3.6/k = 0.2/ 0.5 solve the following proportions

Mathematics

1 answer:

Lorico [155]2 years ago

5 0

bi-by-step explanation:

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Help!!! please! im on my last try!

lilavasa [31]

Answer:

1. x = -3 or x = 5

2. x = 4 or x = 7

3. - 4 and 9

4. x = 4 or x = - 6

5. Unfortunately I got this one wrong, but put the answers above and you'll get an 80%

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3 years ago

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Pythagoras anyone???

exis [7]

8^2 + 5^2 = 64+25 = 89 = square root 89
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that specific side opposite the right angle is always the longest angle
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2 years ago

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Find the distance between (-5,6)and (3,2).

skad [1K]

Answer:

$\displaystyle d = 4\sqrt{5}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)

Algebra II

Distance Formula: $\displaystyle d = \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}$

Step-by-step explanation:

Step 1: Define

Point (-5, 6) → x₁ = -5, y₁ = 6

Point (3, 2) → x₂ = 3, y₂ = 2

Step 2: Find distance d

Simply plug in the 2 coordinates into the distance formula to find distance d

Substitute in points [Distance Formulas]: $\displaystyle d = \sqrt{(3+5)^2+(2-6)^2}$
[Distance] [√Radical] (Parenthesis) Add/Subtract: $\displaystyle d = \sqrt{(8)^2+(-4)^2}$
[Distance] [√Radical] Evaluate exponents: $\displaystyle d = \sqrt{64+16}$
[Distance] [√Radical] Add: $\displaystyle d = \sqrt{80}$
[Distance] [√Radical] Simplify: $\displaystyle d = 4\sqrt{5}$