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Alika [10]
3 years ago
15

Please help

Mathematics
1 answer:
Shkiper50 [21]3 years ago
8 0

Answer:

Polynomials are always closed under multiplication. Unlike with addition and subtraction, both the coefficients and exponents can change. The variables and coefficients will automatically fit in a polynomial. When there are exponents in a multiplication problem, they are added, so they will also fit in a polynomial.

Step-by-step explanation:

watch this on youtude

Polynomial Operations and the Closure Property (A-APR.1)

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Yeah The Answer Would Be A=299
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Solve for &lt;1.<br> &lt;1<br> &lt;1 = [?]<br> &lt;2<br> &lt;4=123°<br> 57°
aleksandr82 [10.1K]

Answer:

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Step-by-step explanation:

Step 1, solve for angle 2

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3 years ago
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In 2018, the population will grow over 700,000.The population of a city in 2010 was 450,000 and was growing at a rate of 5% per
Firlakuza [10]

Answer:

The year is 2020.

Step-by-step explanation:

Let the number of years passed since 2010 to reach population more than 7000000 be 'x'.

Given:

Initial population is, P_0=450,000

Growth rate is, r=5\%=0.05

Final population is, P=700,000

A population growth is an exponential growth and is modeled by the following function:

P=P_0(1+r)^x

Taking log on both sides, we get:

\log(P)=\log(P_0(1+r)^x)\\\log P=\log P_0+x\log (1+r)\\x\log (1+r)=\log P-\log P_0\\x\log(1+r)=\log(\frac{P}{P_0})\\x=\frac{\log(\frac{P}{P_0})}{\log(1+r)}

Plug in all the given values and solve for 'x'.

x=\frac{\log(\frac{700,000}{450,000})}{\log(1+0.05)}\\x=\frac{0.192}{0.021}=9.13\approx 10

So, for x > 9.13, the population is over 700,000. Therefore, from the tenth year after 2010, the population will be over 700,000.

Therefore, the tenth year after 2010 is 2020.

8 0
2 years ago
Find the principal square root of 14.
Anika [276]
Sqrt14 = 3.74 (2dp)

The principal root is always the positive.
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