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bogdanovich [222]
3 years ago
15

Find the area of a sector that has a central angle of 40 and a radius of 2 cm. Round your answer to the nearest 100th. Use 3.14=

Mathematics
1 answer:
Aneli [31]3 years ago
6 0
I think the answer is around 1.4 as you need to multiply the area by 1/9 after finding the real area. 
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What are the x-intercepts of the function f(x) = -2x2 – 3x + 20?
Murljashka [212]

Answer:

the interception of the function will be equals -2x+5 And x-4

I guess

4 0
2 years ago
Help plz will mark brainliest :)​
avanturin [10]

Answer:

c

Step-by-step explanation:

subtract b from both sides

divide by x

5 0
2 years ago
) Sarah donated one-tenth of her salary to an orphanage, one-third of her salary is spent on food, one-fourth of salary on rent
AleksAgata [21]

Answer:

₹ 4000

Step-by-step explanation:

Sarah's salary =₹ 30000

  • one-tenth of her salary to an orphanage= 1/10*₹ 30000= ₹ 3000
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  • one-fourth of salary on rent and electricity =1/4*₹ 30000= ₹ 7500
  • one-twentieth of her salary on the telephone= 1/12*₹ 30000= ₹ 2500
  • donated some amount to the Prime Minister's relief fund = x
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x= ₹ 30000- (₹ 3000+₹ 10000+₹ 7500+₹ 2500+₹ 3000)= ₹ 4000

8 0
2 years ago
Lonna uses 8.2 pints of blue paint and white paint to paint her bedroom walls. 2 5 of this amount is blue paint, and the rest is
vova2212 [387]

Answer:

the number of pints of blue paint did she use for painting her bedroom walls is 1.875 pints

Step-by-step explanation:

The computation of the number of pints of blue paint did she use for painting her bedroom walls is shown below:

= Total pint × blue paint

= 7.5 × (1 - 3 ÷ 4)

= 7.5 ×  1 ÷ 4

= 1.875 pints

Hence, the number of pints of blue paint did she use for painting her bedroom walls is 1.875 pints

5 0
3 years ago
A bicycle tire has a radius of 13.25 inches. How far will the bicycle travel in 40 rotations of the tire?
Effectus [21]

Answer:

it will travel 69 feet on the bike

Step-by-step explanation:

8 0
2 years ago
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