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EleoNora [17]
3 years ago
7

Which statement about histograms is true?

Mathematics
2 answers:
sattari [20]3 years ago
8 0

Answer:

Histograms can be used to exhibit the shape of distributions.

Step-by-step explanation:

kondor19780726 [428]3 years ago
3 0

Answer: Histograms can be used to exhibit the shape of distributions.

Step-by-step explanation:

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Solve for x, given a=117. Round your answer to one decimal place.
slava [35]

Answer:

x = 63

Step-by-step explanation:

We can find the value of x by multiplying the difference of large arc to small arc with 1/2

if a = 117° then the large arc would be 243

1/2 × (243 - 117) = 63

7 0
3 years ago
35 POINTS!!! PLEASE HELP !!!!!!!!!!!!!!
lyudmila [28]

Answer:

The function is increasing from x = 0 to x = 1.

Step-by-step explanation:

A <u>function</u> is increasing when the <u>y-value increases</u> as the <u>x-value increases</u>.

A <u>function</u> is decreasing when the <u>y-value decreases</u> as the <u>x-value increases</u>.

From x = -2 to x = -1 the function is decreasing as the y-value decreases as the x-value increases:  

  • x-value -2 to -1 → increase
  • y-value 2 to 0 → decrease

From x = -1 to x = 0 the function is increasing as the y-value increases as the x-value increase:  

  • x-value -1 to 0 → increase
  • y-value 0 to 2 → increase

From x = 0 to x = 1 the function is increasing as the y-value increases as the x-value increase:  

  • x-value 0 to 1 → increase
  • y-value 2 to 8 → increase
7 0
2 years ago
1) Identify the slope in the equation y = 1/4 x + 2
igor_vitrenko [27]

Answer:  1/4

Step-by-step explanation:

y=mx+b

y=slope+y-intercept

mx=1/4

4 0
3 years ago
Read 2 more answers
The weights of cockroaches living in a typical college dormitory are approximately distributed with a mean of 80 grams and a sta
Romashka [77]

Answer:

The percentage of cockroaches weighing between 77 grams and 83 grams is about 55%.

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 = 80, \sigma = 4

The percentage of cockroaches weighing between 77 grams and 83 grams

This is the pvalue of Z when X = 83 subtracted by the pvalue of Z when X = 83. So

X = 83

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

Z = \frac{83 - 80}{4}

Z = 0.75

Z = 0.75 has a pvalue of 0.7734

X = 77

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

Z = \frac{77 - 80}{4}

Z = -0.75

Z = -0.75 has a pvalue of 0.2266

0.7734 - 0.2266 = 0.5468

Rounded to the nearest whole number, 55%

The percentage of cockroaches weighing between 77 grams and 83 grams is about 55%.

7 0
4 years ago
If Julia has 20 cupcakes, and 10 people eat one cupcake, how much cupcakes are left?
Feliz [49]
There are going to be 10 cupcakes left,hope I helped (:
8 0
3 years ago
Read 2 more answers
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