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natulia [17]
2 years ago
15

Aiyana reads 147 pages of a book. She completes 70% of the book. How many pages does Aiyana still have left to read?

Mathematics
1 answer:
Alexandra [31]2 years ago
8 0

Answer:

44 pages

Step-by-step explanation:

To calculate 70% of 147, divide 147 by 100 to find the number of pages per 1%, then mulitply by 70 to find 70%

(147 ÷ 100) x 70 = 102.9 = 103 (rounded to the nearest integer)

To calculate how many pages are left, subtract 102.9 from 147:

147 - 103 = 44

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Answer:

Step-by-step explanation:

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y = 2(x^2 - 6 + (6/2)^2) +19 Subtract 2 *9 from the 19. Express 1st 3 terms as ( )^2

y = 2(x- 3)^2 + 19 - 18

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Answers

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7 0
3 years ago
6) Allison is opening up a jewelry business. She spent $56 on supplies. After $77 in sales to customers,
liraira [26]

Answer:

1 she spent 133

2 12 yd

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Step-by-step explanation:

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3 years ago
Marvin used the money he received from
Kay [80]

Answer:

<em>Correct choice: C. $320</em>

Step-by-step explanation:

<u>Simple Interest</u>

Definition: Interest calculated on the original principal only of a loan or on the balance of an account.

Unlike compound interest where the interest earned in the compounding periods is added to the new principal, simple interest only considers the principal to calculate the interest.

The interest earned is calculated as follows:

I=P.r.t

Where:

I = Interest

P = initial principal balance

r = interest rate

t = time

Marving is saving money in a savings account with a simple interest rate of r=7.5%=0.075. It's known that after t=12 years, the account had earned $288 interest. Substituting in the formula:

288 = P*0.075*12

Calculating:

288 = 0.9P

Dividing by 0.9:

P = $320

Correct choice: C. $320

7 0
3 years ago
Which inequality is true?
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3 years ago
I need help with these both
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Yeah you were right, those are the correct answers.
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2 years ago
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