All categories

3 years ago

What’s the average speed in km/h of a boat that moves 15 km across a lake in 45 min?

Mathematics

1 answer:

mr Goodwill [35]3 years ago

6 0

Answer:

20 km/hr

Step-by-step explanation:

Hey

Distance= 15km

Time= 45min

Since the unit for time is hours, we will convert 45 minutes to hours

45/60 = 0.75 hours

Speed= d/t

= 15/0.75

= 1500/75

= 20 km/h

Hope this helps

You might be interested in

1. What is the correct reason for statement #3?

r-ruslan [8.4K]

Answer:

1) B. Combine-like terms

2) A. Subtraction Property of Equality

3)D. Division Property of Equality

Step-by-step explanation:

8 0

3 years ago

Simplify: -3(4x - 5)

nata0808 [166]

Answer:

$8x - 26 \\ -16x - 4 \\ -12x + 15$

Step-by-step explanation:

2(4x - 8) - 10

8x - 16 - 10

|_______|

8x - 26

-5x + 8 - 11x - 12

___ ___ _____ ____

___ ____

-16x - 4

-3(4x - 5)

-12x + 15

For the third and first exercises, you just use the Distributive Property, and for the second exercise, all you are doing is combining like-terms.

I am joyous to assist you anytime.

7 0

2 years ago

USING STRUCTURE What type of pair of angles are 6 and 13?

ziro4ka [17]

Answer:

Consecutive interior angles

Step-by-step explanation:

This chart may also help

8 0

3 years ago

1/2×4/5 can be written

Leno4ka [110]

I think it will be because if you multiply 1/2 times 4/5 it will be 0.4

6 0

2 years ago

)Elliot has been running a lawn care business since 2000. He cuts grass, trims, and weed whacks yards for his customers througho

maria [59]

Answer:

Rate of change = (1350 - 750)/(2010 - 2000) = 600/10 = $60

Initial value = $750

Equation is y = 60x + 750; where y is the amount charged to customer and x is the number of years from 2000.

8 0

2 years ago