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mash [69]
3 years ago
8

Find the value of x.

Mathematics
1 answer:
Sati [7]3 years ago
4 0
Use sin to calculate. Sin30=5/x. Sin=opposite/hypotenuse. Cross multiply. Sin30x=5. x=5/sin30. x=10.
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PLEASE HELP!!!
kumpel [21]
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6 0
3 years ago
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One package of tile will cover 3 square feet.How many packages will shee need 8,13,15,39
IrinaVladis [17]

Hey there! :)

Answer:

13 packages.

Step-by-step explanation:

Begin by finding the total area of this composite figure. Separate the figure into separate rectangles. Use the formula A = l × w to calculate the area of each:

Smaller rectangle:

Subtract 7 from 9 to find the width:

9 -7 = 2. Therefore:

2 × 2 = 4 ft².

Larger rectangle:

7 × 5 = 35 ft².

Add up the two areas to find the area of the entire figure:

4 + 35 = 39 ft².

If each package of tile covers 3 ft², simply divide to find the package of tiles needed:

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4 0
3 years ago
Company x has 128000 in a savings account that pays 6% interest per year. How much interest will it earn at the end of the year?
VLD [36.1K]

Step-by-step explanation:

234'00

3 0
3 years ago
If f(x) = 3x^2 – 2 and g(x) = 2x + 4, find (f- g)(x).
Andreas93 [3]

Answer:

(f - g)(x) = 3x² - 2x - 6

General Formulas and Concepts:

<u>Pre-Alg</u>

  • Order of Operations: BPEMDAS

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x² - 2

g(x) = 2x + 4

(f - g)(x) is f(x) - g(x)

<u>Step 2: Evaluate</u>

  1. Substitute:                    (f - g)(x) = 3x² - 2 - (2x + 4)
  2. Distribute -1:                 (f - g)(x) = 3x² - 2 - 2x - 4
  3. Combine like terms:    (f - g)(x) = 3x² - 2x - 6
5 0
3 years ago
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Marta_Voda [28]

Answer:

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Step-by-step explanation:

The formula for the surface area of a sphere is 4\pir².  The variable is the radius.  Therefore, the sphere with the smallest radius would have the smallest surface area.

6 0
3 years ago
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