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Reika [66]
3 years ago
15

Don’t understand this one

Mathematics
2 answers:
nekit [7.7K]3 years ago
6 0
For this case, the first thing you should know is that they are giving you the area of a quarter of a circle.
 We have then:
 A1 / 4 = 30.25pi cm ^ 2
 What you must do to find the area of the shaded region, is to subtract the area from the triangle.
 We have then:
 At = (1/2) * (11) * (11)
 At = 60.5 cm ^ 2
 The area of the shaded region is:
 A = A1 / 4 - At = 30.25pi cm ^ 2 - 60.5 cm ^ 2
 A = (30.25pi - 60.5) cm ^ 2
 Answer:
 
A = (30.25pi - 60.5) cm ^ 2
 
option 3
mafiozo [28]3 years ago
4 0
I don’t either ask someone else thanks
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Pls help quick 10 points
scZoUnD [109]

Answer:

6.86 to 2DP.

Step-by-step explanation:

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4 years ago
The sum of two consecutive mile markers on the interstate is 417417. Find the numbers on the markers
noname [10]

Hello from MrBillDoesMath!

Answer:

The first marker is labeled 208708; the second (consecutive) one 208709                  


Discussion:

Call the first mile marker "m". Then

m + (m+1) = 417417            => combine like terms

2m + 1 = 417417                 => subtract 1 from both sides

2m =  417416                     => divide both sides by 2

m  = 417416/2  = 208708                  

Note: m and (m+1) are consecutive as they immediately follow each other in the set of integers.

Thank you,

MrB

5 0
3 years ago
1. A bicycle that normally sells for $150 is on sale of 35% off. What is the sale price of the bicycle?
Ivan

Answer:

The sale price would be $102.50

Step-by-step explanation:

To find this amount, start by multiplying the price by the sale percentage,

$150 * 35% = $47.50

Now subtract that amount from the original.

$150 - $47.50 = $102.50

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3 years ago
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