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nalin [4]
3 years ago
9

2(2x³-3x²+5x-7)-3(x³+x²-x+1)​

Mathematics
1 answer:
victus00 [196]3 years ago
5 0

Answer: x³-9x²+13x-17

Step-by-step explanation:

I used Photomath with is an app that takes pictures of equations and figures them out for you, 100% percent recommend.

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Could someone please help me Thank you!!​
Ludmilka [50]

Answer:

-5/3 -2/5

im pretty sure

5 0
4 years ago
Read 2 more answers
Compare the two functions to see which has a greater rate of change. Function 1
AleksAgata [21]

Function 2 has greater rate of change

Step-by-step explanation:

In order to find the rate of change we have to covert the given linear functions in slope-intercept form

<u>Function 1:</u>

<u></u>-2x+5y = 10<u></u>

Adding 2x on both sides

<u></u>-2x+5y+2x = 2x+10\\5y = 2x+10<u></u>

Dividing both sides by 5

<u></u>\frac{5y}{5} = \frac{2x+10}{5}\\y = \frac{2}{5}x +\frac{10}{5}\\y = \frac{2}{5}x+2<u></u>

Let m1 be rate of change of function 1:

<u></u>m_1 = \frac{2}{5}<u></u>

<u></u>

<u>Function 2:</u>

<u></u>-6x+3y = 18<u></u>

Adding 6x on both sides

<u></u>-6x+3y+6x = 6x+18\\3y = 6x+18<u></u>

Dividing both sides by 3

<u></u>\frac{3y}{3} = \frac{6x+18}{3}\\y = \frac{6x}{3} + \frac{18}{3}\\y= 2x+6<u></u>

Let m2 be the slope of function 2

<u></u>m_2 = 2<u></u>

As we can see that

<u></u>m_2>m_1<u></u>

Function 2 has greater rate of change

Keywords: Linear functions, slope

Learn more about functions at:

  • brainly.com/question/10699220
  • brainly.com/question/10703930

#LearnwithBrainly

7 0
3 years ago
Mai bought a television for $330. The tax rate is 8%.
erica [24]
1 % of 330 is 3.3 and 3.3x8=26.4 so 26.4+330=356.4
356.4

6 0
3 years ago
50 POINTS TO WHOEVER CAN ANSWER QUESTIONS 1-10
Trava [24]

Answer:

1)   x = 4  2)   x = 4   3)  x = -4   4)   x = 3   5)   x = 5   6)   x = 9   7)   x = -8  

8)   x = 11   9)   x = -5   10)   x = -4

Step-by-step explanation:

Alternate Exterior and Alternate Interior angles are equal to each other.  Just set the numbers or equations the give you equal to each other.

Question 1:             Question 2:                 Question 3:               Question 4:

33x+3=135              120=31x-4                    120=x+124                 40x+5=42x-1

33x=132                  124=31x                        -4=x                           6=2x

x=4                          x=4                                x= -4                          x=3

Question 5:             Question 6:             Question 7:             Question 8:

20x+4=19x+9           11x= -9+12x               80=x+88                 10x+20=12x-2

-5= -x                        -x = -9                       -8 = x                      22=2x

x=5                            x= 9                          x= -8                       x=11

Question 9:              Question 10:

70=x+75                   130=x+134

-5 = x                         -4 = x

x = -5                         x= -4

8 0
3 years ago
Read 2 more answers
Altitude above sea level is given in positive values and below s a level is given in negative values which situation Describes a
dsp73

Answer:

If they are at 0 feet below. First off 0 isn't positve or negative. So it would be the hiker in death valley hiked 0 degrees below. Positive or negative 0 is neither. tell me if i'm wrong.

Suggestion: Listen in class and look up before asking for help. Or ask your mom or dad.


7 0
3 years ago
Read 2 more answers
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