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abruzzese [7]
3 years ago
5

connie worked three more than twice as many hours as gary did. how many hours did each work of together they worked 48 hrs?

Mathematics
1 answer:
dimaraw [331]3 years ago
6 0

Answer:

33

Step-by-step explanation:

if she worked three more than twice as many hours as gary worked we can subtract 3 for 48 which leaves 45. she worked twice as many hours as he did and 45 is perfectly devisable by 3 at 15 so she worked 30 hours plus 3 while gary only worked 15 hours. This could be wrong but i dont think it is :)

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machine a pops 12.75 oz of popcorn in 3 minutes machine b pops 10 oz of popcorn in 4 minutes which machine pops more popcorn in
Tpy6a [65]

Answer:

  A

Step-by-step explanation:

Machine A pops more popcorn (12.75 vs 10 oz) in less time (3 min vs 4 min), so pops popcorn the fastest.

Machine A pops more popcorn in one minute, on average.

_____

<em>Additional comment</em>

As a practical matter, neither machine may have popped <em>any</em> popcorn in one minute. Generally, one must wait for the cycle to complete. The average overall rate will depend on how quickly each machine can be recycled to produce another batch.

8 0
2 years ago
Find the probability that a Type A bulb lasts at least 300 hours and a Type B bulb lasts at least 400 hours.
barxatty [35]

Answer:

P(X>3)P(X>4)=(1-F_1(3))(1-F_2(4))

Step-by-step explanation:

We require more information by I will explain in principle:

If Type A has at least 300 hours and Type B at least 400 hours.

(X>3)(Y>4)=P(X>3)P(X>4)

You need to determine the Probability density function of X and Y and then subtract 1 from both

P(X>3)P(X>4)=(1-F_1(3))(1-F_2(4))

This will give you the probability of the expression.

5 0
3 years ago
During the quarantine, the Jones family installed a rectangular pool in their backyard that was 10 feet wide and 15 feet long. T
olganol [36]
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5 0
3 years ago
Solve the equation sine Ф=0.6792 for 0°≤Ф≤360
Sergio [31]

Answer:

42.78⁹, 137.22⁹.

Step-by-step explanation:

sine Ф=0.6792

Angle Ф in the first quadrant = 42.78 degrees.

The sine is also positive in the second quadrant so the second solutio is

180 - 42.78

= 137.33 degres.

3 0
3 years ago
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nikdorinn [45]
Divide 1/16 by 3/8 and do the rest I got confused
8 0
3 years ago
Read 2 more answers
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