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Elenna [48]
3 years ago
12

Need help I don’t know what he did wrong

Mathematics
1 answer:
Naddik [55]3 years ago
5 0

Answer:

6-2x+5+4x

Group the similar numbers

2x+11

Step-by-step explanation:

Tyler multiplied the numbers when he should've have grouped the similar numbers together

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3 years ago
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Find the volume of the solid by rotating the region bounded by y=x^3, y=8, and x=0 about the y axis.
dimulka [17.4K]

Answer:

Solution : Volume = 96/5π

Step-by-step explanation:

If we slice at an arbitrary height y, we get a circular disk with radius x, where x = y^(1/3). So the area of a cross section through y should be:

A(y) = πx^2 = π(y^(1/3))^2 = πy^(2/3)

And now since the solid lies between y = 0, and y = 8, it's volume should be:

V =  ∫⁸₀  A(y)dy (in other words ∫ A(y)dy on the interval [0 to 8])

=> π ∫⁸₀ y^(2/3)dy

=> π[3/5 * y^(5/3)]⁸₀

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=> 3/5π2^5

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7 0
3 years ago
What is the value of x?
scoray [572]

Answer:

x = 54.6 m

Step-by-step explanation:

Δ MAB and Δ MNP are similar, then corresponding sides are in proportion, that is

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\frac{80.5-35}{80.5} = \frac{x}{96.6}

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x = 54.6

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Step-by-step explanation:

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3 years ago
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True or false is the graph of y = 2/3 x + 4
Licemer1 [7]

Answer:

False. 2/3 is positive so therefore, it would be increasing, not decreasing.

Step-by-step explanation:

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3 years ago
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