3/5, .16 1/7, 32%
Solve:
x/5 - 8 = -2
x= 30
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
Find the mean of the following set of data:
{-2,-9, 8, 3, -5, 4}
-.17
Also, is this independent or dependent?
Dependent
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 therefor the relationship is NOT proportional, so there is no constant of proportionality.
Since the beginning of 7th grade, what type of effort do you think you have shown at school?
8s+22 LESS THAN OR EQUAL TO 60
On a map the scale is 2 cm = 15 miles. If Atlanta is 9 cm from Augusta, how far apart are these two cities?
67.5 miles
A survey was conducted of 7th grade students to see how many are exited about field day. 87 out of the 94 surveyed are excited. Predict the total number of 7th grade students that are excited about field day if there are 360 total students in 7th grade.
333 students
FORMULAS:
C=pi*d C=2*pi*r A=pi*r*r
14x - 2 = 82 SO x = 6
Length: 33 Width: 8
A machine crushes recycled soda cans at a rate of 2 & 1/2 cans every 3/4 of a minute. Assuming it stays at the same rate, about how many cans can it crush per minute?
Approx. 3.3 or 3 & 1/3 cans per minute
Two Box and Whisker plots are being compared.
Box Plot 1: Box Plot 2:
LE: 1 LE: 3
UE: 28 UE: 25
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
m<A = 2x + 5
m<B = 4x + 8
m<C = 67
What is the numeric measure of angle A?
x=25 SO
m<A= 55A store buys an item at wholesale for $18. They then markup the item 75%. If a customer has a 15% off coupon and tax is 6%, what will the customer pay for this item?
$28.38
Mean, Median, Mode or Range