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3 years ago

An umbrella in the same picture is 5cm long. What is the actual length of the umbrella

Mathematics

1 answer:

emmasim [6.3K]3 years ago

4 0

Answer:

Not possible to answer from the given information

Step-by-step explanation:

Without the picture this cannot be answered

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The figures below are based on semicircles and squares. Find the perimeter and the area of each shape. Give your answer as a com

irina1246 [14]

Answer:

Part 1) The area of the figure is $A=48\ cm^2$

Part 2) The perimeter of the figure is $P=4(2+3\pi)\ cm$

Step-by-step explanation:

Part 1) Find the area of the figure

we know that

The area of the figure is equal to the area of three squares

$A=3[4^2]=48\ cm^2$

Part 2) Find the perimeter of the figure

we know that

The perimeter of the figure is equal to two times the length side of the square, plus the circumference of six semicircles ( or the circumference of three circles)

Remember that

The circumference of a circle is equal to

$C=\pi D$

where

D is the diameter of the circle

In this problem

$D=4\ cm$

$P=2(4)+3[\pi(4)]=(8+12\pi)\ cm$

simplify

$P=4(2+3\pi)\ cm$

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3 years ago

A cylindrical well has a radius of 8 feet and a height of 13 feet. What is the volume of the well? Use 3.14 for pi. Round your a

Murrr4er [49]

Answer:

using pi *r^2 *h

volume = 2614.14 cubic ft

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3 years ago

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When Maxwell solved his equation, he got 5=5. If he did everything correctly, what does this solution tell him?

hodyreva [135]

Answer: that the solution is true

Step-by-step explanation: if you get something like 10=10 it’s true but if you get like 4= 7 it’s false

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3 years ago

Factorise p^2 + 30p

Amanda [17]

Answer:

Step-by-step explanation:

hello :

p²+30p = p(p+30)

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4 years ago

Describe some everyday situations in which you need to change fractions to decimals

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there is a sale on a shirt for 1/3 off, but the shirt costs 5 dollars. You would then need to convert the fraction to a decimal to find the percentage you would get off of the original price.

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3 years ago