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natta225 [31]
3 years ago
12

Solve this system of equations:

Mathematics
1 answer:
kobusy [5.1K]3 years ago
8 0
X=2, y=3
I believe the answer is D..
Hope this helps! :)
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Hey guys I need help on maths. ​
Pepsi [2]

Answer:

x=122°

Step-by-step explanation:

sum of all interior angles in a quadrilateral = 360°

then ,

119+105+78+m = 360

m = 58

....

m+ x = 180 ( linear pair)

58+x = 180

x = 122

4 0
3 years ago
Help!<br><br> <img src="https://tex.z-dn.net/?f=%5Csf%20%5Csqrt%7Bx-2%7D-x%3D-2" id="TexFormula1" title="\sf \sqrt{x-2}-x=-2" al
Gennadij [26K]

▪▪▪▪▪▪▪▪▪▪▪▪▪  {\huge\mathfrak{Answer}}▪▪▪▪▪▪▪▪▪▪▪▪▪▪

Let's solve for x :

  • \sqrt{x - 2}  - x =  - 2

  • \sqrt{x - 2}  = x - 2

  • 1 =  \dfrac{x - 2}{ \sqrt{x - 2} }

  • 1 =  \sqrt{x - 2}

  • x - 2 = 1

  • x = 3
4 0
3 years ago
Find the whole. 10% of is 14.
Aleonysh [2.5K]
140 is the answer! hope it helped

3 0
3 years ago
Read 2 more answers
PLEASE ANSWER QUICKLY
Rudiy27

Answer:

3

Step-by-step explanation:

f(x) = 3x² - 2x + 1

f(x) = ax² + bx + c

a = 3

7 0
2 years ago
Which line is parallel to the line<br> shown below?
Travka [436]
<h3>Answer:  Choice D</h3>

4x - 3y = 15

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

Explanation:

The two points (-1,-1) and (2,3) are marked on the line

Let's find the slope of the line through those two points.

(x_1,y_1) = (-1,-1) \text{ and } (x_2,y_2)  = (2,3)\\\\m = \frac{y_{2} - y_{1}}{x_{2} - x_{1}}\\\\m = \frac{3 - (-1)}{2 - (-1)}\\\\m = \frac{3 + 1}{2 + 1}\\\\m = \frac{4}{3}\\\\

The slope is 4/3 meaning we go up 4 and to the right 3.

-------------

Parallel lines have equal slopes, but different y intercepts. We'll need to see which of the four answer choices have a slope of 4/3.

Solve the equation in choice A for y. The goal is to get it into y = mx+b form so we can determine the slope m.

3x + 4y = -4\\\\4y = -3x-4\\\\y = -\frac{3}{4}x-\frac{4}{4}\\\\y = -\frac{3}{4}x-1

Equation A has a slope of -3/4 and not 4/3 like we want.

Therefore, this answer choice is crossed off the list.

Follow similar steps for choices B through D. I'll show the slopes of each so you can check your work.

  • slope of equation B is 3/4
  • slope of equation C is -4/3
  • slope of equation D is 4/3

We have a match with equation D. Therefore, the equation 4x-3y = 15 is parallel to the given line shown in the graph.

You can use graphing tools like Desmos or GeoGebra to confirm the answer.

4 0
1 year ago
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