one interior angle = 30° <==== this one is given
second interior angle = 180 - 40 = 140° <=== interior angle + exterior angle = 180
third interior angle = 180 - 30 - 140 = 10° <=== angles in a triangle = 180
Im pretty sure the answer is 2.42$
Answer:
2x² - 7x - 2
Step-by-step explanation:
We require to calculate the difference
2x² - 11 - (7x - 9) ← distribute parenthesis by - 1
= 2x² - 11 - 7x + 9 ← collect like terms
= 2x² - 7x - 2
Answer:
12 feet
Step-by-step explanation:
Answer:
divide fifty out of one hundred times thirty. so x equals to fifteen hours