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yan [13]
3 years ago
8

If perimeter of a rectangle is 48 cm.what is the area

Mathematics
2 answers:
anzhelika [568]3 years ago
5 0
48 divide by 4 sides = 12
12 x 12 = 144cm squared
In-s [12.5K]3 years ago
3 0

Answer:

144

Step-by-step explanation:

to get area from perimeter you divide the perimeter by 4 which gives you twelve then you have to square the answer you get which in this case is 12 so that gives you 144 the equation is  12^2

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In the number 7,777. 777, what is the difference between the 7 in the hundreds place and the 7 in the column to its left?.
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The decimal point 7 in the integer 0.07 corresponds to the fraction 7/100. Every position in the decimal system corresponds to a power of 10.

<h3>What is unitary method?</h3>

Area is the entire amount of space occupied by a flat (2-D) surface or an object's shape.

On a sheet of paper, draw a square using a pencil. It has two dimensions. The area of a shape on paper is the area that it occupies.

Consider your square as being composed of smaller unit squares.

The number of unit squares necessary to completely cover the surface area of a specific 2-D shape is used to calculate the area of a figure. Some typical units for measuring area are square cms, square feet, square inches, square meters, etc.

Draw unit squares with 1-centimeter sides in order to calculate the area of the square figures shown below. The shape will therefore be measured.

hence, The decimal point 7 in the integer 0.07 corresponds to the fraction 7/100. Every position in the decimal system corresponds to a power of 10.

learn more about unitary method click here:

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8 months ago
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Natalka [10]

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Step-by-step explanation:

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2 years ago
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Caroline, an employee of Hollister, bought a sweatshirt originally priced at $55 for $38.50 after her employee discount. What pe
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2 years ago
An engineer wishes to determine the width of a particular electronic component. If she knows that the standard deviation is 1.6
nexus9112 [7]

Answer:

n=1705

Step-by-step explanation:

The margin of error is the range of values below and above the sample statistic in a confidence interval.  

Normal distribution, is a "probability distribution that is symmetric about the mean, showing that data near the mean are more frequent in occurrence than data far from the mean".  

Assuming the X follows a normal distribution  

X \sim N(\mu, \sigma=1.6)  

And the distribution for \bar X is:

\bar X \sim N(\mu, \frac{1.6}{\sqrt{n}})  

We know that the margin of error for a confidence interval is given by:  

Me=z_{\alpha/2}\frac{\sigma}{\sqrt{n}}   (1)  

The next step would be find the value of \z_{\alpha/2}, \alpha=1-0.99=0.01 and \alpha/2=0.005  

Using the normal standard table, excel or a calculator we see that:  

z_{\alpha/2}=\pm 2.58  

If we solve for n from formula (1) we got:  

\sqrt{n}=\frac{z_{\alpha/2} \sigma}{Me}  

n=(\frac{z_{\alpha/2} \sigma}{Me})^2  

And we have everything to replace into the formula:  

n=(\frac{2.58(1.6)}{0.1})^2 =1704.03  

And if we round up the answer we see that the value of n to ensure the margin of error required \pm=0.1 mm is n=1705.  

6 0
2 years ago
How do I do this? Please help instead of just an answer. Brainliest.
nasty-shy [4]

5, 10, 15, 20, 5n, 470

You just need to multiply the value by 5.

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2 years ago
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