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andre [41]
2 years ago
7

PLEASE HELP!!!!!!!!!!!!!!!!!

Mathematics
2 answers:
Nookie1986 [14]2 years ago
4 0
The answer is 2 3/10. how do you not know this
mamaluj [8]2 years ago
3 0

Answer:

Hence, the number of hours he did work on both days is:

2\dfrac{3}{10}hour

Step-by-step explanation:

It is given that:

Clay worked 1\dfrac{1}{5}hour yesterday.

i.e. in simple fraction the number of hours he worked yesterday is:

1\dfrac{!}{5}=\dfrac{1\times 5+1}{5}=\dfrac{6}{5}hours

He worked 1\dfrac{1}{10}hour today.

i.e. the number of hours he worked today in simple fraction terms is:

1\dfrac{1}{10}=\dfrac{1\times 10+1}{10}=\dfrac{11}{10}hours

The number of hours he worked on both days is:

Number of hours he worked yesterday+Number of hours he worked today.

=\dfrac{6}{5}+\dfrac{11}{10}=\dfrac{6\times 2+11}{10}=\dfrac{12+11}{10}=\dfrac{23}{10}

which could also be represented as:

2\dfrac{3}{10}hour

Hence, the number of hours he did work on both days is:

2\dfrac{3}{10}hour

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A father’s age now is three times the age that his son was 4 years ago. In
Mice21 [21]
Let ‘s’ be the son’s age 12 years ago.
Let ‘f’ be the father’s current age.

4 years ago, the son was:

s-4

So, his father is currently:

3(s-4)

=

3s-12

Therefore:

f = 3s-12

In twelve years, the son will be:

s+12

And the father will be:

f+12

This can also be written as:

3s-12+12 as the fathers younger age would be f = 3s+12

=

3s

So, we know that s+12 is half the fathers current age, meaning the father is currently 2(s+12) which is equivalent to 2s+24. Also, we know that the father is currently 3 times the sons age 12 years ago, so 3s (proven by the calculations we made above). Therefore, 2s+24=3s which means 24=s. We can then substitute this, and we will receive 24+12 = 36

Son’s current age: 36

We then substitute the son’s age 12 years ago into 2s+24 to give us the father’s age.

2(24)+24 = 72

Father’s current age: 72










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3 years ago
Can someone help me
barxatty [35]

Answer:

y= (-6/5)x -2

Step-by-step explanation:

y=mx+b , where m is the slope, and b is the y -intercept

the y -intercept is where the line intersects the y-axis so b = -2

the slope m= y(rise) /x(run)  = 6/-5 = -6/5 ( to find the slope you have to know how to get from any point on the line to another point on the same line; start at point (0,-2) go up 6(y-rise) and to the left 5(x-run) at point (-5,4))

y= (-6/5)x -2

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2 years ago
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