3 years ago

Which ordered pair is a solution of the equation -3x - y = 6

1 answer:

8 0

Hello there!

The correct answer is option B (-3,3)

-3x - y = 6

-3(-3) - 3 = 6

9 - 3 = 6

6 = 6

Thus, the correct answer is option B

Good luck with your studied!

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Factor the common factor out of 8x^3+12x

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The answer is, 4x(2x^2+3)

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What is the range of values for measurements 300 +2%

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300*2/100. = 3*2=6

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3 years ago

It takes 42 cherries to make a cherry pie. If a chef bought 444 cherries, the last pie would need how many more cherries?

jeka94

It takes 42 cherries to make a cherry pie.
If a chef bought 444 cherries and you would like to know how many more cherries would the last pie need, you can calculate this using the following steps:

444 / 42 = 74 / 7 = 10 4/7 pies

4/7 * 42 = 24 cherries

42 - 24 = 18 more cherries

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valentina_108 [34]

Answer:

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2 years ago

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Find the diameter of the base of a right cylinder if the surface area is 128(pi) and the height is 12cm.

Gelneren [198K]

$d=2r\\
A=128 \pi \\
A=2 \pi r^{2} +2 \pi rh \\\\
2 \pi r^{2} +2 \pi rh = 128 \pi \\
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2 r^{2}+24r-128=0\\
r^{2}+12r-64=0\\
delta=400\\
r_{1/2} = -16/4 \\
r=4cm\\
d=8cm\\
$

Radius / diameter as a length cannot be negative, that's why '-16' is wrong.

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3 years ago