02/18/21

Determine the type of sampling used (simple random, stratified, systematic, cluster, or convenience). A market researcher polls every tenth person who walks into a store.
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02/18/21

What is X squared plus 6X -71 equals zero using factoring
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02/18/21

probabilty question

For a revolver with five chambers and one bullet, write the questions for which each of these solutions are the answer.Solution A: (4/5)(4/5)(1/5) = 0.13Solution B: (1/5) + (4/5)(1/5) +... more
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02/18/21

Solve problem need help

Two bags of flour have a total weight of 8 3/4 pounds. What could be their individual weights? Select all that apply a. 7 pounds and 3/4 pound b. 3 1/4 pounds and 5 1/2 pounds c. 4 3/4 pounds and 4... more
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02/17/21

Triangle Proofs
Given:CA bisects ∠BAD AC⊥BDProve:  △BAE≅△DAE
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02/17/21

The point (3,-5) is reflected over the line x=-1. What is the location of the new point

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02/17/21

Lily,s cat had 7 kittens. Their total weight is 56 ounces. How much does each kitten weigh?
Wat is the missing part to to make the total
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02/17/21

Arithmatic and Geometric Sequences
Determine if the sequence below is arithmetic or geometric and determine the common difference / ratio in simplest form.180,30,5,...
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02/17/21

If steves garden had an area of 128 square feet, what would the length of his garden have to equal
Mark decided to build a rectangular vegetable garden in his backyard that was 8 feet long and 4 feet wide. Steve liked Mark's garden so much he wanted to build a garden that was similar in shape... more
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02/17/21

Angle of Depression
The angle of depression from a boat to a treasure chest is 37°. The distance between the boat and the treasure is 800 ft. About how far below the surface of the water is the object? Round your... more
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02/17/21

In ΔMNO, the measure of ∠O=90°, MO = 15, ON = 8, and NM = 17. What ratio represents the cosine of ∠N?
In ΔMNO, the measure of ∠O=90°, MO = 15, ON = 8, and NM = 17. What ratio represents the cosine of ∠N?
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02/17/21

Train station question
Two trains leave the station at the same time, one heading east and the other west. The eastbound train travels at 95 miles per hour. The westbound train travels at 105 miles per hour. How long... more
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02/17/21

Confidence Intervals Practice
Q1: In December 2011, Consumer Reports published their study of labeling of seafood sold in New York, New Jersey, and Connecticut. They purchased a random sample of seafood from various kinds of... more
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02/17/21

Is tan (θ) equivalent to sin (θ)/cos (θ) ?
Or is it equivalent to cos (θ)/sin (θ)
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02/17/21

Find all solutions to 2 cos ( θ ) = − 1 on the interval 0 ≤ θ < 2 π

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02/17/21

A person owns three suits, ten ties, and ten shirts. How many ways can they select a traveling wardrobe of two suits, four ties and six shirts?
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02/17/21

Here are the scores that Jenna has received on her seven quizzes: 16 11 20 19 12 1 18 What is the lower quartile
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02/17/21

If ∠𝐴 𝑎𝑛𝑑 ∠𝐵 are complementary angles and 𝑚∠𝐴 = 2 𝑚∠𝐵, find 𝑚 ∠𝐴 𝑎𝑛𝑑 𝑚 ∠𝐵.
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02/17/21

Suppose a = 10 and A = 25 degrees.
Note: Triangle may not be drawn to scale.Suppose a = 10 and A = 25 degrees.
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02/16/21

Which is the solution set of the inequality 15 y minus 9 less-than 36
Which is the solution set of the inequality 
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02/16/21

Chapters 18-19 Summative Assessment
Question 4  Previous studies have indicated that about 70% of the plants in Delaware are flowering plants, but a botanist in the region suspects the proportion might actually be greater than 70%.... more
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02/16/21

Chapters 18-19 Summative Assessment
The manager of an chicken farm expects about 70% of his chickens to grow large enough to be considered for consumption. At least how many chickens must he sample to be 90% confident of estimating... more
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02/16/21

Weekly wages at a certain factory are normally distributed with a mean of $400 and a standard deviation of $50. Find the probability that a worker selected at random makes between $300 and $350.
I need to the percentage.
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02/16/21

Chapters 18-19 Summative Assessment
Ms. Timlin calculated a 95% confidence interval. She doesn't want to lose any confidence, but she wants to have a smaller margin of error. Which of the following can she do to achieve... more
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02/16/21

math very hard :/
X=33x-12y=45 pls help me do this
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