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Free_Kalibri [48]
3 years ago
11

3/4×-18=1/4×-4 help me slove

Mathematics
2 answers:
Natalija [7]3 years ago
7 0

Answer:

x=28

Step-by-step explanation:

3/4x-18-1/4x=1/4x-4-1/4x

2/4x (1/2x) -18=-4

2/4x-18+18=-4+18

2/4x=14

1/2x=14

x=28




WINSTONCH [101]3 years ago
3 0

3/4 x -18 = 1/4 x -4

subtract 1/4 x from each side

3/4 x -1/4 x -18 = 1/4 x- 1/4 x -4

2/4 x - 18 = -4

add 18 to each side

1/2 x -18 + 18 = -4 + 18

1/2 x =14

multiply by 2 on each side

2* 1/2 x = 14 * 2

x =28

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Answer:

Volume of the mold is 6.93\ \text{yards}^3.

Step-by-step explanation:

The volume of the mold is 186 cubic feet concrete. It is to be sold by cubic yard. It means that we need to convert cubic feet to cubic yard.

1 feet = 0.334 yards

186\ \text{feet}^3=186\times (0.334\ \text{yards})^3\\\\V=6.93\ \text{yards}^3

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3 years ago
The circumference of a circle measures 22π units. Find the number of square units in the area of the circle. Express your answer
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Answer:

A = 11²/{4π}

Step-by-step explanation:

The circumference equation is C = 2πr.  Thus, r = C / (2π), and:

         C²                                                   (22π)²          2²11²π²             11²  

r² = ----------     so, if C = 22π units, r² = -------------- = ---------------- = -------------

       (2π)²                                                    (2π)^4        (2π)²(2π)²       (2π)²

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or  r² = ---------------

         

The area equation for a circle is A = πr² which here is π·11²/(2π)²

This reduces to 11²/{4π}

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3 years ago
If n = 5.3 cm and p = 6.25 cm, what is the measure of angle ?
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Answer:

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Step-by-step explanation:

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3 years ago
What is the value of x?
Novay_Z [31]

Answer:

Step-by-step explanation:

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8 0
3 years ago
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