PLEASE I NEED URGENT HELP

Mathematics

2 answers:

kari74 [83]2 years ago

6 0

Answer:

Step-by-step explanation:

the exterior angle ACD = m< 1+ m <2 = 56+54 = 110

Ainat [17]2 years ago

5 0

Asnwer: pee juice a a a a a a a aa a a a a a a a a

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Stels [109]

Answer:

Diameter = 43.96 $m^{2}$

Circumference = 153.86 $m^{2}$

8 0

2 years ago

If the coefficient of determination is 0.9, the percentage of variation in the dependent variable explained by the variation in

vagabundo [1.1K]

Answer:

90% of the variation in the dependent variable is explained by the independent variable.

Step-by-step explanation:

We are given the following in the question:

coefficient of determination = 0.9

We have to find the percentage of variation in the dependent variable explained by the variation in the independent variable.

Coefficient of Determination:

The coefficient of determination is a measure that explains and predicts the dependent variable.
It explains the variation in the dependent variable caused by the independent variable.
The coefficient of determination, also known as the R squared value and is obtained by squaring the coefficient of correlation.

$\text{Coefficient of Determination} = R^2 = 0.9 = 0.9\times 100\% = 90\%$

Thus, 90% of the variation in the dependent variable is explained by the independent variable.

8 0

2 years ago

Please help? A plane is 160 miles north and 110 miles east of an airport. what bearing should be taken to fly directly to the ai

Vesnalui [34]

Let the position of the airport be A, the point 160 miles north be B, and the point 85 miles east of that (i.e. the location of the plane) be C. Then ABC forms a right-angled triangle.

tan BAC = 85/160 

BAC = arctan (85/160) 

= arctan 0.531 (approx.) 

= 27.98° (approx.) 

So C is N 27.98° E from A. 

The plane should fly S 27.98° W to get to the airport.

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7 0

2 years ago

Solve the proportion. I need to show much work so a step by step explanation would help!

kkurt [141]

Answer:

Solution: x=5

Step-by-step explanation:

Equations

This is an equation in the form of a proportion or ratio:

$\displaystyle \frac{2}{x+3}=\frac{5}{4x}$