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vlabodo [156]
3 years ago
11

All of the following points are on the graph y = 3x +1, except...

Mathematics
1 answer:
Alexus [3.1K]3 years ago
7 0
I think it would be E
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A rectangle has a length of 3x + 7 and a width of 2x. If the perimeter of the
Art [367]

Answer:

The length of the rectangle is 31.

Step-by-step explanation:

We have that the length (L) and width (W) are:

L = 3x + 7

W = 2x

The perimeter of the rectangle is given by:

P = 2W + 2L

94 = 2(2x + 3x + 7)

94 = 10x + 14

x = 8

Now, we can calculate the length of the rectangle:

L = 3x + 7 = 3*8 + 7 = 31        

         

Therefore, the length of the rectangle is 31 units.

I hope it helps you!                

7 0
3 years ago
What is the surface area of the figure?
garri49 [273]

Answer:

16

Step-by-step explanation:

I really don't know at all

8 0
3 years ago
Evaluate the expression for d = 3. 2(d +8)= ??
cestrela7 [59]

Answer:

22

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Explain how to find the x-intercept of the graph of y = 4x - 2.
Vlad1618 [11]

There are two ways to do this. The first of which is the algebraic method. Plug in y = 0 and solve for x.

y = 4x - 2

0 = 4x - 2 ... y is replaced with 0

4x-2 = 0

4x-2+2 = 0+2 ... we add 2 to both sides

4x = 2

4x/4 = 2/4 .... divide both sides by 4

x = 1/2

x = 0.5

The x intercept is x = 1/2 or x = 0.5

--------------------------

The other approach is to graph the equation y = 4x-2, and mark where the line crosses through the x axis. You should find it crosses through x = 1/2 or x = 0.5; the x intercept as an ordered pair would be (1/2, 0) or (0.5, 0)

side note: the equation y = 4x-2 goes through the points (0,-2) and (1,2). You find this by plugging in x = 0 and x = 1 respectively to find the corresponding y values.

8 0
3 years ago
6. A house painter mixed 2 gal of white paint for every 8 gal of red paint to make pink paint. Which ratio of white paint to red
Lelu [443]

Answer:

c

Step-by-step explanation:

the ratio is 2/8.

2/8 = 1/4.

a)

8/20 = 2/5 is NOT equal to 1/4.

b)

12/45 = 4/15 is NOT equal to 1/4

c)

6/24 = 1/4 perfect

d)

2/40 = 1/20 is NOT equal to 1/4

5 0
2 years ago
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