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
Radda [10]
3 years ago
10

Simplify (3x^2-2)+(2x^2-6x+3)

Mathematics
1 answer:
3241004551 [841]3 years ago
3 0
When u got a + in the middle, parenthesis are not needed

3x^2 - 2 + 2x^2 - 6x + 3...now we combine like terms
5x^2 - 6x + 1 <==
You might be interested in
What is 11 feet and 8 inches plus 2 feet and 9 inches
Agata [3.3K]

Answer:

14 feet and 5 inches

Step-by-step explanation:

11 feet + 2 feet= 13 feet

9 inches + 8 inches = 17 inches

17 inches = 1 foot and 5 inches

13 + 1 = 14 feet

5 inches + 0 inches = 5 inches

7 0
3 years ago
If a cow has a mass of 9 × 10^2
kotykmax [81]

Answer:

a) The blue whale has about 200 times more mass

Step-by-step explanation:

(blue whale mass)/(cow mass) = (1.8×10^5 kg)/(9×10^2 kg)

... = (1.8/9)×10^(5-2)

... = 0.2×10^3

... = 200

The blue whale has about 200 times as much mass as a cow.

5 0
3 years ago
Read 2 more answers
Carlos has scored 83, 65, and 94 on his previous three tests. What score does he need on his next test so that his average (mean
Brilliant_brown [7]

Answer:

  • Carlos need to score 95

Step-by-step explanation:

<u>Let the score is x. The average is:</u>

  • (83 + 56 + 94 + x)/4 = 82
  • x + 233 = 4*82
  • x = 328 - 233
  • x = 95
8 0
3 years ago
Robs number is equal to twice bobs number, cobs number is eight times larger than two less than bobs number, the sum of robs num
Brut [27]
B=B
R=2B
C=8(B-2)=8B-16
R+C=22
(2B)+(<span>8B-16)=22
B=3.8
R=7.6
C=14.4</span>
6 0
3 years ago
In order for an expression to be an equation, it must have​
wariber [46]

Answer:

An equal sign (=)

Step-by-step explanation:

i promise you it is right

6 0
3 years ago
Other questions:
  • Which best describes bias, if any, from the sample surveyed? survey: favorite sports sample: randomly selected fans at a basebal
    9·1 answer
  • Which expression is equivalent to the expression below? 3x+5(x+2)
    15·1 answer
  • Solve equestion fast i give a lot point​
    9·1 answer
  • Hii please help asap ill give brainliest thanks
    14·1 answer
  • How s y’all’s day today mine is not to good
    12·2 answers
  • The question is in the picture
    15·2 answers
  • This is a test question for underdstanding this feature
    8·1 answer
  • The price of a train ticket consists of an initial fee of
    14·1 answer
  • What is 7 times 0.10 show your work
    9·2 answers
  • In a recent year, 28.7% of all registered doctors were female. If there were 52,900 female registered doctors that year, what wa
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!