Answer:
The first unanswered one is a greater than symbol. The second unanswered one is the group of two friends.
Answer:
x = 16/3
Step-by-step explanation:
y varies inversely with x if ...
y = k/x
The constant k can be found from ...
xy = k
For the given point, ...
2·8 = k = 16
The relation is symmetrical, so we also have ...
x = k/y = 16/3 . . . . substituting the value at the second given point
The missing value is 16/3.
The $1.25 one for 9 Oz box of rice would be the best buy.
<h3>How to find the Unit Price?</h3>
To get the best buy among the given items and prices, we need to find the unit price. Thus, the formula is;
Unit price = Price/Quantity
A) Unit Price = 0.90/6 = 0.15
B) Unit Price = 1.93/12 = 0.15083
C) Unit price = 2.42/16
Unit Price = 0.15125
D) Unit Price = 1.25/9 = 0.138
The $1.25 one for 9 Oz box of rice would be the best buy.
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Answer:
-5
Step-by-step explanation:
The parabolas equation is
(y - k)^2 = 4p(x - h)
Where h,k is the vertex
Substituting the vertex ad (2,-4)
(y - -4)^2 = 4p(x - 2)
(y +4)^2 = 4p(x - 2)
We need to find p from the other point they give us (-3,-3)
(-3 +4)^2 = 4p(-3 - 2)
1^2 = 4p (-5)
1 = -20p
Divide by -20
1/-20 = -20p/-20
-1/20 = p
Substituting back into the equation
(y +4)^2 = 4(-1/20)(x - 2)
Simplifying
(y +4)^2 = (-1/5)(x - 2)
FOILing
y^2 +8y +16 = -1/5x +2/5
Multiply by 5
5y^2 +40y +80 = -x +2
Subtract 2
5y^2 +40y +80-2 = -x +2-2
5y^2 +40y +78 = -x
Multiply by -1
-5y^2 -40y -78 = x
The coefficient of y^2 is -5
Answer:
(-13)^35
Step-by-step explanation:
(-13) 35 times
= (-13)^35
