Answer:
75 seconds
Step-by-step explanation:
Here, we want to get her time 6 weeks ago.
We shall have an exponential model to link this all up
The exponential model would look like;
y = I(1 - r)^n
where y is the present time
I is the initial time she started with which we are calculating
r is the rate of change which is 2% = 2/100 = 0.02
n is the week number which is 6 in this case
So we have;
66 = I(1 - 0.02)^6
66 = I(0.98)^6
I = 66/0.8858
I = 74.5 seconds
This is approximately 75 seconds
Her time 6 weeks ago is 75 seconds
Answer:
uál es el pr
Step-by-step explanation:
A. (4,-1) = -1 > 4 -5 = -1 > -1 X
B. (-1,-4) = -4 > 1 -5 = -4 > -4 X
C. (-4, 1) = 1 > 4-5 = 1 > -1 V
The answer is C. (-4,1).
The corrects answer is x=-1
You would divide both sides by -3
-3 divided by -3=x
3 divided by a negative 3= -1
Answer:
Right triangle
Step-by-step explanation:
![{5}^{2} + {(5 \sqrt{3} )}^{2} = 25 + 75 = 100 \\ \\ {10}^{2} = 100 \\ \\ \implies \: {5}^{2} + {(5 \sqrt{3} )}^{2} = {10}^{2} \\](https://tex.z-dn.net/?f=%20%7B5%7D%5E%7B2%7D%20%20%2B%20%20%7B%285%20%5Csqrt%7B3%7D%20%29%7D%5E%7B2%7D%20%20%3D%2025%20%2B%2075%20%3D%20100%20%5C%5C%20%20%5C%5C%20%20%7B10%7D%5E%7B2%7D%20%20%3D%20100%20%5C%5C%20%20%5C%5C%20%20%5Cimplies%20%5C%3A%20%20%7B5%7D%5E%7B2%7D%20%20%2B%20%20%7B%285%20%5Csqrt%7B3%7D%20%29%7D%5E%7B2%7D%20%20%20%3D%20%20%7B10%7D%5E%7B2%7D%20%20%5C%5C%20%20)
So, by converse of Pythagoras theorem given side lengths form a right triangle