Answer:
The value is 
Step-by-step explanation:
From the question we are told that
The mean is 
Given that 20% of the values are greater than 70, the z-score to the right of the curve corresponding to 20% (0.2) of the values is
Generally this z-score is mathematically represented as
Here x = 70
So
=>
Answer:
Step-by-step explanation:
3x + 6 = 8 + 3x - 2
3x + 6 = 3x + 6
Bringing like terms on one side
3x - 3x = 6 - 6
0 = 0
Answer:
Step-by-step explanation:
I don't know what a tape diagram is but I can give you the equation and the answer.
Let Victor have x points
Let Maria have y points
y = x + 424
y/x = 5/3 Cross multiply
3y = 5x Divide by 3
y = 5x/3 I Could have just multiplied by x
y = x + 424
5x/3 = x + 424 Multiply both sides by 3
5x = 3x + 1272 Subtract 3x from both sides.
5x-3x = 1272 Combine the left.
2x = 1272 Divide by 2
2x/2 = 1272/2
x = 636
Victor Scored 636 points
Maria Scored 636 + 424 = 1060
Answer:
(2x100,000) 200,000,00
Step-by-step explanation:
200,000
Please finish the sentence(s). This doesn’t have enough information. Have a good day
