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HACTEHA [7]
2 years ago
8

A teacher needs to find out how many seventh-grade students will be going on a field trip. Which best describes the population t

hat the teacher should survey?
the parents of all the students in the school
the parents of the seventh-grade students
each teacher in the school
each student in the schoo
Mathematics
1 answer:
Charra [1.4K]2 years ago
6 0

Answer:

The parents of the seventh grade students

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HELP!! Given f(x)=5x squared and g(x) = x squared + 2x squared - 5x, what is F (x) * g(x)?
TEA [102]
X^2+2x^2-5x

((x^2)+2x^2)-5x

Pull the factors out

3x^2-5x=x(3x-5)

x(3x-5)

x(3x-5)*5x^2

5x(3x-5)*x^2


Final

5x^3*(3x-5)



8 0
3 years ago
Will mark brainlyest!!
butalik [34]

Answer:

A = 120 cm^2

Step-by-step explanation:

The formula for surface area of a rectangular prism is:

A = 2(area of the top) + 2(area of the front) + 2(area of one side)

Substituting the values:

A = 2(20) + 2(16) + 2(24)

First, distributing:

A = 40 + 32 + 48

Then adding, giving your final answer

A = 120 cm^2

Hope this helps you :)

6 0
2 years ago
Is (-3,4) a solution of the inequality y> - 2x – 3?
jeyben [28]

Answer:

  (-3, 4) is a solution

Step-by-step explanation:

The point (-3, 4) is inside the shaded area of the graph, so is a solution.

You can check in the inequality

  y > -2x -3

  4 > -2(-3) -3 . . . . substitute for x and y

  4 > 3 . . . . . . . true; the given point is a solution

8 0
3 years ago
What is the area?? How do I find it?
Alika [10]

Answer:

73.5

Step-by-step explanation:

A=bh

10.5*7

    73.5

6 0
3 years ago
By graphing the system of constraints, find the values of x and y that maximize the objective function.
Anastasy [175]
The easiest method to solve problems like this is to graph the inequalities given and shade the regions that make them true. When you have properly shaded all of the regions, you will find that you have a region which is bounded on all four sides by one of the inequalities, and then you can find the x and y values which correspond to the vertices of the shaded region.

You didn't provide a function that you are trying to maximize in this example, but the idea is that you take all of the (x,y) points which correspond to the vertices and plug them into your objective function. The one which produces the largest value maximizes it (it is a similar process for minimizing it, but you'd be looking for the smallest value). Let me know if you need more help than that, or would like me to work out the example you have provided (I will need an objective function for it though).
6 0
3 years ago
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