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ZanzabumX [31]
3 years ago
14

work out the area of this quarter circle take p2b 3.14 to and read and other digits given by a calculator ​

Mathematics
1 answer:
ad-work [718]3 years ago
4 0

Answer:

Step-by-step explanation:

area of a full circle is A = πr²

so a quarter of a circle area is A = πr²/4

A = 3.142(7²)/4

A = 38.4895 cm²               picture answer

Using π =  3.14 results in

A = 3.14(7²)/4

A = 38.465 cm²                  written question answer

For comparison purposes,

Carrying the precision of π into many more significant digits results in

A = 38.484510006474...cm²

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Marshall has an account balance of<br> -$49.18. Does Marshall owe the bank more or less than $50?
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Read 2 more answers
List all the elements of each set. Set of the values of x that turn equation 0.7(x−7)−4.9=5.7 into a true statement
Paraphin [41]

Answer: 22.14 (22.1428571429)

Step-by-step explanation:

OK

Let's Start with the equation

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Add 4.9 to both sides

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Add 7 to both sides

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3 0
3 years ago
Helpppp!!
Marysya12 [62]
For the experimental probability you must record the data that you collect by flipping your own coin, then you must find the probability of landing on either side. For example, the theoretical probability for the coin toss it will be 50% chance for either side. For the experimental it depends on your own results.

3 0
3 years ago
Try #5/#6 and #7 and if you have a chance can u try to do 8,9,10,11,12&amp;13 it’s ok if u can’t do those just try 5,6,7
Natalija [7]
8. Adjacent and complementary angles are #1 & 2, since they are next to each other and added together equal 90°
9. Vertical angles are # 1 & 4, since they are opposite to each other.
10. Adjacent and supplementary angles are #4&5, since they are next to each other and add up to 180°
11. The acute angles are #1&2&4, since they are all less than 90°
12. The obtuse angles are #5&6, since they are greater than 90°
13. The angle measurements are:
1: 42°
2: 90-#1 = 90-42 = 48°
3: right angle = 90°
4: opposite #1 = 42°
5: 180-#4 = 180-42 = 138°
6. opposite #5 = 138°


btw, we cannot see the diagram for #5,6,7
4 0
3 years ago
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