Mathematics Middle School

Answer is below here ⬇️ :D

Answers

Answer 1

Answer:

x=4

Step-by-step explanation:

(x+8)= 9/(3/4)

x+8= 12

x=4

Related Questions

stop! please help my teachers are very strict and this needs to be turned in in two hour could you help me out?

1. Mr. Colvin drove 1,268 miles in 12 hours. What was his average unit rate of speed in miles per hour? Round to the nearest tenth.

2.True or False: The fraction 3/4 is the same representation as 75%.

3. Put these values in order from least to greatest. 2/3, 80%, 0.25, 1.

;w;

Answers

1) 0.1
2) true
3) 0.25, 2/3, 80%, 1

I hope this picture makes you feel better

Answers

haha thanks :) you made my day!

you dont have to do all but I really just need help but if you do I will give brainiest

Answers

Answer:

11.V=-2

12.X=6

13.A=9

14.X=-4

15.A=-5

16.P=3

17.K=6

18.M=0

Step-by-step explanation:

Subtract the number on each side to get the variable by itself or add depending on if it has a plus or minus on the side with the variable.

Hope this helps!

Please give me a brainist and add me also make me stars go up. :)

Answer:

11. v = -2 12. x = 6 13. a = 9 14. x = -4 15. a = -5 16. p = 3

17. k = 6 18. m = 0

Step-by-step explanation:

-8(-6+2j) thank you it’s pretty easy

Answers

Answer:

48 - 16j

Step-by-step explanation:

Answer:

-16j+48

Step-by-step explanation:

Simplifying

Rearrange Terms

[tex]-8(-6+2j)\\-8(2j-6)\\[/tex]

Distribute

[tex]-8(2j-6)\\-16j+48[/tex]

Ankur estimated the quotient of 15 and one-third divided by (negative 4 and two-thirds) to be 3. Which best describes his error?
Ankur multiplied the compatible numbers 15 and –3.
Ankur found that the quotient of a positive number and a negative number is negative.
Ankur found that the quotient of a positive number and a negative number is positive.
Ankur added the compatible numbers 15 and –3.

Answers

Answer:

123/78

Step-by-step explanation:

Answer:

its C, Ankur found that the quotient of a positive number and a negative number is positive.

Step-by-step explanation:

i got it right on edge

HELP PLS HELP MEEEEEEEEEEE PLEASE
The Davis family traveled to Silver Lake in five hours. Their return trip took StartFraction 7 Over 8 EndFraction of the time it took to travel to the lake. How long did the return trip take?
4 and StartFraction 1 Over 8 EndFraction hours
4 and StartFraction 3 Over 8 EndFraction hours
5 and StartFraction 5 Over 7 EndFraction hours
5 and StartFraction 7 Over 8 EndFraction hours

Answers

Answer:

4⅜ hours

Step-by-step explanation:

Hope this helps

Answer:

4⅜ hours

Step-by-step explanation:

Tristan is selling plastic and wooden picture frames. He sells 7 frames total. The number of plastic frames Tristan sells is 5 less than twice the number of wooden frames. How many of each type of frame does Tristan sell?

Answers

Answer:

4 wooden and 3 plastic

Step-by-step explanation:

4 (wooden) × 2 - 5 = 3 plastic

3 (plastic) + 4 (wooden) = 7 total

The number of plastic frames is 4 and the number of wooden frames is 3.

What is equation?

A formula known as an equation uses the equals sign to denote the equality of two expressions.

Given statement:

The number of plastic frames Tristan sells is 5 less than twice the number of wooden frames.

The total number of frames sold by Tristan is 7.

Write the equation for the above statement,

p = 2w - 5

Here, p is a plastic frame and w is a wooden frame,

p + w = 7

Solve the equation by using the elimination method,

p = 4 and w = 3

Therefore, the number of plastic frames is 4 and the number of wooden frames is 3.

To know more about equation:

https://brainly.com/question/12788590

#SPJ2

Solve the volume for all these figures

Answers

Answer:

The formula for volume is length x width x height

A. 2x6x8=96 units^3

B. 1x7x4=28 units^3

C. 2x3x5= 30 units^3

D. 4x4x2= 32 units^3

E. 5x4x3= 60 units^3

Step-by-step explanation:

help me please thank you!

Answers

Answer:

35mins

Step-by-step explanation:

Can you hear me now cost function: y=0.15x+50.75

24 Hour Calls cost function: y=0.9x+24.5

Set two equations equal to each other because we want to find the time (x value) that make the cost (y-value) equal

0.15x+50.75=0.9x+24.5

0.75x=26.25

x=35mins

35 mins is probably the answer

what is the answer to 2x+3y=-13

Answers

Answer:

solve for x

x=(-13/2-3y/2

solve for y

y= -13/2-2x/3

Step-by-step explanation:

hope its the answer you where looking for

Lars did some research on how much it would cost him to buy a gym membership.

At Murfield Country Club, a membership costs $20. Every time Lars goes to the gym he must pay an additional $30/hour.
At Pete’s Gym, it would cost Lars $80 for 2 hours and $120 for 3 hours.
a) Which of the two companies charges no initial fee? How do you know?

b) What is the slope of each line? (Murfield Country Club and Pete's Gym).

Slope for Murfield Country Club =

Slope for Pete’s Gym =

c) Write the equation for each line. (Murfield Country Club and Pete's Gym).

Equation for Murfield Country Club =

Equation for Pete’s Gym =

Answers

Answer:

A. it would be Pete's gym because he doesn't have to pay for a membership as well as paying $30 per hour he only has to pay for the hourly cost.

B. Lars-starts at 20 then goes to 50 then 80 ect... goes up by 30 starting at 20 because of the membership he payed.

Pete's- starts at 0 then to 40, 80, 120, 160 ect... goes up by 40 starting at zero.

C. MCC- 20+(30*y)

PG- 40*y

Step-by-step explanation:

A school allots £2500 to spend on a trip to the theatre.
Theatre tickets have a regular cost of £35 each and are on offer for
1/5off.
A train ticket for the day will cost £20 each.
If 3 teachers and the maximum number of students attend, how much money will the school have left over?

Answers

Answer:

Theatre tickets have a regular cost of £35 each and are on offer for 1/5 off. A train ticket for the day will cost £20 each. If 3 teachers and the maximum number of students attend

Step-by-step explanation:

Here is a balanced hanger diagram in which a circle has a mass of 3 grams and a square has a mass of 2 grams.

Which equations could represent the diagram, assuming t represents the triangles?

3c + 2s + 2t = 3c + 2s + 5t

2t + 21 = 5t + 12

3(3) + 6(2) + 2t = 2(3) + 3(2) + 5t

2t + 9 = 5t + 5

5t + 6 + 6 = 9 + 12 + 2t

Answers

Answer:

(

)

(

)

(

)

(

)

Step-by-step explanation:

What do u wanna i do?

please solve it ASAP

Answers

Answer:

Step-by-step explanation:

the student is mostliky to have d

Help me plz I really need help

Answers

Answer:8 6/8

Step-by-step explanation:6 1/8+ 2 5/8

Answer:

8 6/8

Step-by-step explanation:

At the start of the month,the value of an investment was $48.45.By the end of the month, the value of the investment changed by a loss of $13.8.What is the value, in dollars,of the investment at the end of the month?

Answers

Answer:

34.65$

you just subtract the 13.8$ from the 48.45$

I need help with this ASAP!
Examine the picture below. What is your answer?

Explain how you determined your answer.

Answers

The answer is 1 Elephant= 4 horses

Please help!

3(x-4)=5(x+2)

Answers

Answer:

x = -11

Step-by-step explanation:

1. Distribute 3 to the parenthesis and distribute 5 to the parenthesis

3x-12 = 5x + 10

2. Combine like terms (subtract 3x on both sides and then subtract 10 on both sides)

2x = -22

3. Divide both sides by 2

x = -11

please give me brainliest if this helped

Answer:

x=−11

Step-by-step explanation:

3(x-4)=5(x+2)

Simplify both sides of the equation:

3(x−4)=5(x+2)

(3)(x)+(3)(−4)=(5)(x)+(5)(2)(Distribute)

3x−12=5x+10

Subtract 5x from both sides

−2x−12=10

add 12 to both sides

−2x=22

Divide by -2 both sides

x=−11

Hope this helps.

Grace opens a lemonade stand in her neighborhood to earn money. For each cup of lemonade she sells, Grace earns $0.50 profit. Considering that it cost her $6 in start-up costs, Grace graphed her potential profits, where x represents the number of cups of lemonade she sells and y represents the amount of profit earned in dollars. However, Grace made a mistake with her graph. Her y-intercept was incorrectly drawn. At what value should the graph have crossed the y-axis?
if u get it right i will give you brainliest
plz help

Answers

Answer:

When she starts getting more income

Step-by-step explanation:

Her y intercept should be -6 because it costs her $6 to start and the y axis is the starting point her is what her graph should look like

Mark me brainiest please

Please help me my Math Grade Is a D-

Answers

Answer 18

Step-by-step explanation:

The question answer is 18

Which expression is equal to 6.5(2r – s) + 3.7r – 1.25s written in simplest form?
A) 16.7r-7.75s
B) 16.7r-5.25s
C) 13r-6.5s+2.45
D) 13r-7.75s+2.45rs

Answers

Answer:

Step-by-step explanation:

13r-6.5s+3.7r-1.25s

13r+3.7r-6.5s-1.25s

=16.7r-7.75s

HELP HELP HELP HELP HELP HELP HELP HELP HELP HELP DUE SOON

Answers

Answer:

Step-by-step explanation:

For a all you have to do is multiply by 3 so the answer would be -15

For b all you have to do is subtract 12 then divide by -1 so the answer would be -0.5

for c all you have to do is divide by -10 so the answer would be -0.1/-10 or 0.1/10

pls explain whyy ill give u a brainlyest

Answers

D I’m positive so BRAINLEST

Answer:

the answer should be c

Step-by-step explanation:

A student said, “To find the value of 109.2÷6, I can divide 1,092 by 60.”

Do you agree with this statement? Explain your reasoning.
Calculate the quotient of 109.2÷6 using any method of your choice.

Should I do what can 6 go into 1,10,109? or just do the whole thing? (But not the 2 yet)

Answers

Answer:

I agree with the statement.

Step-by-step explanation:

As long as both numbers are being multiplied by the same quantity, you will always end up with the same number.

Can someone please tell me how to measure the diameter of a circle? Im confused.

Answers

Answer:

Draw a straight line across the center of the dot and join 2 edges of the circle together. Then measure the line.

Step-by-step explanation:

The diameter of the circle is only found when it is in the center of the circle.

Ben has a music book with 84 songs. He has learned how to play 25% of them. How many songs in the book does Ben NOT know how to play

Answers

Answer:

Step-by-step explanation:

This is because 25% of 84 is 21. He knows how to play 21 songs. 84-21=63.

63 is how many songs he does NOT know how to play.

Answer:

The answer is 63.

----------------------------------

24% of 84 is 21. 84 - 21 = 63.

Please help me I want to pull up my grade.

Answers

B c and d im sure hope this helps

Jake and his older brother are canoeing in a creek near their home. If they paddle at a steady rate of 4 mph, how far will they travel in 3 hr.?

Answers

Answer:

12 miles

Step-by-step explanation:

mph = mile per hour

So if they travel 4 miles per hour, 4(3) = 12, they will travel 12 miles by 3 hours

Answer:

dude that's 12

Step-by-step explanation:

just multiply 4 mph times 3 hr

What point is 5 units left and 2 units down from (1,2)?

Answers

Answer:

-4,0

Step-by-step explanation:

5,2

1,2

___

-4,0

8 it’s 8 okayyyyyyyyyyyyyyyyyyy

Given that the point (9,7) is on the graph of y=f(x), there is one point that must be on the graph of 2y=(f(2x)/2) + 2. What is the sum of coordinates of that point?

Answers

Answer:

Step-by-step explanation:

jjjjj

The graphical function representation of a function, represents the mapping of the domain of the function to the range of the function

The sum of the coordinates of the point is 7.25

The reason the above values are correct is as follows;

The given parameter is;

The point (9, 7) is on the graph y = f(x)

Required:

A point on the graph, 2·y = (f(2·x)/2) + 2

Solution:

Let x = 9/2, given that (9, 7), is on the graph, f(x), we get;

f(2·x) = f(2 × 9/2) = f(9) = 7

Therefore;

2·y = (f(2·x)/2) + 2 = (7/2) + 2) = 5.5

y = 5.5/2 = 2.75

y = 2.75

The coordinate of the point is (x, y) = (2.75, 9/2)

The sum of the coordinates of the point is 2.75 + 9/2 = 7.25

Learn more about functions here:

https://brainly.com/question/21222613

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