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Y_Kistochka [10]
3 years ago
9

After John worked at a job for 10 years, his salary doubled. If he started at $x, his salary after 10 years is _____. $1/2x $x +

2 $x - 2 $2x
Mathematics
1 answer:
dlinn [17]3 years ago
3 0
2X is the answer. I am sure.
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the length of a rectangular sign is 5 times its width. If the sign's perimeter is 24inches, what is the signs area
anastassius [24]

Answer:

20 square inches

Step-by-step explanation:

Set width of sign to x.

Set length of sign to y.

5x=y

2(x+y)=24 inches

2(x+5x)=24 inches

12x=24 inches

width = 2 inches

length = 10 inches

Area = 20 square inches

PLEASE GIVE BRAINLIEST

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3 years ago
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PtichkaEL [24]

The answer is 7 3/4 inches.

I noticed the word "train" in the problem and I knew I had to help you! :)

6 0
3 years ago
Anyone please help me i'm not sure how to do this and please give clear instructions
rewona [7]
-10= 7X - 42
-10 + 42 = 7X
32 = 7X
X = 32/7
X = 4.57
7 0
3 years ago
Which of the following statements best describes the value of the expression 2x + 12, when x = 3?
Lapatulllka [165]
The answer to the equation is 18 which is a composite whole number. the answer is C
4 0
3 years ago
Read 2 more answers
One long-distance company offers a plan such that each minute costs $0.10 and each call has a $0.25 service
gladu [14]

Answer:

<em>y=0.10(t)+0.25 </em>

<em>27 minutes and 30 seconds </em>

Step-by-step explanation:

We know that you start with 25 cents as a service fee, this is for making the call. For each minute you talk, 10 cents are added. Multiply the number of minutes spent by 10 cents a minute for the cost based on the call. Then add the 25 cents service fee.

If you talked for 5 minutes:

y=0.10(5)+0.25

y=0.50+0.25

y=0.75

75 Cents

For three dollars, you would plug in 3 for y

3.00=0.10(t)+0.25

-0.25            -0.25

2.75=0.10(t)

divide both sides by 0.10 to get

27.5=t

You can talk for 27 minutes and 30 seconds

27 minutes

<u>Hope this helps :-)</u>

3 0
3 years ago
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