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tia_tia [17]
3 years ago
5

Please help me !!!!!!!!!!!!

Mathematics
1 answer:
Law Incorporation [45]3 years ago
8 0
∠A+∠B=∠ACD
So, ∠A=93-31=62°
I think it mean that, right?
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Val buys a computer for $720. If this is 120% of what the store paid for the
Effectus [21]
The answer to this question is 120
5 0
3 years ago
The mean percent of childhood asthma prevalence in 43 cities is 2.16%. A random sample of 31 of these cities is selected. What i
IceJOKER [234]

Probability that the mean childhood asthma prevalence for the sample is greater than 2.6% is 0.0357 or 3.57 %.

What is Probability ?

Probability is the measure of likelihood of an event.

For a Normal Distribution ,

the z-score formula is given by

\rm Z = \dfrac{X - \mu }{\sigma}

Here \rm \mu\\ is the mean and \rm \sigma\\ is the standard deviation .

It is the measure of the deviation of the data from its central tendency.

Each z-score has a probability value.

It is given in the question that

Mean of 2.16% =  \rm \mu\\ = 2.16

Standard deviation of 1.36% means that  \rm \sigma\\ = 1.36

For Sample of 31 the value of standard deviation is \rm s = \dfrac{\sigma}{\sqrt{n}}

s = 1.36/√31

s = 0.2442

Substituting the values

Z = (2.6 -2.16)/0.2442

Z =1.8

the p value from the graph of z and p , 0.9643

To determine value of probability  more than X is 1 - 0.9643= 0.0357

the

Probability that the mean childhood asthma prevalence for the sample is greater than 2.6% is 0.0357.

To know more about Probability

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6 0
2 years ago
SOrry again but pleaaaase help
nikdorinn [45]

Answer:

<em><u>4(10+9) - 40 + 36</u></em>

<em><u>9(5+2) - 45 + 18</u></em>

<em><u>3(12+7) - 36 + 21</u></em>

6 0
3 years ago
Convert 4/6 into a fraction with a denominator of 24
deff fn [24]
The correct answer would be 16/24. You would need to multiply both the denominator and numerator by 4.
3 0
3 years ago
Read 2 more answers
Compare the 2 ratios by entering &gt;,&lt;,or = in the box​
Kamila [148]

Answer:

I don't see any ratios to compare.

Step-by-step explanation:

3 0
2 years ago
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