3 years ago

Which equation can be used to determine the distance between the origin and (-2,-4)?

Mathematics

2 answers:

mariarad [96]3 years ago

4 0

Answer:

Step-by-step explanation:

Olegator [25]3 years ago

3 0

So the right answer is of option B..

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8. Of the 400 employees, 5% of them are managers. How many managers does the zoo employ?

evablogger [386]

Zoo will hires 8 managers

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3 years ago

Which pair of variables would most likely have approximately zero correlation?

pentagon [3]

C.the height of a student and the the day of a month a student was born

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The population of a town is increasing by 300 inhabitants each year. If its population at the beginning of 1990 was 21,152, what

babunello [35]

Answer:

Step-by-step explanation:

You take the starting year of 1990 and subtract it from 1999 to get the year span of 9,

You then take the amount per year the population goes up by which is 300, so 300 multiplied by 9 is 2,700

You add 2,700 to 21,152 to get B-23,852

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4 years ago

5. Trista has of a yard of ribbon to use for making decorative frames. If one frame used

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6. a semicircle has as its diameter the hypotenuse of a right triangle shown below. determine the area of the semicircle to the

jeyben [28]

Answer:

$A = 137.3cm^2$

Step-by-step explanation:

Given

See attachment

Required

The area of the semicircle

First, we calculate the hypotenuse (h) of the triangle

Considering only the triangle, we have:

$\cos(68) = \frac{7}{h}$ --- cosine formula

Make h the subject

$h = \frac{7}{\cos(68)}$

$h = \frac{7}{0.3746}$

$h = 18.7$

The area of the semicircle is then calculated as:

$A = \frac{\pi h^2}{8}$

This gives:

$A = \frac{3.14 * 18.7^2}{8}$

$A = \frac{1098.03}{8}$

$A = 137.3cm^2$

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3 years ago