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vitfil [10]
2 years ago
12

Use any method to add or subtract 5/7 {3/14+3/14}

Mathematics
1 answer:
OlgaM077 [116]2 years ago
4 0

Answer:

15/49

Step-by-step explanation:

5/7 (3/14 + 3/14)

first combine like terms

3/14 + 3/14 = 6/14

then simplify by 2

6/14 to 3/7

now that both the term inside and outside have the same denominator, multiply

5/7 x 3/7 = 15/49

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What is the value of x in the diagram? A circular pool with a diameter of 18 ft will have a uniform 4 ft concrete walkway poured
Lunna [17]
If you visualize the problem, there are two concentric circles, the pool, and the pool plus the walkway. So, we have to subtract the area of these two concentric circles to find the walkway.

Bigger circle: Pool plus walkway
----------------------------------
diameter = 18 + 4(2)   -- this is because there is 2 ft of walkway at each far end
diameter = 26 ft
Area = pi*(26/2)^2
Area = 530.93 ft2

Smaller circle:pool
---------------------
diameter = 18 ft
Area = pi*(8/2)^2
Area = 50.27 ft2

Area of walkway
----------------
A = 530.93 - 50.27
A = 480.66 ft2

Then the cost would be
Cost = $4.25 * 480.66
Cost = $2,042.81
8 0
3 years ago
I need help in this question
tiny-mole [99]

Answer:

C. 12/15

Step-by-step explanation:

2/3, 6/9, and 18/27 all simplify to 2/3. 12/15 does not.

8 0
2 years ago
What is the measure of each angle in the circle?<br><br> 30°<br> 90°<br> 72°<br> 60°
klio [65]

Answer:

72°

Step-by-step explanation:

The circle is divided into 5 parts.

A circle measures 360°.

360/5 = 72°

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6 0
2 years ago
Read 2 more answers
Write 7/14 • (-7/12) in lowest terms
Marizza181 [45]
The final answer should be -49/168.
3 0
3 years ago
Which expression is the same as 15 of 7? CLEAR CHECK 15×17 5÷7 7÷5 17 of 5
yaroslaw [1]

Answer:

15/7

Step-by-step explanation:

15/7

15 of 7 is the same as 15 out of 7, or 15/7

<em>I hope this helps! :)</em>

8 0
3 years ago
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