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3 years ago

????????????????????????

Mathematics

1 answer:

Luda [366]3 years ago

3 0

He is affected because you divide the number of days a week by the number of hours and you get 3 and so 3*3=9 so he lost 9 hours :( poor Alex...

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Adrian spends $238 on a DVD. If he buys 18 DVD,s approximately how much money will he spend in all?

bija089 [108]

Answer:

Adrian would spend exactly $4,284.

Step-by-step explanation:

Multiply the cost by the number of products purchased:

$238 x 18 = $4,284

Have a good day :)

7 0

3 years ago

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Nathan has three pieces of wood the first is 9.8 feet in length the second is 7.5 feet in length and the third is 12 feet in len

MA_775_DIABLO [31]

Answer:

17.7

Step-by-step explanation:

5 0

2 years ago

What is the volume of the portion of the sphere in which the students' favorite color is red? Round your answer to the nearest t

Finger [1]

Answer:

.28

Step-by-step explanation:

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3 years ago

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Please answer! this is an important exam that im taking right now.

Scorpion4ik [409]

Answer:

Required ordered pair is (0,0) for system of equation

Step-by-step explanation:

The given system of equation is

A). $9^{12x} = 9^{3y}$

B). $y^{4} - 9y^{2} x^{2} =16y$

On simplifying the equation A

$9^{12x} = 9^{3y}$

Take log on both side,

(12x) (log9) = (3y) (log9)

4x=y

To find the solution of the system of the equation :

Replacing value of y=4x in equation B,

$y^{4} - 9y^{2} x^{2} =16y$

$(4x)^{4} - 9(4x)^{2} x^{2} =16(4x)$

$256x^{4} - 144x^{2} x^{2} =64x$

$256x^{4} - 144x^{4}=64x$

$112x^{4}=64x$

We get,

x=0 and x=0.829

Since, 0.829 is not integer number

Only solution of equations is x=0

For the value of y

Replace value x in y=4x=0

Thus, Required ordered pair is (0,0)

8 0

3 years ago

Last week you worked 20 hours, and earned $255.

Marrrta [24]

Answer:

Answer:$12.75

Answer:$12.75Step-by-step explanation:

The hourly pay rate is $12.75 because all you have to do is divide $255 from 20 and you get $12.75

6 0

2 years ago