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Tems11 [23]
3 years ago
15

4. What is the measure of LGAB D B A/50°E A 40° C 90° B 50° D 130°

Mathematics
1 answer:
goldenfox [79]3 years ago
8 0

Answer:

LGAB=GAC

50=50

90 degrees

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A 40-foot pipe is cut into three sections. The longest section is three times as long as the shortest, and the middle-sized sect
PtichkaEL [24]

Answer:

P=40

a + b + x = P

a = 3x    

b = x + 5

substitute for b & y

3x + (x+5) + x = 40

Step-by-step explanation:

longest section 1 = a

mid length section 2 = b

shortest section 3 = x

P=40

a + b + x = P

a = 3x    

b = x + 5

substitute for b & y

3x + (x+5) + x = 40

5x + 5 = 40

5x = 35

x = 7

b = 12

a = 21

5 0
3 years ago
Find f(-6)<br> f(x) = 2^x
Korvikt [17]

Answer:

f(-6) = 1/64

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<u> </u>

<u>Algebra I</u>

  • Functions
  • Function Notation
  • Exponential Rule [Rewrite]:                                                                              \displaystyle b^{-m} = \frac{1}{b^m}

Step-by-step explanation:

<u>Step 1: Define</u>

f(x) = 2ˣ

f(-6) is x = -6 for function f(x)

<u>Step 2: Evaluate</u>

  1. Substitute in <em>x</em> [Function]:                                                                                f(-6) = 2⁻⁶
  2. Exponential Rule - Rewrite:                                                                               f(-6) = 1/2⁶
  3. Exponents:                                                                                                         f(-6) = 1/64
6 0
3 years ago
Round 218 to the nearest hundred
Sergio [31]
When rounding to the nearest hundred, if the number in the tens place is less than 5, you should round downwards (keep the same number shown in the hundreds place). However, if the number in the tens place is 5 or greater, than you have to round up, which means adding one to the number currently in the hundreds place. So, for this problem, the digit 1 is in the tens place. Because 1 is less than 5, we know that we have to round down. Thus, 218 rounded to the nearest hundred is 200. Hope this helps!!
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3 years ago
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Irina18 [472]

0+1+2+3+4= 10

that is the answer

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tatyana61 [14]

Answer:

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Step-by-step explanation:

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