Math Teas)

Pataasin ang iyong marka sa homework at exams ngayon gamit ang Quizwiz!

A state trooper recorded and collected speeds of several cars at a set location on a local highway. The speeds in miles per hour are recorded below. Which of the following is the median of this data set? 73,81,68,75,90, 78, 75, 82, 77, 71 -77 -22 -75 -76

76 The 2 middle numbers were 75,77= 152/2 =76

A city assess a transportation tax of 3/5 of penny on each dollar. What percent of each dollar is collected by this tax? -0.006% -0.06% -0.6%

0.6% (Divide 3/5= 0.60

What is 6 ft into meters? 1m=3ft 3.37 in 1ft= 0.3 m

1.8 Meters 0.3 X 6

Two school districts are combining to form a new district. School district A has 6,798. School district B has 8,976 students. Which will be the combined enrollment of the new school district? A. 13,596 B. 14,874 C. 15,774

15,774 (Add them both)

8 5/8 - 7 11/16 =

15/16

Change 1.7% into a fraction

17/1000 1.7 / 100 x 10/10= 17/1000 Multiply by 10 to eliminate the Decimal

Solve the equation for x. 10-4x=2 A. -3 B. -2 C. 2

2 (Subtract 10 both sides and divide -4 from both sides)

Mean means to

Add all the numbers up and divide by the number of numbers there are

A customer buys apples, bananas, and oranges at a local fruit stand everyday. They would like to keep track of how many pieces of each fruit they buy each week. Which graph would be best to use for this?

Bar graph (Compares data)

Line graph measure

data like recording times for experiments

Which of the following is the product of 0.05 and 0.7? -0.0035 -0.035

0.035

When weighing a bowling ball you use

Kilograms

A student fills a beaker with boiling water and another beaker with ice water. Every 1 min , the student records the temp in each beaker. In order to determine the exact time the temp in the two beakers will be equal. Which graphical representations should be used to organize the data? -Bar graph -Line graph -Pie graph

Line graph

(X+3)^2 =3 Which of the following is the correct solution to the equation above? A. x=3=+-/3 B. x=-3+-/3 C.x=-6

X= -3 +- /3 Look at paper to solve

-7(y-4)=-y-26 Which of the following correctly solves the equation above the Y? A. Y=16 B. Y=9 C. 11/3

Y=9

Median that has 2 numbers in the middle means

add both numbers and divide by 2

Henry leaves 80$ of food. A 15% tip and 8% sales tax. If both tip and sales tax where calculated from the cost of the food which was the cost of the food before? Rounded to the nearest cent?

$65.04 *Look at the answer choices given and add or subtract from there* 65.04 + 15% + 8% = 80$

Which of the following is the product of 0.003 and 800? -0.24 -2.4 -24

2.4 (Product means multiply)

2 1/2 divide by 3 3/4

2/3 5/2 divide 4/15 (Switch Numer & Denom)= 20/30 20/30 / 10/10= 2/3

Which of the following is a fractional equivalent of 6 2/3 % ? A. 11/300 B. 20/300 c. 20/3

20/300 20/3 X 1/100= 20/300 * Multiply by 100 after changing fraction*

What is the equivalent percentage of 66/33

200% 66/33=2 2X100= 200

A landscaper wants the L and W of a lawn each increased by 20%. The current lawn is 18ft X 24 ft

21.6 X 28.8 18 + 20%= 21.6 24+20%= 28.8

$2.00 per each Paint brush $3.00 Tubes paint Which inequalities represents how many paint brushes (b) and tube paint (t) he can buy with 36$?

2b+3t<_36 2b for 2$ each brush 3t for 3$ each tube

Two time a number is less than four more than that number

2x<X+4

A recipe for a pizza that serves 12 people calls for 2 cups of shredded cheese. If each bag of mozzarella contains 3 cups of cheese. What is the minimum number of bags required to make pizza for 48 people?

3 bags (to serve 48 people you need 4 pizzas. Four pizzas will require 8 cups which is 3 bags of cheese)

A Tv is discounted 20% in a sale. A shopper has a coupon of 15% off sales price. Which is the total percent discount from the original price of the tv? -35% -32% -40%

32% 100% - 20%= 80 80% X 15%= 0.12 0.12 + 0.20= 0.32 x 100= 32%

In a community, 3/8 of the population has children that attend school. Which is the percentage of the population that has children in school? A. 0.00375% B. 0.375% C. 3.75% D. 37.5%

37.5 % 3/8=0.375 0.375 X 100= 37.5

The original price items is 3.75$ and there is a discount of 2.25$ off. What is the percent of the discount? A. 33% B. 40% C. 60%

40% Equals to 1.50$ after discount 1.50 / 3.75= 0.4 0.4 x 100= 40%

The average diameter of one tennis ball in a packet of 3 is 6.8 cm. Which is the combined volume of all 3 tennis balls? Rounded to the nearest hundredth Pie= 3.14 V= 4/3 pie r^3

493.66 cm^3 6.8 /2= 3.4 4/3=1.3 Cube radius= 3.4 x 3.4 x 3.4 = 39.304 39.304 x 3.14x 1.33= 164.141365 x3= 492.424094 492.424094 rounded up= 493.66

A contractor builds a fence to surround a rectangular garden. The length of the fence is 5ft more than the width(W). Which expression represents the amount of fencing he needs to complete the project? A. 2w+5 B. 4w+5 C. 4W+10

4W+10 (You have to count the other sides too and 2W+2(w+5)= 4W+10

1,500 ml of fruit punch juice 375 ml of pineapple juice and 1l of gingerale. How many L of punch needed if doubled? 1l= 1,000 ml 1,500ml= 1.5 L

5.75 L 3,750 doubled fruit punch and pineapple 2l of gingerale 2l+3l= 5 Liters

John had 15 shots in total he missed 7 shots. How many shots did he make in percentage rounded to the nearest percent?

53% He made 8 shots 8/15= 53

A basic cell phone plan cost 50$ every month and includes 200 min. If the customer uses more than 200 mins in a month they charge an extra 0.03 $ per min used. If N represents the number of mins used which represents the money cost (C) when more than 200 mins used? A. C=50=0.03(n) B. C= 50+0.03 (n+200) C. C=50+0.03(n-200)

C= 50+0.03(n-200)

L= 2/3k The equation is to determine the length of crutches in inches (L) required for a person of given height in inches (K). What does it signifies?

Each 3 inches of height adds 2 inches to the crutch length.

How many hourly rates are less than the mean value means?

Get the mean of the numbers and see what hourly rates that pay an hour are less than the mean

Product and Of means

to Multiply


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