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
Tom [10]
3 years ago
12

Which is a correct expansion of (4x + 1)(2x2 – 2)?

Mathematics
2 answers:
Travka [436]3 years ago
8 0

Answer:

A.  4x * 2x² + 4x( -2) + 1 * 2x² + 1 * (-2)

Step-by-step explanation:

(4x + 1)(2x² – 2)

apply the FOIL method

= 4x * 2x² + 4x( -2) + 1 * 2x² + 1 * (-2)

Andreas93 [3]3 years ago
7 0

Answer:

option A is correct

4x.2x²+4x.(-2)+1.2x²+1.(-2)

hope this will help :)

You might be interested in
Jamal has $15.00 to spend at the concession stand. He buys nachos for $7.50, and he wants to purchase some sour straws for $1.50
GalinKa [24]

Answer:

x = 5

$15.00 is the total amount of money Jamal has right? To find the remaining amount of money Jamal has subtract 15 - 7.5 (price of nachos) = 7.5 (remaining amount of money Jamal has.) Now for part 2, since the sour straws are $1.50 each you just have to multiply X to get close as close to the remaining amount of money as possible.

1.50× 5 (amount of sour straws) is equal to 7.50 (price of 5 sour straws).

To check your answer let's add the price of nachos (7.50) and 5 sour straws (7.50) which is 15.00 the total amount Jamal brought with him.

Let me know if you have any other questions :)

4 0
3 years ago
Read 2 more answers
What is the common factor of the numerator and denominator in the expression <img src="https://tex.z-dn.net/?f=%5Cfrac%7B%282x%2
mixer [17]

Answer:

Step-by-step explanation:

(x - 4)

What you are being asked to do is find the exact same binomial in the top as is in the bottom.

But there's a small catch. You must stipulate that x cannot equal 4. If it does, then you will get 0/0 which is undefined. You can't have that happening -- not at this level.

Any other value for x is fine.

5 0
3 years ago
Michela’s skateboard ramp is at an incline of 40°. When she attempts a trick on the ramp, she finds that it is too steep. She ad
marissa [1.9K]

Answer:

22.7604763 degrees

Step-by-step explanation:

Note that the answer is NOT 20 degrees.

She adjusted the ramp to half the original <em>incline</em>

Therefore we have tan 40 = x = 0.839099631.

We want an incline of y degrees where tan y = x/2 = 0.839099631/2 = 0.419549815

Taking the arctan of both sides, we get

y = arctan(0.419549815) = 22.7604763 degrees

8 0
3 years ago
If one earthquake has a magnitude of 5 on the Richter scale and a second earthquake has a magnitude of 6,
sammy [17]

Answer:

sister and brother

5 0
3 years ago
100 POINTS plz dont answer unless you know how to solve this.
Alexandra [31]

Answer:

31.9 mi

Step-by-step explanation:

AC/sin(angleABC) = AB/sin(angleACB)

6 0
3 years ago
Other questions:
  • Answer both questions please
    9·1 answer
  • Solve 7x + 2 &lt; 9x - 4
    6·1 answer
  • The first side of a triangle measures 4 in. less than the second side, the third side is 3 in. more than the first side, and the
    5·1 answer
  • Four cards are dealt from a standard fifty-two-card poker deck. What is the probability that all four are aces given that at lea
    11·1 answer
  • HELP ME ASAP! PLS!!!!
    6·2 answers
  • Samantha is trying to determine how she can save money by cutting her electricity bill. She is currently on a standard use plan
    9·1 answer
  • Solve the following system of equations by graphing.<br> - 4x + 3y -12<br> - 2x + 3y -18
    11·1 answer
  • Explain to me what cathyrn did wrong based of the line plot? I’ll mark brainliest if I have one
    15·1 answer
  • Solve the system of equations:
    10·1 answer
  • Write an equation in point-slope form of the line that passas through the point (-6,6) and has a slope of m=3/2
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!