Answer:
164 people
Step-by-step explanation:
100% represents the 150 people who attended last year.
this year , there is an increase of 9% , which will make the total percentage to be 109%.
if ; 100% = 150 people
109% = ?
cross multiply to get 163.5 the round off to get 164
Answer:
23˚
Step-by-step explanation:
If x = 10, then angle VYZ = 157 by basic algebra. Knowing that VYZ and WYZ are supplementary angles, we can do 180-157 to find angle WYZ. 180-157 = 23˚
ANSWER
• (x+a)(x-a) = x² - a²
,
• (x+a)² = x² + 2ax + a²
,
• (x-a)² = x² - 2ax + a²
EXPLANATION
For the first product we can use the difference of two squares rule:
Then, for the other two we just have to apply the perfect square rule:
Theorems <span>are general propositions proved by a chain of deductive reasoning; a truth established by means of accepted truths.</span>