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nadezda [96]
2 years ago
14

What’s does e equal?

Mathematics
2 answers:
MArishka [77]2 years ago
4 0
To get to 12 from 2, you multiply by 6, so you must do the same to the denominator, so 5 times 6 equals 30

ANSWER:
e= 30
galina1969 [7]2 years ago
3 0

Answer:

30

Step-by-step explanation:

\frac{2}{5}=\frac{12}{e}

\frac{2}{5}e=12

e=12*\frac{5}{2}=5*6=30

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What is the solution to the system of equations?
Natalka [10]

Answer:

x = 1    y = 3    z = 1

Step-by-step explanation:

(1)  x - 3y - z = -9           (2)   -2x + y + 2z = 3        (3)   2x + y + 3z = 8

                                2x(1)     <u>2x - 6y - 2z = -18</u>      (2)  <u>-2x + y + 2z = 3</u>

                                                 - 5y = -15                           2y + 5z = 11

                                                      y = 3                            2(3) + 5z = 11

                                                                                            6 + 5z = 11

                                                                                                  5z = 5

                                                                                                    z = 1

       x - 3(3) - 1 = -9

       x - 9 - 1 = -9

            x - 10 = -9

            x = 1

Note:  If you write your equations across your paper, then the work can just flow down the paper.  It makes it so much easier to show the work you have done.  OK?

5 0
2 years ago
Which experimental design compares two groups (randomly formed) on the same task, such as movement speed
anygoal [31]

Between-group design compares two groups (randomly formed) on the same task, such as movement speed.

Given things that there are two groups that are randomly formed for the same task.

A between-group design in experimental design is an experiment in which two or more groups of individuals are assessed simultaneously by separate testing factors. This design is typically used instead of, or in conjunction with, the within-subject design, which applies identical modifications of circumstances to each participant in order to monitor the reactions.

Learn more about experimental designs at brainly.com/question/17280313

#SPJ4

3 0
2 years ago
Using the expression 10 x 2/5 as an example, describe how to multiply a whole number by a fraction that is less than one.
Schach [20]
To multiply a whole number by a fraction less than one, you have to rewrite the whole number in the expression as a fraction by putting a one under it.
For example, in 10 x 2/5, you would rewrite the 10 to 10/1 x 2/5.
Then, you would multiply the top and bottom of the two fractions. In this case, it would be 10 x 2 and 1x5. This would result in 20/5.
Finally, you would simplify this fraction by dividing. The final answer is 4.
5 0
2 years ago
Read 2 more answers
What is the answer is it A. or B. or C. ?
nekit [7.7K]

Answer:

i believe its b

Step-by-step explanation:

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3 years ago
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koban [17]

Answer:

2

Step-by-step explanation:

if you multiply 2 by 3=6

  1. 2×2=4
  2. 3×3=9

8 0
3 years ago
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