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zzz [600]
3 years ago
11

What are the correct answers ??

Mathematics
2 answers:
Tatiana [17]3 years ago
7 0
The second and third one for a and the forth one for b
Afina-wow [57]3 years ago
6 0
2 and 3 for A
4 for B
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Which shows the use of the associative property?
irina1246 [14]

Answer:

The Second One or B. You were correct.

Step-by-step explanation:

The associative property is when the numbers of an equation stay the same, but the parentheses move.

6 0
3 years ago
It takes Winnie 26 minutes to type and spell check 14 pages of a manuscript. Find how long it takes her to type and spell check
Lyrx [107]

Step-by-step explanation:

Below is an attachment containing the solution.

4 0
3 years ago
Find the minimum and maximum value of the function on the given interval by comparing values at the critical points and endpoint
Kitty [74]

Answer:

maximum: y = 1

minimum: y = 0.

Step-by-step explanation:

Here we have the function:

y = f(x) =  √(1 + x^2 - 2x)

we want to find the minimum and maximum in the segment [0, 1]

First, we evaluate in the endpoints, which are 0 and 1.

f(0)  =√(1 + 0^2 - 2*0) = 1

f(1) = √(1 + 1^2 - 2*1) = 0

Now let's look at the critical points (the zeros of the first derivate)

To derivate our function, we can use the chain rule:

f(x) = h(g(x))

then

f'(x) = h'(g(x))*g(x)

Here we can define:

h(x) = √x

g(x) = 1 + x^2 - 2x

Then:

f(x) = h(g(x))

f'(x)  =  1/2*( 1 + x^2 - 2x)*(2x - 2)

f'(x) = (1 + x^2 - 2x)*(x - 1)

f'(x) = x^3 - 3x^2 + x - 1

this function does not have any zero in the segment [0, 1] (you can look it in the image below)

Thus, the function does not have critical points in the segment.

Then the maximum and minimum are given by the endpoints.

The maximum is 1 (when x = 0)

the minimum is 0 (when x = 1)

7 0
3 years ago
In the fraction below, which number is the numerator?<br> 3<br> 4<br> ।
vesna_86 [32]

Answer: The 3 is the numerator.

The top number is always the numerator.

6 0
3 years ago
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Is 54 prime or composite?
sineoko [7]

Answer:i guess yes

Step-by-step explanation:

6 0
3 years ago
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