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Alisiya [41]
3 years ago
5

James has 165 centimeters of yarn left. How many inches does he have left?

Mathematics
2 answers:
nlexa [21]3 years ago
6 0

Answer:

64.96 inches

Step-by-step explanation:

this is because calculations excuse length value by dividing by 2.54

jonny [76]3 years ago
5 0
165/ 2.54 = 64.96 inches
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Find cos x if sin x =0.82.
True [87]

Answer:

cosx= 35. Use Trignometrical identity cosx = √1−sin2x . cos x = √1−1625 = √925 = 35 to be the ...

Missing: =0.82 ‎| Must include: =0.82

Step-by-step explanation:

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3 years ago
Choose all options that apply. In the US Customary System, which of the following terms is used to measure volume? a) Cup b) Tab
Naddik [55]

Answer:

D) Fluid ounce

Step-by-step explanation:

Fluid ounces are a <em><u>unit used to measure volume</u></em>, or <em>how much space something takes up.</em> This measurement is used for liquid ingredients, like water or milk. When a recipe calls for fluid ounces, go ahead and pull out your measuring cup; it's the most accurate way to measure this.

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2 years ago
Some IQ tests are standardized to a Normal model N(100,19). What is the cutoff value for the top 5% of all IQs
Montano1993 [528]

Answer:

The cutoff value for the top 5% of all IQs is 131.255.

Step-by-step explanation:

When the distribution is normal, we use the z-score formula.

In a set with mean \mu and standard deviation \sigma, the zscore of a measure X is given by:

Z = \frac{X - \mu}{\sigma}

The Z-score measures how many standard deviations the measure is from the mean. After finding the Z-score, we look at the z-score table and find the p-value associated with this z-score. This p-value is the probability that the value of the measure is smaller than X, that is, the percentile of X. Subtracting 1 by the pvalue, we get the probability that the value of the measure is greater than X.

In this question, we have that:

\mu = 100, \sigma = 19

What is the cutoff value for the top 5% of all IQs

This is the 100 - 5 = 95th percentile, which is X when Z has a pvalue of 0.95. So X when Z = 1.645.

Z = \frac{X - \mu}{\sigma}

1.645 = \frac{X - 100}{19}

X - 100 = 19*1.645

X = 131.255

The cutoff value for the top 5% of all IQs is 131.255.

8 0
2 years ago
At a party there is one bottle of coke for every 3 guests, one bottle of sprite for every 6 guests, and one bottle of lift for e
kodGreya [7K]

Answer:

  72 guests

Step-by-step explanation:

We can add up the numbers of bottles per guest, then use that total to find the number of guests from the number of bottles.

<h3>Setup</h3>

Let g represent the number of guests at the party. Then there are ...

  • g/3 bottles of coke
  • g/6 bottles of sprite
  • g/4 bottles of lift

The total number of bottles is ...

  g(1/3 +1/6 +1/4) = 54

<h3>Solution</h3>

Multiplying by the inverse of the coefficient of g, we find its value to be ...

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  g = 54(12/9) = 72

There are 72 guests at the party.

7 0
2 years ago
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