Answer:
Let's denote:
Number or gifts cost 20 = x
Number or gifts cost 22.5 = y
Then, we have:
x + y = 10
20x + 22.5y = 217.5
=> 20(10 - y) + 22.5y = 217.5
=> 2.5y = 17.5
=> y = 7 (Number or gifts cost 22.5)
=> x = 10 - 7 = 3 (Number or gifts cost 20)
Hope this helps!
:)
Answer:
13.9642400438 inches
Step-by-step explanation:
2^2+b^2=14^2
4+b^2=196
b^2=195
b=13.9642400438
Therefore, 13.9642400438 inches
Answer:
yes
Step-by-step explanation:
2(x-y) you distribute the 2 to whats inside the parenthesis
2x-2y
Answer:
She will have 7 dollars, with 96 cents remaining.
Step-by-step explanation:
326 pennies is $3.26
64 nickels is $3.20
15 dimes is $1.50
Add them all;
$3.26 + $3.20 + $1.50 = $7.96
She will have 7 dollars, with 96 cents remaining
The answer is a linear function. For y=8/11x+22
