1answer.
Ask question
Login Signup
Ask question
All categories
  • English
  • Mathematics
  • Social Studies
  • Business
  • History
  • Health
  • Geography
  • Biology
  • Physics
  • Chemistry
  • Computers and Technology
  • Arts
  • World Languages
  • Spanish
  • French
  • German
  • Advanced Placement (AP)
  • SAT
  • Medicine
  • Law
  • Engineering
lara31 [8.8K]
3 years ago
12

7r - 8rhow to combine like terms ​

Mathematics
1 answer:
Sedaia [141]3 years ago
6 0
-r

Step by step:
7r+(-8)
7r+(-8r)
-r
You might be interested in
Which of the following expressions could represent the total amount withdrawn from Brandon’s checking account during the time pe
den301095 [7]

The Solution:

Given:

Each withdrawal by Brandon = $x

ATM charge per transaction = $2

Required:

To find an expression for Brandon's total withdrawal if he withdraws the same amount once a week for 7 weeks.

Step 1:

We shall find the total amount of each withdrawal, that is, the sum of the amount withdrawn and the ATM charge for the transaction.

\text{ Each withdrawal=x+2=\$(x+2)}

Step 2:

Finding the required total amount, we have:

\text{ Total amount withdrawn=7(x+2)=\$7(x+2)}\begin{gathered} 7(x+2) \\ or \\ 7x+14 \\ \text{ or} \\ 7\mleft(x\mright)+7\mleft(2\mright) \end{gathered}

Therefore, the correct answers are: [options 2, 3, and 4]

6 0
1 year ago
The product of -5 and the sum of X and eight decreased by the product of three and X
Alla [95]
-5(x+8)-3x

simplified would be
-8x-40
5 0
3 years ago
What is 3 divided by 11/12
Lena [83]

Answer:

0.02272

Step-by-step explanation:

3 0
3 years ago
Read 2 more answers
a car deceased in value by 25% in the first year. purchased for $28,000, what is the car worth today.
Gwar [14]
Try this:  Principal times (1+interest rate as a decimal fraction)^(number of yrs)

In this case, Principal = $28,000; interest rate = -0.25; # of years = 1

So Decrease in value = $28,000 (0.75)^1 = $21,000.
4 0
3 years ago
(PLZ HELP I ONLY HAVE 11 DAYS LEFT OF SCHOOL) If Wendell were to slice the doghouse with a plane parallel to the two sides throu
Yuki888 [10]

a shape of a right triangle

8 0
2 years ago
Other questions:
  • What is the maturity value of a single-
    6·1 answer
  • Which would be a correct first step to solve the following system of linear equations using the elimination method? 2x+3y=6
    15·1 answer
  • -3(8x+3)-2(1-17x)-3(1+3x)=0
    8·1 answer
  • In the scale used on a blueprint,1/4 inch represents 2 feet.On the blueprint,what is the length of a room with an actual length
    13·2 answers
  • I need help on some geometry questions
    13·1 answer
  • F(3) = x + 2; in this equation what is the argument?
    7·1 answer
  • Angles in a triangle are 60, 85, and Y degrees what is the value of Y?
    8·1 answer
  • PLEASE ANSWER I WILL MARK BRAINLIEST I NEED IT
    12·1 answer
  • A fruit vendor sells apples and mangos. Each apple cost the same amount, and each Mango cost the same amount. Lucy buys 3 apples
    6·1 answer
  • How does the graph of g(x) = (x − 2)3 + 6 compare to the parent function of f(x) = x3?
    15·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!