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erica [24]
3 years ago
13

Find the value of the variable. Round decimal answers to the nearest tenth. x =

Mathematics
1 answer:
Andrews [41]3 years ago
3 0

Answer:

15

Step-by-step explanation:

The hypotenuse of a triangle is a² + b² = c².

12² + 9² = c²

144 + 81 = 225

√225 = 15

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Negative exponents in denominators can be evaluated using StartFraction 1 Over b Superscript negative and EndFraction nbsp equal
skelet666 [1.2K]

Answer:

b Superscript positive

Step-by-step explanation:

Negative exponents in the denominators can be evaluated by moving the function from the denominator to the numerator and changing the power from negative to the positive.

We have

1/b⁻² = b²

Moving the function with a power from denominator to numerator or from numerator to denominator changes the sign of the power. It is not equal to zero.

This is the property of exponents.

3 0
2 years ago
XYZ Music Store sells new CDs,n, for $ 13.50, and used $6.50 .The store eamed $ 456 revenue last month. The store sold 14 more u
marysya [2.9K]

Answer:

c

Step-by-step explanation:

i did it in a test and i used a calculator

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3 years ago
Help?? Due tomorrow!!
krek1111 [17]
Just plot the points.  easssyyyyyyo
8 0
3 years ago
3.
Vedmedyk [2.9K]

9514 1404 393

Answer:

  -25 dollars per month

Step-by-step explanation:

It is convenient to compute the rate of change using points where the graph crosses grid intersections. A couple of these are ...

  (months, dollars) = (1, 675)  and  (4, 600)

Using the slope formula, we have ...

  m = (y2 -y1)/(x2 -x1)

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3 years ago
Find the list price.
diamong [38]

Answer:

it would be 11475 hope this helps :)

7 0
3 years ago
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