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Igoryamba
3 years ago
7

True or face dilations preserve angle measure

Mathematics
1 answer:
Ilia_Sergeevich [38]3 years ago
6 0

Answer:

True

Step-by-step explanation:

Required

Does dilation preserve angle measure?

When a point, side, line, or angle is dilated; the length of the line will be altered by the ratio or scale of dilation.

However, the measure of angle will remain the same.

<em>Hence, the given statement is true.</em>

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Evaluate the expression 3xy - 2x^2 for x=4 and for y = 3<br><br> helpp
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3 years ago
Evaluate each expression if a = 3 , b = 5 and c=1 b-c
Nezavi [6.7K]

Answer:

4

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

Step-by-step explanation:

<u>Step 1: Define</u>

a = 3, b = 5, c = 1

b - c

<u>Step 2: Evaluate</u>

  1. Substitute:                      5 - 1
  2. Subtract:                         4
7 0
2 years ago
An equation is shown below:
IrinaK [193]
5(2x - 8) + 15 = -15
               -15      -15     subtract 15 from each side
5(2x - 8) = -30
  ÷5             ÷5             divide both sides by 5
2x - 8 = -6
     +8    +8                   add 8 to each side
2x=2
÷2  ÷2                          divide both sides by 3
x = 1

Checking:
5(2(1)-8) + 15 = -15
5(-6) + 15 = -15
-30 + 15 = -15
-15 = -15             Correct! x=1
7 0
3 years ago
Read 2 more answers
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