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Veseljchak [2.6K]
3 years ago
11

Solve for y 3y-1=z 2

Mathematics
1 answer:
Eva8 [605]3 years ago
5 0

Answer:

y=1

Step-by-step explanation:

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Calculate the average rate of change of the quadratic function y = -x2 + 4x +2
algol13

Answer:

2

Step-by-step explanation:

The average rate of change of f(x) in the closed interval [ a, b ] is

\frac{f(b)-f(a)}{b-a}

Here [ a, b ] = [ 0, 2 ], thus

f(b) = f(2) = -(2)² + 4)(2) + 2 = - 4 + 8 + 2 = 6

f(a) = f(0) = 2

average rate of change = \frac{6-2}{2-0} = \frac{4}{2} = 2

6 0
3 years ago
What percentage of the total students chose skateboarding?
Sergeu [11.5K]
I FOUND YOUR COMPLETE QUESTION IN OTHER SOURCES.
 PLEASE SEE ATTACHED IMAGES.

 For this case, the first thing we are going to do is add the number of students in each of the disciplines.
 We have then:
 walk = 9
 bike = 8
 skateboard = 3
 Total: 20
 The percentage sought is then:
 (3/20) * (100) = 15%
 Answer:
 
percentage of the total students chose skateboarding is:
 
D.) none of these

5 0
3 years ago
Solve for x 4.72 = 3.25 + x
Anna [14]
Flip the situation:
X + 3.25 = 4.72

Subtract 3.25 from both sides
X + 3.25 - 3.25 = 4.72 - 3.25

X = 1.47
3 0
3 years ago
Can someone help me? its due in 10 minutes.
Lyrx [107]

Answer:

The first option is correct.

7 0
3 years ago
Read 2 more answers
If f(x)=-4x^2-6x-1 and g(x)=-x^2-5x+3 find (f – g)(x)
sukhopar [10]

f(x)=-4x^2-6x-1\\\\g(x)=-x^2-5x+3\\\\(f-g)(x)=f(x)-g(x)=(-4x^2-6x-1)-(-x^2-5x+3)\\\\=-4x^2-6x-1+x^2+5x-3=(-4x^2+x^2)+(-6x+5x)+(-1-3)\\\\=-3x^2-x-4\to\boxed{B.}

8 0
4 years ago
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