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ASHA 777 [7]
3 years ago
5

Simplify.(2x^2 - 5x + 3) - (-x^2 + 4x - 5)

Mathematics
2 answers:
Soloha48 [4]3 years ago
7 0
X^2-x-3 is most likely the answer to be simplified
Rom4ik [11]3 years ago
3 0
That negative near the second bracket will be distributed to the whole bracket. 
2x^2-5x+3+x^2-4x+5 <-- Add like terms 
3x^2-9x+8 <- Final ANswer

Hope that helps 
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Which linear inequality is represented by the graph?
yuradex [85]

Answer:

y = 3x + 2

Step-by-step explanation:

The shaded region is somewhat going up, and the graph is positive. That leaves 2 answer choices. If you measure the slope by counting the blocks from one point to another by counting up/down from one point to the height to another point, and then go right or left to the other point. the slope is 3, therefore y = 3x +2 is the answer, as it is the only one that the shaded region is above the line and that has a slope of 3. Hope this helps!

5 0
3 years ago
Balance this equation:<br> HgO ---&gt; 2Hg + O2
lesantik [10]

Answer:

I think it's

2 HgO (s) → 2 Hg (l) + O2 (g)

Step-by-step explanation:

This is an oxidation-reduction (redox) reaction:

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2 O-II - 4 e- → 2 O0

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7 0
3 years ago
1. f(x)= (x+4)(x-6) 2. f(x)= (2x-4)(x-3)
devlian [24]

The intercepts and the standard form of each polynomial are listed below:

  1. x-Intercept: x = - 4 or x = 6, Standard form: f(x) = x² - 2 · x - 24, y-Intercept: f(0) = - 24
  2. x-Intercept: x = 1 / 4 or x = 3, Standard form: f(x) = 2 · x² - 10 · x + 12, y-Intercept: f(0) = 12
<h3>How to find the intercepts and the standard form of quadratic equations</h3>

In this case we need to find the intercepts of each quadratic equation and transform each quadratic equation into standard form. The x-intercept correspond with each of the roots of the polynomial and the y-intercept is found by evaluating the expression at x = 0.

Now we proceed to find each element:

Case 1

x-Intercept

x = - 4 or x = 6

Standard form

f(x) = (x + 4) · (x - 6)

f(x) = x² - 2 · x - 24

y-Intercept

f(0) = - 24

Case 2

x-Intercept

x = 1 / 4 or x = 3

Standard form

f(x) = (2 · x - 4) · (x - 3)

f(x) = 2 · (x - 2) · (x - 3)

f(x) = 2 · (x² - 5 · x + 6)

f(x) = 2 · x² - 10 · x + 12

y-Intercept

f(0) = 12

To learn more on quadratic equations: brainly.com/question/1863222

#SPJ1

6 0
2 years ago
A movie theater has a seating capacity of 331. The theater charges $5.00 for children, $7.00 for students, and $12.00 for adults
nlexa [21]

Answer:

87 adults

174 children

70 students

Step-by-step explanation:

5 0
2 years ago
If the median has 2 of the same number do you add them
maksim [4K]

Answer:

yes

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
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