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tensa zangetsu [6.8K]

3 years ago

8

A cone has volume 3. If the cone's radius is 1, what is its height? If the cone's radius is 2, what is its height? If the cone's

radius is 5, what is its height?

1 answer:

grandymaker [24]3 years ago

5 0

Answer:

what

Step-by-step explanation:

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Lesechka [4]

Answer:

hello again haha

-2, -1, 0, 1

4 0

3 years ago

Each month, Helder volunteers x hours at the hospital and 8 hours at the local food bank. To find how many hours he will spend v

makkiz [27]

Another way the expression can be written is 3(x+8).

The problem is asking you to figure out how many hours were spend volunteering over 3 months. So both x and 8 (amounts of volunteer time in different places) will need to be multiplied by 3. Writing 3 next to a parenthesis is a way to say multiply.

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3 years ago

Steve listed the steps he took when constructing a circumscribed circle of AABC. What is the missing step? 1) Draw the perpendic

kotegsom [21]

Answer:

Repeat step 1 for BC or AC

Step-by-step explanation:

7 0

3 years ago

Solve the equation. Round to the nearest hundredth. Show work.

denis-greek [22]

Answer:

Final answer is approx x=-0.66.

Step-by-step explanation:

Given equation is $5^{-2x-1}=4^{4x+3}$ .

Now we need to solve equation $5^{-2x-1}=4^{4x+3}$ and round to the nearest hundredth.

$5^{-2x-1}=4^{4x+3}$

$\log(5^{-2x-1})=\log(4^{4x+3})$

$(-2x-1)\log(5)=(4x+3)\log(4)$

$-2x \log(5)- \log(5)=4x \log(4)+3 \log(4)$

$-2x \log(5) -4x \log(4)=3 \log(4) +\log(5)$

$x=\frac{\left(3\log(4)+\log(5)\right)}{\left(-2\log(5)-4\log(4)\right)}$

Now use calculator to calculate log values, we get:

$x=-0.65817959094$

Round to the nearest hundredth.

Hence final answer is approx x=-0.66.

8 0

4 years ago

In triangle ABC shown, DE || AC. What is the length of AC?

Aliun [14]

Answer:

AC = 20

Step-by-step explanation:

Δ BDE and Δ BAC are similar, so the ratios of corresponding sides are equal, that is

$\frac{AC}{DE}$ = $\frac{BA}{BD}$ , substitute values

$\frac{AC}{8}$ = $\frac{10}{4}$ ( cross- multiply )

4AC = 80 ( divide both sides by 4 )

AC = 20

4 0

3 years ago

Read 2 more answers