2 years ago

Help whoever gets answer right gets brainliest and 20 pts

1 answer:

7 0

Solution: The first one, third one, and last one

Step by step solution:
Not much to explain other than the initial value is when x=0 so just find the ways to find the y for when x=0

Hope that helps :)

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The figure is made up of a semicircle and a triangle. Find the perimeter. Round your answer to the nearest hundredth.

grandymaker [24]

I think your answer is 56

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3 years ago

Simplify the rational expression. State any restrictions on the variable.

AveGali [126]

Answer:

The last choice.

Step-by-step explanation:

$\dfrac{k^2-k-2}{k^2-4k-5}=\dfrac{(k+1)(k-2)}{(k+1)(k-5)}=\dfrac{k-2}{k-5}$

The value of k must be restricted from being one that makes the original denominator zero. Hence k ≠ -1 or 5.

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3 years ago

Find the value of q such that qx^2 -5qx-3 divided by x +2 has a remainder of 4.

Thepotemich [5.8K]

Answer:

Step-by-step explanation:

(qx^2-5qx-3)÷(x+2) gives remainder 14q-3

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3 years ago

I NEED HELP PLEASE, THANKS! :)

maxonik [38]

Answer:

Assume that Sk is valid for n=k and prove that Sn is valid for n= k+ 1

Step-by-step explanation:

This is Principle of Mathematical Induction ---PMI

Step 1: Verify that Sn is valid for n =1

Step 2:Assume that Sk is valid for n=k and prove that Sn is valid for n= k+ 1

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3 years ago

The half-life of a radioactive kind of rhythium is 1 year. If you start with 64 grams of it, how much will be left after 3 years

finlep [7]

Answer:

Step-by-step explanation:

64×0.5³ = 8 grams

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3 years ago