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MaRussiya [10]
3 years ago
5

Holly drove 100 miles in 4 hours, and Yemi drove 100 miles in 5 hours. How can you compare the speeds of Holly and Yemi? Explain

your reasoning.
Mathematics
1 answer:
Lelu [443]3 years ago
3 0
The first thing that yo do is divide 100 by 5 for Yemi and that's how fast she drove which is 20 miles per hour. And then you do the same thing for Holly 100 divided by 4 which is 25 mph. So Holly is driving faster than Yemi. So you can compare them by dividing the miles by hours for both of them.
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Pls help to solve this ​
Marysya12 [62]

Answer:

\underline{ \underline{  \pink{\large{ \tt{ \: S \:T \: E \: P \:  -  \: BY \:  -  \: S \: T \: E \: P \: \:  E\: X\: P \: L \: A \:N\: A \: T \: I \: O \: N}}}}}:

Q. Find the range and coefficient of range of the data :

  • 100 , 200 , 400 , 600 , 900

⇾ Solution :

  • largest value ( L ) = 900 & smallest value ( S ) = 100

We know , Range is the difference between the largest and smallest value. By definition ,

1. Range = Largest value - Lowest value = 900 - 100 = \boxed{ \sf{800}}

2. Coefficient of range =\large{ \tt{ \frac{L - S}{L + S} =  \frac{900 - 100}{900 + 100 }  =  \boxed{ \tt{0.8}} }}

Q. If f ( x ) = 9x - 8x and x belong to { 0 , 4 , 3 ,5 }. Find the range.

⇾ Solution:

When x = 0 , f ( 0 ) = 9 × 0 - 8 × 0 = 0

When x = 4 , f ( 4 ) = 9 × 4 - 8× 4 = 4

When x = 3 , f ( 3 ) = 9 × 3 - 8 × 3 = 3

When x = 5 , f ( 5 ) = 9 × 5 - 8 × 5 = 5

  • Range = { 0 , 4 , 3 , 5 )

♨ Hope I helped! ♡

☃ Have a wonderful day / night ! ✎

☂ \mathfrak{Carry \: On \: Learning}

▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁▁

3 0
3 years ago
2/7 (4+c)=6 plz help me I need to get it right
choli [55]
Problem: 2/7 (4+c)=6


1. 7/2 x 2/7 x (4+c)=7/2 x 6

2. 4+c=7 x 3

3. 4+c=21

4. c=21-4

Answer: c=17
7 0
3 years ago
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