The slope of the given equation y = -5x is -5.
The equation y = -5x is a linear equation, which means that it is a function that can be represented in the form y = mx + b, where m is the slope and b is the y-intercept. The slope of a linear equation is the coefficient of x in the equation. In this case, the coefficient of x is -5, so the slope of the equation is -5.
It's worth noting that the slope represents the rate of change of the y-coordinate with respect to the x-coordinate, in other words, the steepness of the line. A slope of -5 means that for each unit increase in the x-coordinate, the y-coordinate will decrease by 5 units.
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The complete question is -
What is the slope of y = -5x?
Type the correct answer in each box.
Compete the statement about these similar cylinders.
Using proportions to find the radius of figure 2, we have that:
The circumference of the base of figure 2 is of [tex]4\pi[/tex] inches.The area of the base of figure 2 is of [tex]4\pi[/tex] square inches.What is a proportion?A proportion is a fraction of a total amount, and the measures are related using a rule of three. Due to this, relations between variables, either direct or inverse proportional, can be built to find the desired measures in the problem.
The rule of three to find the radius of figure 2 is given as follows:
[tex]\frac{5}{9} = \frac{r}{4.5}[/tex]
Applying cross multiplication:
9r = 4 x 4.5
r = 4 x 4.5/9
r = 2 in
What is the circumference of a circle?
The circumference of a circle of radius r is given by:
[tex]C = 2\pi r[/tex]
In this problem, we have that r = 2 inches, hence:
[tex]C = 2\pi \times 2 = 4\pi[/tex]
What is the area of a circle?The area of a circle of radius r is given by pi multiplied by the radius squared, as follows:
[tex]A = \pi r^2[/tex]
Hence:
[tex]A = 4\pi[/tex]
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Answer: First one is 5, Second is 6.25
Step-by-step explanation: Correct on Edmentum/Plato
---------------------
Answer:-----------
Step-by-step explanation:------------------
Answer:
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Step-by-step explanation:
Please tell the question so i can answer it
Anna has 3/4 the money Victor has. Victor has 18$ less than Kim they have 386.4 together how much do they each have
Solving a system of equations we can see that:
Anna has $100.47Victor has $133.96Kim has $151.96How to find how much money each one has?
First, let's define the variables:
A = money that Anna has.V = money that Victor has.K = money that Kim has.With the given information we can write 3 equations:
A = (3/4)*V
V = K - $18
A + V + K = $386.4
Then we need to solve a system of equations:
A = (3/4)*V
V = K - $18
A + V + K = $386.4
We can first replace the first equation into the third to get:
(3/4)*V + V + K = $386.4
And rewrite the second to get:
k = V + $18
And replace that in the other equation:
(3/4)*V + V + V + $18 = $386.4
Now we can solve this for V:
V*(1 + 1 + 3/4) = $386.4 - $18
V*(11/4) = $368.40
V = (4/11)*$368.40 = $133.96
Now that we know the value of V, we can replace it in:
K = V + $18 = $133.96 + $18 = $151.96
A = (3/4)*V = (3/4)*$133.96 = $100.47
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you generate electricity with your own personal wind turbine? That depends on whether you have enough wind on your site. To produce enough energy, your site should have an annual average wind speed of at least 8 miles per
ding to the Wind Energy Association. One candidate site was monitored for a year, with wind speeds recorded every 6 hours. A total of 1114 readings of wind speed averaged 8.019 mph with a standard deviation of 3.813 mph. Youl
I asked to make a statistical report to help the landowner decide whether to place a wind turbine at this site. Complete parts a and b below.
The 95% confidence interval of the statistics is (7.795, 8.243).
How to illustrate the information?Based on the information given, the 95% confidence interval will be:
= 8.019 + (1.962 × 3.183/✓1114)
= 8.243 and
= 8.019 - (1.962 × 3.183/✓1114)
= 7.795
In conclusion, the 95% confidence interval of the statistics is (7.795, 8.243).
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please and a girl out, and if you can explain how you got the answer so i can undertsnad myself
Answer:
9cm
Step-by-step explanation:
If the triangles are similar then their lengths are in a ratio to each other, Ex: PR is 3 times LN, 2*3 = 6cm
This gives us a ratio of 1:3
PQ = LM*3 = 3cm*3 = 9cm
determine which two of the three given triangles are similar. Find the scale factor for the pair.
WILL MAKE BRAINLIEST!!Determine if the two triangles are congruent if they are state the postulate or theorem that provides they are congruent
Answer:
Yes they are congruent by SSS criterionStep-by-step explanation:
AC=DC. (Given in figure)
AB=BD. (Given in figure
BC=BC. (Common)
that means triangle BAC is congruent to triangle BDC by SSS criterion.
A company’s cost, in dollars, of manufacturing x tablet computers can be represented by 20x + 200. The company’s predicted revenue of selling x tablet computers is 100 + 30x. Write a polynomial expression that represents the profit of selling x tablets. Simplify as much as possible (profit = revenue – cost)
The polynomial expression that represents the profit of selling x tablets is 10x - 100
PolynomialTotal cost = 20x + 200Predicted revenue = 100 + 30xprofit = revenue – cost
= (100 + 30x) - (20x + 200)
= 100 + 30x - 20x - 200
Profit = 10x - 100
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Ая
Hola
مهم
Warm Up
What is the exact distance between the points (4,-2) and (-6,4)?
Select the correct answer.
O 4√10
O2√34
O2√26
O 10√6
Submit
The distance between two points (4,-2) and (-6,4) exists [tex]2\sqrt{34}.[/tex]
How to estimate the distance between two points?Distance between two points exists the length of the line segment that joins the two given points. Distance between two points in coordinate geometry can be estimated by finding the length of the line segment merging the provided coordinates.
Let the points be (4,-2) and (-6,4).
The distance between two points [tex](x_{1} ,y_{1})[/tex] and [tex](x_{2} , y_{2} )[/tex] exists provided by the distance between the two points
[tex]= $\sqrt\\(x_{2} -x_{1} )^{2} +(y_{2} -y_{1})^{2}[/tex]
substituting the points in the equation, we get
[tex]$=\sqrt\\(-6-(4)^{2} +(4-(-2)^{2}[/tex]
simplifying the equation, we get
[tex]$=\sqrt{136}[/tex]
[tex]$=2\sqrt{34}[/tex]
The distance between two points (4,-2) and (-6,4) exists [tex]2\sqrt{34}.[/tex]
Therefore, the correct answer is option c. [tex]$2\sqrt{34}.[/tex]
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a bag of apples and oranges contains twice as many apples as oranges. if there are 15 total pieces of fruit in the bag how many apples are in the bag
Considering the definition of an equation and the way to solve it, there are 10 apples in the bag.
Definition of equationAn equation is the equality existing between two algebraic expressions connected through the equals sign in which one or more unknown values, called unknowns, appear in addition to certain known data.
The members of an equation are each of the expressions that appear on both sides of the equal sign while the terms of an equation are the addends that form the members of an equation.
The solution of a equation means determining the value that satisfies it. In this way, by changing the unknown to the solution, the equality must be true.
To solve an equation, keep in mind:
When a value that is adding, when passing to the other member of the equation, it will subtract.If a value you are subtracting goes to the other side of the equation by adding.When a value you are dividing goes to another side of the equation, it will multiply whatever is on the other side.If a value is multiplying it passes to the other side of the equation, it will pass by dividing everything on the other side.Amount of apples in the bagBeing "or" the number of oranges in the bag, and knowing that:
A bag of apples and oranges contains twice as many apples as oranges.There are 15 total pieces of fruit in the bag.the equation in this case is:
or + apples= 15
or + 2or= 15
Solving:
3or= 15
or= 15 ÷ 3
or= 5
As a bag of apples and oranges contains twice as many apples as oranges, then 2or= 2×5= 10 apples
Finally, there are 10 apples in the bag.
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How many five-letter words (technically, we should call them strings, because we do not care if they make sense) can be formed using the letters A, B, C,
Total number of five letter strings formed by A,B,C and D with repetitions allowed
={4x4x4x4x4 = 4 power 5 = 1024
Now, fix BAD in a string at one place then we have 2 more places to be filled with 4 letters, total number of such strings
=4x4=16
Here, BAD can be at any of the 3 positions,
Hence the total number of strings with BAD in it
= 3 x 16=48
Now, The total number of strings not containing BAD
=1024-48
=976
Using 26 letters, the number of 5-letter words that can be formed when the letters are different is determined as follows: 26P5 = 26 × 25 × 24 × 23 × 22 = 7883600 different words.
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3. classify each as nominal-level, ordinal-level, interval level, or ratio-level measurement. a. pages in the city of cleveland telephone book. (1 mark) b. rankings of tennis players. (1 mark) c. weights of air conditioners. (1 mark) d. temperatures inside 10 refrigerators. (1 mark) e. salaries of the top five ceos in the united states. (1 mark) f. ratings of eight local plays (poor, fair, good, excellent). (1 mark) g. times required for mechanics to do a tune-up. (1 mark) h. ages of students in a classroom. (1 mark)
Q1
Nominal - D
Ordinal- B, G
Ratio - A, C, E, F
Q2
Quantitative- A, C, D, G
Qualitative -B, E, F, G
Q3
Simple Random - A, C
Systematic Sample - B
Nominal measures are the most accurate and meaningless, as they only show the "characteristics" or "identities" that we are interested in. In other words, in a nominal variable, a number just gives the attribute a unique "name". In this case, the number is just a label.
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A magazine provided results from a poll of adults who were asked to identify their favorite pie. Among the ​respondents, ​% chose chocolate​ pie, and the margin of error was given as percentage points. Describe what is meant by the statement that​ "the margin of error was given as percentage​ points."
The statement indicates that the interval 12%±5% is likely to contain the true population percentage of people that prefer chocolate pie.
According to the statement
we have a given that the Among the 1000 respondents,
12% chose chocolate pie, and the margin of error was given as
±5 percentage points.
and we have to explain the statement that the margin of error was given as ±5 percentage points.
We know that the interval is a set of real numbers that contains all real numbers lying between any two numbers of the set.
And this statements also indicates the interval between the like and unlike respondents of chocolate pie.
So, this statement indicates that the interval 12%±5% is likely to contain the true population percentage of people that prefer chocolate pie.
So, The statement indicates that the interval 12%±5% is likely to contain the true population percentage of people that prefer chocolate pie.
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Zoe is packaging a gift to send in the mail. A smaller gift box is placed inside a similar yet larger packaging box. The empty space inside the packaging box is filled with tissue paper to keep the gift box from moving. The dimensions of the larger box are each 2.1 times longer than the corresponding dimensions of the smaller box. The volume of the smaller box is 24 cubic centimeters. What is the volume of the space filled with tissue paper in the packaging box? 81.84 cubic centimeters 105.84 cubic centimeters 198.264 cubic centimeters 222.264 cubic centimeters
The volume of the space filled with tissue paper in the packaging box is 198.264 cubic centimeters
VolumeVolume if small, Vs = 24 cubic inchesConstant = k
= 2.1³
= 9.261
Volume of large : volume of small = k
Vl / Vs = k
Vl = Vs × k
= 24 × 9.261
= 222.264 cubic inches
Therefore,
Volume of tissue paper = volume of large - volume of small
= 222.264 cubic inches - 24 cubic inches
= 198.261 cubic inches
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Which function describes this graph?
[tex]f(x) = (x + 3)(x + 6) \\ f(x) = x {}^{2} + 6x + 3x + 18 \\ f(x) = x {}^{2} + 9x + 18[/tex]
Option CAnswer:
C.) y = x² + 9x + 18
Step-by-step explanation:
C.) is correct because the function has the accurate x-intercepts. X-intercepts are the x-values in which the line passes through the x-axis. We can prove this by setting the function equal to 0, factoring, then solving for "x". You can factor the function by asking yourself the question, "which two numbers multiply to 18 and add to 9?"
y = x² + 9x + 18 <----- Original function
0 = x² + 9x + 18 <----- Set the function equal to 0
0 = (x + 6)(x + 3) <----- Factor
0 = x + 6 0 = x + 3
-6 = x -3 = x
So, at (-3, 0) and (-6, 0), the function crosses the x-axis. This matches the given graph.
Which is the graph of linear inequality 6x+2y>-10?
Answer:
we have
6x+2y > -106x+2y>−10
Isolate the variable y
Subtract 6x6x both sides
2y > -6x-102y>−6x−10
Divide by 22 both sides
y > -3x-5y>−3x−5
The equation of the line of this inequality is
y=-3x-5y=−3x−5
The slope is negative and is equal to m=-3m=−3
The y-intercept is the point (0,-5)(0,−5) ----> value of y when the value of x is equal to zero
The x-intercept is the point (-5/3,0)(−5/3,0) ----> value of x when the value of y is equal to zero
The solution of the inequality is the shaded area above the dotted line
Using a graphing tool
see the attached figure
Parallel cousins are found in the iroquois system of kinship and are defined as:________
Parallel cousins are found in the iroquois system of kinship and are defined as bifurcate merging.
Parallel cousins, or the offspring of one's mother's or father's brothers or sisters, were frequently referred to and regarded in the same way as one's siblings. Contrarily, cross-cousins, or the offspring of one's mother's brothers or father's sisters, were frequently regarded as the best source of children.
Bifurcate merging is the underlying idea of the Iroquois system. The ego divides his family into those on his mother's side and those on his father's side (bifurcation) and combines his father with his brother (A) and his mother with her sister (B) .
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Total area=
Help me please thanks so much
The total area of the regular pentagon prism is 485 square units
How to determine the surface area?The given parameters are:
Base area = 50
Height = 11
Base = 7
Start by calculating the total area of the 5 sides using
Sides = n * Height * Base
Sides = 5 * 11 * 7
Sides = 385
The total surface area is
Total = 2 * Base area + Sides
This gives
Total = 2 * 50 + 385
Evaluate
Total = 485
Hence, the total area of the regular pentagon prism is 485 square units
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Take some time to fill in your notes, the area that is not shown in this video. Fill in the table with the values you think are the x-values and the y-values, write them as ordered pairs, then write them as a ratio in y/x form. In the table, which are the y-values and which are the x-values [Time(s) or Heartbeat(s)]?
The x-values are the heartbeat(s) and the y-values are the time(s)
How to determine the x and y values?The variables are given as:
Time(s) and Heartbeat(s)
As a general rule, the action that is being done is the independent variable.
The action here is the heartbeat.
So, the x-values are the heartbeat(s) and the y-values are the time(s)
A possible value of this is;
x = 100, y = 60 seconds
So, the ordered pair is (100,60)
When represented as ratio, we have;
Ratio = 60/100
Simplify
Ratio = 0.6 heartbeat per second
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A recent article claims that the state of Illinois has low tuition rates for its colleges and universities. Cate decides to research the cost of tuition for different colleges in Illinois. The average tuition in Illinois is $28,950 with a standard deviation of $3,470. Which type of inference test should Cate use
One sample Z Test is used by cate.
According to the statement
The average tuition in Illinois is $28,950 with a standard deviation of $3,470.
Assuming we have a large enough sample, since we are testing one group's mean relative to a hypothesized value, this would be a one-sample z-test.
So, One sample Z Test is used by cate.
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if there are 30 items to vote on in the local election, 240 people will choose to vote. For every batch of 3 items added to the ballot, 10 fewer people will vote. If all people who vote cast votes on every item, how many items should be placed on the ballot to maximize the total number of votes cast on all items
2 items should be placed on the ballot to maximize the total number of votes cast on all items.
According to the statement
items on which people vote = 30
people who will vote = 240
batch containing items = 3
number of batches formed = 10
now we find the number of items placed on ballot to maximize the number of votes.
we find the average number by each items got the vote.
Average = items in batch / total votes
Average = 3/240
but if we add 2 items in the ballot then average become half.
So, 2 items should be placed on the ballot to maximize the total number of votes cast on all items.
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Find the volume of a pyramid with a square base, where the perimeter of the base is 4.1 m and the height of the is pyramid 3.6 m. Round your answer to the nearest tenth of a cubic meter.
I will mark brainlest
Answer:
Volume = 1.3m³Step-by-step explanation:
The height of the pyramid (h) = 3.6m
The perimeter of the base = 4.1m
Volume of a pyramid = ?
Formula:-
[tex]\boxed{\sf Volume =\cfrac{1}{3} \: a^2h}[/tex]
So,
Perimeter = 4a
[tex]\sf 4.1=4a[/tex]
[tex]\sf a=1.025[/tex]
Now, let's put the value of a in the formula:-
[tex]\sf V=\cfrac{1}{3} \:(1.025)^{2} (3.6)[/tex]
[tex]\sf 1.26075m^2[/tex]
[tex]\sf \thickapprox 1.3m^3[/tex]
Therefore, the volume of the pyramid is 1.3m³.
What’s 98 divided by 82 + 283 multiplied by 69 - 29
The solution to the given expression [98/(82 + 283)] * (69 - 29) is; 784/73
How to solve simple arithmetic operations?
We want to solve the expression;
[98/(82 + 283)] * (69 - 29)
Let us first simplify the first part which is;
98/(82 + 283) = 98/365
Then let us simplify the second part which is;
69 - 29 = 40
Thus, we have the expression;
(98/365) * 40
This can be simplified further to get;
(98/73) * 8 = 784/73
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A new Outdoor Recreation Center is being built in Hadleyville. The perimeter of the rectangular playing field is 318 yards. The length of the field is 5 yards less than
triple the width. What are the dimensions of the playing field?
yards.
Answer:
41 yards by 118 yards
Step-by-step explanation:
Let W and L be the Width and Length of the playing field:
The perimeter, P, would be P = 2W + 2L
We are told that P = 318 yards.
We learn that L = 3W - 5
Combining this information, we can say:
P = 2W + 2L [Oriinal equation]
318 = 2W + 2L [P is 318]
318 = 2W + 2(3W-5) [ Use the definition of L = 3W - 5]
318 = 2W + 6W - 10
328 = 8W
W = 41 yards
Use this value of W to find L:
L = 3W - 5
L = 3(41) - 5
L = 123 - 5
L = 118
CHECK
Does 2*(118) + 2*(41) = 318? YES
Is the length 5 yards less than triple the width?
3*(41) - 5 = 118 YES
write 1/c + 1/d - c-d/cd as a single fraction in its simplest form
imagine the cd/cd as 1 which is a whole number. then, add the denominators (d+c-cd)/cd
Which system of equations below has no solution? y = 4x 5 and y = 4x – 5 y = 4x 5 and 2y = 8x 10 y = 4x 5 and y = one-fourthx 5 y = 4x 5 and y = 8x 10
Y=4x+5 and y=4x-5 has no solution
What are Linear Equations in two Variables?
The formula for a two-variable linear equation is Ax + By + C = 0, where A and B are the coefficients, C is a constant term, and x and y are the two variables, each with a degree of 1. A linear equation with two variables, for instance, is 7x + 9y + 4 = 0. These two linear equations are referred to be simultaneous linear equations if we take them into consideration.
Steps
[tex]Y=4x+5\\ Y=4x-5[/tex]
Substitute y=4x+5
[tex][4x+5=4x-5][/tex]
Refine [tex][4x+5=4x-5][/tex]
-10=0
-10=0 is a false ,therefore the system of a equation have no solution
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Which expression would be easier to simplify if you used the commutative property to change the order of the numbers?
A. 1/7 + (-1)+ 2/7
B. - 15+(-25) +43
C. 120+80+(-65)
D. 40+10+(-12)
The order of the numbers which satisfies commutative property exists 1/7 + (-1)+ 2/7.
What is meant by commutative property?
The commutative property exists a math rule that states that the order in which we multiply numbers does not change the product. The commutative property uses for addition and multiplication. The property states that phrases can “commute,” or transfer locations, and the outcome will not be affected. This exists described as a + b = b + a for addition, and a × b = b × a for multiplication.
Arranging the order of the numbers the fractions
[tex]$& \frac{1}{7}+(-1)+\frac{2}{7} \\[/tex]
[tex]$=& \frac{1}{7}+\frac{2}{7}+(-1) \\[/tex]
Simplifying the equation, we get
[tex]$= \frac{1}{7}+(-1) \\[/tex]
[tex]$&=\frac{4}{7}[/tex]
Therefore, the correct answer is option A. 1/7 + (-1)+ 2/7
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Jamie is ordering cupcakes for an office party. The top three flavors are chocolate/chocolate (x), strawberry/vanilla (y), and peanut butter/chocolate (z). 18 total cupcakes are purchased for $55.75. The chocolate/chocolate are $3 each, the strawberry/vanilla are $2.75 each, and the peanut butter/chocolate are $3.50 each. There are twice as many chocolate/chocolate cupcakes purchased as peanut butter/chocolate cupcakes. How many of each type of cupcake did Jamie purchase
Jamie purchases 4 chocolate (3.57), 7 strawberry/vanilla, and 7 peanut butter cupcakes for an office party.
How to write the given information as an expression or an equation?The steps involved are:
Observe the given data and notice the variable termsUse operators like multiplication or fraction if it consists of terms like twice or thrice or one fourth etc.Use the operators like addition or subtraction (more or less/greater or smaller) in between those variablesSolve those equations for the required values.Calculation:Given that,
Jamie is ordering cupcakes for an office party.
There are three flavors - Chocolate, Strawberry/vanilla, and peanut flavors.
Jamie purchased a total of 18 cupcakes for $55.75
The cost for a single cupcake of each flavor is as follows:
Chocolate - $3
Strawberry - $2.75
Peanut - $3.50
Consider the number of cupcakes of each flavor as x, y, and z respectively.
So, the equations we can write from this data are,
x + y + z = 18 and
3x + 2.75y + 3. 50z = 55.75
But it is given that,
There are twice as many chocolate cupcakes purchased as peanut butter cupcakes.
So, z = 2x
Then the above two equations become,
3x + y = 18 and
10x + 2.75y = 55.75
By solving these two equations we get,
x = 3.57 ≅ 4
y = 7.28 ≅ 7
Since we know that z = 2x,
⇒ z = 2 × 3.57 = 7.14 ≅ 7
So,
There are 4 chocolate, 7 strawberry, and 7 peanut cupcakes.
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Find the data set that places 22.6 as an outlier.
2.4, 5.3, 3.5, 22.6, 1.8, 2.1, 4.6, 1.9
13.6, 31.7, 25.8, 22.6, 18.9, 21.6, 30.5
20.5, 20.8, 21.6, 22.6, 23.7, 24.5, 25.1
22.6, 21.5, 23.7, 22.6, 28.9, 22.6, 20.9
The data-set that places 22.6 as an outlier is given as follows:
2.4, 5.3, 3.5, 22.6, 1.8, 2.1, 4.6, 1.9
When a measure is considered an outlier in a data-set?A measure is considered an outlier in a data-set if it is very far from other measures, especially in these two cases:
If the measure is considerably less than the second smallest value.If the measure is considerably more than the second highest value.In this problem, he data-set that places 22.6 as an outlier is given as follows:
2.4, 5.3, 3.5, 22.6, 1.8, 2.1, 4.6, 1.9.
The second highest value is 5.3, which is considerably less than 22.6, hence 22.6 is an outlier in the data-set.
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Which is a solution for the following system of inequalities?
(7x+2y >3
(x-2y <2
The solution for the system of linear inequalities 7x+2y > 3 and x-2y < 2 are x = 5/8 and y = -11/16
What are linear inequalities?Linear inequalities are inequalities that have constant average rates of change, slope or gradient
How to determine the solution to the system of inequalities?A system of linear inequalities is a collection of at least two linear inequalities.
In this case, the system of linear inequalities is given as
7x+2y > 3
x-2y < 2
Rewrite the inequalities as equations
7x+2y = 3
x-2y = 2
Make x the subject in the second equation, by adding 2y to both sides of the equation
x - 2y +2y = 2 + 2y
This gives
x = 2 + 2y
Substitute x = 2 + 2y in 7x+2y = 3
7(2 + 2y) +2y = 3
Expand the brackets
14 + 14y + 2y = 3
Evaluate the like terms
16y = -11
Divide both sides by 16
y = -11/16
Substitute y = -11/16 in x = 2 + 2y
x = 2 - 2 * 11/16
Evaluate the product
x = 2 - 11/8
Evaluate the difference
x = 5/8
Hence, the solution for the system of linear inequalities 7x+2y > 3 and x-2y < 2 are x = 5/8 and y = -11/16
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