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pickupchik [31]
3 years ago
9

Can someone help me?!?! Thanks :))

Mathematics
2 answers:
dusya [7]3 years ago
7 0
Surface area = 2(lw) + 2(wh) + 2(lh)

2(4 * 5) + 2(5 * 15) + 2(4 * 15)
2(20) + 2(75) + 2(60)
40 + 150 + 120
310 square inches
Nuetrik [128]3 years ago
5 0
The answer I got without the calculator is 300 in². And the answer I got with the surface area calculator is 310 in². So the answer is either 300 in² or 310 in².


hope this helps 。◕‿‿◕。


edit: the answer is 310 in²
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Identify the correct ways to classify ∠1 and ∠4 in the figure shown below.
lapo4ka [179]
They are adjacent and complementary.
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3 years ago
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This is for 100 points which is rather rare so please help me out
Lelechka [254]

Answer:

C) $281.25

Step-by-step explanation:

3/15 describes you having to pay the bill in 15 days with a 3% discount.

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3 years ago
Find the linearization L(x) of the function at a. <br> f(x) = x3/4, a = 81
Zolol [24]

Please note that your x^3/4 is ambiguous.  Did you mean (x^3)  divided by 4
or did you mean x to the power (3/4)?  I will assume you meant the first, not the second.  Please use the "^" symbol to denote exponentiation.

If we have a function f(x) and its derivative f'(x), and a particular x value (c) at which to begin, then the linearization of the function f(x) is

f(x) approx. equal to  [f '(c)]x + f(c)].

Here a = c = 81.

Thus, the linearization of the given function at a = c = 81 is

f(x) (approx. equal to)  3(81^2)/4 + [81^3]/4

Note that f '(c) is the slope of the line and is equal to (3/4)(81^2), and f(c) is the function value at x=c, or (81^3)/4.

What is the linearization of f(x) = (x^3)/4, if c = a = 81?

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kirill [66]
x = -3

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The following steps are taken to isolate x on one side of the equation in order to set it equal to a value on the other side of the equation.

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Cancel out the 3 by subtracting it from both sides of the equation (since it is positive).

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Cancel out the 4 (from 4x) by dividing both sides of the equation by it (since it is currently being multiplied).

4x / 4 = -12 / 4
x = -3

Variable x is now isolated on the left side of the equation, leaving the right side equal to x.

7 0
3 years ago
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