Mathematics Middle School

Combine like terms and simplify 4r - 6 - 2r + 5

A. 2r - 1
B. 10r + 5
C. 10r - 3
D. 2r + 1​

Answers

Answer 1
C. 10r-3


Because 2r+5=7, the minus 6 and 7 which gives you 1 then minus 4 and 1 witch is 3 then you do 10r-3 and it will get you to 2r+5=7 again. I hope this helped!

Related Questions

Olivia is making cupcakes for her class. She needs to make 15 cupcakes in all. Each cupcake requires 1/3 cup of batter and 1/4 cup of icing.

How many cups of batter will Olivia need in order to make all of the cupcakes?

How many cups of icing will Olivia need?

Answers

Answer:5 cups of batter and 3 3/4 cups of icing

Step-by-step explanation:

15× 1/3= 5 cups batter and 15×1/4= 3 3/4

Please help. If you get it right I will give you brainliest.

Answers

ik the first one is true
im pretty sure its a “strong positive linear Association”

-8.2x= -2.091
solve for x
ASAPPPP PLEASE WITH EXPLANATION!!!!!!!!!!!1

Answers

Answer:

0.255

Step-by-step explanation:

Divide each term by −8.2 and simplify.

x = 0.255

Please hurry, this is timed.
Profit is the difference between revenue and cost. The revenue, in dollars, of a company that manufactures televisions can be modeled by the polynomial 3x2 + 180x. The cost, in dollars, of producing the televisions can be modeled by 3x2 – 160x + 300. The variable x is the number of televisions sold.

If 150 televisions are sold, what is the profit?

A: $2,700
B: $6,000
C: $50,700
D: $51,300

Answers

Answer:

c

Step-by-step explanation:

Answer:

C:  50,700

Step-by-step explanation:

Its right my dudes

4( 5x) - 20 Use X For 8
PLEASEEE HELPP THIS IS REA>LLY URGENTTT

Answers

Answer:140

Step-by-step explanation:

Answer:

140

Step-by-step explanation:

Because first you fill in X as 8, then you multiply 5 times 8 which is 40, and then you do 40 times 4 which is 160, and then you do 160 - 20 and your answer is 140.

please help 50 points


Alicia rented bowling shoes for $3 and played 4 games at $2 each. Write and
evaluate an expression for the total cost of bowling.

Answers

3+4=(2) = 3+8 = $11

Explain similar figures including explaining how to find the scale factor when given two similar figures and side lengths.

Answers

similar figures are two different figures of different sizes, but have the same shape
Suppose you have two similar figures , one larger than the other. The scale factor is the ratio of the length of a side of one figure to the length of the corresponding side of the other figure. Here, XYUV=123=4 . So, the scale factor is 4 .

Please answer asap. Find the value of x

Answers

X should be equal to the value of 14.
The answer is 16 trust me

Which statement is true about Saturn?

A: The temp on Saturn is very hot, averaging 500 degrees C
B: Saturn does not have any atmosphere
C: Saturn is the most dense planet in our solar system
D: Saturn is known for its large rings

Sorry about the subject, there is no science subject so I chose random

Answers

Answer:

i would say D

Step-by-step explanation:

saturn is pretty cold since its far away from the sun so not A

saturn does have an atmosphere, one that is similar to jupiter so its not B

saturn is less dense than water, although the core is not dense but i wound say  not C

therefore it has to be D

good luck i hope this is right

The answer is d because I have studied about planets

what is the slope of the line passing through the point(2,-1) and the origin.
This is the whole question, no picture came with it.

Answers

Answer:

- 1/2

Step-by-step explanation:

(0,0) (2,-1)

m = difference of y/difference of x = (-1 - 0) / (2 - 0) = - 1/2

y = - 1/2 x

Simplify the expression

-5.5(2 - 6x) - 2.5x

Answers

Distribute -5.5(2-6x) first
-5.5 x 2 = -11 & -5.5 x -6x =33x
=> 33x - 11

33x - 11 -2.5x
subtract common like terms
33x - 2.5x = 30.5x

Answer: 30.5x -11

Describe the graph of the equation y = 0. Is the equation a function?


A. horizontal line; no

B. horizontal line; yes

C. vertical line; no

D. vertical line; yes

Answers

Answer:

D

Step-by-step explanation:

Can someone help me find the area of this thx

Answers

Answer: 2250

Step-by-step explanation: all you have to do is multiply 90 x 25 which equals 2250

Just multiply them separately, and then add them together

HELP I WILL GIVE BRAINLIEST

Answers

Answer:

u tick the option A then y u r asking??

What is the perimeter and area of the figure below?

Answers

33 is your answer, you would add 13+13=26 and then you add 4+3, when you put it all together it’s 33
Perimeter: 33.9 Area: 38.5


The dotted line= 5 and the mussing solid line= 13.9(using pythagorean theorem a^2 + b^2 = c^2.) 4+3+13+13.9
The area of the small triangle is 6 and the area of the large triangle is 32.5.
32.9+6

Jada's brother drives 18 miles to work and then a quarter of that distance again. How far does Jada's brother drive?

Answers

18+4.5

A quarter of eighteen is 4.5

what is the nearest whole percent of 62

Answers

The nearest whole percent would just be 62%
the nearest whole percent would be 62%

Math Problem - I don't understand
(1,000 ÷ 200) × 1 =

Answers

Answer:

5

Step-by-step explanation:

1000/200 = 5

5 x 1 = 5

Answer:

50

Step-by-step explanation:

1000/200=50

50*1=50

USPS charges a flate rate of $5.50 for the 1st pound of shipping, plus $1.35 for each additional pound. FedEx charges $8.00 for the 1st pound of shipping and $1.10 for each additional pound. How many pounds will it take for USPS and FedEx to cost the same?

Answers

usps is cheaper

Step-by-step explanation:

usps equals 6 dollars 85 cents and fedex charges 9 dollars and 10 cents

I think it might be 10
5.50+1.35x = 8.00+1.10x
I put that in a math app and it gave me 10

Hey! I still don't understand this, would u please figure it out for me and also explain? thanks!

Answers

Answer:

I am going with B

Step-by-step explanation:

Okay so there are 3 columns so I'm 100% you'll do the equation times 3. The equation will be addition because there is no multiplication sign there. its 54+5*3 the only thing that matches that is B

b is not the Answer jkjkjk

In science class, Mrs. Moore’s students were directed to weigh a 300-gram mass on the balance scale. Tina weighed the object and reported 328 grams. Calculate the percent error. Show your work.

Answers

Answer:

Think it's 109.33

Step-by-step explanation:

look it up brodie

109.33


Explanation
I think it’s this

HELPPP!!!!
im not really good at math
im coming for help pleaseeee!!!!
pleaseee be kind and help

Answers

Answer:

1) no

2) no

3) yes

4) yes

5) no

6) no

Step-by-step explanation:

Answer and Step-by-step explanation:

1) No. 5m and 3a do not have any common factors.

2) Yes. They have a common factor of 2. So, it could be combined as 2(2 + 2y).

3) Yes. They have a common factor of 2x. So, it could be combined as 2x(4 - 1).

4). Yes. They have a common factor of 5. So, it could be combined as 5(3 + 2).

5). Yes. They have a common factor of t². So, it could be combined as t²(7 + 9t³).

6. Yes. They have a common factor of 3. So, it could be combined as 3(y³ + x⁶).

Hope this helped! <3

Please answer if you know the answer.
Find x and give reasons.

Answers

the answer is 30 have a good day

An equation is shown. What is the value of 12x that makes the equation true?


12x + 4x = 15/2 + 4x

pls halp

Answers

Answer:

x = 5/8

Step-by-step explanation:

Oakland Middle school has 128 6th graders, 121 7th graders and 135 8th graders. If there are 3 teachers per 32 students, how many total teachers are there?

Answers

Answer:

36 Teachers in Total

Step-by-step explanation:

I would use Ratio.

Students: 128 + 121 + 135 = 384 total students

Teachers: Students

3 : 32

36 : 384

384 ÷ 32 = 12

12 x 3 = 36

Please help please and please actually answer please

Answers

Answer:

#3

Step-by-step explanation:

Answer:

it's the last one

Step-by-step explanation:

last one

Simplify using the Laws of Exponents
not hard :]
but i cant do it XD

Answers

Answer:

j11

Step-by-step explanation:

I need help it's due 1:25 (eastern time

Answers

Answer:

- 7/8

Step-by-step explanation:

m = Δy/Δx = (10-3)/(2-10) = - 7/8

Answer:

- 0.875 or 7/-8

Step-by-step explanation:

make a table

10 | 3

2 | 10

10- 3

----------

2- 10

answer:

7

--

-8

decimal form: -0.875

Which is the independant variable and which is the dependant variable?

For every cupcake, c, that she sells, she raises money, m, for her club.

Answers

C is the independent variable and m is the dependant variable

Determine if each set of ordered pairs represents a function.

Answers

the answer is function, not a function, function, not a function, and function based on the picture you have provided

Answer:

function i think

Step-by-step explanation:

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