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3 years ago

7

abigail's grandmother gave her a square shaped quilt that was made up of 256 small squares how many squares are on each side of

the quilt

2 answers:

Goryan [66]3 years ago

4 0

There is 16 squares on each side for 16 times 16 is 256

Over [174]3 years ago

3 0

The possible answer is 256 squares each side

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Question 18 A block has a volume of 12 cm3 and a density of 25 g/cm. Calculate the mass.

EastWind [94]

Answer:

300 g

Step-by-step explanation:

Mass = volume * density

Mass = 12*25 = 300 g

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3 years ago

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Describe how a company that produce earphones can design a survey

DiKsa [7]

First of all this survey need to be <span>anonymous. The company need to know the population whom the survey is addressed. So, I think the following questions can be a good example:

1. </span><span>Where do you usually use earphones? (Please select all that apply) 
</span><span>library
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2. What are the purposes you use earphones? (Please select all that apply)</span><span> learn language
listen to music
watch video
privacy concerns(show ‘don’t bother me’)
for beauty
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circumaural
supra-aural
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<span>4. What are the reasons make you like the earphone you chose in question 3? (Please select all that apply) <span>
appearance
comfortability
function(plays music well)
brand
price
portability
Other

<span>5. Have you ever felt vulnerable or unsafe while wearing headphones and listening to music because you are not as aware of your surroundings? <span><span>
yes</span><span>
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3 0

3 years ago

Cotpheta•sin2pheta=<br><br>1+cos2pheta<br>1+cospheta<br>1+sin2pheta

3241004551 [841]

Answer:

Step-by-step explanation:

Did you mean.

$= \cot( \theta) . \sin(2 \theta)$

$= \frac{ \cos( \theta) }{ \sin( \theta) } .(2 \sin( \theta) \cos( \theta) )$

$= \frac{2 \sin( \theta) \cos {}^{2} ( \theta) }{ \sin( \theta) }$

$= 2 \cos {}^{2} ( \theta)$

$= 2.(1 - \sin {}^{2} ( \theta) )$

$= 2 - 2 \sin {}^{2} ( \theta)$

No option Solution.

8 0

2 years ago

Emily has a jag of water, a hollow glass cone, and a hollow glass cylinder to conduct an experiment. If the cone and cylinder bo

Marta_Voda [28]

Answer:

Option H. The cone must be filled with water and emptied into the cylinder three times in order to fill the cylinder with water. Therefore The volume of a cone is one-third the volume of the cylinder

Step-by-step explanation:

we know that

<em>The volume of the cone is equal to</em>

$Vcone=\frac{1}{3}\pi r^{2} h$

<em>The volume of the cylinder is equal to</em>

$Vcylinder=\pi r^{2} h$

therefore

In this problem

$Vcylinder=3Vcone$

the volume of the cylinder is three times the volume of the cone

or

$Vcone=\frac{1}{3}Vcylinder$

The volume of the cone is one-third the volume of the cylinder

4 0

4 years ago

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Find m∠H What does m∠H happened to equal

Tom [10]

Answer:

30 degrees

Step-by-step explanation:

The things we do have and want to find are as follows:

- We know that this is a right triangle, and one angle is 90 degrees

- We want to find an angle

- Relative to that angle, we are given an adjacent side as well as the hypotenuse

One equation that encompasses this is cos(θ) = adjacent/hypotenuse, so

cos(m∠H) = 10√3 / 20

For an equation of form cos(x) = y, we can say that arccos(y) = x. Therefore, we can write our equation as

m∠H = arccos(10√3 / 20)

m∠H = 30 degrees

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3 years ago