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Stella [2.4K]
3 years ago
14

PLEASE HELP ME

Mathematics
1 answer:
kvasek [131]3 years ago
5 0

Answer:

28

Step-by-step explanation:

The binomial coefficient is calculated as:

nCx=\frac{n!}{x!(n-x)!}

It means that there are nCx ways to select x elements from a group of n elements.

So, If the researcher wants to determine the probability that 6 out of the next 8 individuals in his community are in favor of the president, we can replace n by 8 and x by 6 and calculated the binomial coefficient as:

8C6=\frac{8!}{6!(8-6)!}=28

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Jordan's check at a restaurant was $60. She left the waiter a $12 tip. What percent is the tip of the total amount?
Finger [1]
\frac{12}{60} is 0.2, so the answer is 20%
7 0
3 years ago
How do i solve 3(d-8)-5=9(d+2)+1
gavmur [86]
D=-8
3(-8-8)-5 3(-16)-5=-48-5=-53
9(-8+2)+1=9(-6)+1=-54+1=-53
4 0
3 years ago
Read 2 more answers
X-20 = y+20<br>2Y - 44 = X + 22<br>​
nordsb [41]

X-20 = Y+20........    X-Y = 20+20........

X-Y = 40

AND

2Y-44=X+22.............   Y-X= 44+22

Y-X=66

NOW, LET'S FIND X AND Y FROM THESE TWO EQUATIONS....

X-Y =40

Y-X= 66

IF WE COLLECT .......     2Y = 106 AND Y = 53

THEN, USE Y IN ANY EQUATIONS FOR FINDING X

X-53 = 40 ..... X= 53+40 .......... X= 93

X= 93

Y=53

8 0
3 years ago
Suppose Cotangent (theta) = StartFraction 5 Over 12 EndFraction, where Pi less-than theta less-than StartFraction 3 pi Over 2 En
Agata [3.3K]

Answer:

Sin theta = 12/13

Step-by-step explanation:

From the question;

Cot theta = 5/12

Kindly recall;

Cot theta = 1/ tan theta

Hence, tan theta = 12/5

Mathematically

tan theta= opposite/adjacent

to get hypotenuse, we will use Pythagoras’ theorem which states that the square of the hypotenuse equals sum of the squares of the two other sides

let hypotenuse be h

h^2 = 12^2 + 5^2

h^2 = 144 + 25

h^2 = 169

h = √169

h = 13

But sine theta = opposite/ hypotenuse = 12/13

5 0
3 years ago
HELPPPP MEE PLEASEEE!!
ankoles [38]

Answer:

6 , 1

5 , 2

4 , 3

Step-by-step explanation:

Just swap the numbers.

7 0
3 years ago
Read 2 more answers
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