2 years ago

What is the square root of

Mathematics

1 answer:

katrin2010 [14]2 years ago

7 0

Answer:

13.42

Step-by-step explanation:

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lisov135 [29]

Answer:

d. y=-1; x=7

Step-by-step explanation:

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2 years ago

Find the equation of the line in gradient form that passes through the points (3,0) and (-2,4)

Aleksandr-060686 [28]

Answer:

y = (-4/5)x + 12/5

Step-by-step explanation:

Slope = (4-0)/(-2-3) = 4/-5 = -4/5

y = (-4/5)x + c

When x = 3, y = 0

0 = (-4/5)(3) + c

c = 12/5

y = (-4/5)x + 12/5

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3 years ago

Use the diagram to help you solve the problem.

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Step-by-step explanation:

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2 years ago

75% of what number is 42?

Anna35 [415]

75 42
----- -----
100 x

75 x= 4200
--- ------
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3 years ago

Read 2 more answers

Find the inverse function y=-5x+20

Nezavi [6.7K]

Answer:

$y= \frac{-1}{5} x +4$

Step-by-step explanation:

We can find the inverse function of this excercise, isolating X and then changing the variables.

$y=-5x+20\\y-20=-5x\\\frac{y-20}{-5} =x\\$

$\frac{y}{-5}-\frac{20}{-5} = x\\\frac{-1}{5}y+\frac{20}{5} =x\\ \frac{-1}{5}y+4 =x$

And now we change the variables and we get the inverse function:

$y= \frac{-1}{5} x +4$

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2 years ago