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Bond [772]
3 years ago
7

Choose the correct simplification of the expression of 7x2(6x + 3x2 - 4).

Mathematics
2 answers:
Mars2501 [29]3 years ago
8 0
Parenthesis first
=7*2(6x+6-4)
=7*2(12x-4)
=7*2*8x
solve
=14*8x
=112x
jolli1 [7]3 years ago
7 0
-28 x^2 + 42 x^3 + 21 x^4 is your Answer
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kotykmax [81]

Answer:

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5 0
3 years ago
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The value of y varies inversely as the cube of x and y=1 when x=6. Find the value of y when x =2.
ch4aika [34]

Answer:

y=27 when x=2

Step-by-step explanation:

y varies inversely as the cube of x

y=k(1/X^3)

y=1 when x=6

y=k(1/X^3)

1=k(1/6^3)

1=k(1/216)

k=1÷1/216

K=1×216/1

k=216

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y=k(1/X^3)

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y=216(1/8)

y=216/8

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3 0
3 years ago
PLEEEEEEEAAAAAAAAAASSSSSSSSSEEEEEEE a wee this quickly<br>How did he get answer A
Simora [160]

Answer:

To get answer A,  Dave took 47*5 = 235

Step-by-step explanation:

There are 147 containers that contain 5 gallons each.  We need to multiply to find the total number of gallons.

total number of gallons = containers * number of gallons per container

                                       = 147* 5 gallons per container

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To get answer A,  Dave took 47*5 = 235

6 0
4 years ago
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An aquarium holds 56. 25 gallons of water. It has a length of 2 feet and a height of 2. 5 feet. What is the volume of the aquari
GaryK [48]
Wouldn’t it just be 56.25 bc it holds that much bc v=l x w x h and there is no height
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3 years ago
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