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Lapatulllka [165]
3 years ago
10

Let ​ f(x)=x2+6x+11​. What is the average rate of change from x = 5 to x = 8?

Mathematics
2 answers:
svlad2 [7]3 years ago
7 0

Answer: the answer is 19

Step-by-step explanation:

Korvikt [17]3 years ago
6 0
Plug 8 into the equation and divide it by that equation but with 5 plugged in

\frac{ {8}^{2} + 6(8) + 11}{ {5}^{2} + 6(5) + 11 }
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George's page contains twice as many type words as Bill's paid and Bill's page contains 50 fewer words and Charlie's page. If ea
defon
For this, we use simultaneous equations. Let George's page be g, Charlie's be c and Bill's page be b.

First, <span>George's page contains twice as many type words as Bill's.

Thus, g = 2b.

</span><span>Second, Bill's page contains 50 fewer words than Charlie's page.

Thus, b = c - 50.

</span>If each person can type 60 words per minute, after one minute (i.e. when 60 more words have been typed) <span>the difference between twice the number of words on bills page and the number of words on Charlie's page is 210.

We can express that as 2b - c = 210.

Now we need to find b, since it represents Bill's page.

We can substitute b for (c - 50) since b = c - 50, into the equation 2b - c = 210. This makes it 2(c - 50) - c = 210.

We can expand this to 2c - 100 - c = 210.

We can simplify this to c - 100 = 210.

Add 100 to both sides.

c - 100 + 100 = 210 + 100

Then simplify: c = 210 + 100 = 310.

Now that we know c, we can use the first equation to find b.

b = c - 50 = 310 - 50 = 260.

260 is your answer. I don't know where George comes into it. Maybe it's a red herring!</span>
8 0
3 years ago
Read 2 more answers
Suppose that x is the probability that a randomly selected person is left handed. The value (1-x) is the probability that the pe
harina [27]

Answer:

The maximum variance is 250.

Step-by-step explanation:

Consider the provided function.

V(x)=1000x(1-x)

V(x)=1000x-1000x^2

Differentiate the above function as shown:

V'(x)=1000-2000x

The double derivative of the provided function is:

V''(x)=-2000

To find maximum variance set first derivative equal to 0.

1000-2000x=0

x=\frac{1}{2}

The double derivative of the function at x=\frac{1}{2} is less than 0.

Therefore, x=\frac{1}{2} is a point of maximum.

Thus the maximum variance is:

V(x)=1000(\frac{1}{2})-1000{\frac{1}{2}}^2

V(x)=250

Hence, the maximum variance is 250.

4 0
3 years ago
For y = x^2 + 10x + 24, write the axis of symmetry, the vertex, and whether the
mylen [45]

Answer:

x= - 2

Step-by-step explanation:

hello :

note : the equation of the axis symmetry  for the parabola : y =ax²+bx+c

when :  a≠ 0 is : x=- b/2a

in this exercice : a=1  and b=10

so : x= -10/2 = -5

7 0
3 years ago
What is the lcd for the fractions 5/12 and 7/18?
Yakvenalex [24]
Denoms are 12 and 18

12=2*2*3
18=2*3*3
lcd=2*2*3*3=36

lcd=36


3 0
3 years ago
Why is there an AA similarity postulate but not an AA congruence postulate
bagirrra123 [75]

Answer:

Step-by-step explanation:

4 0
2 years ago
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