Questions by BFry

Questions by BFry

Determine which polynomial is a perfect square trinomial. (5 points) 49x2 − 28x + 16 9a2 − 30a + 25 25b2 − 45b − 81 16x2 − 24x − 9 I know how to slove but isn't b and d perfect square trinomials ??

asked Jul 21, 2018

2 answers

0 votes

158k views

Find the population standard deviation (σ not S) for the data set: {75,80,90,95,75,85,55,80,90,95} Round your answer to the nearest 10th.

asked Jan 16, 2018

1 answer

5 votes

138k views

Write three numbers greater than 20 that have 9 as factor

asked Dec 7, 2017

2 answers

4 votes

144k views

Which type of website represents the current administration's point of view and can be trusted to provide reliable information? .gov .org .edu

asked Apr 19, 2017

2 answers

2 votes

62.0k views

what is the most important point in the following sentence my sister Emily the tallest girl in her class has many friends

asked Dec 3, 2016

1 answer

1 vote

75.6k views

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