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jasenka [17]
3 years ago
12

Bob can ride his bike 6.5 miles in 20 minutes what is the rate of speed in miles per hour

Mathematics
2 answers:
vladimir2022 [97]3 years ago
7 0

Answer:

19.5 miles per hour

Step-by-step explanation:

We need to change 20 minutes to hours

1 hours = 60 minutes

20 minutes * 1 hour/60 minutes = 1/3 hour

To find miles per hour we take the miles and divide by hours

6.5 miles

---------------- = 19.5 miles per hour

1/3 hours

Amiraneli [1.4K]3 years ago
6 0

Answer: 19.5 miles per hour

*Hope this helps!



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Suppose you are adding 43 and 28 .will you regroup. Explain
jarptica [38.1K]
Yes you will, 8 + 3 is greater than 9 so you will regroup 
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3 years ago
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4x^2 - y^2 - 2x- y<br><br> Factorise each of the following expressions completely
Sergeu [11.5K]

Answer:

(2x + y)(2x - y - 1)

Step-by-step explanation:

4x² - y² - 2x - y

4x² - y² is a difference of squares and factors in general as

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= (2x)² - y²

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expression is now

(2x - y)(2x + y) - (2x + y) ← factor out (2x + y) from each term

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3 0
1 year ago
A rectangular prism has a volume of 750 cubic millimeters. Its length is 15
umka2103 [35]

Answer: 5 milimeters.

Step-by-step explanation:

The formula for calculate the volume of a rectangular prism is:

V=lwh

Where "V"  is the volume, "l" is the lenght, "w" is the width and "h" is the height.

You know that the volume, the lenght, and the width of this rectangular prism are:

V=750mm^3\\l=15mm\\w=10mm

Substitutute these values into the formula and solve for the the height "h":

750mm^3=(15mm)(10mm)h\\\\h=\frac{750mm}{(15mm)(10mm)}\\\\h=5mm

5 0
2 years ago
The distance between Maggie’s home and her school is 5,280 yards. (Hint: 1 mile = 1,760 yards.)
Mariulka [41]
1 mile = 1760 yards
5280 yards = 5280 / 1760 = 3 miles
4 0
3 years ago
josh flips a colored chip that is red on one side and black on the other a total of 20 times. what is the probability of the 21t
kiruha [24]
As long as the mass of the chip is evenly distributed on each side, whatever times you flip the chip,

The probability will always be 50%
3 0
3 years ago
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