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tia_tia [17]
3 years ago
14

Factor completely. 25w² + 60w + 36 Express the answer in the form (aw+b) 2 .  

Mathematics
1 answer:
Lana71 [14]3 years ago
6 0
<span>25w² + 60w + 36
= (5w + 6)^2

hope it helps</span>
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A cyclist travels at 20 kilometers per hour when cycling uphill, 24 kilometers per hour when cycling on flat ground, and 30 kilo
Dvinal [7]

Answer:

Their average speed during the entire round trip = 24 miles per hour

Step-by-step explanation:

To determine:

What was their average speed during the entire round trip?

Information Fetching and Solution Steps:

  • A cyclist travels at 20 kilometers per hour when cycling uphill
  • 24 kilometers per hour when cycling on flat ground
  • 30 kilometers per hour when cycling downhill

On a sunny day, they cycle the hilly road from Aopslandia to Beast Island before turning around and cycling back to Aopslandia.

Let us assume that that the road is uphill one way and downhill the other way

As we know that the formula of average speed

Average\:speed=\:\frac{Total\:Distance\:\:Covered}{Total\:Time\:taken\:to\:cover\:the\:distance}\:\:

  • As\:they\:do\:an\:out\:and\:back\:trip

The\:up\:and\:down\:portions\:reverse\:and\:the\:flat\:remains\:the\:same

On the way out:

Say              

60\:miles\:up\:hill=\:3\:hours

flat\:48=\:2\:hrs

down\:120=4\:hrs

on the way back:

up\:120\:=\:6\:hrs

flat\:48=\:2\ hrs

down\:60=\:2\:hrs

So,

total\:miles\:=\:456\:miles

total\:time\:=\:19\:hrs\:\:\:

As

Average\:speed=\:\frac{Total\:Distance\:\:Covered}{Total\:Time\:taken\:to\:cover\:the\:distance}\:\:

Therefore,

Average\:speed=\:\frac{456}{19}\:\:\:

                        = 24 miles per hour

Hence, their average speed during the entire round trip = 24 miles per hour

Keywords: speed, time, average speed

Learn more about average speed from brainly.com/question/13159889

#learnwithBrainly

6 0
3 years ago
Which is bigger, half of 30 or one third of 75<br><br><br> please explain for brainlist
grin007 [14]
Half = 1/2
Third = 1/3

To find 1/2 of 30 we need to multiply them.
1/2 x 30 = 30/2 = 15

To find 1/3 of 75 we need to multiply them.
1/3 x 75 = 75/3 = 25

25 is bigger than 15

Answer:
1/3 of 75 is bigger
8 0
3 years ago
Read 2 more answers
Write the equation represents the line.
jeka57 [31]

Answer:

y = 3/4x+2

Step-by-step explanation:

The change in y over change in x of the two points given is 3/4, which is the slope. The line intersects with the y axis at 2, making 2 the y-int

4 0
3 years ago
The vertices of a square are located at (0,4), (4,0), (0, -4) and (-4,0).
kozerog [31]
The answer is: (4,0), (0,4)

4 0
2 years ago
Can anyone help for brainst and a thanks?
bekas [8.4K]

Answer:

$150.

Step-by-step explanation:

You would add to get the answer.

57 + 90 = 150.

Feel free to let me know if you need more help. :)

8 0
3 years ago
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