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QveST [7]
3 years ago
12

Shirley is going to have her home painted. Tim"s painting charges $250 plus $14 per hour. Colorful paints charges $22 per hour.

How many hours would the job need to take for Tim's painting to be a better deal?
Mathematics
1 answer:
Advocard [28]3 years ago
5 0

It would take greater than 31.25 hours for Tim's price to be better. So in terms of whole hours it would take at least 32 hours of work for Tim's price to be better.

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Help me to answer this pls​
nlexa [21]

Problem 1

x = measure of angle N

2x = measure of angle M, twice as large as N

3(2x) = 6x = measure of angle O, three times as large as M

The three angles add to 180 which is true of any triangle.

M+N+O = 180

x+2x+6x = 180

9x = 180

x = 180/9

x = 20 is the measure of angle N

Use this x value to find that 2x = 2*20 = 40 and 6x = 6*20 = 120 to represent the measures of angles M and O in that order.

<h3>Answers:</h3>
  • Angle M = 40 degrees
  • Angle N = 20 degrees
  • Angle O =  120 degrees

====================================================

Problem 2

n = number of sides

S = sum of the interior angles of a polygon with n sides

S = 180(n-2)

2700 = 180(n-2)

n-2 = 2700/180

n-2 = 15

n = 15+2

n = 17

<h3>Answer: 17 sides</h3>

====================================================

Problem 3

x = smaller acute angle

3x = larger acute angle, three times as large

For any right triangle, the two acute angles always add to 90.

x+3x = 90

4x = 90

x = 90/4

x = 22.5

This leads to 3x = 3*22.5 = 67.5

<h3>Answers:</h3>
  • Smaller acute angle = 22.5 degrees
  • Larger acute angle = 67.5 degrees
4 0
2 years ago
The graph of a system of linear equations is shown below. What is the solution of the system?​
Iteru [2.4K]

Answer: (2,2)

Step-by-step explanation:

It is where the two lines intersect.

7 0
3 years ago
Joel earns 1500 per month. if he spends 375 on rent each month what percent of his income does he has
Harman [31]
He still has 75% of his income left because 1500/375=4 so he spent 1/4 of his check and has 3/4 left.
8 0
3 years ago
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Estimate the sum to the nearest whole number <br><br> 29.1 +78.9 + 41.5
lesya692 [45]

I rounded each number to the nearest whole number and added those.

29 + 79 + 42 = 150

If you add the original numbers you would get 149.5, which rounds to 150.

6 0
3 years ago
Read 2 more answers
The figure shows two rectangles. Which expression represents the area of the shaded region? 16x2   34x2 54x2 88x2
JulsSmile [24]
Im sorry if this is late but the answer is 34x2. goodluck :D
9 0
3 years ago
Read 2 more answers
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