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2 years ago

Divide 63 in the ratio 5:4=

Mathematics

1 answer:

Zarrin [17]2 years ago

6 0

Answer:

35:28

Step-by-step explanation:

answer attached

hope this helps!

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this circle has a diameter of 5 inches which of these measurements is closest to the circumference of the circle 15.7 7.85 31.4

nirvana33 [79]

Answer:

The closest measurement is 15.7

Step-by-step explanation:

The formula for circumference is $2\pi r$

The diameter is double the radius, so to get the radius we divide by 2.

5 divided by 2 is 2.5

Knowing "r" is 2.5 we can plug that into our equation and solve.

2 · $\pi$ · 2.5 ≈ 15.71

The closest measurement is 15.7

6 0

3 years ago

What is the difference?

Serhud [2]

Answer:

The option $\frac{(x+5)(x+2)}{x^3-9x}$ is correct

The difference of the given expression is

$\frac{2x+5}{x^2-3x}-(\frac{3x+5}{x^3-9x})-({\frac{x+1}{x^2-9})=\frac{(x+5)(x+2)}{x^3-9x}$

Step-by-step explanation:

Given expression is $\frac{2x+5}{x^2-3x}-(\frac{3x+5}{x^3-9x})-({\frac{x+1}{x^2-9})$

To find the difference of the given expression as below :

$\frac{2x+5}{x^2-3x}-(\frac{3x+5}{x^3-9x})-({\frac{x+1}{x^2-9})$

$=\frac{2x+5}{x(x-3)}-(\frac{3x+5}{x(x^2-9)})-({\frac{x+1}{x^2-9})$

$=\frac{2x+5}{x(x-3)}-(\frac{3x+5}{x(x^2-3^2)})-({\frac{x+1}{x^2-3^2})$

$=\frac{2x+5}{x(x-3)}-(\frac{3x+5}{x(x-3)(x+3)})-({\frac{x+1}{(x-3)(x+3)})$

( using the formula $a^2-b^2=(a+b)(a-b)$ )

$=\frac{2x+5(x+3)-(3x+5)-x(x+1)}{x(x-3)(x+3)}$

$=\frac{2x^2+6x+5x+15-3x-5-x^2-x}{x(x-3)(x+3)}$ (adding the like terms)

$=\frac{x^2+7x+10}{x(x^2-9)}$ ( by factoring the quadratic polynomial )

$=\frac{(x+5)(x+2)}{x^3-9x}$

Therefore $\frac{2x+5}{x^2-3x}-(\frac{3x+5}{x^3-9x})-({\frac{x+1}{x^2-9})=\frac{(x+5)(x+2)}{x^3-9x}$

Therefore the difference of the given expression is

$\frac{(x+5)(x+2)}{x^3-9x}$

Therefore option $\frac{(x+5)(x+2)}{x^3-9x}$ is correct

8 0

3 years ago

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IRISSAK [1]

Sorry can’t help idk

4 0

3 years ago

A copy machine makes 36 copies per min him many copies does it make in 3 mins and 45 seconds

ladessa [460]

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3 years ago

Which of the following functions has the greatest y-intercept?

Evgen [1.6K]

G(x) because it has a y intersect of 5 but f(x) only 3

3 0

3 years ago

Divide 63 in the ratio 5:4=​

Divide 63 in the ratio 5:4=