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Tom [10]
3 years ago
10

Quanto misura l'area di un triangolo rettangolo isoscele con ipotenusa 8 cm? (urgente!)

Mathematics
1 answer:
Zarrin [17]3 years ago
7 0

Un triangolo rettangolo isoscele è metà quadrato. L'ipotenusa è la diagonale del quadrato, e i cateti sono i lati del quadrato.

Nei quadrati abbiamo

d=\sqrt{2}l

dove d è la diagonale e l è il lato. Usa le informazioni sopra che collegano la diagonale con l'ipotenusa e i cateti con i lati e potrai trovare i cateti, e quindi l'area.

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Value of the y-intercept of the graph of f(x) = e1–x – 1?
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Answer:

(0, e-1) or (0, 1.718) to the nearest thousandth.

Step-by-step explanation:

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y = e^(1 - 0) - 1

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Step-by-step explanation:

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3 years ago
Read 2 more answers
5. If the tree's circumference is 141.3ft, what is its diameter?
BigorU [14]

Answer:

d ≈ 45 ft

General Formulas and Concepts:

<u>Symbols</u>

  • π (pi) ≈ 3.14

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

  1. Brackets
  2. Parenthesis
  3. Exponents
  4. Multiplication
  5. Division
  6. Addition
  7. Subtraction
  • Left to Right  

Equality Properties

  • Multiplication Property of Equality
  • Division Property of Equality
  • Addition Property of Equality
  • Subtraction Property of Equality<u> </u>

<u>Geometry</u>

  • Circumference of a Circle Formula: C = πd

Step-by-step explanation:

<u>Step 1: Define</u>

Circumference <em>C </em>= 141.3 ft

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

  1. Substitute in <em>C</em> [Circumference Formula]:                                                       141.3 ft = πd
  2. Substitute in π (approximation):                                                                      141.3 ft ≈ 3.14d
  3. [Division Property of Equality] Divide both sides by 3.14:                              45 ft ≈ d
  4. Rewrite:                                                                                                             d ≈ 45 ft
7 0
3 years ago
Read 2 more answers
Chris has $170.00. Candies cost $8.50 each. How many candies can Chris buy? $<br> Blank
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Answer:

20

Step-by-step explanation:

170/8.5

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