Answer: c
Step-by-step explanation:
i did the test
Hey!!
here is your answer >>>
let's find x first ,
2x + 48 = 180
2x = 132
x = 66!.
there is a right angle,
the angle below the right angle is also 90°
angle y would be ,
180 - (90+ 48)
180- 138
=> 42
answer is 42!.
if helped!. brainliest
Answer: Jack
Step-by-step explanation: This is because you already found out the 78% so therfore you have to find the decimals and then convert it to a percentage. the fraction (jack) converts to .875 which is 87.5%. Then the decimal is 73%.
Answer:
Step-by-step explanation:
Given that fish length X is having the normal distribution for which the mean is 9 inches and the standard deviation is 2 inches.
X : N(9,2)
A) 
B) Here sample size = 300

Out of 300 fish we can expect 300(0.3085) to be shorter
i.e. 92.55=93 fish