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frez [133]
4 years ago
8

I need Algebra Help Please

Mathematics
1 answer:
Elina [12.6K]4 years ago
3 0

Answer:

x^2-2x+4-\dfrac{15}{x+2}

Step-by-step explanation:

Synthetic division is a useful tool for problems of this sort. (see below)

__

Another way to work this one is to make use of the remainder theorem. The remainder from division by x+2 will be the value of the function at x=-2 (the value of x that makes the divisor be zero).

  (-2)³ -7 = -8 -7 = -15

Only one answer choice shows a remainder of -15, and all agree on the quotient.

  x^2-2x+4-\dfrac{15}{x+2}

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The product of twice a number and six is the same as the difference of eleven times the number and 1/4 fine the number
solmaris [256]

Answer:

x= -1/4

Step-by-step explanation:

suppose ,

The  number is x

now,

twice a number = 2 . x = 2x

The product of twice a number and six = 2x . 6 = 12x

  [ "product" means the result of multiplication]

Then,

Eleven times the number = 11 . x = 11x

The difference of eleven times the number and 1/4 = 11x - 1/4

                                                                                       =  (44x-1)/4

Hence,

 12x = (44x-1)/4

=>48x = 44x-1        [multiplied by 4 on both sides]    

=>48x-44x=-1         [subtract 44x on both sides]    

=>4x=-1                   [divide both sides by 4]  

=>x= -1/4                              

3 0
3 years ago
-3(x - 6) - 3 x greater than or equal to 12​
serg [7]

Answer:

EQUAL

Step-by-step explanation:

4 0
3 years ago
Help math word problem
erastova [34]

Lets x = # pounds of coffe

70 - 8.06x = 37.76

- 8.06x = - 32.24

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Answer

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4 0
3 years ago
Find the volume of the composite figure. Give your answer in terms of pi.
Sloan [31]
Volume of cone= 1/3 πr²*h
15²=10²+h²
h²=15²-10²=125
h=√125
Volume of cone= 1/3 *π*100*√125=π/3*(100*5√5)=500π√5/3
Volume of sphere=4/3*π*r³=4/3*π*1000=4000π/3
Volume of half sphere=(4000π/3)/2=2000π/3
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7 0
3 years ago
Line l has a _____ slope.<br> negative<br> 0<br> positive<br> undefined
Natasha2012 [34]

Answer:

positive

Step-by-step explanation:

negative slopes go from right to left; this line goes from left to right

0; the line isn't completely horizontal

undefined; the line isn't completely vertical

8 0
3 years ago
Read 2 more answers
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