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jek_recluse [69]
2 years ago
9

If 10 man can work 6hours.How many more men are needed towork in 4 hours​

Mathematics
1 answer:
Lerok [7]2 years ago
4 0

Answer:

5 more men

Step-by-step explanation:

10 men do a job in 6 hours.

To do the job in 2 hours, 1/3 of the time, you need 3 times as many men.

30 men do a job in 2 hours.

To do the job in twice the time, 4 hours, you need half the men.

15 men do a job in 4 hours.

15 men - 10 men = 5 men

You need 5 more men.

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Compare the two statements |-0.45| and | -0.0045|
djyliett [7]

Absolute value means the distance from 0.

|-0.45| =0.45

|-0.0045|=0.0045

0.45>0.0045

So

|-0.45|>|-0.0045|

8 0
3 years ago
Read 2 more answers
Members of the high school baseball team need to purchase cleats before the season starts. The pitcher paid $70 for his, but the
prohojiy [21]

Answer:

The pitcher paid $70.

The second baseman paid $63.

$70 -$63 = $7

Step-by-step explanation:

6 0
2 years ago
An equilateral triangle has a height of 32. Find the length of the sides of the triangle. Round to the nearest hundredth.
telo118 [61]
Let each side=x
Use pythagorus
As height at mid of other side
Then: 32=sqrt(X^2-X^2/4)
Therefore X=36.950
5 0
2 years ago
Check whether the given number is a solution of the equation or
maxonik [38]

Answer:

13. is a solution of the equation. 14. and 15. are both inequalities.

Step-by-step explanation:

the equal sign is something you can look out for to decide if it is a solution to the equation. the > sign means 'greater than' and the ≤ means 'less than' or 'equal to'. both are not equals, therefore they are inequalities.

5 0
3 years ago
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The sum of a number n and 4 is 10. What is the value of the sum of n and -1?
katrin [286]

Answer:

The value of the sum of n and -1=5

Step-by-step explanation:

Step 1

Get the value of n using the equation below;

The sum of n and 4 is 10 can be expressed in equation form as follows;

n+4=10...equation 1

solving for n;

n=10-4

n=6

The value for n=6

Step 2

Express the sum of n and -1 as follows

n+(-1)=unknown...equation 2

using the value of n solved in equation 1 in equation 2

replace using;

n=6

6+(-1)=6-1=5

The value of the sum of n and -1=5

5 0
3 years ago
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