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kkurt [141]
3 years ago
6

5x-15=50 (Show your work)

Mathematics
2 answers:
Crank3 years ago
7 0
Add 15 to both sides:
5x-15+15=50+15
5x=65

Divide both sides by 5
5x÷5=65÷5
x=13
Zigmanuir [339]3 years ago
3 0
5x - 15 = 50
Add 15 to both sides
5x = 65
Divide both sides by 5
x = 13

Hope this helped :)
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Find the measure of one interior angle in each regular polygon. round your answer to the nearest 10th if necessary.
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Answer:

140 degree or Answer D

Step-by-step explanation:

140 degrees is the answer for a Nonagon

8 0
2 years ago
This is what I meant on my last question. sorry​
Zigmanuir [339]

Answer:

its C

Step-by-step explanation:

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hana paid 1,200 for the carpet in her living room. the room has an area of 251.2 square feet. what was her unit cost of carpetin
rosijanka [135]
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3 years ago
Sophie and Simon are peeling a pile of potatoes for lunch in the cafeteria. Sophie can peel all the potatoes by herself in 45 mi
tensa zangetsu [6.8K]
Short Answer: 18 minutes
Remark

The answer to this problem is less than the smallest time of the two people working together. that fact lets out C and D (38 minutes and 75 minutes). Now you have to choose 15 minutes and 18 minutes. There's a method. No guessing needed.

Givens
Let the time for Sophie = S
Let the time for Simon = M
Let the job to completion = 1 
S = 45 minutes
M = 30 minutes

Step One
Convert minutes to hours.
45 minutes = 45 / 60 = 3/4 hour = 0.75 hour
30 minutes = 30 / 60 = 1/2 hour = 0.50 hour

Step Two
Set up the Equation
The formula is a form of job / hour.
Let the time = t that they both have to work

job = 1 in these problems.
1/S + 1/M = 1/t
1/0.75 + 1/0.5 = 1/t

Solve
1 ÷ 0.75 = 1.33333
1 ÷ 0.5 = 2

1.3333 + 2 = 3.33333 
3.3333 = 1 / t                    Multlply both sides by t
3.3333*t = 1
t = 1 / 3.333333333
t = 0.3 of an hour


1 hour = 60 minutes
0.3 hours = x              Cross Multiply
x = 60 * 0.3
x = 18 minutes

Answer working together it took them 18 minutes  <<<<< 
6 0
3 years ago
Read 2 more answers
Howard is designing a chair swing ride. The swing ropes are 55 meters long, and in full swing they tilt in an angle of 29? . How
Allushta [10]

Answer: 50.85 meters

<u>Step-by-step explanation:</u>

cos 29 = \frac{55}{h}

55 cos 29 = h

48.10 = h

Pole  = h + 2.75

        = 48.10 + 2.75

         = 50.85

3 0
3 years ago
Read 2 more answers
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