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Marta_Voda [28]
3 years ago
7

Laura walks 1/2 mile every 10 minutes. At this rate how far will she walk in an hour?

Mathematics
1 answer:
gulaghasi [49]3 years ago
8 0

well, an hour has 60 minutes, that means 10+10+10+10+10+10 minutes.

we know she can do ½ mile in 10 minutes, so in an hour, she'll be doing

½+½+½+½+½+½ miles, and you know how much that is.

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Kobotan [32]

Answer:

  • 24 sides

Step-by-step explanation:

Sum of exterior angles of regular polygons is 360°.

If each angle measures 15°, then the number of sides:

  • 15n = 360
  • n = 360/15
  • n = 24
5 0
3 years ago
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Factor completely.<br> 150m^2nz+20mn^2c-120m^2nc-25mn^2z
Anika [276]

Answer:

The factor form is:

5mn\left(6m-n\right)\left(5z-4c\right)

Step-by-step explanation:

Here we have to find the factor of the expression:

150m^2nz+20mn^2c-120m^2nc-25mn^2z

So we need to take out the common terms, as we do for finding the greatest common factors.

Now the expression that is given can be re-written as:

150m^2nz+20mn^2c-120m^2nc-25mn^2z\\=150mmnz+20mnnc-120mmnc-25mnnz\\=30\cdot \:5nmmz+4\cdot \:5nmnc-24\cdot \:5nmmc-5\cdot \:5nmnz

Next, we will find the common terms, as follows;

30\cdot \:5nmmz+4\cdot \:5nmnc-24\cdot \:5nmmc-5\cdot \:5nmnz\\=5nm\left(30mz+4nc-24mc-5nz\right)\\

Now  we will factorise the expression:

\left(30mz+4nc-24mc-5nz\right)\\

as follows;

\left(30mz+4nc-24mc-5nz\right)\\=6m\left(5z-4c\right)+n\left(4c-5z\right)\\=\left(-4c+5z\right)\left(6m-n\right)\\

So the final factor form is:

150m^2nz+20mn^2c-120m^2nc-25mn^2z=5mn\left(6m-n\right)\left(5z-4c\right)

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3 years ago
Hay it is meh plz save me
Leno4ka [110]

Answer:

The distance is 1/3 :)

Your welcome

7 0
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Nookie1986 [14]

Answer:

0

General Formulas and Concepts:

<u>Pre-Algebra</u>

Order of Operations: BPEMDAS

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  2. Parenthesis
  3. Exponents
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Step-by-step explanation:

<u>Step 1: Define</u>

<em>Identify</em>

(-5x + 6x²) - (6x² - 5x)

<u>Step 2: Simplify</u>

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<em />
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4 years ago
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