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jarptica [38.1K]
4 years ago
9

Convert 18% to a fraction in lowest term

Mathematics
1 answer:
Lemur [1.5K]4 years ago
3 0

Answer:

\frac{9}{50}

Step-by-step explanation:

This is the answer because:

1) 185 equals to \frac{18}{100} because 18% is equal to 0.18 which is \frac{18}{100}

2) \frac{18}{100}  to it's lowest terms is \frac{9}{50}

3) It's lowest terms is  \frac{9}{50} because 18/2 is 9 and 100/2 is 50

4)  \frac{9}{50} can't be simplified any further because 9 and 50 don't have any common factors

Hope this helps! :D

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In a volcano, erupting lava flows continuously through a tube system about 20 kilometers to the sea. Assume a lava flow of 0.5 k
butalik [34]

Answer:

40 hours

Step-by-step explanation:

Lets take "x" as the # of hours it takes the lava to reach the sea

since there is a lava flow of 0.5 kilos per hour

we will multiply "x" with 0.5

0.5x

now the tube system is 20 kilometers long

this means that at a rate of 0.5 kilos per hour the lava will reach the sea once it is 20 kilometers deep

so

0.5x=20

divide "0.5" by both sides to eliminate the coefficient

\frac{0.5x}{0.5} =\frac{20}{0.5}

x=40

it will take 40 hours for the lava to reach the sea

Hope this helps!

3 0
3 years ago
Help please <br> Hurry!!!!
Alex787 [66]
C I know I took test
7 0
3 years ago
The equation y = 0.002x - 0.30 can be used to determine the approximate cost, y in dollars, of producing x items. How many items
ArbitrLikvidat [17]

Answer:

193650

Step-by-step explanation:

Since the cost must be no more than 387$, you can substitute that number instead of y to get 387 = 0.002x - 0.30. you can add 0.30 to both sides to get 387.3 = 0.002x

Then you can divide both sides by 0.002 to get 387.3/0.002 = 193650

5 0
3 years ago
You have worked as a guide at the aquarium for two summers. This summer you have been offered the job again, but with a 4 percen
olga nikolaevna [1]

Answer:

More earn this summer per month = $30 more

Entire summer earning (for 2.5 months) = $1950

Step-by-step explanation:

For 2.5 months, you got 1875 dollars, so per month salary is:

1875/2.5 = $750 per month

This summer, you got a 4% raise, that means:

4% = 4/100 = 0.04

The raise is:

0.04 * 750 = $30 raise

So, new monthly salary is:

750 + 30 = $780

So, assuming you will work 2.5 months again this summer, you total earnings would be:

2.5 * 780 = $1950

8 0
3 years ago
4x + 2y=4 and 3x -y= -7
Molodets [167]

Answer:

y =  4

x = -1

Step-by-step explanation:

4x + 2y = 4     Eq. 1

3x - y = -7       Eq. 2

from the  Eq. 2

3x = y - 7

3x + 7 = y        Eq. 3

Replacing the value of the Eq. 3 in the Eq. 1

4x + 2(3x+7) = 4

4x + (2*3x + 2*7) = 4

4x + (6x + 14) = 4

10x + 14 = 4

10x = 4 - 14

10x = - 10

x = -10/10

x = -1

from the Eq. 3

3x + 7 = y

3*-1 + 7 = y

-3 + 7 = y

4 = y

Check:

from the Eq. 1

4x + 2y = 4

4*-1 + 2*4 = 4

-4 + 8 = 4

5 0
2 years ago
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