Answer:
The require expected value of x is 
Step-by-step explanation:
Consider the provided information.
Mike will play a game in which he will toss a penny, a nickel, and a dime at the same time.
The probability of head is 
He will be awarded 3 points for each coin that lands with heads faceup.
Let the random variable x represent the total number of points awarded on any toss of the coins.
Thus the expected value is:



Hence, the require expected value of x is 
Answer:
= 225
Step-by-step explanation:
3 × 3 × 5 × 5
= 3² x 5²
= 9 x 25
<em><u>= 225</u></em>
Answer:
<em>Bot ratios are equivalent? YES</em>
Step-by-step explanation:
The Semi Scooper Sundae has 10 scoops of ice cream and 6 cherries. The ratio of cherries to scoops of ice cream is:

Simplifying:

Ratio= 3:5
The Super Scooper Sundae has 15 scoops of ice cream and 9 cherries. The ratio of cherries to scoops of ice cream is:

Simplifying:
Ratio= 3:5
Bot ratios are equivalent? YES
Answer:
sorry i dont know this this is very hatd question necause i cant have studied
15) a) -3 and -4
-3(-4) = 12 (two negative numbers multiplied or divided together = positive answer)
b) -5 and 6
6(-5) = -30 (one negative number and one positive number multiplied together = negative answer)
-5 + 6 = 1
16) 2.4 kg, 0.7 kg
c) a loss of 15kg should be your answer, because the loss has a larger number proportion than the gained
hope this helps