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Vlad [161]
3 years ago
8

A ball was bounced 3 times between 3:15p and 3:18p, thrown 10 times between 3:20p and 3:30p and bounced 7 times between 4:15p an

d 4:20p. What is the rate per hour of ball bouncing based on a 2 hour data collection time period.
Mathematics
1 answer:
raketka [301]3 years ago
8 0

Answer:

strange phrasing of a question

If one assumes that the "observation" was from 3:00 pm - 5:00 pm (2 hours)

and the ball was ONLY "bounced" 10 times (3+7)

we can can say that the rate was 10 bounces/2 hours or 5 b.p.h. (bounces per hour)

Step-by-step explanation:

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24 - 4 x 2 + 4b = 20 - 16​
AnnZ [28]

Answer:

b = -3

Step-by-step explanation:

Solve for b:

4 b - 4 2 + 24 = 20 - 16

-4×2 = -8:

4 b + -8 + 24 = 20 - 16

Grouping like terms, 4 b - 8 + 24 = 4 b + (24 - 8):

4 b + (24 - 8) = 20 - 16

24 - 8 = 16:

4 b + 16 = 20 - 16

20 - 16 = 4:

4 b + 16 = 4

Subtract 16 from both sides:

4 b + (16 - 16) = 4 - 16

16 - 16 = 0:

4 b = 4 - 16

4 - 16 = -12:

4 b = -12

Divide both sides of 4 b = -12 by 4:

(4 b)/4 = (-12)/4

4/4 = 1:

b = (-12)/4

The gcd of -12 and 4 is 4, so (-12)/4 = (4 (-3))/(4×1) = 4/4×-3 = -3:

Answer: b = -3

4 0
4 years ago
What is the measure of the tangent AB?
HACTEHA [7]
Using formula AB^2 =  BD *(CD + BD)

AB^2 = 16 * (16+9)

AB^2 = 16 * 25

AB^2 = 400

AB = sqrt(400)

AB = 20
5 0
3 years ago
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4 2/8 As A Improper Fraction​
DanielleElmas [232]
The answer would be: 17/4
5 0
4 years ago
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40% of 60 is ___ explain your method
oksano4ka [1.4K]

Answer:

24

Step-by-step explanation:

All u do is multiply 60 by 40% or .40 which equals 24...

24 is 40% of 60

hope this helps...

have a good day

3 0
3 years ago
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Clara lends half her collection of formal attires to her sister, Susan. Clara then buys
Digiron [165]

Answer:

clara had 16 but she gave half that leaves us with 8 + 4 gives u 12

x

2

+ 4 = 12 ; 16 attires  

Answer:

16

Step-by-step explanation:

a:2+4 =12

a:2=12-4

a:2=8

a=8 ×2

a=16 dresses

Step-by-step explanation:

brainliest would be super appreciated

5 0
3 years ago
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