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levacccp [35]
3 years ago
8

Find the area of parallelogram

Mathematics
1 answer:
Alika [10]3 years ago
5 0

Answer:

45m

Step-by-step explanation:

9*5

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can anyone explain the a+b+c or is it a+b=c? i don't know.....can someone please explain it to me? Pls no links
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It’s a plus b equals c
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A plane descends to sea level from 36 comma 400 feet after being airborne for 1 and one half hours. The entire flight time is 3
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Answer:

350 feet per minute

Step-by-step explanation:

The amount of time it took the plane to descend is 3 hours 14 minutes minus 1 hour 30 minutes.

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Dividing 36400 by 104, you get 350 which is the average rate of descent in feet per minute.

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The ratio of the number of boys to the number of girls in a certain school club is 3 to 4. If there are 5 more girls than boys i
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Answer:

so 4 times 5 is 20 girls

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Step-by-step explanation:

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The frequency table shows the results of drawing 20 cards from a bag of 100. There are an
Nezavi [6.7K]
Yellow because yellow is the color that had the most cards in that color.
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3 years ago
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Sarah needs 30 liters of a 25% acid solution how many liters of the 10% and the 30% acid solutions should she mix to get what sh
sweet-ann [11.9K]

Answer:

7.5 L of 10% solution and 22.5 L of 30% solution

Step-by-step explanation:

Volume of 10% solution plus volume of 30% solution = total volume of 25% volume.

x + y = 30

Acid in 10% solution plus acid in 30% solution = total acid in 25% solution.

0.10 x + 0.30 y = 30 × 0.25

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Solve the system of equations, using either substitution or elimination.  I'll use substitution:

x = 30 − y

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3 − 0.10 y + 0.30 y = 7.5

0.20 y = 4.5

y = 22.5

x = 30 − y

x = 7.5

Sarah needs 7.5 L of 10% solution and 22.5 L of 30% solution.

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3 years ago
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