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mrs_skeptik [129]
3 years ago
11

Which expression is equivalent to 5y^3/(5y)^-2​

Mathematics
1 answer:
Serggg [28]3 years ago
6 0

Answer:

5^3  y^5

125 y^5

Step-by-step explanation:

5y^3/(5y)^-2​

Distribute the exponent in the denominator

5y^3/(5 ^-2 y^-2)

A negative exponent in the denominator brings it to the numerator

5y^3 5 ^2 y^2​​

Combine like terms

5 * 5^2  * y^3 5^2

We know that a^b * a^c = a^(b+c)

5^(1+2) * y^( 3+2)

5^3  y^5

125 y^5

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I need some help with this question :/
Masteriza [31]
You have one of the answers correct. The fraction 4/8 is equal to 1/2

Other answers are: 5/10, 10/20, and 6/12

If you reduced each of those fractions, you'd get to 1/2. 

You can use a calculator to find that
4/8 = 0.5
1/2 = 0.5
5/10 = 0.5
10/20 = 0.5
6/12 = 0.5
All fractions mentioned lead to the same decimal value, so this confirms all of the fractions are equivalent to one another.
7 0
3 years ago
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the length of rectangle exceeds its breadth by 4 cm if the length and breadth is increased by 3 cm the area of the new rectangle
gizmo_the_mogwai [7]

Answer:

The length and breadth are 14 cm and 10 cm

3 0
2 years ago
I need help plz plz ​
Reptile [31]
It is 1/3 have a great day !!
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3 years ago
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100 envelopes cost you .70 what would 250 envelopes cost you
kobusy [5.1K]
250/100 = 2.5
2.5*7 = 1.75
$1.75

Hope this helped!
8 0
3 years ago
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Garth has a summer job and earns $9.32 per hour. One week, he works 16 34 3 4 hours. He deposits $150 in a bank and decides to u
trasher [3.6K]

Answer:

762 raffle tickets

Step-by-step explanation:

16×9.32= 149.12

34×9.32= 316.88

3×9.32= 27.96

4×9.32= 37.28

add them all up= 531.24

531.24-150=381.24

381.24÷.50=762.48

answer: 762 raffle tickets

5 0
2 years ago
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