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3 years ago

What’s the answer to this?

Mathematics

1 answer:

Rus_ich [418]3 years ago

5 0

Answer:

y = -1/2x + 1

Step-by-step explanation:

Using the slope formula: y = (y2 - y1)/(x2 - x1), we can determine that the slope is -1/2. There is only one answer with the slope of -1/2, but to check that it's right, we can plug in one of the points to see that y = -1/2x + 1 works.

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Solve for x round to the nearest tenth. Show steps!

Dvinal [7]

Answer:

$\large\boxed{x\approx56.44}$

$\large\text{It's close to 55.0}$

Step-by-step explanation:

$\tan12^o\approx0.2126\\\\\tan12^o=\dfrac{12}{x}\to\dfrac{12}{x}=0.2126\qquad\text{convert the decimal to the fraction}\\\\\dfrac{12}{x}=\dfrac{2126}{10000}\qquad\text{cross multiply}\\\\2126x=120000\qquad\text{divide both sides by 2126}\\\\x=\dfrac{120000}{2126}\\\\x\approx56.44$

8 0

3 years ago

Easy question :)

bulgar [2K]

C. because 2.25 X 3 = 6.75 and 6.75 X 3 is 20.25

3 0

3 years ago

Work out the mean for the data set below: 5, 3, 3, 6, 2, 5, 2, 4, 7 Give your answer as a fraction in its simplest form.

olga nikolaevna [1]

Answer:

4 1/9

Step-by-step explanation:

Add all of them together. you get 37. Then divide them by how many numbers. You get 4.111 repeating. I then just turned that into a fraction and got 4 1/9

3 0

2 years ago

Use the Distributive Property to solve the equation. 2x−4(x−3)=−8+5x-8

andrew11 [14]

Answer:

x = 4

Step-by-step explanation:

Distributive Property: a(b + c) = (a*b) + (a*c)

2x - 4(x - 3) = -8 + 5x - 8

2x + x * (-4) - 3*(-4) = -8 + 5x - 8

2x - 4x + 12 = -8 + 5x - 8

2x - 4x - 5x + 12 = -8 - 8

-7x + 12 = -16

-7x = -16 -12

-7x = -28

x = -28/-7

x = 4

7 0

2 years ago

Read 2 more answers

The square root of -108 minus the square root of -3

Lady_Fox [76]

square root(-108) - square root(-3) =8.66025404 i

6 0

2 years ago