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4 years ago

Explain what it means when an angle has radian measure 1

Mathematics

1 answer:

xenn [34]4 years ago

6 0

Answer:

1 radian has degree measure (180/)°. Likewise, and angle of size 1° has radian measure /180. We can now easily obtain a formula to convert from degrees to radians and vice-versa.

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Several students were surveyed about their favorite class. The results are art 26, English 19, math 21 music 16 and science 32.

SOVA2 [1]

Art class / all classes = 16 / (26 + 19 + 21 + 16 + 32) = 16/114 = 8/57

6 0

3 years ago

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(3xy^3)^2 (xy)^6 simplify the expression

solong [7]

9x8y12 it a lot of work to do so I don't want to type how to do the problem

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4 years ago

The CEO of a large corporation asks his Human Resource (HR) director to study absenteeism among its executive-level managers at

Fynjy0 [20]

Answer:

Following are the answer to this question:

Step-by-step explanation:

Given:

n = 30 is the sample size.

The mean $\bar X$ = 7.3 days.

The standard deviation = 6.2 days.

df = n-1

$= 30-1 \\ =29$

The importance level is $\alpha$ = 0.10

The table value is calculated with a function excel 2010:

$= tinv (\ probility, \ freedom \ level) \\= tinv (0.10,29) \\ =1.699127\\ = t_{al(2x-1)}= 1.699127$

The method for calculating the trust interval of 90 percent for the true population means is:

Formula:

$\bar X - t_{al 2,x-1} \frac{S}{\sqrt{n}} \leq \mu \leq \bar X+ t_{al 2,x-1} \frac{S}{\sqrt{n}}$

$=\bar X - t_{0.5, 29} \frac{6.2}{\sqrt{30}} \leq \mu \leq \bar X+ t_{0.5, 29} \frac{6.2}{\sqrt{30}}\\\\=7.3 -1.699127 \frac{6.2}{\sqrt{30}}\leq \mu \leq7.3 +1.699127 \frac{6.2}{\sqrt{30}}\\\\=7.3 -1.699127 (1.13196)\leq \mu \leq7.3 +1.699127 (1.13196) \\\\=5.37 \leq \mu \leq 9.22 \\$

It can rest assured that the true people needs that middle managers are unavailable from 5,37 to 9,23 during the years.

7 0

3 years ago

Gments on the

Amiraneli [1.4K]

Answer:

– 6x – 2x = 16

-8x = 16

x = 16/-8 = -2

3(3x – 6) = 18

9x - 18 = 18

9x = 18 + 18 = 36

x = 36/9 = 4

C) ASSUMING YOU MADE AN ERROR BY WRITING 0 INSTEAD OF (

5(2x + 3) =-4(-5 – 2x)

10x + 15 = 20 + 8x

10x - 8x = 20 - 15

2x = 5

x = 5/2

12x =

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3 years ago

Solve.<br><br> −24 − 4(x + 2) = 4x

aliina [53]

-24 - 4(x + 2) = 4x Use the Distributive Property
-24 - 4x - 8 = 4x Combine like terms (-24 and -8)
-32 - 4x = 4x Add 4x to both sides
-32 = 8x Divide both sides by 8
-4 = x Switch the sides to make it easier to read
x = -4

4 0

4 years ago

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