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snow_lady [41]
3 years ago
5

guys I need help with this problem. I've tried solving it but everything I do is wrong please help me and explain what you did.

Mathematics
2 answers:
kolezko [41]3 years ago
7 0

Answer:

(x^2) / 21

Step-by-step explanation:

To divide a quantity by a fraction, invert the fraction and then multiply.  Cancelling the "x" in the given problem does not accomplish this.

(x/3) divided by (7/x) is equivalent to (x/3) times (x/7), or x^2 / 21.


Vaselesa [24]3 years ago
6 0

Answer:

This is incorrect because when you seperate both equations, the 7/x flips to x/7. x times x does not cancel out, and the correct division gives you x²/21

Step-by-step explanation:

(x/3)/(7/x)

(x/3) ÷ (7/x)

(x/3) × x/7

x²/21

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The spinner below is spun three times, find all possible outcomes. the spinner has 12 numbers
Simora [160]

For the spinner with 3 sectors, the total number of outcomes for 3 spins is 27.

<h3></h3><h3>What is the combination?</h3>

A combination is a mathematical technique that determines the number of possible arrangements.

Let's we have to define

A, B, and C, as the regions in the spinner.

So, we spin it 3 times, and for each of these times there are 3 outcomes, so the outcomes will be of the form:

The outcome of spin 1, the outcome of spin 2, outcome of spin 3.

The total number of  different outcomes will be:

3^3 = 27

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8 0
2 years ago
How is the graph of y=9(3)^x-2 -6 translated from the graph of y=9(3)^x ?
USPshnik [31]
For this case we have the following function:
 y = 9 (3) ^ x
 Applying the following transformations we have:
 Horizontal translations
 Suppose that h> 0
 To graph y = f (x-h), move the graph of h units to the right.
 y = 9 (3) ^ (x-2)
 Vertical translations
 Suppose that k> 0
 To graph y = f (x) -k, move the graph of k units down.
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2 units to the right
 
6 units down
5 0
4 years ago
What is 7/10+20/100?
Firdavs [7]
9/10. make the bottom numbers the same to add fractions. you can do that by multiplying 7/10 by 10/10.

70/100 + 20/100 = 90/100

90/100 = 9/10

you can also reduce 20/100 to 2/10.

7/10 + 2/10 = 9/10
8 0
3 years ago
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A store purchases an item wholesale for $60 and marks it up by 70 percent. If there is a 7 percent tax on the item, how much wil
HACTEHA [7]

Answer:

$106.20

Step-by-step explanation:

60x70%=42

60x7%=4.2

60+46.2

7 0
3 years ago
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Turn decimal into fraction -1.25
Sedaia [141]

Answer:

-5/4

Step-by-step explanation:

4 0
4 years ago
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