02/03/22

What is the slope of a line parallel to l? (use description to answer)
The equation of line l is y = 3x + 2.
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02/03/22

Stats Question (68-95-99.7 rule)

On an exam whose scores followed a normal distribution, a student's z-score was −1. What percentage of students scored better than he did? (Use the 68-95-99.7 Rule.)
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02/02/22

Geometry help!!: Find the vertex for B
Determine the coordinates for vertex BPLEASE COPY AND PASTE THE LINK IN THE SEARCH BAR FOR THE PICTURE: https://i.postimg.cc/LXchQkyq/geometry.png
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02/02/22

4th grade math question
Maria has 15 pairs of socks. Two-thirds of them are red. Sarah has 10 pairs of socks. Half of them are red. Wendy has 12 pairs of socks. Two-thirds of them are red. How many pairs of red socks do... more
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02/02/22

Triangle RST has vertices located at R (2, 3), S (4, 4), and T (5, 0).
Part A: Find the length of each side of the triangle. Show your work. (4 points)Part B: Find the slope of each side of the triangle. Show your work. (3 points)Part C: Classify the triangle. Explain... more
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02/02/22

stats and probablity!

e BMI for female patients with Type II Diabetes is normally distributed with a mean of 32.96 and standard deviation 6.75. Use the Empirical Rule to answer part a. We expect 68% of females with Type... more
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02/02/22

Struggling! Any help would be appriciated. In previous questions i was able to get all z scores but not the probability.

Serum cholesterol is an important risk factor for coronary disease. Suppose that serum cholesterol is approximately normally distributed with mean 217 mg/dL and standard deviation 46.47... more
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02/02/22

Trigonometry Help Please
Find the exact values other 5 trig functions given that cosθ=5/13. (use fractions, and sqrt() to represent any radicals. i.e. sqrt(2)=2√)sinθ=tanθ=cscθ=secθ=cotθ=
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02/01/22

what is the value of x
what is the value of x A. 3 B. 9 C. 15 D. 30
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02/01/22

Decide if each similarity statement is true or false.
DFB~DBCCBF~FABABF~FDEFDE~FBCDecide if each similarity statement is true or false.
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02/01/22

is the perimeter 195
Given ΔVXY and ΔVWZ, what is the perimeter of the trapezoid WXYZ? Round your answer to the nearest hundredth.
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02/01/22

the measure of the seven angles in a nonogon measure 138, 154, 145, 132, 128, 147, and 130. if the two remaining angles are equal in measure, what is the measure of each angle
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01/31/22

Probability and standard deviation
You and a friend are working on shooting free throws at basketball practice. Your friend has a season average of making 80% of his shots.a. If the coach asks your friend to shoot 70 times, how many... more
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01/30/22

solving probability
Suppose that 47% of people own dogs. If you pick two people at random, what is the probability that they both own a dog?
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01/30/22

Write the equation of the line that passes through the point (2,3) and has a slope of 2/3
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01/30/22

Geometric probability and statistics question
About 35% of Americans abstain from the consumption of alcohol if Americans are selected at random find the probability that the 10th person select it will be the first one who doesn’t drink alcohol
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01/29/22

A 200 ft high cell phone tower is supported by guy wires. The wires from ground anchor to top of tower make a 63 o angle of elevation.

Cont. How long is each guy wire? How far from the base of the tower must they meet the ground?
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01/29/22

A submarine starts on the surface, and dives at a 13 angle to the surface.It goes a diagonal distance of 890 m before reaching the bottom.How deep is the water where the submarine reaches the bottom?

Cont. How far is it along the ocean surface from where the submarine started to directly above where it reached the bottom?
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01/29/22

random Probability

Fertile (female) cats produce an average of six litters per year. Suppose that one fertile, female cat is randomly chosen. In one year, find the probability she produces:a. Find the probability... more
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01/29/22

Acceptance Sampling
Many manufacturing companies use a quality control procedure called acceptance sampling to make sure that a specific production batch is up to their standards. To do this, a sample of the items... more
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01/28/22

The average credit score in Canada is 650. Assume that credit scores follow a normal distribution with a standard deviation of 80.(round each to the nearest integer)
a) Find the 80th percentile of credit scores in Canada.b) 75% of Canadians have a credit score higher than what value?c) Mac’s credit score is 770. In what percentile is his credit score?
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01/28/22

Help me with this question please!
A car’s wheel is rotating at 350 rotations per minute. If the radius of the wheel is 17 inches, find the speed of the car in feet/minutes to the nearest feet.
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01/27/22

Convert the following general form to standard form of a parabola. Show your solution. 2y^2-x-12y+18=0
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01/27/22

Given points A(-2,1) and B(4,5) , find the coordinates of point P along the directed line segment AB so that AP to PB is the ratio 3 to 7.
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01/26/22

What types of concurrent constructions are needed to find the circumcenter of a triangle?
A. intersection of the lines drawn to bisect each vertex of the triangle B. intersection of the lines drawn to the midpoint of each side of the triangle to its opposite vertex C. intersection of... more
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