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marshall27 [118]

3 years ago

11

Where is the point (2,-6) located in the coordinate plane? A. In quadrant 1 B. On the y-axis C. In quadrant III D. In quadrant I

V

1 answer:

ruslelena [56]3 years ago

5 0

Answer:

D. Quadrant IV

On the coordinate plane, you would go to the right two points, and then down 6, leading to quadrant IV

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A sweater that had 40% discount and I saved 20 dollars, what was the price of the sweater

ioda

Answer:

200

Step-by-step explanation:

200-40% = 180

if we were to have 100-40% it would be 60 but since it's 200 it is now less of a % reduced

7 0

3 years ago

Work out the unknown angles. Give reasons for each answer.

zalisa [80]

A)

Because the sum of angles in a triangle must equal 180° we can say:

62+α+90=180

α+152=180

α=28°

b)

Since all sides have equal length, all angles must have equal measure. (This is an equilateral triangle). And again, because the sum of the angle must be 180° we can say:

b+b+b=180

3b=180

b=60°

8 0

3 years ago

5.3.4 Journal: Two-Variable Systems Elimination <br><br> I need urgent help

max2010maxim [7]

Answer:

1) X stands for individual acts and y, group acts. 2) Each scenario describes a different period in minutes, but each one respecting their different amounts (individual and group acts). 3) $S=\left \{ 5,10 \right \}$

Step-by-step explanation:

Completing with what was found:

<em> 1) Here is a summary of the scenario your classmate presented for the talent show:Main show The main show will last two hours and will include twelve individual acts and six group acts.Final show The final show will last 30 minutes and will include the top four individual acts and the top group act.The equations he came up with are: 12x+ 6y= 120, 4x+ y= 30</em>

1. What do x and y represent in this situation?

X stands for individual acts and y, group acts.

Besides that, In the system of equation, they represent the time for x, and the time for y.

2. Do you agree that your classmate set up the equations correctly? Explain why or why not.

Yes, that's right. Each scenario describes a different period in minutes, but each one respecting their different amounts (individual and group acts). Either for 120 minutes or 30 minutes length. And their sum totalizing the whole period.

3. Solving the system by Elimination

$\left\{\begin{matrix}12x+ 6y= 120\\ 4x+ y= 30\end{matrix}\right.\\\left\{\begin{matrix}12x+ 6y= 120\\ 4x+ y= 30\:*(-3)\end{matrix}\right.\\\left\{\begin{matrix}12x+ 6y= 120\\ -12x+ -3y= -90\end{matrix}\right.\\3y=30\Rightarrow y=10\\4x+(10)=30\Rightarrow 4x=20\Rightarrow x=5\\S=\left \{ 5,10 \right \}$

8 0

3 years ago

Determine the amount you need to invest to have $22,000 dollars in 4 years if you invest at 5% annual interest, compounded quart

zvonat [6]

Answer:

Step-by-step explanation:

Метод

сложных процентов:

S = 100 (1+

0,10/2)^2*2 = 100*1,2155

= 121,55

ΔР = 121,55

– 100 = 21,55 тыс. руб.

6 0

3 years ago

Evaluate -3- (-4) - (-2) + 1.

Shtirlitz [24]

Answer:

4

Step-by-step explanation:

-3+4+2+1=4

8 0

3 years ago