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2 years ago

At a carnival, Jim gets to spin a prize wheel. It has a radius of 1 foot. What is the prize wheel's area?

Mathematics

1 answer:

Amanda [17]2 years ago

7 0

Answer:

Step-by-step explanation:

pi*r^2=area

1*1=1

1*3.14=3.14

the area is pi itself

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Which is the best first step when solving the following system of equations? x + y = 3. 4 x minus y = 7. Multiply the first equa

Kryger [21]

Answer:

Multiply the first equation by 4.

Step-by-step explanation:

4(x+y=3) which gives

4x+4y=12

and

4x-y=7

Then subtract the two equations and the x variable will be eliminated.

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2 years ago

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The scale drawing of a rectangular oty park measures 10.0 cm by 50 cm

satela [25.4K]

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2 years ago

Plzzz hurry up and help me if A+B=45<br>prove that <br>(1+tanA)(1+tanB)=2

Solnce55 [7]

Answer:

see explanation

Step-by-step explanation:

If A +B = 45° then tan(A+B) = tan45° = 1

Expanding (1 + tanA)(1 + tanB)

= 1 + tanA + tanB + tanAtanB → (1)

Using the Addition formula for tan(A + B)

tan(A+B) = $\frac{tanA+tanB}{1-tanAtanB}$ = 1 ← from above

Hence

tanA + tanB = 1 - tanAtanB ( add tanAtanB to both sides )

tanA + tanB + tanAtanB = 1 ( add 1 to both sides )

1 + tanA + tanB + tanAtanB = 2

Then from (1)

(1 + tanA)(1 + tanB) = 2 ⇒ proven

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2 years ago

ASAP RIGHT NOW NEW FOR ME

dlinn [17]

Answer:8m+20

Step-by-step explanation:

U have too add the perimeter than multiple area

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2 years ago

a rectangular jewelry box cost $125 to gold plate. calculate the cost of gold plating a box which is similar in shape and that h

Wewaii [24]

The cost of plating a rectangular jewelry box is $125, the cost of plating a similar box that is 8 times the size will be given by:
Cost=(scale factor)*(price)
Cost=125×8
Cost=$1000
Answer:$1000

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2 years ago