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Math Problems
Grade 6
Opposites of rational numbers
p
=
−
1.8
(
5
)
2
+
70
p=-1.8(5)^{2}+70
p
=
−
1.8
(
5
)
2
+
70
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Find the sum by listing out
\newline
1
1
1
.
∑
g
=
4
9
5
g
+
3
\sum_{g=4}^{9} 5 g+3
∑
g
=
4
9
5
g
+
3
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The sum of a number and
15
15
15
is
−
23
-23
−
23
. Find the number
\newline
The unknown number is
□
\square
□
.
\newline
(Simplify your answer.)
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sum of a number and
15
15
15
is
−
23
-23
−
23
. Find the number:
\newline
e unknown number is
□
\square
□
.
\newline
mplify your answer.)
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If
−
x
−
10
y
=
9
-\mathbf{x}-\mathbf{1 0 y}=\mathbf{9}
−
x
−
10y
=
9
is a true equation, what would be the value of
−
10
y
−
x
-\mathbf{1 0 y}-\mathbf{x}
−
10y
−
x
?
\newline
Answer:
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