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
Tanzania [10]
2 years ago
9

Find the values of a and b so that the equation below is an identity: (x+2)³-3(x² −2x) = x³ + ax² +bx+8​

Mathematics
1 answer:
algol132 years ago
4 0

Answer: -10 and 31 respectively

Step-by-step explanation:

You might be interested in
Find the length of a segment in the coordinate plane with endpoints (-1 , 3) and (4 , -5).
olya-2409 [2.1K]

Answer:

5 , 8

Step-by-step explanation:

This is the length

3 0
3 years ago
Read 2 more answers
The sum of two positive integers, x and y, is not more than 40. The difference of the two integers is at least 20. Chancee choos
kvasek [131]

Answer:

No, Chancee mixed up the variables, the correct solution is that x must be between 20 and 40 and y must be between 0 and 10.

Step-by-step explanation:

Here, x and y are positive integers,

Such that, their sum is not more than 40,  

i.e. x + y ≤ 40 where x, y ≥ 0,

⇒ y ≤ 40 - x                 ...............(1),

Their difference is at least 20,

i.e. x - y ≥ 20

-y ≥ 20 - x

⇒ y ≤ x - 20   ............(2),

Graphing y ≤ 40 - x :

Related equation of inequality (1),

y = 40 - x

if x = 0, y = 40,

if y = 0, 0 = 40 - x ⇒ x = 40,

'≤' represents a solid line,

Join the points (0, 40) and (40, 0) by solid line.

Graphing y ≤ x - 20:

Related equation of inequality (1),

y = x - 20,

if x = 0, y = -20,

if y = 0, 0 = x - 20 ⇒ x = 20,

'≤' represents a solid line,

Join the points (0, -20) and (20, 0) by solid line.

By graphing we obtained a feasible region that is the solution of the system of inequalities (1) and (2) ( shown below ),

In which,

20 ≤ x ≤ 40 and 0 ≤ y ≤ 30

Hence, Chancee did not find the correct solution.

5 0
3 years ago
3. A regular pentagon has a perimeter of 10x + 15. What is the length of che side?
Ivan

Answer:

C

Step-by-step explanation:

A pentagon has 5 sides. Given that it is a regular pentagon, these 5 sides are equal.

The perimeter is the total length of all the sides of the pentagon. Since these 5 sides are all equal, we can divide the perimeter by 5 to obtain the length of a side of the pentagon.

Perimeter= 10x +15

Length of each side

= (10x +15) ÷5

= 2x +3

5 0
3 years ago
Are the triangles similar? If yes, write a similarity statement and explain how you know how they are similar. If not, explain.
Triss [41]

Answer:

Please find attached pdf

Step-by-step explanation:

Download pdf
4 0
3 years ago
Answer this rn please! if you don’t know the answer, then I’ll report you
Scorpion4ik [409]

Answer: the answer is d

Step-by-step explanation: if the sign is like this > the arrow moves to the right and if its like < its to the left.

if the circle on the 11 is bold that means theres a line under > if theres no bold that means there's no line under the >.

the line means less than or equal too

goodluck :)

7 0
2 years ago
Read 2 more answers
Other questions:
  • Practice simplifyin
    13·1 answer
  • Perform he operations in the correct order :<br> 10 + 8 ÷ 1 -5
    6·2 answers
  • tina baked 552 chocolate chip cookies. she placed these cookies into boxes each contain 6 cookies. if she sell each box for $50,
    11·1 answer
  • The rectangular pyramid below has a volume of 200 m3. What is the height of the rectangular pyramid in meters? If the base is 6
    14·1 answer
  • Maths help please!!!!!!!!!!!
    13·1 answer
  • Identify an equation in point-slope form for the line perpendicular to y = -1/2x + 11 that passes through (4, -8)
    14·1 answer
  • Brendan has six less than five times the number of pencils that Riley has. Let p represent the number of pencils Riley has. Writ
    6·1 answer
  • Suppose that a school of 452 students is having a debate about gun control, and the students were asked to vote. The results sho
    11·1 answer
  • Write the slope-intercept form of the equation that passes through the point (-1, 2) and is parallel to the line y = 3/2x + 6
    14·1 answer
  • THIS IS ALGEBRA 2 CAN ANYONE SOLVE IT FOR ME?
    8·1 answer
Add answer
Login
Not registered? Fast signup
Signup
Login Signup
Ask question!