Answer:
Jessica spent 10 months in Spain and 8 months in Colombia.
Step-by-step explanation:
Let x be the number of months Jessica lived in Spain, then she lived 18 - x months in Colombia.
She learned an average of 160 words per month when she lived in Spain, so she learned 160x words in Spain.
She learned an average of 200 words per month when she lived in Colombia, so she learned 200(18-x) words in Colombia.
In total, she learned a total of 3,200 new words, thus
Jessica spent 10 months in Spain and 8 months in Colombia.
Answer:
90°
Step-by-step explanation:
Theres a right angke beside x
And Angles on a straight line = 180 so 180-90°= 90°
1. Regina is 5 years older than her dog, and the sum of their ages is 19 years. If a represents Regina’s age, in years, then the equation (a - 5) + a = 19 can be used to solve for the ages. Use the equation to determine how old Regina is.
Answer: C) 14
2. Renting a petting zoo for a birthday party costs $50 per hour plus a $10 set up fee. The total cost was $210. Which equation should be solved to determine the number of hours?
Answer: A) 50h + 10 = 210
Hope This Helps :)
1/4 y = 13
y = 13 x 4
y = 52
answer is C. 52