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
Arlecino [84]
3 years ago
13

If they immediately ran in opposite directions with speeds of 180 feet per minute and 120 feet per minute respectively, how many

minutes would pass before they were 2,420 feet apart?
Mathematics
2 answers:
Damm [24]3 years ago
8 0
This is like half the question, but I guess you got the important stuff down...lol. Anyways, the runners run for the same amount of time.  They both stop when the distance between them in 2420, so the thing that's different is their rates, which means that the one that runs faster goes farther than the one that runs slower.  But we don't know the distance they each run, so we can call the distance the faster guy runs "d" and the other distance "2420-d".  Rates are 120 and 180, respectively.  Since d = rt and the time is the same for both, we solve for t to get that t = d/r.  Set up the ratios and cross multiply to solve for d: \frac{d}{120} = \frac{2420-d}{180} and 180d=290400-120d.  300d=290400 and d = 968.  Go back to your original equation of d=rt and sub in the d of 968 to solve for t: d=120t so 968=120t and t = 8.06 minutes.
Olin [163]3 years ago
5 0
2420 / (180 + 120) = 8 2/3 minutes.
You might be interested in
HELP!!!! BRAINIEST ANSWER + POINTS!!! PLEASE BE SERIOUS (I NEED ALL 5 POINTS + EXPLANATION)
skelet666 [1.2K]

Answer:

slope=3

y-intercept=-1

Step-by-step explanation:

5 0
2 years ago
9(a+2)=9 <br> con comprobación plisss!!
icang [17]

Answer:

9a+18=9

9a=-9

a=-1

Step-by-step explanation:

6 0
3 years ago
A pyramid of volume 344 square units is sliced into two pieces by a plane parallel to the base of the pyramid and 10 units away
Tom [10]

Answer:

80 units

Step-by-step explanation:

v = 1/3 bh

v₁ = 1/3 * b * h₁ = 344

v₂ = 1/3 * b * h₂ = 301

v₁ / v₂ = h₁ / h₂ = 344 / 301

h₂ = h₁ - 10

h₁ / (h₁ - 10) = 344 / 301

344 * (h₁ - 10) = 301 * h₁

344* h₁ - 3440 = 301 * h₁

43 * h₁ = 3440

h₁ = 80

4 0
2 years ago
Samantha moved out of her house and sold some tables and chairs. She sold 30 chairs and tables and made a total of 1640. If each
azamat
14 tables and 16 chairs
8 0
3 years ago
Read 2 more answers
Adam is buying a hot air balloon for 19,000 with a down payment of 5,000. The bank approved a simple interest flat rate loan for
Aneli [31]

The monthly loan payments are $350 ⇒ B

Step-by-step explanation:

Simple Interest formula (Principal + Interest)  is A = P(1 + rt)  where:

  • A is total accrued amount (principal + interest)
  • P is principal Amount
  • r is rate of interest per year in decimal
  • t is time period involved in months or years

Adam is buying a hot air balloon for 19,000 with a down payment of 5,000. The bank approved a simple interest flat rate loan for 5 years at 10%APR.

We need to find how much the monthly loan payments are

∵ Adam is buying a hot air balloon for $19,000 with a down payment

  of $5,000

- Subtract the down payment from the cost of the balloon

∴ P = 19000 - 5000 = 14000

∵ The bank approved a simple interest flat rate loan for 5 years at

   10% APR

∴ t = 5

∴ r = 10% = 10 ÷ 100 = 0.1

- Substitute all of theses values in the formula above

∵ A = 14000[1 + 0.1(5)]

∴ A = 21000

∴ The loan payment is $21000

- The loan will pay in 5 years

∵ The number of monthly payment = 5 ×12 = 60

- Divide the amount of loan payment by 60

∴ The monthly loan payments = 21000 ÷ 60 = 350

The monthly loan payments are $350

Learn more:

You can learn more about the monthly payment in brainly.com/question/788903

#LearnwithBrainly

3 0
3 years ago
Other questions:
  • It is recommended that adults get 8 hours of sleep each night. A researcher hypothesized college students got less than the reco
    7·1 answer
  • Blank plus 149 equals 200
    15·1 answer
  • 23. Mr. Russo has 2856 raffle tickets that he will
    15·1 answer
  • Which of the following expressions is equal to 5 - 2m
    9·1 answer
  • The average distance of the Moon from Earth is 386,242,560 m. Represent 386,242,560 in scientific notation.
    8·1 answer
  • What single percentage change is equivalent to a 11% decrease followed by a 21% increase?
    6·1 answer
  • Debra runs 3 miles in 25 minutes. At the same rate, how many miles would she run in 20 minutes?
    11·1 answer
  • Ben's living room is a rectangle measuring 11 yards by 204 inches. By how many feet does feet does the length of the room exceed
    8·1 answer
  • What’s the area and the perimeter and of the triangle?
    14·1 answer
  • I need help with this question
    7·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!