9 or -9 because if -9 is squared the negative cancels
Answer:
12n -5 ≤ 55
Step-by-step explanation:
12 times a number (represented by n) is 12n.
"Decreased by 5" means 5 is subtracted from the product, giving 12n-5.
"Is no more than 55" means "is less than or equal to 55".
Then the expression written using math symbols is ...
12n -5 ≤ 55
Answer:
The area of triangle is 
Step-by-step explanation:
Let
B -----> the measure of the vertex angle of the isosceles triangle ABC
a and c -----> the two congruent sides of the isosceles triangle ABC
we know that
The area of a triangle applying the law of sines is equal to

we have


substitute in the formula


X = 2 + √42,2- √42
decimal form: 8.480741, -4.480741
sorry if my answer isn't right
Answer:
10 and 40 I think maybe?
Step-by-step explanation:
I hope this is correct if not I am so so so so so so sorry