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Gnom [1K]
3 years ago
13

Find the surface area of the rectangular prism​

Mathematics
1 answer:
lorasvet [3.4K]3 years ago
8 0

Answer:

430 cm squared

Step-by-step explanation:

SA= 2(Length x Base, Base x Height, Height x Length)

15cm x 5cm +

15cm x 7xm +

7cm x 15cm =

215cm

215cm x 2 = <u>430 cm squared.</u>

(it's perimeter of a 3D object so it must be squared, then volume would be cubed)

I hope this helps <3

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Roman55 [17]

(m-1)²

= m² - 2×m×1 + 1²

= <u>m² - 2m + 1</u>

Use the identity - (a - b)² = a² - 2ab + b²

Hope it helps cha :)

6 0
3 years ago
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simplify the expression below. Express the simplified expression in standard form (12s^4-6s^2+4s)+(6s^4-4s+27)-(4s^4+s^2+12)
joja [24]
<h3>Answer:   14s^4 - 7s^2 + 15</h3>

====================================================

Work Shown:

(12s^4-6s^2+4s)+(6s^4-4s+27)-(4s^4+s^2+12)

12s^4-6s^2+4s+6s^4-4s+27-4s^4-s^2-12

(12s^4+6s^4-4s^4)+(-6s^2-s^2)+(4s-4s)+(27-12)

14s^4-7s^2+0s+15

14s^4-7s^2+15

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3 0
3 years ago
I need help on the rest before I go to cheer
RideAnS [48]
For number 12 the answer is 15.36
3 0
4 years ago
In a bank account a paid out expense is called a debit and a deposit is called a credit. Would you use positive or negative inte
Allisa [31]

Answer:

positive integer

Step-by-step explanation:

In a bank account,

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A deposit is called as credit

To find: sign used to represent credits

Solution:

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How does the Pythagorean theorem help us calculate distance?
maks197457 [2]

Answer:

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