2 years ago

What percent of computers sold on weekdays were sold on Tuesday? Round to the nearest percent.

Mathematics

1 answer:

BlackZzzverrR [31]2 years ago

3 0

Answer:

there isn't a difference they both have 20 so it will be the same

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Which equation represents a circle that contains the point (-5, -3) and has a center at (-2, 1)?

Daniel [21]

The correct answer is: (x + 2)^2 + (y - 1)^2 = 25

Step-by-step explanation:

Given

Point on circle = P = (-5,-3)

Centre = C = (-2,1)

The distance between C and P is the radius of circle.

So,

$CP = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\\= \sqrt{(-5+2)^2+(-3-1)^2}\\=\sqrt{(-3)^2+(-4)^2}\\= \sqrt{9+16}\\=\sqrt{25}\\=5\ units$

Hence,

r = 5 units

The general form of equation of circle is:

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

Here (h,k) are the coordinates of circle

(h,k) = (-2,1)

Putting the values in standard equation

$(x-(-2))^2+(y-1)^2 = (5)^2\\(x+2)^2+(y-1)^2 = 25$

Hence,

The correct answer is: (x + 2)^2 + (y - 1)^2 = 25

Keywords: Circle, equation of circle

Learn more about equation of circle at:

#LearnwithBrainly

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3 years ago

Given: f(x) = 2x2 + 4x + 5,<br> f(a) = ?

Drupady [299]

Answer:

f(a) = 2a² + 4a + 5

Step-by-step explanation:

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2 years ago

What is the surface area of a sphere with a radius of 11 centimeters?

GuDViN [60]

Here is your ANSWER

A≈1520.53cm²

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Anestetic [448]

It's a rational number

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Write these polynomials in standard form<br> 1). 5x^2- 15+7<br> 2.) 4 + 8n- 3n^4＋ 10n2

gayaneshka [121]

Answer:

1. $5x^{2} - 8$

2. $NaN-16$

Step-by-step explanation:

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1 year ago