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2 years ago

14

The right triangle on the right is a scaled copy of the right triangle on the left. Identify the scale factor. Express your answ

er as a whole number or fraction in simplest form.

2 answers:

kobusy [5.1K]2 years ago

8 0

Well since 10•2=20 I would believe the answer should be two! Please mark me brainliest

Elena-2011 [213]2 years ago

3 0

Answer
2
Step by step
10•2=20

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Answer:

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General Formulas and Concepts:

<u>Math</u>

Counting

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

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<u>Geometry</u>

Sum of Angles: 180(n - 2)°

Step-by-step explanation:

<u>Step 1: Define</u>

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<u>Step 2: Find Sum</u>

Substitute in <em>n</em> [Sum of Angles]: 180(5 - 2)°
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3 years ago

Solve the equation using the quadratic formula : x^2-10x+25=18

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$x^2-10x+25=18 \\ \\x^2-10x+25-18 = 0\\ \\ x^2-10x+ 7 =0 \\ \\a=1 , b = -10 , c= 7 \\ \\ \Delta = b^{2}-4ac = (-10)^{2}-4*1*7=100-28 = 72 \\ \\\sqrt{\Delta }=\sqrt{72}= \sqrt{2*36} =\sqrt{36}*\sqrt{2} =6\sqrt{2}$

$x_{1}=\frac{-b-\sqrt{\Delta }}{2a} =\frac{10- 6\sqrt{2}}{2}=\frac{2(5-3\sqrt{2})}{2}= 5-3\sqrt{2}\\ \\x_{2}=\frac{-b+\sqrt{\Delta }}{2a} =\frac{10+ 6\sqrt{2}}{2}=\frac{2(5+3\sqrt{2})}{2}= 5+3\sqrt{2}$

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3 years ago

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Hello there.

Which answer is the most reasonable estimation? Lance is organizing his baseball card collection into albums. Each album can hold up to 50 cards. He has 202 cards in his collection. About how many albums will Lance need? A. about 5 B. about 10 C. about 50 D. about 150

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