Consumer Math
A popsicle costs $1.25 from the icecream truck. Tax is 2.1%. What is the final cost of the popsicle including tax?
*to the nearest cent*
$1.28
What is the name of the angle pair that adds up to 90?
complementary angles
Fill in the blanks:
A flip is also called a ________
A slide is also called a _______
An enlargement or reduction is also called a _______
Reflection, Translation, Dilation
What does the Pythagorean Theorem help us find?
the length of the sides on a right triangle
What is the formula for the area of a trapezoid?
A=1/2 h (b1+b2)
A pair of jeans costs $13.50 to make. A store marks up the price by 120%. How much do the jeans cost now?
$29.70
What is the name of the angle pair that forms a straight line or 180 degrees?
*extra points if you can name BOTH*
linear pair
supplementary angles
(1, 1.75)
What is the formula for the Pythagorean theorem?
a2+b2=c2
Solve for the area of a triangle if the base is 10m and the height is 3m.
*Don't forget your units!*
15m2
You need a loan from the bank to buy a house. The house costs $189,000. The bank charges 2.39% interest over 30 years. Find the total amount you will need to pay back to the bank.
$324,513
Are the following angles complementary, supplementary, or neither?
Angle V is 93 degrees
Angle G is 85 degrees
neither! 93+85=178
What are the coordinates of point A(-3,-7) after a reflection across the y-axis?
(3,-7)
Do the following side lengths make a right triangle?
20cm, 21cm, 29cm
yes (202+212=292)
What is formula for the volume of a cone?
V=1/3 pi r2h
The number of people attending the first basketball game of the season was 840. The number of people attending the last basketball game of the season was 1200. What was the percent increase in attendance, to nearest percent?
The percent increase in attendance was 43%.
Angle T and M are complementary.
Angle T = 3x-5
Angle M= 53
What is the measurement of Angle T?
*extra points if you solve for x*
37 degrees
(x=14)
A model airplane is an example of_______
(translation, reflection, or dilation)
dilation
Find the missing hypotenuse of a right triangle if the legs are 3.4ft and 5.7ft.
(Round to the nearest tenth)
6.6ft
Find the surface area of a cone if the radius of the base is 8 feet, and the length of the slant is 12 feet.
*use 3.14 for pi*
502.4 feet
When diagnosing a dog's illness, a veterinarian notices that the dog's weight went from 48 pounds to 36 pounds in a relatively short period of time. What was the dog's percentage of weight loss?
The dog lost 25% of its weight.
Angles C,V, and S create a straight line.
Angle C=120
Angle V=1/2-5x
Angle S=22
Find the value of x.
*extra points for the measurement of Angle V*
x=-7.5
*Angle V = 38
Write an algebraic rule using (x,y) to show a translation five units left and seven units up
(x-5, y+7)
Find the missing leg of a right triangle is the hypotenuse is 17.3m and one leg is 12m.
(Round to the nearest tenth)
12.5m
Imagine a rectangular sheet of cookie dough with a length of 10in and width of 5 in. I use a circular cookie cutter with a diameter of 2in to cut cookies. If I cut out three cookies, what is the area of the remaining cookie dough?
*use 3.14 for pi*
12.32 inches2 of remaining dough