Inequalities
Write an inequality for the following: The number of years Mrs. Denton has taught (d) is no less than 30
d ≥ 30
x + 15 > 4
x > -11
Two angles that make a right angle have to add up to this many degrees
90
the distance all the way across the middle of a circle is called the _________________
diameter
Who has hedgehog shoes matching Mrs. Denton's?
Maddie
Write an inequality: The book I want (b) is at most $30.
b ≤ 30
4x > -16
x > -4
Two angles that make a straight line have to add up to this many degrees
180
a radius is this fraction of a diameter
half
How OLD is Mrs. Denton?
53
Write an inequality to determine how many bracelets (b) need to be sold to earn at least $50:
Bracelets sell for $5
It costs 20 to rent a booth at the market to sell them.
5b - 20 ≥ 50
x/(-3) < 9
x > -27
"scissor" angles are technically called_________
If a circle has a diameter of 12, find the circumference
(C = ℼd) (pi = 3.14)
37.68
Why should you always wear glasses to math class?
It improves di-vision
Winston needs at least 50 signatures from students in his school before he can run for class
president. He has 12 signatures already. He and one of his friends plan to get the
remaining signatures during lunch. If each person gets the same number of signatures (s), write an
inequality that Winston can use to determine the minimum number of signatures each person
should get so he can run for class president?
2s + 12 ≥ 50
(-1/4)x < -12
x > 48
If two angles are supplementary, and one of them is 47 degrees, how big is the second angle?
133
If a circle has a radius of 10, find its area.
(A = ℼr2)
314
Why did the 2 fours skip lunch?
Because they already EIGHT
solve the inequality:
-5x + 14 < 59
x > -9
-19 < -3x-4
x < 5
If two angles (2n and n+18) form a right angle, solve for n.
24
A circle has a circumference of 31.4
Find its diameter, and its radius
(C = ℼd) pi = 3.14
d = 10
r = 5
Why did pi lose his drivers license?
Because he didn't know when to stop