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Viefleur [7K]
3 years ago
15

Please help! I will mark you as brainliest!

Mathematics
1 answer:
mamaluj [8]3 years ago
4 0

Answer:

Step-by-step explanation:

The purple circle, not ring is pi 7 squared = 153.93804

Then subtract the smaller circles area (pi 4 squared) = 153.9... - 103.6725576 =

50.2654824

Purple ring is 50.2654824

The entire circle is 4+3+3 (10) squared times pi = 314.1592654

( 50.2654824 / 314.1592654 ) x 100 = 15.999999998 %

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I'd really appreciate your help, please no joke answers
Lerok [7]

Answer:

d= 2√10

Step-by-step explanation:

y= 3x - 5

3x - y - 5=0

d= | 3* 7 +(-1) * (-4) + (+5) |

     ________________

       \sqrt{3^{2} } + (-1)^{2}

d = | 20 | / \sqrt{10}

d = 20 / \sqrt{10}

d = 2\sqrt{10}

3 0
3 years ago
What is the difference between -4 and 6?
KATRIN_1 [288]

Answer:

10

Step-by-step explanation:

5 0
3 years ago
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What is 486 divided by 6?
velikii [3]

486 divided by 6 is 81

5 0
3 years ago
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W=3? What is the value of the expression below when w = 5w+ 2
topjm [15]

Answer:

The value of the expression at w=3 is;

17

Explanation:

Given the expression;

5w+2

Then when w=3, the value of the expression is;

\begin{gathered} 5w+2 \\ =5(3)+2 \\ =15+2 \\ =17 \end{gathered}

The value is gotten by replacing/substituting w with 3 in the expression;

Therefore, the value of the expression at w=3 is;

17

5 0
1 year ago
A museum opened at 8 AM in the first hour 350 people purchased admission tickets in the second hour 20% more people purchase adm
insens350 [35]

Answer:  $13,475

<u>Step-by-step explanation:</u>

1st hour:  350 people bought tickets --> 350 × $17.50 = $6,125

2nd hour: 350(1.2) people bought tickets --> 350(1.2) × 17.50 = $7350

Total amount = 1st hour + 2nd hour

                      = $6,125 + $7,350

                      = $13,475

4 0
3 years ago
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