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elena-14-01-66 [18.8K]
2 years ago
11

Penny reads 11 pages in one fourth hour. What is the unit rate for pages per​ hour? For hours per​ page?

Mathematics
2 answers:
krok68 [10]2 years ago
7 0
She is reading at a rate of 44 pages per hour
Nutka1998 [239]2 years ago
6 0
She is reading 44 pages in 1 hour. 
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Form a quadratic polynomial whose zeroes are 3-√3/5 and 3+√3/5?​
barxatty [35]

Answer:

x^2 -6x + 222/25

Step-by-step explanation:

If the zeros are as above, then ;

x = 3-√3/5 or x = 3 + √3/5

Firstly, let’s represent √3/5 by b

Thus;

The two roots are ;

x = 3-b or x = 3 + b

so;

x+ b -3 and x -3-b

The quadratic equation is the product of the two

(x + b-3)(x - b -3)

x(x - b-3) + b(x -b -3) -3(x - b -3)

= x^2 -bx -3x + bx -b^2 -3b -3x + 3b + 9

Collect like terms and we are left with;

x^2 -6x -b^2 + 9

So let’s put back b = √3/5

x^2 -6x -(√3/5)^2 + 9

x^2 -6x -3/25 + 9

x^2 -6x + 222/25

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3 years ago
For g(x)=x^2-2, determine g(x+2)
Svetlanka [38]

Answer:g(x)=-4^2+4x-5

Step-by-step explanation:

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What is the area of the figure?<br> 118 in 2<br> 48 in 2<br> 128 in 2<br> 108 in 2
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Bill likes the outdoors, nature walking, and hunting deer and turkeys.
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Answer:

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Step-by-step explanation:

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Over what interval will the immediate value theorem apply
koban [17]

Answer:

Any [a,b] that does NOT include the x-value 3 in it.

Either an [a,b] entirely to the left of 3, or

an  [a,b] entirely to the right of 3

Step-by-step explanation:

The intermediate value theorem requires for the function for which the intermediate value is calculated, to be continuous in a closed interval [a,b]. Therefore, for the graph of the function shown in your problem, the intermediate value theorem will apply as long as the interval [a,b] does NOT contain "3", which is the x-value where the function shows a discontinuity.

Then any [a,b] entirely to the left of 3 (that is any [a,b] where b < 3; or on the other hand any [a,b] completely to the right of 3 (that is any [a,b} where a > 3, will be fine for the intermediate value theorem to apply.

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