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Nadusha1986 [10]
3 years ago
6

Please anyone that can help

Mathematics
1 answer:
ivann1987 [24]3 years ago
8 0
Triangular Prism- SA= 1/2bh
                          = 1/2 × 7 × 11
                          = 38 1/2 × 4 = 154
                             7 × 7 = 49
                          = 154 + 49
                          = 204in³

Rectangular Prism- SA= 2lw + 2lh + 2wh
                             = 2 × 11 × 7 + 2 × 11 × 7 + 2 × 7 × 7
                             = 154 + 154 + 98
                             = 406in³

Therefore, the rectangular prism has the larger surface area.
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3. The correct answer is 2) 3m² - 6. 
(2m² + 3m - 4) + (m² - 3m - 2)   Given
2m² + m²   These numbers are like terms, because they both end in m².
3m²   Since m² can also be written as 1m², and 2 + 1 = 3, this is the sum of 2m² and m² (1m²).

3m + (-3m)   These numbers are like terms, because they both end in m. -3m is negative because it was being subtracted.
0   Since we're adding a negative, it's the same as subtracting something. 3m - 3m is 0.

-4 + (-2)   These numbers are like terms, because they are both simple integers with no variable. Once again, we're adding a negative because it was being subtracted.
-6   -4 + (-2) is the same as -4 - 2, which is -6. Remember that when you're subtracting from a negative, the number seems to become larger. For instance, 1 - 1 is 0, but -1 - 1 is -2.

3m² - 6   Put all of the terms together. We don't have to write out 0, because 0 is the same as nothing.

5. This one is a bit unclear, but I think that the correct answer is 2) II and IV. The slope formula can be written as y = mx + b, where m is the slope and b is the y-intercept, or the place where the line crosses the y-axis. In this equation, b is 2, which is a positive number, so the y-intercept shifts upward. This means that the answer is either 2 or 3. As for |x - 6|, the way this is written makes the equation somewhat confusing. I believe that the bars are meant as absolute value bars, which, put simply, turn negatives into positives. This means that this part is x + 6, so the line shifts to the right. However, if they were intended as parentheses, the line would shift to the left, because we're subtracting 6 from x. I'm almost certain those were intended as absolute value bars, though, so I think that the answer is 2.

Hope this helps!
4 0
3 years ago
[I need just the answer] Find the surface area of a rectangular prism with these dimensions: 18 width, 6 height, 6 base.
n200080 [17]

Answer: S = 288 m2

Hope this Helps!!!

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4 0
3 years ago
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The equation is Oy = 3/6x
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3 years ago
Y = 100 (1- 1/2) ^t<br><br> decay or growth
charle [14.2K]

Answer:

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Step-by-step explanation:

We are given an equation y=100(1-0.5)^t

We need to say about decay or growth of exponential function.

Exponential function: y=a\cdot b^x

Where,

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Now we rewrite the equation into this form

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Therefore, The given function would be decay.

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8 0
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