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nikklg [1K]
3 years ago
10

Given lines a, b, and c, if a⊥b and c⊥b then a⊥c. True or false

Mathematics
1 answer:
emmainna [20.7K]3 years ago
8 0

Answer:

false

|___________A

|

l___________C

|

B

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4 0
3 years ago
Divide the square root of 81 by the difference between the product of-1 and -3 and the square root of 4​
kherson [118]

Answer:  \frac{9}{1}

Step-by-step explanation:

FIrst find the square root of 81.

\sqrt{81}  = 9  

The square root of 81 is 9.

FInd the product of -1 and -3 by multiplying the -1 by -3.

-1 * -3 = 3

next find the square root of 4.

     

   \sqrt{4} = 2  

Now it said divide  the square root of 81 which is 9 by  the difference between 3 and 2 and the difference between 3 and 2 two is 1.  

Thos means that the answer will be 9/1.

7 0
3 years ago
2 x (3^3-5+8) pemdas
Pavel [41]

Answer:

60

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 Expression</u>

2 × (3³ - 5 + 8)

<u>Step 2: Evaluate</u>

  1. [Parenthesis] Exponents:                    2 × (27 - 5 + 8)
  2. [Parenthesis] Subtract:                        2 × (22 + 8)
  3. [Parenthesis] Add:                               2 × 30
  4. Multiplication:                                      60
6 0
3 years ago
How can the product of 5 and 0.3 be determined using this number line? Number line from 0 to 2.0 with tick marks at every tenth.
Oksanka [162]

Answer:

5      0.3     1.5

Step-by-step explanation:

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6 0
3 years ago
An algebra 2 question..... about cosine.
zvonat [6]

Answer:d i believe

Step-by-step explanation:

if im wrong i will get hate comments, im already hated by everyone so it dont matter

6 0
3 years ago
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