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Sedaia [141]
4 years ago
12

Moses added two thirds of a number and one fifths of the same number to get a result of 39. What is the number?

Mathematics
2 answers:
Svetradugi [14.3K]4 years ago
7 0

Answer:

45

Step-by-step explanation:

Let the number be X.

So 2/3 of a number would be (2/3)x and 1/5 of the same number would be (1/5)x.  Therefore, (2/3)x+(1/5)x=39.  Next, you combine like terms by converting the fractions: (10/15)x+(3/15)x=39.  Now, you add the fractions.  (13/15)x=39.  Lastly you divide both sides by 13/15 or multiply both sides by 15/13.  x=45.  That number would be 45.  

<u>If you would like to check</u>, you would do 2/3(45) or 90/3 which is 30 and do 1/5(45) or 45/5 which is 9.  30+9=39

Novosadov [1.4K]4 years ago
5 0

Ma’am your answer will be 45 I hope I helped you thank you for your time
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If u subtract 1/2 from a number and multiply the result by 1/2, u get 1/8, what is the number. please help whoever answers corre
Anvisha [2.4K]

Answer:

3/4

Step-by-step explanation:

Let the unknown number be x.

Subtract 1/2 from the unknown number: x - 1/2

Multiply the result by 1/2: 1/2(x - 1/2)

You get 1/8: 1/2(x - 1/2) = 1/8

Now we solve the equation for x.

1/2(x - 1/2) = 1/8

Multiply both sides by 2.

2 * 1/2(x - 1/2) = 2 * 1/8

x - 1/2 = 1/4

Multiply both sides by 4

4x - 4 * 1/2 = 4 * 1/4

4x - 2 = 1

Add 2 to both sides.

4x = 3

Divide both sides by 4.

x = 3/4

Answer: The number is 3/4.

5 0
3 years ago
Solve for x and y. Round to the nearest tenth.
Alik [6]
X = 10

the two sides are congruent and you know that by finding the other angle 90+45= 135
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y= 14.1

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6 0
3 years ago
Which side of coordinates does NOT represent a function?
Doss [256]

Answer:The last one

Explanation:

A function has to return a unique value when given an argument. In the last set

} ( – 2 , 1 ) , ( 3 , – 4 ) , ( – 2 , – 6 )}

, the argument -2 is supposed to return both 1 and -6 : this is not possible for a function.

Step-by-step explanation:

8 0
3 years ago
AWNSER FOR 99 POINTS!What is the volume of the pyramid? A. 2470 cm3 B. 4940 cm3 C. 7410 cm3 D. 14,820 cm3
fgiga [73]
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5 0
3 years ago
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tatyana61 [14]

Answer:

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I hope I helped you^_^

3 0
3 years ago
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