Mathematics High School

Which is an equation of a direct proportion

Answers

Answer 1
k = y/x OR y = kx

hope it helps!

Related Questions

A boxer punches a sheet of paper in midair and brings it from rest up to a speed of 20m/s in 0.044 S

Answers

Complete Question:

A boxer punches a sheet of paper in midair and brings it from rest up to a speed of 20m/s in 0.044 Seconds.

a. what acceleration is imparted to the paper?

b. if the mass of the paper is 0.003 kg, what force does the boxer exert on it?

c. how much force does the paper exert on the boxer?

Answer:

a. Acceleration = 454.55m/s².

b. Force = 1.36N

c. Force = -1.36N

Step-by-step explanation:

Given the following data;

Final velocity = 20m/s

Time = 0.044 seconds.

Since the paper is at rest, we know that it's initial velocity is equal to 0m/s.

a. To find acceleration;

Mathematically, acceleration is given by the equation;

[tex]Acceleration (a) = \frac{final \; velocity - initial \; velocity}{time}[/tex]

Substituting into the equation, we have;

[tex]a = \frac{20 - 0}{0.044}[/tex]

[tex]a = \frac{20}{0.044}[/tex]

Acceleration = 454.55m/s²

b. To find the force exerted by the boxer;

Mass = 0.003kg

Force = mass * acceleration

Force = 0.003 * 454.55

Force = 1.36N

c. To find the force exerted by the paper;

According to Newton's third law of motion which states that, for every action there is an equal and opposite reaction. Therefore, the paper exerts an equal but opposite force on the boxer.

Force = -1.36N

After eating at the restaurant, Benny, Dan, and Mike decided to divide the bill evenly. If each person paid 47 dollars, what was the total of the bill ? What equation should be used? (write the equation followed by the answer)

Answers

The total of the bill is $141 because 47 x 3 = 141.

Find the measure of each angle indicated. Round to the nearest tenth.

Answers

Answer:

theta = 22.6 degrees

Step-by-step explanation:

Here, we want to find the value of theta

To do this , we use the appropriate trigonometric identity

Let us identify the given sides of the triangle

we have the hypotenuse, which is the longest side of the triangle, given as 13 and the third side called the adjacent, given as 12

The trigonometric identity that relates the hypotenuse to the adjacent is the cosine

Mathematically;

cosine of an angle is the ratio of the adjacent to the hypotenuse

Thus, we have it that;

cos theta = 12/13

theta = arc(cos) 12/13

theta= 22.6

please help 10 points

Answers

Answer:

Sana di ten points

Step-by-step explanation:

B

#carryonlearning

The answer would be B

A bag contains 7 milk and 5 dark chocolates. A sweet is selected at random. What is the probability of choosing: P(milk) = P(not milk) =

Answers

Answer: P(7)=P(5)=12

Step-by-step explanation:

The probability of choosing milk and not milk will be 0.5833 and 0.4167, respectively.

What is probability?

Its fundamental concept is that someone will nearly surely occur. The proportion of positive events in comparison to the total of occurrences.

Then the probability is given as,

P = (Favorable event) / (Total event)

A sack contains 7 milk and 5 dim chocolates. A sweet is chosen indiscriminately.

The total number of the sweets will be given as,

Total events = 7 + 5 = 12

The probability of choosing milk will be given as,

P = (7/12)

P = 0.5833

The probability of choosing not to milk will be given as,

P = (5/12)

P = 0.4167

The probability of choosing milk and not milk will be 0.5833 and 0.4167, respectively.

More about the probability link is given below.

https://brainly.com/question/795909

#SPJ5

Find the median of the following data: 1, 6, 12, 19, 5, 0, 6

Answers

Answer:

8 is the median of the data given

Hope it helps

Dm em if it helps

Solve the system of equations 3x – 3y = 30 and 2x + y = 11 by
combining the equations.

Answers

Times bottom equation by 3 and top by 2 to get the same coefficient of x
6x-6y=60
6x+3y=33
Minus the bottom by the top
-9y=27
y=-3
substitute this in to one of the equations
2x -3 = 11
add 3 to both sides
2x=14
x=7

What is the image of (9, 3) after a dilation by a scale factor of 3 centered at the origin?

Answers

Answer:

(27, 9)

Step-by-step explanation:

Hope that helps!

Answer:(27, 9)

Step-by-step explanation:

A principal of $480 earns $108 interest in 5 years . what rate of interest was being paid?​

Answers

Answer:

4.5%

Step-by-step explanation:

Solving our equation

r = 108 / ( 480 × 5 ) = 0.045

r = 0.045

converting r decimal to a percentage

R = 0.045 * 100 = 4.5%/year

The interest rate required to

accumulate simple interest of $ 108.00

from a principal of $ 480.00

over 5 years is 4.5% per year.

Pleaseee find the measurement of angle F! Will mark Brianliest !!!!!!!!!!!!!

Answers

Answer:

f=131

Step-by-step explanation:

What % is 2000 from 40,000

Answers

Answer:

5%

Step-by-step explanation:

2000/40000 = 0.05

All you do is divide both numbers and you'll get the decimal form which in this case is 0.05 which means 5%.

Answer:

5%

Step-by-step explanation:

2000/40000 x 100 = 5%

-f(3)
Function for algebra

Answers

Answer:

-3f

Step-by-step explanation:

i hope this helps

I have 108$
If a pc costs 1,481$
And I earn 15$ a week
How long will it take until I get pc? (Please help!)

Answers

Step-by-step explanation:

$1481 - $108 = $1,373 still to needed to purchase PC

$1,373/ $15 = 91.533...

It will take 92 weeks.

92 weeks because the PC costs 1481 but you already have 108 is you subtract and after that the answer you get you divide it by 15 because that is how much money you make a week and it will show as a decimal so we round up

What is the value of x?
3
10
2y + 4
04
O 6
10 - 2x
08

Answers

Answer:

4

Step-by-step explanation:

We know that oppostie sides of a rectange have to be equal

therefore

18=10+2x

solve for x

8=2x

x=4

Answer:

The value of x is 4

Step-by-step explanation:

For a given rectangle

Lenght (l) = 2y = 10

Breadth (b) = 10 + 2x = 18

Here,

2y = 10 ...(1)

10 + 2x = 18 ...(2)

Now, For x

10 + 2x = 18

2x = 18 - 10

2x = 8

x = 8/2

x = 4

Thus, The value of x is 4

-TheUnknownScientist

Help me it’s urgent

Answers

Answer:

35x16=560

Step-by-step explanation:

Answer:

2.19 i guess

Step-by-step explanation:

I don't really know the actual ans

3. Are the points on the line part of the solution set or not?
a. Yes, they are part of the solution
b. No, they are not part of the solution
c. Maybe, they are part of the solution
d. None of the above​

Answers

Answer:

a. Yes, they are part of the solution

pls help this is hard

Two lines, C and D, are represented by the equations given below:
Line C: y = x + 14
Line D: y = 3x + 2

Which of the following shows the solution to the system of equations and explains why?

(6, 20), because the point does not lie on any axis

(6, 20), because both lines pass through this point

(3, 11), because one of the lines passes through this point

(3, 11), because the point lies between the two axes

Answers

Answer:

(6,20) because both lines pass through this point

Step-by-step explanation:

To solve this you can use the substitution method.

Since both of them are equal to y, substitute one of the equations for y, that way you have x+14 = 3x+2. From here you continue to simplify.

Eliminate x from either side of the equation. For example, subtract x from the side that says "x+14". (Make sure you are also subtracting it from the other side of the equal sign as well.

Once you do this you should now have 14 = 2x+2

In order continue, you now have to get x by itself. So now subtract 2 from both sides of the equation. After doing this, you should have 12 = 2x

You then simplify x by dividing both sides by 2. This will get you x = 6

Now that you have the x-value, substitute that into either of the two equations (it is recommended you substitute it into both equations to make sure you have the correct x-value). For example: If I substitute x into Line C's equation, I will now have y = 6 + 14.

6 + 14 is 20, therefore you're y-value is y = 20

you estimate a lion weighs 250 pounds. the actual weight of the lion is 320 pounds. find the percent error. round your answer to the nearest tenth of a percent.​

Answers

Answer:

21.9%

Step-by-step explanation:

Percent error = amount of error/actual amount

320 - 250 = 70

70/320 (division) = 0.21875

percent = 21.875%

Rounding to nearest tenth = 21.9%

Your answer should be 21.9%, so I hope this helps!

Answer:

22%

Step-by-step explanation:

Classify xyz.
Trying to figure this one out?

Answers

It’s an isosceles triangle!

The ordered pair D(0, –5) is translated 2 units left and 6 units up. The translation notation which describe this translation is ( x - 2 , y - 6 )

Answers

Answer:

Try (x+8) and the other wons

Step-by-step explanation:

Becky roller skated 4/6 of a mile on Wednesday and 2/8 of a mile on Friday. How far did Becky roller skate in all?

Answers

Answer:

3/4

Step-by-step explanation:

4/6 + 2/8 =

x 8     x6

24/48 + 12/48 = 36/48 = 3/4

An arborist examine trees in an orchard to see if they were infected with a virus out of 450 trees 56% had the virus how many trees were infected with the virus ​

Answers

Answer:

252 trees

Step-by-step explanation:

450 trees total

56% are infected

450 * .56 = 252 trees

The figures are similar. Find x.

Answers

Answer:x=16.5

Step-by-step explanation:

22divided by 4 is 5.5

5.5 times 3 is 16.5

Find the length of a
Help plz ASAP

Answers

Answer:

Hey there!

Your answer is c)

Answer:

2√5

Step-by-step explanation:

The triangle that's shown on the page is a special isosceles right triangle with angle measures of 45° - 45° - 90°

Since one of the side length that sees 45° angle measure is 2√5 the other also has to be equal to this value so the answer is 2√5

I'm unsure how to do this question,, could someone help?

Answers

This is corresponding so...hope this helps!

Use elimination to solve each system of equations. Explain your steps in complete sentences. Use the textbox to type your paragraph(s).


x + y = 9

x - y = -3

SOMEONE PLS HELP ASAP!! I WILL GIVE YOU BRAINLIEST! PLS USE COMPLETE SENTENCES AND YOUR OWN WORDS!

Answers

x + y = 9

x - y = -3

so because +y-y= 0 , you can cut it.
x+x=2x 9+(-3)=6
2x=6
x= 3 so you substitute x’s value in any one eq to get y
x+y=9
3+y=9
y=9-3
y=6

Julio gets paid $10.00 an hour to babysit his cousins 4 hours a week. He allows himself to spend $7.00 a week and he saves the rest. How much will he have saved in 5 weeks?

Answers

$165.00

$10*4= $40

$40 x 5 = $200
$200- (5 x $7)
$200-35
$165

Answer:

$165.00

Step-by-step explanation:

What is the distance from point (6, -10) to point (6, 3)? ​

Answers

Answer:

13

Step-by-step explanation:

Is 15/60 equivalent to 1/4

Answers

Answer: Yes

Step-by-step explanation:

15/60 divided both by 15:

15/15=1 and 60/15=4

Answer:

yes

Step-by-step explanation:

15/60 divided by 15/15 = 1/4, or you could day that 15/60 simplified = 1/4, making the answer yes

I NEED THE VALUE OF X PLEASE HELP!

Answers

Answer: 25.81

Step-by-step explanation:

We can see its a right triangle and then with Squareroot(21^2 + 15^2) = 25.81

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