1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
miskamm [114]
4 years ago
15

There is a string of red and blue lights strung around a window. The red lights blink every 3 second and the blue lights every 5

seconds. How many times will they blink at re same time in one minute?
Mathematics
2 answers:
Vladimir79 [104]4 years ago
8 0

Answer:

They will blink 4 times together in one minute.

Step-by-step explanation:

The amount it takes for them to blink together is the least common multiple between the time it takes for each of them to blink together.

The red light blinks each 3 seconds.

The blue light blinks each 5 seconds.

The least common multiple between 3 and 5 is 15. So they will blink together each 15 seconds.

Each minute has 60 seconds. So they will blink 60/15 = 4 times together in one minute.

Ann [662]4 years ago
7 0

Find the lowest common multiple of 3 and 5, that is 15

the lights will blink together every 15 seconds

in 1 minute blink together \frac{60}{15} = 4 times

that is at 15, 30, 45 and 60


You might be interested in
Jon makes a map of his neighborhood for a presentation. The scale of his map is 1inch:250 feet, How many feet do 6.5 inches repr
anygoal [31]
B 1625

250×6.5 equals B
3 0
3 years ago
Which times and distances are represented by the function?
alexdok [17]
Can u put a picture of the question with this so I can answer it.
7 0
3 years ago
Solve the equation for x. <br><br> 2(5x + 3) = 26
Aleksandr [31]

Answer: x=2

Step-by-step explanation:

2(5x+3)=26

Distribute the 2

10x+6=26

Subtract 6 from both sides

10x=20

Divide both sides by 10

x=2

5 0
3 years ago
Describe in words the region of R3 reperesented by the equations or inequalities y2+z2=16
Anastasy [175]

Answer:

It represents an infinite cylinder of radius 4.

Step-by-step explanation:

The first thing to notice is that

y^2+z^2=4^2

<u>represents a circle of radius 4</u>, with its center in the origin of a plane yz, of cartesians coordinates.

Starting from here, we have to put the coordinate x, for all values of x, to complete the space R³. <em>This will enlarge this circle we had on the plane, to infinity</em> (positive and negative on the x-axis).

Finally, we have that this region is a cylinder of radius 4, with center in y=0 and z=0, and of infinite length in the x coordinates.

5 0
3 years ago
Gabriella ate 5 pieces of pie Daniel ate 2 slices if there was 3 reaming what fraction was the pie eaten
Simora [160]
10 total pieces of the pie
-5
-2
And only 3 remained so your answer would be
3/10
5 0
3 years ago
Read 2 more answers
Other questions:
  • 3x + 5 = 12 - 7x Please someone answer
    5·1 answer
  • Which expression is equivalent to (256x^16)^1/4<br> A.4x^2<br> B.4x^4<br> C. 64x^2<br> D. 64x^4
    5·2 answers
  • Find the derivative of the following functions<br> f(x) = x^7 - 2x^3 - 9x
    8·1 answer
  • What are the next three terms in the sequence 13, 15, 17, 19, 21, ...?
    5·2 answers
  • Human body temperatures are normally distributed with a mean of 98.2oF and a standard deviation of 0.62oF. Find the temperature
    13·1 answer
  • What is the slope of the line that passes through the points (6, 4) and (3,8)?
    11·1 answer
  • The width of a plastic storage bin is 4ft longer than the height. The length is 6ft longer than the height. The volume is 96 cub
    6·1 answer
  • What is the total surface area??
    10·1 answer
  • Helpp! Show work please, thank you :)<br><br> Brainliest 30 points
    10·1 answer
  • Determine the intervals on which f(x) is x&gt;0 and on which f(x) is x&lt;0.
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!