3 years ago

I need help with this

Mathematics

1 answer:

Citrus2011 [14]3 years ago

6 0

Answer:

I need help

Step-by-step explanation:

202

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Which equation represents a population of 250 animals that decreases at an annual rate of 21%

guajiro [1.7K]

Answer:

y= 250( 1-0.21)^x

Step-by-step explanation:

This represents exponential decay

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Find the zeros and complete the factorization

vovikov84 [41]

Answer:

$(x^{2} -\sqrt{5} )(x^{2} +\sqrt{5} )(x^{2} +4)$

Step-by-step explanation:

$x^{4} -x^{2} -20\\if x^{2} =y\\y^{2} -y -20\\y^{2} -5y +4y - 20\\y(y-5)+4(y-5)\\(y-5)(y+4)\\since x^{2} =y\\(x^{2} -5)(x^{2} +4)\\(x^{2} -\sqrt{5} )(x^{2} +\sqrt{5} )(x^{2} +4)$

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3 years ago

Which answer correctly estimates the quotient of 102.02 ÷ 4.011?

rjkz [21]

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rounded 25.43

or 25

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3 years ago

You invest $1000 in an accound that pays 7.9% interest, compounded monthly. How much money is in the account at the end of three

faust18 [17]

Answer:I hope the following example will help you

Step-by-step explanation:

Ex1: If $1000 is invested now with simple interest of 8% per year. Find the new amount after two years.

P = $1000, t = 2 years, r = 0.08.

A = 1000(1+0.08(2)) = 1000(1.16) = 1160

4 0

3 years ago

Read 2 more answers

I need help with this ​

I need help with this