Help ASAP!!!! WILL GIVE ALL MY POINTS!!


6. Two kids are roller skating. Amy, with a mass of 55 kg, is traveling forward at 3 m/s. Jenny, who has a mass of 40 kg, is traveling in the opposite direction at 5 m/s. They crash into each other and hold onto each other so that they move as one mass. How fast are they traveling?

Answers

Answer 1

They traveling at -0.37 m.s^-1 along the direction of 55 kg kid.


Related Questions

Mr. Freeman has a square cornfield. Which of the following could be the area of the cornfield if the sides are measured in whole numbers? Select all that apply.
A.164,000 ft2
B.156,816 ft2
C.174,724 ft2
D.215,908 ft2

Answers

Step-by-step explanation:

i think both B and C are correct. for whole numbers 0,1 ,2... there must not be decimal.

area of square is l^2. so here square root of B and C are whole numbers.

What is one tenth seven hundredths three thousandths in standard form?​

Answers

Answer:

173/1000

Step-by-step explanation:

Please help me. I don’t know which phone contract is better.


I am going to change my phone contract. The monthly contract I am considering costs $30 per month with 75 minutes of free calls and 100 free text messages. Additional calls cost 10¢ per minute and additional text messages 10¢ each. An alternative is ‘Pay as you go’ which has no monthly charge but all calls cost 30¢ per minute and texts cost 10¢ each. I typically make 100 minutes of calls and 60 text messages each month. Which would be the better contract for me and by how much?

Answers

Answer:

the monthly contract seems pretty good

Step-by-step explanation:

why pay 30 cent or 10 cent per min when you can just pay monthly cause eventually you going to be paying the same amount . hope this helpsssssss. brainliest:)

how do I do this? can someone please help me

Answers

Answer:

(-4,3)

Step-by-step explanation:

Answer:

P = -4, 3

Step-by-step explanation:

Locate the x-axis (horizontal) location of point P, starting from zero

Point P's x-axis = -4

Now locate the y-axis (vertical) location of point P, starting from zero

Point P's y-axis = 3

Combine the two axes in a coordinate equation.

Point P = (-4, 3)

Note that zero is located at the intersection of the two axes.

$6.89 per pound for salmon OR $3.50 for 8 ounces (half a pound) of salmon

Answers

Answer: 6.89 per pound (assuming you meant which is the better deal)

Step-by-step explanation:

There are 16 ounces in a pound so you can multiply, 3.5 x 2 (since it is 3.5 for 8 ounces) to get 7. Therefore $6.89 for a pound is cheaper.

Please Help Me with this, I need to get finished

The area of a circle will _____ be larger than the area of a polygon circumscribed about the circle.

always
often
sometimes
never


The area of a regular hexagon inscribed in a circle with radius 2 is what. Round your answer to the nearest tenth.

Answers

Answer:

often

Step-by-step explanation:

YOU SEE i have depression

it feels like it wouldn't be long until something happens

ALSO, I FEEL DEAD INSIDE!!!!!:(sometimes I start to twitch and my face turns completely white depression+anxity don't mix well

Solve for m.
m
15.02 = + 19.16
-4
m
Submit

Answers

Answer:

The answer is No.

Step-by-step explanation:

Due to 19.16 - 4 equaling 15.16, it isn't correct. 15.16 doesn't equal 15.02.

If I missed part of the question let me know, the question seems incomplete.

4x+7(3x-3)=9-5x show work please

Answers

Answer:

x = 1

Step-by-step explanation:

4x+7(3x-3) = 9-5x (equation)

4x+21x-21 = 9-5x (simplify)

25x-21 = 9-5x (combine like terms)

30x-21 = 9 (add 5x to each side)

30x = 30 (add 21 to each side)

x = 1 (divide each side by 30)

2(x+3)=x-4
Anyone know the answer please lol

Answers

Answer:

The Answer is -10.

mark this answer as BRAINLIEST answer. And I hoped this helpful for you....

Thank you ☺️☺️

Lets solve your equation step-by-step

2(x+3)=x-4

Step 1 :Simplify both sides of the equation

2(x+3)=x-4

(2)(x)+(2)(3) =x+-4 (distribute)

2x+6=x+-4

2x+6=x-4

Step 2: Subtract x from both sides

2x+6-x=x-4-x

x+6=-4

Step 3: Subtract 6 from both sides

x+6-6=-4-6

Answer: x=-10

PLEASE MARK ME AS BRAINLIEST !!

Question 8
If h (2) = 2x + 1. find the value of x if h(x) is 11.
5
23
-23
7

Answers

I think the answer is 23

!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

0.5/10 5/100 are these ratios equal?

Answers

Answer:

No

Step-by-step explanation:

5/100 would be 0.05 as a decimal

Choose the answer that best represents the situation described below.
Sue wants to mail a glass vase. The bigger the box she uses, the more
packing materials she will need to make sure the vase will not break.
A. The size of the box is a function of the amount of packing
materials needed.
B. The amount of packing materials needed is a function of the size
of the box
C. The size of the box is a function of the size of the vase.

Answers

Answer:

b The amount of packing materials needed is a function of the size

of the box

Step-by-step explanation:

The amount of packing materials needed is a function of the size

of the box

Determine whether the ratios are proportional.
10/12 , 15/18

Answers

Answer:

yes, these ratios are proportional.

Step-by-step explanation:

yes they are! proportional ratios are like equivalent fractions.

10/12 is equal to 5/6

15/18 is also equal to 5/6

Acre Middle School spent $1443.20 on 55 math books. How many did each book cost

Answers

Answer:

Each book cost $26.24 ^‿^

$1,443.20 ÷ 55 = $26.24

simplify: 3x+16-(-4x)+7

Answers

Answer:

7x+23 would be the answer

Help please!!!!!!!!!!

Answers

Answer:

The answer is x=18, I believe.

Please help me I really need it..

Answers

Answer:

[tex]\frac{1}{8^{2} }[/tex]

Step-by-step explanation:

I need help with angles

Answers

Answer:

The value of x is 8

The measure of angle A is 42 degrees

A and B are consecutive interior angles

Step-by-step explanation:

Since A and B are consecutive interior angles you combine both equations and have it equal to 180

16x+10+5x+2=180

21x+12=180

21x=168

x=8

Plug 8 into the equation across from A

16(8) +10

128+10

138 degrees

Since angle A is supplementary you do 180-138= 42 degrees

Help plsssssssssss T.T

Answers

Answe == 3a^2b^3 !!!

Which statement correctly compares the function shown on this graph with
the function y = 2x - 5?

A. The function shown on the graph has a smaller rate of change and lower starting point.

B. The function shown on the graph has a smaller rate of change, but a higher starting point.

C. The function shown on the graph has a greater rate of change and a higher starting point.

D. The function shown on the graph has a greater rate of change, but a lower starting point.

Answers

It’s c because I just got finishes taking the test

The correct option is Option C: The function shown on the graph has a greater rate of change and a higher starting point.

What is the rate of change of function?

The rate of change of function is the change in the value of the function with respect to x value.

rate of change of function f(x)= df(x)/dx= f'(x)

Here the function given in the question is y=2x-5

rate of change of function= f'(x)= df(x)/dx= dy/dx= d(2x-5)/dx= 2

the starting point of the function f is y-intercept of the function.

the y-intercept of the function is the point where the function touches the y-axis which can be calculated by putting x value is equals to 0.

y= 2x-5

⇒y= 2*0-5

⇒y= -5

The starting point of function is -5.

Given the graph has slope = |y-intercept| / |x intercept|

= 4/1 =4

rate of change of graph = slope of graph= 4

similarly, the y-intercept of the function is the point where the function touches the y-axis which can be calculated by putting x value is equals to 0.

The y-intercept of the graph= the starting point of the graph= -5

Therefore the function in the graph has a higher rate of change as well as a higher starting point.

From the above, it is clear that the correct option is Option C: The function shown on the graph has a greater rate of change and a higher starting point.

Learn more about the rate of change of function

here: https://brainly.com/question/3939432

#SPJ2

You have $65.00 in birthday money and want to buy some CDs and a DVD.
Suppose a DVD cost $15.00 and a CD cost $12.00. Write an inequality to find
out how many CDs you can buy along with one DVD. Solve the inequality.

Answers

Answer:

1 dvd and 4 cds

Step-by-step explanation:

If you have $65.00 and 1 dvd costs $15.00 that leaves you with $50.00 and each CD costs $12.00 just multiply by 12s until you get to 50 or close so there you can buy 4 CDs and have 2$ left.

what operation is this

18 + 3 x 6 / 2

Answers

The operation is multiplication.
Homework:What operation is this : 18 + 3 × 6 ÷ 2

Explanation:

18 + 3 × 6 ÷ 2

First let's solve the multiplication

18 + 18 ÷ 2

Following the division

18 + 9

Add

[tex]\boxed{27}[/tex]            ← Result

Att: MusicSubtitulados

There are seven colors of the rainbow. How many different ways are there to choose a group of three colors?

Answers

Answer: 35 ways

.......................................

Billy's Boat Rental Company charges a yearly fee of $105 and $9.50 each time a member wants to rent a boat. Lisa's Boat Rental Company does not charge a yearly fee, but charges $14.75 every time a member rents a boat. How many times does a person have to rent a boat for the cost to be the same amount at both rental companies?

Answers

Step-by-step explanation:

we can proceed to model the cost of Billy's Boat Rental Company

let y be the cost

let x be the number of rentals

y=105+9.5x----1

Also, the cost of Billy's Boat Rental Company

y=14.75------2

the question is "How many times does a person have to rent a boat for the cost to be the same amount at both rental companies"

we have to equate the two cost and solve for x

105+9.5x=14.75

105-14.75+9.5x=0

90.25+9.5x=0

9.5x=-90.25

divide both sides by 9.5 we have

x=-90.25/9.5

x=9.5

Approximately 10 times

2x^2+8−3=0 Complete the square

Answers

Answer:

- 5/4 or - 1 1/4

Step-by-step explanation:

Step 1:

2x² + 8 - 3 = 0      Equation

Step 2:

4x + 8 - 3 = 0      Exponents

Step 3:

4x + 5 = 0      Combine Like Terms

Step 4:

4x = - 5     Subtract 5 on both sides

Step 5:

x = - 5 ÷ 4    Divide

Answer:

x = - 5/4 or - 1 1/4

Hope This Helps :)

Write the equation of a line that is perpendicular to y = 5 and that passes through the point (-7,-5).

Answers

Answer:  x = -7

Step-by-step explanation:

x = -7 will be a vertical line passing through all y values, and perpendicular to y = 5

The attached graph shows the lines and the point.

what is the inverse of the function h(x)= -3/8x+12?

Answers

Answer:

x+3-12/8

Step-by-step explanation:

h(x)=-3/8x+12

y=h(x) let

y=-3/8x+12

here,

put at x at y and put y at x

x=-3/8y+12

8y=x+3-12

y=x+3-12/8

Which expression has a value of -5?
A
15 = 3
B
-25-5
100 = -20
-20 = 5

Answers

-20=5 trust audhebsjsbsb
D: -20 = 5

i hope I helped ya!

4 ( g + 5 ) + 2 ( g + 3 )

Answers

Answer:

[tex]g = - \frac{13}{3} [/tex]

Step-by-step explanation:

4g+20+2g+6=0

6g=-26

[tex]g = - \frac{26}{6} [/tex]

[tex]g = - \frac{13}{3} [/tex]

you have to simplify the expression so i think the answer is 6g + 26

hope this helps :)

Solve the problem please

Answers

Answer:

The correct answer would be 3x/5y

Step-by-step explanation:

You are substracting, and the denominator is the same for both 5x/5y and 2x/5y, so it will remain the same (5y). This only leaves you needing to substract 5x-2x, which equals 3.

5x/5y-2x/5y= 3x/5y

Simplifying Difference of Rational Expressions

Step-by-step explanation:

[tex]\frac{5x}{5y}-\frac{2x}{5y}\\ \frac{5x -2x}{5y}\\ \frac{(5-2)x}{5y} \\ \frac{3x}{5y}[/tex]

Answer:

[tex]\frac{3x}{5y} \\[/tex]

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