Answer:
A
Step-by-step explanation:
4x/4=x
8/4=2
x=2
It is -27 because a negative number times a positive number is negative. In this case it is -9 times (3) which is -27.
The value of the expression 2n - 1 when n = 7 is 13.
<h3>Equation</h3>
2n - 1
when n = 7
- Substitute n = 7 into the equation
2n - 1
= 2(7) - 1
= 14 - 1
= 13
<h3>What is mathematical expression?</h3><h3 />
Mathematical expression is an expression which involves the combination of numbers and variables in a valid way, in a function of addition, subtraction, multiplication, division and exponentiation
Therefore, the value of the expression 2n - 1 when n = 7 is 13.
Learn more about equation:
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Answer:
19 days
Step-by-step explanation:
Because they do a school show every Monday and a library show every fifth day of the weekday and weekend so all you have to do is count the days from the Monday they’re doing a show at both places but keep in mind that they do library shows on the fifth day of the weekend and weekday that’s how you get to 19
Step-by-step explanation:
sorry but there is no diagram here but I'll try to guess a diagram and solve
sin 24= 13/h
h sin 24 = 13
h = 13/(sin 24)
h= 31.7
