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
Hatshy [7]
2 years ago
12

A ship traveled for 4 hours heading east and for 3 hours heading north. If the total distance traveled was 149 miles, and the sh

ip traveled 3 miles per hour faster heading north, at what speed was the ship traveling east?
Mathematics
1 answer:
Alex2 years ago
8 0
D=vt,   distance is equal to velocity times time.

4v+3(v+3)=149 perform indicated multiplication

4v+3v+9=149  combine like terms on left side

7v+9=149  subtract 9 from both sides

7v=140  divide both sides by 7

v=20

So the ship traveled at a speed of 20 mph when heading east.
You might be interested in
I need help can someone help me pls
sattari [20]

Answer:

D: 25 miles

Step-by-step explanation:

Pythagorean Theorem:

a^{2} + b^2 = c^2

36^2 + b^2  =  39^2

1,296 + b^2  =  1,521

b^2  =  225

b  =  25

4 0
2 years ago
An engineer stands 200 feet from a tower and sights the top of the tower at a 45° angle of elevation. Find the height of the tow
Alik [6]
Drawing a diagram of a triangle may be helpful. The hypotenuse is irrelevant, but the vertical leg and the horizontal leg are useful. Since we know the engineer is looking up at a 45 degree angle from a distance of 200 feet, we can label the vertical leg the "opposite", since it is on the opposite side of the angle we are given. The horizontal leg then becomes the "adjacent". You can then use trigonometry to solve for the opposite. 
The options are:
sin(theta)= opposite/hypotenuse
cos(theta)= adjacent/hypotenuse
tan(theta)= opposite/adjacent
Since we don't care about the hypotenuse, the last equation is the one to use. The angle we are given can be substituted in for theta:
tan(45)= x/200
1.61977519= x/200
x= 323.955038 feet
6 0
3 years ago
What is the y-intercept of the function f(x) = 2x – 3 + 6? <br> Round to two decimal places.
valina [46]
Y-intercept is where the graph intercepts/crosses the y-axis. So where x = 0
f(0) = 2(0) - 3 + 6
f(0) = 0 + 3
f(0) = 3
y intercept is 3
two decimal places, just add zeros
= 3.00
6 0
3 years ago
Which of the following functions would not graph as a straight line?
spin [16.1K]

Answer:

A) f (x) = -x^{2}- 3

Step-by-step explanation:

5 0
2 years ago
Read 2 more answers
Please help I don’t know the answer
kvv77 [185]

Answer:

It is a picture of colors

Step-by-step explanation:

hopefully you can get it ;)

3 0
3 years ago
Other questions:
  • A spinner is numbered from 1 through 10 with each number equally likely to occur. What is the probability of obtaining a number
    9·2 answers
  • Can you answer this it’s urgent please hurry and answer I really need help
    11·2 answers
  • Choose the answer based on the most efficient method as presented in the lesson. If the first step in the solution of the equati
    15·1 answer
  • Calculate the new balance using the previous balance method. Previous balance = $34.80 Finance charge = $0.75 New purchases = $8
    14·1 answer
  • 92.4 is 150% of what number?
    10·2 answers
  • What is the slope of the line?
    10·1 answer
  • Factor -1/3 out of -1/3 - 18
    10·2 answers
  • Representative money has value because:
    12·1 answer
  • Surface area and volume
    13·1 answer
  • Guys im not in high school im in middle school
    14·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!