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ikadub [295]
3 years ago
11

Please help please please please

Mathematics
1 answer:
Iteru [2.4K]3 years ago
4 0

Answer:


Step-by-step explanation:

40 degrees, then 40/360

40/360 is equal to 1/9

1/9 times pi times times r^2  

just find r and multiply all together, thats my best answer cause my IQ is like 60

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There are exactly 2.54 centimeters in 1 inch. When using this conversion factor, how many significant figures are you limited t
IgorC [24]

Significant figures tells us that about how may digits we can count on to be precise given the uncertainty in our calculations or data measurements.

Since, one inch  = 2.54 cm.

This is equivalent as saying that 1.0000000.. inch = 2.540000... cm.

Since the inch to cm conversion doesn't add any uncertainty, so we are free to keep any and all the significant figures.

Since, being an exact number, it has an unlimited number of significant figures and thus when we convert inch to cm we multiply two exact quantities together. Therefore, it will have infinite number of significant figures.

5 0
3 years ago
13
Sunny_sXe [5.5K]

Answer: A 13.4

Step-by-step

a^2 + b^2= c^2 4^2 + b^2 = 14^2 16+ b^2= 195 b^2= 180 b= square root of 180 b= 6 square root of 5 or 13.42

7 0
3 years ago
Ray cuts out a figure that has 4 equal sides and no right angles. What is the best name for the figure ?
Karolina [17]
C. Rhombus

Because it has 8 sides
7 0
3 years ago
If the simple interest on 3,000​$ for 3 years is ​450$​, then what is the interest​ rate?
Artyom0805 [142]

Answer/Step-by-step explanation:

The interest rate is 15% for every 3 years. To find the interest rate subtract the money from the total. Then, divide the total from the difference. Now subtract the quotient from 100 and multiply it by 100 to fin the percentage.

3000 - 450 = 2550

2550 ÷ 3000 = 0.85

100 - 0.85 = 0.15

0.15 x 100 = 15%

4 0
3 years ago
Can anyone answer this?
Alona [7]

Answer:

Because the triangle is isosceles, the base angles are congruent. Since the sum of angles in a triangle is 180° we can write:

24 + x + x = 180

24 + 2x = 180

2x = 156

x = 78°

8 0
3 years ago
Read 2 more answers
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