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
Verizon [17]
3 years ago
12

Evaluate-2x3 - 2x2 - 4x-2 for x=-2. A.-18 B. 16 C. -2 D. 14

Mathematics
1 answer:
dmitriy555 [2]3 years ago
4 0

Answer:

14

Step-by-step explanation:

-2x^3 - 2x^2 - 4x-2

Let x = -2

-2 (-2)^3 - 2 (-2)^2 -4(-2) -2

Exponents first

-2 (-8) -2 (4) -4(-2) -2

Then multiply

16 -8 +8 -2

Then add and subtract

14

You might be interested in
a large basket of apples weighed 10 2/3lb. if the weight of the basket was 1 1/4lb, how much did the apples weigh?
dolphi86 [110]

A large basket of apples weighed 10 2/3lb

Basket was 1 1/4lb

Apples weigh = 10 2/3 - 1 1/4

Apples weigh = 10 8/12 - 1 3/12

Apples weigh = 9 5/12

Answer

Apples weighed 9 5/12 lbs

7 0
3 years ago
Read 2 more answers
Convert 4.2% to an<br> equivalent decimal.
hjlf

Answer:

4.2% = 0.042

Step-by-step explanation:

You need to divide the percentage by 100 to get its equivalent decimal:

100% = 1 because

100 ÷ 100 = 1

Therefore,

4.2% = 0.042 because

4.2 ÷ 100 = 0.042

Hope this helped :)

5 0
2 years ago
What is the value of X. I will mark brainliest to the first 1 week right
Paraphin [41]

The two angles form a straight line and need to equal 180 when added together:


7x + 28 + 33 = 180

Simplify:

7x + 61 = 180

Subtract 61 from both sides

7x = 119

Divide both sides by 7

X = 17


Answer: B.17

7 0
2 years ago
Read 2 more answers
What is a number that is greater than 40 who is prime fact tour is a send contains three prime numbers that do not repeat
Step2247 [10]
<span>The topic of decimals, and patterns of decimals, seems to be of slightly greater interest to GMAC in the GMAT OG13e than in previous editions.  What decimals terminate?  What decimals repeat?  In this post, we’ll take a look at these questions.</span>
7 0
3 years ago
Join this to talk to me :)
elixir [45]

Answer:

May you mark me brainelist

6 0
3 years ago
Read 2 more answers
Other questions:
  • . The sum of three consecutive numbers is greater than 40. The inequality that represents this is x + x + 1 + x + 2 &gt; 40. Whi
    10·1 answer
  • The difference of m and 7 increased by 15??
    8·2 answers
  • How do you get the number 50 with the numbers 2,3,6,8 with using all numbers and only using them once.
    14·1 answer
  • The perimeter of a rectangle is 42 inches. If the width of the rectangle is 8 inches, what is the length?
    5·2 answers
  • Someone please help me its due today plesse!!!❤​
    6·1 answer
  • Pleaseeeeee help I'll give Brainliest urgent!!!!!!!!!!!!!!!!!!!!
    7·2 answers
  • Explicit equation for the sequence
    11·1 answer
  • 3a≥ -6<br> solve for a <br> PLEASE
    5·1 answer
  • F. 40% of students use the Math Lab on a consistent basis. If 1,250 students are
    9·1 answer
  • Manny plans to save 1/14 of his salary each week. If his weekly salary is $378, find the amount he will save each week.
    6·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!