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3 years ago

Which point on the coordinate plane is at (3,1)?

Mathematics

1 answer:

Troyanec [42]3 years ago

6 0

Answer:

Step-by-step explanation:

(3,1)

we will move 3 steps at the x axis

and 1 at the y axis

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3. The dance club at school has 22 members. The dance coach wants to send four members to a special training on

diamong [38]

Answer:

a) a combination

b) The probability = 1 ÷ [ Number of ways to select the four dancers ]

Step-by-step explanation:

a) Here it is only required to calculate the number of ways to select the four dancers and the order of the dancers is not required i.e not important for us.

Hence, we will use a combination to select 4 out of 22 dancers

i.e ²²C₄

b) Since the dancers selected are 4 predetermined individuals

therefore,

number of ways to select selecting dancers Laura, Matthew, Lakiesha, and Santos will be '1'

Hence,

The probability = 1 ÷ [ Number of ways to select the four dancers ]

= 1 ÷ ²²C₄

8 0

3 years ago

A group of 40 students from your school is part of the audience for a tv game show. The total number of people in the audience i

jenyasd209 [6]

18.75% chance they will be picked

3 0

4 years ago

Read 2 more answers

During the 2015-16 NBA season, J.J. Redick of the Los Angeles Clippers had a free throw shooting percentage of 0.901 . Assume th

ser-zykov [4K]

Answer: 0.5898

Step-by-step explanation:

Given : J.J. Redick of the Los Angeles Clippers had a free throw shooting percentage of 0.901 .

We assume that,

The probability that .J. Redick makes any given free throw =0.901 (1)

Free throws are independent.

So it is a binomial distribution .

Using binomial probability formula, the probability of getting success in x trials :

$P(X=x)^nC_xp^x(1-p)^{n-x}$

, where n= total trials

p= probability of getting in each trial.

Let x be binomial variable that represents the number of a=makes.

n= 14

p= 0.901 (from (1))

The probability that he makes at least 13 of them will be :-

$P(x\geq13)=P(x=13)+P(x=14)$

$=^{14}C_{13}(0.901)^{13}(1-0.901)^1+^{14}C_{14}(0.901)^{14}(1-0.901)^0\\\\=(14)(0.901)^{13}(0.099)+(1)(0.901)^{14}\ \ [\because\ ^nC_n=1\ \&\ ^nC_{n-1}=n ]\\\\\approx0.3574+0.2324=0.5898$

∴ The required probability = 0.5898

5 0

3 years ago

Which of the following is a composite number between 40 and 50?

Agata [3.3K]

The answer is 42 because 42 times 1 equals 42, 2 times 21 equals 42 and 3 times 14 equals 42.

7 0

4 years ago

Read 2 more answers

Write the equation of the line that passes through the points (8, –1) and (2, –5) in standard form, given that the point-slope f

Shkiper50 [21]

The standard form is pretty much the variables on the left-hand-side and the constant alone by herself on the right-hand-side, with only positive integers on the x-variable and an integers all around.

$\bf y+1=\cfrac{1}{2}(x-8)\implies y+1=\cfrac{1}{2}x-4\implies y=\cfrac{1}{2}x-5
\\\\\\
-\cfrac{1}{2}x+y=-5\implies \stackrel{\textit{multiplying both sides by -1}}{\cfrac{1}{2}x-y=5}
\\\\\\
\stackrel{\textit{and multiplying both sides by the LCD 2}}{x-2y=10}\impliedby standard~form$

3 0

4 years ago