Question

Use the table of data from an investigation to answer the question
MASS OF BALL TIME TO HIT GROUND
10 1.02
15 1.01
26 1.62
A student is investigating gravity and falling objects. She drops three balls and times how long it takes each ball to hit the ground. What is the most likely source of error
A. She did not measure the circumference of the balls
B. She did not measure the mass after the balls hit the ground
C. She dropped the balls from diffrent heights
D. She uses balls that are different sizes

Answer 1

Which ordered pair is a solution of the equation y = –7x + 2? (1 point)
A (1, 2)
B (8, –54)
C ( 5, -35)
D (1, –7)

Answer 2

5 +m= 10

Answer 3

x3+y3+z3=k

Answer 4

What is the hardest math problem?
10 Hard Math Problems That May Never Be Solved
Today's mathematicians would probably agree that the Riemann Hypothesis is the most significant open problem in all of math. It's one of the seven Millennium Prize Problems, with $1 million reward for its solution

Answer 5

Which equation is an identity? (1 point)
A 11 – (2v + 3) = –2v – 8
B 5w + 8 – w = 6w – 2(w – 4)
C 7m – 2 = 8m + 4 – m
D 8y + 9 = 8y – 3

Answer 6

Ella and Margaret were at a carnival. They each got a ticket for the Ferris wheel. Ella got a snow cone, and Margaret got a cotton candy. Ella had a certificate for $6 off the cost. Margaret paid the rest, which came to $12.75. Each Ferris wheel ticket was $5, and a snow cone was $3.50. What was the cost for cotton candy?