How many solutions does the system have?
You can use the interactive graph below to find the answer.
(y=-5x – 1
(y= -5x +7

1) is right

step-by-step explanation:

cut 138 centimeters off

step-by-step explanation:

250-112 = 138

answer: you need to organize this better it does not make sense.

step-by-step explanation: ?

hello,

b) 62.47% of the students are between 14 and 18 years old.

step-by-step explanation:

mean = 15 and standard deviation = 2

student between 14 to 18

formula used z-score

for age 14 , z score

using z-table , p(z> -0.5)=0.3085

for age 18 , z score

using z-table , p(z< 1.5)=0.9332

p(-0.5< z< 1.5)=0.9332-0.3085 = 0.6247

thus, 62.47% of the students are between 14 and 18 years old.

click to let others know, how is it

0.0

0 votes

1

report

read more on -

step-by-step explanation: