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Questions by shane91 - Page 11
Mathematics
High School
The are of the triangle below is 28.8 square centimeters. What is the length of the base?
Mathematics
College
The converse of the Pythagorean Theorem states that if the three sides of a triangle work for the equation a2 + b2 = c2, then the triangle is a right triangle. To prove this, you can use whats called a proof by contradiction. That is, you can prove something is true because it cannot be false.Start by assuming a triangle is not a right triangle and the sides work for the equation a2 + b2 = c2. Here is a diagram of the triangle. Keep this diagram window open as you work on the tasks in this section.Now, create a right triangle with legs a and b. Call the hypotenuse n.Part A - Since triangle 2 is a right triangle, write an equation applying the Pythagorean Theorem to the triangle.Part BSince the equations for both triangles have a2 + b2, you can think of the two equations for c2 and n2 as a system of equations. Substitute what a2 + b2 equals in the first equation for a2 + b2 in the second equation. After you substitute, what equation do you get?Part CNow, take the square root of both sides of the equation from part B and write the resulting equation.Part DIs there any way for this equation to be true? How?Part EWhat does this show about the relationship between the two triangles?
Mathematics
College
The coordinates of point A are (-3, 6) and the coordinates of point B are (3-6). Find the slope of AB A) The slope is 2.B) The slope is 0. C)The slope is 1 / 2D) The slope is -2.
Mathematics
High School
A local nursery sells a large number of ornamental trees every year. The owners have determined the cost per tree C for buying and caring for each tree before it is sold is C = 0.001n2 - 0.3n + 50. In this function, C is the cost per tree in dollars and n is the number of trees in stock.a. How many trees will minimize the cost per tree?b. What will the minimum cost per tree be?
History
High School
What is something that the crusades and the plague have in common?
Mathematics
High School
helppp mee plssss tqvm
Business
High School
Suppose that the government decides to regulate this natural monopolist by requiring the firm to charge a price of P2. Which is true if the government takes this approach
Physics
High School
in a longitudinal wave, the motion of the disturbance is in what direction relative to the wave motion?
Chemistry
College
Into a 125 mL Erlenmeyer flask was added some KI and H2SO4 as described in the procedure section of this experiment. Then 3.0 mL of bleach solution was added to the flask and it was immediately titrated with 0.1261 M sodium thiosulfate solution. It required 41.26 mL of this sodium thiosulfate solution to reach the end point of the titration. What is the percentage of NaOCl in the bleach
Mathematics
Middle School
Without graphing, find the slope of the line that goes through(0,5) and (8,2).(2,-1) and (6,1).(-3,-2) and (-1,-5).
Spanish
High School
what is the yo form of loser in the conditional tense
Mathematics
High School
Algebra 1 Honors Question
Mathematics
College
Plz help Due tomorrow what are the answers you get 20 points
English
High School
how important is being accurate in anything that we do
Mathematics
College
A coach asked her athletes if they enjoy running. Fifty-five percent of the team do not like to run. Of those, 70% enjoy cycling, while 80% of those who enjoy running also enjoy cycling. The tree diagram shows how the athletes are divided into subgroups.The tree diagram shows athletes branching off into two categories, enjoys running and does not enjoy running. Enjoys running branches off into two sub-categories, enjoys cycling and does not enjoy cycling. Does not enjoy running branches off into two subcategories, enjoys cycling and does not enjoy cycling.What is the total percentage of the athletes who enjoy cycling? 9% 25.5% 55% 74.5%
Biology
High School
The blade of the leaf is broken down into what three parts
English
High School
Which question can be answered by the dialogue in Scene 2?A)How did the store owners clean up the flood?B)What did the kids do to get so many clothes?C)When would the store move to another location?D)Why did they test the clothes on the soccer field?
Mathematics
High School
16. A community group is planning the expansion of a square flower garden in a city park. If each side of the original garden is increased by 3 meters, the new total area of the garden will be 225 square meters. Find the length of each side of the original garden. A. 15m B. 3m C. 12m D. Square root of 12m17. What is the value of c so that x^2-11x+c is a perfect-square trinomial? A. 121, B. 121/4, C. -11/2, D. 121/2 18. PLEASE HELP ASAP! Solve the equation by completing the square. Round to the nearest tenth. X^2+8x=10 A. 1. 1, 9. 1 B. 1. 1,-9. 1 C. -1. 1,9. 1 D. -1. 1, -9. 1
Chemistry
High School
If 44. 0 grams of sodium reacts with 10. 0 grams of chlorine gas, how many grams of sodium chloride could potentially be formed? 2 na(s) + cl2(g) 2 nacl(s)
Chemistry
High School
Calculate the ph of the resulting solution when 85 mL of 0. 3 M nitric acid is mixed with 75 mL of 0. 2 magnesium hydroxide
Geography
High School
Regions that receive up to 20 inches of rainfall per year are referred to as __________ because they receive more precipitation than most deserts. question 7 options: semiarid deserts coastal deserts polar deserts subtropical deserts
Chemistry
High School
how many periods are there in a periodic table of elements
Physics
High School
A cathode ray tube is made of glass with a small amount of some kind of gas in it. It has metal electrodes at each end to pick up an electric current. The electrodes are named "positive" and "negative. "
Business
High School
3. A post closing trial balance includes the following excepta. Assets c. Equityb. Liabilities d. Revenue
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