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Studentka2010 [4]
1 year ago
15

If you know that the product of two powers is 5 to the power of 3, and that the quotient is 5 to the power of 17, what could the

two powers be? Explain how you know this answer is correct.
Mathematics
1 answer:
krok68 [10]1 year ago
8 0

Answer:

5^{10} \cdot 5^{-7} = 5^3

\frac{5^{10}}{5^{-7}} = 5^{17}

Step-by-step explanation:

You have two equations:

5^a \cdot 5^b = 5^3

\frac{5^a}{5^b} = 5^{17}

But since

x^a \cdot x^b = x^{a+b}

you only need to solve a+b = 3 and a-b=17

Rewrite the second as a = 17+b and plug it into the first:

17+b + b = 3, then you find, 2b = -14, so b = -7.

Then a=3-b, so a = 10.

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An exam has two probability problems, 1 and 2. If 37% of the students solved problem 1 and 12% of the students solved both probl
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3 years ago
What is the commom difference in the following arithmetic sequence??
aalyn [17]
Each increases by a certain amount called the common difference

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3 years ago
How to find slope within two sets of points
EastWind [94]

The slope within two sets of points is calculated using the slope equation m = \frac{y_2 -y_1}{x_2 -x_1}

<h3>What is slope?</h3>

The slope of a line or points is the rate of change of the line.

This in other words means that, the vertical change per unit horizontal change

Assume that the points are given as:

(x1, y1) and (x2, y2)

The slope (m) of the points is:

m = \frac{y_2 -y_1}{x_2 -x_1}

Hence, the equation of two sets of points is m = \frac{y_2 -y_1}{x_2 -x_1}

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3 0
2 years ago
Melissa, Dan, and Henry have $87 in their wallets. Dan has 3 times what Henry has. Melissa has $8 less than Henry. How much does
puteri [66]

Answer:

Henry has $19, Dan has $57, and Melissa has $11

Step-by-step explanation:

Let x represent how much money Henry has

Since Dan has 3 times what Henry has, his amount is 3x

Since Melissa has $8 less than Henry, her amount is x - 8

Create an equation that sets these 3 values equal to 87, then solve for x

(x) + (3x) + (x - 8) = 87

5x - 8 = 87

5x = 95

x = 19

So, Henry has $19

Find how much Dan has by multiplying 19 by 3

19(3)

= 57

Find how much Melissa has by subtracting 8 from 19

19 - 8

= 11

So, Henry has $19, Dan has $57, and Melissa has $11

8 0
2 years ago
Read 2 more answers
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