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velikii [3]
3 years ago
7

Lol i'm taking a test from everything i learned in middle school to nowwww . HELP & EXPLAIN

Mathematics
1 answer:
Yuliya22 [10]3 years ago
7 0
10+x=32. Hope it helps !
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Given that x=3sin​​θ-2 and y=3cos​​​θ+4.Show that (x+2)²+ (y-4)²=9​​​​​​
asambeis [7]

Answer:

First, plug-in x and y as 3sin​​θ-2 and 3cos​​​θ+4 into the equation, respectively:

((3\sin (\theta)-2)+2)^2 + ((3\cos (\theta)+4)-4)^2 = 9

Then, +2 and -2 cancel out and +4 and -4 cancel out as well, leaving you with:

(3\sin(\theta))^2+(3\cos(\theta))^2=9

We can factor out 3^2 = 9 from both equations:

9(\sin(\theta)^2+cos(\theta)^2) = 9

We know from a trigonometric identity that \sin(\theta)^2+cos(\theta)^2 = 1, meaning we can reduce the equation to:

9(1) = 9

9=9

And therefore, we have shown that (x+2)^2 + (y-4)^2 = 9, if x=3sin​​θ-2 and y=3cos​​​θ+4.

Hope this helped you.

7 0
3 years ago
Order these numbers from least to greatest. −3.12 , −3.2 , 8 , −5216
trapecia [35]
From the least to the greatest.

The one with the biggest size and has a negative sign is the least

-5216, -3.2, -3.12, 8
8 0
3 years ago
Suppose there are eight different management trainee positions to be assigned to eight employees in a company’s junior managemen
Alina [70]
8 positions x 8 employees = 64 different ways
8 0
3 years ago
Can anyone help?............
sertanlavr [38]

Answer:

52+46

Step-by-step explanation:

3 0
3 years ago
15600=x (x+1)(x+2) What is x?
Andrew [12]
The answer is x = 24
4 0
3 years ago
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