Answer: 20
Step-by-step explanation:
x+y=5
x-y=4
---------
x+y=5
x=4+y
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(4+y)+y=5
4+y+y=5
4+2y=5
2y=1
y=0.5
x=4.5
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x²-y²=(4.5)²-(0.5)²=20.25-0.25=20
Y=1x-7 is the equation and -7 is the value of B
Answer:
12
Step-by-step explanation:
each letter can be used with each other 3 times and there are 4 letters so 12
Answer:
$10
Step-by-step explanation:
0.05x=0.50
x=10
There are 100 cm(centimeters) in a m(meter).
So, to solve this, we divide 250 by 100. this gives us 2.5meters.
1500÷100=15meters
The rule is m=cm÷100.
