3 years ago

The sales tax in your city is %8.8, point, percent, and an item costs \$63$ before tax.

Mathematics

1 answer:

Flura [38]3 years ago

7 0

Answer:

$68.54

Step-by-step explanation:

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The equation is a scientific law, Newton's Law of Gravity,

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3 years ago

Jenna saves $3 for every $13 she earns. Vanessa saves $6 for every $16 she earns. Is Jenna’s ratio of money saved to money earne

Alexxx [7]

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Step-by-step explanation:

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3 years ago

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Anika [276]

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3 years ago

Find an equation for those points P such that the distance from P to A(0, 1, 2) is equal to the distance from P to B(6, 4, 2). W

suter [353]

Answer: The required equation for points P is $4x+2y=17.$

Step-by-step explanation: We are give two points A(0, 1, 2) and B(6, 4, 2).

To find the equation for points P such that the distance of P from both A and B are equal.

We know that the distance between two points R(a, b, c) and S(d, e, f) is given by

$RS=\sqrt{(d-a)^2+(e-b)^2+(f-c)^2}.$

Let the point P be represented by (x, y, z).

According to the given information, we have

$PA=PB\\\\\Rightarrow \sqrt{(x-0)^2+(y-1)^2+(z-2)^2}=\sqrt{(x-6)^2+(y-4)^2+(z-2)^2}\\\\\Rightarrow x^2+y^2-2y+1+z^2-4z+4=x^2-12x+36+y^2-8y+16+z^2-4z+4~~~~~~~[\textup{Squaring both sides}]\\\\\Rightarrow -2y+1=-12x-8y+52\\\\\Rightarrow 12x+6y=51\\\\\Rightarrow 4x+2y=17.$

Thus, the required equation for points P is $4x+2y=17.$

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3 years ago

What is the product in simplest form? −8/9⋅5/6 <br> A.−1 <br> B.−13/15 <br> C.−20/27 <br> D.−15

nalin [4]

The answer is C.
hope this helps!

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3 years ago

Read 2 more answers