Probability
A fair coin is rolled. What is the probability of landing on tails?
1/2
-10 + 10
0
(-25) x (3)
-75
3 + 4 x 5
23
A fair coin is rolled and a spinner with 4 equal sections is spun. The colors on the spinner are red, orange, yellow, and green. What is the probability of landing on heads and landing on yellow?
1/8
24 + (-10)
14
(-28)/(-7)
4
5 + 14 ÷ (-2) × 5
-30
You flip a nickel three times. Find the probability that all flips will land on tails.
1/8
-24 + (-10)
-34
What sign will each of the following answers have?
negative x negative
positive x positive
positive / negative
negative / positive
positive
positive
negative
negative
If I have addition and subtraction in my expression, I should move from ______ ___ _______.
left to right
A fair die is rolled and a spinner with 4 equal sections is spun. The colors on the spinner are red, orange, yellow, and green. What is the probability of landing on 5 and landing on yellow?
1/24
46-(-44)
90
A shoreline is changing -3 centimeters each year due to erosion. What is the change in the shoreline after 7 years?
-21 centimeters
The problem was 10÷5 x 2. My answer was 1. What did I do wrong, and what is the correct answer?
Multiplied first when should have divided first. Correct Answer: 4
The names of 24 students, of which 14 are boys and 10 are girls, in Mr. Civita's science class are written on cards and placed in a jar. Mr. Civita randomly selects two cards without replacing the first to determine which students will present their lab reports today. Find the probability of two girls being selected.
15/92
Madison's checking account had a balance of -$12. Then she wrote a check for $15. What is her balance now?
-$27
The temperature fell 36 degrees Fahrenheit in 9 hours. If the temperature fell at the same rate every hour, what is the total change in temperature each hour?
-4 degrees Fahrenheit
The problem was 20 - 5 x 2 + 3. My answer was 33. What did I do wrong, and what is the correct answer?
I did not multiply first. The answer should be 13.