yoongnzl
30.05.2020 •
Mathematics
Which equation should be used to find the volume of the figure?
8 in.
10.jn.
4 in.
6 in
V=(6)(418)
/ -2(6)4)8)
v=3(0)(4)(10)
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Ответ:
Given that
1
John can run 100 meters dash in 16 seconds .
5
Savanna 's time is 19.8 seconds .
Here we have John time in mixed fraction and Savanna's time in decimal .
Converting mixed fraction into improper .
1 16 * 5 + 1 80 + 1 81
16 = = = -
5 5 5 5
Thus we got John time as 81 /5 seconds .
Converting Savanna's time in fraction , we get
19 8
seconds .
10
We have two fractions with different denominator .
One is having denominator 5 and another is having denominator 10 .
We need to make the denominator same of both the fraction .
We need to make denominator 10 .
Multiply John fraction by 2 in both numerator and denominator by 2 to make denominator 10 .
81 * 2 162
= seconds .
5 * 2 10
John is taking less time than Savanna . Thus John is faster .
Difference
198 162 36
- = seconds
10 10 10
Thus John is faster by (36/10 ) seconds = 3.6 seconds.
Step-by-step explanation:
Given that
1
John can run 100 meters dash in 16 seconds .
5
Savanna 's time is 19.8 seconds .
Here we have John time in mixed fraction and Savanna's time in decimal .
Converting mixed fraction into improper .
1 16 * 5 + 1 80 + 1 81
16 = = = -
5 5 5 5
Thus we got John time as 81 /5 seconds .
Converting Savanna's time in fraction , we get
19 8
seconds .
10
We have two fractions with different denominator .
One is having denominator 5 and another is having denominator 10 .
We need to make the denominator same of both the fraction .
We need to make denominator 10 .
Multiply John fraction by 2 in both numerator and denominator by 2 to make denominator 10 .
81 * 2 162
= seconds .
5 * 2 10
John is taking less time than Savanna . Thus John is faster .
Difference
198 162 36
- = seconds
10 10 10
Thus John is faster by (36/10 ) seconds = 3.6 seconds.
Ответ: