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pochemuha
3 years ago
5

Please help this is urgent!! Will mark brainliest!

Mathematics
2 answers:
Kisachek [45]3 years ago
8 0

Answer:

602.88 in^2

Step-by-step explanation:

A=2πrh+2πr^2

A=2(3.14)(6)(10)+2(3.14)(6^2)

A=376.8+226.08

A=602.88

Nataly [62]3 years ago
4 0

Answer:

C

Step-by-step explanation:

2·π·6·10+2·π·6^2

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andreev551 [17]
All you've got to do is some simple algebra! When you solve for a variable, you are trying to get it alone on one side of the equation. So, we want something that looks like y = ...

First, add 21x to both sides of the equation. This will cancel out the -21x on the left side.
-21x + 3y = 6
-21x + 3y + 21x = 6 + 21x
3y = 21x + 6

Now, to get y alone, divide both sides of the equation by 3. This will cancel out the coefficient of 3 on the left side.
3y = 21x + 6
(3y)/3 = (21x + 6)/3
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There's the answer. Hope that helps! :)
3 0
3 years ago
What is the length of segment KR?<br><br> A. 3 mm<br> B. 7 mm<br> C. 8.6 mm<br> D. 17.2 mm
marshall27 [118]

Answer:

Option D. KR=17.2\ mm

Step-by-step explanation:

we know that

The Centroid of a Triangle is the center of the triangle that can be calculated as the point of intersection of all the three medians of a triangle. The centroid divides each median in a ratio of 2:1

In this problem the point R represent the centroid of triangle JKL

therefore

KR=(2/3)KM

substitute the value

KR=(2/3)(25.8)=17.2\ mm

3 0
3 years ago
Read 2 more answers
Please help me? I am confused.​
Sergio [31]

Answer:

It's a photo of the problem. It's not a spam. Just so you could be sure. ;-)

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3 0
3 years ago
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the circular stone mound in Ireland called Newgrange has a diameter of 250 feet. A passage 62 feet long leads toward the center
wolverine [178]
The complete question in the attached figure

we know that
If two chords intersect in the interior of a circle, then the product of the lengths of the segments of one chord is equal to the product of the lengths of the segments of the other chord (Segments of Chords Theorem)

therefore

AB*BC=DB*BE
AB=x
BC=x
DB=62
BE=250-62---------> BE=188 ft

so
x*x=62*188----------> x²=11656--------> x=√11656--------> x=107.96 ft

the answer is x=107.96 ft

4 0
4 years ago
Pls I need help<br> Solve <br> x-4=⅓(6x-54)
Aleks04 [339]

Answer:

x=14

Step-by-step explanation:

x-4=⅓(6x-54)

x-4=2x-18

x+14=2x

x=14

5 0
3 years ago
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