Given f(x) = sin x and g(x) = cos x, find f(g(pi/2)) = 0. show all steps.

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Answer 1

Answer: Heya !

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Kevin can travel 22 1/2 miles in 1/3 hour. what is his average speed in miles per hour?
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Kim works as a salesperson for a photo studio. To find her earnings for the week, she multiples his total sales by 0.175. Her sales for the week of October 10 total $2,507.47. What did she earn for the week? (Round your answer to the nearest cent.)A. $438.81
B. $449.83
C. $880.60
D. $388.06

Answers

To get the earning for the week you have to do this:
0.175 * the total sales

The total sales are: $2,507.47

So no multiply:
0.175 * 2,507.47 = 438.80725

Now, round it to the nearest hundredth to get your answer:
$438.81 ( A )

Maria bought several post stamps and paid one dollar. There are stamps costing five cents, two cents, and one cent in the post office. She bought 10 times as many one-cent stamps as two-cent stamps, while the rest of the stamps she bought were five-cent stamps. How many one-cent stamps did Maria buy?

Answers

Maria bought 50 one-cent stamps.

(01.03) A box has dimensions of 17 inches long, 1.3 feet wide, and 8 inches high. What is the volume of the box? The formula for the volume is V = l ⋅ w ⋅ h. (1 point) 2121.6 cubic inches (in3) 176.8 cubic inches (in3) 14.7 cubic inches (in3) 1.2 cubic inches (in3)

Answers

we know that

the volume of a rectangular prism is equal to

$V=L*W*H$

where

L is the length of the box

W is the width of the box

H is is the height of the box

in this problem we have

$L=17\ in$

$W=1.3\ ft$

$H=8\ in$

Convert $1.3$ feet to inches

we know that

$1$ feet is equal to $12$ inches

$1.3*12=15.6\ inches$

$W=15.6 in$

Find the volume

$V=17*15.6*8$

$V=2,121.6\ in^(3)$

therefore

the answer is

$2,121.6\ in^(3)$

Convert 1.3 ft to inches which is 15.6in

then multiply all measurements using the volume formula which is L•W•H

17 * 15.6 * 8 = 2121.6 cubic inches

A car has a maximum speed of 341.7 feet/second. Convert this speed to miles/hours.

Answers

341.7 feet per second = 232.98 miles per hour (rounded)

Just multiply measure in ft/s by 0.6818 to get mi/h

341.7 x 0.6818 = 232.97 mi/h

What is x2-4x=2x+24 equal to 0

Answers

make equal to zero
x^2-4x=2x+24
minus 2x both sides
x^2-4x-2x=24
minus 24
x^2-6x-24=0
comlpete the square
isolate x^2 and x term
(x^2-6x)-24=0
take 1/2 of -6 and square it (-6/2=-3 (-3)^2=9) and add to both sides inside parethaes
(x^2-6x+9)-24=9
factor perfect square
(x-3)^2-24=9
add 24 both sides
(x-3)^2=33
sqrt both sides
x-3=+/-√33
add 3 to both sides
x=3+/-√33

x=3+√33 or 3-√33

Need a little help on this :)

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Answer:

Step-by-step explanation:

Have A Great DAY!!!

Answer:

D. Charles, John, Thomas, Yurly

Step-by-step explanation:

I started by finding the greatest jump- Yurly. Since you have to order the names from least to greatest, Yurly would be last. Option D is the only option where Yurly is last, therefore option D would be the only possible correct option.

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