Distance between (3,-4) and (-2,5)

Answers

Answer 1

Answer:
26 minutes ago, I gave you a complete solution for the distance
between (-1, 2) and (7, 8). As I wrote it, I gave you a complete
explanation of every step, so that you would then know how to
find the distance between ANY two points.

Go back and review that one. Then use the same procedure to solve
this one. When you're finished, you'll have the solution to this one ...
completely on your own ... and plus, you'll LEARN something too.

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A jar contains 3 red marbles,7 blue, and 2 green.You take one marble without replacing it, and then another.What is the probability that you draw a green and a blue?

Answers

Answer:9/12

Step-by-step explanation:

Like the other person said, it would be 9/12 because there are 12 total marbles (3 red, 7 blue, 2 green) and the blue marble amount plus the green marble amount would be 9, so it would be a 9/12 chance!

choose the equation of the horizontal line that passes through the point (−2, −1) a. y = -1 b. y = - 2 c. x = -2 d. x = -1

Answers

$(-2;\fbox{-1})\n\n\boxed{y=-1}\to\fbox{a.}$

If Ryan walks 3/4 miles each 1/3 hour, how many miles will Ryan walk in one hour?this is urgent!!

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Answer: He will walk 2 1/4 miles in an hour

The value of the square root of 124 is between which two integers?A- between 5 and 6

B- between 6 and 7

C- between 13 and 14

D- between 11 and 12

Answers

The square root of 124 is 11.1355 the rounded is between 11 and 12. The correct option is D.

What is a square root?

The value of a number's power 1/2 is the number's square root. It is the number whose product by itself yields the original number, to put it another way.

Numbers (constants), variables, operations, functions, brackets, punctuation, and grouping can all be represented by mathematical symbols, which can also be used to indicate the logical syntax's order of operations and other features.

The square root of 124 will be calculated as:-

√124 = 11.1355

Therefore, the square root of 124 is 11.1355 the rounded is between 11 and 12. The correct option is D.

To know more about square roots follow

brainly.com/question/3617398

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the right answer is D the square root of 124 is 11.1355... rounded is between D .11 and 12

The function f has a domain of {1, 3, 5, 7} and a range of {2, 4, 6}.Could f be represented by {(1,2), (3,4), (5,6), (7,2)}?
Justify your answer.

Answers

Hello,
Yes:
every element of the domain has 0 ou 1 image: it is a function.(surjective)

Cos3x=4cos^3x-3cosx prove

Answers

$\bf cos(\alpha + \beta)= cos(\alpha)cos(\beta)- sin(\alpha)sin(\beta)\n\n\n\textit{also recall that }cos(2\theta)=\begin{cases}cos^2(\theta)-sin^2(\theta)\n1-2sin^2(\theta)\n\boxed{2cos^2(\theta)-1}\end{cases}\n\n\nand\qquad sin^2(\theta)+cos^2(\theta)=1\implies sin^2(\theta)=1-cos^2(\theta)\n\n-------------------------------$

$\bf cos(3x)=4cos^3(x)-3cos(x)\n\n-------------------------------\n\ncos(3x)\implies cos(2x+x)\implies cos(2x)cos(x)-sin(2x)sin(x)\n\n\n\[2cos^2(x)-1]cos(x)-[2sin(x)cos(x)]sin(x)\n\n\n2cos^3(x)-cos(x)~~~~-~~~~2sin^2(x)cos(x)\n\n\n2cos^3(x)-cos(x)~~~~-~~~~2[1-cos^2(x)]cos(x)\n\n\n2cos^3(x)-cos(x)~~~~-~~~~[2cos(x)-2cos^3(x)]\n\n\n2cos^3(x)-cos(x)~~~~-~~~~2cos(x)+2cos^3(x)\n\n\n4cos^3(x)-3cos(x)$

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