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3 years ago

Which expression is equivalent to 24 - (-6)?

Mathematics

1 answer:

joja [24]3 years ago

7 0

24+6 would be equivalent

Two negatives would equal a positive

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What is the volume of the prism?

mezya [45]

Answer:

40 $\frac{5}{8}$ $cm^{3}$

Step-by-step explanation:

The figure is a rectangular prism, so the formula would be Volume = length x width x height.

length = 6 $\frac{1}{2}$ cm

width = 2 $\frac{1}{2}$ cm

height = 2 $\frac{1}{2}$ cm

If you plug everything you have in the problem into the volume equation, you would get : Volume = 6 $\frac{1}{2}$ cm x 2 $\frac{1}{2}$ cm x 2 $\frac{1}{2}$ cm.

Without a calculator, I would first turn the mixed numbers into improper fractions.

6 $\frac{1}{2}$ = $\frac{13}{2}$

2 $\frac{1}{2}$ = $\frac{5}{2}$

Volume = $\frac{13}{2}$ x $\frac{5}{2}$ x $\frac{5}{2}$

When you multiply everything together you should get $\frac{325}{8}$ .

As a mixed number, that would be 40 $\frac{5}{8}$ $cm^{3}$ .

7 0

2 years ago

A string of decorative lights is 22 feet long. The first light on the string is 16 inches from the plug. The

Masteriza [31]

Answer:

63 Lights

Step-by-step explanation:

First you can convert the feet to inches:

The length of decorative lights is 264 inches

You can then subtract 16 from 264

264 - 16 = 248

248/4 = 62

Adding one extra light at the end of the string of decorative lights you can get 63 lights on the string

5 0

2 years ago

What is the value of the x variable in the solution to the following system of equations?

harkovskaia [24]

Its A. x=4

procedure: 3*equation1 - 2*equation2 ⇒ x=4

8 0

3 years ago

What is the answer of 81g^2 - 36f^2 ?????

sveticcg [70]

Answer:

(9g - 6f)(9g + 6f)

Step-by-step explanation:

81g^2 - 36f^2 =

(9g)² - (6f)² =

(9g - 6f)(9g + 6f)

3 0

2 years ago

What number would you add to both sides of x2 + 7x = 4 to complete the square?

tamaranim1 [39]

Answer: (7/2)^2

Step-by-step explanation:

5 0

3 years ago

Read 2 more answers