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guapka [62]
2 years ago
8

3(6a) for a=3 please help

Mathematics
2 answers:
kirill115 [55]2 years ago
6 0

Answer:

54

Step-by-step explanation:

1. Substitute 3 as a

3(6(3)) or 3(6·3)

2. Multiply inside the parenthesis first

3(18)

3. Multiply 3·18

54

Delvig [45]2 years ago
3 0
Substitute the value of the variable into the equation and simplify.
54
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How can you evaluate an algebraic expression
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Answer:

Step-by-step explanation:

In algebra we work with variables and numerals. To evaluate an algebraic expression simply means that you are going to determine the value of an expression by substituting and evaluating using the operation order.

in summary in order to evaluate an algebraic expression

  • you must identify the variable and its value
  • you will substitute the given value  for the variable
  • complete the necessary calculations

Take for example;

evaluate 2a + 4b - 2c

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since you already know the value of the variables you substitute them into the question

we have

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2 years ago
The difference between the volume of cone and the volume of a cylinder?
Sergeu [11.5K]

Solution:

we have been asked to find

The difference between the volume of cone and the volume of a cylinder?

As we know that the volume of the cone is given by the formula

V=\frac{1}{3} \pi r^2h\\ \\ \text{where h= height of cone, r=radius } \\

And the volume of the Cylinder is given by the formula

V= \pi r^2h\\ \\ \text{where h=Height, r=radius}\\

The difference between the volume of cone and the volume of a cylinder can be calculated as below

Difference=\frac{1}{3}  \pi r^2h-\pi r^2h=-\frac{2}{3}\pi r^2h

4 0
2 years ago
A theater company charges $9.50 per ticket for people of all age groups. If c represents the total number of children who bought
professor190 [17]

Answer:

2

Step-by-step explanation:

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4 0
2 years ago
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Answer:

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Step-by-step explanation:

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