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3 years ago

Calculate the volume of the cylinder.Round your answer to the nearest hundredth 6cm height and 2cm width

2 answers:

5 0

Assuming width=diameter
diameter/2=radius

area=hpir^2

w=d=2
d/2=2/2=1=r
h=6

area=6pi1^2
area=6pi1
area=6pi
aprox pi=3.141592
area=18.85 cm³

babymother [125]3 years ago

3 0

Answer:

$18.5cm^3$

Step-by-step explanation:

We need to calculate the volume of cylinder which is $v=\pi\cdot r^2\cdot h$

Here, width is given which is 2cm and width is at the base of cylinder which is diameter since, base of cylinder is circular.

Hence, radius is 1 being half of diameter

And height is 6cm

substituting the values in the formula we will get

$V=\pi\cdot1^2\cdot6=18.84=18.5cm^3$

Taking $\pi=3.14$

Hence, Volume of cylinder is $18.5cm^3$

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A home Improvement store advertises 60 ft.² of flooring for 287.00 including an 80.00 installation fee write an equation to repr

anastassius [24]

Answer:

$cost = \frac{287}{60} +80$

Step-by-step explanation:

So, for 60 square feet they charge = 287

So, for 1 square foot they charge = $\frac{287}{60}$

If they charge the installation fee this becomes = $\frac{287}{60} +80$

We can write an equation to calculate cost by using this $=\frac{287}{60} x +80$

Where x is the amount of square foot

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2 years ago

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Nostrana [21]

Answer:

4(9a - 4)

Step-by-step explanation:

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7 0

2 years ago

Read 2 more answers

Is 336 − –5,083 positive or negative?

Vesna [10]

Answer:

positive

Step-by-step explanation:

if you subtract a negative number, it’s the same as adding a positive number. If you add 2 positive numbers, you get a positive number, so the expression is positive.

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1 year ago

Read 2 more answers

(a) Find the size of each of two samples (assume that they are of equal size) needed to estimate the difference between the prop

zalisa [80]

Answer:

(a) The sample sizes are 6787.

(b) The sample sizes are 6666.

Step-by-step explanation:

(a)

The information provided is:

Confidence level = 98%

MOE = 0.02

n₁ = n₂ = n

$\hat p_{1} = \hat p_{2} = \hat p = 0.50\ (\text{Assume})$

Compute the sample sizes as follows:

$MOE=z_{\alpha/2}\times\sqrt{\frac{2\times\hat p(1-\hat p)}{n}$

$n=\frac{2\times\hat p(1-\hat p)\times (z_{\alpha/2})^{2}}{MOE^{2}}$

$=\frac{2\times0.50(1-0.50)\times (2.33)^{2}}{0.02^{2}}\\\\=6786.125\\\\\approx 6787$

Thus, the sample sizes are 6787.

(b)

Now it is provided that:

$\hat p_{1}=0.45\\\hat p_{2}=0.58$

Compute the sample size as follows:

$MOE=z_{\alpha/2}\times\sqrt{\frac{\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})}{n}$

$n=\frac{(z_{\alpha/2})^{2}\times [\hat p_{1}(1-\hat p_{1})+\hat p_{2}(1-\hat p_{2})]}{MOE^{2}}$

$=\frac{2.33^{2}\times [0.45(1-0.45)+0.58(1-0.58)]}{0.02^{2}}\\\\=6665.331975\\\\\approx 6666$

Thus, the sample sizes are 6666.

7 0

2 years ago

the ratio of men to women at a class is 6 to 5 how many women students are there if there are 3600 men

torisob [31]

Ratio is 6:5
6+5=11

Men: 6 parts of 11 = 3600

6=3600
1=x
X=3600/6
=600.

Women: 5 parts of 11
1 part = 600
5 parts = 600x5
=3000

7 0

3 years ago