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Otrada [13]
2 years ago
8

Diameter of a circle is 22yd what is the area

Mathematics
2 answers:
DENIUS [597]2 years ago
5 0
380.13 A=radius squared x pi
larisa86 [58]2 years ago
4 0
The area is 380.13.

To find the area you use the formula pi times radius squared. The radius is half the diameter, in this case 11, so therefore the area is 380.13
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Plz help ASAP WILL MARK BRAINLIEST
Scrat [10]

Answer:

c  = 3a - 2

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4 0
4 years ago
Prior to a special advertising campaign, 23% of all adults recognized a particular companyâs logo. At the close of the campaign
pochemuha

Answer:

The answer is "2.4049"

Step-by-step explanation:

Calculating the test of Hypothesis: H_{0}: 23\% \ \text{off all adults which reconize the compony's logo}\\\\H_{1}: \text{more than 23\% of adult recornise the compony's logo}\\\\

that is

H_{0}: p=0.23\ against \ H_{1}:p>0.01\\\\Z=\frac{P-p}{\sqrt{\frac{p(1-p)}{n}}}\sim N(0,1)\\\\

Given:

p= 0.23\\\\ \therefore \\\\1-p=0.77\\\\n=1200\\\\ P=\frac{311}{1200}=0.2591\\\\\therefore\\\\Z= \frac{0.2591-0.23}{\sqrt{((0.23)\times \frac{(1-0.23))}{1200}}}=2.4049

Z=2.576 tabled value. Because Z is 2.4049, that's less than Z stated, there is no indication that a null hypothesis is rejectable, which means that 23% of all adults record the logo of the Company.

8 0
3 years ago
What does it mean when a variable equals R <br> Like b=R
levacccp [35]

Answer:

Step-by-step explanation:

R=r

7 0
4 years ago
There are 8 cakes and we are dividing them into pieces. Each piece will be ⅕ of a cake. How many pieces will there be in all? Wr
natta225 [31]

Answer:

40

Step-by-step explanation:

8 piece of cakes times 5 pieces per cake = 40 pieces for the total cakes

7 0
3 years ago
How many fourths are in 3 fourths?
Tems11 [23]

Answer:

There are three fourths in 3 fourths

Step-by-step explanation:

Fourth represents \frac{1}{4}

Therefore, 3 fourths will be given as:

3\times (\frac{1}{4}) = \frac{3}{4}

Therefore,

No. of fourths in 3 fourths = \frac{\frac{3}{4}}{\frac{1}{4}}

No. of fourths in 3 fourths = \frac{3}{4}\times \frac{4}{1} = 3

7 0
4 years ago
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