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zaharov [31]
2 years ago
7

Geometric probability

Mathematics
1 answer:
Anna [14]2 years ago
3 0
7+3+8+3=21 fishes in total
8/21 fishes are healthy
8/21 = 0.4 => 40%
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erik [133]
I only did the first part but maybe later I will solve the rest too. If there are any errors but tell me so I can update the pic.

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3 years ago
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NEED THIS QUICK Karen earns $28,000 per year as a fashion consultant. She has personal exemptions that total $2,100. Use the tab
Lostsunrise [7]

Answer:

$1,210

Step-by-step explanation:

$28,000 - $2,100 = $25,900

$25,900 - $5,000 = $20,900

1.5% × $1,000 = $15

3% × $2,000 = $60

4.5% × $2,000 = $90

5% × $20,900 = $1,045

$15 + $60 + $90 + $1,045 = $1,210

8 0
2 years ago
0.75h + 3 = 12 <br> What's the answer?
kykrilka [37]

Answer:

h = 12

General Formulas and Concepts:

<u>Pre-Algebra</u>

  • Order of Operations: BPEMDAS
  • Equality Properties

Step-by-step explanation:

<u>Step 1: Define equation</u>

0.75h + 3 = 12

<u>Step 2: Solve for </u><em><u>h</u></em>

  1. Subtract 3 on both sides:                    0.75h = 9
  2. Divide 0.75 on both sides:                  h = 12

<u>Step 3: Check</u>

<em>Plug in h into the original equation to verify it's a solution.</em>

  1. Substitute in <em>h</em>:                    0.75(12) + 3 = 12
  2. Multiply:                               9 + 3 = 12
  3. Add:                                     12 = 12

Here we see that 12 does indeed equal 12.

∴ h = 12 is a solution of the equation.

5 0
3 years ago
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IgorLugansk [536]
The correct answer is @, because Kim rode15 miles per week, and Eric rode 17 per week
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Name an angle supplementary to <br> Please help I suck at this!!
Basile [38]

Answer:

<BOD

Step-by-step explanation:

Supplementary angles add up to 180, but remember that a 180 degree angle is also just a straight line! <AOB takes up half of Line AD, while we can see that <BOD takes up the other half of the line.

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