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PtichkaEL [24]
3 years ago
14

Jake draws a drinking glass with a scale of 2 units on his graph paper represents 2.5 cm. The glass is 8 units tall in the drawi

ng. What is the height, in cm, of the actual glass?
Mathematics
1 answer:
alexandr1967 [171]3 years ago
5 0

Answer:

Ratio 2= 2.5

         8= 10


10cm

Step-by-step explanation:

Ratios and multiply each side by 4 to get the ratio 2:2.5 to 8:10

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Solve 5x^2-2=-12 by taking the square root
k0ka [10]

Answer:

x = ±i√2

General Formulas and Concepts:

<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>Algebra II</u>

Imaginary root <em>i</em>

  • <em>i</em> = √-1

Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

5x² - 2 = -12

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

  1. [Addition Property of Equality] Add 2 on both sides:                                    5x² = -10
  2. [Division Property of Equality] Divide 5 on both sides:                                 x² = -2
  3. [Equality Property] Square root both sides:                                                    x = ±√-2
  4. Rewrite:                                                                                                             x = ±√-1 · √2
  5. Simplify:                                                                                                             x = ±i√2
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Answer:

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Step-by-step explanation:

m=(y2-y1)/(x2-x1)

m=(55-22)/(15-6)

m=33/9

simplify

m=11/3

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Answer:

(Frequency of the value being measured divided by the total frequency) times by 100

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