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
vodomira [7]
3 years ago
8

You have 3 alarms in your room. Your cell phone alarm is set to ring every 30 minutes. Your computer alarm is set to ring every

20 minutes and your clock alarm is set to ring every 45 minutes. If all 3 alarms ring simultaneously at 12:39PM., when is the next time they will ring simultaneously?
Social Studies
1 answer:
VMariaS [17]3 years ago
3 0

Answer:3:39 PM

Explanation:

Given

Cell phone Alarm is set to ring every 30 minutes

Computer alarm is set to ring every 20 minutes

Clock alarm is set to ring every 45 minutes

All alarms ring at 12:39 so next time they ring simultaneously is given by

LCM of (30, 20, 45)=180

Thus all alarms will ring simultaneously after 180 min i.e. at 3:39 PM

You might be interested in
Why did colonists from South Carolina attack St. Augustine?
mojhsa [17]
The Raid on St<span>. </span>Augustine<span> was a military event during the Anglo-Spanish War in which the ... Expedition and was the last engagement on the Spanish main before Drake headed north for the Roanoke </span>Colony<span>. The expedition also forced the Spanish to abandon any settlements and forts in present-day </span>South Carolina<span>.</span>
6 0
3 years ago
Read 2 more answers
Psychological tests show 18-year-old Isaiah has an intelligence score of 65. Nevertheless, Isaiah can, with a few seconds mental
docker41 [41]

Answer:

<em>Isaiah is a person with savant</em> <em>syndrome</em>

Explanation:

<em>Savant syndrome: </em>In psychology, savant syndrome is one of the mental health condition in which an individual suffers from significant mental hindrance or disabilities that displays a few specific capabilities which is considered as far more than an excess of average people. An individual who is diagnosed with savant syndrome often shows a few special skills set in which he or she excels and is somewhat related to memory such as map-making, calculation, musical ability, and artistic ability.

3 0
3 years ago
How do you think citizens in the United States today would react to these rules and regulations
kozerog [31]

Answer:

The would not react very helpfully or very politely.

6 0
2 years ago
What is the difference in textbook editions?
BabaBlast [244]

Answer:

There are various differences in the different editions and the most common one is the content of the textbook.

Explanation:

Changes in content are upgraded with the new research in the area of the specific field. Secondly, additional features such as academic studies, expert perspectives, and future research areas are explored in the new edition. Moreover, questions about the analysis and sets of problems are frequently updated and so does the price and design of the new edition. It helps the students to get the latest knowledge of the specific subject.

3 0
3 years ago
Though not universally true, a president's approval rating is likely to be highest when?
Whitepunk [10]
At the during their term following inauguration.

According to Gallup, The approval ratings for Presidents Truman through Obama were as follows:

1st term: 47%-74%

2nd term: 36%-60%

Approval ratings drop significantly from the 1st to 2nd terms.

A typical question asked to poll participants is “do you approve or disapprove with the way the President is handling his duties?”
6 0
3 years ago
Other questions:
  • How many of the four hijacked airplanes hit their intended targets during Sept.11 terrorist attack?
    13·1 answer
  • A person's name, birthday, and social security number are all examples of:
    8·1 answer
  • The international monetary system refers to a system to regulate fixed exchange rates before the introduction of the euro.
    13·1 answer
  • Jake is trying to teach his dog Peach how to roll over. He first gives Peach a treat whenever Peach sits. Next, he no longer rew
    12·1 answer
  • Before the American Civil War, Irish Americans, most of them working-class, opposed the Emancipation Proclamation and the freein
    6·1 answer
  • As a general rule, when driving in the city, select atravel lane with the least amount of congestion and stay in the lane you ha
    14·1 answer
  • Based on what you learned during this lesson and analyzing the image above answer the following question. 50% of US foreign aid
    9·2 answers
  • Multiple choice questions
    6·2 answers
  • The US presidential election of 1828 was
    12·2 answers
  • Why did elizabeth l try to bring protestants and catholics together
    15·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!