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
Triss [41]
3 years ago
10

Two cars traveled equal distances in different amounts of time. Car A traveled the distance in 2.4 h, and Car B traveled the dis

tance in 4 h. Car A traveled 22 mph faster than Car B.
How fast did Car A travel?



mph
Mathematics
1 answer:
S_A_V [24]3 years ago
6 0
Given:
t A = 2.4 h
t B = 4 h
v A = 22 + v B

Solution:
Distance A and distance B is the same, distance could be defined using formula d = v × t
d A = d B
(v A × t A) = (v B × t B)

plug in the numbers
v A × 2.4 = v B × 4
(22 + vB) × 2.4 = 4 vB

remove the parenthesis using distributive property
(22 × 2.4) + (2.4 × vB) = 4vB
52.8 + 2.4vB = 4vB
add like terms
52.8 = 4vB - 2.4vB
52.8 = 1.6vB
52.8/1.6 = vB
vB = 33
the speed of car B is 33 mph

vA = 22 + vB
vA = 22 + 33
vA = 55
the speed of car A is 55 mph
You might be interested in
Anyone know the answer to this algebra question?
lana [24]

Answer:

possibly the third maybe

4 0
3 years ago
Can y’all help me on question 6?!
myrzilka [38]
The correct answer would be A. Hope this helps
6 0
3 years ago
Which line is parallel to a line that has a slope of 3 and a y-intercept at (0, 0)?
saul85 [17]

Answer:

HJ

Step-by-step explanation:

we know that

If two lines are parallel, then their slopes are the same

so

The slope of the line that is parallel to a line that has a slope of 3 is equal to 3

Verify the slope of the blue and red line , because their slopes are positive

<em>Blue line</em>

we have

C(-3,0),D(3,2)

The slope m is equal to

m=(2-0)/(3+3)

m=2/6

m=1/3

<em>Red line</em>

we have

H(-1,-4),J(1,2)

The slope m is equal to

m=(2+4)/(1+1)

m=6/2

m=3

therefore

The answer is the red line HJ

4 0
3 years ago
A tree grows vertically on a hillside. The hill is at a 16° angle to the horizontal. The tree casts an 18-meter shadow up the hi
elixir [45]
The height of the tree is the sum of the part below the line parallel to the horizontal and the part above the line parallel to the horizontal.

Height of the part below the line parallel to the horizontal = 18 sin16° = 4.96 meters
Horizontal distance of the tip of the of the shadow from the tree = 18 cos16° = 17.30 meters
Height of the part above the line parallel to the horizontal = 17.3 tan68° = 42.83 meters

Height of the tree = 4.96 + 42.83 = 47.79 meters
8 0
3 years ago
Need help with khan, again.
IrinaK [193]

Answer:

6.28

Step-by-step explanation:

1/2 x 3.14 x 2^2 = 6.28

5 0
3 years ago
Other questions:
  • What is the value of y?
    7·1 answer
  • Determine whether the three segment lengths will produce a triangle. Type yes or no in the space provided.
    11·1 answer
  • What is the equation of a line parallel to y = 7x - 8 that passes through (5,-2)?
    14·2 answers
  • Solve for 19= -3a -5
    7·2 answers
  • Binomial Coefficients (30pts) 1. Write (a + b)^2 as a polynomial in standard form. Show work (FOIL/distributive property).
    15·1 answer
  • After 6 matches a volley ball team has an average score of 2.5 goals.How many goals has the team scored
    5·1 answer
  • A Ferris wheel has a diameter of 50 meters and makes one revolution every 15 minutes
    15·1 answer
  • Please I need help!!!!
    13·2 answers
  • A child earns $5 each week for watering a neighbor’s garden. Which equation represents the total amount the child earns, t, for
    10·1 answer
  • Pls help me uwuwuwuuwuwuww
    14·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!