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
Y_Kistochka [10]
3 years ago
10

Can someone please help me?

Mathematics
1 answer:
Fofino [41]3 years ago
6 0
Answer: 77 CD’s

Step by step:
Since we are writing a proportion it will look like this .....
33/1.5 = x/3.5 ( 33 over 1.5 and x over 3.5)

Now that we have our proportion , you cross multiply.....
33 x 3.5 = 115.5
“X” x 1.5 = 1.5x
So now you will have an equation that looks like this....... 1.5x=115.5
Once you have that then you divide 1.5 from each side , then after that then you should have x=77
So it takes 77 CD’s to be in a 3.5 inch high stack .
Hoped this helped , if it didn’t I apologize
Good luck
You might be interested in
Can someone please help me.
Art [367]

I will give you everything I can do:

11)

Lets say Car A travels at x mph. That means Car B travels at x+2 mph.

Both of them are traveling towards each others, so we can say the total speed is 2x+2.

Now i takes 3 hrs and we know the distance.

Since R*T=D

Then 3(2x+2)=270

So 2x+2=90

2x=88

x=44

12)

To find perpendicular we want to find the opposite reciprocal of the original slope. Therefore the slope is 3/2.

Now we must find the equation of the line with the given variable.

First find b.

5=3/2*4+b

b = -1

So the equation of this line is:

y=3/2x-1

13) All work will be shown below.

6-3(-2-4x)=2(3(x-4)+7)

6+6+12x=2(3x-12+7)

12+12x=2(3x-5)

12+12x=6x-10

6x=-2

x = -1/3

14)

First we must find the amount each train traveled.

The speed of F train(Freight train)=x

The speed of P train(passenger train)=x+6

Their combined speed is 2x+6

It takes 2 hrs to cover 100 miles

So 2(2x+6)=100

2x+6=50

2x=44

x=22

So the freight train covered 44 miles and the passenger train covered 56 miles.

To find average speed you must do Total Distance/Total Time.

44/2 and 56/2

Which are 22 and 28.

The average speed of F train is 22 mph and average speed of P train is 28 mph.

15) Again opposite reciprocal.

3/5 -> -5/3

Work:

-4=-3*-5/3+b

-4=5+b

b=-9

y = -5/3x-9

16)

F=kx-kx0

First kx0 = 0

So F=kx

So x=F/k

4 0
3 years ago
Which of the following is an example of VOLUME
zavuch27 [327]

I believe it would be 2, how much water is used to fill a cup

4 0
3 years ago
Caleb has an assignment to draw a contour map. What type of landform is he most likely drawing?
marysya [2.9K]

The type of land form that Caleb most likely draws is a hill. The answer is option C- a hill.

Step-by-step explanation:

  • Contour lines are <u>drawn to represent the changes in the elevation</u> which helps to know the slope of the figure drawn.
  • If the contour lines are drawn close, then steeper the figure is. And more distant the lines are drawn, then less steep the figure is.
  • Here, the lines seem to be likely circle in shape. The distance of the outermost contour line is 20 ft. The <u>next inner lines will have reduced values of 20 ft.</u>
  • Therefore, <u>the elevation gets reduced from higher to lower points</u> which provides a diagram of a hill. Since there is no continuous high and low elevations, this cannot be a valley (a range of mountains).
  • Furthermore, The contour diagram for option A and D such as creek(water stream) or shoreline will have different and mixed values of elevations that seems to be a messy structure of contour lines.
8 0
3 years ago
May I have some help?
Sveta_85 [38]

Answer: 152

Step-by-step explanation: rep me if I’m wrong

4 0
3 years ago
Read 2 more answers
DIAGRAM IN PICTURE
12345 [234]

Answer:

4.472

Step-by-step explanation:

6 0
3 years ago
Other questions:
  • Solve for "r":<br> 4/3πr^3 = V
    9·1 answer
  • In a circle with a radius of 5cm and is centered at point O, angle AOB intercepts arc AB. Arc AB has a length of 10cm. What is t
    13·1 answer
  • Quien es Juan Gamer YT
    7·1 answer
  • 31% of 40 estimate what is it please help​
    12·2 answers
  • HELPPPP!!!!<br><br><br><br> PLZZZZ!!
    8·1 answer
  • How do you solve 8x-43?
    8·1 answer
  • Simplify 6x−8y−5x+3y
    15·2 answers
  • Solve 10-9x^2+4x=-6x^2
    15·2 answers
  • Sandra received 15 twenty dollar bills. She spent 3/5 and saved 2/5 How much did she save
    5·1 answer
  • I NEED HELP ASAP! HELP
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!