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Alik [6]
3 years ago
7

When it is raining outside, you tend to stay in and watch TV. The number of hours of TV that you watch in a given week is twice

the number of rainy days in that week. In the equation below, yyy is the number of hours of TV you watch in a week, and xxx is the number of rainy days in that week.
The relationship between these two variables can be expressed by the following equation:
y=2xy=2x
Mathematics
1 answer:
Juli2301 [7.4K]3 years ago
7 0

Answer:

Step-by-step explanation:

the answer is 74

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David hikes 21/4 miles in 1/2 an hour. What is his rate in miles per hour? At this rate, how long will it take him to walk 18 mi
harkovskaia [24]

Answer:

A) speed = 10.5 miles per hour

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Step-by-step explanation:

Given as :

The distance cover by David = \frac{21}{4} miles = 5.25 miles

The time taken by David        = \frac{1}{2}  hours  = 0.5 hours

Let the speed                          = x mile per hour

So, Distance = Speed × Time

A)or,  Speed = \frac{Distance}{Time}

Or,  Speed = \frac{5.25}{0.5}

∴     speed = 10.5 miles per hour

<u>B) Again The Distance cover by him = 18 miles</u>

SO, with speed 10.5 miles per hour

The Time taken by him =  \frac{Distance}{speed} hours

Or, Time taken by him =  \frac{18}{10.5} hours

∴    Time taken by him = 1.714 hours

<u>C) Again the Time taken by him = 7 hours   </u>

So, Distance cover by him with speed 10.5 mph

Or, Distance = 10.5 mph × 7 hours = 73.5   miles

A) speed = 10.5 miles per hour

B) Time taken by him = 1.714 hours

C)  Distance = 10.5 mph × 7 hours = 73.5   miles   Answes

8 0
3 years ago
Anybody willing to help?
alexandr402 [8]

Answer:

16 is H.9

17. is A.9

Step-by-step explanation:

Hope it helped! ^_^

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