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
True [87]
3 years ago
11

One plane at 520 feet is ascending at a rate of 40 feet per minute. While another plane at 3800 feet is descending at a rate of

120 feet per minute. How long will take the two planes to be at the same altitude?
Mathematics
1 answer:
cluponka [151]3 years ago
5 0

It takes 20.5 minutes for the two planes to be at the same altitude.

<u>Step-by-step explanation</u>:

Let 't' be time at which the two planes be at the same altitude.

  • One plane at 520 feet is ascending at a rate of 40 feet per minute.

⇒ 520 + 40t

  • Another plane at 3800 feet is descending at a rate of 120 feet per minute.

⇒ 3800 - 120t

When two plane be at the same altitude,

⇒ 520 + 40t = 3800 - 120t  

⇒ 160t = 3280

⇒ t = 3280/160

t = 20.5 minsutes

You might be interested in
What is this I don’t understand can you help me <br> 47% of 70
satela [25.4K]

Answer:

32.9

Step-by-step explanation:

47% of 70 would be answered by doing the following

0.47 x 70 = 32.9

To convert from a percent into a decimal, divide the percent by a hundred and you will have your decimal.

5 0
3 years ago
Read 2 more answers
4x+5y=-35? A) y=-4/5x-7 B)y=1/5x-7 C)y=-7x+1/5 D)y=7x+1/5
dalvyx [7]
The answer is. A) y=-4/5x-7
Just compare, and they will equal each other.
3 0
3 years ago
Find the following measure for this figure.
Yuliya22 [10]

Answer:

576 Sq.units

Step-by-step explanation:

Multiply all of the numbers together

5 0
3 years ago
What % of people who like chocolate also like pizza
vitfil [10]

Answer: 45% is my guess

Step-by-step explanation:

7 0
3 years ago
Read 2 more answers
Which rays are part of line BE?<br> Ac and<br> O AB and AĖ<br> AC and AB<br> AB and F
Zanzabum

Answer:

We are given a diagram with different rays and lines.

Note: A line can be extend more and more upto infinitely length from both of the ends but a ray can be extend from end only.

We need to find the rays for the line BE.

We can see BE line has a point A in between line.

So, we can name the rays formed with end point A as AB and AE.

Therefore,  AB and AE rays are part of line BE.

So, the correct option is 2nd option :

AB and AE.

Step-by-step explanation:

3 0
3 years ago
Other questions:
  • 1. A town's low temperature was -8 degrees. The difference between the town's high and low temperature for January was 25 degree
    7·1 answer
  • Write the linear inequality shown in the graph. The gray area represents the shaded region.
    15·2 answers
  • What is the volume of a rubber ball that has a radius of 1.7 cm
    10·2 answers
  • What is the remaining number in a percent problem called
    14·1 answer
  • What is two point thirty-fourth hundredths as a fraction?
    15·2 answers
  • For the following linear system, put the augmented coefficient matrix into reduced row-echelon form.
    9·1 answer
  • Help me plz I need it
    13·2 answers
  • What the answer please​
    6·2 answers
  • 1
    6·1 answer
  • Find all zeros.
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!