Mathematics, 12.01.2022 02:40 madyson304
the total attendance at a concert in a theater hall was 1500, of this total 400 were children,850 were women , and the remaining were men .find the percent of the total attendance represented by:a. children b. women c. men
Answers: 1
Mathematics, 21.06.2019 19:00
Rob spent 25%, percent more time on his research project than he had planned. he spent an extra h hours on the project. which of the following expressions could represent the number of hours rob actually spent on the project? two answers
Answers: 1
Mathematics, 21.06.2019 23:00
Alex measured the length of an item to be 3.7 cm. the actual length is 3.5 cm. what is alexâs percent error?
Answers: 2
Mathematics, 22.06.2019 01:10
Given: ae â
ce ; de â
be prove: abcd is a parallelogram. we have that ab || dc. by a similar argument used to prove that âłaeb â
âłced, we can show that âł â
âłceb by. so, â cad â
â 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: 3
Mathematics, 22.06.2019 03:40
Anull hypothesis states that the difference between 8 hours of sleep and 3 hours of sleep has no effect on the number of pictures a student will remember during a picture memory interface test (pmit). examining the mit database, an extremely small t-value of 0.1611 is found. this t-value is much smaller than the smallest t-value on the chart for p-value reference. from this information we can: select one: a. accept the null hypothesis because the p-value obtained shows that the difference between the two groups being tested is not statistically significant b. accept the null hypothesis because the p-value obtained was statistically significant c. reject the null hypothesis because of the p-value obtained d. reject the null hypothesis because the data obtained is statistically significant
Answers: 3
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