2 years ago

Factor the expression completely. 40x^2+70 40x 2 +70

Mathematics

1 answer:

bogdanovich [222]2 years ago

8 0

Answer:

Are you sure you wrote it right?

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SimplIfy [(-49)÷7]÷(-7)]

Marysya12 [62]

Answer:

I think the answer is 1

Step-by-step explanation:

-49÷7=-7

-7÷-7=1

4 0

3 years ago

Find the slope of the line passing through the points (2,-9) and )1,-3)

nignag [31]

Hi there!

$\large\boxed{\text{slope =} 6}$

We can calculate slope using the following formula:

$slope = \frac{y_{2}-y_{1}}{x_{2}-x_{1}}$

Plug in the corresponding points:

$slope = \frac{-9-(-3)}{2-1}$

Simplify:

$slope = \frac{-6}{1} = -6$

3 0

2 years ago

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The ratio of juniors to seniors in history class is 4 to 5. How many seniors are in the class if there are 12 juniors in the cla

pashok25 [27]

Answer:

Step-by-step explanation:

4/5 4*3 is 12 5*3 is 15

8 0

3 years ago

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Question 12 Multiple Choice Worth 1 points)

Alex777 [14]

Answer:

96?

Step-by-step explanation:

I just did 32 times 3 and got 96, it might not be right but it's what I got with what I did

3 0

2 years ago

What is the equation for the line that passes through the points (-2,1) and (1,-11)

givi [52]

Answer:

y=4x+7

Step-by-step

(-2,1) and (1,-11)

1)Rule you should use is run over rise aka slope

y²-y^1=

x^2-x^1=

(-11)-1=12

1-(-2)=3

12/3=4

slope =4

2)Rule of point slope intercept

y - y1 = m(x - x1)

y+1=4(x+2)

y+1=4x+8

-1 -1

y=4x+7

8 0

2 years ago