Step-by-step explanation:
please mark me as brainlist please
Answer:
An exact number is one that has no uncertainty. An example is the number of tires on a car (exactly 4) or the number of days in a week (exactly 7). An approximate number is one that does have uncertainty. ... The number can be the result of a measurement.
Step-by-step explanation:
Answer:
4.5 mph
Step-by-step explanation:
6 times 3 is 18.
18 divided by 4 is 4.5
Answer:
im pretty sure C. 3(-64-8) + 25 will give you a positive value
Im assuming you mean 2x^2-3x-9=0 ?
If so, you have to factorise the equation
(2x-3) (x+3) = 0
2x - 3 = 0
2x = 3
x = 1.5
x + 3 = 0
x = -3
x is either 1.5 or -3