80 since he starts off with 38 stamps then gains 6 each month for 7 months (6x7=42) so 42+38=80
To find the answer of the first one, plug in numbers for x, and see if they make the inequality true. Like, 5, 6, and 7.
For the second one, add 13 to both sides. The answer is 21.
Answer: Direct proportion because as the time goes up the distance goes up
Answer:
Q = 23
Step-by-step explanation:
Complementary angles add to 90 degrees
67+Q =90
Subtract 67 from each side
67+Q -67 = 90-67
Q = 23
Answer:
Answer: It can be written as 1.47x10-³
Step-by-step explanation:
0.00147 = 1.47
1.47 = 1.47 x 10 -^3