Roscoe has a circular carpet in his office. She wants to put a circular table in middle of the carpet. The diameter of the carpet is 24 meters and the diameter of the table is 8 meters. Calculate how much area of carpet is left after putting the table in place?

Answers

Answer 1

Answer: Area of the table :
$\pi$ $4^(2)$ =
50.3
Area of the Carpet :
$\pi$ $12^(2)$ =
452.39
Remaining Area :
452.39 - 50.3 =
402 $m^(2)$

Answer 2

Answer: so find the areas and subtract
area=pi times radius^2
radius=1/2diameter

carpet d=24
carpet r=24/2=12
carpet area=pi times 12^2=144pi

table d=8
carpet r=8/2=4
carpet area=pi times 4^2=16pi

so we subtract
144pi-16pi=128pi
answer is 128pi m^2
if aprox pi to 3.14 then
128 times 3.14=401.92 m^2

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A new automobile company will manufacture 36 cars every month. It will first fill anoverseas order for 15 cars and will send the rest to showrooms in New York.
Let m represent the number of months and c represent the total number of cars sent
to New York.

Answers

Answer:

c = 21m

Step-by-step explanation:

In m months,

36m cars will be manufactured

And 15m will be sent overseas

c = (36 - 15)m

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Sasha drove from her house to the grocery store in 20 minutes. Her return trip took 15 minutes. If the store is 7 miles from her house, what was Sasha's average speed for the round trip, in miles per hour?

Answers

Total time = 35 minutes
Total distance = 14 miles

I would set this up as a proportion

14/35 = x/60 (60 minutes in an hour)
Now cross multiply and solve.
35x = 840
840/35 = 24 mph

distance = rate * time
7 miles = rate * 20 minutes
7/20 = 20r/20
r = 0.35 mph

A chair that cost $210 was reduced by 40% for a one day sale after the sale, the sale price was increased by 40% what is the price of the chairEnter

Answers

The price of the chair afterwards was $176.40. You take $210 and multiply it by .40 and get $84. Then you subtract it from 210 and get 126. Then take 126 multiply it by .40 and get $50.40 then you add it back to the $126 and get $176.40

The best way to find percent is to use proportion. After using proportion your answer would probably be 84$. Remember the percent always goes over 100. so u would put 40 over 100 and 210 under n which is the part you don't know.

Michelle has some stamps, her sister has half as many stamps as she does. they have 1080 stamps in all. How many stamps does Michelle have?

Answers

540 stamps i think i am not 100% sure

Is 19cm, 12cm, and 9cm a obtuse?

Answers

I believe not, has to be more than 90° and less than 180°.

Manny made 4 pizzas to share among himself and 6 friends How much pizza will each person get?

Answers

Well in maths terminology for sharing is dividing:

4 pizzas' ÷ 6 friends
Slight algebra form 4p÷6f ⇔ equation
↑
= 1.2
I don't know how this is possible but each friend got one and a 1/2 pizzas'
Hope this helps :)

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