Freshman Algebra help please anyone (just the answer no explanation)

Mathematics

1 answer:

Vikki [24]3 years ago

8 0

The answer is D. The slope is 5 and (2, 4) is on the line.

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Can someone help me with this math problem please

inysia [295]

Answer:

A is 0.2, B is 0.34, C is 63.02, and D is 91.16

Step-by-step explanation:

For A: 2 divided by 10, For B: 34 divided by 100, For C: 2 divided by 100 and added it to 63, and for D I did 16 divided by 100 and added it to 91.

3 0

3 years ago

Find the area of the figure. Assume the figure is made up of triangles.

grigory [225]

S = 2*(1/2 * 7 * 14) + 2* (1/2 * 7 * 7) = 7*14 + 7*7 = 7*(14+7) = 7*21 = 147 sm^2

Number B

5 0

3 years ago

What is the equation of this line in standard form? 8x−7y=−25 8x−9y=23 8x−9y=−23 9x−8y=23 Number graph ranging from negative fiv

Gnoma [55]

Answer:

The equation of line is:

$8x-9y=-23$

Step-by-step explanation:

We are given that a graph is a that passes through two points:

$(-4,-1)$ and $(\dfrac{1}{2},3)$

We know that the equation of line passing through two points:

$(a,b)$ and $(c,d)$ is given by:

$y-b=\dfrac{d-b}{b-a}\times (x-a)$

Here we have:

$(a,b)=(-4,-1)$ and $(c,d)=(\dfrac{1}{2},3)$

Hence, the equation of line is:

$y-(-1)=\dfrac{3-(-1)}{\dfrac{1}{2}-(-4)}\times (x-(-4))\\\\y+1=\dfrac{3+1}{\dfrac{1}{2}+4}\times (x+4)\\\\y+1=\dfrac{4}{\dfrac{9}{2}}\times (x+4)\\\\y+1=\dfrac{4\times 2}{9}\times (x+4)\\\\y+1=\dfrac{8}{9}\times (x+4)\\\\9\times (y+1)=8\times (x+4)\\\\9y+9=8x+8\times 4\\\\9y+9=8x+32\\\\8x-9y=9-32\\\\8x-9y=-23$