4 years ago

I need help I'm not so good with geometry

Mathematics

1 answer:

cricket20 [7]4 years ago

5 0

What's C and A mean?

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3. Write an equation of the line that passes through (-2, 8) and (4,4).

gtnhenbr [62]

$y = - \frac{2}{3} x + \frac{20}{3}$

Step-by-step explanation:

y=mx+c

label your points

(-2;8). pnt2

(4;4). pnt1

$m = \frac{y2 - y1}{x2 - x1}$

$m = \frac{8 - 4}{ - 2 - 4}$

$m = \frac{ 4}{ - 6}$

$m = - \frac{2}{3}$

substitute gradient and 1 point into equation to get c

$8 = ( - \frac{2}{3} )( - 2) + c$

$8 = \frac{4}{3} + c$

$c = 8 - \frac{4}{3}$

$c = \frac{20}{3}$

Therefore the equation is

$y = - \frac{2}{3} x + \frac{20}{3}$

4 0

3 years ago

A cafeteria was putting milk cartons into stacks. They had nine hundred twenty-six cartons and were putting them into stacks wit

mamaluj [8]

Oh oh oh I ig ig itcitcitditduttdchcitcicititc how many stacks could they make idk but I can make 3 bands a week

3 0

3 years ago

Which term of the arthemetic sequence (1, 3, 5, 7) is equal to 141

Dmitry_Shevchenko [17]

Answer:

71th term is 141

Step-by-step explanation:

$a_{1}=1\\\\common \ difference = d = second \ term - first \ term\\\\ = 3 - 1 = 2\\\\a_{n} = 141\\\\a + (n -1)*d = a_{n}$

1 + (n - 1)*2 = 141 {Use distributive property}

1 + 2n - 2 = 141

2n - 1 = 141

2n = 141 + 1

2n = 142

n = 142/2

n = 71

6 0

3 years ago

Read 2 more answers

If you were constructing a TRIANGULAR FRAME, and you had wood in the length of 4inches, 4 inches, and 7 inches, would it make a

klemol [59]

Answer:

Yes

Step-by-step explanation:

In order to make a triangle with non-zero area, the sum of the shorter two sides must be greater than the longest side.

Here, 4 + 4 > 7, so the lengths can form a triangle.

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3 years ago

Write a word pharse to representbthe numerical expression below. 4+(27-10)

Aleksandr-060686 [28]

Twenty seven minus ten plus four

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3 years ago