MATHEMATICS HIGH SCHOOL

Nghiệm của phương trình sinx-cos2x=2

Answers

Answer 1

Answer:

Answer:

Ki lekso?

Step-by-step explanation:

Kisu bujina

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Can some one show me how to do this
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What is the distance between point A and point B to the nearest tenth?A. 6.0
B. 9.0
C. 4.2
D. 1.4

Answers

3^2+3^2=|AB|^2
18=|AB|^2
|AB|=4.2

Answer C.

Find the median of the data. A.
25

B.
27

C.
27.5

D.
30

Answers

Both A.25 and D.30 are the median

1.First you need to put the numbers in order

15,15,20,25,25,30,30,35,45

2.You then need to cross one off each side as you go down (As below)

15,20,25,25,30,35
20,25,25,30
25,30

3.After you take all the numbers off you stop when there are no numbers to take off from both ends

25,30

4.You are then left with these two median numbers so your answer is 25 and 30

I hope this explains it for you if you need any other information then please ask i wouldn't mind helping

Y=2x-1 Graph the equation? (steps please thanks!)

Answers

$y=2x-1\n\ny-intercept\ (x=0)\n\ny=2\cdot0-1=-1\to(0;-1)\n\nx-intercept\ (y=0)\n\n2x-1=0\n2x=1\nx=0.5\to(0.5;\ 0)$

There are many ways to graph this equation.
Here's one that you should be able to manage:

-- Pick any number at all for 'x'.
[ y = 2x - 1 ], so double your number and subtract 1 to find 'y'.
Mark a point on your graph at (x, y) .

-- Pick any different number at all for 'x'.
[ y = 2x - 1 ], so double your number and subtract 1 to find 'y'.
Mark a point on your graph at (x, y) .

-- Using your pencil and ruler, connect the two points that you have marked
on your graph. Without moving the ruler, you may extend the line as far as you
want in each direction.

Whats does slope mean

Answers

slope means rise over run method

Slope is the constant rate of something, which is calculated by rise/run.

Also, the formula for slope is $(y2 - y1)/(x2-x1)$

the selling price of a television in a store is $66 less than 3 times the wholesale price. If the selling price is $899, write the equation to find the wholesale price