Order integers from Least to Greatest
3/5, .16 1/7, 32%
1/7, .16, 32%, 3/5
x/5 - 8 = -2
You purchase a coke for .99 and a candy bar for 1.25 at QT. If tax is 7%, how much do you pay the cashier?
$2.40
{-2,-9, 8, 3, -5, 4}
Also, is this independent or dependent?
Dependent
A supplementary angle relationship has one angle measuring 2x+3 2x + 3 and the second angle measuring x-6 . What is the value of x?
x=61
Mary has the ordered pairs (3,18), (5,30), (7,49) and (8,48). She believes that the constant of proportionality is k=6. Is she correct? Why or why not?
No because when you do y/x for (7,49) you get 7 therefore the relationship is NOT proportional, so there is no constant of proportionality.
Is the survey question biased or unbiased?
Since the beginning of 7th grade, what type of effort do you think you have shown at school?
Unbiased
There is a shark swimming 156 feet below sea level. There is a plane flying at an altitude of 13,425 feet. What is the difference in their elevations?
13,581 feet
Debbie's birthday was over Spring Break. She got $60 to spend. She wants to buy a pair of jeans for $22 and as many t-shirts as she can with the remaining money. What inequality would you use to show the greatest amount of t-shirts she can buy?
8s+22 LESS THAN OR EQUAL TO 60
FORMULAS:
C=pi*d C=2*pi*r A=pi*r*r
Trey kicks field goals for the school's football team. He attempted 45 field goals this year. He missed 1/3 of his attempts. Of the remaining attempts he made 80%. How many field goals did he make?
24 field goals.
The perimeter of a rectangular shape is 82 feet. If the length is 5x + 3 and the width is 2x - 4, what expression would you use to represent the perimeter and what are the actual dimensions of this shape?
Expression: 14x -2
14x - 2 = 82 SO x = 6
Length: 33 Width: 8
Two Box and Whisker plots are being compared.
Box Plot 1: Box Plot 2:
LE: 1 LE: 3
UE: 28 UE: 2
Q1: 3 Q1: 5
Q2: 9 Q2: 14
Q3: 22 Q3: 21
Which box plot has a lower IQR?
Box Plot 2 has an IQR of 16 (21-5)
Box Plot 1 has an IQR of 19 (22-3)
SO box plot 2
You are given a triangle with these angle measurements:
m/_A=2x+4,
m/_B=4x+8,
m/_C=67
What is the numeric measure of angle A?
x=25 SO
m<A= 55
Henry started a new job, so he decides to open a bank account. The initial balance is $127. He then has to withdraw $54 to buy the uniform for his job and $38 for gas to get to work the first week. When he gets his first pay check he deposits $146. What is his balance?
$181
Ben, a plumber, charges 1/4 of his material costs as a labor fee. If the materials on his current job are $120, how much will Ben charge his client (including his labor fee)?
$150
Mean, Median, Mode or Range