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Kipish [7]
2 years ago
15

Show how to change a fraction to a repeated decimal

Mathematics
1 answer:
Assoli18 [71]2 years ago
3 0

Answer:

Look at the explanation for answer.

Step-by-step explanation:

So suppose the fraction is 3/9

Just divide:

3 ÷ 9 and you get 0.3333333, and the 3's repeat

that's a repeating decimal

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What is the unit rate of 5/7 : 4/7?
allochka39001 [22]

9514 1404 393

Answer:

  a = 5/4

Step-by-step explanation:

To make the second number in this ratio be 1, you need to multiply the whole ratio by 7/4:

  (7/4)(5/7) : (7/4)(4/7) = 5/4 : 1 = a : 1

  a = 5/4

6 0
3 years ago
What would the answer be for this equation 7x/20 - 5x/12
polet [3.4K]

Answer:

\frac{1}{15} x

Step-by-step explanation:

\frac{7x}{20}  -  \frac{5x}{12}

\frac{3 \times 7x}{3 \times 20}  -  \frac{5 \times 5x}{5 \times 12}

\frac{21x}{60}  -  \frac{25x}{60}

\frac{21x - 25x}{60}  = (21 - 25)x =  - 4x

\frac{ - 4x}{60}  =  -  \frac{ x}{15}

\boxed{\green{=  \frac{1}{15} x}}

4 0
2 years ago
It takes the earth 24 h to complete a full rotation. It takes Mercury approximately 58 days, 15 h, and 30 min to complete a full
Nastasia [14]
It takes Mercury <span>approximately 58 days, 15 h, and 30 min to complete a full rotation..

We are going to write the time not in days, hours and minutes, but only hours.

This means that we have to write 58 days as hours and 30 minutes as hours.



1 day is 24 hours, so 58 days are

58*24=(50+8)*(20+4)=50*20+50*4+8*20+8*4=1,000+200+160+32

=1,200+192=1,392  (hours)


60 minutes are 1 hour, so 30 minutes are 0.5 hours.



Thus


</span>58 days, 15 h, and 30 min are (1,392+15+0.5) hours = 1,407.5 hours



Answer: 1,407.5 hours
6 0
3 years ago
Ms. Boucher has a cactus at home that grows 4.5 centimeters (cm) every week. It is now 12 cm. In how many weeks will it reach 48
Lisa [10]

Answer:

1. 4.5x

2. 4.5x+12=48

3. x=8

Step-by-step explanation:

4.5(8)+12=48

36+12=48

48=48

5 0
2 years ago
Read 2 more answers
Can you help me with #4 and #6 PLLLLZZZZZZZ
NARA [144]
I don’t know if it’s totally right but it should be 3(3k+1)(k+7) that’s for #4
6 0
3 years ago
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