3 years ago

Function or not a function?

Mathematics

1 answer:

elixir [45]3 years ago

4 0

yo no se ok yo no se solamente qiero puntos

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(5x+1)(5x-1) combine terms

Alinara [238K]

Answer:

25x^2 -1

Step-by-step explanation:

If you multiply parentheses:

(5x*5x) + (5x*-1) + (1*5x) + (1*-1)

25x^2 - 5x + 5x -1

25x^2 -1

A simpler way is to memorize this formula

(Square1 - square2)= (sqrt of square1- sqrt of square2)*(sqrt of square1 + sqrt of sqaure2)

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3 years ago

Two fourth is _____________ pieces of the whole

sweet-ann [11.9K]

1/2 pieces of the hole because you can simplify 2/4 by dividing it by 2 and you'll get 1/2

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3 years ago

Pleaee help me with this im stuck

AURORKA [14]

the answers are clear if you use priority and equation rules.

q=11
u=2
a=13
l=8
s=12

6 0

3 years ago

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Which of the following expressions is equivalent to 12x-3+2x+13

Goshia [24]

Answer:

You need to give us the answer choices

8 0

3 years ago

Kevin is a quarterback on the football team.he completed 36 passes during the season.his second-string replacement,Mark complete

anastassius [24]

36 × $\frac{2}{9}$

Since 9 is a factor of 36 you can reduce the 36 to 4 and the 9 to one

Then just multiply what is left

4 <span>× 2 = 8

So, Mark completed 8 passes.</span>

3 0

3 years ago