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Zigmanuir [339]
3 years ago
5

What happens during a controlled experiment?

Mathematics
2 answers:
Nookie1986 [14]3 years ago
5 0

Answer:

many variables are changed at once

9966 [12]3 years ago
3 0

Answer:

Step-by-step explanation:

The answer is that 1 variable is allowed to change. The others are held at a constant.

An example would be the growth of a poinsettia. These Christmas plants are very touchy. They respond badly to too much water or not enough water. So you keep the amount of dirt, the amount of sunlight, the amount of support that each plant receives as a constant.

The amount of water is what you change in one of the plants. The one plant (or a few) will measure the growth of the plant.

So the last answer is the one you want.

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Which of the equations is graphed below?
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C (y=4x)

Step-by-step explanation:

rise/run = 4/1 = 4

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What property is illustrated by 6 x 5 = 5 x 6?
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This is the commutative prorerty of the multiplication

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What fraction is shown by the point on the number line? Type your answer
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1/4

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3 years ago
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A theater contains 460 seats and the ticket prices for a recent play were $52 for adults and $26 for children. If the total proc
Vlada [557]

Answer:

The answer to your question is There were sold 166 adult tickets and 294

                                                     children tickets.

Step-by-step explanation:

Data

Total number of seats = 460

cost for adults = a = $52

cost for children = c = $26

Total cost = $16276

Process

1.- Write equations to solve this problem

              a + c = 460                    Equation l

         52a + 26c = 16276             Equation ll

2.- Solve the system of equation by substitution.

-Solve equation l for a

             a = 460 - c

-Substitute a in equation ll

         52(460 - c) + 26c = 16276

-Expand

         23920 - 52c + 26c = 16276

-Simplify

                     -26c = 16276 - 23920

                     -26c = -7644

                          c= -7644/-26

                          c = 294

3.- Find a

                        a = 460 - 294

                        a = 166

8 0
3 years ago
Read 2 more answers
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