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2 years ago

5

660 is 10 times as much as 600 true or false

1 answer:

shepuryov [24]2 years ago

4 0

The answer to this is false

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The picture below shows a portion of a river dam:

NNADVOKAT [17]

Hello,

If you are starting with the angle of 40 degrees, you have an adjacent side and hypotenuse. Therefore, it is a cosine relationship.

We can write:

cos(40) = adj / hyp
cos(40) = x / 220

To solve for x, simply multiply 220 by the cos(40).
You can write it as: 220 cos(40)

Good luck,
MrEQ

8 0

2 years ago

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Odd numbers greater than -40 but less than -28

AURORKA [14]

-39, -37, -35, -33, -31, -29. Odd numbers are the same just backwards ;)

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3 years ago

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What is the lateral area of the cylinder

nikitadnepr [17]

Picture please!!!!!!!!!!!!!!!!!!!!!!

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2 years ago

Which equation gives the number of 1/4 centimeter that are in 7/8 centimeter?

lesya692 [45]

The answer is B.

remember to use the reciprocal when dividing with fractions

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2 years ago

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Graph the inverse circular function by hand, given f(x) = 3sin(2x) ;-pi/4 ≤ ≤pi/4

nasty-shy [4]

Part a)

a) The given function is

$f(x) = 3 \sin(2x)$

We let

$y = 3 \sin(2x)$

Interchange x and y.

$x= 3 \sin(2y)$

Solve for y;

$\frac{x}{3} = \sin(2y)$

$y = \frac{1}{2} { \sin}^{ - 1}( \frac{x}{3} )$

${f}^{ - 1}(x) = \frac{1}{2} { \sin}^{ - 1}( \frac{x}{3} )$

Part b) The range of f(x) refers to y-values for which f(x) exists.

The range of f(x) is

$- 3 \leqslant y \leqslant 3$

This is because the function is within y=-3 and y=3.

c) The range of

${f}^{ - 1} (x)$

is

$- \frac{ \pi}{4} \leqslant y \leqslant \frac{\pi}{4}$

The domain is -3≤x≤3

This is because the domain and range of a function and its inverse swaps.

Part d) The graph is shown in the attachment.

3 0

3 years ago