Answer:
x=1 and x=2
Step-by-step explanation:
Measure of ∠RST is 49°
Solution:
The image of the question is attached below.
In the given image ∠SRT = 79° and ext∠T = 128°.
∠R and ∠S are opposite interior angles of exterior angle T.
To find the measure of ∠RST.
<u>Exterior angle property:</u>
An exterior angle is equal to the sum of the two opposite interior angles.
⇒ ∠RST + ∠SRT = ∠T
⇒ ∠RST + 79° = 128°
⇒ ∠RST = 128° – 79°
⇒ ∠RST = 49°
Hence the measure of ∠RST is 49°.
3x ^2 - 4x - 9 = 0
3x ^ 2 - 4x = 9
X( 3x - 4) = 9
X = 9
3x - 4 = 9
3x - 4 + 4 = 9 + 4
3x = 13
3x/3 = 13/3
X = 13/3.
Answer:
x = ± i 
Step-by-step explanation:
Given
3x² + 6 = 0 ( subtract 6 from both sides )
3x² = - 6 ( divide both sides by 3 )
x² = - 2 ( take the square root of both sides )
x = ± 
= ± 
= ± (
×
) →
= i
= ± i 
Constant. more ... A fixed value. In Algebra, a constant is a number on its own, or sometimes a letter such as a, b or c to stand for a fixed number. Example: in "x + 5 = 9", 5 and 9 are constants.