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3 years ago

Simplify the expression completely.

Mathematics

1 answer:

denis-greek [22]3 years ago

5 0

Answer:

The answer would be 2x^5y^2

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Suppose that y varies directly with x, and y=4 when x=20. find y when x=9

Llana [10]

Answer:

y = 1.8

Step-by-step explanation:

y=kx

4=k(20)

k= $\frac{1}{5}$

When x = 9:

$y=\frac{1}{5} x=\frac{1}{5} (9)\\y=(\frac{9}{5}) = 1.8$

6 0

3 years ago

How to solve this kind of question? <br><br><br> Show steps!

melomori [17]

350 dollars for the kayak + 1.50 for the fee + the 10.23 interest for the three months = 361.73

7 0

3 years ago

Helpp i really neeed it

Marizza181 [45]

Answer:

9 hours

Step-by-step explanation:

If she makes $ 20 for each car, washing 9 cars in 3 hours would get $ 180.

So she will need to work 9 hours 180 + 180 + 180, washing 9 cars in 3 hours and would get $ 540. This is enough to buy her phone and she will have a surplus of $ 120.

In summary she must work 9 hours

Hope this helps you, please give me the brainliest

7 0

3 years ago

Estimate the volumevolume of dalkbox 15 ou inThe estimated volume of the large box is aboutain

jeka57 [31]

The answer is 10 because if you round It Off it will be 5 + 10 equal 15 Sultan is the answer to your question

6 0

3 years ago

Simplify square root of 1008 ( V` Represents the square root sign.)

Alexus [3.1K]

So first factor it
1008=2*2*2*2*3*3*7
group them in similar pairs
1008=(2*2)(2*2)(3*3)*7
now remember we can do
$\sqrt{xy}= \sqrt{x} \sqrt{y}$ so
$\sqrt{1008}= (\sqrt{2*2}) (\sqrt{2*2}) (\sqrt{3*3}) (\sqrt{7})$ =
2*2*3* $\sqrt{7}$ =
12√7

the answer is B

5 0

3 years ago