Answer:
216
Step-by-step explanation:
Discriminant: b²-4ac
a = 9
b = 6
c = -5
Discriminant: 6²-4*9*-5 = 36 - -180 = 36 + 216 = 216
Answer:
the answer would be 5
Step-by-step explanation:
4x3-7
4x3= 12
12-7= 5
Answer:
d+r < 15
Step-by-step explanation:
d plus r represents all the fish and it all has to be less than 15 as said in the problem
set up a proportion. you have 60/100 and 27/x
now you do 27x100=2700 then divide that by 60
with a calculator you get 45
then you can check your answer by saying 60% of 45 and you get 27 Samuel has 45 toy cars in total
Answer:
4.44 * 10^11
Step-by-step explanation:
I can only answer part A, apologies.
Scientific notation cannot be anything less than 0, or greater than 10. Thus, you have to move the decimal place to the left to get it to a place where it turn 444000000000 into a number that fit these requirements.
To get it to fit such requirements, you move the decimal to the left exactly 11 times. This eleven is important because it is the exponent of 10.
So basically you get the 4.44 by moving the decimal place 11 times to get the number to be between 0 and 10, and then the number of times you move the decimal is the number that your exponent will be. (the exponent isn't negative because if of what direction the decimal end up moving in if you were to move it back to its original place and turn your 4.44 * 10^11 back to its original form. It moves to the right, which is a positive movement. If it were to move to the left to make it back into 444 billion, THEN would it be a negative exponent.)
