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zvonat [6]
3 years ago
8

B 5 3 a 4 What is the length of the hypotenuse of this triangle? 3 units 5 units 4 units​

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

Answer:

5 units

Step-by-step explanation:

The hypotenuse is always the longest segment on a triangle. If the lengths of the sides of this triangle are 3 units, 4 units, and 5 units, the hypotenuse will be 5 units. You can use the pythagorean theorem to check.

a^2+b^2=c^2

If you substitute the variable with the lengths of the legs in ascending order, you will get 3^2+4^2=5^2. Simplifying the equation, you will get 9+16=25, or 25=25. Thus, proving the equation.

Hope this helped! :)

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Given f(x)=3x-1, solve for x when f(x)=-7.
ddd [48]

Answer:

x = -2

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
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  5. Division
  6. Addition
  7. Subtraction
  • Left to Right

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<u>Algebra I</u>

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Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 3x - 1

f(x) = -7

<u>Step 2: Solve for </u><em><u>x</u></em>

  1. Substitute:                    -7 = 3x - 1
  2. Isolate <em>x</em> term:              -6 = 3x
  3. Isolate <em>x</em>:                       -2 = x
  4. Rewrite:                        x = -2
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3 years ago
34, 57, 58, 56, 21. Which measure of center best represents the data? Explain why you chose that measure of center.
sveticcg [70]

Answer:

Median

Step-by-step explanation:

The measure of center that best represents the data is median because the data is ordinal, that is it is in ranks. The first is 21, the second is 34, third is 56, fourth is 57 and fifth is 58.

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Given that,

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Point 2 = (2,9)

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We have,

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The formula for the slope of a line is given by :

m=\dfrac{y_2-y_1}{x_2-x_1}\\\\=\dfrac{9-9}{2-(-6)}\\\\=0

Hence, the slope of the line that passes through the given pair is 0.

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vaieri [72.5K]

Answer:

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=x^2-4x+4-x^2-6x-9

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