Peter has 100 dollars. His mom gives him x dollars more. Write an expression to represent the situation.
2 answers:
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Solve: 4(6x - 10) = 8x + 40
A 0
B.5/2
c. 23
D. 5
<h3><u>Answer:</u></h3>Option D
The solution to given equation is x = 5
<h3><u>Solution:</u></h3>Given that we have to solve the given equation
4(6x - 10) = 8x + 40
Let us solve the above expression and find value of "x"
Multiplying 4 with terms inside bracket in L.H.S we get,
24x - 40 = 8x + 40
Move the variables to one side and constant terms to other side
24x - 8x = 40 + 40
Combine the like terms,
16x = 80
Thus solution to given equation is x = 5
Answer:
The value is
Step-by-step explanation:
From the question we are told that
The number of singers is
The sample size is
The number the number of singers who are professional is k = 19
The proportion of professional singers is mathematically represented as
=>
=>
The percentage estimate of singers who are professional is