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Kamila [148]
2 years ago
5

9.

Mathematics
1 answer:
Ludmilka [50]2 years ago
4 0
Is it a abc answer ? To pick I don’t understand or is it to solve
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Helppppppppppppppppppppppppp
KiRa [710]
<h2><em>Answer:</em></h2><h2><em>5</em><em>2</em><em>.</em><em>7</em><em>8</em><em>5</em><em>6</em><em> </em><em>cm</em></h2>

<em>Solution</em><em>,</em>

<em>diameter</em><em>=</em><em>1</em><em>6</em><em>.</em><em>8</em><em> </em><em>cm</em>

<em>radius=</em><em>8</em><em>.</em><em>4</em><em> </em><em>cm</em>

<em>Circumference</em><em> of</em><em> </em><em>circle</em><em>=</em><em>2</em><em> </em><em>pi </em><em>r</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em> </em><em>2</em><em>*</em><em>3</em><em>.</em><em>1</em><em>4</em><em>2</em><em>*</em><em>8</em><em>.</em><em>4</em>

<em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em> </em><em>=</em><em>5</em><em>2</em><em>.</em><em>7</em><em>8</em><em>5</em><em>6</em><em> </em><em>cm</em>

<em>Hope </em><em>it</em><em> helps</em>

<em>Good </em><em>luck</em><em> on</em><em> your</em><em> assignment</em>

5 0
3 years ago
A store is having a sale all items are marked 30% off
zepelin [54]
Since you didn’t put the numbers to find the amount, I’ll teach you how to.. Once you have the decimal figure, multiply it by the number for which you seek to calculate the percentage
6 0
3 years ago
Suppose the point P = ( - 10,6) is reflected across the x-axis to the point P'.
mash [69]

Answer:

(-10,-6)

Step-by-step explanation:

When this point is reflected in the x-axis, the y-coordinates change from either positive to negative or negative to positive. The x-coordinates will not change.

Since the y-coordinates is originally positive, it will change to negative. Giving us our answer of:

(-10,-6)

5 0
2 years ago
Please help with this question
alekssr [168]

Step-by-step explanation:

so, that means we want to find the time t (days) after which N = No/2

because "half-life" means the amount of time until half of the substance has disappeared (or transformed into something else).

so, we have

No/2 = No × e^(-0.1481×t)

No = 2× No × e^(-0.1481×t)

1 = 2×e^(‐0.1481×t)

1/2 = 0.5 = e^(-0.1481×t)

ln(0.5) = -0.1481×t

t = ln(0.5)/-0.1481 = 4.680264555... ≈ 4.7 days

8 0
2 years ago
Please help! question is in the pic
steposvetlana [31]

Answer: 2 + 1 = 3      2 x 1 =2

Step-by-step explanation: + 7 = 7

5 0
2 years ago
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