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4 years ago

4 ft 5 Ft what is the area

Mathematics

2 answers:

iris [78.8K]4 years ago

8 0

20 feet
To get the area, you multiply the length times the width (in this case 4 times 5).

andrey2020 [161]4 years ago

8 0

Answer:

Step-by-step explanation:

4 x 5 = 20 ft²

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There are 6 students. 2 of them are chosen for the position of president and Vice President. How many ways do we have to choose

Nutka1998 [239]

We have 15 ways to chose 2 students for the position of president and Vice President

Solution:

Given that,

There are 6 students. 2 of them are chosen for the position of president and Vice President.

To find: number of ways we have to choose the students from the 6 students

So now we have 6 students, out of which we have to choose 2 students

As we just have to select the students. We can use combinations here.

In combinations, to pick "r" items from "n" items, there will be $^{\mathrm{n}} \mathrm{C}_{\mathrm{r}}$ ways

$^{\mathrm{n}} \mathrm{C}_{\mathrm{r}}=\frac{n !}{(n-r) ! r !}$

Then, here we have to pick 2 out of 6:

Total students = n = 6

students to be selected = r = 2

$\begin{aligned} 6 C_{2} &=\frac{6 !}{(6-2) ! 2 !} \\\\ 6 C_{2} &=\frac{6 !}{4 ! 2 !} \\\\ 6 C_{2} &=\frac{6 \times 5 \times 4 \times 3 \times 2 \times 1}{4 \times 3 \times 2 \times 1 \times 2 \times 1} \\\\ 6 C_{2} &=15 \end{aligned}$

Thus we have 15 ways to chose 2 students for the position of president and Vice President

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3 years ago

What is 0.1 one tenth of

Makovka662 [10]

One tenth is one decimal point to the right of a number. For example, one tenth of 2 is 0.2 This is the same as dividing by ten. 0.1 X 10 = 1. 0.1 is one tenth of 1.

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3 years ago

The population of a city grew from 43,209 to

QveST [7]

Answer:

5 percent or 5.7349percent

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3 years ago

The pumpkin patch is open day.if it sells 2,750 pounds of pumpkin each day, about how many pounds does it sell in 7 days?

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3 years ago

4 ft 5 Ft what is the area​

4 ft 5 Ft what is the area