What are the answers?

Mathematics

2 answers:

jek_recluse [69]3 years ago

4 0

Answer:

Perimeter: 32x+64

Factored: 32 (x+2)

8_murik_8 [283]3 years ago

3 0

Answer:

Step-by-step explanation:

4(8x+16) = 32x + 64 = perimeter

(Sorry don't know what it means by factor)

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Factor each expression 30+10x-40y

Sergio039 [100]

Hello!

To factor you find the biggest number they can be divided by

The biggest number that all the number can be divided by is 10

You put that outside parenthesis

10()

Divide the expression by 10

3 + x - 4y

Put the two together

10(3 + x + 4y)

Hope this helps!

4 0

3 years ago

Please help! 9. What is the x intercept

spayn [35]

Answer: -7

When does the line cross the x-axis?

(Same thing as x-intercept)

3 0

3 years ago

Read 2 more answers

Mrs. culland is finding the center of a circle whose equation is x2 y2 6x 4y – 3 = 0 by completing the square. her work is shown

Flura [38]

By completing squares, we will see that the center of the given circle is at (-3, -2).

<h3>How to find the center of the circle?</h3>

The general circle equation centered on (a, b) of radius R is:

$(x - a)^2 + (y - b)^2 = R^2$

In this case, our equation is:

$x^2 + y^2 + 6x + 4y - 3 = 0$

First, we need to complete squares, we will have:

$x^2 + 2*3*x + y^2 + 2*2*y - 3 = 0\\\\x^2 + 2*3*x + (9 - 9) + y^2 + 2*2*y + (4 - 4) - 3 = 0\\\\(x^2 + 2*3*x + 9) - 9 + (y^2 + 2*2*y + 4) - 4 - 3 = 0\\\\(x + 3)^2 + (y + 2)^2 = 3 + 9 + 4 = 16$