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Ksju [112]
3 years ago
6

Claire can run 100 meters in 17 seconds. What is her speed in meters per second?

Mathematics
1 answer:
Olegator [25]3 years ago
5 0
100/17 = 5.88 meters per second
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A bicycle wheel travels 321 in for each revolution. What is the radius of the wheel ​
Sliva [168]

Answer:

51.1 ≈ r

Step-by-step explanation:

"A bicycle wheel travels 321 in for each revolution"- means that 321 is the circumference of the wheel that is a circle.

C = 2· π· r

What is the radius of the wheel ​?

321 = 2· π· r, divide both sides of the equation by 2 π

(321/2·π) = r , use calculator, solve and round the answer

51.1 ≈ r

4 0
2 years ago
Javier rode his bike for a total of 40 minutes. The number of minutes he rode after lunch is 4 times the number of minutes he ro
Greeley [361]

Javier rode his bike for a total of 40 minutes.

Let x be the minutes Javier ride after lunch

Let y be the minutes Javier ride before  lunch

The number of minutes he rode after lunch is 4 times the number of minutes he rode before lunch

x = 4 y

The number of minutes he rode after lunch + number of minutes he rode before lunch = 40

x + y = 40

We know x= 4y

4y + y = 40

5y = 40

y = 8

x= 4y so x= 4(8) = 32

Javier ride  32 minutes after lunch

7 0
3 years ago
Find the output, h, when the input, x, is -18 <br><br>h=17+x/6
Elis [28]

Answer:

h=14

Step-by-step explanation:

h=17+x/6

x=-18

h=17+-18/6

h=17+-3

h=17-3

h=14

If this has helped you please mark as brainliest

5 0
2 years ago
Find the real solutions of the following equation.<br> If K= x + 1/x-1 <br> and k^2- k=20, find x.
ser-zykov [4K]
X
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First one……..
4 0
3 years ago
What does it mean for a number to be irrational?
Stels [109]

And irrational number is a number than cannot be written as a simple fraction.

Two good examples of irrational numbers are PI and the square root of 2. These numbers have never-ending decimals, and their decimals never repeat.

5 0
3 years ago
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