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3 years ago

Please help I will mark you as Brainly

Mathematics

2 answers:

Montano1993 [528]3 years ago

5 0

Answer:

Step-by-step explanation:

Let's dissect the fraction.

x=8 y=1

2y=2

8/2=4

Hope this helps ;-))

Xelga [282]3 years ago

4 0

Answer:

Step-by-step explanation:

Substitute x by 8 and y by 1 and then solve.

$\frac{x}{2y} =\frac{8}{2(1)} = \frac{8}{2}$ = 4

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F(x) = 4x +5 when f(x) = 17

andre [41]

Answer:

value of x = 3

Step-by-step explanation:

here's the solution :-

=》f (x) = 4x + 5

and we know,

=》f (x) = 17

so, by equating both equations, we get :-

=》4x + 5 = 17

=》4x = 17 - 5

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3 years ago

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the cylinder has radius 4√3 and hight h. the total surface area of the cylinder is 56π√6. find the exact value of h giving the a

Arte-miy333 [17]

The area of the cylinder is a function of its height (h) and radius, ( $\mathbf{4\sqrt 3}$ )

The exact value of h is: $\mathbf{7\sqrt 2- 4\sqrt 3}$

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The surface area of a cylinder is calculated as:

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Substitute values for Area

$\mathbf{56\pi\sqrt 6= 2\pi rh + 2\pi r^2}$

Divide through by pi

$\mathbf{56\sqrt 6= 2 rh + 2r^2}$

Substitute value for r

$\mathbf{56\sqrt 6= 2 (4\sqrt 3)h + 2(4\sqrt 3)^2}$

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Collect like terms

$\mathbf{8h\sqrt 3 = 56\sqrt 6- 96}$

Make h the subject

$\mathbf{h = \frac{56\sqrt 6}{8\sqrt 3}- \frac{96}{8\sqrt 3}}$

$\mathbf{h = 7\sqrt 2- \frac{12}{\sqrt 3}}$

Rationalize

$\mathbf{h = 7\sqrt 2- \frac{12\sqrt 3}{3}}$

$\mathbf{h = 7\sqrt 2- 4\sqrt 3}$

Hence, the exact value of h is: $\mathbf{7\sqrt 2- 4\sqrt 3}$

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2 years ago

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Answer:

2.5 < 3.5, 3.5 – 2.5 = 1.

C street is shorter by 1 mile

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3 years ago

Solve the problem<br> -4p - 4p

Minchanka [31]

$\bold{Hey\ there!}$

$\bold{-4p - 4p = \ ?}\\\ \bold{-4 - 4 = -8}\\\bold{-p - p = -p}\\\bold{-4p - 4p=\underline{-8p}}\\\boxed{\boxed{\bold{Answer: -8p}}}\checkmark$

$\text{\bold{Good luck on your assignment and enjoy your day!}}$

~ $\frak{LoveYourselfFirst:)}$

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3 years ago

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sasho [114]

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