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N76 [4]
3 years ago
5

Subtract 3x^2+7x-4 from 8x^2-6x+2

Mathematics
1 answer:
solong [7]3 years ago
3 0

Answer:

5x^2-13x+6

Step-by-step explanation:

(8x^2-6x+2)-(3x^2+7x-4)

8x^2-3x^2-6x-7x+2-(-4)

5x^2-13x+2+4

5x^2-13x+6

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I believe A and D are the correct answers

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3 years ago
The human body consists mainly of three elements. About 1/10 of a body's weight is hydrogen, 16/25 is oxygen, and 1/5 is carbon.
velikii [3]

Answer:

Hydrogen = 13.4

Oxygen = 85.76

Carbon =  26.8

Step-by-step explanation:

H= 13.4

When you multiply by 1/10 all you have to do is move the decimal point to the LEFT.

So... 134←. = 13.4

_______________________________________________________

O= 85.76

134×\frac{16}{25}=85.76

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C= 26.8

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3 years ago
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Plus or minus 3. (The 1st answer)

x^2 means (-3*-3) which equals 9

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3 years ago
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Apply the distributive property to factor out the greatest commen factors of 75 + 20
Radda [10]

Answer:

5(15+4)

Step-by-step explanation:

the greatest common factor is 5

3 0
3 years ago
2. Create a linear function that has a rate of change of 3 and a solution at (6, 12).
Ksivusya [100]

Answer:

y = 3x - 6

Step-by-step explanation:

A linear function has the following format:

y = ax + b

In which a is the slope(rate of change) and b is the y-intercept, that is, the value of y when x = 0.

Rate of change of 3

This means that a = 3

So

y = 3x + b

A solution at (6, 12).

This means that when x = 6, y = 12. So

y = 3x + b

12 = 3*6 + b

b = -6

The linear function is:

y = 3x - 6

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4 years ago
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