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Novay_Z [31]
2 years ago
9

A national trivia tournament starts with 262,144 teams. With each round, there are half as many teams as before. The number of t

eams after any number of rounds, x, can be modeled with the following function.
f(x) = 262,144

Which statement compares the mathematical range and reasonable range of the function?

Both the mathematical and reasonable ranges are limited to real numbers greater than 0 and less than or equal to 262,144.
Both the mathematical and reasonable ranges are limited to whole numbers greater than 0 and less than or equal to 262,144.
The mathematical range is all real numbers greater than 0. The reasonable range is all real numbers greater than 0 and less than or equal to 262,144.
The mathematical range is all real numbers greater than 0. The reasonable range is all whole numbers greater than 0 and less than or equal to 262,144
Mathematics
2 answers:
zavuch27 [327]2 years ago
6 0

Answer:

D) the mathematical range is all real numbers greater than 0. The reasonable range is all whole numbers greater than 0 and less than or equal to 262,144

Step-by-step explanation:

nirvana33 [79]2 years ago
5 0

Answer:

D.) The mathematical range is all real numbers greater than 0. The reasonable range is all whole numbers greater than 0 and less than or equal to 262,144.

Step-by-step explanation:

I don't even know, but yeah.

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15x^2 - 25 answer with a complete sentence
zubka84 [21]

Answer:

No, the following expression is not a difference of squares. Binomial can not be factored as the  difference of two perfect squares. 3 is not a square.

Step-by-step explanation:

Factor

15x^2 - 25

(15x)^2(-5)^5

Divide by 3 and factor

5(3x^2-5)

"Theory:

A difference of two perfect squares,  A2 - B2  can be factored into  (A+B) • (A-B)

Proof :  (A+B) • (A-B) =

        A2 - AB + BA - B2 =

        A2 - AB + AB - B2 =

        A2 - B2

Note :  AB = BA is the commutative property of multiplication.

Note :  - AB + AB equals zero and is therefore eliminated from the expression."

I put a picture to help u understand.

7 0
2 years ago
A student has gotten the following grades on his tests. What is the minimum grade he must get on the last test in order to have
steposvetlana [31]
In order to get an 81 average, 
the student has to get 81x5=405

71+96+90+73+?=405
330+?=405
405-330=75
he needs to get an 75

3 0
3 years ago
Solve by substitution<br><br> 8x+y=-16<br> -3x+ y= -5
azamat

Answer:

y=–8, x=–1

Step-by-step explanation:

I don't have time to explain

3 0
2 years ago
Find the average rate of horizontal change of the ball the 1.6 sec.
djverab [1.8K]

a)

the average speed, well it does 10 ft in 1.6 secs, so is simply their quotient, 10/1.6 = 6.25 ft/s on average.


b)

over the horizontal, well, it covered horizontally 9.25 ft in those 1.6 secs, so their quotient is 9.25/1.6 = 5.78125 ft/s on average.


c)

we don't know the vertical distance, but


\bf \textit{using the pythagorean theorem}&#10;\\\\&#10;c^2=a^2+b^2\implies \sqrt{c^2-a^2}=b&#10;\qquad&#10;\begin{cases}&#10;c=\stackrel{10}{hypotenuse}\\&#10;a=\stackrel{9.25}{adjacent}\\&#10;b=opposite\\&#10;\end{cases}&#10;\\\\\\&#10;\sqrt{10^2-9.25^2}=b\implies \sqrt{14.4375}=b\implies 3.8\approx b


so, it covered vertically about 3.8 ft in those 1.6 secs, so then 3.8/1.6 = 2.375 ft/s on average

7 0
2 years ago
Read 2 more answers
Which expression is equivalent to 1/2 (14x-2)-1/4(4x-24)?
kkurt [141]
1/2 (14x-2)-1/4(4x-24) = 6x + 5

6 0
3 years ago
Read 2 more answers
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