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Math Problems
Precalculus
Determine the direction of a vector scalar multiple
Solve for all values of
x
x
x
in simplest form.
\newline
8
+
∣
5
+
3
x
∣
=
10
8 + \left| 5 + 3x \right| = 10
8
+
∣
5
+
3
x
∣
=
10
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Let
y
=
8
x
+
15
y = 8x + 15
y
=
8
x
+
15
.
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The number
c
c
c
is irrational. Which statement about
c
5
c^5
c
5
is true?
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The number
b
b
b
is irrational. Which statement about
40
b
40b
40
b
is true?
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Find the value of each variable.
\newline
25
n
=
400
25n=400
25
n
=
400
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Find the value of each variable.
\newline
m
−
137
=
731
m-137=731
m
−
137
=
731
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Find the unknown number in each equation:
\newline
51
−
g
=
20
51-g=20
51
−
g
=
20
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Find the unknown number in each equation:
\newline
15
c
=
180
15c=180
15
c
=
180
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Find the unknown number in each equation:
\newline
b
−
24
=
15
b-24=15
b
−
24
=
15
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Solve for
x
x
x
, your answer must be simplified.
−
7
x
>
10
-7x>10
−
7
x
>
10
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If the order of matrix
2
×
3
2 \times 3
2
×
3
and
B
B
B
is
3
×
2
3 \times 2
3
×
2
, what is the order of
A
B
AB
A
B
?
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What is the value of
8
a
+
4
8a+4
8
a
+
4
when
a
=
5
a=5
a
=
5
?
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−
81
x
=
−
11
-81x=-11
−
81
x
=
−
11
, what are the soultions to the given equation?
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Solve the equation
4
x
2
−
25
=
0
4x^2 - 25 = 0
4
x
2
−
25
=
0
.
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Consider the numbers
4
n
4n
4
n
, where
n
n
n
is a natural number. Check whether there is any value of
n
n
n
for which
4
n
4n
4
n
ends with the digit zero.
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If
10
=
8
x
10=8 x
10
=
8
x
, what is the value of
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Find the value of
3
b
+
4
3b+4
3
b
+
4
when
b
=
10
b = 10
b
=
10
.
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Solve for the exact value of
x
x
x
.
\newline
5
ln
(
4
x
−
10
)
+
2
=
42
5 \ln (4 x-10)+2=42
5
ln
(
4
x
−
10
)
+
2
=
42
\newline
Answer:
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Solve for the exact value of
x
x
x
.
\newline
5
ln
(
4
x
+
9
)
−
1
=
14
5 \ln (4 x+9)-1=14
5
ln
(
4
x
+
9
)
−
1
=
14
\newline
Answer:
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If
9
=
4
x
9=4x
9
=
4
x
what is the value of
x
x
x
?
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If
6
p
=
11
\frac{6}{p}=11
p
6
=
11
, which of the following correctly expresses
p
p
p
in terms of
t
t
t
?
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If
14
y
2
−
21
x
=
a
(
2
y
2
−
3
x
)
14y^2-21x=a(2y^2-3x)
14
y
2
−
21
x
=
a
(
2
y
2
−
3
x
)
, where
a
a
a
is a constant, what is the value of
a
a
a
?
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Solve for the variable.
\newline
x
+
12
=
14
x+12=14
x
+
12
=
14
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5
x
+
5
=
10
5x + 5 = 10
5
x
+
5
=
10
, solve for
x
x
x
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Evaluate the expression
8
d
\frac{8}{d}
d
8
when
d
=
4
d=4
d
=
4
.
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The length of a rectangle's diagonal is
2
29
2 \sqrt{29}
2
29
, and the length of the longer side is
10
10
10
. What is the area of the rectangle?
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find
X
X
X
Then problem is
x
2
=
72
+
242
x^2 = 72 + 242
x
2
=
72
+
242
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Find the value of
x
x
x
that solves the equation
ln
(
x
−
1
)
=
2
−
ln
2
\ln (x-1)=2-\ln 2
ln
(
x
−
1
)
=
2
−
ln
2
.
\newline
Answer:
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