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
13 answers
C. She dropped the balls from different heights
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)
A (1, 2)
B (8, –54)
C ( 5, -35)
D (1, –7)
C (5, -35)
5 +m= 10
m = 5
x3+y3+z3=k
This equation represents a cubic equation in three variables. Without any additional information, it is impossible to determine the ordered pair that would satisfy this equation.
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
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
The Riemann Hypothesis is considered one of the hardest math problems and is currently unsolved.
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
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
C 7m – 2 = 8m + 4 – m
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?
Let's break down the information given in the problem:
- Each Ferris wheel ticket costs $5.
- Ella had a certificate for $6 off the cost, so she only paid $5 - $6 = -$1 for her ticket.
- Margaret paid the rest, which was $12.75.
- A snow cone costs $3.50.
To find the cost of the cotton candy, we need to subtract the cost of Ella's snow cone and ticket from the amount Margaret paid.
Margaret paid $12.75, and Ella's snow cone and ticket cost $3.50 + (-$1) = $2.50.
Therefore, the cost of the cotton candy is $12.75 - $2.50 = $10.25.
- Each Ferris wheel ticket costs $5.
- Ella had a certificate for $6 off the cost, so she only paid $5 - $6 = -$1 for her ticket.
- Margaret paid the rest, which was $12.75.
- A snow cone costs $3.50.
To find the cost of the cotton candy, we need to subtract the cost of Ella's snow cone and ticket from the amount Margaret paid.
Margaret paid $12.75, and Ella's snow cone and ticket cost $3.50 + (-$1) = $2.50.
Therefore, the cost of the cotton candy is $12.75 - $2.50 = $10.25.