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umka21 [38]
3 years ago
13

What is the area of a sector with a central angle of 2π9 radians and a diameter of 20.6 mm? Use 3.14 for π and round your answer

to the nearest hundredth.
Mathematics
1 answer:
sleet_krkn [62]3 years ago
7 0
The answer to this is 37.01
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A rectangular prism has a length of 6in, a height of 10in, and a width of 11in. What is its volume, in cubic in?
Vaselesa [24]

Answer:

660 cubic inches

Step-by-step explanation:

Volume = length x width x height

Volume = 6 x 11 x 10

Volume = 660 cubic in

7 0
3 years ago
Simplify the difference. (7w2 – 7w – 8) – (5w2 + 2w – 3)
tamaranim1 [39]

Answer:

2w2-5w-11 just subtract the second set of numbers from the first but it has to be like terms such as anything that is squared would only be applicable to another term with that is squared. a term is any group of number separated by a plus or a minus but it is not a term if it is separated by a multiplication symbol or a division symbol

5 0
2 years ago
ILL GIVE BRAINLY HELP 20 POINTS!!!
sesenic [268]

Answer:

13.6

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
How i can do this step by step <br>If y= (x+3)^2, then (-2x-6)^2
zhenek [66]
(-2x-6)^2=(-2(x+3))^2=(-2)^2\cdot(x+3)^2=4(x+3)^2=4y
3 0
3 years ago
4. The Bulldog Theater charges $9.10 for each adult ticket and $7.75 for each student ticket. Mrs. Williams purchased 7 tickets
zhuklara [117]

Answer:

Two adult tickets and 5 student tickets

Step-by-step explanation:

Let a=adult tickets   Let s=student tickets

You know that each adult ticket is $9.10 and each student ticket cost $7.75. At the end, it cost $56.95 for both students and adults so the first equation should be 9.10a+7.75s=56.95. To get the second equation, you know that Mrs. Williams purchased 7 tickets in total that were both students and adults. Therefore, the second equation should be a+s=7. The two equations are 9.10a+7.75s=56.95

a+s=7.

Now, use substitution to solve this. I will isolate s from this equation so the new equation should be s=-a+7. Plug in this equation to the other equation, it will look like this 9.10a+7.75(-a+7)=56.95. Simplify this to get 9.10a-7.75a+54.25=56.95. Simplify this again and the equation will become 1.35a=2.70. Then divide 1.35 by each side to get a=2. This Mrs. Williams bought two adult tickets. Plug in 2 into a+s=7, it will look like this (2)+s=7. Simplify this and get s=5. This means Mrs. Williams bought five adult tickets. Therefore she bought 2 adult tickets and 5 student tickets.

Hope this helps

4 0
3 years ago
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