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lys-0071 [83]
4 years ago
14

A system of equations is shown below: x + y = 3 2x − y = 6 The x-coordinate of the solution to this system of equations is _____

. (4 points)

Mathematics
2 answers:
VMariaS [17]4 years ago
5 0

Answer:

x=3

Step-by-step explanation:

x+y=3

2x-y=6

-----------

y=2x-6

x+(2x-6)=3

3x-6=3

3x=3+6

3x=9

x=9/3

x=3

Inessa [10]4 years ago
3 0

Answer: x=3

Hope that helped

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I’m confused on this one
GenaCL600 [577]

The slope of CD is

m = \dfrac{6 - -4}{2 - 0} = 5

The slope of the perpendicular bisector is the negative reciprocal,

n = -1/m = - \dfrac 1 5

The perpendicular bisector passes through M, the midpoint of CD

M =( (0+2)/2, (-4 + 6)/2) = (1, -1)

So point slope form for the perpendicular bisector is

y - -1 = - \frac 1 5(x - 1)

Solving for y gives slope intercept form.

y = - \frac 1 5 x - \frac 4 5

Not sure how to type that without spaces; we didn't have online homework back then.

Answer: y=(-1/5)x-4/5

3 0
4 years ago
HELP ME PLEASE!!!!
navik [9.2K]
24=4\cdot6\\96=16\cdot6\\\\2\sqrt6-4\sqrt{24}+\sqrt{96}=2\sqrt6-4\sqrt{4\cdot6}+\sqrt{16\cdot6}\\\\=2\sqrt6-4\cdot\sqrt4\cdot\sqrt6+\sqrt{16}\cdot\sqrt6=2\sqrt6-4\cdot2\cdot\sqrt6+4\cdot\sqrt6\\\\=2\sqrt6-8\sqrt6+4\sqrt6=(2-8+4)\sqrt6=-2\sqrt6\\\\\text{Answer:}\ -2\sqrt6\\\\\text{Used:}\ \sqrt{a\cdot b}=\sqrt{a}\cdot\sqrt{b}
5 0
4 years ago
Well, so here is some free brainiest !!!!!!
Yanka [14]
Thank youu..........
4 0
3 years ago
Read 2 more answers
Marco located the falllow points on a number line which point is not corrtly placed on the number line
mario62 [17]

Question:

Marco plotted the following points on the number line.

Point A: 0.3 Point B:  3/4 Point C: 11/4 Point D: 0.7

Which point did he plot incorrectly?

Answer:

Point D

Step-by-step explanation:

Given

Point\ A= 0.3

Point\ B= \frac{3}{4}

Point\ C= \frac{11}{4}

Point\ D= 0.7

Required

The incorrectly plotted point

Number plotted on a number line increases from left to right. This implies that:

A < B < C < D

Substitute the values for the given points

0.3 < \frac{3}{4} < \frac{11}{4} < 0.7

Express as fractions

0.3 < 0.75 < 2.75 < 0.7

Up till 2.75, the order of the numbers is correct.

However, 0.7 is less than 0.75 and 2.75

So, 0.7 is not placed correctly.

<em>This implies that point D is not correctly placed</em>

7 0
3 years ago
Helpppppp !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Ann [662]

Answer:

h=5

Step-by-step explanation:

18x2 = 36

36/6 = 6

6 = h+1

h=5

Check:

5+1 = 6

6x6 = 36

36/2 = 18

8 0
3 years ago
Read 2 more answers
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