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Brrunno [24]
4 years ago
8

Given the trapezoid PQRS …. Please i need help ASAP.

Mathematics
1 answer:
navik [9.2K]4 years ago
8 0
Q+P =180 so (Q is 137) p=s so (s is 43) and q = r so (r is 137)
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Which subsets of numbers does 1 2/3 belong to?
ollegr [7]

Answer:

Step-by-step explanation:

Rational numbers.

Real numbers.

4 0
3 years ago
Pls help!! Find the area of the lighter shaded region and round to the nearest tenth.
Elenna [48]

Answer:

5.1 cm² approximately

Step-by-step explanation:

A lighter= Area inscribed -1/2r² sin80°

A lighter=π r² (80°/360°) -1/2(5 cm)² sin 80°

A lighter=π(5cm)² (80°/360°) -1/2(5 cm)² sin 80°

A lighter=3.14*25cm²(80°/360°) - 12.5cm² sin 80°

A lighter=17.444…cm² - 12.31009... cm²

A lighter=5.13cm² approximately

3 0
4 years ago
Read 2 more answers
Identify the following division expressionS that have a quotient of 25. (MORE THAN ONE ANSWER)
MariettaO [177]

Answer:

a and c are correct

Step-by-step explanation:

i hoped this helped

8 0
3 years ago
Debate the following statement: "Correlation means Causation." Determine whether this statement is true or false, and provide re
Pachacha [2.7K]

Answer:

Thats FALSE.

The concept CORRELATION not automatically means CAUSATION.

Step-by-step explanation:

Previous concepts

The correlation coefficient is a "statistical measure that calculates the strength of the relationship between the relative movements of two variables". It's denoted by r and its always between -1 and 1.

And in order to calculate the correlation coefficient we can use this formula:

r=\frac{n(\sum xy)-(\sum x)(\sum y)}{\sqrt{[n\sum x^2 -(\sum x)^2][n\sum y^2 -(\sum y)^2]}}  

Solution to the problem

Some useful concepts are:

Correlation is a statistical measure described with a number that describes the size and direction of a relationship between two or more variables. The correlation between variables, NOT mean that the change in one variable is the cause of the change in the values of the other variable.

Causation is a term refered to one event as the result of the occurrence of the other event for example, there is a causal relationship between event A and B like a cause and effect. One important thing to mention here is that the causation is not an easy concept to measure.

"The difference between the two types of relationships are easy to identify since one can be measured with a numerical value and the other no (Here is one example: smoking causes an increase in the risk of developing lung cancer), or it can correlate with another ( smoking is correlated with alcoholism, but it does not cause alcoholism)".

So is clear that the concept CORRELATION not automatically means CAUSATION.

6 0
3 years ago
Need this ASAP <br><br> Having a hard time with the 10 squares 3
e-lub [12.9K]

Answer:

Area= 50√3 units^2

Step-by-step explanation:

Given:

In given triangle, there are two sides with length 10√3 and 20 along with angle of 30° between them.

As the given triangle is SAS triangle, we'll use the following formula to calculate its area:

A=1/2absinC

where a= 20

b= 10√3

and c=30°

Now putting values we get:

A=(1/2)(20)(10√3) sin(30)

  =100√3(1/2)

   =50√3

so the area is 50√3 units^2 !

4 0
3 years ago
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