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MATH SOLVE
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A latter leans agains the side of a house.The top of the ladder is 24ft from the ground. The bottom of the lAdder is 7ft from the side of the house. Find the length of the ladder.
General
2 months ago
Could some one help?
General
2 months ago
Terrence randomly sampled 400 people and asked them if they prefer spring or fall. The results of his sample yielded an estimated population proportion of 43% who prefer spring. Deena randomly sampled 1,200 people and asked them if they prefer spring or fall. The results of her sample also yielded an estimated population proportion of 43% who prefer spring. If Terrence and Deena use the same confidence level, which statement best describes the results of their margin of error calculations?Terrence’s margin of error will be exactly three times as large as Deena’s.Deena’s margin of error is half the amount of Terrence’s.If Terrence samples 800 more people, his margin of error will be the same as Deena’s.If Deena samples 400 fewer people, her margin of error would be exactly half the amount of Terrence’s.
General
2 months ago
Hazel and Jody received their monthly cell phone bills on Thursday. Hazel's bill showed that she had a balance of -14 minutes of talk time remaining, which meant she went over her limit.Jody's bill showed that he had a balance of 20 minutes of talk time remaining.What is the difference between the remaining number of minutes? A. 34 min B. 6 min C. 3 min D. 39 min
General
2 months ago
Which represents an exterior angle of triangle ABF?∠BAD∠AFE∠CAD∠CAB
General
2 months ago
Which BEST approximates the area of the geometric figure? 50 points please helpA) 6 square units B) 8 square units C) 10 square units D) 12 square units
General
2 months ago
Please help! The following three shapes are based only on squares, semicircles, and quarter circles. Find the perimeter and the area of each shaded part.
General
2 months ago
In the year 2000, the United States had a population of about 281.4 million people; by 2010, the population had risen to about 308.7 million.Part AFind the 10-year continuous growth rate using P=[tex]P_{0}[/tex][tex]e^{rt}[/tex].Part BWrite an equation to model the population growth of the United States, and use it to estimate the population in 2020.
General
2 months ago
An architect is designing a ramp that allows handicapped persons to get to a door's level that is 12 feet off the ground. What is the maximum angle of elevation for the rap, rounded to the nearest hundredth of a degree? What is the shortest possible length of the ramp, rounded to the nearest tenth of a foot? The ramp can not have an incline surpassing a ratio of 1:12.
General
2 months ago
what is the standard equation for a parabola with focus (3,5) and directrix x=7
General
2 months ago
Two boats depart from a port located at (–8, 1) in a coordinate system measured in kilometers and travel in a positive x-direction. The first boat follows a path that can be modeled by a quadratic function with a vertex at (1, 10), whereas the second boat follows a path that can be modeled by a quadratic function with a vertex at (0, –7). Which system of equations can be used to determine whether the paths of the boats cross?
General
2 months ago
cos4theta+cos2theta/ cos4theta-cos2theta= _____-cot3θcotθ-2cot3θcotθcot6θcot2θ-1
General
2 months ago
From a shipment of 65 transistors, 6 of which are defective, a sample of 5 transistors is selected at random.(a) In how many different ways can the sample be selected?________ways(b) How many samples contain exactly 3 defective transistors?________samples(c) How many samples do not contain any defective transistors?________ samples
General
2 months ago
A father wishes to give his son P200, 000 ten years from now. What amount should he invest if it will earn interest at 10% compounded quarterly during the first five years and 12% compounded annually during the next five years? A. P68,757.82 B. P62,852.23 C. P69,256.82 D. P67,238.54
General
2 months ago
A company builds a new wing for its east branch and knows that each additional room will gain $1200 of profit. The construction company will cost $44,000 to construct the wing.How many rooms are need to break even? (Hint: You must PAY the fee to the construction company.)If you wanted to make twice as much profit as you spent, how many rooms would need to be built?
General
2 months ago
Inâ 2001, the population in a town was 11% more than it was in 2000. If the population was 25,570 in 2002 which was 10% more than 2001 find the population in 2000write the number (Round to the nearest wholeâ number.)
General
2 months ago
Find the GCF of 21, 63 and 105.
General
2 months ago
According to an informal poll in Glenview 1/3of the men and 2/3 of the women said theywould vote for John Smith. On election day,one and a half times as many men as womenvoted. What fraction of the total vote,according to the poll, should be cast for JohnSmith?
General
2 months ago
sin4xcos2x = 1/2sin6x + 1/2sin2x1/2sin6x - 1/2sin2x1/2cos2x + 1/2cos6x1/2cos2x - 1/2cos6x
General
2 months ago
Your jewelry business orders $1320 in supplies each month. In each month, you can usually sell an earring/ring set for about $55 each. How many sets do you need to sell each month to break even?If you found that your total profit for a month was $715, how many sets did you sell?If you had a month where 7 sets were sold, how much profit did you make?
General
2 months ago
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