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Juliette [100K]
3 years ago
8

What is x? x + 5 = 9. Pretty easy points to score.

Mathematics
1 answer:
lisabon 2012 [21]3 years ago
5 0
X+5=9
subtract 5 from each side
x=4
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The area of a ferris wheel is about 154 square meters. Which of the following is closest to the length of one of the spokes? [As
babunello [35]

Answer:

The length of one of the spoke is 7 m

Option C is correct answer.

Step-by-step explanation:

Area of Ferris Wheel = 154 square meters.

We need to find  the length of one of the spokes.

We are given: Assume  the spokes go from the centre to the edge of the Ferris wheel.

So, We are given area of circle and we need to find radius of circle.

The formula used is: Area\:of\:circle=\pi \:r^2

Putting values and finding radius

Area\:of\:circle=\pi \:r^2\\154=3.14\:r^2\\r^2=\frac{154}{3.14}\\r^2=49\\Taking\:square\;root\\\sqrt{r^2}=\sqrt{49}\\r=7\:m

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Option C is correct answer.

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3 years ago
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sineoko [7]

Answer:

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2/7 × (-7/9) in decimal form
Ipatiy [6.2K]

Answer:  -\frac{2}{9}\quad \left(\mathrm{Decimal:\quad }\:-0.22222\dots \right)

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\frac{2}{7}\left(-\frac{7}{9}\right)

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To buy both the green and the blue bikes would cost $1500. To buy the green and red bikes would cost $750. To buy all three bike
Aleksandr-060686 [28]
Green = g
Blue = b
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now substitute the answers fro. b and r into the final equation.

g+b+r = 2000
g + 1500-g + 750-g = 2000
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g = 250

So we k own the green bike is $250.

Blue = 1500- g
blue = 1500-250= $1250

red = 750-g
red = 750-250 = $500
4 0
3 years ago
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Use a calculator to find the given value. Round to four decimal places.
KiRa [710]

After using a calculator to find sin 21 degrees and rounding it to four decimal places, I got 0.3584. The correct answer between all the choices given is the first choice. I am hoping that this answer has satisfied your query and it will be able to help you in your endeavor, and if you would like, feel free to ask another question.

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