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gladu [14]
3 years ago
12

Expand and simplify (x-6) (x+5) with explanation ​

Mathematics
1 answer:
kati45 [8]3 years ago
6 0

Answer:

x^2-x-30

Step-by-step explanation:

x^2+x times 5+(-6)x+(-6) times 5

=x^2+5x-6x-6 times 5

=x^2-x-30

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Ronch [10]
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7 0
4 years ago
Please help explanation if possible
Svet_ta [14]

Answer:

18.84 feet.  let me know if you have ay other questions.

Step-by-step explanation:

The way to find the formula for circumference is kinda complicated so it is best to ust memorize the formula, which is 2πr.  or 2 times pi times the radius.  

Your problem gives you the formula, but instead of 2 and r in it you have d, which is the diameter.

The diameter of the circle is 2 times the radius, so that's why it is replaced.

the radius is the distance from the center fo the circle to one edge, and the diameter is the distance through the circle passing through its center.  so it's the center to one end plus the center to another end.  or r+r which is also 2r.

So d = 2r, so in this problem d =6 feet.

So now the formula πd = 3.14*6 feet = 18.84 feet

7 0
3 years ago
Find (ƒ – g)(x) where ƒ(x) = 2x2 + 5x – 8, g(x) = –x2 + 6x.
STatiana [176]

Answer:

A

Step-by-step explanation:

ƒ(x) = 2x2 + 5x – 8

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(ƒ – g)(x)=2x2+5x-8-(-x2+6x)

=2x2+5x-8+x2-6x

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3 years ago
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Lilit [14]
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3 years ago
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enyata [817]

Answer:

q=6

Step-by-step explanation:

q/2 - -5 =8

q/2 = 8-5

q/2 = 3

we do cross multiplication

q=3×2

q=6

5 0
3 years ago
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