3 years ago

A bike rider travelled a distance of 51 miles. His average speed was 17 mph. How long did it take him? *

1 answer:

8 0

The time it takes to travel 17miles at 50miles per hour is 1224 seconds, take 34hours and multiply it by 60 to get 20.4 minutes

You might be interested in

Claire has quarters and nickels in her purse. The total value of the coins is $2.65. Which equation can be used to find x, the n

bogdanovich [222]

Answer:

0.05(2x +4) +0.25x =2.65

Step-by-step explanation:

The decimals are in the right places. A. would have been correct but it would have had to be 265 instead of 2.65. They put the decimals in the incorrect place.

6 0

3 years ago

For what value of the variable will the expression 8b-27 <br><br> -11

raketka [301]

Answer: 8b - 38

Step-by-step explanation:

8 0

3 years ago

25/5=9/5 divided by 5/1

weeeeeb [17]

9/5= 1.8 and 5/1= 5 so 1.8/5= 0.36 or 36/100 /2 18/50 9/25 answer : .36 or 9/25

6 0

3 years ago

If f'(x) and g'(x) exist and

dem82 [27]

not letting me add answer

Refer to the attachment

7 0

2 years ago

Need help! Law of cosines...find b round to the nearest tenth please

dusya [7]

ANSWER

$B = 27.8 \degree$

EXPLANATION

The law of cosine is given by the formula:

${b}^{2} = {a}^{2} + {c}^{2} - 2bc \cos(B)$

From the diagram,

a=17, b=8, c=16

We substitute the given values into the formula to obtain:

${8}^{2} = {17}^{2} + {16}^{2} - 2(17)(16)\cos(B)$

$64 = 289+ 256- 544\cos(B)$

$64 = 545- 544\cos(B)$

$64 - 545 = - 544\cos(B)$

$- 481 = - 544\cos(B)$

$\frac{ - 481}{ - 544} = \cos(B)$

$cos(B) = 0.88419$

$B = \cos ^{ - 1} (0.88419)$

$B = 27.8 \degree$

3 0

4 years ago

Read 2 more answers