Let y = 6.
What is the value of 5y?
A.
1
B.
11
C.
30
D.
56
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OpenStudy (anonymous):
@flower2468
OpenStudy (photon336):
what do you think @pink33
OpenStudy (mathstudent55):
What does 5y mean?
What operation is there between 5 and y?
OpenStudy (anonymous):
i don't know
OpenStudy (mathstudent55):
In math, a letter followed by one of more variables means multiplication.
Also, variables together means multiplication.
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OpenStudy (anonymous):
i thinks it b or a
OpenStudy (mathstudent55):
Examples:
\(6x = 6 \times x\)
\(xy = x \times y\)
\(12ab = 12 \times a \times b\)
OpenStudy (mathstudent55):
Now look at your problem and the examples above.
What does 5y mean?
OpenStudy (mathstudent55):
What operation is there between 5 and y?
OpenStudy (mathstudent55):
Choose the correct answer below.
\(5y\) means:
A. \(5 + y\)
B. \(5 - y\)
C. \(5 \times y\)
D. \(5 \div y\)
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OpenStudy (anonymous):
d
OpenStudy (mathstudent55):
5 divided by y?
Did you read any of the explanations I wrote above?
OpenStudy (anonymous):
flower help me
OpenStudy (mathstudent55):
A number followed by a variable (letter) with no operation means multiplication.
Variables together without an operation means multiplication.
5y means \(5 \times y\).
ab means \(a \times b\)
Ok so far?
OpenStudy (anonymous):
FLOWER
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OpenStudy (anonymous):
thanks 4 helping me
OpenStudy (anonymous):
i guess
OpenStudy (mathstudent55):
\(5y\) means \(5 \times y\)
They tell you \(\color{red}{y = 6}\), so
\(5\color{red}{ y}= 5 \times \color{red}{y} = 5 \times \color{red}{6}\)
What is \(5 \times 6\) ?