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Geometry
Percent error
What is the concentration in
PPM
\text{PPM}
PPM
of a solution made from
20.1
g
20.1\,\text{g}
20.1
g
of
KCl
\text{KCl}
KCl
and
522
g
522\,\text{g}
522
g
of water?
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In
Δ
H
I
J
\Delta HIJ
Δ
H
I
J
,
i
=
970
i = 970
i
=
970
inches,
j
=
660
j = 660
j
=
660
inches and
∠
H
=
8
2
∘
\angle H=82^\circ
∠
H
=
8
2
∘
. Find the length of
h
h
h
, to the nearest inch.
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ADV
\newline
Duolingo
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Amoeba Sisters Bio...
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Sephora Cene - Res...
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Applications of Inverse Trigonometric Functions
\newline
2
2
2
/
10
10
10
\newline
A
40
40
40
foot tower must be secured with a wire anchored
5
5
5
feet from the base of the tower. What angle will the wire make with the ground? Round your answer to the nearest tenth.
\newline
Enter the answer
\newline
Check It
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Carter measures a line to be
5.17
f
t
5.17 \mathrm{ft}
5.17
ft
long. If the actual measurement is
5
f
t
5 \mathrm{ft}
5
ft
, find Carter's relative error to the nearest thousandth.
\newline
Answer:
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Eric measures a line to be
5
5
5
.
46
46
46
in long. If the actual measurement is
5
5
5
in, find Eric's relative error to the nearest hundredth.
\newline
Answer:
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Alex measures a line to be
7
7
7
.
72
72
72
in long. If the actual measurement is
8
8
8
in, find Alex's relative error to the nearest hundredth.
\newline
Answer:
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David measures a line to be
4.48
f
t
4.48 \mathrm{ft}
4.48
ft
long. If the actual measurement is
4
f
t
4 \mathrm{ft}
4
ft
, find David's relative error to the nearest hundredth.
\newline
Answer:
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Eric measures a line to be
7.3
f
t
7.3 \mathrm{ft}
7.3
ft
long. If the actual measurement is
7
f
t
7 \mathrm{ft}
7
ft
, find Eric's relative error to the nearest hundredth.
\newline
Answer:
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David measures a line to be
3.64
c
m
3.64 \mathrm{~cm}
3.64
cm
long. If the actual measurement is
4
c
m
4 \mathrm{~cm}
4
cm
, find David's relative error to the nearest hundredth.
\newline
Answer:
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Eric measures a line to be
5.24
f
t
5.24 \mathrm{ft}
5.24
ft
long. If the actual measurement is
5
f
t
5 \mathrm{ft}
5
ft
, find Eric's relative error to the nearest hundredth.
\newline
Answer:
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Alex measures a line to be
6.68
f
t
6.68 \mathrm{ft}
6.68
ft
long. If the actual measurement is
7
f
t
7 \mathrm{ft}
7
ft
, find Alex's relative error to the nearest hundredth.
\newline
Answer:
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Alex measures a line to be
6.43
c
m
6.43 \mathrm{~cm}
6.43
cm
long. If the actual measurement is
6
c
m
6 \mathrm{~cm}
6
cm
, find Alex's relative error to the nearest hundredth.
\newline
Answer:
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Eric measures a line to be
2
2
2
.
92
92
92
in long. If the actual measurement is
3
3
3
in, find Eric's relative error to the nearest hundredth.
\newline
Answer:
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Carter measures a line to be
9.33
c
m
9.33 \mathrm{~cm}
9.33
cm
long. If the actual measurement is
9
c
m
9 \mathrm{~cm}
9
cm
, find Carter's relative error to the nearest hundredth.
\newline
Answer:
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David measures a line to be
10
10
10
.
08
08
08
in long. If the actual measurement is
10
i
n
10 \mathrm{in}
10
in
, find David's relative error to the nearest hundredth.
\newline
Answer:
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324
324
324
.
9
9
9
is what percent of
304
304
304
? Round to the nearest hundredth.
\newline
Answer:
□
\square
□
%
\%
%
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34
34
34
.
9
9
9
is what percent of
32
32
32
? Round to the nearest hundredth.
\newline
Answer:
□
\square
□
%
\%
%
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100
100
100
.
2
2
2
is what percent of
192
192
192
? Round to the nearest thousandth.
\newline
Answer:
□
\square
□
%
\%
%
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6
6
6
.
5
5
5
is what percent of
32
32
32
? Round to the nearest thousandth.
\newline
Answer:
□
\square
□
%
\%
%
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27
27
27
.
9
9
9
is what percent of
48
48
48
? Round to the nearest hundredth.
\newline
Answer:
□
\square
□
%
\%
%
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68
68
68
.
1
1
1
is what percent of
96
96
96
? Round to the nearest thousandth.
\newline
Answer:
□
\square
□
%
\%
%
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4
4
4
.
3
3
3
is what percent of
32
32
32
? Round to the nearest thousandth.
\newline
Answer:
□
\square
□
%
\%
%
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The number
80
80
80
is decreased to
75
75
75
. What is the percentage by which the number was decreased, to the nearest tenth of a percent?
\newline
Answer:
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The number
35
35
35
is decreased to
32
32
32
. What is the percentage by which the number was decreased, to the nearest tenth of a percent?
\newline
Answer:
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The number
33
33
33
is decreased to
32
32
32
. What is the percentage by which the number was decreased, to the nearest tenth of a percent?
\newline
Answer:
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The number
32
32
32
is increased to
35
35
35
. What is the percentage by which the number was increased, to the nearest tenth of a percent?
\newline
Answer:
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The number
35
35
35
is increased to
37
37
37
. What is the percentage by which the number was increased, to the nearest tenth of a percent?
\newline
Answer:
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The number
22
22
22
is increased to
39
39
39
. What is the percentage by which the number was increased, to the nearest tenth of a percent?
\newline
Answer:
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An element with mass
490
490
490
grams decays by
18.8
%
18.8 \%
18.8%
per minute. How much of the element is remaining after
8
8
8
minutes, to the nearest
1
1
1
oth of a gram?
\newline
Answer:
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An element with mass
570
570
570
grams decays by
15.2
%
15.2 \%
15.2%
per minute. How much of the element is remaining after
16
16
16
minutes, to the nearest
1
1
1
oth of a gram?
\newline
Answer:
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An element with mass
230
230
230
grams decays by
27.7
%
27.7 \%
27.7%
per minute. How much of the element is remaining after
8
8
8
minutes, to the nearest
1
1
1
oth of a gram?
\newline
Answer:
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An element with mass
990
990
990
grams decays by
18.8
%
18.8 \%
18.8%
per minute. How much of the element is remaining after
13
13
13
minutes, to the nearest
1
1
1
oth of a gram?
\newline
Answer:
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An element with mass
910
910
910
grams decays by
16.6
%
16.6 \%
16.6%
per minute. How much of the element is remaining after
20
20
20
minutes, to the nearest
1
1
1
oth of a gram?
\newline
Answer:
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