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3 years ago

Heya~

Mathematics

2 answers:

exis [7]3 years ago

8 0

The answer to this question is 3744.

eduard3 years ago

7 0

Answer:

312x12 or $2^{5} *3^{2}*13$

is 3744

Step-by-step explanation:

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Math drawing geometry help.. please x.x ill reward thank you im stuck on this too

Alisiya [41]

a=(4,1) b=(4,3) c=(8,2) d=(8,0) i think i havent done these in a while

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3 years ago

Using the following equation, find the center and radius of the circle. You must show all work and calculations to receive credi

adoni [48]

Answer:

$r = 4$

The center is:

(2, -4)

Step-by-step explanation:

We have the following equation

$x^2 - 4x + y^2 + 8y = -4$

The general equation of a circle has the following form

$(x-h)^2 + (y-k)^2 = r^2$

Where r is the radius and the point (h, k) is the center of the circle

To transform the given equation in the general equation of a circumference we must use the method of square completions

Step 1

$(x^2 - 4x) + (y^2 + 8y) = -4$

Step 2

Add and subtract $(\frac{b}{2})^2$ For an equation of the form

$ax^2 +bx +c$

$(x^2 - 4x +4)-4 + (y^2 + 8y +16) -16= -4$

Step 3 Factor the expressions within the parentheses

$(x-2)^2-4 + (y+4)^2 -16= -4$

Step 4 Simplify

$(x-2)^2 + (y+4)^2= -4+16+4$

$(x-2)^2 + (y+4)^2= 4^2$

Finally

$r = 4$

The center is:

(2, -4)

7 0

3 years ago

1. When you multiply an equation by a value, are you changing the solutions of that equation? Explain. 44 POINTS!!

jolli1 [7]

Answer: Yes. When you solve your equations, you're solutions will change a little bit. It's good because it'll give you the right answer.

I hope this helps you and I hope it's right. ☺

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3 years ago

each of the letters of the word ALABAMA is written on a piece of paper and then put into a bag. A piece of paper is drawn at ran

Yanka [14]

Answer:

P(A) = 0.57 (to the nearest hundredth)

Step-by-step explanation:

There are 7 letters in total

4 of them are the letter A

⇒ P(A) = 4/7

= 0.5714285714...

= 0.57 (to the nearest hundredth)

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3 years ago

What is true about the relationship

irga5000 [103]

Something true about the relationship is answer choice 2 & 3.

Hope it helps!

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3 years ago