Mathematics Middle School

Simplify the expressions by combining like terms

1.5r - 3r + 8r + 2.5r

Answers

Answer 1

Answer:

9r

Step-by-step explanation:

1.5r - 3r + 10.5r

10.5r + 1.5r = 12r

12r - 3r = 9r

Final Answer = 9r

Related Questions

ONLY ANSWER THIS IF YOU HAVE AN EXPLANATION AND IF YOU KNOW WHAT THE ANSWER IS.
( NO LINKS AND NO ANSWERS WITHOUT EXPLANATION )

Answers

Answer:

Paulino is 165 centimeters

Step-by-step explanation:

1 M = 100 CM

Therefore,

1.65 * 100 = 165

Answer:

165 cm

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

Multiply the length by the conversion ratio. The length in centimeters is equal to the meters multiplied by 100

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

Hope this helps :)

PLS HELP! NEED ASAP!
Which relationships describe angles 1 and 2?

Select EACH correct answer.

supplementary angles

adjacent angles

vertical angles

complementary angles
Two lines intersecting creating four angles with the left angle labeled one and the angle to the right labeled two

Answers

Answer:

Adjacent angles is the only one I see being correct. I could be wrong though.

Vertical angle. It is correct because of how it is set up.

6.
7.
8.
9.
10.
11.
1 was able to get 6 in

Answers

Answer:

In this case the number of ways would be the number of events, in this case the events would be the total number of marbles since any of them can come out. so:

4 + 3 + 3 + 2 = 12

Therefore, the number of ways the event can occur is 12 ways.

Now, in the favorable outcomes of the event, it would come depending on what color the marble would be, whether it be red, blue, yellow or green.

In each color, the number of the favorable outcomes of the event would be the quantity of each marble, that is, 4 for red, 3 for blue, 3 for yellow and 2 for green.

____________________________________________________________

If you flip a penny, there are 2 possible outcomes.

____________________________________________________________

1/5

the 5 is the total number of times he tried

the 1 is how many times he rolled a 1

____________________________________________________________

The favorable outcome is What Can Happen

C

Step-by-step explanation:

I am sorry but the spinner questions I dont understand.

pls pls i need help help me

Answers

Answer:

looks like someone wasnt paying attention in class  -_-

the answer is c

thank me later

Thomas has $30 to spend at the amusement park. Rides cost $2 each and admission at the gate is $6. What is the maximum number of rides that Thomas can go on?

A.2r + 6 < 30

B.2r + 6 = 30

C.6r + 2 = 30

D. 6r + 2 > 30

Answers

Answer:

c

Step-by-step explanation:

no steps needed

The picture is my question please don't lie or I will report your question

Answers

Answer:

Third option.

Step-by-step explanation:

This is matrix addition, so we have to add the corresponding parts of the matrix correctly. The first would be 12+(-3), getting 9. The second part would be (-5)+(-9), getting up -14. Third would be 0+(-14), getting -14. Last would be (-7)+10, getting 3. So, the option with all of the correct parts in their respective positions would have to be the third option.

Hope this helped!

Find the area of the figure colored in dark blue. The figure is in the photo I attached. Please, also explain me the way to solve it.

Answers

Answer:

Answer is in the photo. I couldn't attach it here, but uploaded it to a file hosting. link below! Good Luck!

Step-by-step explanation:

Answer:

when is this due?

Step-by-step explanation:

Select the statement that describes this expression: 6 x (34,937 + 412)

A) 6 more than the sum of 34,937 and 412

B) 6 times the product of 34,937 and 412 6 times the difference of 34,937 and 412
c) 6 times the value of 34,937 + 412

Answers

Answer:

The answer is C!!! blah blah blah 20 characters long

The statement that describes the expression would be:

C). 6 times the value of 34,937 + 412.

Find the expression

An expression is characterized as the placement or sequence in which the symbols are arranged to represent values in a group.

Given that,

Expression = 6 × (34,937 + 412)

The correct way to represent it would be:

6 times the sum produced by adding the numbers 34,937 and 412.

Thus, option B is the correct answer.

Learn more about "Expression" here:

brainly.com/question/13947055

can someone help plz.....

Answers

Answer:

D

Step-by-step explanation:

Starting from the origin (0,0)

you move 4 units left and 3 units down.

That is because your given numbers are negative. When x is negative, you move left and when y is negative, you move down. The opposite goes for if your numbers are positive. Positive x , you move right and  positive y, you move up.

the answer is b
hope this helped

PLEASE HERLP MEEE (thank ver muth) TTM

Answers

Hbhhjxjchxhstshfiohjcifiogococ
The first option is wrong

PLEASE HELP I SUNT THIS THE FIRST TIME AND THEN I DELTED

Answers

Answer:

a. 3/16

b. 13/16

c. 10/16 (or 5/8 simplified)

Step-by-step explanation:

b. multiply the fractions for 0-3 to get a common denominator of 16 and add them together

c. multiply 3/8 by 2/2 to get a denominator of 16 and add fractions 2-4 together

can someone help me out

Answers

Student 3 did not make any errors
no, student three did not.

I'm wondering: Is there a symbol for exponential things like 1^2^3^4^5^6...? If so, what is it?

Answers

Answer:

That sign means raise to power e.g 5^2.

5 in 2 places which is 25.

Also meaning 5× 2= 25

darling ohayo!!





AAAAAAAAAAAH

Answers

   umm...... ok

free points ig

Answer:

freeeee

Step-by-step explanation:

pointss wohooo

PUT THIS IN YOUR OWN WORDS An object in motion will stay in motion because you cant stop time and pause the motion of a thing is in

Answers

Answer:

In math terms, an object in motion can and will stay in its motion because you can't pause the motion.

Given the system of the following two linear equations:

Equation 1: 12x - 2y= -1

Equation 2: 4x + 6y= -4

What would be the first step in eliminating the variable y?

A. Add the 2 equations

B. Multiply the second equation by 4

C. Multiply the first equation by 3

D. Subtract the 2 equations

Answers

Answer:

option C

Step-by-step explanation:

multiple the second equation by 3

hope it helps

Answer:

Step-by-step explanation:

Equation 1: 12x - 2y= -1 Equation 2 .

My brother is 6ft tall How tall is he in centimeters ​

Answers

Answer:

Step-by-step explanation:

6ft*(12in/ft)*(2.54cm/in)=182.88cm

Answer:

182.88 cm is how tall your brother is

Step-by-step explanation:

6ft · (12 in / ft) · (2.54 cm / in) = 182.88 cm

hope this helps!

~mina

An art class is making a mural for their school which has a triangle drawn in the middle. The length of the bottom of the triangle is x. Another side is 9 more than three times the length of the bottom of the triangle. The last side is 7 more than the bottom of the triangle. Write and simplify an expression for the perimeter of the triangle.

Answers

Answer:

perimeter:6x+15

EXPLANATION

The perimeter of the triangle is the distance around the triangle.

We need to apply our ability to convert word problems in to mathematical expressions.

we were told that the bottom of the triangle is  units.

From the diagram perimeter

Four times the length of the bottom will be .

12 more than 4 times the bottom will be  

Hence another side of the triangle is

Finally we were told that the last side is 3 more than the bottom, that will be

What he said!!!!!!!!!!!

What is the gcf of 21m and 35m

PLEASE HELP

Answers

Answer:

GCF of 21 and 35 is 7.

Step-by-step explanation:

Also can i please have brainliest???

the gcf of 21 and 35 is 7

Step-by-step explanation:

3×7=21

7*5=35

Please help me I really need these to be answered. Whoever does it gets 100 points!

Answers

Answer:

(6,15)

Step-by-step explanation:

Answer:

(6,15)

Step-by-step explanation:

Bob's gift shop sold a record number of cards for Mother's Day. One salesman sold 38 cards, which was 5% of the cards sold for Mother's Day. How many cards were sold for Mother's Day?

Answers

Answer is 760 just multiply 38 by 20 because 5x20=100
760 would be the number of cards he has

Suppose each square on the grid shown is 1 cm by 1 cm. Estimate the area of the figure.


about 10 cm2



about 18 cm2



about 13 cm2



about 23 cm2
TYSM

Answers

Answer:

10cm cm2

Step-by-step explanation:

Copy the following expressions on your paper and simplify them by combining them. Using algebra tiles may be helpful.

10x + 4 - 3 + 8x + 2

Answers

Answer:

18x+3

Step-by-step explanation:

 10x + 4 - 3 + 8x + 2 (COLLECT LIKE TERMS)

 18x + 4 - 3 = 2

18x+3

Ok, first you will need to SUBTRACT 4-3, it is 1 (obviously) then you da 2 to the one to get da answer of 3, ok? Anyway, you then need to add da 8 and da 10 TOGETHER, to get da answer of 18x, so now you will have da sum of 18x + 3. I hope I help :)

Which of the following systems of linear equations has an infinite number of solutions?

{3x - 3 = 0 5y - 5 = 0

{ y = 3x + 3 3x - y =3

{x = 3 y = 5

None of the Above

Answers

Answer:

{ y = 3x + 3

{ 3x - y = 3

B

(Just did the assignment 3/23/21)

Which of the following is an exponential function?

Select one:
A. f(x)=2.79^x−13.6
B. f(x)=x(0.4)^19+7
C. f(x)=−9x^6+5.44x
D. f(x)=−49(x)^x+3

Answers

The answer is B
F(x)=x(0.4)^19+7
I am not sure but it can be B

The base of a parallelogram is 3.2 centimeters and the height is 1.8 centimeters. What is the area of the parallelogram? Do not round your answer.

A = ____cm 2

Answers

A = bxh

b = 3.2

h = 1.8

3.2cm x 1.8cm = 5.76cm squared

Answer is 5.67. cm sq

Answer:

5.76 cm²

Step-by-step explanation:

l x w -or- b x h

3.2 x 1.8

5.76

Which value does not represent the probability of an event?
A. 0.0 B. 0.5 C. 1.0 D.2.0

Answers

Answer:

D. 2.0

Step-by-step explanation:

Values in probability when in decimal form, can at most go up too 1.0, or a 100% chance for it to occur. There can not and will not be a 200% chance for it to occur in real world scenarios.

~

D. 2.0 is your answer

please help asap
for 7th grade

Answers

1- 2.6 * π * 2 = 5.2π

2- 11 * π * 2 = 22π

Please help I will reward Brainliest

Answers

Answer:

5.32

Step-by-step explanation:

a^2+b^2=c^2

a^2+4.7^2=7.1^2

a+22.09=50.41

50.41-22.09=28.32

a=5.32

If you are adding it is 11.8. If it is multiplying it is 33.37

(help please due today)

Answers

for 11 on the dot plot its only supposed to be 2 dots because u only see two 11’s the mean is 78/15 which equals 5.2 the mode is 5 the range is 11-1 which equals 10
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