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3 years ago

Cleqslant%20%20%5Ctimes%20%20%5Cleqslant%20%20%7C%20" id="TexFormula1" title="obtain the fourier expansion for sin ax in the interval - | \leqslant \times \leqslant | " alt="obtain the fourier expansion for sin ax in the interval - | \leqslant \times \leqslant | " align="absmiddle" class="latex-formula">

Mathematics

1 answer:

Norma-Jean [14]3 years ago

4 0

I really do not get it . It’s this a question ? If so can you be a little more specific .

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Cone a and cone b both have a height of 5 in. The volume of cone a is 20.9cubic in, the volume of cone b is 4 times the volume o

Greeley [361]

Answer: two times

Step-by-step explanation:

Given

height of cone A and B $h_a=h_b=5\ in.$

The volume of cone A $V_a=20.9\ in.^3$

The volume of cone B is 4 times of cone A

the volume of a cone is $\frac{1}{3}\pi r^2h$

The volume of cone A

$V_a=\dfrac{1}{3}\pi r_a^2h_a=20.9\quad \ldots(i)$

The volume of cone B

$V_b=\dfrac{1}{3}\pi r_b^2h_b=4\times 20.9\quad \ldots(ii)$

divide (i) and (ii) we get

$\Rightarrow \dfrac{r_a^2}{r_b^2}=\dfrac{1}{4}\\\Rightarrow \dfrac{r_a}{r_b}=\sqrt{\dfrac{1}{4}}=\dfrac{1}{2}\\\Rightarrow \dfrac{d_a}{d_b}=\dfrac{1}{2}\\\Rightarrow d_b=2d_a$

thus, diameter of cone B is twice the diameter of A

4 0

3 years ago

What is the mathematic answer to this problem 10 x 6 tens

Ymorist [56]

Answer:

600

Step-by-step explanation:

6 tens = 60 So... 10 times 60= 600

8 0

4 years ago

Bill drove from Washington DC to Charlotte in 6.5 hours. What was his average speed in miles per hour?

jolli1 [7]

If you search it up, the distance from Washington DC to Charlotte is 404.9 miles.

The formula for speed is distance divided by time. We can easily do that with this equation:

404.9 / 6.5 = 62.2923077, or about 63 miles per hour.

5 0

4 years ago

What is the answer to <br> |5+(-4)|

Brilliant_brown [7]

Answer:

your answer is 1 you have to evaluate

hope this helped

Step-by-step explanation:

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3 years ago

Read 2 more answers

Geometry, please answer question ASAP

Rus_ich [418]

Answer:

Step-by-step explanation:

since BD and BC are congruent, angle C and angle D are equal. this means 6x-9=3x+24. If you solve this equation you get x=11. If you plug it into either 6x-9 or 3x+24 you get 57. 180-(57+57)=66

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3 years ago