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klasskru [66]
2 years ago
7

Sonia earned $2,100 at her uncle's orchard. if she worked for 70 weeks and earned the same amount of money each week, how much d

id she earn per week?
Mathematics
1 answer:
Readme [11.4K]2 years ago
3 0

Answer:

30 dollars a week

Step-by-step explanation:

2100/70 is 30

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A rock sample containing an isotope with a half-life of 28 million years has an initial mass of 184 grams. how much time has ela
damaskus [11]
<h2>Half Life</h2>

The half life period is the time in which only half of the given population remains. It can be represented through this equation:

f(t)=a\times(1/2)^{\frac{t}{h}}

  • <em>t</em> = time passed
  • <em>a</em> = y-intercept
  • <em>h</em> = half life

<h2>Solving the Question</h2>

We're given:

  • <em>h</em> = 28 million years
  • <em>a</em> = 184 grams (this is the initial mass, after 0 time has passed)

For most questions like this, we would have to plug these values into the equation mentioned above. However, this question asks for the time elapsed after 3 half-lives.

This can be calculated simply by multiplying the given half-life by 3:

28 million years x 3

= 84 million years

<h2>Answer</h2>

84 million years

3 0
2 years ago
Sometimes data do not follow a normal distribution and are pulled toward the tails of the curve. When this occurs, it is referre
Airida [17]

Answer:

When the tail is pulled toward the right side, it is called a positively skewed distribution

Step-by-step explanation:

When the tail is pulled toward the right side, it is called a positively skewed distribution; when the tail is pulled toward the left side of the curve it is called a negatively skewed distribution (Watzlaf 2016, 361-362).

Generally the right side of a function is reserved for positive variables and the left side is used to represent negative variables, therefore when a function is pulled to the right is considered to be Positively skewed

6 0
3 years ago
Use the number line to find (One-fourth) + (negative StartFraction 21 over 8 EndFraction) Negative StartFraction 19 over 4 EndFr
Shalnov [3]

Answer:

-\frac{19}{8}

Step-by-step explanation:

4 0
3 years ago
Read 2 more answers
Caleb was recently hired for a job with an annual income of $35,000. Using the federal income rate of 15 %, what amount should C
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Answer:

<h2 /><h2><em><u>an</u></em><em><u>swer</u></em><em><u> will</u></em><em><u> be</u></em><em> </em><em>5</em><em>2</em><em>5</em><em>0</em></h2>

<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>35000 \times  \frac{15}{100}  = 350 \times 15 = 5250</em>

7 0
4 years ago
Solve for x in the function
Zinaida [17]

Answer:

4

Step-by-step explanation:

<h3>2^3= 2x2x2= 8 + 4 =12</h3><h3 /><h3>but it is 16 not 12 so 16 - 12 =4 so that should be ur awnser.</h3><h3 /><h3 /><h3 /><h3>In return can u answer the question that i just asked on my account</h3>
3 0
3 years ago
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