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MrRa [10]
3 years ago
15

Find the surface area of the prism.

Mathematics
1 answer:
egoroff_w [7]3 years ago
4 0

Answer:

Total Surface Area: 166cm²

Step-by-step explanation:

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The answer will be A. 471/11. Hope it help!
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In an arithmetic sequence, = 5 and = 11.
Free_Kalibri [48]

Answer:

1134.62 (THE SUM OF 20 TERMS)

Step-by-step explanation:

First we write out our given information:

a8=2a2

a11=18

an is an arithmetic sequence.

Where here an means the nth term of our sequence.

What does an arithmetic sequence mean? It means to get to the next term in your sequence you add a constant (c) each time:

an+1=an+c

Equivalently:

an+1−an(n+1)−n=c

So an is of slope c (c2 is another constant):

an=cn+c2

Where here c2=a0 (Substitute in n=0 and see why that has to be the case if we let a0 exist)

Now we use the other given information to try to come up with a solution.

Let n=2:

a2=2c+c2

Let n=8, using the above equation we have:

a8=8c+c2=2a2=4c+2c2

Let n=11

a11=18

a11=11c+c2

But a11−a8=(11c+c2)−(8c+c2)=3c

Hence, a11=3c+a8

a11=3c+4c+2c2=18

a11=3c+8c+c2=18

5 0
2 years ago
Is a polyhedron a 2 dimensional figure bounded by polygons
Masteriza [31]
A polyhedron is a 3D solid with many faces
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9.<br> Round 45.2374 to the nearest tenth.
Alexxx [7]

Answer:

45.2

Step-by-step explanation:

the tenths is the first number to the right after the decimal

7 0
3 years ago
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