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kolbaska11 [484]
2 years ago
14

Craig writes 3x + 5y - x - 4y = 3 +9y. Can you spot the 2 mistakes he has made?​

Mathematics
2 answers:
fenix001 [56]2 years ago
6 0

Answer:

first 5y-4y does not equal 9y.

second 3x-x is 2x but he put 3.

Step-by-step explanation:

Math - Answered Sun.Sept.19.2021

If It Helped Please Rate And Heart.

sattari [20]2 years ago
4 0

craig forgor how subtraction works

mistake 1: instead of doing 3x - x, he did like multiplication and also forgor about the negative sign and somehow got 3.

mistake 2: instead of doing 5y - 4y, he did 5y + 4y

if he did it right, the answer would be 2x + y

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Answer:

  (a)  fave = 8

  (b)  c = 64/9

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Step-by-step explanation:

(a) The average value of the function is its integral over the interval, divided by the width of the interval.

  f_{ave}=\displaystyle\frac{1}{16-0}\int_0^{16} {3x^{\frac{1}{2}}} \, dx=\left.\frac{x^{3/2}}{8}\right|_0^{16}=8

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(b) We want ...

  f(c) = 8

  3√c = 8 . . . . . use f(c)

  √c = 8/3 . . . . . divide by 3

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(c) c ≈ 7.111

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4 years ago
A train travels from Ambervale to Westbrook at a constant speed of 96km/h. If the trip takes a total of 3 hours 20 minutes, what
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2 years ago
What is the initial value of the following equation? <br>y = 4(9)​
Vinil7 [7]

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Step-by-step explanation:

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3 years ago
Find an equation for the line perpendicular to the line 8x - 6y = -2 having the same y-intercept as - 6x + 2y = 4.
MissTica
The answer is
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4 0
3 years ago
Read 2 more answers
If a plate is moving 3.3 cm/yr, what distance [in kilometers (km)] will the plate move in 1 million years?
sasho [114]

\huge{\textbf{\textsf{{\color{pink}{An}}{\red{sw}}{\orange{er}} {\color{yellow}{:}}}}}

<h2>33 km</h2>

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So, 0.000033km/yr.

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3 0
3 years ago
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