Ratios Proportions
On a graph, proportional relationships start at the___?
Origin
A spinner is divided into four equal sections(red, blue, purple, and yellow).
If the spinner is spun 180 times, what is the most reasonable estimate of the number of times the spinner will land on purple or yellow?
90 times
What is -5/8 as a decimal?
-0.625
An acute angle has a measure of 5x and its supplement has a measure of 160 degrees. What is the value x?
4
What expression is equivalent to (1/13)-(7/13)
(1/13)+(-7/13) OR (-7/13)+(1/13)
The cost of vanilla, π, is proportional to the amount of vanilla purchased, π. If 3 pounds of vanilla cost $π8. ππ, what is the constant of proportionality for the relationship?
18.00/3 OR 6
The statistician looks at a set of data that is skewed right. They say it is best to use the median and interquartile range as the measure of center and variability to represent the data best.
TRUE or FALSE
TRUE
What is the best estimate of the value of the expression
(5/3)(3.4-8.7)+(9/19)
approximately -8
exactly -8.36
The expression ππ³ + ππΎ represents the perimeter of a square with a length of π³ and a width of πΎ. What expression also represents the perimeter of a square?
L+L+W+W
Mrs. France records a positive number to show when a sale is made at her book store and a negative number to show when her book store has a cost. What equation could represent how Mrs. France records the store having 7 shipping costs of $24.91?
7 x 24.91=$174.37 OR
24.91 x 7=$174.37
A vegetable recipe calls for 2 1/3 cups of fertilizer for every 4 3/4 cups of water. If a gardener makes a 24 cup batch of plant food using the proportions of the recipe, then approximately how much fertilizer is needed if 10 cups of water is used?
4.91 cups of fertilizer
The data shows the wingspan, in inches, of seven 5th Graders.
33, 39, 39, 40, 40, 41, 41
What is the mean wing span?
39 inches
What is the value of β1/6(β8. 4 Γ· β4. 2)?
-1/3
-0.3333333...
Ms. B plans to bury a chest in the shape of a rectangular prism on the bank of Wolf River. The dimensions of the chest measure 5.3 ft by 6.1 ft by 2 ft.
What is the minimum volume that the hole in bank must be to fit the entire chest?
64.66 cubic feet
Ms. B has $200 in debt split between 4 credit cards. Ms. B uses the expression -200/4 to represent the average debt per card.
What expression is equivalent to the expression Ms. B uses?
200/-4
The price of a dinerβs meal is π dollars, including tax. If the diner adds a 15% tip to the price of the meal, what expressions represent the total price of the meal, including the tip?
1.15p OR p+0.15p
There is a 1/9 chance of a spinner landing on blue. Is it certain, impossible, likely, or unlikely for the spinner to land on blue?
Unlikely
Because 1/9=0.11
unlikely is everything between 0.25 and 0
Ms. B's bank account has $10.52 in it before she spends $10.52 on ice coffee at a local coffee shop. How much does she have in her account now?
$0
What is the approximate circumference of the circle with a radius of 15cm? (Use 3.14 as an approximation of pi.)
94.2 cm
Ms. B consumes π, 2ππ calories on Monday. She consumes a combined 9ππ calories at breakfast, lunch, and dinner and has π snacks that are 100 calories each.
What equation would fit Ms. B's calorie intake for Monday?
900 + 100x= 1200 OR
100x + 900= 1200
Ms. B is h inches tall at the beginning of her 7th grade school year. If the height of Ms. B at the end of the year can be represented by the expression h +0.11h, then what percentage did Ms. B's height increase her 7th grade year?
11%
Students in a MAPS class are randomly assigned to study the rules of art, music, or track and field for a class project using a spinner divided into three equal sections.
If the teacher spins the spinner to assign the first student to a topic, what is the probability the student will be assigned to study the rules of music?
1/3 or 33%
What is the value of 6.4+(-82.7)-17.11?
-93.41
Which set of measurements determines a unique triangle?
When the sum of the two smaller side lengths are greater than the largest side length.
What is the simplified version of the given expression? 5.1(x + 2) + 8.3(2x +7)
7.1x + 68.3 OR
68.3 + 71x