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amid [387]
3 years ago
10

a driver won a recent race with a record average of about 200 mph. This record is about 2 3/11 times the average speed of the fi

rst driver ever to win this race many years ago. What was the average speed of the first driver to win this race?
Mathematics
1 answer:
Oksi-84 [34.3K]3 years ago
5 0
Answer:
300
——
11

Step-by-step solution

200/2*3/11
100*3/11
300/11

300/11 or 27 3/11 or 27.27

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If X = 16 feet and Y = 8 feet, what is the area of the figure above ? Use 3.14 for pi .
Setler [38]

Answer:

A

Step-by-step explanation:

You can probably figure out the rectangle of 16 by 8 so no explaining there. 16×8=128. You know that diameter of the cirkel is equal to y so 8. The diameter of a cirkel is two times its radius. so 8=2r. r=4. The area of a cirkel is calculated by the formula \pi×r^2. Fill in r=4 in \pi×r^2 gives us \pi×4^2=16\pi. You only have half of the cirkel so 16\pi/2=8\pi. 128+8\pi=153.12 which is A.

5 0
3 years ago
A hockey puck has a diameter of 3 inches and rolls on its edge for 24 rotations. How far did it roll before falling flat?
scoundrel [369]

Find the circumference of the puck using circumference = pi x diameter

Circumference = 3.14 x 3 = 9.42 inches.

For every rotation the puck would travel 9.42 inches.

Now multiply y by 24 rotations:

9.42 x 24 = 226.08 inches.

Answer: 226.08 inches

4 0
3 years ago
Help plz consider the sequence {4,6,8,10...}Find the explicit formula that defines the sequence. A) an = 2n + 2 B) an = 2n + 4 C
Alex777 [14]

A

this is an arithmetic sequence whose n th term ( explicit formula) is

a_{n} = a_{1} + (n - 1 )d

where d is the common difference and a_{1} the first term

here d = 10 - 8 = 8 - 6 = 6 - 4 = 2 and a_{1} = 4, hence

a_{n} = 4 + 2(n - 1 ) = 4 + 2n - 2 = 2n + 2 → A


8 0
3 years ago
Someone please answer this!!
Lunna [17]

Answer:

I only jnow the mean is 100.4 if this is wrong I’m so sorry!

Step-by-step explanation:

5 0
3 years ago
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Are the two cylinders similar? The diagrams are not drawn to scale. (2.8, 12.5)
VARVARA [1.3K]

Answer:

ya

Step-by-step explanation:

they are both cylinders

im not smart

5 0
3 years ago
Read 2 more answers
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