Answer:
A) D + Q = 50
B) .10D + .25Q = 7.10
We multiply A) by -.10
A) -.10D - .10Q = -5 then adding this to B)
B) .10D + .25Q = 7.10
.15Q = 2.10
Quarters = 14 = 3.50
Dimes = 36 = 3.60
Step-by-step explanation:
Answer:
33 and 42
Step-by-step explanation:
Answer:

Step-by-step explanation:
, p is false.
, p is false.
, r and q are falses.
. this sentence is true.
s
Answer:
9.45
Step-by-step explanation:
none
Answer:
Yes
Step-by-step explanation:
To figure out if a triangle is a right triangle, you have to plug in the side lengths into the equation
+
= 
Your equation should look like 
Now you simplify. The equation should be: 26.01 + 46.24 = 72.25
Then add 26.01 and 46.24 to get 72.25 = 72.25
Since they are equal, the triangle is a right triangle.