03/01/21

A triangle has an area of 1362 cm², and two of the sides of the triangle have lengths 84 cm and 83 cm. Find the angle included by these two sides.
acute angle = °obtuse angle = °
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03/01/21

Word Problem x2
The sum of the ages of Erik and Tiffany is 57 years. 6 years ago, Erik's age was 2 times Tiffany's age. How old is Erik now?
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03/01/21

The point (−5, −3) is on the terminal side of angle 𝜃. Evaluate the six trigonometric functions for 𝜃.
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02/28/21

Determine if the quadrilateral is an isosceles trapezoid
The coordinates of the vertices of quadrilateral ABCD are A (0,0), B(a,b), C (c,b) and D (a+c,0). Using the coordinates, determine if quadrilateral ABCD is an isosceles trapezoid.
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02/28/21

Probability: Calculate two events.
Let A and B be two events belonging to the same sample space, such that P (A) = 1/2, P(B) = 3/5 and P (A ∩ B) = 1/4. Calculate the probabilities of upcoming events: At least A or B occurs. A... more
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02/28/21

Probability: Calculate two events.
Let A and B be two events belonging to the same sample space, such that P (A) = 1/2, P(B) = 3/5 and P (A ∩ B) = 1/4. Calculate the probabilities of upcoming events: At least A or B occurs. A occurs... more
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02/28/21

Find x, y, and AI in the parallelogram

In parallelogram KASI, the diagonals AI and KS intersect at P. If KP=2x, PS= y-1, AP= 2y-1, and IP= 2x+3, find x, y, and AI.
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02/28/21

Use Analogy to explain
Use an analogy to explain a Type I error and a Type II error and discuss its significance in hypothesis testing. You can also draw or use images to support your description.
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02/28/21

The mean. The median. The quartiles. An stem and leaf diagram.
Part 1: Explain briefly, in the context of statistical analysis, what is: 1. The mean 2. The median 3. The quartiles 4. An stem and leaf diagram Hint: you can use examples, give descriptions,... more
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02/26/21

Give your answers to three decimals.
If n = 100 and p^ = 0.45, construct a 95% confidence interval. < p < Give your answers to three decimals.
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02/26/21

Give your answers as decimals to 3 places.
Out of 500 people sampled, 185 had kids.The best point estimate for p is .The margin of error for a 95% confidence interval is 
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02/26/21

 (Enter your answer as a number accurate to 4 decimal places.)
In a recent year, the Better Business Bureau settled 75% of complaints they received. You have been hired by the Bureau to investigate complaints this year involving computer stores. You plan to... more
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02/26/21

9th grade geometry and angles
Angle A and Angle B are alternate interior angles. Angle A measures 4x+7. Angle B measures 6x-13. What is the value of x?
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02/26/21

9th grade algebra
Angle A and Angle B are the same side interior angles. Angle A measures 4x+7. Angle B measures 6x+23. What is the value of x?
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02/26/21

Triangle geometry
Triangle ABC has an exterior angle adjacent to Angle A that measures (4x) degrees. Angle B measures 25 degrees and angle C measures (3x) degrees. What is the value of x? What is the measure of each... more
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02/26/21

Find the centroid of the triangle with vertices K(-6,9), L(6,1), and M(-6,-7).
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02/26/21

Which three lengths cannot be the lengths of the three sides of a triangle?
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02/26/21

Find the circumcenter of triangle EFG with E(4,4), F(4,0), and G(8,0).
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02/26/21

For a triangle, list the respective names of the points of concurrency of: perpendicular bisectors, angle bisectors, medians, altitudes
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02/26/21

Two sides of a triangle have lengths 5 and 17. What must be true about the length of the third side?
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02/26/21

In triangle ABC, centroid D is on median segment AM. If AD = x + 2 and DM = 2x - 6, then what is the length of segment AM?

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02/26/21

Lauren was at the pier at the beach approach trying to find her sister. She saw her at the water's edge at an angle of depression of 12 degrees .
If the pier is 5 yards above the sand, how far down the beach is Lauren's sister?Round your answer to the nearest yard.help please,also do it step by step please
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02/26/21

The angles of a ABC are given in terms of the variable x as follow
angles A=3x+28angles B=5x+52angles C=2x-10
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02/26/21

statistics help! standard deviation
The standard deviation of Y is 1.236.Choose the best interpretation of the standard deviation from those given below.A) The most common number of siblings among high school students is 1.236.B) The... more
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02/26/21

statistics help! discrete and continuous variables
Identify if the following scenarios describe a discrete or continuous random variable. X = The number of persons in an emergency room W = The weight of an elephant at the zoo  H = The areas of... more
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