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4 years ago

Please anwser im having the hardest time on this picture

Mathematics

2 answers:

Vesnalui [34]4 years ago

4 0

42+85+69=196
196/7=28

Free_Kalibri [48]4 years ago

3 0

What you do first is add the books 42 + 85 + 69 which equals 196. Then divide 196 by 7 and you get 28 :)

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Suppose a - b = 0

Crank

The answer would be E. 2a.

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4 years ago

Please help with both thanks

defon

1. Add all the sides 33 inches left and right and 75 inches. up and down.

Perimeter= 216

2. If 2/3 pounds is needed for 1 cheese cake and you have 2 pounds its not enough so 2 minus 2/3 will give you a mixed fraction : 1 over 1/3 or a decimal : 1.3

Idk if they want you to divide but if they do then your answer is 1/3

4 0

4 years ago

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Kenneth loaned $1,200 to his niece to buy a computer. Two years later, she paid him back the $1,200 along with an interest of $9

insens350 [35]

Answer:

The annual interest rate was 4%

Step-by-step explanation:

1. Let's review the data given to us for solving the question:

Loan to Kenneth's niece to buy a computer = US$ 1,200

Duration of the loan = 2 years

Niece paid back to Kenneth = US$ 1,296

Annual interest rate = x%

2. Let's find the annual interest rate after 2 years, using the following formula:

FV = PV * (1 + x)

PV = Loan to Kenneth's niece to buy a computer = US$ 1,200

FV = Niece paid back to Kenneth = US$ 1,296

rate (r) = x

Replacing with the real values:

1,296 = 1,200 * (1 + x)

1.296/1.200 = (1 + x) (Dividing by 1,200 at both sides)

1.08 = 1 + x

1.08 - 1 = x (Subtracting 1 at both sides)

0.08 = x

This is the interest rate for two years, for finding the annual interest rate we divide it by 2, this way:

0.08 / 2 = 0.04 * 100 = 4%

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3 years ago

Evaluate 5 - t/3 when t = 12.

Nady [450]

5 - t/3

5 - 12 /3

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3 years ago

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juanita is watering her lawn using the water stored in her rainwater tank. the water level in the tank drops 1/3 inch every 10 m

Harrizon [31]

Fraction of tank drops in every 10 minutes = 1/3 inches.

We need to find the expected change in the tank's water level after 2.25 hours.

Let us convert 2.25 hours in minutes.

1 hours = 60 minutes.

2.25 hours = 2.25 × 60 = 135 minutes.

We need to divide 135 by 10.

We get 13.5.

Now, we need to multiply 1/3 by 13.5, we get.

13.5/3 = 4.5 inches.

<h3>So, tank would drop 4.5 inches after 2.25 hours.</h3>

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4 years ago