I can someone how to do this plzzz

Mathematics

1 answer:

Aleonysh [2.5K]3 years ago

5 0

Its D .HOPE IT HELPS !

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Solve for x. <br><br> a²x+(a-8)=(a+8)x

Sergio [31]

$a^2x+(a-8)=(a+8)x\\\\(a+8)x=a^2x+(a-8)\ \ \ \ |subtract\ a^2x\ from\ both\ sides\\\\(a+8)x-a^2x=a-8\\\\(a+8-a^2)x=a-8\ \ \ \ |divide\ both\ sides\ by\ (a+8-a^2)\\\\\huge\boxed{x=\frac{a-8}{a+8-a^2}}\to\huge\boxed{x=\frac{8-x}{a^2-a-8}}$

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3 years ago

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Find the area of the smaller sector

Digiron [165]

Since the radius is 6 inches, the area is

$A=\pi r^2=36\pi$ squared inches.

Now, the full circle is a sector given by a 360° angle. So, the area of a 140° angle will be proportionate:

$140\div x = 360\div 36\pi$

Solving for $x$ , we have

$x=\dfrac{36\pi\cdot 140}{360}=14\pi$

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3 years ago

When dividing 250,000 by 100, the digits in the quotient move how many places to the right?

Zanzabum

When dividing 250,000 by 100, the digits in the quotient move by 2 places to the right.

<u>Step-by-Step explanation:</u>

Here we have , to find out that When dividing 250,000 by 100, the digits in the quotient move how many places to the right . Let's find out:

⇒ dividing 250,000 by 100

⇒ 250,000 / 100

⇒ $\frac{250000}{100}$

⇒ $\frac{2500(100)}{100}$

⇒ $2500$

Initially we had 250,000 of 6 digits and now after dividing 250,000 by 100, we have 2500 of 4 digits ! So , Number of places quotient shift to right is:

⇒ $6-4$