Ask question

Ask question

All categories

3 years ago

9

If you bike for 60 kilometers at 30 kilometers per hour and return at 20 kilometers per hour, what is the average speed for the

whole trip.

1 answer:

matrenka [14]3 years ago

8 0

V1=30km/hr
v2=20km/hr
v=2v1v2/(v1+v2)
=2*30*20/(30+20)
=24km/hr

You might be interested in

Need help asap in delta math assignment

V125BC [204]

Answer:

8

Step-by-step explanation:

B^2 = C^2 -A^2 89-25 = 64 sqrt(64) is 8

8 0

3 years ago

Read 2 more answers

What is right less a number is less than or equal to seventeen

USPshnik [31]

Answer:

x≤17

Step-by-step explanation:

5 0

3 years ago

Suppose Mai places $3500 in an account that pays 19% interest compounded each year.

rodikova [14]

Answer:

a.$4165

b.$4956.35

Step-by-step explanation:

a)19% × 3500 = 665.

3500+665 =4165

b)19% × 4165 =<u> </u><u>7</u><u>9</u><u>1</u><u>.</u><u>3</u><u>5</u>

<u>4</u><u>1</u><u>6</u><u>5</u><u>+</u><u>7</u><u>9</u><u>1</u><u>.</u><u>3</u><u>5</u><u>=</u><u> </u><u>4</u><u>9</u><u>5</u><u>6</u><u>.</u><u>3</u><u>5</u>

4 0

1 year ago

A store in Ashland purchased a cat calendar at a cost of $1.30 and marked it up 100%. Later on, Fernando bought the cat calendar

Arada [10]

Answer:

$2.99

Step-by-step explanation:

Given that:

Purchase price of cat calendar = $1.30

Markup = 100%

Hence, price at which the cat calendar was sold :

1.30 + 100%(1.35)

$1.30 + $1.30 = $2.60

Sales tax = 15%

Amount paid as sales. tax _

15% * 2.60 = $0.39

Total amount paid :

$2.60 + 0.39 = $2.99

7 0

3 years ago

What is the answer to the following question?<br> 1.8<br> 2.2<br> 3.3<br> 4.12<br> ?

Fittoniya [83]

Answer:

1.8

Step-by-step explanation:

1.8

5 0

3 years ago