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kakasveta [241]
3 years ago
10

What is the value of x 21, 18, 10 or 29?

Mathematics
2 answers:
Hitman42 [59]3 years ago
8 0
18. Set the the two equations equal and solve.
Lerok [7]3 years ago
8 0
7x + 11 = 10x - 43
7x - 10x = -43-11
-3x = -54
x = 18
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Rewrite x + 1 = 3 in terms of y if x = y^2 + 1.
ExtremeBDS [4]
ANSWER:
(y^2+1)+1=3

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3 0
3 years ago
Consider the roots of a cubic equation with integral coefficients: −1, −4, and 3. Which choice is a factor of the cubic equation
mash [69]

Answer:

D

Step-by-step explanation:

Lets go case by case.

Given the roots, a factor will be part of the equation if for some of the roots the factor becomes null, i.e., equal to 0.

Is there any root that makes (x+3)=0? No, as it only becomes 0 for x = - 3 and -3 is not a root. So A NO!

Is there a root that makes (x-1)=0? No, as it only becomes 0 for x=1 and 1 is not a root. So B NO!

(x-4)=0 only for x=4, and as 4 is not a root, C NO!

The last, (x-3)=0 if x=3. As 3 is one of the roots, (x-3) is a factor of our equation!

D is the only correct option!

5 0
3 years ago
Solve for x: (x^2+2x)+x+2=0
castortr0y [4]

Answer:

x=-5

Step-by-step explanation:

(x^{2} +2x)+x+2=0\\(3x^{2} )+x+2=0\\3x^{2} +x=-2\\9x+x=-2\\10x=-2\\x=-5

Hope This Helps!!!!!

5 0
3 years ago
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A local band, The Desert Rats, is planning to make a compact disk. It will cost $12,500 to record and produce a master copy, and
Masteriza [31]
The answer i have is <span>12,500 + 3X = 8X </span><span>Solve: </span><span>12,500 = 5X </span><span>X = 12,500/5 </span><span>X 2,500 copies hope this helps :)</span>
5 0
3 years ago
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VladimirAG [237]

Answer:

Step-by-step explanation:

6 inches enlarged by 1.5 = 9 inches

9 inches enlarged by 1.5 = 13.5 inches

Area would be 9x13.5=

121.5 inches for the area

Hope this helps you out.

8 0
3 years ago
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