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stich3 [128]
3 years ago
5

There are 21 students in an MA 206 class at FCC. How many ways are there to select 5 students for a group project

Mathematics
1 answer:
Nuetrik [128]3 years ago
7 0

Answer:

There are 21 students in an MA 206 class at FCC. How many ways are there to select 5 students for a group project

Step-by-step explanation:

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Step-by-step explanation:

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What is the least common multiple<br> 8 and 12?
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24

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The landing for the steps leading up to a county courthouse is shaped like a trapezoid. The area of the landing is 1500 square f
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Answer:

The length of the longer base is 80 feet.

Step-by-step explanation:

We are given that county courthouse is shaped like a trapezoid.

Let the height of the court house be h

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So, the shorter base = h+15

We are also given that The longer base is 5 feet longer than 3 times the height

So, longer Base = 3h+5

Now we are also given that the area of the landing is 1500 square feet.

Formula of area of trapezium :

=\frac{1}{2} *(\text{Length of longer base}+\text{Length of shorter base})*height

Substituting the values .

1500=\frac{1}{2} *(h+15+3h+5)*h

1500=\frac{1}{2} *(4h+20)*h

1500*2=(4h+20)*h

3000=4h^2+20h

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750=h^2+5h

h^2+5h-750=0

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h(h-25)+30(h-25)=0

(h-25)(h+30)=0

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Neglect the negative value .

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Hence , the length of the longer base is 80 feet.

6 0
3 years ago
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