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Math Problems
Grade 7
Solve equations with variable exponents
9
x
=
333
9^x=333
9
x
=
333
\newline
Find
X
X
X
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9
x
+
9
x
+
9
x
=
999
9^x+9^x+9^x=999
9
x
+
9
x
+
9
x
=
999
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Solve the equation
2
x
+
x
=
5
2^x + x = 5
2
x
+
x
=
5
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c)
2
33
2^{33}
2
33
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Calculator 国
\newline
Question
85
85
85
\newline
Hint
9
9
9
\newline
Solve for
x
;
x
∧
3
=
343
x ; x^{\wedge} 3=343
x
;
x
∧
3
=
343
\newline
Place your answer here.
\newline
3
3
3
\newline
4
4
4
\newline
5
5
5
\newline
6
6
6
\newline
7
7
7
\newline
8
8
8
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0
∞
0^\infty
0
∞
=
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5
a
=
5
5^a = \sqrt{5}
5
a
=
5
solve for
a
a
a
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Solve for
x
x
x
:
x
2
+
49
=
0
x^2+49=0
x
2
+
49
=
0
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The equation
2
c
⋅
b
c
=
1
0
c
2^c \cdot b^c = 10^c
2
c
⋅
b
c
=
1
0
c
is true for all values of
c
c
c
. What is the value of
b
b
b
?
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Factor completely:
\newline
a
6
−
64
v
6
a^{6}-64 v^{6}
a
6
−
64
v
6
\newline
Answer:
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Factor the expression completely.
\newline
x
y
−
x
2
x y-x^{2}
x
y
−
x
2
\newline
Answer:
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Factor.
\newline
x
2
+
14
x
+
48
x^{2}+14 x+48
x
2
+
14
x
+
48
\newline
Answer:
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Factor.
\newline
x
2
+
17
x
+
70
x^{2}+17 x+70
x
2
+
17
x
+
70
\newline
Answer:
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Factor the expression completely.
\newline
8
x
3
+
18
x
8 x^{3}+18 x
8
x
3
+
18
x
\newline
Answer:
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