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
egoroff_w [7]
3 years ago
6

Two cars are on the same straight road. Car A moves east at 55 mph and sounds its horn at 625 Hz. Rank from highest to lowest th

e frequency observed by Car B’s driver in each of these cases: Car B is moving east at 70 mph and is (a) behind and (b) in front of Car A. Car B is moving west at 70 mph and is (c) behind and (d) in front of Car A.
Mathematics
1 answer:
Fantom [35]3 years ago
8 0

Answer:

1. Car B is moving east at 70MPh and is in from of car A

2.car B is moving west at 70 mph and is behind car A

Step-by-step explanation:

Use the cardinal point system to evaluate the problem first

You might be interested in
I WILL NO JOKE MARK BRAINIEST IF SOMEONE ACTUALLY ANSWERS THIS!
UkoKoshka [18]

You can see that the area of the blue rug is 2*2 or 4. The area of the rug needed to cover the stain will have to be 4*4 or 16. This means that the original rug will need to be dilated by 4 to cover the stain (4 (original) times 4 = 16 (new))

6 0
3 years ago
Jill incorrectly subtracted the two mixed numbers to find how much more blue fabric than purple fabric she should buy. Her work
Pavlova-9 [17]
41-32=9
12-9=3

9 is not equal to 3
6 0
3 years ago
Ivan and Tanya share £150 in the ratio 4:1<br> How much more does Ivan get than Tanya
mina [271]

Answer:

Ivan gets £90 more than Tanya

Step-by-step explanation:

Given that

Total amount = £150

Ratio: 4:1

First of all we have to find the sum of ratio: 4+1 = 5

Now,

Ivan's Share:

= \frac{4}{5} * 150\\= 120

Tanya's Share:

=\frac{1}{5} * 150\\= 30

Ivan gets £120 and Tanya gets £30

The difference between their shares is the answer.

So,

= 120-30 = 90

Hence,

Ivan gets £90 more than Tanya

6 0
3 years ago
Can someone solve with working/solution these 3 questions Plzzz
Arada [10]

Answer:

(c) x=55°

(d) x=21°

(e) x°=42° and y°=16°

Step-by-step explanation:

The triangle is an isosceles triangle with the base angles which are identical. The double stroke on the sides of the triangle indicates which angles are the base angle. The angle corresponding to the side of the triangle with no double stroke is known as the vertex angle.

(c) The given angle is the vertex angle in this question and it is 70°

Since, x° is one of the base angle, then the other angle which is not drawn is identical to x° .

Total angle of a triangle is 180°.

180°-70°=2x°

2x°=110°

Divide by 2 on both sides to get x°

x°=55°

(d)

The given angle is a base angle in this question and it is 63°.

Since base angles are identical, then

63°=3x°

Divide by 3 on both sides to get x°

x°=21°

(e)

The given angle 48° is a base angle.

Since base angles are identical, then

48°=3y°

Divide by 3 on both sides to get y°

y°=16°

Total angle of a triangle is 180°.

So, 180°-48°-3y° =2x°

2x°=84°

Divide by 2 on both sides to get x°

x°=42°

4 0
3 years ago
what is the constant of variation for the quadratic variation of x |2|3|4|5|6| fx |28|63|112|175|252|
hjlf
F(x) = k*x^2
You can find k using only the first point.
28 = k*2^2
7 = k

The constant of variation is 7.
8 0
3 years ago
Other questions:
  • Find the measurement of angle a.<br> ∠a =
    9·1 answer
  • Computer usage has increased over time. But has the increase been more linear or more exponential? In 1997, 22.2% of the populat
    12·1 answer
  • Bacteria can multiply at an alarming rate when each bacteria splits into two new cells, thus doubling. If we start with only one
    12·1 answer
  • What is the geometric mean of 5 and 18?
    11·2 answers
  • The diagram shows squares 1, 2, and 3 constructed on the sides of a right triangle.
    7·1 answer
  • 5x - 7 = -13 solve the x
    7·2 answers
  • Nevaeh invested $1,200 in an account paying an interest rate of 2⅞ % compounded quarterly. Paisley invested $1,200 in an account
    11·2 answers
  • Hurry please !!!!!!!
    15·1 answer
  • Will give brainliest D:
    12·2 answers
  • A garden is in the shape of a square of length 35 2/5 m. find its (i) perimeter and (ii) area.​
    10·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!