Answer: 3.14 :) or A pie is a baked dish which is usually made of a pastry dough casing that contains a filling of various sweet or savoury ingredients. Sweet pies may be filled with fruit, nuts, brown sugar or sweetened vegetables. Savoury pies may be filled with meat, eggs and cheese or a mixture of meat and vegetables.
or
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Answer:
speed while going = 42, while returning home = 28
Step-by-step explanation:
let his speed on the way to his parents house is (x)
then his speed while returning is x - 14
Time = Distance / speed
528 / x + 528 / x -14 = 22
multiplying the denominator ...
528x + 528x +7392 = 22x^2 +14x
1056x + 7392 = 22x^2 + 308x
0 = 22x^2 -748x -7392
"dividing by 22"
0 = x^2 -34x-336
0 = (x+8) (x-42)
x must be 42
finally jon's speed while back home is 42 - 14 = 28
Answer:
"No, because y does not change by 5 every time x changes by 1"
Step-by-step explanation:
It is easy to calculate the rate of change of a function when they give you a graph. Just locate yourself on one point on the line whose coordinates are easy to read (for example the point (0, -2) in this graph that is located on the y axis 2 units below the origin of coordinates)
Recall that the rate of change tells you the "rise over the run". That is how many units (up or down) the function changes as you move to the right certain number of units.
It is very simple to find that rate of change when we move one unit to the right. Notice that as you move from (0, -2) one unit to the right (to x=1), in order to find the y-value associated with it on the line, you need to go to the point (1, 2) which forces you to move as well 4 units up (from -2 to 2).
Therefore the rate of change here is 4/1 = 4, and not 5.
So the correct answer is the third option given in the list:
"No, because y does not change by 5 every time x changes by 1"
Start at (0,0) go to the left 2 times then go down 5 times and you should get to (-2,-5)
Answer:
an = -6*(1/4)^(n-1)
Step-by-step explanation:
We have that the recursive formula for the given geometric sequence is:
a1 = -6
an = (an-1) * (1/4)
With the above we can assume that:
r = 1/4
following the rule of the explicit formula that is given by:
an = a1 * (r) ^ (n-1)
we substitute and we have:
an = -6 * (1/4) ^ (n-1)
Therefore the explicit formula from the given data would be:
an = -6 * (1/4) ^ (n-1)