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alukav5142 [94]
4 years ago
6

What is a solution to (x 6)(x 2) = 60? x = −6 x = −4 x = 4 x = 12

Mathematics
2 answers:
Kryger [21]4 years ago
6 0
(x+6)(x+2)=60
expand
x^2+6x+2x+12=60
x^2+8x+12=60
minus 60 both sides
x^2+8x-48=0
factor
what multiplies to -48 and adds to 8
-4 and 12
(x-4)(x+12)=0
set each to zero

x-4=0
x=4

x+12=0
x=-12

x=4 or -12

solutions are x=-12 and 4
Lesechka [4]4 years ago
5 0

Answer:

Its C

Step-by-step explanation:I got it right

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The entrance fee to the national park is $15. The campsite fee is $25 per night.
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Answer:

Step-by-step explanation:

a.) y = 25x + 15

b.) y is the total cost x is the amount of nights stayed 15 is the entrance fee and 25 is the cost per night

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“Camilla makes and sells jewelry. She has 8,160 silver beads and 2,880 black beads to make necklaces. Each necklace will contain
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<h3>Answer:</h3>

96 necklaces

<h3>Step-by-step explanation:</h3>

To find out how many necklaces Camilla can make, we need to see how many times the required number of beads "goes into" the available number of beads.

Silver: 8160/85 = 96

Black: 2880/30 = 96

Camilla has enough beads to make 96 necklaces.

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<em>Comment on this answer</em>

Obviously, if one of the quotients is smaller than the other, Camilla can only make as many necklaces as are supported by the constraining resource.

Even if she had 3000 black beads (way more than 2880), she could still only make 96 necklaces (for example) because she would run out of silver beads making that 96th necklace. (There would be 120 black beads left over in that scenario.)

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I think the answer is 18.3984375 inches

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Aaron gives an estimate of 2 for the quotient in a division problem his teacher says his estimate is reasonable if the divisor i
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