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4 years ago

Find the radius of the circle whose equation is (x + 5)2 + (y + 8)2 = 16

Mathematics

1 answer:

Oxana [17]4 years ago

6 0

The radius is 4.

Find the radius of the circle whose equation is (x + 5)2 + (y + 8)2 = 16

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At a birthday party there were 20 balloons. A few of the kids decided to pop b balloons so the parents blew up another 6 balloon

notsponge [240]

The expression could be: (20-b)+6

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3 years ago

How do I graph this?

nirvana33 [79]

Your slope is -2 for every 5 and your y intercept is 2

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4 years ago

Read 2 more answers

Simplify 13√5 +3√5<br> √21<br><br> √26<br><br> 16√5<br><br> 16√10

Aliun [14]

Answer:

16√5

Step-by-step explanation:

$13 \sqrt{5} + 3 \sqrt{5} \\ \\ = (13 + 3) \sqrt{5} \\ \\ = 16 \sqrt{5}$

3 0

3 years ago

Which expression is equivalent to the following complex fraction?

True [87]

Answer:

Step-by-step explanation:

Given the complex fraction;

$-\frac{2}{x} +\frac{5}{y} / \frac{3}{y} - \frac{2}{x} \\$

First we will find the LCM of the numerator and the denominator as shown below;

$\frac{-2y+5x}{xy} /\frac{3x-2y}{xy}$

Then we divide both equation by multiplying the numerator by the reciprocal of the denominator as shown;

$= \frac{-2y+5x}{xy} * \frac{xy}{3x-2y} \\= \frac{-2y+5x}{3x-2y} \\$

This gives the required answer

5 0

3 years ago

Calculate the area of the square. Round to the nearest hundredt)

noname [10]

Answer:

144

Step-by-step explanation:

In a 45-45-90 triangle, the ratio of the lengths of the sides is:

leg : leg : hypotenuse

1 : 1 : sqrt(2)

Draw a segment from the center point to the bottom side of the square that is perpendicular to the bottom side. Now you have a right triangle. The hypotenuse is 6sqrt(2). The legs are 6. The bottom leg is half the side of the square.

side of square = 2 * 6 = 12

area = side^2 = 12^2 = 144

8 0

3 years ago