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oksano4ka [1.4K]
3 years ago
12

How to convert 0.39 into a fraction?

Mathematics
2 answers:
Marta_Voda [28]3 years ago
6 0
1)\ \ 0,39= \frac{39}{100}\\ \\2)\ \ 0,(39)=x\\ \\x=0,393939...\ /\cdot100\\100x=39,393939...\\ \\100x-x=39,393939...-0,393939...\\ \\99x=39\ /:99\\\\ x= \frac{39}{99} \\ \\x= \frac{39:3}{99:3} \\ \\x= \frac{13}{33}
Serjik [45]3 years ago
4 0
Times it by 100 so you get 39.39/100 and then take off 1/100 which is 0.39 so your answer is 39/99 which you can then cancel down to 13/33. Hope this helps :)
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a gallon of unleaded gasoline weighs about 6 pounds. about how many ounces does 1 quart of unleaded gasoline weigh?
kobusy [5.1K]
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6 0
3 years ago
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Find the Least Common Multiple (L.C.M) and Highest Common Factor (H.C.F) of 20 and 30.​
Archy [21]

Answer:

LCM: 60

HCF: 10

Step-by-step explanation:

Listing Multiples

LCM:

Multiples of 20:

20, 40, 60, 80, 100

Multiples of 30:

30, 60, 90, 120

Therefore,

LCM(20, 30) = 60

----------------------------------------

Factorization

HCF:

The factors of 20 are: 1, 2, 4, 5, 10, 20

The factors of 30 are: 1, 2, 3, 5, 6, 10, 15, 30

Then the greatest common factor is 10

8 0
3 years ago
1/3D + 10 = 3/5 d<br> Solve pls
ryzh [129]

Answer:

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10 = 3D/5 ÷ D/3

10 = 3D/5 × 3/D

(btw there is no cross cancleing, just straight up multiply.)

<u>next</u>

10 = 9D/5D

cancel the 10 and 5D to make 10 to 2, and 5d to D.

Next, cancel both the D's (the 9d and the d (the d becomes 1 which is  just 9 over nothing. translates to just a simple 9.))

there is a 2 on the opposite side of the 9, so bring it under 9. so 9/2

then divide to get 4.5

4.5 is the answer!

Mark me brainliest if it is correct!

8 0
3 years ago
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77julia77 [94]
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6 0
3 years ago
Help! <br> Show your work pls ^^<br> |<br> |<br> |<br> v
lianna [129]

Answer:

B. 12.25 cm^2

Step-by-step explanation:

Formula for area of trapezoid is:

A = \frac{a+b}{2} * h <u>where a and b is the bases and h is the height</u>

A = \frac{2.4 +4.6}{2} * 3.5 <u>We plug in the numbers</u>

A = 12.25 cm^2

3 0
3 years ago
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