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amm1812
2 years ago
12

I Need Help Guys , Been in it for 30 minutes

Mathematics
1 answer:
kodGreya [7K]2 years ago
4 0

Answer:

The ratio is 2:3.  10m:15m is the fraction 10/15.  Reduce to 2/3.  The ratio is 2:3.

Step-by-step explanation:

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PLEASE HELP WITH THE PROBLEM ON THE ATTACHED FILE
prisoha [69]

Answer:

6 : 1

Step-by-step explanation:

b - 3a / 9 = a /3

Cross multiply

3(b - 3a) = 9a

Expand

3b - 9a = 9a

Add 9a to both sides

3b = 9a + 9a

3b = 18a

Divide both sides by 3

b = 6a

Ratio of a : b

6 : 1

6 0
2 years ago
A Web music store offers two versions of a popular song. The size of the standard version is 2.8 megabytes (MB). The size of the
Serga [27]

Answer:

Number of high quality version downloads = 880

Step-by-step explanation:

Let,

x be the number of standard version songs downloaded

y be the number of high quality version songs downloaded

According to given statement,

x+y=1600        Eqn 1

2.8x+4.1y=5624     Eqn 2

Multiplying Eqn 1 by 2.8 to eliminate x

2.8(x+y=1600)

2.8x+2.8y=4480     Eqn 3

Subtracting Eqn 3 from Eqn 2

(2.8x+4.1y)-(2.8x+2.8y)=5624-4480

2.8x+4.1y-2.8x-2.8y=1144

1.3y=1144

Dividing both sides by 1.3

\frac{1.3y}{1.3}=\frac{1144}{1.3}\\y=880

Hence,

Number of high quality version downloads = 880

3 0
3 years ago
3643 in scientific notation
Lesechka [4]
3.643 x 10^3
move the decimal in between the first and second number
However many times you move the decimal, that is you exponent.
6 0
3 years ago
*20 POINTS QUESTION OF LIFE OR DEATH
adell [148]

Answer:

Hello There!

~~~~~~~~~~~~~~~~~~`

Your answer would be (D) 15

Hope this helped you! Brainliest would be nice!

( Sorry I would ad the Step-by-step explanation but I'm in a rush!)

5 0
3 years ago
Read 2 more answers
What are the positive factors of -72
kvasek [131]
The positive factor of -72 is [72].
4 0
3 years ago
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