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3 years ago

11) If the point (2, -5) is reflected in the line y=x, then

Mathematics

1 answer:

svet-max [94.6K]3 years ago

6 0

(-2,5) ... not sure what “if noun 4’ means”

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Find the radius of the circle whose equation is 3x² + 3y² = 75.

Flauer [41]

Answer:

Step-by-step explanation:

The equation of a circle:

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

(h, k) - center

r - radius

We have the equation:

$3x^2+3y^2=75$ <em>divide both sides by 3</em>

$x^2+y^2=25\to r^2=25\to r=\sqrt{25}\to r=5$

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3 years ago

What is the degree of this polynomial? 5/7y^3+5y^2+y+1

koban [17]

The degree of polynomial is the largest exponent in the given expression or equation.

So, therefore, the degree of the polynomial is 3.

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jeka94

Answer:

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Step-by-step explanation:

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4 years ago

Find the median and mode of this set of data 5 , 1, 3, 5, 8 , 10, 8, 14

kobusy [5.1K]

Answer:

Mode: 5 and 8

Median: 6.5

Step-by-step explanation:

Mode - the number that appears the most in a set of data. There may be no mode ( when no number out numbers the others) or multiple modes ( multiple numbers appear the same number of times). Both 5 and 8 appear twice in this set.

Median - The middle number. To start, order your numbers from least to greatest.

1, 3, 5, 5, 8, 8, 10, 14

You have an even set of numbers (8 in total), which means there won't be one number left in the middle. In this situation, there are two: 5 and 8. So you just need to add them together and divide by 2

8 + 5 = 13

13/ 2 = 6.5

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masya89 [10]

There two zero’s hopefully

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3 years ago