Weekly 10- ACT Practice #5

Front

What is the probability of selecting an extra piece from a jigsaw puzzle that includes 5 extra pieces in a box of 750 pieces?

Back

The probability is 5/755.

Front

How do you calculate a 6% increase on an hourly wage of $12.00?

Back

Multiply $12.00 by 0.06 to find the increase, then add it to $12.00. The new wage is $12.72.

Front

What is the difference between the mean and the median of the set {3, 8, 10, 15}?

Back

The difference is 0.

Front

If 1/2 inch on a map represents 18 miles, how many miles do 2.5 inches represent?

Back

2.5 inches represent 90 miles.

Front

What is the measure of Angle BAC if C is the intersection of lines AD and BE, and it can be determined?

Back

The measure of Angle BAC is 100 degrees.

Front

Define probability in the context of selecting items from a set.

Back

Probability is the measure of the likelihood that an event will occur, calculated as the number of favorable outcomes divided by the total number of possible outcomes.

Front

What is the formula to calculate a percentage increase?

Back

Percentage Increase = (New Value - Original Value) / Original Value * 100.

Front

How do you find the mean of a set of numbers?

Back

Add all the numbers together and divide by the count of numbers.

Front

What is the median of a set of numbers?

Back

The median is the middle value when the numbers are arranged in order. If there is an even number of values, it is the average of the two middle numbers.

Front

Explain the concept of scale in maps.

Back

Scale is the ratio of a distance on the map to the actual distance on the ground, indicating how much the real-world distances have been reduced.