A + b = 45
a - b = 21
a = 21 + b
Use substitution
21 + b + b = 45
2b = 24
b = 12
45 - 12 = 33
The numbers are 33 and 12
Hello :
<span>a point on the y-axis is : P( 0, y)
</span>PA = PB or PA² = PB².... A(7, -7) B(1,1)
(7-0)²+(-7-y)² = (1-0)² + (1-y)²
49+49+14y+y² = 1+1-2y+y²
16y = - 96
y= - 6
A value equal to -(-3.7) is 3.7
The negative signs outside and inside zero out each other, which means you will get a positive. Think of (negative) as opposite. The opposite of an opposite will cancel out and give you what you had.
9514 1404 393
Answer:
A. b = 2/5f
Step-by-step explanation:
Andre's equation is in the form ...
b = kf
The value of k can be found by dividing by f:
b/f = k
For Priya's recipe, the values are ...
b/f = k = 3/7.5 = 2/5
Andre's equation is ...
