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jok3333 [9.3K]
4 years ago
12

a restroom Holiday Lights blinks once every 3 seconds why is there blue lights blink once every four seconds how many times will

both sets of lights blink at the same time in 1 minute and 60 Seconds
Mathematics
1 answer:
Dovator [93]4 years ago
3 0

Answer:

  10 times

Step-by-step explanation:

The lights blink at the same time (if they ever do) every 12 seconds, the least common multiple of the individual times. Then in 120 seconds, they will blink together ...

  120/12 = 10

times.

_____

You could count 11 (simultaneous) blinks, if you count the one at the start of a period of 120 seconds and also the one at the end of that period. If you start marking time between (simultaneous) blinks, you will count only 10.

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Tom made $450 selling CDs last month. That total increased to $513 this month. What was the percent increase? (pls answer)
svetoff [14.1K]

Answer:

14%

Step-by-step explanation:

7 0
3 years ago
5. Suppose a password requires three distinct letters. Find the number of permutations for the three letters in the code if the
Roman55 [17]

Answer:

There are 15600 ways to pick a password

Step-by-step explanation:

We have 26 possibilities to pick a letter. So, we have 26 possibilities for the first component of the password. The second letter should be different from the first one, so we have one less possibility, giving us a total of 25, and for the third letter we have 24.

This gives us 26*25*24 = 15600 ways of picking a password.

3 0
3 years ago
If a right isosceles triangle has an area of 192 cm, what is the height of the triangle?
xxMikexx [17]

The height of the triangle is 19.596 centimeter, if a right isosceles triangle has an area of 192 square centimeters.

Step-by-step explanation:

The given is,

               Area of right isosceles triangle is 192 square centimeters

Step:1

             Formula for area of  right isosceles triangle is,

                                       A=\frac{1}{2} a^{2}............................(1)

            Where, a - Sides of triangle

                         a = h = b

            Here, h - Height of triangle

                      b - Base of triangle

           From given,

                    Area, A = 192 square centimeters

           Equation (1) becomes.

                              192=\frac{1}{2} a^{2}

                                a^{2} = (2)(192)

                                     = 384

                                a^{2} = 384

          Take square root on both sides,

                                 a=\sqrt{384}

                                  a = 19.596 centimeters

         Height of right isosceles of triangle, a = h = 19.596 centimeters

Result:

        The height of the triangle is 19.596 centimeter, if a right isosceles triangle has an area of 192 square centimeters.

7 0
4 years ago
HURRY ILL MARK AS BRAINLIEST!! PLEASE HELP
agasfer [191]

Answer:

A&C

Step-by-step explanation:

5 0
3 years ago
PLEASE HELP ME!!!! THANK YOU SO SO SO MUCH.
polet [3.4K]
It would be A because everything is doubled
4 0
4 years ago
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