Jimbob's Scale Factors
The scale factor for a rectangle is multiply by 3. If the length is 2.65 units what is the new length?
7.95 units
Jimbob has 3 red marbles, 2 blue marbles, and 5 purple marbles. What is the probability of drawing a blue marble?
3/10, 30% or 0.3
The expression is −5n + 3(6 + 7n), using combining like terms, simplify.
16n + 18
The circle has a radius of 6 cm. What is the circumference?
~37.69 or 37.70
If you spend 70 dollars on 8 movie tickets, how much does one ticket cost?
If the scale factor for an equilateral triangle is 7.865 cm and you want to decrease the sides, which are 68 cm, what are the new side lengths?
~8.64 cm
1/2, or 50%, or 0.5
The expression is -9(6m − 3) + 6(1 + 4m), using combining like terms, simplify.
−30m + 33
The diameter of a circle is 15. What is the area?
≈176.71
What is the unit rate of $7.96 for 5 pounds?
$1.592 per pound
A model plane is 12 inches long, and the actual plane is 60 feet long. What is the scale factor used to create the model?
1:60
Jimbob has 30 cards. 5 of them are hearts, five of them are jacks, five of them are clubs, and 15 of them are jokers. What is the probability of drawing a queen, putting it back and drawing a heart?
5/30, 0.16666666666, or %16.6666666667
The expression is 5(−2n + 4) + 2(n + 3), using combining like terms, simplify
−8n + 26
The radius is 233 cm. What is the circumference? What is the area?
A= ≈1.71×105
C= ≈1463.98
Jimbob is starting a clothing store. With 12 spools of thread, he can sew 28 sweaters. If Jimbob needs 150 sweaters for the opening day in 14 days, and each spool of thread costs $9.65, how much will the thread cost to make the sweaters for opening day?
$620.36
Jimbob is playing D&D with his friends. He has a bag with 7 dice in it. What is the probability of him drawing the 20 sided die and rolling a natural 20?
1/140 probability