Mathematics
11 Online
OpenStudy (anonymous):
Which expression is equivalent to 11(17 – x)?
A. 11 • 17 – 11x
B. 11 • 17 – x
C. 17 – 11x
D. 11 + 17 – x
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OpenStudy (anonymous):
@blurbendy
OpenStudy (anonymous):
help please
OpenStudy (igreen):
11(17 - x) is the same thing as multiplying 11 to everything in the parenthesis, which means you multiply 11 to 17 and -x
OpenStudy (anonymous):
i need more help after this please too
OpenStudy (anonymous):
so........B. then?
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OpenStudy (anonymous):
???????????????????????
OpenStudy (igreen):
No, close..
OpenStudy (anonymous):
A?
OpenStudy (igreen):
Yep!
OpenStudy (anonymous):
i more please hold on please
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OpenStudy (igreen):
11 * -x = -11x
OpenStudy (igreen):
Okay.
OpenStudy (anonymous):
Combine like terms.
8 + 6x – 11x + 12
A.
20 + 5x
B.
20 – 17x
C.
14x + 1x
D.
20 – 5x
OpenStudy (anonymous):
leave then come back in to see it better sorry:)
OpenStudy (anonymous):
is it D.???
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OpenStudy (anonymous):
20-5x?
OpenStudy (igreen):
Hold on.
OpenStudy (anonymous):
k
OpenStudy (igreen):
6 - 11 = ?
8 + 12 = ?
OpenStudy (anonymous):
17
20
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OpenStudy (igreen):
That's 6 - 11, not 6 + 11.
OpenStudy (anonymous):
-5
OpenStudy (igreen):
Yep, so that gives us -5x and 20.
Or 20 - 5x.
OpenStudy (anonymous):
ok mi have another please
OpenStudy (igreen):
Okay, sure.
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OpenStudy (anonymous):
Evaluate the expression by using the given value of the variables.
y ÷ 2 • 4 – 10 ÷ x + 6 where x = 5 and y = 16
A.
36
B.
3
C.
–3
D.
21
OpenStudy (anonymous):
is it a.
OpenStudy (anonymous):
nvm
OpenStudy (anonymous):
thanks bye:)
OpenStudy (igreen):
??
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OpenStudy (igreen):
\(y \div 2 \cdot 4 – 10 \div x + 6\)
x = 5
y = 16
\(16 \div 2 \cdot 4 – 10 \div 5 + 6\)
\(8 \cdot 4 – 10 \div 5 + 6\)
\(32 – 10 \div 5 + 6\)
\(32 – 2 + 6\)
\(30 + 6\)
\(36~\huge\color{lime} \checkmark\)