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irina1246 [14]
3 years ago
15

The school's copier can

Mathematics
1 answer:
iragen [17]3 years ago
6 0

Answer: 45 copies in 18 minutes

Step-by-step explanation:

i figured it out ;)

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Simplify 3(2x+4y-2z)+7(x+y-4z)
Nostrana [21]

3(2x + 4y - 2z) + 7(x + y - 4z)
Remove parenthesis.
Distribute 3 and 7 through the parenthesis

= 6x + 12y - 6z + 7x + 7y - 28z
Collect the like terms by adding their coefficients.

= 13x + 12y - 6z + 7y - 28z
Collect the like terms by adding their coefficients.

= 13x + 19y - 6z - 28z
Collect like terms by calculating the sum or difference of their coefficients. Use addition and subtraction rules to calculate the expression.

= 13x + 19y - 34z
5 0
3 years ago
A sociologist is interested in seeing if people's satisfaction with their married life (very satisfied, somewhat satisfied, fair
devlian [24]

Answer:  B. Parent's marital status

The sociology is the study of different aspects of the human society. An explanatory variable is the one which can explain a particular condition or attribute in a study. In the given study the parent's marital status is the explanatory variable. The parent's marital status can influence the married life of their children. The children can be either satisfied or unsatisfied by their marriage because of the influence of the parents. For example, if the parent is single divorced or widow the parent may likely to interfere in the life of the married children in decision making and this likely to cause disputes between the married couple.

6 0
3 years ago
Read 2 more answers
Which term describes alliance line segment that connects a vertex of a triangle to a point on the line containing the opposite s
uranmaximum [27]

Answer:

Altitude

Step-by-step explanation:

An altitude of a triangle always extends from a vertex to the opposite base (side) of the triangle, and it is always at a right angle. It is also known as the "height".

3 0
3 years ago
Which ordered pairs are solutions to the system? Check all of the boxes that apply.
77julia77 [94]

Answer:

the answer is the 3rd & 5th one for anyone doing this question ; )

Step-by-step explanation:

I just did this question

It's right i just checked

7 0
3 years ago
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Four-ninths of the students at Edison Junior High School walk to school. If 248 students walk to school, how many students atten
Gekata [30.6K]

9514 1404 393

Answer:

  558

Step-by-step explanation:

Let p represent the student population at Edison Jr High. Then we know ...

  (4/9)p = 248 . . . . . 248 students is 4/9 of the student population

  p = 248(9/4) = 558 . . . multiply the equation by 9/4

558 students attend Edison Jr. High.

7 0
3 years ago
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