Haven't run across one with three terms. help? preferably explain how you got the answer too!!

Mathematics

1 answer:

const2013 [10]3 years ago

5 0

Answer:

c^3 + c^2 - 7c + 20

Step-by-step explanation:

First, expand the expression using distributive property.

c^2(c+4) - 3c(c+4) + 5(c+4)

c^3 + 4c^2 - 3c^2 - 12c + 5c + 20

Lastly, simplify like terms.

c^3 + c^2 - 7c + 20

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Which fraction is between 2/3 and 6/7

MrRa [10]

Answer:

For example, 16/21

Step-by-step explanation:

Are there choices?

There is an infinite number of numbers between any two numbers.

2/3 = 14/21

6/7 = 18/21

One example of a fraction between 2/3 and 6/7 is 16/21

16/21 is between 2/3 and 6/7.

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2 years ago

-8p^2+8p+7=9<br> how do i find the discriminant

m_a_m_a [10]

The discriminant can be found using the formula b^2-4ac

First put your equation in standard form, where all your values are on one side, and just add f(x) or y in front of your equation.
y= 8p^2-8p+2

The first value of your equation is a (a=8)
The second term of your equation is b (b=-8)
The last term of your equation is c (c=2)

Plug in the values to the discriminant equation b^2-4ac

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3 years ago

Write an equation for the description.<br> Two-thirds a number x plus 4 is 6.

antiseptic1488 [7]

2/3x + 4=6. Is that what you mean?

8 0

2 years ago

Steven has some money if he spends nine dollars then he will have 3/5 of the amount he started with

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