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Sphinxa [80]
3 years ago
9

What is subtraction?

Mathematics
2 answers:
Mazyrski [523]3 years ago
5 0
Wen you deduct an amount from something
Inessa05 [86]3 years ago
3 0
Subtraction is part of the early arithmetic. Subtraction pertains to the part of math that involves reducing a sum to a smaller amount. Take this as an example, 7-4=3.
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A 14 inch pizza (diameter is 14) was cut in to 8 pieces. What is the angle measure of each slice? *
Luda [366]

Answer:

The angle for each slice is 45 degrees.

Step-by-step explanation:

In order to calculate the angle of each slice, we first need to calculate the total area of the pizza, because we will use that to find the area of each slice and as a result it's angle. To calculate the area of the pizza we must use:

pizza area = pi*r²

r = d / 2 = 14 /2 = 7 inches

pizza area = pi*(7)² = 153.86 square inches

Since the pizza was divided in 8 pieces, the area of each piece is given by the area of the pizza divided by the number of slices. We have:

slice area = pizza area  / 8 = 153.86 / 8 =19.2325 square inches

Each slice is a circle sector, therefore it's area is given by:

slice area = (angle*pi*r²)/360

Therefore we can solve for angle:

19.2325 = (angle*pi*7²)/360

angle*pi*49 = 6923.7

angle = 6923.7 / pi*49 = 45 degrees

The angle for each slice is 45 degrees.

4 0
3 years ago
Identify whether each phrase is an expression, equation, or inequality.
Oksi-84 [34.3K]

Answer:

We need to see the phrases

Step-by-step explanation:

Show us the phrases

6 0
2 years ago
What is 7 divided by 44​
ipn [44]

Answer:

0.1590909999999001

Step-by-step explanation:

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3 0
3 years ago
Which describes the slope of this line?
Artist 52 [7]
The slope of this line can be described as D. zero slope because there is no upward movement, so there is no slope, so it is zero.

Answer: D. zero slope
6 0
3 years ago
Read 2 more answers
Ham costs $9 for 3 pounds and turkey costs $8 for 2 pounds how much does 4 pounds of ham and 3 pounds of turkey cost?
Montano1993 [528]
12 pounds for ham and 12 pounds for turkey
4 0
3 years ago
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