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2 years ago

The coefficient of the ab term is

Mathematics

1 answer:

Jlenok [28]2 years ago

5 0

Answer:

A coefficient is an integer that is written along with a variable or it is multiplied by the variable. For example, in the term 2x, 2 is the co-efficient.

Those variables which do not carry any number along with them, have a coefficient 1. For example, the term y has coefficient 1.

Step-by-step explanation:

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Gennadij [26K]

Answer:

176.71cm^2

Step-by-step explanation:

Area of a circle is pi*radius^2

your radius is given to you, which is 7.5

pi*7.5^2 in a calculator gives you 176.71

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2 years ago

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Nonamiya [84]

Answer:

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x<-2 is the 4th

Step-by-step explanation:

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1 year ago

Solve the system 5x+3y=-9 & -2+y=8

Illusion [34]

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3 years ago

What is 100% of 94 in a decimal

oee [108]

Answer:

Step-by-step explanation:

100 percent of something is always that number.

Hope this helps Buddy!

- Courtney

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2 years ago

On each round, Ann and Bob each simultaneously toss a fair coin. Let Xn be the number of heads tossed in the 2n flips which occu

CaHeK987 [17]

Answer:

$P=\frac{2n!}{m!*(2n-m)!}*0.5^{2n}$

Step-by-step explanation:

In a coin toss the probability of tossing a head is 0.5 (50% head/50% tails)

If n is the number of rounds and 2n the number of coins tossed (one for each player), the probability of having m heads tossed is:

$R=\frac{2n!}{m!*(2n-m)!}$

R is the number of cases (combination of coins tossed) that gives a m number of heads. Each case has a probability of $P_{case}=0.5^{2n}$ so:

$P=\frac{2n!}{m!*(2n-m)!}*0.5^{2n}$

<u>For example, to toss 4 heads in 5 rounds: </u>

n=5
2n=10
m=4

$P=\frac{10!}{4!*(10-4)!}*0.5^{10}$

$P=\frac{10*9*8*7*6!}{4!*6!}*0.5^{10}$

$P=\frac{10*9*8*7}{4!}*0.5^{10}$

$P=\frac{10*9*8*7}{4!}*0.5^{10}=0.205$

8 0

2 years ago