So the equaiton is
number of nickes=n
number of quarters=q
if you have 1 quarter then you have 25 cents so we will represent like this
25q
and nickles is 5n
14.50=1450 cents
so
25q+5n=1480
q+n=88
subtract q from both sides
n=88-q
subsitute into first equation
25q+5(88-q)=1480
25q+440-5q=1480
add like terms
20q+440=1480
subtract 440 from both sides
20q=1040
divide both sdies by 20
q=52
there were 52 quarters
25(52)+5n=1480
1300+5n=1480
subtract 1300 from both sides
5n=180
divide both sides by 5
n=36
there were 36 nickels
nickles=36
quarters=52
X = 89
A triangle always equals 180°. Because two out of three angles are given, the two known angles (42° and 49°) can be added together which is 91°. The 91° can be subtracted from 180° to find the unknown angle x.
Answer:
7
Step-by-step explanation:
Because half of 40% is 20%
So 14%2 = 7
Answer:
(18, 25 )
Step-by-step explanation:
The translation rule
(x, y ) → (x + 3, y - 7 )
means add 3 to the original x- coordinate and subtract 7 from the original y- coordinate, then
(15, 32 ) → (15 + 3, 32 - 7 ) → (18, 25 )
Answer:
Parallel line: - 1/2
Perpendicular line: 2
Step-by-step explanation:
