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Law Incorporation [45]
3 years ago
11

If x represents a number,does 2/5 .x always represent 40% of the number

Mathematics
2 answers:
VashaNatasha [74]3 years ago
8 0

Answer:

jskslfbdns sjskkdkdbsbs

Step-by-step explanation:

idk really sorry sksksj lols jsjsjsm

marissa [1.9K]3 years ago
6 0

Answer:

Yes

Step-by-step explanation:

because it is multiplied by 0.4 and you can try placing two diffrent numbers and it will represent 40% of the placed number.

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A box of nails weighs 130 pounds when it is 2/3 full. It weighs 74 pounds when it is 3/8 full. What is the weight of the box?
NeTakaya
Let the weight of the full Volume of nails in the box be W.
Let the weight of the box be B.

2/3 W  + B =  130 ........i          From the first statement.
3/8 W  + B =      74 ......ii         From the second statement.

Equation (i)  Minus (ii)

2/3 W  - 3/8 W + B  - B =  130 - 74
(16W  - 9W) / 24                 = 56

7W / 24  =  56.
W        =  56 * 24 / 7
W        =    192  Pounds.

Substituting V = 64 in equation (i)
2/3 W  + B =  130
2/3 * 192  + B =  130
2 * 64  + B =  130
128  + B =  130
B =  130 -128 = 2.

Therefore, weight of box, B = 2 pounds.

7 0
3 years ago
Helllppppppppppp plsssss
ehidna [41]
No solution because the 8w canceles out snd then it would be 5=4 which is incorrect
8 0
3 years ago
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A science class is tracking the progress of plant growth. The class starts the experiment with a plant five centimeters high. Th
NISA [10]

Answer:

In this equation, the y-intercept (+ 5) represents the original height of the plant. 2x represents the amount of growth multiplied by the number of days, x.

Step-by-step explanation:

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3 years ago
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Select All Expressions That Represent The Area Of The Large, Outer Rectangle.
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Answer:

A, C, and E are your answers

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Step-by-step explanation:

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