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Ulleksa [173]
3 years ago
8

I need help with this TnT

Mathematics
1 answer:
miv72 [106K]3 years ago
4 0

all u are doing is adding them up

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An adult house cat could be about ____ high. A. 1 inch B. 1 foot C. 4 inches D. 4 feet
sladkih [1.3K]
The answer is B. 1 foot
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2 years ago
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Which of these vectors can be written as a linear combination of vector[-6,-4,7,1] and [-4,-3,2,-1]?
borishaifa [10]

Answer:

Step-by-step explanation:

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3 years ago
Help me on this one guys. I’m so bad at math as well as some other subjects
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3 years ago
Classify each function as even, odd, or neither even nor odd.
drek231 [11]

The function

f(x) is even

g(x) is neither even nor odd

h(x) is odd

Steps:

for an even function it holds that f(-x) = f(x):

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for an odd h(x) it holds that h(-x) = -h(x):

h(-x) = (-1)^5x^5-(-1)^3x^3 = -(x^5-x^3) = -h(x) \implies h(x)\,\, \mbox{even}

It is easy to show that g(x) does not match any of the two possibilities above.


8 0
3 years ago
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The half-life of cesium-137 is 30 years. Suppose we have a
VMariaS [17]
(a) If y(t) is the mass (in mg) remaining after t years, then y(t) = y(0) e^{kt}=100e^{kt}.

y(30) = 100 e^{30k} = \frac{1}{2}(100) \implies e^{30k} = \frac{1}{2} \implies k = -(\ln 2) /30 \implies \\ \\
y(t) = 100e^{-(\ln 2)t/30} = 100 \cdot 2^{-t/30}

(b) y(100) = 100 \cdot 2^{-100/30} \approx \text{9.92 mg}

(c)
100 e^{- (\ln 2)t/30} = 1\ \implies\ -(\ln 2) t / 30 = \ln \frac{1}{100}\ \implies\ \\ \\
t = -30 \frac{\ln 0.01}{\ln 2} \approx \text{199.3 years}
 
3 0
3 years ago
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