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4 years ago

Find the absolute value of -7

Mathematics

2 answers:

algol [13]4 years ago

4 0

Answer:

Step-by-step explanation:

|-7| = 7

negative = positive if absolute value

jekas [21]4 years ago

4 0

Answer: 7

Step-by-step explanation: When an integer is written with vertical bars on

either side, it means that we take the absolute value of that integer.

This problem is read as "The absolute value of negative 7."

The absolute value of an integer is

its distance from zero on a number line.

Since -7 is 7 units from zero, we say that the absolute value of -7 is 7.

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Which equation is quadratic in form?

Rainbow [258]

A quadratic equation refers to an equation with the highest degree of 2. The first equation, 2(x+5)^2 + 8x + 5 + 6 = 0 is the only one with the highest degree of 2 (in (x+5)^2), so that is the quadratic.

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4 years ago

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Which expression represents the surface are of the prism? 4 8 7

Dmitry_Shevchenko [17]

Answer:

Step-by-step explanation:

One side;

7 x 8 = 56, the side parallel to it is also 56 as well, so 56(2).

Second(bottom) side;

8 x 4 = 32, the side parallel to it(the side above) is also 32 as well, so 32(2).

Third(front) side;

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2 years ago

Simplify the expression to standard form -1/2(8x - 4) + (-5 + 3x)

Hitman42 [59]

Answer:

$- x - 3$

Step-by-step explanation:

1) regroup term.

$- \frac{1}{2} (8x - 4) + 3x - 5$

2) Simplify 1/2 ( 8x - 4 ) to 8x - 4/2.

$- \frac{8x - 4}{2} + 3x - 5$

3) Factor out the common term 4.

$- \frac{4(2x - 1)}{2} + 3x - 5$

4) Simplify 4( 2x - 1 ) / 2 to 2( 2x - 1).

$- 2(2x - 1) + 3x - 5$

5) Expand by distributing terms.

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

6) Remove parentheses.

$- 4x + 2 + 3x - 5$

6) Collect like terms.

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

8) Simplify.

$- x - 3$

Therefor, the answer is -x - 3.

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3 years ago

A baker made 20 pies. a boy scout troop buys one–fourth of his pies, a preschool teacher buys one–third of his pies, and a cater

aleksklad [387]

One-fourth + one-sixth + one-third

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So, balance = 1/4 = 1/4 times 20 = 5 pies which is the answer!

Hope this helps!! Pleaseeee, Hit that Thanks button ;D

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4 years ago

If your heart rate is 153 beats per minute during strenuous exercise, what is the time per beat in units of seconds?

MrMuchimi

I think it would be 153/60 sec which is 2.55 seconds per beat.

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3 years ago

Find the absolute value of -7 ​

Find the absolute value of -7