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3 years ago

Macy has a circular garden that has a radius of 9 meters. What is the circumference of her garden? Use 3.14 for pi.

Mathematics

1 answer:

olga2289 [7]3 years ago

6 0

Answer:

Step-by-step explanation:

i am 99.99% sure it is c

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A committee must be formed with 5 teachers and 4 students. If there are 6 teachers to choose from, and 15 students, how many dif

ZanzabumX [31]

Answer:

8190 ways

Step-by-step explanation:

Given

$Teachers = 6$

$Students = 15$

Selection

$Students = 4$

$Teachers = 5$

Required

Number of ways of selection

4 students can be selected from 15 students in:

$Students= ^{15}C_4$

Similarly.

5 teachers can be selected from 6 teachers in:

$Teachers= ^{6}C_5$

So, the required number of selection is:

$Selection = ^{15}C_4 * ^6C_5$

Apply combination formula:

$Selection = \frac{15!}{(15-4)!4!} * \frac{6!}{(6-5)!5!}$

$Selection = \frac{15!}{11!4!} * \frac{6!}{1!5!}$

$Selection = \frac{15*14*13*12*11!}{11!*4*3*2*1} * \frac{6*5!}{1*5!}$

$Selection = \frac{15*14*13*12}{4*3*2*1} * \frac{6}{1}$

$Selection = \frac{32760}{24} * 6$

$Selection = 1365 * 6$

$Selection = 8190$

8 0

3 years ago

Helppp? if possible

Mice21 [21]

Answer:

x=9

Step-by-step explanation:

8x-14=2(2x+11)

8x-14=4x+22

4x=36

x=9

3 0

3 years ago

Read 2 more answers

Find ten rational numbers between -2/5 and 1/2

Karo-lina-s [1.5K]

Answer:

Step-by-step explanation:

-1/5

-1/7

-1/8

-1/9

-1/10

1/6

1/5

1/4

1/3

8 0

3 years ago

3. The product of 7/10 and another factor

kicyunya [14]

The correct answer is d 7/7

4 0

3 years ago

I don’t know how to set this up

kodGreya [7K]

Answer:

Step-by-step explanation:

Set it up as the following -

3:8 = x:24.

Now cross multiply - 3 * 24 = 8x

72 = 8x

Now divide both sides by 8.

9 = x

4 0

3 years ago