angle relationships
Two angles are complementary. The measure of angle x is 10 degrees less than twice the measure of angle y. What are the measures of angle x
First angle:56.66
at 8:00 AM the temperature is 30 degrees. before 9:00 PM, the temperature doubles and then decreases by 8 to the second power. what is the temperature at 9:00 PM?
what is -4 degrees
If 5 notebooks cost $12.50, how much would 8 notebooks cost?
what is 20$
Simplify the expression:
3(2x−4)−2(x+5)
what is 4x-22
(−5)+12
what is 7cm
Two angles form a linear pair. One angle is 20 degrees more than three times the measure of the other angle. What are the measures of the first angle?
what is 40
collin has a part time job at starbucks. he makes 25 cents and hour. he works 18 hours a week. he then buys a samsung phone for $258.96. how much money is left in his bank account?
$−254.46
The test scores of five students are: 78, 85, 92, 88, and 67. What is the mean score?
what is 82
Solve:
4x−7=2x+5
what is x=6
(−4)×(−6)
24
In a triangle, one angle is three times the measure of the second angle, and the third angle is 20 degrees less than the second angle. What are the measures of angle 2?
what is 40
A recipe that makes 4 servings requires 6 cups of flour. How many cups of flour are needed to make 10 servings?
what is 15 cups of flour
A model car is built at a scale of 1:20. If the model is 8 inches long, how long is the real car?
what is 160 inches
Solve:
5(2x+1)=3x+17
what is x=12/7
−48÷6
-8
At a point, there are four angles. The first angle measures 45 degrees. The second angle is three times the measure of the first angle. The third angle is 10 degrees less than the second angle, and the fourth angle is 20 degrees more than the first angle. What is the measure of the forth angle?
what is 65
On a map, 1 inch represents 50 miles. If two cities are 3.5 inches apart on the map, what is the actual distance between them?
what is 175 miles
Find the median of the following numbers:
14, 19, 21, 18, 16
what is 18
Simplify:
2(x−3)+4=3(x+1)−2
x=-3
2x−5=13
9
In a regular polygon, the sum of the interior angles is 1440 degrees. What is the measure of each interior angle?
what is 144 degrees
3 workers can paint a house in 6 days. How many days will it take 2 workers to paint the same house (assuming all work at the same rate)?
what is 9 days
A town with a population of 12,000 grows proportionally to 15,000 in 5 years. At that rate, what will the population be in 8 years?
what is 16,800 people
3(x−2)=2x+5
x=11
The sum of three consecutive integers is 96. What are the integers?
31,32,33