3 years ago

What’s the answer? I’m very confused

Mathematics

1 answer:

Snowcat [4.5K]3 years ago

6 0

F(x) = 29x +38. F(x) is a fancy way of saying y= and you must know the basic formula y=mx+b

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Aleks04 [339]

Answer:

84.87sq ft

Step-by-step explanation:

Let ABC be the triangle and AD be the perpendicular on BC such that BD=DC=7ft.

Now, it is known that $\frac{DC}{AC}=cos60^{0}$

$AC=\frac{7}{\frac{1}{2}}$

$AC=7ft$

Now, in triangle ADC, we have

$(AC)^{2}=(AD)^{2}+(DC)^{2}$

$(14)^{2}=(AD)^{2}+(7)^{2}$

$196-49=(AD)^{2}$

$AD=12.12ft$

Now, area of the triangle= $\frac{1}{2}{\times}b{\times}h$

= $\frac{1}{2}{\times}14{\times}12.12$

= $84.87sq ft$

Thus, area of the building is 84.87sq ft.

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3 years ago

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Maksim231197 [3]

Answer: 8 37/40

Step-by-step explanation:

Divide 357 by 40!?

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juin [17]

Answer:the answer is 2

Step-by-step explanation:

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The sum of 3 times a number and 4 is 9.

larisa [96]

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Step-by-step explanation:

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