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RideAnS [48]
3 years ago
10

A rectangle measures 3 inches by 4 inches. If the lengths of each side double,what will its area be

Mathematics
1 answer:
qaws [65]3 years ago
5 0

6x8= 48 inches

3 doubled=6

4 doubled=8

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If f(x) = -4x + 2 and g(x) = sq root X – 8,<br>what is (fºg)(12)?​
Anettt [7]

Answer:

(fog)(12)=-6

Step-by-step explanation:

Recall that the notation: (fog)(12) is the same as: f(g(12)) which means the value of the function f when you give it as input the value obtained by evaluating g(12).

Therefore, we need to start finding what g(12) is using the definition :

g(x)=\sqrt{x-8} and evaluating it as x = 12.

g(x)=\sqrt{x-8}\\g(12)=\sqrt{12-8}\\g(12)=\sqrt{4}\\g(12)=2

So now we use this answer "2" as input for f(x):

f(x)=-4x+2\\f(2)=-4(2)+2\\f(2)=-8+2\\f(2)=-6

Therefore, (fog)(12)=-6

3 0
3 years ago
What is 2,200x in scientific notation?
strojnjashka [21]
Answer: 2.2x * 10^3
You would have to move the decimal place 3 times for 2.2x to get 2,200x, thus you get 10^3.

Hope this helps!

5 0
3 years ago
The length of a rectangle is four times its width. if the perimeter of the rectangle is 80yd, find its length and width.
Vedmedyk [2.9K]
The length is 8. the width is 32. 

32(2) = 64

8(2) = 16

64+16 = 80 

So the length would be 8 and the width would be 32 since it's 4 times the length.

Hope this helped!
6 0
3 years ago
Read 2 more answers
Latoya's annual salary is $26,000. A total of $7352.24 will be deducted for taxes and health insurance. She will receive her pay
Anna71 [15]

Step-by-step explanation:

Lets translate this word problem into math.

"Latoya's annual salary is $26,000" = We start with the number 26,000

"A total of $7352.24 will be deducted for taxes and health insurance" = It's the number we started with "deducted" (minus) 7352.24

"She will receive her paycheck monthly in 12 equal installments" = Our number will be divided by 12

"How much will she get paid with each paycheck?" = "Find answer pls thx"

To put it all together...

\frac{26,000-7,352.24}{12}

Now all we have to do is solve!

\frac{26,000-7,352.24}{12}

  • Subtract.

\frac{18,647.76}{12}

  • Divide.

1,553.98

Answer:

Latoya will get paid $1,553.98 with each paycheck.

7 0
2 years ago
Find the following trigonometry values <br> cos (150*) = ? <br> sin (150*) = ?
melisa1 [442]

Answer:

See below in bold.

Step-by-step explanation:

cos 150 = - cos(180 - 150)

= - cos 30

= -√3/2.

sin 150

= sin (180 - 150

= sin 30

= 1/2.

4 0
3 years ago
Read 2 more answers
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