3 years ago

Please help! File attached to this

Mathematics

1 answer:

Juliette [100K]3 years ago

5 0

Answer:

C I think is the correct answer

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49.5 is what percent of 33?

KengaRu [80]

The answer is 150%. Simply, just do 49.5÷33 and you get 1.5, which is 150%

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2 years ago

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Write three different sentences that could describe the relationship between $27 and $81?

Ugo [173]

$27 is one third of $81.
$81 is $54 more than $27.
$81 is three times as much as $27

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3 years ago

Identify the axis of symmetry of the given quadratic y= -3x^2 - 12

Sergeeva-Olga [200]

Answer:

$\frac{d}{dy}(-3x^{2} -12) = -6x$

0 = -6x

0 = x

$-3(0)^{2} -12 = -12$

(0,-12)

Step-by-step explanation:

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2 years ago

Math problem:alexa works 40 hours a week if she arns 720 per week how much will she earn in 8 weeks

hammer [34]

Answer:

5,760‬ is your answer

Step-by-step explanation:

You Just multiply 720 by 8

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3 years ago

If you invest $4000 at 9% interest compounded annually, in how many years will you have $20,000. Give your answer the nearest te

Masteriza [31]

Answer:

18.7 years

Step-by-step explanation:

This is a compound interest problem and the following variables have been given;

Principal = 4000; this is the amount o be invested

APR = 9%; this is the compound interest to be earned

Accumulated amount = 20,000

We are required to determine the duration in years. We apply the compound interest formula;

$A=P(1+r)^{n}$

$20000=4000(1+\frac{9}{100})^{n}\\20000=4000(1.09)^{n}\\5=(1.09)^{n}$

The next step is to introduce natural logarithms in order to determine n;

$ln5=nln(1.09)\\n=\frac{ln5}{ln(1.09)}\\n= 18.675$

The number of years required is thus 18.7 years

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3 years ago

Please help! File attached to this​

Please help! File attached to this