Question 5 of 10
2 Points
Which number sentence below matches this word problem?
Jay had to paint part of the outside of his house. He spent 7 hours painting
one side and 12 hours painting another. How long did it take him to paint
both sides?
O A. 84 = 7 = 12
O B. 12-7 = 5
O C. 7 +22 = 19
O D. 12 * 7 = 84
SUSM

Graph the system: f(x)= 3/x-2; f(x)= 1/2x + 2

Marco is studying a type of mold that grows at a fast rate. he created the function f(x) = 345(1.30)x to model the number of mold spores per week. what does the 1.30 represent? how many mold spores are there after 4 weeks? round your answer to the nearest whole number. 1.30 represents the number of mold spores marco had at the beginning of the study; 985 mold spores 1.30 represents the number of mold spores grown in a given week; 448 mold spores 1.30 represents the 30% rate of weekly growth; 345 mold spores 1.30 represents the 30% rate of weekly growth; 985 mold spores

Find the magnitude, correct to two decimal places, made by each of the following with positive direction of the x axis a) y= x the answer is 45° but i don’t know how