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3 years ago

10. Find the surface area of the triangular prism. The

Mathematics

1 answer:

worty [1.4K]3 years ago

8 0

Answer:

Step-by-step explanation:

The surface area can be found through the formula

SA=2A+(a+b+c)h

in this case, A is the area of the base, a and b are the legs, c is the base of the triangle, and h is the height. By substituting the values 25 and 25 for the legs and 14 for the base and 48 for the height, you will get 3408 sq cm.

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(surds) write this in the simplest form and then simplify the expression

Stells [14]

Answer: $\bold{\sqrt{2}-15\sqrt{3}}$

<u>Step-by-step explanation:</u>

$.\quad \sqrt{128}-5\sqrt{27}+2\sqrt{32}-3\sqrt{75}\\\\=\sqrt{\underline{2\cdot 2}\cdot \underline{2\cdot 2}\cdot \underline{2\cdot 2}\cdot 2}-5\sqrt{\underline{3\cdot 3}\cdot 3}+2\sqrt{\underline{2\cdot 2}\cdot \underline{2\cdot 2}\cdot 2}-3\sqrt{2\cdot \underline{5\cdot 5}}\\\\=2\cdot 2\cdot 2\sqrt{2}-3\cdot 5\sqrt{3}+2\cdot 2\cdot 2\sqrt{2}-5\cdot 3\sqrt{2}\\\\=8\sqrt{2}-15\sqrt{3}+8\sqrt{2}-15\sqrt{2}\\\\=\sqrt{2}-15\sqrt{3}$

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4 years ago

Round 231469.335329 to the nearest thousand

malfutka [58]

Answer: 231,469.335

Step-by-step explanation:

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3 years ago

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alekssr [168]

Answer: 1.8y+0.55

Step-by-step explanation:

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3 years ago

Please Help!!<br><br> Write in exponential form.

Nimfa-mama [501]

Answer:

C, $5e^{i(5\pi/3)$

Step-by-step explanation:

Euler's formula:

$e^{ix}=\cos{x}+i\sin{x}$

Looking at the expression in the parentheses, your x is explicitly given to you as $5\pi/3$ , so using Euler's formula:

$5\left(\cos\frac{5\pi}{3}+i\sin{\frac{5\pi}{3} })=5e^{i(5\pi/3)$

Which is C.

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4 years ago

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insens350 [35]

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3 years ago