(4*10^9)+(7*10^10)
(7.4*10^10)
Solve this equation (you will only get all points by including all answers):
x^2-10x=24
X = 4 and x=6
Between A and B, the line goes up by 3 and right by 2. Between B and C, the line goes up by 9 and right 6. Are the gradient the same between A and B, and between B and C?
Yes
Jenny got a raise from her boss. After a 20% raise, her salary became 84,000 RMB. What was her salary before the raise?
70000 * (1+20%)= 84000
The product of two consecutive even numbers is 120. What are the numbers?
Product = Factor x factor
Even numbers = 2, 4, 6, 8, 10
10 or -12
True or false: Based on this graph, we know that Joey Chestnut had only eaten 11 total hot dogs by minute 2
false
True or false: This is the graph for
5\geqx
False
A new school is deciding whether their lessons should be 30, 50 or 60 minutes long. Each lesson duration fits exactly into the total teaching time of each school day.
How long is the total teaching time of each school day?
300 minutes
Make a the subject in this formula
s=ut+1/2at^2
a =
(2(s-ut))/t^2=a
Find the average speed over the course of 3 hours (average speed = total distance/time)
7/3 km per hour
True or false: This is the graph for
x^2-4
True
There are two numbers. Their LCF is 35, and their LCM is 1155. What are these two numbers?
385 and 105
2x^2-2x=x^2-x+20
Find the value of x
X = 4 or -5
The line joining (3, p) to (7, –4p) is parallel to the line joining (–1, –3) to (3, 7). Find p.
p=-2
The two small circles are touching each other and have a radius of a
The big circle at the bottom are touch the small circles, and have a radius of b
The square has a side length of 96.
Find the measurement of b
b = 27
Solve for b
b = 26