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3 years ago

10

Please help !! find the volume

1 answer:

RoseWind [281]3 years ago

6 0

It’s 102in sorry if I’m late to answer

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Rewrite with only sin x and cos x. <br><br> sin 3x

xeze [42]

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cos(2\theta)=
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sin(3x)\implies sin(2x+x)\implies sin(2x)cos(x)+cos(2x)sin(x)$

$\bf 2sin(x)cos(x)cos(x)~+~[cos^2(x)-sin^2(x)]sin(x)
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\stackrel{like~terms}{\stackrel{\downarrow }{2sin(x)cos^2(x)}~~+~~\stackrel{\downarrow }{sin(x)cos^2(x)}}-sin^3(x)
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8 0

3 years ago

Solve each inequality and graph its solution. Can you guys solve all three please. This is do soon so please help!

mart [117]

<h2>Hi ☘</h2>

1-A 2-A 3-B

$- 104 \geqslant - 8b - 8$

put -8 near -104

$- 104 + 8 \geqslant - 8b$

$- 96 \geqslant - 8b$

b will be alone.

$\frac{ - 96}{ - 8} \geqslant \frac{ - 8b}{ - 8}$

$b \geqslant 12$

Answer A

$3m - 7 > - 4$

$3m > - 4 + 7$

$3m > 3$

$\frac{3m}{3} > \frac{3}{3}$

$m > 1$

Answer A

İf

$m \geqslant 1$

The answer would be D

But answer A

$- 4x + 4 > - 16$

$16 + 4 > + 4x$

$20 > 4x$

$\frac{20}{4} > \frac{4x}{4}$

$x < 5$

Answer B

<em><u>We</u></em><em><u> </u></em><em><u>learnt this</u></em><em><u> </u></em><em><u>way in Turkey</u></em><em><u>.</u></em>

3 0

3 years ago

Use the scale drawing and the scale factor to enlarge a square that has a side length of 12 in. Scale factor= 3 in:2m.

podryga [215]

Given:

The side of square = 12 in.

Scale factor of enlargement = 3 in : 2 m

To find:

The proportion that is use to solve the side length, x, of the enlarged square.

Solution:

Let, the side of length of enlarged square = x m

In case of enlargement the corresponding sides are proportional.

$\dfrac{3}{12}=\dfrac{2}{x}$

$3x=2\times 12$

$3x=24$

Divide both sides by 3.

$x=\dfrac{24}{3}$

$x=8$

Therefore, the required proportion is $\dfrac{3}{12}=\dfrac{2}{x}$ and the side length of the square after enlargement is 8 m.

4 0

3 years ago

What is the measure of angle A?

fgiga [73]

Answer:

∠A=65º

Step-by-step explanation:

A angle of a line is 180º, so we can say that angle ABC=(180-6x)º
The interior angkes of a triangle is 180º, so (x+40)º+(3x+10)º+(180-6x)º=180º
Remove parenthesis, x+40+3x+10+180-6x=180
Combine like terms, -2x+230=180
Subtract 180, -2x=-50
Divide by -2, so x=25

Now:

∠CAB=(25+40)º=65º
∠ABC=[180-6(25)]º=30º
∠BCA=[3(25)+10]=85º

5 0

3 years ago

Diona told me to get this app to solve my math problems,what is 10 + 10 Jean can't help because she's doing other stuff :,)

elena55 [62]

Answer:

20

Step-by-step explanation:

10 + 10

= 20

Just add units place first.

0 + 0 = 0

Then tens place.

1 + 1 = 2

So the number,

=> 20

5 0

3 years ago