Which graph shows the solution of h (x) = 2x^2 - x - 1?

Answers

Answer 1

The solution to the function h(x) = 2x² - x - 1 is given by the graph attached which is a positive quadratic graph.

Understanding Quadratic Graph

A quadratic graph represents a quadratic equation in the form:

   y = ax² + bx + c,

where a, b, and c are constants.

The graph of a quadratic equation is a curve called a parabola.

The general shape of a quadratic graph depends on the value of the coefficient "a." If "a" is positive, the graph opens upward, and if "a" is negative, the graph opens downward.

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Which Graph Shows The Solution Of H (x) = 2x^2 - X - 1?

Related Questions

please please please please answer

Answers

The value of the variable t of the exponential equation [tex]-5\cdot e^{10\cdot t} = - 30[/tex], t = (1 / 10) · ㏑ 6 (EXACT), t = 0.179 (APPROXIMATE).

How to solve an exponential equation

In this problem we need to clear the variable t of an exponential equation with one variable, this can done by means of relationship of exponential and logarithmic functions, logarithm properties and algebra properties.

Now we proceed to present the complete procedure for the solution to the exponential equation:

[tex]-5\cdot e^{10\cdot t} = - 30[/tex]

[tex]e^{10\cdot t} = 6[/tex]

10 · t = ㏑ 6

t = (1 / 10) · ㏑ 6

t = 0.179

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A restaurant makes smoothies in batches of 12.5 litres.
The smoothies are made from ice cream and a mixed fruit
juice in the ratio 3 : 2.
34% of the juice is apple juice.
Work out the maximum number of batches of smoothie that
can be made from 51 litres of apple juice.

Answers

Answer: If 34% of the mixed fruit juice is apple juice, then 66% of it is a combination of other fruit juices. We can assume that the ratio of apple juice to other fruit juices remains the same in the ice cream and mixed fruit juice mixture.

Let the volume of ice cream in each batch be 3x litres and the volume of mixed fruit juice be 2x litres. Then the total volume of mixture in each batch is 5x litres.

If 34% of the mixed fruit juice is apple juice, then the volume of apple juice in each batch is 0.34 × 2x = 0.68x litres. The volume of other fruit juices in each batch is 2x − 0.68x = 1.32x litres.

The ratio of ice cream to mixed fruit juice is 3 : 2, so we have:

3x : 2x = ice cream : mixed fruit juice

Simplifying, we get:

ice cream = 1.5 × mixed fruit juice

Substituting the values we obtained earlier, we have:

3x = 1.5 × 2x

x = 0.75

Therefore, the volume of ice cream in each batch is 3x = 2.25 litres, and the volume of mixed fruit juice is 2x = 1.5 litres.

To make 1.5 litres of mixed fruit juice, we need 0.68 litres of apple juice and 0.82 litres of other fruit juices.

To make 12.5 litres of smoothies, we need 2.25 litres of ice cream and 10.25 litres of mixed fruit juice. Of this, 0.68 litres is apple juice and 9.57 litres is other fruit juices.

Therefore, to make 12.5 litres of smoothies, we need 0.68/1.5 × 12.5 = 5.67 litres of apple juice.

To make 51 litres of apple juice, we can make a maximum of 51/5.67 ≈ 9 batches of smoothies.

Can someone help me? Thank you

Answers

The solution is, the values are, -3, -2, [tex]\left[\begin{array}{ccc}-2&0\\0&-3\\\end{array}\right][/tex], 6.

Here, we have

given that,

the matrices are:

A = [tex]\left[\begin{array}{ccc}-1&0\\0&3\end{array}\right][/tex]

B = [tex]\left[\begin{array}{ccc}2&0\\0&-1\\\end{array}\right][/tex]

now, we have to find the determinant of them

|A| = -1*3 - 0

    = -3

|B| = -1*2 - 0

    = -2

Now, we have to find AB ,

we get,  A×B = [tex]\left[\begin{array}{ccc}-2&0\\0&-3\\\end{array}\right][/tex]

So, we have, the determinant value is :

|AB| = -2 * -3 - 0

      = 6

Hence, The solution is, the values are, -3, -2, [tex]\left[\begin{array}{ccc}-2&0\\0&-3\\\end{array}\right][/tex], 6.

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50 Points! Multiple choice geometry question. Photo attached. Thank you!

Answers

Answer:

6/MN = 8/9

8MN = 54

MN = 6 3/4

The correct answer is B.

Need the answer for first picture!

Answers

The measure of <MNL is (71 - 3x²)/2.

We have,

Far Arc = 59 - 2x²

Near Arc = 12 - x²

Angle = 180- 2x²

Using the Formula

Angle= Average of vertical chords

180 - 2x² = (59 - 2x² + 12 - x²)/2

360 - 4x² = 71 - 3x²

289 = x²

x= 17

So, the measure of <MNL

= (71 - 3x²)/2

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Describe the translation shown using a table of values and an algebraic rule.
Help please

Answers

The algebraic rule for the translation in this problem is given as follows:

(x,y) -> (x + 9, y - 1).

What are the translation rules?

The four translation rules are defined as follows:

Left a units: x -> x - a.Right a units: x -> x + a.Up a units: y -> y + a.Down a units: y -> y - a.

Comparing the equivalent vertices, the translations for this problem are given as follows:

9 units right.1 unit down.

Hence the algebraic rule for the translation in this problem is given as follows:

(x,y) -> (x + 9, y - 1).

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John enclosed his 9 foot square garden. How much fence will he need

Answers

John will need 36 feet of fence to enclose his 9-foot square garden.

How much fence does John needs to enclose the garden?

A sqaure is simply a polygon made up of four equal sides, with all the interior angles measuring 90 degrees.

The perimeter of a square is expressed as:

Perimeter = 4 × side length

Given that, the side length of the square garden is 9 ft.

To calculate the amount of fence John will need to enclose his 9-foot square garden, we need to determine the perimeter of the square.

Perimeter = 4 × side length

Plug in the side length

Perimeter = 4 × 9 ft

Perimeter = 36 feet

Therefore, the perimeter of the garden is 6 feet.

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The parabola y = x^2 is scaled vertically by a factor of 1/10

Answers

The parabola y = x² scaled vertically by a factor of 1/10 gives y = x²/10

Calculating the image of the vertical scale

From the question, we have the following parameters that can be used in our computation:

The parabola y = x² is scaled vertically by a factor of 1/10

The rule of this transformation is

Image = (x, ay)

Where

a = 1/10

So, we have

y = 1/10 * x²

Evaluate

y = x²/10

Hence, the image of the function is y = x²/10

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The mean of a, 31, 42, 65, and b is 51.  The greatest number is 67 more than the least number.  What are the missing numbers? Please explain.

Answers

Answer:

a=25

b=92

Step-by-step explanation:

Because the average of the five numbers is 51, the sum of the five numbers is 255.

a+b+73+65=255

138+a+b=255

a+b=117

a+67=b

Therefore,

a=25

b=92

Feel free to tell me if I made a mistake! :)

Franklin Lyons is married and claims 3 withholding allowances. He gets paid overtime if he works over 40 hours in a week. His gross pay is $958.38. Find the Federal Withholding Tax.

Answers

Based on the assumptions, the estimated Federal Withholding Tax for Franklin Lyons would be approximately $191.68.

Determine Franklin's taxable income:

To calculate the taxable income, we need to subtract any deductions or exemptions from his gross pay. We'll consider his gross pay as the taxable income.

Taxable Income = Gross Pay = $958.38

Estimate the Federal Withholding Tax rate:

The Federal Withholding Tax rate depends on the taxable income and the individual's filing status. Let's assume a general tax rate of 20% for this estimation.

Federal Withholding Tax rate = 20%

Calculate the Federal Withholding Tax:

To find the withholding tax, multiply the taxable income by the tax rate:

Federal Withholding Tax = Taxable Income * Federal Withholding Tax rate

= $958.38 * 0.20

= $191.68

Thus, the answer is $191.68.

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mara works for an electronics store and receives a 6.5% commission on her sales. She also recevies a weekly salary 460. mara's boss asks her to specialize in the sale of flat screen televisions that cost $414 each, which means those are the only items she will sell. write and sole an equation to find the number of televisions, t, she sells in one week if she earns 890.56 for the week

Answers

Answer:

16 tvs

Step-by-step explanation:

Maura's earnings for the week equal her weekly salary (460) plus she earns 6.5% commission x number of flat screens sold x $414.

So: Total Earnings = 460+ 0.065*414*t where t is the number of tvs she has sold.

If total earnings = 890.56, just substitute that above and solve for t.

890.56= 460+ 0.065*414*t

430.56=0.065*414*t

430.56=26.91*t

430.56/26.91 = t

16 = t

She sold 16 tvs to earn 890.56.

Question 4Mple Choice Worth 2 points)
Ares of Polygons and Composite Figures MC)
A composte figure is shown
024413
028.445²
1.15 in
Which of the following represents the total area of the figure?
010 663 ²
034.335 ²
4.6 in.
3h 563
P

Answers

The total area of the composite figure which has triangle and rectangle is  24.41 square inches

The given composite figure has two triangles and one rectangle

Area of rectangle =length × width

=4.6×3.15

=14.49 square inches

Area of left side triangle, it has base of 3.3 in and height 3.15 inches

Area of triangle = 1/2×3.3×3.15

=5.1975 square inches

Area of triangle on right side

Base = 3 in

Height = 6.3-3.15=3.15 in

Area of triangle = 1/2×3×3.15

=4.725 square inches

Total area = 14.49 + 5.1975  + 4.725

=24.41 square inches

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Can someone answer this question?

Answers

The graph represents

[tex]{y \to -\infty}[/tex] as [tex]{x \to \infty}[/tex]

[tex]{y \to \infty}[/tex] as [tex]{x \to -\infty}[/tex]

From the given graph we can see that,

The curve represent cubic function

And we know that such cubic function is of the form

f(x) = y = -(ax³ + bx² + cx + d)

Since,

A function can approach two separate limits: one in which the variable approaches its limit by using values more than the limit, and one in which the variable approaches its limit by using values less than the limit.

Case 1:

Take limit of x approaching to infinity,

[tex]\lim_{n \to \infty} f(x) = y = -\infty[/tex]

Hence,

As x approaches to infinity the  

y approaches to negative  infinity.

Case 2:

Take limit of x approaching to negative of infinity,

Now since degree of function is 3 which is odd

Therefore,

[tex]\lim_{n \to -\infty} f(x) = y = \infty[/tex]

Hence,

As x approaches to negative infinity then  

y  approaches to infinity.

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Question
Which equation describes the pattern shown in the table?

Answers

The equation of the quadratic function is y=x2−4x, the correct option is E

We are given that;

x=-4,-2,1

y=5,-5,0

Now,

The first three rows of the table, we get:

​y=−4 when x=−5y=5 when x=−2y=−3 when x=1​

Substituting into the general form, we get:

​−4=25a−5b+c5=4a−2b+c−3=a+b+c​

Solving this system of equations, we get:

​a=1b=−4c=0​

Therefore, the equation of the quadratic function is y=x2−4x.

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What are the coordinates of the midpoint of a segment with endpoints at (8, 25) and (16, 7)?


CLEAR CHECK

(0, 43)


(8, -18)


(12, 16)


(24, 32)

Answers

Answer:

C) (12, 16)

----------------

Use midpoint equation to find each coordinate:

x = (8 + 16)/2x = 12

and

y = (25 + 7)/2y = 16

So the midpoint is (12, 16).

The surface area of this cylinder is 20,761.68 square yards. What is the height?
Use ≈ 3.14 and round your answer to the nearest hundredth.
29 yd
h=
Submit
h
yards

Answers

The height of the cylinder whose surface area is given would be = 85 yards.

How to calculate the height of a cylinder?

The cylinder is a type of shape that has three sides which consists of two opposite circles that are joined by a curved surface.

To calculate the height of a cylinder, the formula that should be used is given as follows:

Surface area of cylinder = 2πrh + 2πr²

radius = 29 yards

surface area = 20,761.68 square yards

height = ?

That is ;

20,761.68 = 2×3.14× 29×h + 2×3.14× 29×29

20,761.68 =182.12h + 5281.48

182.12h = 20,761.68-5281.48

182.12h = 15480.2

h = 15480.2/182.12

= 85 yards

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NO LINKS!!! URGENT HELP PLEASE!!!!

Solve ΔABC using the Law of Cosines part 1

3. a = 12, b = 13, c = 20

4. A = 78°, b = 18, c = 10

Answers

Answer:

3)  A = 35.2°, B = 38.6°, C = 106.2°

4)  B = 70.4°, C = 31.6°, a = 18.7

Step-by-step explanation:

Question 3

To solve for the remaining angles of the triangle ABC given its side lengths, use the Law of Cosines for finding angles.

[tex]\boxed{\begin{minipage}{7.6 cm}\underline{Law of Cosines (for finding angles)} \\\\$\cos(C)=\dfrac{a^2+b^2-c^2}{2ab}$\\\\\\where:\\ \phantom{ww}$\bullet$ $C$ is the angle. \\ \phantom{ww}$\bullet$ $a$ and $b$ are the sides adjacent the angle. \\ \phantom{ww}$\bullet$ $c$ is the side opposite the angle.\\\end{minipage}}[/tex]

Given sides of triangle ABC:

a = 12b = 13c = 20

Substitute the values of a, b and c into the Law of Cosines formula and solve for angle C:

[tex]\implies \cos(C)=\dfrac{a^2+b^2-c^2}{2ab}[/tex]

[tex]\implies \cos(C)=\dfrac{12^2+13^2-20^2}{2(12)(13)}[/tex]

[tex]\implies \cos(C)=\dfrac{-87}{312}[/tex]

[tex]\implies \cos(C)=-\dfrac{29}{104}[/tex]

[tex]\implies C=\cos^{-1}\left(-\dfrac{29}{104}\right)[/tex]

[tex]\implies C=106.191351...^{\circ}[/tex]

To find the measure of angle B, swap b and c in the formula, and change C for B:

[tex]\implies \cos(B)=\dfrac{a^2+c^2-b^2}{2ac}[/tex]

[tex]\implies \cos(B)=\dfrac{12^2+20^2-13^2}{2(12)(20)}[/tex]

[tex]\implies \cos(B)=\dfrac{375}{480}[/tex]

[tex]\implies B=\cos^{-1}\left(\dfrac{375}{480}\right)[/tex]

[tex]\implies B=38.6248438...^{\circ}[/tex]

To find the measure of angle A, swap a and c in the formula, and change C for A:

[tex]\implies \cos(A)=\dfrac{c^2+b^2-a^2}{2cb}[/tex]

[tex]\implies \cos(A)=\dfrac{20^2+13^2-12^2}{2(20)(13)}[/tex]

[tex]\implies \cos(A)=\dfrac{425}{520}[/tex]

[tex]\implies A=\cos^{-1}\left(\dfrac{425}{520}\right)[/tex]

[tex]\implies A=35.1838154...^{\circ}[/tex]

Therefore, the measures of the angles of triangle ABC with sides a = 12, b = 13 and c = 20 are:

A = 35.2°B = 38.6°C = 106.2°

[tex]\hrulefill[/tex]

Question 4

Given values of triangle ABC:

A = 78°b = 18c = 10

First, find the measure of side a using the Law of Cosines for finding sides.

[tex]\boxed{\begin{minipage}{6 cm}\underline{Law of Cosines (for finding sides)} \\\\$c^2=a^2+b^2-2ab \cos (C)$\\\\where:\\ \phantom{ww}$\bullet$ $a, b$ and $c$ are the sides.\\ \phantom{ww}$\bullet$ $C$ is the angle opposite side $c$. \\\end{minipage}}[/tex]

As the given angle is A, change C for A in the formula and swap a and c:

[tex]\implies a^2=c^2+b^2-2cb \cos (A)[/tex]

Substitute the given values and solve for a:

[tex]\implies a^2=10^2+18^2-2(10)(18) \cos (78^{\circ})[/tex]

[tex]\implies a^2=424-360\cos (78^{\circ})[/tex]

[tex]\implies a=\sqrt{424-360\cos (78^{\circ})}[/tex]

[tex]\implies a=18.6856038...[/tex]

Now we have the measures of all three sides of the triangle, we can use the Law of Cosines for finding angles to find the measures of angles B and C.

To find the measure of angle C, substitute the values of a, b and c into the formula:

[tex]\implies \cos(C)=\dfrac{a^2+b^2-c^2}{2ab}[/tex]

[tex]\implies \cos(C)=\dfrac{(18.6856038...)^2+18^2-10^2}{2(18.6856038...)(18)}[/tex]

[tex]\implies \cos(C)=0.852040063...[/tex]

[tex]\implies C=31.565743...^{\circ}[/tex]

To find the measure of angle B, swap b and c in the formula, and change C for B:

[tex]\implies \cos(B)=\dfrac{a^2+c^2-b^2}{2ac}[/tex]

[tex]\implies \cos(B)=\dfrac{(18.6856038...)^2+10^2-18^2}{2(18.6856038...)(10)}[/tex]

[tex]\implies \cos{B}=0.334888270...[/tex]

[tex]\implies B=\cos^{-1}(0.334888270...)[/tex]

[tex]\implies B=70.434256...^{\circ}[/tex]

Therefore, the remaining side and angles for triangle ABC are:

B = 70.4°C = 31.6°a = 18.7

Find the area under the standard normal distribution curve between z=0 and z=0.31

Answers

Using the z-score values given, the area under the standard normal distribution curve is 0.123 squared units

What is the area under standard normal distribution curve

The total area under the standard normal distribution curve is 1. Therefore, if we have a z-score, i.e., how far a value is above or below the mean, we can determine the probability of a value less than or greater than that.

The points are

z₁ = 0z₂ = 0.31

A = z₂ - z₁

z₂ = 0.6230

z₁ = 0.5000

A = 0.6230 - 0.5000

A = 0.123 squared units

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Suppose a new postoperative procedure is administered to a number of patients in a large hospital. The researcher can ask the question, Do the doctors feel differently about this procedure from the nurses, or do they feel basically the same way? Note that the question is not whether they prefer the procedure but whether there is a difference of opinion between the two groups.
To answer this question, a researcher selects a sample of nurses and doctors and tabulates
the data in table form, as shown. Use a significance level of 5%.

Answers

To determine whether there is a difference of opinion between doctors and nurses regarding a new postoperative procedure, the researcher conducted a survey and tabulated the data in a table form. The next step is to analyze the data using statistical methods and a significance level of 5%.

To begin the analysis, the researcher can use a statistical test such as the chi-square test for independence. This test will examine whether there is a significant association between the opinions of doctors and nurses regarding the procedure.

The chi-square test will compare the observed frequencies in each category (e.g., doctors who feel differently, doctors who feel the same, nurses who feel differently, nurses who feel the same) with the frequencies that would be expected if there was no association between the profession and opinion.

If the calculated chi-square value exceeds the critical value at a significance level of 5%, it suggests that there is a significant difference in opinion between the two groups.

The researcher should calculate the chi-square value, degrees of freedom, and compare it to the critical value from the chi-square distribution table.

If the calculated chi-square value exceeds the critical value, the researcher can conclude that there is a significant difference of opinion between doctors and nurses regarding the postoperative procedure.

It is important to note that statistical significance does not imply practical significance. Even if there is a significant difference, the magnitude of the difference should be considered in the context of the study.

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What is the difference of the polynomials?

Answers

The difference of the two polynomials is [tex]2x^3 + 2x[/tex]. Therefore option no 2 is correct from the image given.

A polynomial is a mathematical expression along with variables and coefficients, combined using only addition, subtraction, multiplication, & non-negative integer exponents.

To discover the distinction of those two polynomials, we want to carry out polynomial subtraction.

[tex]{x^4+x^3+x^2+x} - {x^4-x^3-x^2-x}[/tex]

[tex]= x^4 + x^three + x^2 + x - x^4 + x^3 + x^2 + x ([/tex] distribute the negative sign to every term inside the 2nd set of brackets)

[tex]= 2x^3 + 2x[/tex] (integrate like terms)

Therefore, the difference of the two polynomials is [tex]2x^3 + 2x.[/tex]

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Answer: A  7x2+3y2-4x

Step-by-step explanation:

what’s is the surface area of this rectangular prism?

Answers

Answer:

220 in²

Step-by-step explanation:

surface area = [area of the 4 vertical faces] + area of the base + area of top.

surface area = [2(4 X 10) + 2(5 X 10)] + (4 X 5) + (4 X 5)

= (80 + 100) + 20 +  20

= 220 in²

50 Points! Multiple choice geometry question. Photo attached. Thank you!

Answers

The value of x is 9.

Given,

Trapezoid with two bases and median.

base 1 = 44

base 2 = 2x + 10

median = 36

Now,

In trapezoid two bases will be parallel to each other.

Median = 1/2(sum of two bases)

From the formula of median the value of x will be,

Median = 1/2( base 1 + base 2 )

Substitute the values,

36 = 1/2( 44 + 2x + 10 )

72 = 54 + 2x

x = 9

Hence both the bases of trapezoid are obtained.

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Can you solve the hcf of 20and 10

Answers

The HCF (highest common factor) of 20 and 10 is 10.

To determine the 20 and 10's highest common factor (HCF).

We must identify the highest number that can divide both 20 and 10 without producing a remainder in order to determine the HCF.

1, 2, 4, 5, 10, and 20 are the variables that make up 20.

1, 2, 5, and 10 make up the number 10.

The biggest element that both 20 and 10 have as a shared component is 10.

The HCF of 20 and 10 is hence 10.

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100 Points! Geometry question. Photo attached. Please show as much work as possible. Thank you!

Answers

A graph of the image of polygon DGF after a dilation centered at the origin with a scale factor of 1.5 is shown below.

What is a dilation?

In Geometry, a dilation is a type of transformation which typically changes the dimension (size) or side lengths of a geometric figure, but not its shape.

This ultimately implies that, the side lengths of the dilated geometric figure would be enlarged or reduced based on the scale factor applied.

In this scenario an exercise, we would dilate the coordinates of the polygon by applying a scale factor of 1.5 that is centered at the origin as follows:

D (-2, 0) → (-2 × 1.5, 0 × 1.5) = D' (-3, 0).

G (0, 2) → (0 × 1.5, 2 × 1.5) = G' (0, 3).

F (2, -2) → (2 × 1.5, -2 × 1.5) = F' (3, -3).

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The radius of a circle is 17 centimeters. What is the circle's circumference?

Answers

Answer:

The circle's circumference is approximately 106.81 centimeters.

Explanation:

The formula for the circumference of a circle is C = 2πr, where C is the circumference, π is pi (approximately 3.14), and r is the radius of the circle.

So, for a circle with a radius of 17 centimeters, its circumference can be found by:

C = 2πr

C = 2 x 3.14 x 17

C ≈ 106.81 cm

Therefore, the circumference of the circle is approximately 106.81 centimeters.

Graph this line using the slope and y-intercept:
y = 4x - 10

Answers

Answer:

-10

Step-by-step explanation:

The required y-intercept of the line y = 4x - 10 is -10.

What is the intercept in the equation?

In the equation, the intercept is the value of the linear function where either of the variables is zero.

Here,

The equation y = 4x - 10 is in slope-intercept form, where the coefficient of x is the slope of the line, and the constant term is the y-intercept.

So, the y-intercept of the line y = 4x - 10 is -10. This means that the line intersects the y-axis at the point (0,-10). When x is 0, the value of y is -10, which is the y-intercept.

Thus, the required y-intercept of the line y = 4x - 10 is -10.

If an engine has a 16:7 propeller gear ratio, what is the RPM of the propeller when the engine is turning at 2,400 RPM?

Answers

Answer:

Step-by-step explanation:

76 RPMs

What is the value of x?

Answers

Answer:

x = 9

Step-by-step explanation:

6/(x - 1) = 21/(3x + 1)

21(x - 1) = 6(3x + 1)

21x - 21 = 18x + 6

3x = 27

x = 9

Answer:

Step-by-step explanation:

To find the value of x, bring the variable to the left side and bring all the remaining values to the right side. Simplify the values to find the result.

This helped me when i was learning to solve for x

please help i don’t feel like typing

Answers

Answer: q=13

Step-by-step explanation:

add the separate the q, add 4 to the 9= 13

13=q

{NEEDED A.S.A.P.} What is the surface area of the square pyramid represented by the net?




Enter your answer in the box.


[25 Point Reward.]

Answers

Answer:

4(1/2)(3)(5) + (3^2) = 30 + 9 = 39 ft^2

Other Questions
which view of global business suggests that the success and failure of firms are largely determined by their environments? Use a power series to approximate the value of the integral with an error of less than0.0001. (Round your answer to five decimal places.)I=x ln(x+1)dx. a theoretical perspective in which different abilities, characteristics, type of cognitive processes, and so forth are theorized to be represented in separate components in memory. What military developments supported the growth of imperialism?submarines and airplanesnew technology and the mass production of weaponscreative new strategies and tacticsthe opening of military leadership to people from conquered nations As compared to individual therapy, group therapy is ___________________.-more likely to provide social support to clients -less expensive to provide-at least as effective-All of the these. Given the following empty-stack PDA with start state 0 and starting stack symbol X. (0, a, X, push(x), 0)(0, b, X, pop, 1)(1, b, X, pop, 1). Transform the PDA to a context-free grammar by using the algorithm in the text. Firstly, list all the productions generated by the algorithm. Then, simplify the resulting grammar. strong acids and bases completely dissociate in water. use the table in the introduction to classify the following chemical compounds as strong acids, weak acids, strong bases, and weak bases. The bond dissociation energy of the OO bond is 495 kJ/mol. Which for which of the reactions shown below is AH 495 kJ/ mol? 0_0 . : 0 : Using the average bond energies from your textbook (Table 8.5), what is the approximate change in enthalpy for the following unbalanced reaction? H-C=C-H(g) + O2(g) CO2(g) + H2O(g) An= 777 kJ + KJ Using the average bond energies from your textbook (Table 8.5), estimate the enthalpy of formation for nitric acid (HNO.). KJ The Lewis symbol of a selenium atom has unpaired electrons and 2 paired electrons. Answer with integers (e.g. 2). unpaired electrons and The Lewis symbol of the selenide ion has paired electrons. Answer with integers (eg. 2). unpaired electrons and The Lewis symbol of the iron(III) ion has paired electrons. Answer with integers (e.g. 2). hardy and weinberg imagined that all of the alleles for all the loci in a population in each generation were present in a single group called the Let C be the boundary-curve of a 5 x 3 rectangle in the sy-plane, equipped with the counterclockwise orientation. Let F(x,y) = (2y - en *)i +9aj. Use Green's theorem to compute fF.dr. you put a mass of 400 g on string. string is 50 cm long and weights 12.5 g what distance between advacent nodes you pexpect for a frequency of 100 hz 4. Which one is an imperative sentence?a) Tell him that you like him.c) Where were you last night?chopb) I have to clean my room.d) We won the game! Please hurry!!! (I JUST NEED THE DATA DRAWINGS AND THE DIAGRAM DRAWINGS)Model a low-gradient, low-velocity stream. Read the scenario. You are on a research trip to observe pronghorn in the prairie grasslands of Colorado. As you observe a herd grazing next to a nearby stream, you notice storm clouds moving in overhead and feel rain beginning to fall. How does the stream act right now upon the objects in it?Analyze the scenario and characterize the slope of the stream, the amount of rainfall, and the terrain of the area. If all your descriptions are correct, proceed to step f. If your descriptions are not all correct, analyze the scenario again and correct your descriptions. Click on the "Check" button. Do this step until all descriptions are correct. Then proceed to step f. Observe what happens to the sand and pebbles in the stream. When ready, press the "Pause" button and write your observations in the space below Low-Gradient, Low-Velocity Stream in the Data section of this guide. Draw what you see in Table A. Proceed to the next activity. Model a low-gradient, high-velocity stream. Read the scenario. As you continue to observe the pronghorn herd, the rainfall gradually increases until it is falling at a steady pace, causing the stream to flow more quickly. How does the stream act right now upon the objects in it?Analyze the scenario and characterize the slope of the stream, the amount of rainfall, and the terrain of the area. If all your descriptions are correct, proceed to step f. Observe what happens to the sand and pebbles in the stream. Compare the erosion of sediment in this scenario and the erosion of sediment in the Low-Gradient, Low-Velocity Stream scenario. When ready, press the "Pause" button and write your observations in the space below Low-Gradient, High-Velocity Stream in the Data section of this guide. Draw what you see in Table B in the Data section of this guide. Proceed to the next activity. Model a high-gradient, low-velocity stream. Read the scenario. You make a second research trip to observe pronghorn in the Colorado Rockies. You are next to a steadily flowing river, observing a local herd, when you start to feel raindrops fall from overhead. How does the river act right now upon the objects in it?Analyze the scenario and characterize the slope of the stream, the amount of rainfall, and the terrain of the area. If all your descriptions are correct, proceed to step f. Observe what happens to the sand, pebbles, and rocks in the stream. Compare the erosion of sediment in this scenario and the erosion of sediment in the Low-Gradient, Low-Velocity Stream scenario. write your observations in the space below High-Gradient, Low-Velocity Stream in the Data section of this guide. Draw what you see in Table in the Data section of this guide. Model a high-gradient, high-velocity stream. Read the scenario. As you continue to observe the pronghorn herd, the storm overhead gradually grows and the rainfall becomes a steady flow, increasing the speed of the river. How does the river act right now upon the objects in it?Analyze the scenario and characterize the slope of the stream, the amount of rainfall, and the terrain of the area. On the left panel, choose the description for each parameter that would correctly model the scenario. If all your descriptions are correct, proceed to step f. Observe what happens to the sand, pebbles, and rocks in the stream. Compare the erosion of sediment in this scenario and the erosion of sediment in the High-Gradient, Low-Velocity Stream scenario. Draw what you see in Table D in the Data section of this guide. Model a low-gradient, high-volume stream. Read the scenario. You make a third and final research trip to observe pronghorn in the flatlands. While making your observations, you are caught in a downpour. You hurry away from the nearby river to seek shelter. What will happen to the flow of water in the river, and how will the river act upon the objects in it? Analyze the scenario and characterize the slope of the stream, the amount of rainfall, and the terrain of the area. On the left panel, choose the description for each parameter that would correctly model the scenario. If all your descriptions are correct, proceed to step f. If your descriptions are not all correct, analyze the scenario again and correct your descriptions. Click on the "Check" button. Do this step until all descriptions are correct. Then proceed to step f. Observe what happens to the sand, pebbles, and rocks in the stream. Compare the erosion of sediment in this scenario and the erosion of sediment in the Low-Gradient, Low-Velocity Stream scenario. Draw what you see in Table E in the Data section of this guide what is the lighting demand load (before derating) for a house with outside dimensions of 30 ft x 48 ft on the first floor and 22 ft x 42 ft on the second floor During American ImperialismWhat were the major arguments in favor of adopting a policy of expansion? the only trophic group that receives nutrients and energy directly from all other trophic groups is typically, the most important elections on a states political calendar are 2. in a contract, should sole discretion clauses be enforced if the party with the discretion behaves unreasonably? should everyone have an obligation to behave reasonably? La siguiente grfica muestra las calificaciones de un grupo de 40 alumnos que van desde el mnimo 7 hasta el mximo 10 de calificacin. Cuntos alumnos sacaron 9? How much work is done in holding a 26 N child, while waiting in line for the Mean Streak roller coaster at Cedar Point for 35 minutes? *3 points910 J. 74 J0 J1. 35 J