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34kurt
3 years ago
6

Help me please 15 points answer

Mathematics
1 answer:
professor190 [17]3 years ago
4 0
Part A is 6 and the bottom one is "Take a line and connect it from point C to the middle of A and B then put another line connecting to D to the middle of A and B"
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In 2010 an item cost $9.00. The price increase by 1.5% each
erma4kov [3.2K]

Answer:

Step-by-step explanation:

Let P be price after t year . From the formula of compounding

P = 9 (1.015)^t

Taking log to the base e on both sides

ln P = ln 9 + t ln 1.015

= (2.197 + .0149t )

P = e^{(2.197+.0149t)}

5 0
3 years ago
-3(x-4) = -9(x - 1)<br> X=?
Alex73 [517]

Answer:

x = - 1/2

Step-by-step explanation:

-3(x-4) = -9(x - 1)

1. Distributive Property

-3 * x -3 *-4 = -9 * x -9 * -1

-3x + 12 = -9x + 9

Hint: 2 negatives make a postive

-3x + 12 = -9x + 9

2. Subtract 12 on both sides

-3x + 12 - 12 = -9x + 9 - 12

-3x = -9x + -3

3. Add 9x on both sides

-3x + 9x = -9x + 9x + -3

6x = -3

4. Divide both sides by 6 to isolate the variable

6x/6 = -3/6

x = - 1/2

Check:

-3(-1/2-4) = -9( -1/2- 1)

3/2 + 12 = 9/2 + 9

3/2 + 12 ( we need a common denominator so...lets make it  2 )

3/2 + 12*2/1*2

3/2 + 24/2 = 27/2 = 13 1/2 = 13. 5

Now...

9/2 + 9 ( we need a common denominator so..lets make it 2 )

9/2 + 9*2/1*2

9/2 + 18/2 = 27/2 = 13 1/2 = 13.5

13.5 = 13.5 CORRECT!

27/2 = improper fraction

13 1/2 = mixed number

13.5= decimal form

Hope this helped

3 0
3 years ago
Is it true or false that 7 over 2 a irrational number ?
Svet_ta [14]
No it is not due to 7 over 2 equals 3.5 making it rational.
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36b-45-18b=9( b- ) help me
Cerrena [4.2K]

Answer:

b=5/3

Step-by-step explanation:

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3 years ago
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Answer:

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Step-by-step explanation:

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