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Shalnov [3]
3 years ago
12

Please help will make brainliest!

Mathematics
2 answers:
Drupady [299]3 years ago
6 0

Answer:

m = -2

b = -5

Step-by-step explanation:

Rise / Run

and wherever the line hits the y line, thats the y intercept

Margarita [4]3 years ago
5 0

Answer:

m = -2

b = -5

Step-by-step explanation:

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13 weeks is what percent of 52 weeks
Aleonysh [2.5K]
To get a number as a percent of another, you divide and multiply by 100, so here you would have (13/52)*100=.25*100=25, making your answer 25%.
3 0
3 years ago
A $20,000 business computer depreciates at a rate of 15% per year. Which of the following equations would model the value of the
elena-s [515]

Answer:

f(t)=20000(0.85)^t

Step-by-step explanation:

So the initial value of the business computer is $20,000. It depreciates by 15% per year. This is exponential decay. The standard function for exponential decay is:

f(t)=P(r)^t

Where <em>P </em>is the initial value, <em>r</em> is the rate of decay, and <em>t</em> is the time in years.

Since the computer decreases by 15% per year, this means that each year, the computer will be 1-15% or 85% than its previous value.

Therefore, the equation that models the value of the computer is:

f(t)=20000(0.85)^t

4 0
3 years ago
Read 2 more answers
Can someone please help me with the 2 questions below. (they go together)
il63 [147K]

Answer:

r=√(A/π)

r=2.8

Step-by-step explanation:

We want to get (r) alone on one side

A=πr^2

divide each side by π

A/π=r^2

square root each side

√(A/π)=r

r=√(A/π) is the answer to your first question.

now we are given A

r=√((25)/3.14)

put the left side into a calculator

r=2.8216632

round to nearest tenth of a centimeter

r=2.8

6 0
3 years ago
I need help on my math
ehidna [41]
It would be (A) because all the points match the numbers above it
4 0
3 years ago
Divide 30cm into the ratio 2:4
timofeeve [1]
First you add the two parts of the ratio.
2 + 4 = 6

then you divide

30 / 6 = 5

then you multiply into the original ratio

(2 x 5) : (4 x 5)

10 : 20
8 0
3 years ago
Read 2 more answers
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