Ratios and Rates
What is the unit rate for a 15kg bag of rice that costs 120¥?
Your answers should be in ¥ per kg.
8¥ per kilogram
What are the fraction and decimal equivalents to 40%?
2/5, 0.4
What is the measure of the supplement to an angle that is 77 degrees?
103 degrees
Solve the following equation: a - 7 = -21
a = -14
At a carnival, 8 tickets cost $6. How much does 44 tickets cost?
$33
What is 11/14 + 2/7?
As a mixed number
1 1/14
What is the most specific name for a chord that stretches from one side of circle to the other and passes through the center of the circle?
diameter
Write the following phrase as an algebraic expression: two less than 6 times a number
Use x as the variable.
6x-2
The temperature at 3:00 PM was 20 degrees Celsius. The temperature had dropped to 12 degrees by 8:00 PM. What was the rate of the temperature change in degrees per hour?
1.6 degrees per hour
Which of the following is the largest value: 2/3, 0.67 or 64%?
0.67
PICTURE needed
What is the measure of angle x in the diagram?
139 degrees
25 = 4m
Find m
m=8
In the proportion, 6/10 = 21/k what is k?
35
Use exponents in your answer!
360 = 23 x 32 x 5
The radius of the circle is 3 inches. What is the area of the circle estimating pi as 3.14?
28.26 inches2
What is the least common multiple of 14 and 21?
42
If 7 out of every 9 people who get the corona virus only experience mild symptoms, about how many people would experience mild symptoms in a group of 1000 people? (Round to the nearest whole number)
approximately 778 people
Evaluate: 82 - (7 + 5)
52
If ΔFIN is congruent to ΔRED, list ALL of the corresponding congruent angles and sides in the triangles?
ALL SIX MUST BE LISTED TO EARN FULL POINTS
Angle F ≅ Angle R, Angle I ≅ Angle E, Angle N ≅ Angle D
Sides: FI ≅ RE, FN ≅ RD, IN ≅ ED (all of these sides should have segment symbols on them)
What is 80,900,000 written in scientific notation?
8.09x107