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Helga [31]
3 years ago
6

6. Two joggers start at the same time from opposite ends of a 10 km course. One jogger is running at 6 km/hr and the other is ru

nning at 10 km/hr. How long after they start will they meet?​
Mathematics
1 answer:
Luda [366]3 years ago
5 0

Answer:

In this problem, we are basically finding the LCM of the two numbers.

LCM means the smallest common multiple of two or more numbers.

For example, the LCM of 5 and 10 would be 10, because 5 can go into 10.

Another example would be the LCM of 9 and 6. The answer would be 18, because both numbers can go into 18 and that is the smallest it can go.

Step-by-step explanation:

So, in this problem, we are finding the LCM of 10 and 6.

The LCM of 10 and 6 would be 30.

If you thought it was 60, you are correct, but the two numbers have a smaller similarity.

10: 10, 20, 30, 40, 50, 60.

6: 6, 12, 18, 24, 36, 42, 48, 54, and 60.

As you can see, 30 is the best choice to pick.

Hope this helps and have an amazing day!

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What is the unit rate for 768.57 m 41.1 h? Enter your answer, as a decimal, in the box.
Cerrena [4.2K]
Use the cross multiplication method. 768.57 over 41.1= x/1                                     768.57 times 1=768.57    41.1 times x=41.1x       768.57/41.1=x      x=18.7            18.7mph


5 0
3 years ago
Read 2 more answers
Solve for c.<br> 5c + 2c = 14
klio [65]

Answer:

c=2

Step-by-step explanation:

7c=14

c=14/7

c=2

3 0
4 years ago
The height of a flagpole is one-quarter of the height of a bridge.
DedPeter [7]

Answer:

the height of the flagpole is three fourths the height of the school. the difference in there heights is 4.5 m. what is the height of the school?

----------

Equation:

f = (3/4)s

s-f = 4.5

----

Substitute for "f" and solve for "s":

s-(3/4)s = 4.5

 

(1/4)s = 4.5

s = 4*4.5

s = 18 meters (height of the school)

---------------

Since f = (3/4)s, f = (3/4)(18)

= (3/2)(9)= 13.5 meters (height of the flag pole)

===============================-step explanation: HOPE THIS HELPS

6 0
4 years ago
Read 2 more answers
I need help finding the whole question, i'm not sure if what i've done already if correct, thanks
artcher [175]
Median of 15

(14 + b) / 2 = 15
14 + b = 15 * 2
14 + b = 30
b = 30 - 14
b = 16

range of 30
 c - a = 30....c = 30 + a

mean of 18
(a + 8 + 14 + 16 + 26 + c) / 6 = 18
(a + 8 + 14 + 16 + 26 + (30 + a)) / 6 = 18
(2a + 94) / 6 = 18
2a + 94 = 18 * 6
2a + 94 = 108
2a = 108 - 94
2a = 14
a = 14/2
a = 7

c - a = 30
c - 7 = 30
c = 30 + 7
c = 37

check..
7,8,14,16,26,37
median = (16 + 14) / 2 = 30/2 = 15 ...correct
range = 37 - 7 = 30...correct
mean(average) = (7 + 8 + 14 + 16 + 26 + 37) / 6 = 108/6 = 18...correct

so a = 7, b = 16, and c = 37

3 0
3 years ago
What number gives a result of −1 when 99 is subtracted from the quotient of the number and 4
marishachu [46]
Let the number be x. Then:-

(x/4) - 99 = -1

x/4  = -1 + 99 = 98

x = 98 * 4 =  392  Answer
5 0
4 years ago
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