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xenn [34]
3 years ago
11

Help with a geometry problem???​

Mathematics
1 answer:
jeka57 [31]3 years ago
6 0

Volume = 9in • 9in • 9in

Volume = 729 in^3

Now multiply the volume by 6 grams.

Let H = total weight of the cube in terms of grams.

H = V • 6

H = 729 • 6

H = 4,374 grams

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Given the relation R = {(-2, 3), (a, 4), (1,9), (0,7)}.
aniked [119]

Answer:

The answer would be 4

Step-by-step explanation:

you can’t have repeating numbers in a function.

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3 years ago
Work out the size of one interior angle of a regular 10 sided shape
Alex_Xolod [135]

Answer:

144

Step-by-step explanation:

Step 1: Find the sum of interior angles

Formula: 180(n - 2)

180(10 - 2)

180(8)

1440

Step 2: Assuming the 10-sided polygon's angles are all congruent, divide 1440 by 10

1440/10

144 degrees to each angle for all 10 angles.

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3 years ago
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During an experiment, a spinner landed on green 9 times, which resulted in an experimental probability of 1/6. Mary said that th
irinina [24]
Because if there was 45 trials, and u landed on green 9 times...the resulting probability would be 9/45 which reduces to 1/5, not 1/6.

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3 years ago
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A person must score in the upper 8% of the population on an IQ test to qualify for membership in MENSA, the international high-I
Cloud [144]

Answer:

A person must get an IQ score of at least 138.885 to qualify.

Step-by-step explanation:

Problems of normally distributed samples are solved using 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 problem, we have that:

\mu = 115, \sigma = 17

(a). [7pts] What IQ score must a person get to qualify

Top 8%, so at least the 100-8 = 92th percentile.

Scores of X and higher, in which X is found when Z has a pvalue of 0.92. So X when Z = 1.405.

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

1.405 = \frac{X - 115}{17}

X - 115 = 17*1.405

X = 138.885

A person must get an IQ score of at least 138.885 to qualify.

5 0
3 years ago
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Is this correct? At this time of the day my brain starts dying lol.
Paha777 [63]

Answer:

The first one is 0.63

Step-by-step explanation:

3.79 ÷ 6 is 0.63

The second one is correct

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