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photoshop1234 [79]
3 years ago
7

Geometry math question please help

Mathematics
1 answer:
tensa zangetsu [6.8K]3 years ago
5 0
180°(n-2) = 180°(6-2)
= 180°(4)
= 720°
4(3x)+2(2x) = 12x + 4x
= 16x
720° = 16x
45° = x
45°(3) = 135°
Therefore the answer is D.
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JA mattress store in Stafford purchased a mattress at a cost of $255 and marked it up 100%. Later on, Cassie bought the mattress
goldenfox [79]

Answer:

She pays $566.10

Step-by-step explanation:

The mattress store marks a mattress up 100%. 100% of $225 is 225. We add 225 to 225 and get 510. Therefore, the store sells the mattress for $510 without tax. When Cassie buys the mattress, we have to add 11% tax. We change 11% to 0.11 and multiply that by the selling price (510). We get 56.10, so that is the tax. We add the tax to the selling price and get $566.10. Cassie pays $566.10 for the mattress.

I hope this helped and please mark me as brainliest!

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2 years ago
Whats 2.5/6 = h/9 what does h equal to
Liula [17]

Answer:

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Step-by-step explanation:

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4 0
2 years ago
Read 2 more answers
2. Find the volume of the prism. Round to the nearest tenth.
natita [175]

\huge\mathcal\pink{ANSWER}

\mathsf \purple{ v = \frac{1}{2} (a + b) \times h \times l}

\mathsf \pink{v =  \frac{1}{2} (5 + 12) \times 6.1  \times 16}

\mathsf \purple{v =  \frac{1}{2} (17) \times 6.1 \times 16}

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MArishka [77]

Answer:

no solution

Step-by-step explanation:

y = -2x + 3

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the substitution method means you plug one equation into the next, because the first equation gives us a solution for y we can go ahead and plug that into y of the second equation

6x + 3(-2x + 3) = -3

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which is false meaning that there are no solutions and the lines don't touch at any point

8 0
3 years ago
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amid [387]

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tes

Step-by-step explanation:

egsdghd

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