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Molodets [167]
3 years ago
9

Thank you guys for helping me I know I'm being annoying

Mathematics
1 answer:
Ierofanga [76]3 years ago
8 0
A² + b² = c²

c² = 4² + 6.5²

c² = 58.25

c = 7.63

Perimeter = 4 + 6.5 + 7.63 = 18.13 units.

Perimeter after the increase in scale = 18.13 x 4 = 72.52 units.

Answer:  72.52 units
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Find the circumfrerence of the circle r=9
DochEvi [55]

Answer:

about 56.55 (rounded)

Step-by-step explanation:

diameter = 2r

circumfrence = dimeter(pi)

18(pi)

= about 56.55 (rounded)

5 0
3 years ago
2miles less than 3333yards
Bess [88]
To find out what 2 miles minus 3,333 yards is, first what you have to do is convert one unit to the other.  I decided to convert 2 miles into yards.  What you can do is multiple how ever many yards is one mile by two.  So, there are 1,760 yards in 1 mile.  1,760 x 2 is 3,520.  So now we have to subtract 3,520- 3,333.
The answer is 187.

4 0
3 years ago
Change -40° to radians.<br><br><br> A). 2π/9<br><br> B). -2π/9<br><br> C). 4π/9<br><br> D). -4π/9
Inessa05 [86]
To solve this, we are going to multiply our degrees by a conversion factor. Remember that 1°=\frac{ \pi }{180}, so to convert -40° to radians, we are going to multiply -40° by the conversion factor \frac{ \pi }{180}; that way we can cancel degrees and express our answer in radians:

(-40°)(\frac{ \pi }{180} )= -\frac{2 \pi }{9}

We can conclude that the correct answer is: <span>B). -2π/9</span>
3 0
3 years ago
Can someone help me
Komok [63]
114.6 \times .066 = 7.5636 \\ 8
I'm not sure if this is right. I didn't feel confident with my answer.
6 0
3 years ago
What's the explicit formula for the sequence :")
zzz [600]

Hello from MrBillDoesMath!

Answer:

a(n) = 12 - 3(n-1)          , n = 1,2,3.,,



Discussion:

The terms are 12, 9, 6, 3  so we are apparently subtracting 3 from each succeeding term. . Hence

a(n) = 12 - 3(n-1)          , n = 1,2,3.,,


Thank you,

MrB

7 0
3 years ago
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