What is an equation of the line that passes through (0,8) and (4,0)?

Answers

Answer 1

Answer:

Answer: y=-2x+8

Step-by-step explanation:

To find the slope of the line, you would use $(y_(2)-y_(1) )/(x_(2) -x_(1) )$ . With the 2 points we are given , we can plug it into this equation to find the slope.

$(0-8)/(4-0) =(-8)/(4) =-2$

Now we know the slope is -2. To find the y-intercept, we know that the x value is 0. We are given that one of the points is (0,8). That means 8 is our y-intercept.

The final equation we get is y=-2x+8.

Answer 2

Answer:

Answer:

y= -2×+8

Step-by-step explanation:

find m(slope)

y2-y1 over x2-x1

substitute using (0,8) and (4,0)

m=-2

y=mx+b

substitute x and y to find b using either (0,8) or (4,0)

0=-2(4) + b

0= -8 +b

0+8= -8+8 +b

8=b

y=-2x+8

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Glen is looking into buying a piece of land. He estimates that the land measures 100 yd by 850 yd. The land is actually 140 yd by 940 yd. What is the percent error in the estimated area of the land? A. 35.4%
B. 17.7%
C. 64.6%
D. 32.3%

Answers

1) First find the areas:
100 * 850 = 85000
140 * 940 = 131600
2) Find the percent error in the area
percent error = (experimental value - accepted value)/(accepted value) *100
% error = (85000 - 131600)/(131600) * 100 = 35.4%

Themba buys 2 boxes of mayos on opening the boxes he find that an average of 2 are damagef in each box how many mayos altogether are good enough to sell

Answers

We would need to know how many are in each box to figure this out.

Choose the correct product of (2x + 10)2.4x2 − 100
4x2 + 40x + 100
4x2 + 100
4x2 − 40x + 100

Answers

Answer: 4x² + 40x +100

(2x+10)(2x+10)
4x2 + 20x + 20x +100
4x2 + 40x + 100

Answer:

$(2x+10)^2=4x^2+40x+100$

Step-by-step explanation:

Given the expression

$(2x+10)^2$

we have to simplify the above expression.

By identity

$(a+b)^2=a^2+2ab+b^2$

Put a=2x and b=10

$(2x+10)^2=(2x)^2+2(2x)(10)+10^2$

$(2x+10)^2=4x^2+40x+100$

Option B is correct.

Which equation does not have the same solution as the others?x/4 = 2,
x - 9 = 17,
x + 12 = 20,
2x = 16.

Answers

If you would like to know which equation doesn't have the same solution as the others, you can calculate this using the following steps:

x/4 = 2 ... x = 4 * 2 = 8

x - 9 = 17 ... x = 17 + 9 = 26

x + 12 = 20 ... x = 20 - 12 = 8

2 * x = 16 ... x = 16/2 = 8

The correct result would be x - 9 = 17.

$(x)/(4)=2\nMultiply\ by\ 4\ on\ both\ sides.\nx=2*4\n{\boxed{x=8}$

$\n\nx-9=17\nAdd\ 9\ on\ both\ sides.\nx=17+9\n{\boxed{x=26}$

$x+12=20\nSubtract\ 12\ on\ both\ sides.\nx=20-12\n{\boxed{x=8}$

$2x=16\nDivide\ by\ 2\ on\ both\ sides.\nx=(16)/(2)\n{\boxed{x=8}$

$\sf\ The\ only\ equation\ that\ did\ not\ have\ the\ same\ solution\ as\ the\nothers\ was\n {\boxed{x-9=17}$

What are some real world examples of how you can use the skills of proof writing?will give brainlyst have to be right

Answers

You can drive your parents crazy by correcting them when there work email is wrong

You can be paid to check other people’s work

You can always be top of your class

Nan rode the roller coaster 8 times which was twice as many times as she rode the ferris wheel

Answers

I'm assuming that you're looking for the number of times Nan rode the Ferris Wheel. The question says that 8 times is twice as many times as the Ferris Wheel, so you would divide 8 by 2 to get 4. Nan rode the Ferris Wheel 4 times.

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Someone plz help me :(

A system of linear equations is shown below. 2x+4y=103x−y=8 Maria is attempting to prove that by replacing 2x+4y=10 with a different equation it will sometimes produce a new system of equations with the same solution. Maria plans on multiplying 2x+4y=10 by 2 and then adding the results to the equation 3x−y=8 in order to create a new equation. Maria claims that the new equation that she will replace 2x+4y=10 with is 7x+7y=12. Is Maria correct? Why or why not?

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