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
solniwko [45]
3 years ago
15

12r2s + 21rs2 – 3rs=

Mathematics
1 answer:
Nitella [24]3 years ago
6 0
Answer:
63rs

explanation:
collect like terms
12*2=24rs
21*2=42rs
then add 24+42=66rs
then subtract 3rs
then just add rs
You might be interested in
Let's investigate
AlexFokin [52]
You would need to leave the dentist at 2:40.
4 0
3 years ago
Destiny poured 24 ounces of juice into 4 1/2 ounce servings. She has 1 1/2 ounces of juice left over. How many 4 1/2 ounce servi
Nataly_w [17]
She poured 5 servings because 5 x 4 1/2 = 22 1/2. so when you add the left over 1 1/2 to that you get 24 

5 0
3 years ago
Read 2 more answers
Elliot had 638 fewer marbles than Ravi had. Ravi then gave 352 marbles to Elliot. Who had more marbles in the end. How many more
irga5000 [103]
Elliot because it said that he had 638 fewer than him the Ravi gave him 352 so that would make Elliot have more
5 0
3 years ago
What is the range of the function graphed below?
Nadusha1986 [10]
Its the second option!

The range expresses the constraints of y-values of a function. There is a solid point at positive three which means that it is included. The open point at -3 means it’s not included. This makes the range -3
3 0
1 year ago
HELPPPP PLEASE IK ITS LONG BUT PLEASE HELP <br> 9-12
sergey [27]
Girl i don’t know but i hope you find your answer boo
6 0
3 years ago
Other questions:
  • Pleas help !!!! Need explanation as well
    11·2 answers
  • Write three different equations that have =5 as a solución
    10·1 answer
  • Why 5 under 6 are the the same then 10 and 12
    10·2 answers
  • Help I have no clue how to do this
    14·1 answer
  • Given that AC= 1 and BC=2 what is AB?
    14·1 answer
  • Thank you so much for your help
    9·1 answer
  • Someone help me answer this
    9·2 answers
  • Help me will give brain
    8·1 answer
  • A bottle contains 2 L 95 mL water. Express the amount of water in litres.
    11·1 answer
  • *!HELP!* Mark wants to order a pizza. Drag and drop the correct number or phrase into each box to complete the explanation for w
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!