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3 years ago

Exponents: Can me help me? This is the one, I just can't get.

Mathematics

1 answer:

aliina [53]3 years ago

4 0

Answer:

Step-by-step explanation:

x^y * x^-y

When the bases are the same, we add the exponents when multiplying

x^(y-y)

x^0

Anything to the zero power is 1 (except 0)

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(5x2 + 4x + 3) - (2x2 - 2x + 5)

Setler [38]

Answer:

3x^2+6x-2

Step-by-step explanation:

(5x2 + 4x + 3) - (2x2 - 2x + 5)

5x^2+4x+3-2x^2+2x-5

3x^2+6x-2

7 0

3 years ago

The volumes of each figure that make the composite figure have been determined.

Bogdan [553]

Answer:

Add the two volumes

273.32

Step-by-step explanation:

just took this lesson on edgu

4 0

3 years ago

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PLEASE HELP ME Write a situation for the equation then solve. 25x−125=600

AURORKA [14]

The answer to this is x= 29

4 0

3 years ago

What is the average rate of change for 5/6 and 15/14

andreev551 [17]

Answer:

Average rate of change is 0.80.

Step-by-step explanation:

Given:

The two points given are (5, 6) and (15, 14).

Average rate of change is the ratio of the overall change in 'y' and overall change in 'x'. If the overall change in 'y' is positive with 'x', then average rate of change is also positive and vice-versa.

The average rate of change for two points $(x_1,y_1)\ and\ (x_2,y_2)$ is given as:

$R=\frac{y_2-y_1}{x_2-x_1}$

Plug in $x_1=5,x_2=15,y_1=6,y_2=14$ and solve for 'R'. This gives,

$R= \frac{14-6}{15-5}\\\\R=\frac{8}{10}\\\\R=0.80$

Therefore, the average rate of change for the points (5, 6) and (15, 14) is 0.80.

5 0

3 years ago

Chloe has a small dog and a large dog. Each day, the small dog eats 3/4 cup of dog food, and the large dog 2 1/2 cups of dog foo

svet-max [94.6K]

Answer:

Step-by-step explanation:

small dog eats 3/4 cup each day

large dog eats 1 cup each day

~after 1 week (x7)~

small dog = 5.25 cups

large dog = 7 cups

(7-5.25=1.75)

= therefore 1 and 3/4 cups

6 0

3 years ago

Read 2 more answers