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3 years ago

If the mean is 11 which number could v be data set 11 8 14 v 8 14

Mathematics

1 answer:

Romashka-Z-Leto [24]3 years ago

4 0

Answer:

Step-by-step explanation:

11 + 8 + 14 + v + 8 + 14

================== = 11 Combine Terms

(55 + v) / 6 = 11 Multiply by 6

55 + v = 11 * 6 Combine the right

55 + v = 66 Subtract 55

55-55+v = 66- 55

v = 11

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Solve: 5y – 3.5 = 10.5

Svetlanka [38]

Answer:2.8

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2 years ago

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TIME REMAINING

erik [133]

Answer:

$1,131.20 is the amount earned

Step-by-step explanation:

<u>Key skills needed: Simple Interest Formula, Operations ( +, - , x , / )</u>

1) To understand this problem, you need to know the simple interest formula.

A = P(1+rt)

A is the amount

P is the principal

R is the interest rate as a decimal

T is the time in years

2) The 1st thing we need to do is convert the interest rate into a decimal. We have 14%. To convert into decimal form, we divide it by a 100, or move the decimal 2 places to the left. This is 0.14 --> So r=0.14

3) Next we use the formula:

A = 1,010(1+ 0.14(8))

We first do 0.14(8) which is 1.12 and then add it to the 1 value, so you will get --> A = 1,010(2.12)
Multiply and you will get A = $2,141.20
To find the interest earned, you subtract this by the original amount, so $2,141.20 - $1,010 which would be $1,131.20

This means $1,131.20 is your answer.

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2 years ago

John typed a 48 word paragraph in 2/3 minute. What is the typing speed in words per minute

serg [7]

Answer: The answer is: " 72 words per minute. "

___________________________

Step-by-step explanation:

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This is a "unit rate" problem.

We want to solve for/ find the number of words PER single minute.

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Given 48 words per (2/3) minute;

How many words per (one) minute?

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The answer is {48 ÷ (2/3) } words per minute:

Note: dividing by a number is the same as multiplying by the reciprocal (inverse) of that particular number:

Hence:

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The answer is {48 * (3/2) } words per minute:

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Write as:

" $\frac{48}{1} *\frac{3}{2}$ " ;

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The "48" can be changed to "24" ; and the "2" can be changed to "1" ;

→ {Since: "48 ÷ 2 = 24 "} ;

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And we have:

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" $\frac{24}{1} *\frac{3}{1} = 24 * 3 = 72$ " ;

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The answer is: " 72 words per minute ."

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