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Dafna11 [192]
3 years ago
5

A cup is filled with

Mathematics
1 answer:
Harrizon [31]3 years ago
6 0

Answer:

t=100-2x

Step-by-step explanation:

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Please Help,This is hard. If you could do it step by step that would be Great :)​
Anna11 [10]

A. Bc a negative times a negative would be positive

C. Bc it would equal 0 and zero is not negative.

1*-7=-7 it wants a negative value so times it by one keeps it negative and same with if it is Multiplied by 7

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What is the slope of the line? question 3
valentina_108 [34]

Answer:

slope =1

Step-by-step explanation:

hope it help you

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The intersection of a line and a plane is..
WINSTONCH [101]

Answer:

See below in bold.

Step-by-step explanation:

Intersection of a line and a plane is a point.

Intersection of two planes: it is a line.

The least amount of non-collinear points is 3.

2 lines on the same plane which never intersect  are parallel.

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3 years ago
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Kelly tells you that when variables are in the denominator, the equation becomes unsolvable. "There is a value for x that makes
MrMuchimi
<span>Let's try to solve the equation: 1/x + 1/(x)² = 2
Kelly says that it is not possible because there are the variable x and x² in the denominators. Kelly is correct in that there is a value of x that makes the denominator zero. In this case, x = 0 makes the denominator of 1/x zero and also makes the denominator of 1/x² = 0. 
</span>But, we want to look for values of x that will make the whole equation true, not the values of x that make the denominators zero. 1/x + 1/(x)² = 2

(x +1)/(x)² = 2 

Multiply through by x² with the proviso that x is not 0. 

Then, (x + 1) = 2x²

At this point, we are looking for solutions to (x + 1) = 2x² which is related to but not identical to the original equation. So, we will have to check any answers we get to (x + 1) = 2x² against the original problem: 1/x + 1/(x)² = 2

7 0
3 years ago
One hundred sixty-two guests attended a banquet. Three servers provided their beverages. The first server helped three times as
Rudiy27

Answer:

  • Below given.

Step-by-step explanation:

  • 162 total guests.
  • 3 servers

Let the number of guests the second server helped be x.

then the first server helped 3x

then the third server helped [(3x)*2] = 6x

Equation in total:

                               6x + 3x + x = 162

                                10x = 162

                                   x = 16.2

  • First server helped: 3 * 16.2 = 49 guests
  • Second server helped: 16 guests
  • Third server helped: 6x = 6(16.2) = 97 guests
6 0
3 years ago
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