Percents
The percent equation
What is part=percentXwhole
y=kx Which variable is the constant of proportionality?
K is the constant of proportionality. The equation used to find this is Y/X
Use the distributive property to expand the expression:
z(-6.4-3.5x)
-6.4z-3.4xz
A geometric shape may describe a quadrilateral that has exactly 2 pairs of parallel sides and no right angles?
Parallelogram, Rhombus
What is the theoretical probability of rolling a 3 on a 6 sided die? (write your answer as a percent)
16.67%
60% of 125
What is 75
At the store, a 6 oz can of la croix cost $1.56. A 14 oz can costs $3.36. A 20 oz can costs $5.60. Which bottle has the lowest cost per ounce?
14 oz can
These conditions allow me to combine like terms
What is the same variable and the same exponent
How many triangles can be drawn with side lengths of 3 units, 4 units, and 5 units? explain why
1 triangle, when given all 3 sides, only one triangle can be drawn
What you actually get after running trials
What is experimental probability
The number of students in the marching band this year is 125% as many as the number of students in the marching band last year. If there were 36 students in the marching band last year, how many students are in the marching band this year?
45 students
How can you tell if a graph shows a proportional relationship?
If it begins at the origin and moves upward in a straight line.
Simplify the expression:
-6w+(-8) +1+(-7w)
-13W-7
Find the measure of the complement to an 18 degree angle
What is 72 degrees
Jimmy bought two new hats, five new shirts, and 3 new pairs of pants. How many different outfit can Jimmy make with his new clothes?
30 outfits
The zookeeper predicted that the weight of a newborn lion would be 2.8 lbs. When the zoo's lion gave birth, the newborn weighed 3.5 lbs. What is the zookeeper's percent error?
20%
In a toy store, the ratio of dolls to teddy bears is 9:3. If the store has 240 dolls, how many teddy bears are in the store?
80 Teddy Bears
Factor the GCF of the expression:
8x+36
4(2x+9)
What is the surface area formula for a rectangular prism?
SA= 2(lw+hw+lh)
If 37 people out of 225 people vote yes in a sample, how many people should vote yes if 1800 people in a town are voting?
296 people
Parker opened a bank account that earns simple interest with an initial deposit of $2200. He does not spend any of the money throughout the year. At the end of the year, Parker had 2260.50 in his account. What is the simple interest rate?
2.75%
At Publix, 3 bags of cereal cost $21.75. At this rate, how much would 5 bags of cereal cost?
$36.25
Jordan bought four t-shirts online for the same amount. After being charged $5.98 for shipping, Jordan paid a total of $79.94. Write an equation for the situation.
79.94=4x+5.98
If the area of a circle is 153.86 square meters. What is the diameter of the circle?
14 M
Harry collects data from a random sample of seventh graders. Out of 25 respondent, 10 ride the bus to school. Of the 150 seventh graders, how many would be expected to ride the bus?
60 seventh graders