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77julia77 [94]
4 years ago
15

HELP PLEASE

Mathematics
1 answer:
vitfil [10]4 years ago
3 0
It’s 1 because of -8x^4-x^2+2
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Helen has an old laser printer that can print 900 pages in 1.5 hours. If the speed of printing remains constant, how
lilavasa [31]

Answer:

1 hour

Step-by-step explanation:

No. of pages print in 1.5 hours = 900

dividing LHS and RHS by 1.5 so that we get 1 hour in LHS

no. of page print in 1.5/1.5 (1) hours = 900/1.5 = 600.

Thus, it takes 1 hour to print 600 pages.

Given that we have to find  how

long will it take her to print a book of 600 pages.

Answer is 1 hour.

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3 years ago
4. Can two lines be parallel and perpendicular? Explain.
lidiya [134]

Answer: No

Step-by-step explanation: First, we need to understand that parallel lines are coplanar lines that do not intersect. On the other hand, perpendicular lines are lines that intersect at a right angle.

However, lines can't be both parallel and perpendicular because they either intersect each other at a right angle or never intersect.

So no, two lines can't be both parallel and perpendicular.

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3 years ago
Simplify the expression by combining like terms.
ollegr [7]

Answer:

Hi... Your answer is

-22d+f

4 0
3 years ago
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Which of the following statements about the coordinate plane are true?
Pepsi [2]
These statements are true:
<span>1. The first number in an ordered pair is the x-coordinate. 
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3 years ago
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A bag contains red and blue marbles, such that the probability of drawing a blue marble is
ivanzaharov [21]

Answer:

the answer is a 24%

Step-by-step explanation:

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3 years ago
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