2 years ago

Factor by grouping 20i^3-25i^2+4i-5

Mathematics

1 answer:

inna [77]2 years ago

6 0

The answer is (4x-5)(5x^2+1)

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Can anyone help out with these two questions?

nikitadnepr [17]

To find f(3), plug x = 3 in f(x),
∴ f(3) = 3(3)+1 = 9+1 = 10
Therefore, the ordered pair is (3,10)

For second one,
plug x = 10 in f⁻¹(x),

f⁻¹(10) = 10-1/3 = 9/3 = 3

Therefore, the ordered pair is (10,3)

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2 years ago

WILL CHOOSE BRAINLIEST. Choose the best estimate of the width of a human hair.

erma4kov [3.2K]

Answer:

Id say its C!

Because in mm, a human hair on average is 70 mm's thick

Have a wonderfull day :D

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Answer:

$y=3\sqrt{7}\ units$

Step-by-step explanation:

see the attached figure with letters to better understand the problem

we know that

In the right triangle ABD

$tan($

In the right triangle BCD

$tan($

remember that

m< BAD=m<CBD

therefore

$tan($

equate the equations

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2 years ago

Are 4 and 9 relatively prime?

SSSSS [86.1K]

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nbvStep-by-step explanation:

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What is the answer for this question:

Sergio [31]

There are thirty seven seats in total.

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2 years ago