subject
Mathematics, 01.06.2021 22:40 cferguson

Which expression results in a rational number? 1)
2)
3)
4)
PLS HELP :) ​


\sqrt{121}  -  \sqrt{21}
\sqrt{25}  \times  \sqrt{50}
\sqrt{36}  +  \sqrt{225}
3 \sqrt{5}  + 2 \sqrt{5}

ansver
Answers: 3

Another question on Mathematics

question
Mathematics, 21.06.2019 19:30
Which statements are true? check all that apply. the line x = 0 is perpendicular to the line y = –3. all lines that are parallel to the y-axis are vertical lines. all lines that are perpendicular to the x-axis have a slope of 0. the equation of the line parallel to the x-axis that passes through the point (2, –6) is x = 2. the equation of the line perpendicular to the y-axis that passes through the point (–5, 1) is y = 1.
Answers: 1
question
Mathematics, 21.06.2019 20:30
Tom is the deli manager at a grocery store. he needs to schedule employee to staff the deli department for no more that 260 person-hours per week. tom has one part-time employee who works 20 person-hours per week. each full-time employee works 40 person-hours per week. write and inequality to determine n, the number of full-time employees tom may schedule, so that his employees work on more than 260 person-hours per week. graph the solution set to this inequality.
Answers: 2
question
Mathematics, 21.06.2019 22:00
15 points what is the end behavior of this graph? & what is the asymptote of this graph?
Answers: 1
question
Mathematics, 21.06.2019 22:30
Question 3(multiple choice worth 1 points) use the arc length formula and the given information to find r. s = 16 cm, θ = 48°; r = ? sixty divided by pi cm thirty divided by pi cm one third cm one hundred twenty divided by pi cm
Answers: 1
You know the right answer?
Which expression results in a rational number? 1)

2)

3)

4)
...
Questions
question
English, 23.10.2021 14:00
question
English, 23.10.2021 14:00
question
English, 23.10.2021 14:00
question
Biology, 23.10.2021 14:00
question
Mathematics, 23.10.2021 14:00
question
Social Studies, 23.10.2021 14:00
question
Mathematics, 23.10.2021 14:00
question
English, 23.10.2021 14:00
question
Mathematics, 23.10.2021 14:00
question
Mathematics, 23.10.2021 14:00