Number, operations, and Quantitative Reasonin
A side of Ari’s aquarium is a square with an area of 150 square inches. The number of inches of each side of between these two whole numbers —
What is 12 and 13
expand (x - 3)(x+11)
x2 + 8x - 33
A rotation can be described by these things?
What are a center point, direction of rotation and angle of rotation?
The area of square ABCD is 400 square centimeters. This is the area of a square that has a side length that is one-half of the side length of square ABCD.
What is 100cm² ?
A vase contains flowers that are white or red or pink only.
A flower is picked at random from the vase.
Probability of picking white is 15% and pink is just twice as white.
Find the probability of picking a red flower.
55%
Mr. Rafael paid $8 for an international phone call. He paid a fee of $1 plus $0.50 per minute. This is an equation can be used to find x, the length of the call in minutes?
What is 0.5x + 1 = 8.40
Naomi draws a 10 sided regular polygon . Its exterior angle is
360
Point P has coordinates ( -3, 4 ).
Point P is translated to ( x,0) where x>0 .
The possible vector for this translation is
(4 , - 4) and value of x > 4
Jamila draws a pentagon.
The two shortest sides are each of length x cm.
The two longest sides are each three times the length of the shortest sides. The fifth side is 5 cm longer than the shortest sides.
Find an expression, in terms of x, for the perimeter of the pentagon. Give your answer in its simplest form.
9x+5
A school committee conducted a survey to find out whether teachers would prefer to start the school day 30 minutes later. Only teachers with children in preschool were surveyed. This is the reason why the results of this survey might NOT be a valid representation of what all the teachers at the school would prefer?
What is "The survey was not conducted using a random sample of teachers."
An old coin has a value of $ 5000. The value of the coin increase by 2% every year. This is the value of the coin in 3 years of time. Correct your answer in dollars and cents.
What is $5306.04.
Ashley's mother bought some bottles of juice for her family. The juice was on sale for 3 bottles for $4.50. This is how much Ashley's mother spent for 8 bottles of juice?
What is $12
An object with area 20 cm2 is enlarged with scale factor 3. Its new area is
180cm2
A plastics company makes two sizes of recycling bins in the shape of rectangular prisms. The smaller bin has a volume of 500 cubic inches. The length, width, and height dimensions of the larger bin are twice those of the smaller bin. This is the volume of the larger recycling bin?
What is 4,000 in³ ?
These are the lengths, in centimetres, for a sample of 10 freshwater fish.
6.9, 7.6, 7.8, 6 , 5.7, 6.5, 5.1, 7.2, 7.1, 7.8
the mean length of sample is
6.77 cm
Lucy reads 450 words in 3 minutes. This is an equation that can be used to find w, the number of words Lucy can read in 15 minutes if she continues to read at the same rate?
What is w = (450/3)*15
w = 2250
This is an equation that matches the following statement.
Six less than four times a number" n" is two more than three times that number. The number is
What is 4n - 6 = 3n + 2
n = 8
The Texas Star, at Fair Park in Dallas, is the largest Ferris wheel in the western hemisphere. It has a diameter of 65 meters. This is the approximate distance traveled by a person who rides this wheel for one complete revolution.
What is 204 m?
Formula for circumference:
C=π×dC=π×d
Where:
CC is the circumference (distance traveled in one full revolution),
π≈3.14π≈3.14,
d=65d=65 meters (diameter of the Ferris wheel).
Calculation:
C≈3.14×65=204.1 metersC≈3.14×65=204.1 meters
The volume of a triangular prism is 5400 cm3. The base area is 900 cm2. Its height is
6 cm.
At the Grand Lakes Basketball Tournament, 4 basketball games are played in 4 different gymnasiums at the same time. If all 4 games begin with a coin toss, this is the probability that all 4 coins will be heads?
What is one out of sixteen
A hydrogen molecule is 1.5x10¯¹º meters in length. This is that number in ordinary notation?
What is 0.00000000015
This is the nth term of the following sequence?-4,-6,-8,.....
The 20th term is
What is nth term : -2n-2
20th term is - 42
Coordinates of M and N are ( 4,3) ( 0, -1) .
The equation of line passing through is
y = x-1
The floor of a room measures 12 feet by 10 feet. The room has 9-foot cailings. The walls of the room are to be painted. This is the area to be painted.
What is 396 ft² ?
During the past winter, the Bender family had monthly heating bills of $79, $146, $212, $149, and $212. This is the mean, meadian, mode, and range.
What are... Range: $133, Mode: $212 Median: $149 Mean: $159.60