Solve Equations
7t-3=18
3
t/5=23/50
2.3
Find the percent change and state if it is increase or decrease.
From 30 to 6. ___ %
80%, decrease
What two numbers multiplied by themselves will get 36
6 and -6
Where is the hypotneuse on a right triangle?
Across from the 90 degree angle, the longest side
11y+9=130
11
x/8=x-5/6
20
Find the percent change and state if it is increase or decrease
From $250 to $350. ___ %
40%
Is this number a perfect square?
84
No
Using the Pythagorean theorem, what is the length of the hypotenuse of a right triangle with legs that are 7cm and 24cm?
25 cm
314 = -n+576
262
d-2/d+9=3/14
5
Bob got a raise, and his hourly wage increased from $12 to $15. What is the percent increase? _____ %
25%
√35 is in between what two consecutive integers
5 and 6
Find the length of the missing side. a=6, b =8
10
4n-6n=2n
0
A telephone booth that is 8 ft tall casts a shadow that is 4 ft long. Find the height of a lawn ornament that casts a 2 ft shadow.
4
The price of gasoline rose from $2.40 to $2.76 in one month. By what percent did the gas price rise? _____ %
15%
What two consecutive integers is this square root
-√122
-11 and -12
Find the length of the missing side a=5, c=9
7.5
3(2t-6)=2(3t-9)
identity
A map has a scale of 2 in : 6 mi. If Clayton and Centerville are 10 in apart on the map then how far apart are the real cities?
30 miles
A shirt was originally priced at $48. It went on sale for $38.40. What was the percent that the shirt was discounted? _____ %
20%
What is the difference between -√ 1 and the √ 1
The first expression is a negative square root and the second means the positive square root
A pigeon leaves its nest and flies 5km due east. The pigeon then flies 3km due north. How far is the pigeon from its nest?
5.8 km