The sum of the two numbers would be 12 and 16. 12+16=28 and 16-12=4
Answer:
(a) 
(b) 
(c) 
Step-by-step explanation:
Given
Variation: Direct
Represent ear pressure with p and depth with d.
So, we have:

when 
Solving (a): Write a variation
We have:

Write as an equation

Where: k is the constant of variation
when 
So, we have:

Make k the subject


Substitute 0.43 for k in 

Solving (b): Pressure at 50 feet
Substitute 50 for d in 


The pressure is 21.5 pounds per square
Solving (c): The safe depth
The safe depth stops at a pressure of 65psi.
Substitute 65 for p in 

Make d the subject


-- approximated
<em>The safe distance for an amateur is 151.163ft</em>
A function is a mapping from a set A to a set B, If, for all a1,a2 in A, where a1=a2, a1 and a2 get mapped to the same b in B
Answer:
The total price that he has to pay is $21.8.
Step-by-step explanation:
Mr. O'Donnell goes to the store to buy a shirt. The shirt is $20, but he also has to pay a 9% tax.
First you convert the sales tax percentage to its decimal form: in this case 9% becomes 0.09.
To calculate the cost of the tax, the following multiplication must be performed:
cost of product or service* sales tax (in decimal form) = total sales tax
In this case:
$20*0.09= $1.8
Finally, you must add the value of the total sales tax to the cost of the product or service to obtain the total cost. In this case:
$20 + $1.8= $21.8
So, <u><em>the total price that he has to pay is $21.8.</em></u>
Answer:
1/27 is the answer
Step-by-step explanation:
It is 1/(3^3) which is 1/27