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Let’s check out your problem:
Evaluate the expression for
f
=
−
4.4
f = -4.4
f
=
−
4.4
and
g
=
4.7
g = 4.7
g
=
4.7
.
\newline
Write your answer as a decimal or
whole number
.
\newline
f
+
g
=
f + g =
f
+
g
=
_____
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Math Problems
Algebra 1
Evaluate variable expressions involving rational numbers
Full solution
Q.
Evaluate the expression for
f
=
−
4.4
f = -4.4
f
=
−
4.4
and
g
=
4.7
g = 4.7
g
=
4.7
.
\newline
Write your answer as a decimal or whole number.
\newline
f
+
g
=
f + g =
f
+
g
=
_____
Substitute values into expression:
Substitute the given values into the expression
f
+
g
f + g
f
+
g
.
f
=
−
4.4
f = -4.4
f
=
−
4.4
,
g
=
4.7
g = 4.7
g
=
4.7
Expression:
(
−
4.4
)
+
4.7
(-4.4) + 4.7
(
−
4.4
)
+
4.7
Add decimal numbers:
Add the two decimal numbers.
\newline
−
4.4
+
4.7
=
0.3
-4.4 + 4.7 = 0.3
−
4.4
+
4.7
=
0.3
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y
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z
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z=11.1 i-45
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\newline
Re
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z
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Question
(
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+
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i
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Express your answer in the form
(
a
+
b
i
)
(a+b i)
(
a
+
bi
)
.
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Question
(
12
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i
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32
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+
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32
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Express your answer in the form
(
a
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)
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(
a
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Posted 10 months ago
Question
What happens to the value of the expression
3
y
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y
\frac{3 y}{2 y}
2
y
3
y
as
y
y
y
increases?
\newline
Choose
1
1
1
answer:
\newline
(A) It increases.
\newline
(B) It decreases.
\newline
(C) It stays the same.
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Posted 10 months ago
Question
Find the following trigonometric values.
\newline
Express your answers exactly.
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7
π
4
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=
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sin
(
7
π
4
)
=
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cos
(
4
7
π
)
=
□
sin
(
4
7
π
)
=
□
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Posted 10 months ago
Question
Which equation has a constant of proportionality equal to
3
3
3
?
\newline
Choose
1
1
1
answer:
\newline
(A)
y
=
8
5
x
y=\frac{8}{5} x
y
=
5
8
x
\newline
(B)
y
=
1
3
x
y=\frac{1}{3} x
y
=
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x
\newline
(C)
y
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x
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y
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x
\newline
(D)
y
=
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x
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y
=
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18
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Question
Reduce to simplest form.
\newline
−
5
8
+
(
−
8
5
)
=
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−
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+
(
−
5
8
)
=
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Question
Reduce to simplest form.
\newline
−
1
4
−
(
−
3
5
)
=
-\frac{1}{4}-\left(-\frac{3}{5}\right)=
−
4
1
−
(
−
5
3
)
=
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Posted 10 months ago
Question
Reduce to simplest form.
\newline
−
1
3
−
(
−
3
5
)
=
-\frac{1}{3}-\left(-\frac{3}{5}\right)=
−
3
1
−
(
−
5
3
)
=
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Posted 10 months ago
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