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Given: ABCD is a trapezoid, AD = 10, BC = 8, CK - altitude Area of ∆ACD = 30. Find: Area of ABCD
General
10 months ago
PLEASE ANSWER FAST PLEASE!!!!!!1. Beatrice decides she wants to babysit a few children at the same time to earn the money faster. She tells parents that if they allow her to babysit their children at her house, she will eliminate her automatic $5 tip and will give them an additional $5 discount.(a) Write an equation showing the total cost for each client. Identify all variables.(b) Four parents bring their children to Beatrice’s house at the same time for babysitting. Beatrice wants to find out how many hours she must babysit the 4 children to earn exactly the $100 she needs in order to buy the present for her mother. Write and solve an equation to find the number of hours. Justify each step in the solution.(c) One parent decides not to drop off her child. The remaining 3 parents drop their children off at 9 a.m. Two of the parents say they will be back at 1 p.m. The third parent says she will pick up her child at 2 p.m. At noon, Beatrice realizes she needs help feeding the 3 children at the same time. She tells her little sister that she will pay her if she helps feed the children. How much can Beatrice pay her little sister and still make sure she has enough money to buy her mother a $100 present? Show your work and justify your answer.
General
10 months ago
Find the perimeter and the area of the polygon with the given vertices. J (1,2), K (7,2), L (7,8), M (1,8)
General
10 months ago
A news reporter wants to estimate the percentage of registered voters who will vote for a particular candidate in an upcoming election.Which statement describes a method that will help him accurately estimate this percentage?He could ask his readers to respond to a survey that asks which candidate the reader will vote for and then calculate the percentage of people who say that they will vote for the particular candidate.He could ask employees at the newspaper which candidate each will vote for, and then calculate the percentage who will vote for the particular candidate.He could contact every resident in the town, ask whether the resident will vote for the particular candidate, and then calculate the percentage of residents who say they will vote for the particular candidate.He could take a random sample of registered voters, and then calculate the percentage of the sample who will vote for the particular candidate.
General
10 months ago
The line plots show the number of hours two different age groups of teenagers spent online the previous week.Two line plots, both are labeled from twelve to thirty six going by ones underneath the line plot. The top line represents Hours spent online parenthesis ages thirteen to fifteen parenthesis. There are three Xs over twenty eight, two Xs over twenty seven and one X over twenty one, twenty four, twenty six, thirty one and thirty four. The bottom line represents Minutes spent online parenthesis ages sixteen to eighteen years old parenthesis. There are four Xs over twenty eight and one X over twelve, twenty one, twenty seven, thirty point five, thirty four, thirty five and thirty six.Select from the drop-down menus to complete each statement.The range is . The mean
General
10 months ago
The function graphed approximates the height of an acorn, in meters, x seconds after it falls from a tree. After about how many seconds is the acorn 5 m above the ground?
General
10 months ago
Which two equations would be most appropriately solved by using the zero product property? Select each correct answer. 4x² = 13 0.25x2+0.8x−8=0 −(x−1)(x+9)=0 3x2−6x=0
General
10 months ago
Choose the correct simplification of the expression (5xy5)2(y3)4. 25x2y22 10x2y22 25x3y14 10x3y14
General
10 months ago
John has a blueprint for a square-shaped office. He decides to change the layout and so draws a new blueprint such that the width of his office increased by 15 feet. The area of his office according to the new blueprint is given by the expression below, where x is the side length, in feet, of the original square-shaped office.x^2+15xWhich statement best describes the term 15x?the area of the office according to the old blueprintthe width of the office according to the new blueprintthe area added to the office according to the new blueprintthe area of the office according to the new blueprint
General
10 months ago
Jorden drives to the store at 30 miles per hour. On her way home she averages only 20 miles per hour. If the total driving time takes half an hour, how far does she live from the store?
General
10 months ago
Aisha owns an apparel store. She bought some shirts and jeans from a wholesaler for $3,900. Each shirt cost $12 and each pair of jeans cost $28. If she sold the shirts at 70% profit and jeans at 125% profit, her total profit was $3,885. How many shirts and jeans did she buy from the wholesalers? 101 shirts and 96 jeans
General
10 months ago
PLZ HELP!!!!!!! Can a kite be formed by drawing a triangle and then reflecting one or more times? Explain. Select one:a. Yes. Draw any triangle ABC. Reflect this triangle across the perpendicular bisector of line AB, creating triangle A'B'C' for which A'=B and B'=A. By the definition of a reflection, sides A'C and B'C' are congruent. In addition, sides B'C and A'C' are congruent. The quadrilateral CC'B'A' has two pairs of consecutive sides that are congruent and no congruent opposite sides. By definition, this is a kite.b. Yes. Draw any triangle ABC. Reflect this triangle across the line AB, creating triangle A'B'C' for which A'=A and B'=B. By definition of a reflection, sides B'C and B'C' are congruent. In addition, sides A'C and A'C' are congruent. The quadrilateral CA'C'B' has two pairs of consecutive sides that are congruent and no congruent opposite sides. By definition, this is a kite.c. No. Since the reflection of a triangle is always another triangle, there is no way to create a quadrilateral using a triangle or its reflection.d. No. It is not possible to reflect a triangle in such a way that the result is quadrilateral with any consecutive sides that are congruent.
General
10 months ago
Match the numbers in scientific notation with the corresponding numbers in standard notation.232,000,0000.000004312,320,000,0000.0000000000004312.32E92.32E84.31E-134.31E-6
General
10 months ago
What is the length of YX¯¯¯¯¯¯? Enter your answer as a decimal in the box. Round your final answer to the nearest hundredth. m_https://static.k12.com/nextgen_media/assets/8107298-NG_GMT_SemB_10_UT_06.png'
General
10 months ago
Which of the following statements is true about lines 3y + 2x - 9 = 0 and 12y + 8x - 5 = 0? They are parallel They are perpendicular They are parallel to the x-axis They are parallel to the y-axis
General
10 months ago
If the dimensions of a parallelogram are increased by a factor of two, how will the perimeter of the object be affected?increase by a factor of fourdecrease by a factor of one-fourthincrease by a factor of twodecrease by a factor of one-half
General
10 months ago
A car is traveling at a speed of 44 feet per second. What is the car’s speed in miles per hour? How many miles will the car travel in 4 hours? In your computations, use the fact that 1 mile is equal to 5280 feet. Do not round your answers
General
10 months ago
Write a trinomial of degree 35
General
10 months ago
t takes Dariya 35 seconds to download 5 songs from the Internet. How can the number of seconds it would take Dariya to download 7 songs at this rate be determined?
General
10 months ago
A mutual fund has total assets of 2.4 million dollars and 300,000 shares. What is the net asset value of one share of the fund? a. $0.08 b. $0.80 c. $8.00 d. $80.00
General
10 months ago
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