Which point is located at (4, -2)?y
5
ТА
4
3
2+
1
2 3
Х
-5 -4 -3 -2 -11
-2
4 5
B
-4
D
b

Answers

Answer 1

Answer:

Answer:

Point B of 4the quertant

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HELP ME PLEASE! I am not good at math

Answers

First you subtract 1/3 from both sides, that leaves you with 5/12, then you multiply the reciprocal of 1/2 by both sides, which is 2, which gives you 5/6. Therefore, K>5/6

HELP ASAP
please answer the question below its a screenshot

Answers

The answer is the first one

Which term is a measure of the reliability of a research study

Answers

Answer:

Step-by-step explanation:

Reliability in research. Reliability, like validity, is a way of assessing the quality of the measurement procedure used to collect data in a dissertation. In order for the results from a study to be considered valid, the measurement procedure must first be reliable.

What two numbers add to 4 and when multiplied together equal 5

Answers

Answer:

$\large\text{no real solution}\n\n\text{complex solution}$

$\large\boxed{x=2+i\ and\ y=2-i\ or\ x=2-i\ and\ y=2+i}$

Step-by-step explanation:

$x,\ y-\text{the numbers}\n\nx+y=4\nxy=5\n\nx+y=4\qquad\text{subtract y from both sides}\nx=4-y\n\n\text{substitute it to the second equation}\n\n(4-y)y=5\qquad\text{use distributive property}\n\n4y-y^2=5\n\n-y^2+4y=5\qquad\text{change the signs}\n\ny^2-4y=-5\n\ny^2-2(y)(2)=-5\qquad\text{add}\ 2^2\ \text{to both sides}\n\ny^2-2(y)(2)+2^2=-5+2^2\qquad\text{use}\ (a-b)^2=a^2-2ab+b^2\n\n(y-2)^2=-5+4\n\n(y-2)^2=-1<0\to\boxed{no\ real\ solution}$

$\text{If you need the complex solution, then}\n\n(y-2)^2=-1\to y-2=\pm√(-1)\n\ny-2=-i\ \vee\ y-2=i\qquad\text{add 2 to both sides}\n\n\boxed{y=2-i\ \vee\ y=2+i}\n\n\text{Put the values of y to the first equation:}\n\nx=4-(2-i)\ \vee\ x=4-(2+i)\n\nx=4-2+i\ \vee\ x=4-2-i\n\n\boxed{x=2+i\ \vee\ x=2-i}$

suppose you have a 1/10 chance of winning with a scratch off lottery ticket if you buy 5 tickets what is the probability of winning with all five

Answers

What is probability ?

Probability shows possibility to happen an event, it defines that an event will occur or not. The probability varies from 0 to 1.

Let us assume that, A be the event of winning the lottery.

The probability of winning is,

P(A) = 1/10

Since, 5 tickets are bought,

The probability of winning all five can be given by formula $^nc_rp^r.q^(n-r)$

According to the given condition,

n=5 and r=5

Probability = $^5C_5(1/10)^5$ = (1/10)⁵

Therefore, the probability of winning all five = (1/10)⁵

To know more about Probability on:

brainly.com/question/12478394

#SPJ2

Answer:

$10^(-5)$

Step-by-step explanation:

Let us assume that, A be the event of winning the lottery.

The probability of winning is,

$P(A)=(1)/(10)$

You bought 5 tickets. Winning all the five lotteries will be,

$P(\text{A and }\text{A and }\text{A and }\text{A and }\text{A})=P(A)\cdot P(A)\cdot P(A)\cdot P(A)\cdot P(A)\n\n=(1)/(10)\cdot (1)/(10)\cdot(1)/(10)\cdot(1)/(10)\cdot(1)/(10)=(1)/(10^(5))=10^(-5)$