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Let’s check out your problem:
Find the distance
x
x
x
in feet. Diagram is not drawn to scale.
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Algebra 2
Find the length of the major or minor axes of an ellipse
Full solution
Q.
Find the distance
x
x
x
in feet. Diagram is not drawn to scale.
Identify Problem:
We don't have a diagram or additional information to solve for
x
x
x
. We need more details to proceed with the calculation.
More problems from Find the length of the major or minor axes of an ellipse
Question
Determine the equation of the ellipse with foci
(
3
,
2
)
(3,2)
(
3
,
2
)
and
(
−
5
,
2
)
(-5,2)
(
−
5
,
2
)
, and a minor axis of length
6
6
6
.
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Posted 10 months ago
Question
The graph shows the distance
K
K
K
walks in different lengths of time.
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Posted 10 months ago
Question
You pick a card at random, put it back, and then pick another card at random.
\newline
4
4
4
\newline
5
5
5
\newline
6
6
6
\newline
7
7
7
\newline
What is the probability of picking a number greater than
5
5
5
and then picking a
4
4
4
?
\newline
Write your answer as a percentage.
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Posted 5 months ago
Question
Jeanne's bank account earns interest annually. The equation shows her starting balance of
$
500
\$500
$500
and her balance at the end of three years,
$
546.36
\$546.36
$546.36
. At what rate
r
r
r
did Jeanne earn interest?
\newline
546.36
=
500
(
1
+
r
)
546.36 = 500(1 + r)
546.36
=
500
(
1
+
r
)
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Posted 5 months ago
Question
Jeanne's bank account earns interest annually. The equation shows her starting balance of
$
350
\$ 350
$350
and her balance at the end of three years,
$
422.78
\$ 422.78
$422.78
. At what rate r did Jeanne earn interest?
\newline
422.78
=
350
(
1
+
r
)
3
422.78=350(1+r)^{3}
422.78
=
350
(
1
+
r
)
3
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Posted 5 months ago
Question
A leaky
10
-kg
10\text{-kg}
10
-kg
bucket is lifted from the ground to a height of
14
m
14\, \text{m}
14
m
at a constant speed with a rope that weighs
0.6
kg/m
0.6\, \text{kg/m}
0.6
kg/m
. Initially the bucket contains
42
kg
42\, \text{kg}
42
kg
of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the
14
m
14\, \text{m}
14
m
level. How much work is done? (Use
9.8
m/s
2
9.8\, \text{m/s}^2
9.8
m/s
2
for
g
g
g
.) Show how to approximate the required work (in
J
\text{J}
J
) by a Riemann sum. (Let
x
x
x
be the height in meters above the ground. Enter
x
i
∗
x_i^*
x
i
∗
as
x
i
x_i
x
i
.)
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Posted 5 months ago
Question
A leaky
10
−
k
g
10-\mathrm{kg}
10
−
kg
bucket is lifted from the ground to a height of
14
14
14
m at a constant speed with a rope that weighs
0.6
k
g
/
m
0.6 \mathrm{~kg} / \mathrm{m}
0.6
kg
/
m
. Initially the bucket contains
42
42
42
kg of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the
14
−
m
14-\mathrm{m}
14
−
m
level. How much work is done? (Use
9.8
m
/
s
2
9.8 \mathrm{~m} / \mathrm{s}^{2}
9.8
m
/
s
2
for g .)
\newline
Show how to approximate the required work (in J) by a Riemann sum. (Let
x
x
x
be the height in meters above the ground. Enter
x
i
∗
∗
x_{i}^{* *}
x
i
∗∗
as
x
i
x_{i}
x
i
)
\newline
lim
n
→
∞
∑
i
=
1
n
(
98
+
35.28
x
i
)
Δ
x
\lim _{n \rightarrow \infty} \sum_{i=1}^{n}\left(\boxed{98+35.28 x_{i}}\right) \Delta x
lim
n
→
∞
∑
i
=
1
n
(
98
+
35.28
x
i
)
Δ
x
\newline
Express the work (in J) as an integral in terms of
x
x
x
(in m).
\newline
∫
0
14
(
98
+
35.28
x
\int_{0}^{14}(98+35.28 x
∫
0
14
(
98
+
35.28
x
\newline
Evaluate the integral (in J). (Round your answer to the nearest integer.)
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Posted 5 months ago
Question
Solve the equation.
\newline
6
w
7
=
98
,
304
6 w^{7}=98,304
6
w
7
=
98
,
304
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Posted 5 months ago
Question
A leaky
10
-kg
10\text{-kg}
10
-kg
bucket is lifted from the ground to a height of
14
m
14\text{ m}
14
m
at a constant speed with a rope that weighs
0.6
kg/m
0.6\text{ kg/m}
0.6
kg/m
. Initially the bucket contains
42
kg
42\text{ kg}
42
kg
of water, but the water leaks at a constant rate and finishes draining just as the bucket reaches the
14
-m
14\text{-m}
14
-m
level. How much work is done? (Use
9.8
m/s
2
9.8\text{ m/s}^2
9.8
m/s
2
for
g
g
g
.) Show how to approximate the required work (in
J
\text{J}
J
) by a Riemann sum. (Let
x
x
x
be the height in meters above the ground. Enter
x
i
∗
x_i^*
x
i
∗
as
x
i
x_i
x
i
.)
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Posted 5 months ago
Question
f
(
t
)
=
{
−
64
t
,
t
=
8
14
−
t
,
t
=
10
t
2
−
3
t
+
2
,
t
≠
8
,
10
f
(
2
)
=
□
\begin{array}{l}f(t)=\left\{\begin{array}{ll}-\frac{64}{t} & , \quad t=8 \\ 14-t & , \quad t=10 \\ t^{2}-3 t+2 & , \quad t \neq 8,10\end{array}\right. \\ f(2)=\square\end{array}
f
(
t
)
=
⎩
⎨
⎧
−
t
64
14
−
t
t
2
−
3
t
+
2
,
t
=
8
,
t
=
10
,
t
=
8
,
10
f
(
2
)
=
□
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Posted 5 months ago
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