1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
8090 [49]
3 years ago
9

A humpback whale swims at 40mph for 30 minutes, then rests for 15 minutes, then swims at 32 mph for 45 minutes. What is the whal

e’s average speed in miles per hour?
Mathematics
2 answers:
timama [110]3 years ago
8 0
I know lots about whales! I can help you out!


The Humpback is an awesome creature. She weighs about 66,000 pounds. She's as long as 42 ft. when fully-grown. She eats up to 4,400-5,500 pounds of food (krill, small fish, plankton, mackerel, etc.). She can swim at top speed of 9 miles per hour (MPH).

Hope this helps!!!!!!! 
klasskru [66]3 years ago
6 0
Average speed=totaldistance/ttoaltime

d=rt
40mph for 30mins (1/2 hr), travels 20mi
rest for 15min (1/4 hr), travels 0mi
swims at 32mph for 45min (3/4hr), travels 96/4=24mi

total distance=20+0+24=44
total time=1/2+1/4+3/4=1 and 1/2=3/2
44/(3/2)=44 times 2/3=88/3=29 and 1/3

about 29 and 1/3 mph
You might be interested in
Convert the quadratic equation y=−4(x−3)(2x+4) from factored form to standard form.
Katyanochek1 [597]

Answer:

y = -8x² + 8x + 48

Step-by-step explanation:

y= −4(x−3)(2x+4)

y = -8x² + 8x + 48

4 0
3 years ago
What is 3 days to 1 week expressed as a ratio
saw5 [17]

Answer:

3:1?

Step-by-step explanation:

eeeeeeeeeeeeeeee

6 0
3 years ago
The price of an item has been reduced by 30%. The original price was $70. What is the price of the item now?
Jlenok [28]

Answer:

$41.25

Step-by-step explanation:

We can use this formula to solve this problem:

s

=

p

−

(

d

×

p

)

Where:

s

is the sales price: what we are solving for in this problem.

p

is the original price: $55 for this problem.

d

is the discount rate: 25% for this problem. "Percent" or "%" means "out of 100" or "per 100", Therefore 25% can be written as  

25

100

.

Substituting and calculating  

s

gives:

s

=

$

55

−

(

25

100

×

$

55

)

s

=

$

55

−

$

1375

100

s

=

$

55

−

$

13.75

s

=

$

41.25

8 0
4 years ago
Read 2 more answers
At the market, 8 apples cost $4.<br> How much do 9 apples cost?
11111nata11111 [884]

Answer:

6

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
How much food can this container hold? Express your answer in terms of pie. question 5 in i-ready
Scilla [17]

Answer:

jfcsdifp

Step-by-step explanation:

5 0
3 years ago
Read 2 more answers
Other questions:
  • Answer choices:
    12·1 answer
  • The graphs of f(x)=-2x and g(x)=(1/2)^x are shown. what are the solutions to thr equation -2x=(1/2)^x? select each correct answe
    10·1 answer
  • In algebra 1 how do I solve for y in this problem? -3x=y+2
    12·1 answer
  • The function C(x) = 25.50x + 50 models the total cost for a cleaning company to clean a house, where x is the number of hours it
    7·1 answer
  • What is the factored form of y=x^2 - 4x + 3?
    6·1 answer
  • URGENTLY NEED THIS ASAP PLZ TYSM
    7·1 answer
  • A relation that is symmetric with respect to the x-axis CANNOT be a function,
    6·2 answers
  • Yessica earns $15/hour and Claire earns $12/hour. If Yessica worked x hours and Claire worked 20 hours find the total amount of
    7·1 answer
  • 3) Shayna and Anjali are selling pies for a school fundraiser. Customers can buy cherry pies and
    12·1 answer
  • 10. The total cost of a candy bar and a bag of chips is $1.70. If the cost of a candy bar and 2 bags of chips is
    8·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!