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Vesnalui [34]
3 years ago
11

Help pls pls pls pls

Mathematics
1 answer:
Nana76 [90]3 years ago
5 0

Step-by-step explanation:

as with any division of a multiplication of various factors, we can always simplify by reducing the factors in the top and the bottom of the same base.

in the same way we can for example do

36×2⁶×3⁴×5² / 4×2⁵×3³×5²

and deal with every exponent base individually creating

9×2¹×3¹×5⁰ = 9×2×3

we can do with variable based exponents.

24a⁸b⁸c⁶ / 8a⁷b³c³ =

= 3a¹b⁵c³

you know, when we divide, we simply subtract exponents.

8-7, 8-3, 6-3

and the constants are simply divided 24/8 = 3

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Problem PageQuestion It takes an older pump twice as long to drain a certain pool as it does a newer pump. Working together, it
umka2103 [35]

Answer:

It will take 6 hours for the new pump to drain the pool.

Step-by-step explanation:

As the complete question is not given, the complete question is found online and is attached herewith

Let the rate of new pump is given as x=W/t_1

Let the rate of the old pump is given as y=W/t_2

it is given that the time t_2=2t_1

So by substituting the values of t_2 in the rate equation of y

y=W/2t_1

y=(W/t_1*2)=x/2

Also the total rate of both the pumps is given as W/t3 where t3 is given as 4 hours so the equation becomes

x+y=W/4

x+x/2=W/4

3x/2=W/4

As x=W/t_1

3W/2t_1=W/4

Now as W is same on both sides so

3/2t_1=1/4

12=2t_1

t_1=6 hours

So it will take 6 hours for the new pump to drain the pool.

7 0
3 years ago
A line has a slope of 3, is increasing, and passes through the point (2,7). What is its y-intercept?
Anna71 [15]
The y-intercept is 1
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3 years ago
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A dressmaker needs to cut 18-inch pieces of ribbon from rolls of ribbon that are 6 feet in length. How many 18-inch pieces can t
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4 0
1 year ago
A certain solution of salt water is 10% salt and weighs 50 pounds. more salt must be added to produce a solution that is 25% sal
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Answer

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Step-by-step explanation:

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