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Arte-miy333 [17]
3 years ago
14

I need to know the answer

Mathematics
1 answer:
Rainbow [258]3 years ago
6 0
Make the mixed number improper ( multiply whole number by denomentaor then add that number to the numerator and put it over the orignial denominator) to get this
(15/2)/(21/4)=x/9
we know that a/b/c/d = a/d * d/c
so 15/2*4/21=60/42=x/9
simplify
30/21=x/9
10/7=x/9
10/9*9/1 (10/9*9) =x
90/9=x
10=x
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Answer:

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Step-by-step explanation:

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3 years ago
Find the set of values of x for which y is zero in<br>the equation y=(x + 2) (2x-2)​
Alex777 [14]

Answer:

{ - 2, 1 }

Step-by-step explanation:

To determine the values let y = 0, that is

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Equate each factor to zero and solve for x

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2x - 2 = 0 ⇒ 2x = 2 ⇒ x = 1

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3 years ago
in the grid below, the vertices of triangle ABC are A(-1,9), B(7,2), and C(-1,2). Which is closest to the area of triangle ABC?
vovikov84 [41]

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Step-by-step explanation:

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3 years ago
Help. Calculus question.
elixir [45]

Answer:

64π/5 cubic units.

Step-by-step explanation:

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Using the disk method for volumes of revolution:

Note that x = y^1/3 so:

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=  3/5 y^5/3 * π between 0 and 8

= 96π/5.

The required volume = π 2^2 *8 - 96π/5

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Step-by-step explanation:

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