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AnnZ [28]
3 years ago
7

Ben walked into a hardware store and asked the price of some items. The salesman said: One costs $1 Eight costs $1 Seventeen cos

t $2 One hundred four costs $3 One thousand seventy two costs $4 What was Ben buying?
SAT
1 answer:
Mars2501 [29]3 years ago
8 0
Ben was buying home address numbers and they cost $1 per digit.
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John Sculley was the President if Pepsi
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Foes in a complex sentence <br> PLEASE HURRY UP AND RESPOND IM ON A TIME THINGGGGGG.
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3 years ago
On the first of each month, stacie runs a 5k race. She keeps track of her times to track her progress. Her time in minutes is re
Natasha_Volkova [10]

Difference between the mean of the data, including the outlier and excluding the outlier is;

B: 0.93

<h3>Mean average</h3>

Her time in minutes for the given months are;

  • January = 41.55 minutes
  • July = 36. 38 minutes
  • Feb = 42.51 minutes
  • Aug = 38.48 minutes
  • Mar = 43. 01 minutes
  • Sept = 41.87 minutes
  • Apr = 39. 76 minutes
  • Oct = 51.32 minutes
  • May = 37. 32 minutes
  • Nov = 42.59 minutes
  • June = 35.28 minutes
  • Dec = 43.71 minutes

Looking at all the numbers, they largely range from 36 to 44 which means that the outlier is 51.32

Total number of minutes with outlier = 493.78 minutes

Number of months = 12

Thus;

Mean with outlier = 493.78/12

Mean with outlier = 41.15 minutes

Mean without outlier = (493.78 - 51.32)/(12 - 1)

Mean without outlier = 40.22 minutes

Thus;

Difference in both means = 41.15 - 40.22

Difference = 0.93

Read more about mean average at; brainly.com/question/20118982

6 0
2 years ago
Math homework graphing equations on a graph
Basile [38]

Try this option, all the details are in the attachment. Note, the answer is point A(x;y) [red font] on the each graph.

8 0
2 years ago
What is the solubility of mg(oh)₂ at a ph of 12.70? (ksp mg(oh)₂ is 1.6 × 10⁻¹³)
Feliz [49]

Based on the calculations, the solubility of mg(oh)₂ at a pH of 12.70 is equal to 3.4 × 10⁻⁵ M.

<u>Given the following data:</u>

  • Ksp of mg(oh)₂ = 1.6 × 10⁻¹³
  • pH = 12.70

<h3>What is pH?</h3>

pH is an abbreviation for the power of hydrogen ions and it can be defined as a measure of the molar concentration of hydrogen ions that are present in a given solution. Thus, the power of hydrogen ions (pH) is generally used to identify or specify the acidity, neutrality, or basicity of any chemical solution.

First of al, we would write the properly balanced chemical equation for this chemical reaction:

                          Mg(OH)_2(s)\rightleftharpoons Mg^{2+} (aq)+ 2OH^{-}(aq)

Mathematically, the Ksp for the above chemical reaction is given by:

Ksp = [Mg²⁺][OH⁻]²

Ksp = [x][2x]²

1.6 × 10⁻¹³ = 4x³

x = ∛4 × 10⁻¹⁴

x = 3.4 × 10⁻⁵ M.

Read more on solubility here: brainly.com/question/3006391

3 0
2 years ago
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