Asurvey at your school found that 792 in 1,220 students have a cell phone. what percent of the a poinp students in school have a cell phone? round to the nearest hundredth where necessary

100/1220*792= 64.9 have cell phones.

Step-by-step explanation:

The percentage of students with cell phone is 64.92%

Step-by-step explanation:

Given

Sample Size = 1,220

Number of student with cell phones = 792

Required

Percentage of students with cell phone

To calculate the percentage of students with cell phone, we take a ratio of the number of students with cell phone to the sample size.

Mathematically, this is represented as

By Substitution,

%

% Approximated to nearest hundredth

Hence, the percentage of students with cell phone is 64.92%

given that triangle abc is transformed two times to get triangle

a"b"c"

first abc is transformed in to a'b'c' as follows:

the coordinates of a are (1,-1) and transformed into a'(-1,1)

similarly b (4,-2) became b'(-4,2) and

c(7,-2) became c'(-7,2)

i.e. (x,y) becomes (-x,-y)

this is nothing but reflection about a point here origin.

thus first transformation is reflection on the origin.

next is exactly shifting 3 units down

source:

19

step-by-step explanation: