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
Andreyy89
3 years ago
15

If x = -3, calculate the value of: 2xsquared + x

Mathematics
2 answers:
Archy [21]3 years ago
6 0
2 x - 3² + - 3
2 x 9 + - 3
18 - 3
15
Debora [2.8K]3 years ago
4 0
Insert the value of x into the equation
2 (-3^2)+(-3)
2 (9)-3
18-3=15
You might be interested in
At Everyday Donuts, 3 of the last 6 donuts sold had sprinkles. Considering this data, how many of the next 10 donuts sold would
Oliga [24]

Answer:

5

Step-by-step explanation:

3 is half of 6, so since half of 10 is 5 I'd say 5.

I hope this helped <3

4 0
2 years ago
A bag contains hair ribbons for a spirit rally. The bag contains 4 black ribbons and 5 green ribbons. Lila selects a ribbon at r
ale4655 [162]

Answer:

Total ribbons = 3 + 12 = 15So, 3/15 = black12/15 = greenTherefore the probability Lila selects the black ribbon first is 12/15Because Lila has taken one

Step-by-step explanation:

4 0
2 years ago
Which expression is equivalent to x4 • x−2?
damaskus [11]
<h3>Hey there! </h3><h3>The second "x" is has  invisible 1</h3><h3>Here, this is what I meant: x^ 1</h3><h3>So, now your equation looks like this: x^4(x^1 -2)</h3><h3>Add the exponents: 4 + 1 = 5</h3><h3>Therefore your answer should be: x^5 - 2</h3><h3>(Note: there's many ways to solve these types of equations, I just gave you the basic method) </h3><h3 /><h3>Good luck on your assignment and enjoy your day! </h3><h3>~LoveYourselfFirst:)</h3>
6 0
3 years ago
Chaz is on a ladder 12 feet above ground.Chez is in the subway 15 feet underground. What is the distance from Chez to Chaz?
Vesna [10]

Answer:

27 feet

Step-by-step explanation:

4 0
2 years ago
Noah is standing 5 feet from a tree that is 12 feet tall. If Noah is looking at
Anastaziya [24]

Answer:

7

Step-by-step explanation:

5 0
3 years ago
Other questions:
  • What's the equation
    7·1 answer
  • What's (8,-2) (r,-6), m =-4
    10·1 answer
  • Choose the correct answer.
    11·1 answer
  • Evaluate f(x) = x 2 + 1 for f(10). 2√2 101 21
    15·1 answer
  • 4. The sum of two numbers is 36. Twice the first
    14·1 answer
  • HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
    14·2 answers
  • From the figure, your friend concludes that m&lt;BAD &gt; m&lt;BCD. How would you correct your friend's mistake?​
    5·1 answer
  • What percent of 240$ is 12$​
    9·2 answers
  • Simplify (-8q3,4s2)2 = ?<br> A. -649-1654<br> B. 6496854<br> C. -6496854<br> D. 6499-1684
    13·1 answer
  • If computers sell for $1040 per unit and hard drives sell for $129 per unit, the revenue from x computers and y hard drives can
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!