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rosijanka [135]
3 years ago
14

Subtract the following polynomials

Mathematics
2 answers:
seraphim [82]3 years ago
5 0
Question 1
= q^2 -4q^2 + 8 -1
= 3q^2 + 7

Question 2
=7x^2 - 5x^2 + 3x - x -6 - 9
=2x^2 + 2x - 15
Olegator [25]3 years ago
4 0

Answer:

1.  (q² + 8) - (4q² + 1)

Simplify each term.

q²+8−4q²−1

Simplify by adding terms.

−3q²+7

2. (3x + 7x² - 6) - (5x² + x + 9)​

Simplify each term.

3x+7x²−6−5x²−x−9

Simplify by adding terms.

Tap for more steps...

2x²+2x−15

Step-by-step explanation:

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A rectangular solid and a cube are of equal volume. If the rectangular solid is 20 centimeters long, 5 centimeters wide, and 10
abruzzese [7]

Answer:

10 centimeters.

Step-by-step explanation:

First, we need to remember what's the formula to get the volume of a rectangular solid and a cube.

The volume of the first equals:

Volume = Length x Width x Height

While the volume of the cube is:

Volume = a^{3} where a is the edge.

We are given the measures of the rectangular solid so we can calculate its volume:

Volume= (20)(5)(10)=1000 cubic cms.

Now, we know that  both the volume of the rectangular solid and the cube are the same so we will use this information to calculate the edge of the cube.

1000=a^3 \\\sqrt[3]{1000} =\sqrt[3]{a^3} \\10=a

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3 years ago
The answer to the problem
Blababa [14]
2 5/9 +1 2/3
= 2 5/9 + 1 6/9
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For which value of a are the graphs of –4 = 3x + 6y and ax – 8y = 12 parallel?
Dimas [21]

Answer:

The answer is A) a=-4

Step-by-step explanation:


4 0
3 years ago
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Determine whether each equation represents a proportional relationship.<br> y=2.5x<br> y=x−4
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Step-by-step explanation:

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nexus9112 [7]

Answer:

x = 2y

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hope that helps...

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