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
GenaCL600 [577]
3 years ago
7

What is the result of adding -3x2 - 5x + 1 and 8x2 - 2x - 9

Mathematics
1 answer:
Fudgin [204]3 years ago
6 0

(-3x^2 - 5x + 1) + (8x^2 - 2x - 9)

1st remove the parenthesis

-3x^2 - 5x + 1 + 8x^2 - 2x - 9

then combine like terms

5x^2 - 7x - 8 is the final answer

You might be interested in
Please help me please!!! I'll give brainlest for correct answer​
Aloiza [94]

Answer:

why you just don't put the question up

Step-by-step explanation:

8 0
2 years ago
In a survey of 200 employees, 65% agreed that the management of the cafeteria should be changed. If the confidence interval is 9
Kruka [31]

Answer:

c.136

Step-by-step explanation:

7 0
3 years ago
Please help! And 20 points! :3<br> I need help with these 3 questions-<br> -3-||
Katyanochek1 [597]

Answer:

18. Its 2 meters.

19. Its 0.2 grams

20. Its 1,920

Step-by-step explanation:

When you convert 200 centimeters to meters its 2.

When you convert 2,000 milligrams in grams its 0.2

15% of 12, 800 is 1,920

Hope this helps:)

8 0
3 years ago
The data below represent the number of days absent per year in a population of three employees of a small company:
love history [14]

The sampling distribution is illustrated below.

<h3>How to illustrate the sampling?</h3>

Based on the information given, the population is illustrated as 1, 4, 7. The sample without replacement will be:

<u>Sample Mean</u>

1 and 4. 2.5

1 and 7. 4

4 and 7. 5.5

The population mean will be:

= (1 + 4 + 7)/3

= 4

The sample mean is an unbiased estimator of the population mean.

The sampling with replacement illustrates that the mean will be:

= 36/9 = 4

Also, when n = 3, the number of samples will be:

= 3³ = 27

Learn more about sampling on:

brainly.com/question/17831271

#SPJ1

8 0
2 years ago
Select the correct answer.What is the zero of the function represents by this graph?SHORT QUICK ANSWERS ONLY NOT A TEST
Pepsi [2]

Given

Answer

The graph touches the x-axis at -6

Hence x = -6 is the zero of the graph.

6 0
11 months ago
Other questions:
  • Given that the acceleration vector is a(t)=(-4cos(2t),-4sin(2t),t)
    6·1 answer
  • I need help his to do it
    14·2 answers
  • Ralph bought a computer monitor with an area of 384 square inches. The length of the monitor is six times the quantity of five l
    11·1 answer
  • 35+-20+-5 What is the answer?? Worth 10pts...
    15·1 answer
  • The length of the arc intercepted by a congruent central angle is proportional to the _______ in similar circles.
    12·1 answer
  • Solve for m. −3/7m=12
    12·1 answer
  • Alice and Amy decide to meet at a party. From a corner of the party hall, Amy spots Alice at the corner of the hall diagonally o
    11·2 answers
  • Which statement is true regarding the functions on the graph?
    6·1 answer
  • 5. The Toy Car Company sells toy cars for $8.00<br> per car and charges $3.50 for shipping.
    13·1 answer
  • find the image of (2,4)obtained by translating 2 units down followed by a rotation of 180° counterclockwise about the origin
    13·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!