Answer:
x = ±2√10
Step-by-step explanation:
40 - x² = 0
⇌
(√40 - x)(√40 + x) = 0
⇌
x = √40 or x = -√40
we can go further and say that √40 = 2√10
Answer:
32/139
Step-by-step explanation:
There are a total of 42 + 45 + 20 + 32, or 139, candies in the bag.
The probability that the picked candy is purple is therefore
32
---------
139
This result cannot be simplified.
Answer:
the answer is 9
Step-by-step explanation:
Answer: 2 to the power of 0 can be expressed as 20
Step-by-step explanation: tbf im not sure, explain clearly
The following events are independent:
A number cube is rolled and a spinner is spun. Henry rolls a multiple of 2 and lands on a red portion of the spinner.
Two cards are randomly chosen from a standard deck. Eliza chooses a jack, replaces it, and then chooses a black card.
A card is randomly picked from a standard deck and a dart is randomly thrown. Olivia chooses an ace and the dart hits the bull's eye.
