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statuscvo [17]
3 years ago
6

this year,15 of the 40 computers in the math lab are not new. which representation is equivalent to the fraction of computers th

at are new.​
Mathematics
1 answer:
just olya [345]3 years ago
3 0

Answer:

5/8

Step-by-step explanation:

Subtract the total computers from the old computers.

40-15=25

Then put the number of new computers over the total computers

25/40

Then, simplify

5/8

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Evaluate 3a2 + 2b when a = -4 and b = 6.
seropon [69]

156

Explanation:

3 x -4 =-12

-12 x -12 = 144

2 x 6 = 12

12 + 144 =156

4 0
4 years ago
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Which are the most important task for project planning?​
Natasha_Volkova [10]

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Answer:

1. Adjusting the budget and communicating with the team assessing the final project.

2. Finishing up old projects.

3. Creating a time line and making the budget updating the schedule.

4. Prioritizing tasks and distributing resources.

5. Scheduling meetings and updating spreadsheets assigning resources to tasks.

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7 0
4 years ago
Find the vertex of f(x) = 3(x-7)(x+5)
Inessa05 [86]

Answer:

The vertex is at (1, -108).

Step-by-step explanation:

We have the function:

f(x)=3(x-7)(x+5)

And we want to find its vertex point.

Note that this is in factored form. Hence, our roots/zeros are <em>x</em> = 7 and <em>x</em> = -5.

Since a parabola is symmetric along its vertex, the <em>x-</em>coordinate of the vertex is halfway between the two zeros. Hence:

\displaystyle x=\frac{7+(-5)}{2}=\frac{2}{2}=1

To find the <em>y-</em>coordinate, substitute this back into the function. Hence:

f(1)=3((1)-7)((1)+5)=3(-6)(6)=-108

Therefore, our vertex is at (1, -108).

4 0
3 years ago
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Assume that z scores are normally distributed with a mean of 0 and a standard deviation of 1. if p(z &gt;
madreJ [45]
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hence the value of c will be:
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thus
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c=1.23
8 0
4 years ago
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