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jaanne
09.07.2019 •
Mathematics
Pls 99 points ! what is -2x+6 is less than or equal to 2? interval notation pls
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Ответ:
-2x + 6 ≤ 2
Isolate the x. Do the opposite of PEMDAS. First, subtract 6 from both sides
-2x + 6 (-6) ≤ 2 (-6)
-2x ≤ 2 - 6
-2x ≤ -4
Next, divide -2 from both sides (Remember that when dividing a negative number, flip the sign)
-2x/-2 ≤ -4/-2
x ≥ 2
x ≥ 2 is your equation.
This means that x can be equal to, or greater than 2
You're interval Notation is: [2, ∞)
hope this helps
Note: In interval notation, you use a bracket for closed, and a parenthesis for open.
Ответ:
Step-by-step explanation:
Hey there!
The Pythagorean identity is: sin²(theta) + cos²(theta) = 1.
So, For finding sin (theta);
Take cos (theta) right side.
sin²(theta) = 1-cos²(theta)
Now, take square on right side from.
sin (theta) = √[1-cos²(theta)] {square changes into square root}
Therefore, sin (theta) = √[1-cos²(theta)].
Hope it helps!