Answer:
Step-by-step explanation:
Now, $7,25 <em>per</em><em> </em><em>week</em><em> </em>indicates multiplication:
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Answer:
fish food = 1/64 boxes =585/16
Step-by-step explanation:
The measurement of AB is 16.23.
Solution:
Given ACB is a right angled triangle.
AC = 10, ∠C = 90° and ∠A = 52°.
cos θ ≈ 0.616
Here AC is the base and AB is Hypotenuse.
To find the length of AB:
Do cross multiplication, we get
AB = 16.23
Hence the measurement of AB is 16.23.
Answer:
-112.5
Step-by-step explanation:
2x - 50 = -275
2x = -225
x = - 112.5
If these are terms of a geometric sequence, they have a common ratio. That is, ...
... (k -1)/(2(1 -k)) = (k +8)/(k -1)
... (k -1)² = 2(1 -k)(k +8) . . . . . multiply by the product of the denominators.
... k² -2k +1 = -2k² -14k +16 . . . eliminate parentheses
... 3k² +12k -15 = 0 . . . . . . . . put in standard form (subtract the right side)
... 3(k +5)(k -1) = 0 . . . . . . . . . factor
Possible values of k are ... -5, +1. The solution k=1 is extraneous, as it makes the first two terms 0 and the third term 8. (It doesn't work.)
The value of k is -5.
_____
The three terms are 12, -6, 3. The common ratio is -1/2.
