what is the solution of the system of liner equations -3x+4y=-18 2x-y=7

Answer:

A. Diagonal line

Answer:

i think itsssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

ssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

sssssssssssssssssssssssssssssss

hmmmmmm i dont know

Step-by-step explanation:

Answer:

Answer is 670000 If you can please give me brainliest

Answer:

"B"

Step-by-step explanation:

Answer:

slope = - 3

Step-by-step explanation:

[tex]slope, m = \frac{y_2 - y_1}{x_2 - x_ 1}[/tex]    ,    [tex][ \ (x_ 1 , y_ 1 ) = ( -3 , 3 ) , \ (x_2 , y _ 2 ) = ( - 5 , 9 ) \ ][/tex]

[tex]slope = \frac{9 - 3}{-4 - ( -3 )} = \frac{6}{-5 + 3} = \frac{6}{-2} = -3[/tex]

Answers:

=======================================

Explanation:

Answer:

1.2 km/min

Step-by-step explanation:

ROC? rate of change? if not rate of change than my answer may not be correct

24km/20min = 1.2 km/min

24km/20min * 60min/1 hr= (24*60)/20=120 km/hr

Answer:

y= -1x+7

or

y = -1x + b

Step-by-step explanation:

You want to find the equation for a line that passes through the two points:

(2,5) and (4,3).

First of all, remember what the equation of a line is:

y = mx+b

Where:

m is the slope, and

b is the y-intercept

First, let's find what m is, the slope of the line...

The slope of a line is a measure of how fast the line "goes up" or "goes down". A large slope means the line goes up or down really fast (a very steep line). Small slopes means the line isn't very steep. A slope of zero means the line has no steepness at all; it is perfectly horizontal.

For lines like these, the slope is always defined as "the change in y over the change in x" or, in equation form:

So what we need now are the two points you gave that the line passes through. Let's call the first point you gave, (2,5), point #1, so the x and y numbers given will be called x1 and y1. Or, x1=2 and y1=5.

Also, let's call the second point you gave, (4,3), point #2, so the x and y numbers here will be called x2 and y2. Or, x2=4 and y2=3.

Now, just plug the numbers into the formula for m above, like this:

m=

3 - 5

4 - 2

or...

m=

-2

2

or...

m=-1

So, we have the first piece to finding the equation of this line, and we can fill it into y=mx+b like this:

y=-1x+b

Now, what about b, the y-intercept?

To find b, think about what your (x,y) points mean:

(2,5). When x of the line is 2, y of the line must be 5.

(4,3). When x of the line is 4, y of the line must be 3.

Because you said the line passes through each one of these two points, right?

Now, look at our line's equation so far: y=-1x+b. b is what we want, the -1 is already set and x and y are just two "free variables" sitting there. We can plug anything we want in for x and y here, but we want the equation for the line that specfically passes through the two points (2,5) and (4,3).

So, why not plug in for x and y from one of our (x,y) points that we know the line passes through? This will allow us to solve for b for the particular line that passes through the two points you gave!.

You can use either (x,y) point you want..the answer will be the same:

(2,5). y=mx+b or 5=-1 × 2+b, or solving for b: b=5-(-1)(2). b=7.

(4,3). y=mx+b or 3=-1 × 4+b, or solving for b: b=3-(-1)(4). b=7.

See! In both cases we got the same value for b. And this completes our problem.

The equation of the line that passes through the points

(2,5) and (4,3)

is

y=-1x+7

Step-by-step explanation:

x-14y=0

x=0/14y

x=14y

14y

QUËSTIONS:- find the slope of the line represented by the data

ANSWER:-

[tex]SLOPE = \frac{y2 -y1}{x2 - x1} \\ SLOPE = \frac{3 - 9}{4 - 2} [/tex]

[tex]SLOPE = \frac{ - 6}{2} \\ SLOPE = - 3 \: \: ans[/tex]

Answer:

-3

Step-by-step explanation:

Slope(m)=-6/2

=-3/1

=-3

Hope this helps!

Answer:

The LCM of 306 and 657 is 22338

Step-by-step explanation:

We know that

HCF (a, b) × LCM (a, b) = a × b

⇒ HCF (306, 657) x LCM (306, 657) = 306 × 657

⇒ 9 × LCM = 306 × 657

⇒ LCM (306, 657) = 306 × 657 / 9

                              =  201042 / 9

∴ LCM = 22338

Thus, the LCM of 306 and 657 is 22338.

Step-by-step explanation:

the slope = (1-11)/(-1-4) = -10/(-5) = 2

the equation is : y -11 = 2(x-4)

=> y -11 = 2x -20

y = 2x -8 +11

y = 2x +3

other forms :

<=> 2x - y = -3

<=> 2x - y + 3 = 0

Answer:

The answer is E.

Step-by-step explanation:

A quadrilateral that has only one pair of parallel sides is called a Trapezoid.

Answer: no Jeremys time is not constraint

Step-by-step explanation: The amount of minutes to climb up 1 foot of height would take around 2 to 3 minutes, however if you divide 950 with 2 you will get 475 minutes to climb, if we also convert to 475 into hours that will be  7.92 hours . so overall he will climb extra 92 minutes  (i really hope this kinda helped)

Answer:

x = 30

Step-by-step explanation:

here 50 is hypotenuse as it is opposite of 90 degree.

x and x + 10 are the two other smaller sides of a right angled triangle respectively.

using pythagoras theorem,

a^2 + b^2 = c^2

x^2 + (x + 10)^2 = 50^2

x^2 + x^2 + 20x + 100 = 2500

2x^2 + 20x + 100 = 2500

2x^2 + 20x + 100 - 2500 = 0

2x^2 + 20x - 2400 = 0

2(x^2 + 10x - 1200) = 0

x^2 + 10x - 1200 = 0

x^2 + (40 - 30) - 1200 = 0

x^2 + 40x - 30x - 1200 = 0

x(x + 40) - 30(x + 40x) = 0

(x + 40)(x - 30) = 0

either x + 40 = 0          OR x - 30 = 0

x = 0 - 40

x = -40

x - 30 = 0

x = 30

x = -40,30

since the length and distance is not measured in negative ur answer will be 30

credit goes to sreedevi102

thank u very much . At first i was wrong and giannathecookie i m really sorry

Answer:

x = 30

Step-by-step explanation:

Using Pythagoras Theorem:

[tex]x^2 + ( x+ 10)^ 2 = 50^2\\\\x^2 + (x^2 + 100 + 20x ) = 2500\\\\x^2 + x^2 + 20x = 2500 - 100 \\\\2x^2 + 20x = 2400\\\\2x^2 + 20x - 2400 = 0\\\\2(x^2 + 10x - 1200) = 0\\\\x^2 + 10x - 1200 = 0\\\\x^2 + 40x - 30x - 1200 = 0\\\\x(x + 40 ) -30(x + 40) = 0\\\\(x+40)(x - 30) = 0\\\\x = -40, \ x = 30[/tex]

Since x is the measurement of a side, it can't be negative. Therefore x = 30

Answer:

B.226

Step-by-step explanation:

I HOPE ITS HELP PO

Answer:

24 units

Step-by-step explanation:

Look at the coordinate plane. First start with the bottom side (LN). The line goes from -3 to 9. This means that the line is 12 units long. Now, look at the other sides. MN goes from 3 to 9, therefore, the line is 6 units long. Lastly, look at ML— -3 to 3, therefore, the line is 6 units long. Add them all up, (12+6+6) and it equals 24 units.

24 units

////////////

Answer:

3/16

Step-by-step explanation:

simply multiply all 3 numbers

Answer:

The direction is 37 degree north of west.

Step-by-step explanation:

velocity of balloon, v = 15 mph upwards

velocity of wind, v' = 20 mph west wards

The direction is given by

[tex]tan\theta = \frac{15}{20}\\\\\theta = 37^o north of west[/tex]

Answer:

i think it would be y=x+3

Step-by-step explanation:

Please click on the above picture and view the full answer.

Step-by-step explanation:

Hope it helps you.^_^

Answer: 11 because it all works out.

Answer:

ksjsjsowjsnsoajjsodhew

Answer:

sinB = [tex]\frac{12}{13}[/tex]

Step-by-step explanation:

sinB = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{AC}{AB}[/tex] = [tex]\frac{12}{13}[/tex]

The Trigonometric ratios is 12/13

The branch of mathematics concerned with specific functions of angles and their application to calculations.

We have,

H= 13, B= 5 and P=12

So,

sin B= Perpendicular/ Hypotenuse

        = 12/13

hence, sin B=  12/13

Learn more about trigonometry here:

https://brainly.com/question/14746686

#SPJ2

Answer:

6,9,12

Step-by-step explanation:

A triangle cannot be considered a triangle unless the sum of the smaller two of the sides is greater than the larger side.

Answer:

(6, 9, 12)

Hope that this helps!