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Zolol [24]
3 years ago
5

What is -42.15+12.45

Mathematics
2 answers:
sertanlavr [38]3 years ago
6 0
-29.7 Is the correct answer
JulsSmile [24]3 years ago
3 0
-42.15+12.45=-30...............................
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twenty teachers are the one attending the the lectures

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(8x^3 - x) - (10x - 5x^2 - 3x^3) <br> Show your work.
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Let's simplify step-by-step.
8
x
3
−
x
−
(
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x
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(
10
x
)
+
−
1
(
−
5
x
2
)
+
−
1
(
−
3
x
3
)
=
8
x
3
+
−
x
+
−
10
x
+
5
x
2
+
3
x
3
Combine Like Terms:
=
8
x
3
+
−
x
+
−
10
x
+
5
x
2
+
3
x
3
=
(
8
x
3
+
3
x
3
)
+
(
5
x
2
)
+
(
−
x
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−
10
x
)
=
11
x
3
+
5
x
2
+
−
11
x
Answer:
=
11
x
3
+
5
x
2
−
11
x


Brainliest Please:)
6 0
4 years ago
Read 2 more answers
Help please..................
Ivahew [28]
(f+g)(x) = f(x) + g(x)
(f+g)(x) = [ f(x) ] + [ g(x) ]
(f+g)(x) = [ 3x-2 ] + [ 2x+1 ]
(f+g)(x) = (3x+2x) + (-2+1)
(f+g)(x) = 5x - 1

Answer is choice B
8 0
4 years ago
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