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
erik [133]
3 years ago
13

Malcom and Ravi races each other. The average of their maximum speeds was 260 km/h. If doubled, Malcom's maximum speed would be

80 km/h more than Ravi's maximum speed. What were Malcom's and Ravi's maximum speeds
Mathematics
1 answer:
Kay [80]3 years ago
8 0

Answer:

Malcom's maximum speed is 200 km/h

Ravi's maximum speed is 320 km/h

Step-by-step explanation:

First we have to make two equations one that represents the maximum average speed of the 2 together and another that represents the relationship between their maximum speeds

R = Ravi's maximum speed

M = Malcom's maximum speed

(R + M) /2 = 260 km/h

2M = R + 80 km/h

we are going to solve for M in the first equation

(R + M) /2 = 260 km/h

(R + M)  = 260 * 2

M = 520 - R

we replace M with (520 - R) in the second equation

2M = R + 80 km/h

2(520 - R) = R + 80

1040 - 2R = R + 80

1040 - 80 = R + 2R

960 = 3R

960/3 = R

320 = R

replace R with its value in the first equation

M = 520 - R

M = 520 - 320

M = 200

Malcom's maximum speed is 200 km/h

Ravi's maximum speed is 320 km/h

You might be interested in
Line AB contains points A (−2, 6) and B (4, 5). The slope of line AB is −6 negative 1 over 6 1 over 6 6
kolezko [41]
To work out the slope of a line, you have to divide the difference in y by the difference in x

The difference in y = 5-6 = -1
The difference in x = 4--2 = 6

So, -1/6 is the answer
7 0
4 years ago
Read 2 more answers
−4x+7y+5=0<br> x−3y=−5<br> ​How many solutions does the system have?
oksano4ka [1.4K]
A (solution) is a point of intersection. If the lines have different slopes then they will have one solution. If they have the same slope, then they will have either infinite or no solutions, depending on the y intercepts.

These equations have different slopes, therefore the system has 1 solution.
4 0
3 years ago
Is the answer to this question 4.5
Novay_Z [31]

Answer:

x = 30

Step-by-step explanation:

m<E = [m(arc)AD - m(arc)BC]/2

50 = (130 - x)/2

100 = 130 - x

-x = -30

x = 30

3 0
3 years ago
Simplify. Assume that all variables represent positive real numbers. sqrt y^9
ahrayia [7]
See picture for answer.

3 0
4 years ago
Given the following set:<br> {2,3,5, 6, 8, 9, 11, 12, 14, 15, 18}<br> What is Q3?
xxMikexx [17]

Answer:

Step-by-step explanation:

15

8 0
3 years ago
Read 2 more answers
Other questions:
  • What is the value of m in the equation , when n = 8?
    11·2 answers
  • If we list all the natural numbers below 10 that are multiples of 3 or 5, we get 3, 5, 6 and 9. The sum of these multiples is 23
    11·1 answer
  • Can someone please help??
    7·1 answer
  • 1.) Any measure representing the center of a set of data arranged in a decreasing or increasing order of magnitude.
    15·1 answer
  • Which TWO representations show the same function<br><br>(picture included)​
    10·1 answer
  • PLZ HELP
    6·1 answer
  • 2 2/3 +2 2/3 + 2 2/3 +2 2/3
    12·2 answers
  • Find the value of x.<br> x=
    9·1 answer
  • Simplify 3/8 and 9/64<br><br> PLEASE HELP
    15·1 answer
  • Help me please this is due in 3 hour's​
    11·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!