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
VLD [36.1K]
3 years ago
5

Simplify the expression. 7x2 + 3 - 5(x2 - 4) 2x2-17 2x2-1 2x2 + 23 25x2

Mathematics
1 answer:
Blizzard [7]3 years ago
3 0

Answer:

1. 14+3-5(-2)= 17+10=27

2. 14-17= -3

3. 4-1=3

4. 4+23=27

5. 50

You might be interested in
Can somebody help me with more line segment problems?
Nikolay [14]

Now I am not sure what length you're supposed to find for problem 9, but x = 3.3 i think.

10.)

(14+x)+(x+21) = 13

2x+35=13

2x = -22

x = -11

FE = -11 + 14 = 3 units

11.)

10 + 2x - 10 = 3x - 8

2x = 3x - 8

-x = -8

x = 8

10 + 2(8) -10 = 16 units

3 0
3 years ago
Y+x=14 and y-5x=2 <br><br> It has to be graphed
Reil [10]

Y is 12. X is 2 and if you add 12 plus 2 it makes 14. and 12 minus 5 times 2 equals 2

4 0
3 years ago
Peter paid $79.80 for renting a tricycle for 6 hours. What was the rate per hour for renting the tricycle? (Input only numeric v
n200080 [17]
13.3 is the rate boom
6 0
4 years ago
Read 2 more answers
A student claims that 8^3 •8^-5 is greater than 1..
zhenek [66]
Ok, so if you do the math.. 8³ •8^-5 =512.0000305
So, in conclusion... the student is correct..
8 0
3 years ago
When is it safe for you to place a construction load on a concrete structure
Mariana [72]

I dunno u would hav to work as a construction worker to find that out


6 0
4 years ago
Other questions:
  • How do i solve p+4-1-(4+r) use p=4 and r=1
    8·1 answer
  • How do you do this problem 3 2/5 + 3/8 + 1 1/2
    9·1 answer
  • Examine the diagram of circle V, where two chords, JK and LM, are equidistant from the center. If JK=4x+37, and LM=5(x+5), what
    14·1 answer
  • Which number is the solution of Start Fraction n over 3 End Fraction= –12?
    7·1 answer
  • What is the answer to this? will give brainliest if correct
    5·1 answer
  • A line with a slope of -1 passes through points at (2,3) and (5,y). What is the value of "y"??
    13·1 answer
  • If X = 2 inches, Y = 8 inches, W = 4 inches, and Z = 4 inches, what is the area of the object?
    9·1 answer
  • You transform the point (-8, 4) by rotating it 180 degrees
    8·1 answer
  • Sweet Ems Candy Shop is selling candy for $0.89 a pound or you can get a 5-lb bag for $4.10. Yum Yum Candy Store across the stre
    9·1 answer
  • Find the value of x for the given equation 12 + 2x + 18 = 10​
    12·2 answers
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!