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Math Problems
Precalculus
Determine the direction of a vector scalar multiple
Find
y
′
′
y''
y
′′
if
x
4
t
y
4
=
16
x 4 t y 4=16
x
4
t
y
4
=
16
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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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r
=
8
cos
(
θ
)
r = 8\cos(\theta)
r
=
8
cos
(
θ
)
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B. Find the measure of the
i
i
i
\newline
4
4
4
.
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Find
3
3
3
rational number between
−
1
-1
−
1
and
−
2
-2
−
2
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12
12
12
. Find the matrix
X
X
X
if,
\newline
i)
X
[
5
2
−
2
1
]
=
[
−
1
5
12
3
]
\quad X\left[\begin{array}{cc}5 & 2 \\ -2 & 1\end{array}\right]=\left[\begin{array}{cc}-1 & 5 \\ 12 & 3\end{array}\right]
X
[
5
−
2
2
1
]
=
[
−
1
12
5
3
]
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Given
m
∥
n
m \| n
m
∥
n
, find the value of
x
x
x
.
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r
=
5
cos
cos
θ
r=5 \cos \cos \theta
r
=
5
cos
cos
θ
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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
−
2
x
+
14
3
x
=
14
-2x+\frac{14}{3}x=14
−
2
x
+
3
14
x
=
14
, what is the value of
x
x
x
?
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x
=
−
10
−
2
x=-10-2
x
=
−
10
−
2
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egin{
−
5
-5
−
5
x +
5
5
5
=
5
5
5
. What does x equal
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The sum of the two rational numbers is
−
8
-8
−
8
. If one of the numbers is
−
15
/
7
-15 / 7
−
15/7
, find the other.
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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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If
9
=
9
x
9 = 9x
9
=
9
x
, what is the value of
x
x
x
?
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Solve for the variable, A
\newline
1
1
1
)
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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