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irakobra [83]
3 years ago
7

Jason jogs around a circular track at an average rate of 3 laps in 5 minutes. At this rate, how many laps can Jason complete in

35 minutes?
A. 7
B. 15
C. 21
D. 58
Mathematics
2 answers:
Nata [24]3 years ago
4 0
The answer is C because 35 divided by 5 is 7 and 7 times 3 is 21

You have to see how many groups of 5 can go in 35 and then you multiply the amount of groups with the amount of laps Jason can jog in 5 minutes and you get 21
Alexxandr [17]3 years ago
3 0
C.) 21
Jason will complete 21 laps in 35 minutes.


To solve this, you would have to set up a proportion to find the missing term

3 laps / 5 minutes = “x” laps / 35 minutes

Multiply the numerator of the first fraction (3) by the denominator of the second fraction (35)

3 * 35 = 105

Divide 105 by the denominator of the first fraction (5)

105 / 5 = 21
So... x = 21 laps
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2 years ago
Find the area of the circle. (Take pi 22/7
Vikki [24]

Answer:

1386cm^2.

Step-by-step explanation:

radius of circle=21cm

area of circle(a)=?

we know,

A=pi r^2

=22/7×(21)^2

=1386cm^2

6 0
2 years ago
Please help with these math questions
anastassius [24]
4) x=16
Vertical angles have equal angles when two lines intersect, which they do in this case. 
3x-3=2x+13
Solve for x:
x=16

5) 34 degrees
Lines AK and MJ bisect each other perpendicually, so <ADJ is 90 degrees. 
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Hope this helps :)

6 0
3 years ago
Gavin goes for a run at a constant pace of 9 minutes per mile. Ten minutes later, Lars goes for a run, along the same route, at
sweet [91]

Answer:  The answer is 35 minutes.


Step-by-step explanation:  Given that Gavin goes for a run at a constant pace of 9 minutes per mile and after 10 minutes, Lars started running along the same route, at a constant pace of 7 minutes per mile. We need to find the number of minutes Lars will take to reach Gavin.

In 9 minutes, distance run by Gavin = 1 mile.

So, in 1 minute, distance travelled by Gavin will be

d_G=\dfrac{1}{9}=\dfrac{7}{63}~\textup{miles}.

Similarly,

In 7 minutes, distance run by Lars = 1 mile.

So, in 1 minute, distance travelled by Lars will be

d_L=\dfrac{1}{7}=\dfrac{9}{63}~\textup{miles}.

Now, since Lars started after 10 minutes, so distance run by Gavin in those 10 minutes will be

d_{G10}=\dfrac{10}{9}=\dfrac{70}{63}~\textup{miles}.

Now, difference between Lars and Gavin's rate of runnings is

\dfrac{9}{63}-\dfrac{7}{63}=\dfrac{2}{63}.

Therefore, the time taken by Lars to reach Gavin is given by

t=\dfrac{\frac{70}{63}}{\frac{2}{63}}=35.

Thus, the required time is 365 minutes.  


6 0
3 years ago
What’s the difference between the scientific method and scientific inquiry?
Korvikt [17]

Answer:

Step-by-step explanation:

The scientific method is the construction and testing of a scientific hypothesis and scientific inquiry is different ways in which scientist study the natural world. They propose explanations based on evidence from their work.

Hope this helps

7 0
2 years ago
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