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3 years ago

12

X+1/5-3(x-1)/10=2 what is x

1 answer:

Nutka1998 [239]3 years ago

4 0

Answer:

- 4/5

Hope it helps!

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The coordinates of the vertices of parallelogram RMBS are R(–4, 5), M(1, 4), B(2, –1), and S(–3, 0). Using the diagonals, prove

REY [17]

To prove a rhombus you need to show that the sides are congruent and the diagonals are perpendicular.

Sides:

$d_{RM}=\sqrt{(-4-1)^2+(5-4)^2}$

$=\sqrt{(-5)^2+(1)^2}$

$=\sqrt{25+1}$

$=\sqrt{26}$

$d_{MB}=\sqrt{(1-2)^2+(4+1)^2}$

$=\sqrt{(-1)^2+(15)^2}$

$=\sqrt{1+25}$

$=\sqrt{26}$

$d_{BS}=\sqrt{(2+3)^2+(-1-0)^2}$

$=\sqrt{(5)^2+(-1)^2}$

$=\sqrt{25+1}$

$=\sqrt{26}$

$d_{SR}=\sqrt{(-3+4)^2+(0-5)^2}$

$=\sqrt{(1)^2+(-5)^2}$

$=\sqrt{1+25}$

$=\sqrt{26}$

$\overline{RM}$ ≅ $\overline{MB}$ ≅ $\overline{BS}$ ≅ $\overline{SR}$

Diagonals:

Use the slope formula: $m=\dfrac{y_2-y_1}{x_2-x_1}$

$m_{RB}=\dfrac{5+1}{-4-2}$

$=\dfrac{6}{-6}$

= -1

$m_{MS}=\dfrac{4-0}{1+3}$

$=\dfrac{4}{4}$

= 1

Slopes are opposite reciprocals so they are perpendicular.

***************************************************************************

All of the sides are congruent and the diagonals are perpendicular so RMBS is a rhombus.

4 0

4 years ago

4+1.50r. What is the slope of the function.. what does this represent?

Bond [772]

1.5 is the slope of the function

3 0

3 years ago

What is the answer to this<br> 3x−y=7<br> −4x+6y=0

pantera1 [17]

Answer:

-7, -0

Step-by-step explanation:

5 0

3 years ago

Two of the angles are listed. Find the measure of the third angle in each triangle.

torisob [31]

Attached the solution and work. The x,y,n are just variables I put in so you could see how I solved for the missing angle.

3 0

3 years ago

<img src="https://tex.z-dn.net/?f=599.966%20to%204%20significant%20fugurs" id="TexFormula1" title="599.966 to 4 significant fugu

Katarina [22]

Step-by-step explanation:

Significant figures mean all none zero digits so 599.966 to 4 significant figures would be = 600.

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3 years ago