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nadya68 [22]
3 years ago
7

Math Help!

Mathematics
2 answers:
AnnyKZ [126]3 years ago
3 0
Area = πr² = π(8)² = 201.06 in²

Answer: 201.06 in²
Rufina [12.5K]3 years ago
3 0
Hello :)

A= (pi) r^2

A= (pi) 8^2

A= (pi) 64

Answer: approximately 201.06

Hope this helps and have a great day!
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Determine the length (to 1 decimal place) of the arc that subtends an angle of 2.8 radians at the centre of a circle with radius
victus00 [196]

Answer:

33.6 cm

Step-by-step explanation:

We can use the formula for arc length to solve this.

s=r\theta

Where

s is the arc length

r is the radius

\theta is the angle subtended by the arc (in radians)

<u />

<u>The problem gives us theta = 2.8 radians and radius of the circle as 12 cm. We plug these into the formula and figure out the arc length (to 1 decimal place):</u>

s=r\theta\\s=(12)(2.8)\\s=33.6

2nd answer choice is right.

4 0
3 years ago
What is z?<br> Z/100= 6/4
baherus [9]

Answer:

z = 150

Step-by-step explanation:

6 0
2 years ago
Read 2 more answers
Rewrite <br> 6 3/4<br> as an improper fraction.
IceJOKER [234]

Answer:

27/4

Step-by-step explanation:

To find the answer, all you would need to do is multiply the denominator by the whole number and add the numerator. And so if you multiply the denominator (4) by the whole number (6) , and add the numerator (3) , you will get the answer: 27/4

7 0
3 years ago
Read 2 more answers
What is the sum of -2-(-17)
AlladinOne [14]

Answer: Hi!

Remember, when you're subtracting a negative, that's equal to adding a positive. So -2-(-17) is actually equal to -2 + 17!

-2 + 17 = 15

The expression -2-(-17) is equal to 15.

Hope this helps!

8 0
3 years ago
Read 2 more answers
Need some help on my math
SashulF [63]

Answer:

2 and 9/10

Step-by-step explanation:

3 1/2 as an improper fraction is 7/2

7/2-3/5=2 9/10

7 0
3 years ago
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