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2 years ago

Evaluate. (-5)² A. -52 B. -25 C. -10 D. 10 E. 25

Mathematics

2 answers:

storchak [24]2 years ago

7 0

Answer:

E. 25

Step-by-step explanation:

A negative times a negative equals a positive. And a squared number is the number inside the parentheses time that number.

Example:

-5×-5=25

blagie [28]2 years ago

5 0

(-5)²

= (-5)×(-5)

= 25

-> E

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(c + b + a) + (-2a - 3b + c)

inna [77]

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▹ Answer

2c - 2b - a

▹ Step-by-Step Explanation

(c + b + a) + (-2a - 3b + c)

Remove the parentheses

c + b + a + (-2a - 3b + c)

Collect like terms

2c + b + a - 2a - 3b

Final Answer

2c - 2b - a

Hope this helps!

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3 years ago

Read 2 more answers

Irene knows there are 2 cups in 1 pint. She writes the equation c=2p to find the number of cups, c, in any number of pints, p. U

Natasha2012 [34]

Answer:

See Explanation

Step-by-step explanation:

The question is incomplete, as there are no options to select from.

However, a general explanation is as follows.

Given

$2\ cups = 1\ pint$

Required

Is $c = 2p$ a correct expression?

Let

$c = cups$

$p = pint$

So:

$2\ cups = 1\ pint$

becomes

$2 * c = 1 * p$

$2c = p$

Divide both sides by 2

$c =\frac{1}{2}p$

Hence:

$c = 2p$ is incorrect

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3 years ago

The scatter plot shows a hiker's elevation above sea level during a hike from the base to the top of a mountain. The equation o

irakobra [83]

Answer:

2232 for 170 minutes

Step-by-step explanation:

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3 years ago

Madilyn and Penelope have 28 toys to build. Madilyn builds 3/4 of the toys, while Penelope builds 1/7. How many toys are there l

uysha [10]

Answer:

Step-by-step explanation:

3/4 x 28=21 Madilyn built 21 toys.

1/7 x 28=4 Penelope built 4 toys.

21+4=25 25 toys have been built altogether.

28-25=3

There are 3 toys left to build.

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3 years ago

If a population consisted of 1000 people, a sample of the population could

Levart [38]

Answer: 100

Step-by-step explanation: 10%

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3 years ago

Evaluate. (-5)² A. -52 B. -25 C. -10 D. 10 E. 25​

Evaluate. (-5)² A. -52 B. -25 C. -10 D. 10 E. 25