Answer:
Step-by-step explanation:
We have been given that human body temperatures have a mean of 98.20° F and a standard deviation of 0.62°. Sally's temperature can be described by z = -1.5.
To find Sally's temperature we will use z-score formula.
, where 
= Mean, 
= Standard deviation.
Let us substitute our given values in z-score formula.
Multiply 0.62 to both sides of equation.
Add 98.20 to both sides of equation.
Therefore, Sally's temperature will be 97.27 degrees Fahrenheit.
Answer:
A, B and E
Step-by-step explanation:
Answer:
$48, $80
Step-by-step explanation:
$50.88 is the price including tax and the discount. The discount is applied first. Then the tax is applied.
The tax is 6%, so $50.88 is 106% of the discounted price.
$50.88/1.06 = $48
$48 is the discounted price.
The discount is 40% of the original price, so the pre-tax discounted price is 60% of the original price.
$48/0.6 = $80
The original price was $80
9514 1404 393
Answer:
(a) y = -3/4x +36
Step-by-step explanation:
The slope of the rail is ...
m = rise/run = -9/12 = -3/4
The initial height of the rail is 36, so the slope-intercept equation for the rail is ...
y = mx +b . . . . . m = slope; b = initial value
y = -3/4x + 36
