Answer:
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Answer:
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Step-by-step explanation:
asdbujvygadsoufyudgasoufgaedoyCan someone answer this for me
The equation of the line in standard form is 6x - 7y = - 11
How to represent linear equation in standard form?The standard form for linear equations in two variables is Ax + By = C.
Therefore, using (-3, -1)(1 / 2, 2)
y = mx + b
where
m = slopeb = y-interceptHence,
m = 2 + 1 / 1 /2 + 3 = 6 / 7
Hence,
-1 = 6 / 7(-3) + b
- 1 = - 18 / 7 + b
-1 + 18 / 7 = b
b = -7 + 18/ 7
b = 11 / 7
Therefore,
y = 6 / 7 x + 11 / 7
Using the standard form,
6 / 7 x - y = - 11 / 7
6x - 7y = - 11
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The linear equation in standard form is:
6x - 7y = -11
Which is the last option.
How to get the equation of the line?
The line in slope-intercept form is written as:
y = a*x + b
We can see that the line passes through the points (-3, -1) and (1/2, 2), then the slope is:
[tex]a = \frac{2 - (-1)}{1/2 - (-3)} = \frac{3}{3.5} = \frac{6}{7}[/tex]
Then we can write:
y = (6/7)*x + b
To find the value of b, we use the first point. It means that when x = -3, the value of y is -1, then we get:
-1 = (6/7)*-3 + b
-1 + 18/7 = b
-7/7 + 18/7 = b
11/7 = b
Then the equation is:
y = (6/7)*x + 11/7
If we multiply both sides by 7 we get:
7y = 6x + 11
Now we move the term with "x" to the left:
7y - 6x = 11
That is the line in standard form.
If we multiply both sides by -1, we get the last option:
6x - 7y = -11
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You are ordering shirts for a club at your school. The function f(x) = 8x + 12 represents the cost of
ordered a shirts. How much would it cost to buy 32 shirts?
The cost of buying 32 shirts according to the function given is $268.
Given that the function f(x) = 8x + 12 represents the cost of ordered a shirt.
We need to find the cost to buy 32 shirts.
To find out how much it would cost to buy 32 shirts, you can use the given function f(x) = 8x + 12, where 'x' represents the number of shirts and 'f(x)' represents the cost of ordering 'x' shirts.
Let's plug in x = 32 into the function:
f(32) = 8 × 32 + 12
f(32) = 256 + 12
f(32) = 268
So, it would cost $268 to buy 32 shirts.
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Measure the angle in degrees.
Answer:
Angle is measured in degrees (°) and radians. It is formed between the two adjacent sides of a polygon. Every polygon has different sides and different numbers of angles. The formula to find the angles in degrees is useful in geometry and trigonometry. It is essential to understand other concepts of mathematics, such as arc, a central angle of the circle, etc.
A full circle = 360°
A straight line = 180°
A semicircle= 180°
A Quarter circle = 90°
exampleGiven: Hypotenuse = 12
Perpendicular = 6
The trigonometry function to calculate the angle is given by:
sinA = 6/12
A = 30°
Lionel sold at $10.70 each and 15 pens at $2.10 each during a sale. Janet sold the same number of balls at $11.20 each and 15 pens at $1.90each. They collected the same amount of money. How many ball did each of them sell?
solve and graph 2cos(2x) = x radians
The solutions of the equation 2cos(2x) = x are (0.626, 0.626), (-1.607,-1.607) and (-1.798,-1.798)
How to solve the equation?The equation is given as:
2cos(2x) = x
Split the equation as follows:
y = 2cos(2x)
y = x
Next, we plot the graph of y = 2cos(2x) and y = x (see attachment)
From the attached graph, y = 2cos(2x) and y = x intersect at the following points
(x, y) = (0.626, 0.626), (-1.607,-1.607) and (-1.798,-1.798)
Hence, the solutions of the equation 2cos(2x) = x are (0.626, 0.626), (-1.607,-1.607) and (-1.798,-1.798)
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A farmer finds there is a linear relationship between the number of bean stalks, n , she plants and the yield, y , each plant produces. When she plants 30 stalks, each plant yields 30 oz of beans. When she plants 33 stalks, each plant produces 29 oz of beans. Find a linear relationship in the form y=mn+b that gives the yield when n stalks are planted.
The equation y = -0.5x +45 represent the linear relationship.
According to the statement
We have given that the When she plants 30 stalks, each plant yields 30 oz of beans and When she plants 33 stalks, each plant produces 29 oz of beans.
And we have to find the linear relationship between the plants which are stalks.
So, For this purpose,
When we consider this graph as a straight line, the two points lying on the line would be
(30, 30) and (34, 28) taking n as horizontal and y vertical
Using two point equation we find that
the equation of the line is
y-y1 / y2-y1 = x-x1 / x2-x1
Substitute the points as x =n and put the other values in it then
y-30 / 28-30 = x-30 / 34-30
Then
y = -0.5x +45
This represent the relationship.
So, The equation y = -0.5x +45 represent the linear relationship.
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pls help giving all my points!! Find the probability of “landing” in the shaded region of the figures below. Round your answer to the nearest hundredth.
Big circle r = 25 cm
Small circle r = 8 cm
The probability of landing on the shaded region of the figure is 0.10
How to find the probability of landing on the shaded region?The probability of landing on the shaded region can be calculated as follows;
area of the bigger circle = πr² = 3.14 × 25² = 1962.5 cm²
area of the smaller region = πr² = 3.14 × 8² = 200.96 cm²
Therefore,
the probability of landing on the shaded region of the figure = 200.96 / 1962.5
the probability of landing on the shaded region of the figure = 0.10
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Use the chart to find the constant of variation
As k₁ = k₂ = k₃, the table represents a linear relation whose constant of variation is - 4.
Does the table represent a linear relation?
A table between two variables represents a linear relation if and only if every pair of values (x, y) have the same constant:
k = y/x (1)
Now we proceed to check the existence of the constant of variation:
k₁ = 8/(- 2) = - 4
k₂ = (- 16)/4 = - 4
k₃ = (- 36)/9 = - 4
As k₁ = k₂ = k₃, the table represents a linear relation whose constant of variation is - 4.
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The diagram is supposed to be used for both question 7 and 8. WORTH 30 POINTS.
7. D. Arc JK = 124°
8. Applying the angle of intersecting chords theorem, m∠1 = 115°.
What is the Angle of Intersecting Chords Theorem?The angle of intersecting chords theorem states that the angle (∠1) formed by two chords in a circle, equals half of the sum of the intercepted arcs (arcs ML and JK).
Arc JMK = 2(118) = 236° [inscribed angle theorem]
Arc JK = 360 - arc JMK = 360 - 236
Arc JK = 124°
Arc ML = 236 - 70 - 60 = 106°.
m∠1 = 1/2(arc JK + arc ML)
m∠1 = 1/2(124 + 106)
m∠1 = 115°.
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i need help with number 70
The volume of the rectangular prism is of 28.6875 mm³.
What is the volume of a rectangular prism?
The volume of rectangular prism of length l, width w and height h is given by:
V = lwh.
For this problem, the dimensions are:
2(1/8)mm = 2 + 1/8 = 2.125 mm.6(3/4)mm = 6 + 3/4 = 6.75 mm.2 mm.Hence the volume is:
V = 2.125 x 6.75 x 2 = 28.6875 mm³.
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What is the equation of the line that passes through the point (6,-3) and has an undefined slope?
Answer:
x=6
Step-by-step explanation:
This is a vertical line going through (6,0). If you take this point and the point given and calculate the slope you find the change in y over the change in x.
0-(-3)/6-6 The slope is undefined because the denominator of the slope would be zero.
Find the difference: -2-6
100 POINTS
Construct a horizontal line that passes through the intersection of lines AC and BC at point C. Add a vertical line segment connecting the horizontal line to line AC called FG and another vertical line connecting the horizontal line to line BC called DE.
Complete the proof.
LOOK AT IMAGE PLEASE
The blanks are as follows:
Angle addition postulateSubtraction property of equalityCorresponding sides of similar triangles are proportionalMultiplication property of equalityWhat is the question of the translated function, g(x), if f(x)=x^2
-Dear lord help
The graph of the parabola g(x) is (x+2)^2 + 3
Translation of functionGiven the following parent function of the parabola expressed as;
f(x) = x^2
The function g(x) shows a horizontal translation to the left by 2 units and vertical translation up by 3 units to have the equation;
g(x) = (x+2)^2 + 3
Hence the graph of the parabola g(x) is (x+2)^2 + 3
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Create a line that is parallel to and passes through point C. You can use the tools available in GeoGebra to create parallel lines for this construction. Take a screenshot of your results, and paste it below.
reate a line that is parallel to and passes through point C. You can use the tools available in GeoGebra to create parallel lines for this construction. Take a screenshot of your results, and paste it below.
Create a line that is parallel to AB and passes through point C. You can use the tools available in GeoGebra to create parallel lines for this construction. Take a screenshot of your results, and paste it below.
The attached line is a parallel line that goes through C and parallel to AB
What are parallel lines?Parallel lines are lines on the same plane that have the same slope, they do not intersect even when they are extended indefinitely
How to create the parallel lines?From the question, we have the following points and line:
Line ABPoint CThe following steps would create the parallel line that goes through C and parallel to AB
Draw a line from point C to touch the line segment AB at anywhereMark a point anywhere on the line drawn from point C such that the line is short. Call this point KCreate a circle that has a radius F KMark the intersection of the circle and the initial lineCreate another circleMark the intersection of the circle and the line ABCreate another circleConnect the endpoints of the linesSee attachment for the parallel line that goes through C and parallel to AB
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(-2) * n * (8) * n * (-n)
Answer:
16[tex]n^{3}[/tex]
Step-by-step explanation:
we evaluate from left side to right side
so -2*n =-2n
-2n *8 = -16n
-16n * n =-16n^2
-16 n * -n =16 n^3
hope this helps
Zoya asked the students of her class their baseball scores and recorded the scores in the table shown below:
Baseball Scores
Score Number of Students
0 1
1 2
2 5
3 3
4 6
5 7
6 9
Based on the table, what is the mean baseball score?
2.5
2.9
3.5
4.1
Option D, 4.1 is the correct answer. The mean baseball score is 4.1 given the table of values of baseball scores and score number of students. This can be obtained by using the formula for mean.
Calculate mean for the data:Mean can be obtained by the formula,
Mean = [tex]\frac{sum\ of\ observations}{total\ number\ of\ observations}[/tex]
Sum of basketball scores = 0×1 + 1×2 + 2×5 + 3×3 + 4×6 + 5×7 + 6×9
= 0 + 2 + 10 + 9 + 24 + 35 + 54
total number of basketball scores = 1 + 2 + 5 + 3 + 6 + 7 + 9 = 33
Mean = [tex]\frac{0+2+10+9+24+35+54}{33}[/tex] = 4.06 ≈ 4.1
Hence the mean baseball score is 4.1 given the table of values of baseball scores and score number of students. Option D, 4.1 is the correct answer.
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Part 2 - Find the error(s) and solve the problem correctly. Explain your corrections. Solve: 2cos x = 4 cos x sin 2 x Answer: 2cos x = 4 cos x sin 2 x 2cos x = 4 cos x sin ( 2 x 2 cos x in common onboth sides) 1 = sin 2 x The only place sin x = 1 is where the angle is . π 2 x = π
Answer:
l dont know l am not studying it sorry
Answer:
hey what was the answer?
Step-by-step explanation:
I need help im going to failllll!!!!!!
Blue Ocean Realty Co. pays weekly salaries of $33,300 for a six-day workweek (Monday through Saturday).
126.8 is 63 2/5% of what?
Answer:
200
Explanation:
126.8 x 100
126.8/63.4 = 200
The function h(x) = 2|x] is a transformation of the absolute value parent
function, f(x) = |xl. Which graph shows h(x)?
The graph is shown in the attached image.
AHAISNSHKWSN HELP PLEASEEE
Answer:
best answer is c. (2,3),(4,4),(6,5),(8,6)
Step-by-step explanation:
multiply x and y components 2*3,4*4,6*5,8*6
I need to find the area for this shape I’ve tried several different ways and still no answer please help
Answer:
c) 212 sq ft
Step-by-step explanation:
I don't know which ways you tried, but I will show you three different ways, and the answer will be the same using all three ways.
1) The length of the upper horizontal side is 8 ft + 12 ft = 20 ft
Think of a rectangle 20 ft by 16 ft with a rectangle 12 ft by 9 ft missing at the lower right corner.
area = 20 ft × 16 ft - 12 ft × 9 ft
area = 320 ft² - 108 ft²
area = 212 ft²
2) Break up the shape into an upper horizontal rectangle 20 ft long by (16 ft - 9 ft) = 7 ft wide and a lower left rectangle 9 ft high and 8 ft wide.
area = 20 ft × 7 ft + 9 ft × 8 ft
area = 140 ft² + 72 ft²
area = 212 ft²
3) Break up the shape into an left vertical rectangle 16 ft high by 8 ft wide and an upper right rectangle 7 ft high and 12 ft wide.
area = 16 ft × 8 ft + 7 ft × 12 ft
area = 128 ft² + 84 ft²
area = 212 ft²
Answer: c) 212 sq ft
Answer:
Step-by-step explanation:
espero ter ajudado
Identify all rays and lines in the picture below.
The rays and lines in the picture are as follows;
rays: BD, AC and AB
lines: AC
What are rays and lines?A ray is a part of a line that has one endpoint and goes on infinitely in only one direction.
A ray is named using its endpoint first, and then any other point on the ray
A line segment has two endpoints.
Therefore, the rays and lines are as follows:
rays: BD, AC and AB
lines: AC
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A person draws a card from a hat. Each card is one color, with the following
probabilities of being drawn: 1/25 for blue, 1/15 for yellow, 1/10 for green, and
1/20 for white. What is the probability of pulling a green or yellow card, written
as a reduced fraction?
FU
Answer:
1/6
Step-by-step explanation:
1/15 yellow, 1/10 green, and 1/20 white
1/15 + 1/10 is the probability for yellow or green.
2/30 + 3/30 = 5/30 = 1/6
Brainliest, please :)
Represent the following situation using Venn diagrams and answer the questions that follow. In a survey of 100 students in the institute language studies at oxford university, the number of students studying various languages in last four years were found to be : Italian 28, German 30,French 42,Italian and French 10, Italian and German 8, German and French 5, all the three languages 3. (1 point each) a. Venn diagram. b. How many students are studying none of the languages? c. How many students had French as their only language? d. How many students are studying at least one of the languages?
There are 80 students studying at least one language
The Venn DiagramThe given parameters are:
Italian = 28German = 30French = 42Italian and French = 10Italian and German = 8German and French = 5Three languages = 3Using the above parameters, we have:
German and French only = 5 - 3 = 2
Italian and French only = 10 - 3 = 7
Italian and German only = 8 - 3 = 5
French only = 42 - 7 - 2 - 3 = 30
German only = 30 - 2 - 5 - 3 = 20
Italian only = 28 - 7 - 5 - 3 = 13
See attachment for the Venn diagram
Students studying none of the languagesThis is calculated as:
None + At least one = Total
Using the Venn diagram, we have:
None + (3 + 2 + 5 + 7 + 13 + 20 + 30) = 100
This gives
None + 80 = 100
Subtract 80 from both sides
None = 20
Hence, there are 20 students studying none of the languages
Students studying French onlyThis is calculated as
French only = French - French and Italian - French and German + All three
So, we have:
French only = 42 - 10 - 5 + 3
Evaluate
French only = 30
Hence, there are 30 students studying French only
Students studying at least oneIn (b), we have:
None + At least one = Total ⇒ None + (3 + 2 + 5 + 7 + 13 + 20 + 30) = 100
By comparing both equations, we have
At least one = 3 + 2 + 5 + 7 + 13 + 20 + 30
This gives
At least one = 80
Hence, there are 80 students studying at least one language
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When given -5(x + 4) = 90 and trying to prove that x = -18, what should be placed in line A of the two-column proof? Statement Reason 1. -5(x + 4) = 90 1. Given 2. -5x − 20 = 90 2. _____A______ 3. _______B________ 3. Addition Property of Equality 4. x = -22 4. ____C_______ Subtraction Property of Equality Distributive Property
The 4 reasons for the Algebra proof are respectively;
Given; Distributive property; Addition Property; Division Property
How to use algebra properties?We want to use algebra properties to find the value of x in the expression; -5(x + 4) = 90
Statement 1; -5(x + 4) = 90
Reason 1; Given
Statement 2; -5x - 20 = 90
Reason 2; Distributive property of Algebra because we distributed -5 into the bracket terms.
Statement 3; -5x = 110
Reason 3; Addition property of equality because we added 20 to both sides to achieve that.
Statement 4; x = -22
Reason 4; Division property of equality because we divided both sides by -5 to obtain x = -22.
Thus, the 4 reasons are respectively;
Given; Distributive property; Addition Property; Division Property
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m(t)=120e−0.018t
How much mass remains after 50 years? Round to 2 decimal places.
The mass that would remain after 50 years is 48. 79 kilograms
How to determine the amountIt is important to note that half - life is the time it takes for amount of a substance to reduce to half of its initial value.
Given the equation
m(t)=120e−0.018t
Where
m(t) is the amount = unknown
t = time = 50 years
[tex]m(t) = 120e^0^.^0^1^8^t[/tex]
Substitute the value into the equation
[tex]m(t) = 120e^0^.^0^1^8^(^5^0^)[/tex]
[tex]m(t) = 120e^-^0^.^9[/tex]
Find the exponential value
[tex]m(t) = 48.788399[/tex]
m(t) = 48. 79 kilograms in 2 decimal places
Thus, the mass that would remain after 50 years is 48. 79 kilograms
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-102/119 in standard form
Answer:-8.5714285714 × 10-1
Step-by-step explanation:
-101/119=-0.85714285714
remember Any number that we can write as a decimal number, between 1.0 and 10.0, multiplied by a power of 10, is said to be in standard form.
so -0.85714285714 in standard form is -8.5714285714 × 10-1
What is the lateral surface area of the cone?
A cone with diameter 18 centimeters, height of 12 centimeters, and slant height of 15 centimeters.
L A = pi r l
108 pi centimeters squared
135 pi centimeters squared
180 pi centimeters squared
270 pi centimeters squared
Answer:
135 pi centimeters squared
Step-by-step explanation:
Hello!
where la is lateral surface area
[tex]first \: the \: formula \: for \: the \: lateral \: surface \: are \: of \: cone \: is \\ la = \pi \times r \times l \\ where \: r = radius \\ l = slant \: height \\ therefore.first \: find \: the \: radius(r) = \frac{d}{2} \\ r = \frac{18cm}{2} = 9cm \\ so \: as \: we \: have \: the \: radius \: we \: can \: solve \: for \: the \: la \\ la = \pi \times r \times l \\ la = \pi \times (9cm) \times (15cm) \\ la = 135\pi \: cm {}^{2} [/tex]