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Anna [14]
3 years ago
10

Help me out pleaseeeeee

Mathematics
2 answers:
elixir [45]3 years ago
8 0
Is it the first one?
marin [14]3 years ago
7 0

Answer:

A

Step-by-step explanation:

LCM of 5 and 3 is 15

thus, denominator is 15

2/5 = 2x3/5x3 = 6/15

1/3 = 1x5/3x5 = 5/15

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5 times what equals 8
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Step-by-step explanation:

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Copper has a density of 8.9 g/cm A copper necklace has a volume of 396 cm”.
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3524.4 g

Step-by-step explanation:

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7 0
3 years ago
A store sell 5 bundle of firewood for $ 40 .which equation could be used to find the total cost c if a customer wants to buy 3 b
dimaraw [331]

that firewood be expensive tho

4 0
3 years ago
While traveling to the office, dolly drives her car at a speed of 60 kmph and then suddenly the car stopped on half of her dista
lisabon 2012 [21]

The average speed of Dolly is 33.33kmph.

Average Speed:

The average speed is defined as the total distance travelled by the object in a particular interval of time. It can be calculated by dividing the total distance travelled by the total time taken.

So, Average Speed = total distance / total time

Here,

Let the total distance is 100 km.

Therefore, consider she will travel 60 km at speed of 60 kmph , 30 km at speed of 30 kmph and 10 km at speed of 10 kmph.

she will required times of 1 hour, 1hour and 1hour

So,

Average speed = 100 / (1 + 1 + 1)

=> 100 / 3 = 33.33

To know more about Average speed here

brainly.com/question/12322912

#SPJ4

6 0
2 years ago
Pens cost $2.70.<br><br> What is the cost per pen?
muminat

Answer:

1.70$

Step-by-step explanation:

5 0
3 years ago
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