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Marizza181 [45]
3 years ago
10

Someone help please, i cant solve this one :|

Mathematics
2 answers:
Nataly_w [17]3 years ago
5 0

Answer:

A. y = 45.25x + 10

Step-by-step explanation:

We can use the points (3, 145.75) and (5, 236.25) to solve.

Find the slope using the formula [ y2-y1/x2-x1 ].

236.25-145.75/5-3

90.5/2

45.25

Find the y-intercept using the formula for slope-intercept form [ y = mx + b ]

y = 45.25x + b

145.75 = 45.25(3) + b

145.75 = 135.75 + b

10 = b

Put everything we solved for into the formula above.

y = 45.25x + 10

Best of Luck!

andrey2020 [161]3 years ago
4 0

Answer:

i think its B

Step-by-step explanation:

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One of the skylights on the roof of Bianca’s building is in the shape of the solid below.
luda_lava [24]

Answer:

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Step-by-step explanation:

The total volume of air inside the skylight is in the shape of a pyramid, not the rectangular prism at the bottom.

So, if we look at the pyramid, it has a square base with dimensions 14 x 14. Its height is 11 - 2 = 9.

Formula for volume of a pyramid is:

V = 1/3 * Area of Base * height

Area of Base (since it is a square) = 14 * 14 = 196

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<em>plugging into the formula, we get:</em>

<em>V=\frac{1}{3}*BaseArea*height\\=\frac{1}{3}*196*9\\=588</em>

<em />

<em>Hence, volume is 588 sq. in.</em>

8 0
3 years ago
2. Kerry has a $1,973-per-month mortgage payment. He decides to refinance his $204,000 balance at 5% over 20 years. What's his n
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3 years ago
Which expression is equivalent to (7^-8)(7^3)
suter [353]

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3 years ago
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Vilka [71]

Answer:

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Step-by-step explanation:

BRAINLIEST PLZ

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Kaavya

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