3 years ago

What is a phrase for 3•n/8

Mathematics

1 answer:

SIZIF [17.4K]3 years ago

6 0

Answer:

3 times n divided by 8

Step-by-step explanation:

Is that what you need if not I will change the answer

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A computer and printer cost a total of $1284. The cost of the computer is three times the cost of the printer. Find the cost of

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Step-by-step explanation:

1284 x 3 = 3852

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3 years ago

A = 1 4 π d 2 what is the formula to calculate the diameter of a circle

Anestetic [448]

Answer:

$D=2\sqrt{\frac{A}{\pi}}$

Step-by-step explanation:

we know that

The area of the circle is equal to

$A=\frac{1}{4}\pi D^{2}$

where

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Solve for D

That means-----> Isolate the variable D

Multiply both sides by 4 to remove the fraction

$4A=\pi D^{2}$

Divide both sides by π

$\frac{4A}{\pi}=D^2$

square root both sides

$\sqrt{\frac{4A}{\pi}}=D$

Rewrite

$D=\sqrt{\frac{4A}{\pi}}$

Simplify

$D=2\sqrt{\frac{A}{\pi}}$

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3 years ago

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4 years ago

Factorise the quadratic expression <br>pls help me I'll give brainliest <br>x²+8x-48

pav-90 [236]

$x^2+8x-48\\\\=x^2 + 12x -4x -48\\\\=x(x+12) -4(x+12)\\\\=(x-4)(x+12)$

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3 years ago

I need help with this question.

Kitty [74]

i'm not sure how to solve the first one but the second is 150

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3 years ago