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meriva
2 years ago
11

Calculate the area of the shaded region in each figure. Use 3.14 for π and round to the nearest tenth, if necessary.

Mathematics
1 answer:
xenn [34]2 years ago
6 0

Answer:

87.5square centimeters

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What is the simplest form of the expression (–12.7y – 3.1x) + 5.9y – (4.2y + x)?
Doss [256]

Answer:

<h2>-11y - 4.1x</h2>

Step-by-step explanation:

(-12.7y-3.1x)+5.9y-(4.2y+x)\\\\=-12.7y-3.1x+5.9y-4.2y-x\qquad\text{combine like terms}\\\\=(-12.7y+5.9y-4.2y)+(-3.1x-x)\\\\=-11y-4.1x

7 0
3 years ago
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How many 1/5 inch pieces can be cut from a sting 8 inches long
Snezhnost [94]

40 pieces

8/1 : 1/5   = 8/1*5/1   = 40/1  = 40

Another method :

1/5 = 0.2

8/0.2 = 40

5 0
3 years ago
A store has apple on sale for $20.00 for 8 pounds. If an apple is approximately 5 ounces, how manyapples can you buy for $120.00
lubasha [3.4K]

Answer: 24 apples

Step-by-step explanation: $20.00 = 8 pounds and 16 ounces = 1 pound So you can do $120.00 divided by 5 = 24 apples

4 0
3 years ago
A pair of shoes that normally sells for $74.88 goes on sale for 25% off. What is the sale price?
igor_vitrenko [27]

Answer:

$56.16

Step-by-step explanation:

74.88 times 0.75 =56.16

3 0
3 years ago
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The length of a regulation soccer field is 110 meters. The diagonal length of the same soccer field is about 133.14 meters. Abou
dexar [7]

Answer:

D

Step-by-step explanation:

Imagine this as a right angle triangle, where the diagonal length is the hypotenuse, the length is one side, and the width is the other.

We can therefore use Pythagoras' Theorem (or Pythagorean Theorem) to solve. The formula for this is a²+b²=c², where c is the hypotenuse, and a and b are the sides.

We can input the values we know to this formula to get the width. This gives 110²+b²=133.14² or 12100+b²=17 726.2596.

From there subtracting 12100 from both sides gives b²=5626.2596.

Square rooting b isolates it, leaving b=75.0083969.

Since the value of the diagonal was approximate, this can be assumed the b is 75m.

**This content involves Pythagoras' Theorem/Pythagorean Theorem, which you may wish to revise. I'm always happy to help!

8 0
3 years ago
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