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kap26 [50]
4 years ago
7

Please Help!!! I have 5 minutes left!!!!! The volume of a​ cone-shaped hole is 16 pi ft cubed . If the hole is 3 ft​ deep, what

is the radius of the​ hole?
Mathematics
2 answers:
tangare [24]4 years ago
8 0

Answer:

3.0699

Step-by-step explanation:

V = pi*r^2*h

you have v and h and pi so you can get r

postnew [5]4 years ago
5 0

Answer:

V = 1/3 • π • radius cubed • height

If the volume is is 16π and the height is 3, then 16π = 1/3 • π • r cubed • 3

16π ÷ (1/3 • π • 3) = 16

radius squared = 16        √16 = 4, so radius = 4

You can also check: 1/3 • r cubed • 3 = 16    The only value left to multiply is π

Step-by-step explanation:

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Answer:

no

Step-by-step explanation:

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3 years ago
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4 0
3 years ago
12<br> Using side lengths only, could the triangles be similar?<br> 0.5<br> m05 1 1.5
Murljashka [212]

Answer:

\large\boxed{\text{No.}\ \dfrac{0.5}{1}\neq\dfrac{1}{1.5}\neq\dfrac{1.5}{2}}

Step-by-step explanation:

\text{Let}\\ a,\ b,\ c\ -\ \text{sides of a triangle ABC, where}\ a\leq b\leq c\\d,\ e,\ f\ -\ \text{sides of a triangle}\ DE F,\ \text{where}\ d\leq e\leq f.\\\\\triangle ABC\sim\triangle DE F\iff\dfrac{a}{d}=\dfrac{b}{e}=\dfrac{c}{f}\\\\/\text{corresponding sides are in proportion}/

\bold{WARNING !!!}\\\\\text{No triangle like QRS exists!}\\\\1 + 0.5 = 1.5 !!!\\\\\text{The sum of the lengths of the two shorter sides of the triangle}\\\text{must be greater than the length of the longest side.}

\text{Despite this, let's check the ratios}

\text{We have:}\\\\\triangle XYZ\to a=1,\ b=1.5,\ c=2\\\triangle QRS\to d=0.5,\ e=1,\ f=1.5

\text{Check:}\\\\\dfrac{d}{a}=\dfrac{0.5}{1}=0.5\\\\\dfrac{e}{b}=\dfrac{1}{1.5}=\dfrac{10}{15}=\dfrac{2}{3}\\\\\dfrac{f}{c}=\dfrac{1.5}{2}=\dfrac{15}{20}=\dfrac{3}{4}\\\\\dfrac{d}{a}\neq\dfrac{e}{b}\neq\dfrac{f}{c}\neq\dfrac{d}{a}

8 0
3 years ago
Factor completely x2 + 20x − 36. (1 point)
Serggg [28]

Consider the form x^2+bx+c. Find a pair of integers whose product is c and whose sum is b. In this case, whose product is 36 and whose sum is 20.

2, 18

Write the factored form using these integers.

(x+2)(x+18)

4 0
3 years ago
What is the graph of the system y = −2x + 3 and 2x + 4y = 8? <br><br> Select one:
zhuklara [117]
 y = -2x + 3....slope = -2, y int = 3

2x + 4y = 8
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y = -1/2x + 2....slope is -1/2, y int is 2

this is graph C
5 0
3 years ago
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