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Oksi-84 [34.3K]
3 years ago
7

A sprinting cheetah covered a distance of 518 meters in 18.5 seconds. If the cheetah ran a constant speed, how fast was it runni

ng
Mathematics
1 answer:
artcher [175]3 years ago
8 0

Answer:

Speed of the cheetah would be 28 m/sec

Step-by-step explanation:

Given:

Distance covered = 518 meters

Time taken = 18.5 seconds

To Find:

Speed of cheetah = ?

Solution:

We are given with the distance and time of the cheetah and we have to find the speed of the cheetah which we can find out by the formula i.e.

Distance = speed * time

Putting in the values

518 = speed * 18.5

Dividing both sides by 18.5

it gives us

518 / 18.5 = speed                               ∴ 18.5 / 18.5 = 1  and 1* speed = speed

28 m/sec = speed

Or Speed = 28 m/sec

Speed of the cheetah would be 28 m/sec

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12-pack for 1.69 is a better buy

<em><u>Solution:</u></em>

Given that, Mike bought a 12-pack for 1.69 and Mary bought a 24-pack for 3.18

We have to find which is the better buy

First we have to find the unit rate

Unit rate is cost of 1 pack

<em><u>Mike bought a 12-pack for 1.69</u></em>

Therefore,

Cost of 12 pack = 1.69

Cost of 1 pack is found by dividing 1.69 by 12

cost\ of\ 1\ pack = \frac{1.69}{12} = 0.14083

Thus unit rate of Mike is 0.14083 dollar per pack

<em><u>Mary bought a 24-pack for 3.18</u></em>

Cost of 24 pack = 3.18

Cost of 1 pack is found by dividing 3.18 by 24

cost\ of\ 1\ pack = \frac{3.18}{24} = 0.1325

Thus unit rate of Mary is 0.1325 dollars

<em><u>On comparing both the unit rate</u></em>

0.14083>0.1325

Thus unit rate of Mike is larger

Thus, 12-pack for 1.69 is a better buy

3 0
3 years ago
Which table represents a linear function?
Brrunno [24]

Answer:

Table C is the answer

Step-by-step explanation:

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3 years ago
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Step-by-step explanation: i don’t know if i wanted to add them together. you j distribute that’s how i got my answer.

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Step-by-step explanation:

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at the school fair, of the people are under 16 years old. one-third of the people are teachers. if there are at least 21 one tea
Diano4ka-milaya [45]
Hello there!

Your correct answer will be 35 people under 16.

You know that 1/3 of the people are teachers, which means that 2/3 of people are left. Now, you need to get to the decimal value (.667). Make that number 1.667, because there will not be less teachers than students. Now, multiply:

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3 years ago
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