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Annette [7]
3 years ago
7

Team X can set up chairs in the gym in 15 minutes and team Y can set up the chairs in 20 minutes. How much time would they take,

working together, to set up the same chairs?
Mathematics
1 answer:
abruzzese [7]3 years ago
3 0
Team X : 1min --> 1/15 chairs
Team Y : 1min --> 1/20 chairs
Team X&Y : 1min --> 1/15 + 1/20 = 7/60 chairs
X min --> 60/60 chairs
X= 60/7 min
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A video rental company offers a plan that includes a membership fee of $5 and charges $1 for every DVD borrowed. They also offer
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Answer:

for $5 plan if he rents 47 dvd it will pay 47% as one DVS cost 1 $ .

Step-by-step explanation:

3 0
2 years ago
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Triangle ABC has vertices A(–2, 3), B(0, 3), and C(–1, –1). Find the coordinates of the image after a reflection over the x-axis
azamat
Since it's a reflection over the x axis, the x coordinates will stay the same while the y coordinates will be opposite of what they are. 

After reflected: A'(-2,-3), B'(0,-3), C'(-1,1)
6 0
3 years ago
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A corporation must appoint a​ president, chief executive officer​ (CEO), chief operating officer​ (COO), and chief financial off
Travka [436]

Answer:

There are 524,560 ways that the committee can be​ appointed.

Step-by-step explanation:

There are 9 different positions, a president, 3 officers and five committee members.

So

P - O1 - O2 - O3 - C1 - C2 - C3 - C4 - C5

There are 17 candidates, any of them can be president. So P = 17.

All of the others can be an officers. So O1 = 16, O2 = 15(17 subtracted by the president and O1), O3 = 14.

The officers can be committee members, so, C1 = 16, C2 = 15, C3 = 14, C4 = 13, C5 = 12.

How many different ways can the committee be​ appointed?

This is the sequence C1...C5:

N = 16*15*14*13*12 = 524,560

There are 524,560 ways that the committee can be​ appointed.

6 0
3 years ago
The shape of the solution region for the system (picture) can be described as which of the following? Select all that apply.
grandymaker [24]
We have 
x>=-2
x<=6
y>=-1
y<=4

using a graph tool
see the attached figure

the solution is the figure of a rectangle <span>limited by points
</span>(-2,-1) (6,-1) (-2,4) (6,4)


the answer is 
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5 0
3 years ago
In an office, there are 75 women and 125 men .Find the ratio of
schepotkina [342]

Given:

In an office, there are 75 women and 125 men.

To find:

The ratio of the number of men to the number of women.

Solution:

We have,

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The ratio of the number of men to the number of women is:

\text{Required Ratio}=\dfrac{\text{Number of men}}{\text{Number of women}}

\text{Required Ratio}=\dfrac{125}{75}

\text{Required Ratio}=\dfrac{5}{3}

\text{Required Ratio}=5:3

Therefore, the ratio of the number of men to the number of women is 5:3.

4 0
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