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Stells [14]
3 years ago
7

Find the surface area of this triangular prism.

Mathematics
1 answer:
vesna_86 [32]3 years ago
7 0

Answer:

96

Step-by-step explanation:

A=Area

Using the formulas

A= 2A_{b} +(a+b+c)h\\A_{b} = \sqrt{s(s-8)(s-10)(s-6)} \\s= \frac{8+10+6}{2}

Solving for A

A=ah+bh+ch+\frac{1}{2}*\sqrt{-a^4+2(ab)^2+2(ac)^2-b^4+2(bc)^2-c^4}

A=8(2)+10(2)+6(2)+\frac{1}{2}*\sqrt{-8^{4} +2*(8*10)^{2} +2*(8*6)^{2}-10^{4} +2*(10*6)^{2}-6^{4} }A=96

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HELP ASAP! 10 QUESTIONS! 30 POINTS!
liraira [26]
1) D
(2/9) x=24

2) C
6x4=24
24=w
W=1/4(6)

3) A
67=9n
67=9n-2
9n-2=67

4) D
C+2x+x-3=56
4x=59
X=14.75
Katie payed 14.75

5) 91
Explanation: divide 18 by two and you get 9. When you add six and seven you carry on so those are your numbers. After you add you get your consecutive numbers, 91 and 92. 91 is the smallest so that is your answer

6)-18
Explanation: c+c+2=-34
2c+2-34
2x=-36
X=-18
18 is your answer

7) 17
Explanation: divide 22 is half. This is 11. 11+6=17. 17 is your answer

8)D

9)A
11-3 =x
However that isn’t an option so I would suggest to choose 3

10)D
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4 0
3 years ago
The total surface area of this cuboid is 112cm^2. Find the value of x.
stealth61 [152]

Answer:

12544/20=<u>627.2 </u>

Step-by-step explanation:

I might be wrong Sorry If I am

4 0
3 years ago
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What mixed number is equivalent to 23/8
andrezito [222]
The mixed number is 4
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3 years ago
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Which choice is equivalent to the expression below? 5√10+√40+√90 <br><br> the answer was 10√10
DaniilM [7]

Answer:

5\sqrt{10}+\sqrt{40} +\sqrt{90}=10\sqrt{10}

Step-by-step explanation:

We have the following expression:

5\sqrt{10}+\sqrt{40} +\sqrt{90}

Remember the property of root multiplication:

\sqrt[n]{x*y}=\sqrt[n]{x}\sqrt[n]{y}

Therefore:

\sqrt{40}=\sqrt{4*10}=\sqrt{4}*\sqrt{10}=2\sqrt{10}

Also:

\sqrt{90}=\sqrt{9*10}=\sqrt{9}*\sqrt{10}=3\sqrt{10}

Then we have that:

5\sqrt{10}+\sqrt{40} +\sqrt{90}=5\sqrt{10}+2\sqrt{10}+3\sqrt{10}

Remember the property of sum of roots:

a\sqrt{b}+2a\sqrt{b}=3a\sqrt{b}

Finally:

5\sqrt{10}+\sqrt{40} +\sqrt{90}=(5+2+3)\sqrt{10}

5\sqrt{10}+\sqrt{40} +\sqrt{90}=10\sqrt{10}

8 0
3 years ago
Tyler adds vitamin drops to the water the rabbits on the farm drink. Three drops of vitamins are added to every 4 pints. If the
AlladinOne [14]
The answer to this is 9 drops
How i got this is there are 3    4 pints in a 12 pint water container so 3x3=9
I hope I helped! 
6 0
3 years ago
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