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Kryger [21]
2 years ago
5

PLEASE HELP ASAP !!!!! I DONT HAVE MUCH TIME

Mathematics
2 answers:
Anna11 [10]2 years ago
7 0

Answer:

The correct answer would be chart A.

Step-by-step explanation:

Alborosie2 years ago
7 0

Answer:

The correct answer is A

Step-by-step explanation:

If you count the tally in each box you would get the answer

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you are riding a bicycle which has tires with a 25-inch diameter at a steady 15-miles per hour, what is the angular velocity of
motikmotik

Answer:

The angular velocity is 6.72 π radians per second

Step-by-step explanation:

The formula of the angular velocity is ω = \frac{v}{r} , where v is the linear velocity and r is the radius of the circle

The unit of the angular velocity is radians per second

∵ The diameter of the tire is 25 inches

∵ The linear velocity is 15 miles per hour

- We must change the mile to inch and the hour to seconds

∵ 1 mile = 63360 inches

∵ 1 hour = 3600 second

∴ 15 miles/hour = 15 ×  \frac{63360}{3600}

∴ 15 miles/hour = 264 inches per second

Now let us find the angular velocity

∵ ω = \frac{v}{r}

∵ v = 264 in./sec.

∵ d = 25 in.

- The radius is one-half the diameter

∴ r = \frac{1}{2} × 25 = 12.5 in.

- Substitute the values of v and r in the formula above to find ω

∴ ω = \frac{264}{12.5}

∴ ω =  21.12 rad./sec.

- Divide it by π to give the answer in terms of π

∴ ω = 6.72 π radians per second

The angular velocity is 6.72 π radians per second

3 0
3 years ago
What is the circumference of a circular swimming pool with a diameter of 6 ½ feet? (use 22 over 7 as pi)
trapecia [35]

Answer:

10.21 feet.

Step-by-step explanation:

circumference of circle with diameter d is given by \pi d

where r is the radius of the circle.

_____________________________

given

diameter = 6 1/2 = 13/2 feet

\thus, circumference of circle is calculated as following

circumference = \pi *13/2 = 22/7 * 13/2\\circumference = 11*13/7*2 = 143/14 = 10.21

Thus, circumference of given circle is 10.21 feet.

5 0
3 years ago
Ralph sold brownies for ​$0.44 a piece in order to earn money to buy baseball cards. If the cards cost ​$0.60 per​ pack, and if
Dima020 [189]
He had to sell 16 brownies
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3 years ago
Long division 4840÷90 help!
coldgirl [10]
53.778 is the answer. I hope this helps and have a good day!
5 0
3 years ago
Mrs. Music bought a dress priced at $98.00. If the sales tax is 6%, what is the total amount she paid for the dress?
daser333 [38]

Answer: $103.88

Step-by-step explanation:

98*0.06=5.88 <--- total tax charged

98+5.88=103.88 <--- add tax to price

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2 years ago
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