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3 years ago

Can someone help me please?

Mathematics

1 answer:

erma4kov [3.2K]3 years ago

5 0

The answer is b bc the area of one cube is 57.76 so you multiply that by six bc there are six cubes. Once u do that you get 346.56 as the answer

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Consider the steps for determining the quotient of 12/x-4 / 4/x-4

Ierofanga [76]

Answer:

Quotient = 3

Step-by-step explanation:

We need to solve the given expression :

$\dfrac{\dfrac{12}{x-4}}{\dfrac{4}{x-4}}$

It can be done as follows :

As, $\dfrac{\dfrac{a}{b}}{\dfrac{c}{d}}=\dfrac{a}{b}\times \dfrac{d}{c}$

So,

$\dfrac{\dfrac{12}{x-4}}{\dfrac{4}{x-4}}=\dfrac{12}{x-4}\times \dfrac{x-4}{4}\\\\=\dfrac{12}{4}\\\\=3$

Hence, the required quotient is 3.

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3 years ago

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aleksandr82 [10.1K]

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3 years ago

Evaluate the expression x²+yz for x=-3, y=5, and z=2

Over [174]

Answer:

I think that the answer is 19.

Step-by-step explanation:

Writing out the problem

x²+yz

Substituting the given values of the variables

(-3)²+(5)(2)

Simplifying (-3)², which is 9

9+(5)(2)

5 times 2 equals 10

9+10

I hope this helped you. Enjoy your day, and take care :)

3 0

2 years ago

A U.S. penny has a mass of 2.5 grams. A U.S. quarter has a mass of 5.67 grams. What is the total mass of the two coins (pls help

Svet_ta [14]

Answer:

8.17 grams

Step-by-step explanation:

To find the total mass of the two coins add the masses together.

$5.67+2.5=8.17$

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3 years ago

Find the domain and range for the function shown in the graph given below.

eimsori [14]

Answer:

Domain: [-20, 20]

Range: [-30, 5]

Step-by-step explanation:

The domain is the set of x values and the range is the set of y values.

7 0

1 year ago