Answer:
This skill will come in handy when working with word problems or real life situations.
Rearrange to: x^2 + 18x - 25 = 0
Then factorise (I like to do it by completing the square):
(x + 9)^2 -81 -25 = 0
(x + 9)^2 = 106
x + 9 = sqrt(106)
The sol'ns are:
x = -9 + and - sqrt(106)
Answer:
y = 10/3x - 2/3
Step-by-step explanation:
10x-3y=2
-3y = -10x + 2
-3y/-3 = -10x/-3 + 2/-3
y = 10/3x - 2/3
Answer:
a) 18.8
b) 20
I hope this helps :) Let me know if it's right!
Answer:
∠ MLN = 21°
Step-by-step explanation:
See the attached diagram.
We are given that ∠ OLN = 31° and ∠ MLO = 52°.
So, the diagram is like that OL is the baseline of both the angles and two different lines one LM and the other LN are drawn from point L such that two angles will form and the measurement of ∠ OLM = 52° and ∠ OLN = 31°.
So, there will another angle form which is ∠ MLN which measures (52 - 31) = 21° (Answer)