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3 years ago

Factor the expression using the GCF 16x+56y

Mathematics

2 answers:

Vlad1618 [11]3 years ago

7 0

Answer:

8(2×+7y)

Step-by-step explanation:

8 is the largest factor

Zolol [24]3 years ago

6 0

8(2x + 7y)

8 is the largest number divisible by both 16 and 56

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The synthesis of a large collection of information that contains well-tested and verified hypotheses about certain aspects of th

djyliett [7]

Answer:

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3 years ago

A grade has 81 girls and 72 boys. The grade is split into groups that have the same ratio of girls to boys as the whole grade. H

Aloiza [94]

Answer:

Pretty sure it is 18 girls

Step-by-step explanation:

81 girls: 72 boys

72 boys /16 boys = 4.5

81 girls / 4.5= 18 girls

so 18 girls:16 boys

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3 years ago

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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)

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3 years ago

What is the approximate speed the ship is traveling in yards per second?

Lisa [10]

20 x 1.151 would be 23.02 but rounded it would be 23 I think

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4 years ago