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stellarik [79]
3 years ago
10

Celeste wants to have her hair cut and permed and also go to lunch. She knows she will need $68. The perm costs twice as much as

her haircut and she needs $5 for lunch. How much does the perm cost?
Mathematics
1 answer:
fgiga [73]3 years ago
8 0
Total is 68 and the perm is 2 times as much as her haircut and her lunch is $5
so...
2h+h+5= 68 (add like terms)
3h+5 = 68    (subtract 5 from both sides)
      -5   - 5
3h = 63 (divide by 3)
h= 21
so if her haircut is 21 dollars
21*2= $42
her perm cost 42 dollars
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A craftsman makes a circular table with a radius of 55
Rudik [331]

Answer:

Hey mate here is your answer...

Step-by-step explanation:

smaller circular table to be made

with a diameter only half as big... and diameter of big table is (2*55)= 110cm.... So half diameter of big is (110/2)= 55cm

therefore, diameter of smaller table is 55cm and radius of it's (55/2)= 27.5cm

circumference of circle = 2πr

= 2*3.14*27.5

= 172.7 cm = 27.5cm

hope it helps you ❣️

7 0
2 years ago
Ne #3:<br> When I take half of my number and add two, I get twenty-four. What is<br> my<br> number
irga5000 [103]

Answer:

My number will be 44.

Step-by-step explanation:

  1. My number will be divided by 2.
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  • <u>44 divided by 2 = 22</u>
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4 0
3 years ago
Trong một lớp học có $35$ sinh viên nói được tiếng Anh, $25$ sinh viên nói được tiếng Nhật trong đó có $10$ sinh viên nói được c
Reil [10]

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8 0
3 years ago
The diameter of a circle has endpoints (–3, –10) and (4, –6). What is the equation of the circle?
fredd [130]

Answer:

The center of the circle is midpoint of the diameter:

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An equation of a circle:

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r = √65; (-3; 2) ⇒ a = -3 and b = 2

subtitute

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Answer:

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the radius: √65

the equation of the circle: (x + 3)² + (y - 2)² = 65

3 0
3 years ago
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I think it 120 times

Step-by-step explanation:

hope this helps!!!

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