Nigel is planning his training schedule for a marathon over a 4-day period. He is uncertain how many miles he will run on two da
1 answer:
Answer:
or
.
Step-by-step explanation:
We have been given that Nigel is planning his training schedule for a marathon over a 4-day period. He is uncertain how many miles he will run on two days. One expression for the total miles he will run is .
The Commutative Property of Addition states that we can add numbers in any order. For example a and b be two numbers.
According to Commutative Property of Addition .
Similarly, we can write an equivalent expression to our given expression as:
We can simplify our expression as:
.
Therefore, our required expression would be or
.
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Answer:
Copy's area is 16 times bigger then triangle area.
Step-by-step explanation:
Given:
Area of copy = 72 unit²
Find:
How bigger copy compared to triangle
Computation:
Area of triangle = [1/2][base][height]
Area of triangle = [1/2][3][3]
Area of triangle = 4.5 unit²
So.
Area of copy / Area of triangle
72 / 4.5
16
So,
Copy's area is 16 times bigger then triangle area.
Answer:
-71 cents
Step-by-step explanation:
The total number of balls is 2 + 10 + 30 = 42 balls
The probability of getting gold marble
The probability of getting silver marble
The probability of getting black marble
With the price for each case, we can calculate the expected value of the game by multiplying the price money by the probability and sum them up
dollar
or -71 cents.
So expect to lose 71 cents everytime you play this game