Jim has a number (n) of CDs in his collection. Marcus has 5 less than 2 times the number of CDs Jim has. Which expression repres
2 answers:
Answer:
is the expression which represents the number of CDs Marcus has
Step-by-step explanation:
Given the statement: Jim has a number (n) of CDs in his collection.
⇒ Jim has a number of CDs in his collection = n
Also, it is given that Marcus has 5 less than 2 times the number of CDs Jim has.
"2 times the number of CDs Jim has" means 2n
"5 less than 2 times the number of CDs Jim has" means 2n -5
then;
Marcus has the number of CDs = 2n -5
Therefore, the expression which represents the number of CDs Marcus has ;
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<h2><u>Answer:</u></h2>
The <u>algebraic expressions</u> are composed of several elements: Terms, Coefficients, Signs, Variables and Exponents. In this case we will focus on the first two.
<u>The terms</u> are composed of sign, coefficient, variable and exponent. The terms are separated from each other by the plus sign (+) or the minus sign (-).
For example, in the following expression:
2x-3x
We have two terms separated by the negative sign (-):
2x is the first term
-3x is the second term
Now, <u>the coefficients</u> are the numbers that multiply the variable. <u>Note that if this coefficient is one (1) it is omitted .</u>
For example in the following expression, the variable is x:
2x-3x+x
2 is the coefficient of x in the first term
-3 is the coefficient of x in the second term
1 is the coefficient of x in the third term, <u>but is omitted </u>
In order to understand this in a better way, see the figure attached, where the algebraic expression is composed by one term.
Answer:
46
Step-by-step explanation:
Divide 69 by 3
69 / 3 = 23
Take it times two.
23 x 2 = 46
Proportion
Cross multiply and solve for x.