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
snow_tiger [21]
3 years ago
8

Simplify (3x2 − 2) + (5x2 + 5x − 1)

Mathematics
2 answers:
topjm [15]3 years ago
4 0
5x+13 is the correct answer

kicyunya [14]3 years ago
4 0
(3x2-2)+(5x2+5x-1)
=3x-2-2+5x2+5x-1
=6x-2+25x+5x-1
=6x-2+10x+5x-1
=6x+10x+5x-1-2
=21x-1-2
=21x-3

You might be interested in
Sampson solves the inequality as shown below.
astraxan [27]

Answer:

subtract 3 from both sides

Step-by-step explanation:

7 0
3 years ago
Maria's family drove 140 mi to her grandparents' house and averaged 56 ​ mi/h ​ on the way there. On the return trip, they avera
GaryK [48]

Answer: 5.3 Hours


Step-by-step explanation: 140 mi there at 56 mi per hour would be 2.5 hours. Then back 140 mi at 50 mi/h would be 2.8. 2.5 plus a 2.8 is 5.3 hours


4 0
3 years ago
PLS HELP ILL MARK BRAINLIEST PLS HURRY IM GETTING TIMED!!!!!!!!!
Dennis_Churaev [7]

Answer:

100

Step-by-step explanation:

1.50*100

6 0
3 years ago
PLEASE PLEASE HELP!!! I just need to catch up!!
Kay [80]
1. S.S.A
2.S.A.A
3. That looks like the same question as two I can't quite see it.
6 0
3 years ago
The vertices of triangle RST are R (-7, 5), S(17, 5), T(5, 0). What is the perimeter of triangle RST?
MaRussiya [10]

~\hfill \stackrel{\textit{\large distance between 2 points}}{d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2}}~\hfill~ \\\\[-0.35em] ~\dotfill\\\\ R(\stackrel{x_1}{-7}~,~\stackrel{y_1}{5})\qquad S(\stackrel{x_2}{17}~,~\stackrel{y_2}{5}) ~\hfill RS=\sqrt{(~~ 17- (-7)~~)^2 + (~~ 5- 5~~)^2} \\\\\\ ~\hfill RS=\sqrt{( 24)^2 + ( 0)^2}\implies \boxed{RS=24} \\\\\\ S(\stackrel{x_1}{17}~,~\stackrel{y_1}{5})\qquad T(\stackrel{x_2}{5}~,~\stackrel{y_2}{0}) ~\hfill ST=\sqrt{(~~ 5- 17~~)^2 + (~~ 0- 5~~)^2}

~\hfill ST=\sqrt{( -12)^2 + ( -5)^2}\implies \boxed{ST=13} \\\\\\ T(\stackrel{x_1}{5}~,~\stackrel{y_1}{0})\qquad R(\stackrel{x_2}{-7}~,~\stackrel{y_2}{5}) ~\hfill TR=\sqrt{(~~ -7- 5~~)^2 + (~~ 5- 0~~)^2} \\\\\\ ~\hfill TR=\sqrt{( -12)^2 + (5)^2}\implies \boxed{TR=13} \\\\[-0.35em] ~\dotfill\\\\ ~\hfill \stackrel{\textit{\LARGE perimeter}}{24~~ + ~~13~~ + ~~13\implies \text{\LARGE 50}}~\hfill

3 0
1 year ago
Other questions:
  • a bookshelf holds 43 books on each shelf is the total number of books proportional to the number of shelves in the bookshelf
    6·2 answers
  • There are two values of a for which the equation 5x2+ax+7x+5=0 has only one solution for x. What is the sum of those values of a
    7·1 answer
  • Four friends are standing in line to buy tickets. Carlos is not first in line.Paige is ahead of of Kate.Lisa is last in line.Who
    15·2 answers
  • Greg spent $4 on $5 packs of sport cards. How much did greg spend on each pack?
    9·1 answer
  • Suppose 29 cars start at a car race. In how many ways can the top 3 cars finish the​ race?
    12·1 answer
  • Use the diagram to find the solution to 4 + (–7) Captionless Image 4
    15·1 answer
  • What is 8253813783926/72729229357328*0*63726296482638262736 = ?
    7·1 answer
  • Which side of XYZ is the longest? <br><br>A. xy<br>B. xz<br>C. yz<br>D. cannot be determined​
    5·1 answer
  • can someone please help? And can you also explain how to do it, because I forgot the steps on how to do it ​
    10·1 answer
  • YE2 ÷(3Z)= _______<br><br>if y=12, and Z=8
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!