Answer: $4.55
Step-by-step explanation: 7% is equal to 0.07 so you can multiply the price of the book by 0.07 to get the sales tax in dollars, $4.55.
The correct answer is 24.3
Well the probabilities of one or more different outcomes have to add up to 100%. You can't have one outcome be 90% and another be 20% because it does not equal 100%.
So if you know the percentage of one outcome you have to subtract that from 100%
That means C is your answer.
Answer:
6. B
7. D
Step-by-step explanation:
For 6 found that the 56 pieces in the first bag was about 18% of that bag. So then I found that 18% of 450 is ruffly 84, so B
For 7 I multiplied 5x5 is 25 so then 50x5 is 250, which is D
Answer:
NO, It’s not a right triangle
Explanation:
Using the converse of Pythagoras’ theorem if the triangle is right then
Square on longest side = sum of square of the other sides
70^2= 4900
55^2 + 42^2 = 4789
Since 4900 ≠ 4789 not a right triangle
