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vitfil [10]
3 years ago
8

Need desperate help PLEASE

Mathematics
1 answer:
laiz [17]3 years ago
6 0

Answer:

L = 17 m

Step-by-step explanation:

The formula for the volume of a rect. prism of length L, width W and height H is V = L*W*H.  Here we are given certain values (W and H) and are asked to find the third value (L).

Solving V = L*W*H for L, we get

         V

L = ----------

       W*H

Subst. 2830.5 m³ for V, 18.5 m for W and 9 m for H.  This results in:

       2830.5 m³

L = -------------------- = 17 m

      (18.5 m)(9 m)

The length of this prism is 17 m.

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Let f(x) = 4x – 2 and g(x) = x + 1. Find the following function value.<br> (f - g)(-3)
Nataly [62]

Answer:

(f - g)(3) = 6

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS

<u>Algebra I</u>

  • Function Notation

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 4x - 2

g(x) = x + 1

<u>Step 2: Find</u>

<em>Find (f - g)(x)</em>

  1. Substitute:                         (f - g)(x) = 4x - 2 - (x + 1)
  2. Distribute -1:                      (f - g)(x) = 4x - 2 - x - 1
  3. Combine like terms:         (f - g)(x) = 3x - 3

<em>Find (f - g)(3)</em>

  1. Substitute:                         (f - g)(3) = 3(3) - 3
  2. Multiply:                             (f - g)(3) = 9 - 3
  3. Subtract:                            (f - g)(3) = 6
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2 years ago
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3 years ago
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pentagon [3]

Answer:

= x 3048

Step-by-step explanation:

6 0
2 years ago
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