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sergey [27]
3 years ago
14

What is 30% of 70? Show your work. Is this right? 30/100 = 0.3 x 70 = 21%

Mathematics
1 answer:
nadezda [96]3 years ago
4 0
30\% \ of \ 70=30\% \times 70=\frac{30}{100} \times 70=0.3 \times 70=21
30% of 70 is 21.

Yes, it's right, but the answer is 21, not 21%.
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Ricky Bobby wants to buy a new automobile for $55,000 in 8 years. How much money must Ricky's original investment be if he makes
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Answer:

PV= $40,279.36

Step-by-step explanation:

Giving the following information:

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Interest rate= 0.039/12= 0.00325

Future value (PV)= $55,000

<u>To calculate the initial investment, we need to use the following formula:</u>

PV= FV/(1+i)^n

PV= 55,000 / (1.00325^96)

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4 0
2 years ago
What is right less a number is less than or equal to seventeen
USPshnik [31]

Answer:

x≤17

Step-by-step explanation:


5 0
3 years ago
Need help with geometry. Finding the slant height of a pyramid
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980 ÷ 14 = 70 In.

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4 0
3 years ago
The length of the side of a square is equal to the perimeter of the square divided by four. Which shows the correct graph relati
serious [3.7K]

Answer:

On a coordinate plane, the x-axis is labeled Perimeter of a square, and the y-axis is labeled Side length of a square. A line goes through points (4, 1), (8, 2).

Step-by-step explanation:

Let

x ----> the perimeter of the square

y ---> the side length of the square

Remember that

The perimeter of the square is given by the expression

P=4b

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solve for b

b=\frac{1}{4}P

That means

A ordered  pair in the coordinate plane following the rule

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therefore

On a coordinate plane, the x-axis is labeled Perimeter of a square, and the y-axis is labeled Side length of a square. A line goes through points (4, 1), (8, 2).

Because

For the point (4,1)

substitute in the linear equation the value of x

y=4/4=1 ----> is ok

For the point (8,2)

substitute in the linear equation the value of x

y=8/4=2 ----> is ok

8 0
3 years ago
The sum of negative eighteen and a number is eleven. what is the number? which equation could be used to solve the problem? x -
Zepler [3.9K]
Sum means addition 
negative 18 means -18
a number can be x
Sum of negative 18 and x should be 11
thus the equation is
-18+x=11
3 0
3 years ago
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