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3 years ago

14

Pls help !!! For my math class!

1 answer:

fiasKO [112]3 years ago

4 0

Answer:

35 because they relevantly parrel which explains it alll

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(x^4 -6x^2-24)/(x-2)<br><br> synthetic division

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X^3+2x^2-2x-4 remainder -32/X-2

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3 years ago

Given a cone with a volume of 288 in and height 7 in find the base radius of the cone

nlexa [21]

$\bf \textit{volume of a cone}\\\\
V=\cfrac{\pi r^2 h}{3}\quad 
\begin{cases}
r=radius\\
h=height\\
------\\
h=7\\
V=288
\end{cases}\implies 288=\cfrac{\pi \cdot r^2\cdot 7}{3}
\\\\\\
\cfrac{288\cdot 3}{7\pi }=r^2\implies \sqrt{\cfrac{288\cdot 3}{7\pi }}=r$

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4 years ago

A roofer measures a run of 4 feet for each 2 feet of rise on a roof. what is the pitch, or slope, of the roof

kobusy [5.1K]

Rise/Run=2/4= 1/2, the answer would be 1/2.

6 0

4 years ago

Find the value of x. The dot represents the center of the circle, 20 represents the length of the diameter, and 16 is the length

Mumz [18]

Answer:

x = 6

Step-by-step explanation:

Looking at the attached figure:

As the triangle ABC is inscribed inside the circle and AB is the diameter of the circle => ABC is the right triangle

So that ∡ACB = 90°

As ACB is the right triangle, according to the Pythagoras theorem, we have the formula as following:

$AC^{2} +BC^{2} =AB^{2}$

=> $BC^{2} = AB^{2} -AC^{2} = 20^{2} -16^{2} = 400-256= 144 = 12^{2}$

=> BC = 12

As O is the center of the circle

=> OA = 1/2 x AB = 1/2 x 20 = 10

Inside the triangle ABC, as OD is parallel with BC

=> AOD and ABC are similar triangles

=> $\frac{OD}{BC} =\frac{AO}{AB}$

=> $\frac{x}{12}=\frac{10}{20} =\frac{1}{2}$

=> x = 1/2 x 12 = 6

So x = 6

4 0

3 years ago

Tom bought 2.5 cakes for class for the class picnic. 25 students will share the cake equally. what fractional part of a cake sho

kvv77 [185]

THE ANSWER IS 27.5,BECAUSE WHEN I ADDED IT 25+2.5 I GOT 27.5.THIS IS HOW I GOT MY ANSWER.

7 0

4 years ago