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finlep [7]
3 years ago
5

Can someone please help me!

Mathematics
2 answers:
kirill115 [55]3 years ago
7 0
I will give u the steps
add up all of the values
then when you find the total lets say its 100% then total percent of cars would be 32%
kvasek [131]3 years ago
4 0
Whenever you see a set of percentages, always ask yourself, do they add up to 100%, and should they? In the first example, the numbers in the pie chart are not percentages because they add up to 80, not to 100%.

To convert them to real percentages, we must multiply them by 100%/80. Why? Because in this example, 80 means "everything" so that should map to 100%. To get there you first divide by the maximum (80), then multiply by 100%.

So the blue car slice with 20, maps to 20*100/80 = 25.

The second question is totally different. Here, every equal sized slice represents some score. The probability of each slice is 100/5 = 20%. there are 3 slices with a number greater than 5, so the probability is 3x20=60%, I would say the probability is likely, since it is larger than 50%.

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Solve 2y-3 = 4y + 6.<br> y=?
valentinak56 [21]

y= 3/8 OR 0.375

Step-by-step explanation:

yes

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2 years ago
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500m:2km in it's lowest form<br>​
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500m:2km (change km to m)

500m:2000m (divide by 100)

5m:20m (divide by 5)

1m:4m

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3 years ago
Answer the following questions Question one Are the following rational, irrational or neither? Please HELP ASAP ​
Alex777 [14]

Answer:

1.1) Rational

1.2) Rational

1.3) Irrational

1.4) Rational

1.5) Rational

1.6) Irrational

Step-by-step explanation:

Rational means it can be represented as a fraction where the numerator and denominator are whole numbers and vice versa for irrationals.

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Please helpp me with this asap
kirill115 [55]
I think it 0.64 because if you think about it 6 marble in the pouch won’t be enough for 2.5 gram of vintage glass so instead try to put in and see how much it fit. 3.14 - 2.6 = 0.64
8 0
3 years ago
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1. A waste management service attempts to design routes so that each of their trucks pick-up on average four tons of garbage or
Galina-37 [17]

Answer:

We conclude that garbage collector's average picking is more than four tons of garbage per day.

Step-by-step explanation:

We are given the following information n the question:

First, we design the null and the alternate hypothesis

H_{0}: \mu \leq 4\text{ tons}\\H_A: \mu > 4\text{ tons}

Significance level = 5% = 0.05

P-value = 0.04

  • The p-value is the probability of obtaining the observed results of a test, assuming that the null hypothesis is correct.
  • P values evaluate how well the sample data support that the null hypothesis is true.
  • P-value is a measure or indicator that helps us to know that whether the sample belongs to the population or not.
  • Null hypothesis states that the sample belongs to the population.
  • A high p-values states that the null hypothesis is true ad the sample belongs to the population.ll.
  • A low p-value suggests that sample provides enough evidence that you the null hypothesis is not true and the sample does not belong to the population.
  • We compare p-value to significance level to obtain our result.

Here,

p-value = 0.04 < Significance level = 0.05

Since the p-value is lower than the significance level, we fail to accept the null hypothesis and reject it. That is there were enough evidence to support the fact that sample does not belong to the population and we conclude that garbage collector's average picking is more than four tons of garbage per day.

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