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Juli2301 [7.4K]
4 years ago
5

What is the unit rate for 644.8 ft in 31 s?

Mathematics
2 answers:
rosijanka [135]4 years ago
8 0

Step-by-step explanation:

What is the unit rate of 76 8.5 :07 a.m. 41. 1 hour answer your answer as a Des morning the Box

yaroslaw [1]4 years ago
5 0

divide feet by seconds

644.8 / 31 = 20.8 feet per second

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P² +6r - 27<br> factoring quadratics
babunello [35]

Step-by-step explanation:

look at the picture shown

5 0
3 years ago
What is a irrational number between 7.7 and 7.9
Svetlanka [38]

There is of course no one true answer, but an infinite number of them, all correct.  Let's go with

Answer: 7.7 + π/100

Pi divided by 100 is .031415926.... so this is about 7.73141526.

Another answer, perhaps looking more like what you'd call a number, is the square root of 61, about 7.81.

Answer: √61

8 0
3 years ago
40:10 = 12 :<br> Equivalent ratio
Alex73 [517]
40:10=12:3


Solution:

Since
40 : 10 = 12 : X

Then we know
10/40 = X/12

Multiplying both sides by 12 cancels on the right
12 × (10/40) = (X/12) × 12
12 × (10/40) = X

Then solving for X
X = 12 × (10/40)
X = 3

Therefore
40 : 10 = 12 : 3
5 0
3 years ago
Susie and Katie received candies on Valentine's Day. Susie received four less candies than Katie. Together, they received 16 tot
andrew11 [14]

Answer: Katie-10 Susie-6

Step-by-step explanation:

Total 16 candies

Susie=k-4

Katie- 10 candies

susie- 6 candies

10+6=16

10-6=4

8 0
3 years ago
A manufacturing process that produces electron tubes is known to have a 10% defective rate. Suppose a random sample of 15 tubes
posledela

Answer:

Probability of obtaining no more than two defective tubes = 0.816

Step-by-step explanation:

The Probability of obtaining no more than two defective tubes in a randomly selected sample of 15 tubes is obtained using the binomial distribution formula: nCr × p^r × q^(n -r).

Where n is number of samples;

r is maximum number of defective tubes, r ≤ 2;

p is probability of defective tubes = 10% or 0.1

q is probability of non-defective tubes, q = 1 - p

Further explanations and calculations are given in the attachment below:

3 0
4 years ago
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