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alexandr1967 [171]
3 years ago
14

Please answer if you know the answer. Find x and give reasons.

Mathematics
2 answers:
gregori [183]3 years ago
6 0
Here’s the answer, hope it helps. Btw these are screenshots from someone else’s work not mine

forsale [732]3 years ago
5 0
The answer is 30 have a good day
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The steps are as following :

Step 1 [original equation]: x^2 − 10x + y^2 + 12y = 20 .

Step 2 [group like terms]: (x^2 − 10x) + (y^2 + 12y) = 20

Step 3 [complete the quadratics]: (x^2 − 10x + 25) + (y^2 + 12y + 36) = 20 + (25 + 36).

Step 4 [simplify the equation]: (x^2 − 10x + 25) + (y^2 + 12y + 36) = 64.

Step 5 [factor each quadratic]: (x − 5)^2 + (y + 6)^2 = 8^2

Step 6 [identify the center and radius]: Center = (5, −6) Radius = 8.

<h3>Step 6 is incorrect.</h3><h3>The center should be (5,-6).</h3><h3> Replace − 5 with + 5 and replace + 6 with − 6.</h3>
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The difference of -2 to 14 is 16

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Trucks are delivering gravel to a construction site each truck hold 7.5 cubic yards of gravel. The weight of 1 cubic yard of gra
Romashka-Z-Leto [24]
The first thing you must do is to calculate the weight of the gravel (w) that the truck holds (7.5 yards³). So, you have:

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 x=11.1/3.7
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 H<span>ow many containers of this size are needed to hold all the gravel from one truck?
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3 years ago
Whats 87 + 72 tenths
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Answer:

94.2

Step-by-step explanation:

google and simple addition

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3 years ago
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Answer:

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