MATHEMATICS HIGH SCHOOL

HELP HELP HURRY!!!!!Which point is located on ray PQ?

A. point M
B. point N
C. point O
D. point R

diagram shown below...

(((<--------M---------N---------O------P--------Q----------R--------S--------->)))

Answers

Answer 1

Answer:

Answer:

Point R located on ray PQ.

Step-by-step explanation:

Given : Diagram

To find : Which point is located on ray PQ.

Solution : We have given <--------M---------N---------O------P--------Q----------R--------S--------->.

Ray : A part of a line with a start point but no end point (it goes to infinity).

We can see from the diagram ray PQ start from P but it has no end point.

So , point R ans S located on ray PQ but we have option R

Therefore, D. point R located on ray PQ.

Answer 2

Answer: If the entire ray is PQ, then all of those points lie on the ray.

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the price of the printer was reduced from $400 to $180 . what was the percent decrease? amount of increase or decrease divided by amount of original multiplied by 100

Answers

400 - 180 = 220

220/400 = 0,55

0.55 x 100 = 55

So the percentage of decrease would be : 55 %

Hope this helps

Factorise 3(x+2)^2-10(x+2)+3

Answers

The answer is (x - 1)(3x + 5)

Let's substitute (x + 2) with a:
3(x + 2)² - 10(x + 2) + 3 = 3a² - 10a + 3 =
= 3a² - 9a - a + 3 =
= 3a * a - 3a *3 - (a - 3) =
= 3a(a - 3) - (a - 3) =
= (a - 3)(3a - 1)

Now, substitute a with x + 2:
(a - 3)(3a - 1) = (x + 2 - 3)(3(x + 2) - 1) =
= (x - 1)(3x + 6 - 1) =
= (x - 1)(3x + 5)

Solve for x. 10x^2=29x-21 does anyone know this

Answers

$10x^2=29x-21 \n 10x^2-29x+21=0\n \Delta=(-29)^2-4\cdot10\cdot21=841-840=1\n √(\Delta)=\sqrt1=1\n x_1=(-(-29)-1)/(2\cdot10)=(28)/(20)=(7)/(5)\n x_2=(-(-29)+1)/(2\cdot10)=(30)/(20)=(3)/(2)\n$

Which statement about scatter plots is true?Associated variables cannot be represented on scatter plots.

A regression line must pass through all the points on the scatter plot.

A regression line cannot help predict future values of variables.

Scatter plots can be used to represent quantitative data.

Answers

Answer:

On the Scatter Plot, the two variables associated with each other when represented in Quantitative form that is in the form of x-values and y-values, it can be drawn in two dimensional coordinate plane, Representation being a line.

1.The Line may pass through all the points , a single point or none of the points.

2. It can also predict the future values that is for given x , we can find y and for given y , we can find x.

So, only option (4) which is,Scatter plots can be used to represent quantitative data is true.

The answer is letter D.

2 + 2 + 6 / 9 ^2 + 600 + 2400 + 45 - 42

Answers

4 + 6/81 + 3000 + 3 = 3007 + 2/27 = 3007 + 0.07 = 3007.07;

Answer:

Step-by-step explanation:

3000.07

Dimitri determined that the ordered pair (2, –2) is a solution to the system of linear equations 7x + 9y = –4 and 5x – 2y = 6 as shown.He mixed up the coordinates of the ordered pair when substituting it into the equations 7x + 9y = –4 and 5x – 2y = 6.

He checked the equation 7x + 9y = –4 first when he should have checked first.

He made a mistake in his calculations when substituting the ordered pair into the equation 7x + 9y = –4 and simplifying.

He made a mistake in his calculations when substituting the ordered pair into the equation 5x – 2y = 6 and simplifying.