Mathematics, 24.09.2020 22:01 Uhmjujiooo45701
The manager of Lawn and Garden Services would like to estimate the proportion of her employees' time spent performing various gardening and lawn care activities. She has made 400 random observations of a typical worker, with the following results: Activity Time Observed Mowing 200 Trimming 80 Raking 40 Miscellaneous 80 What is the probability that the true proportion of time spent mowing is exactly equal to the sample proportion?
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Mathematics, 21.06.2019 15:20
Find the image of a(4, -2) after it is reflected over the line y= 2, then reflected over the line x = 2. (-8,6) o (0.-2) o (0,6) (-8, -2)
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Mathematics, 21.06.2019 18:10
Drag the tiles to the boxes to form correct pairs. not all tiles will be used. match each set of vertices with the type of quadrilateral they form.
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Mathematics, 21.06.2019 22:10
Given: ae ≅ ce ; de ≅ be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that △aeb ≅ △ced, we can show that △ ≅ △ceb by. so, ∠cad ≅ ∠ by cpctc. therefore, ad || bc by the converse of the theorem. since both pair of opposite sides are parallel, quadrilateral abcd is a parallelogram.
Answers: 1
Mathematics, 21.06.2019 23:00
George writes the mixed number as sum and uses the distributive property 1/2.-2/5=1/2-2+2/5=1/2
Answers: 1
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