2 years ago

Ausbin decides to use khan academy

Mathematics

2 answers:

77julia77 [94]2 years ago

5 0

So? what’s the problem?

gulaghasi [49]2 years ago

4 0

Answer:

So?

Step-by-step explanation:

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What's the product of 70x6000

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The product of 70 and 6000 is 420,000.

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3 years ago

Module Six Project Option 1

Alex787 [66]

The answer is b that’s what i would pick

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3 years ago

Eight friends ate ⅝ of a bag of chips. What fraction of the bag did each person eat, assuming that they each ate the same amount

Nataliya [291]

Answer:

Option B. of the bag.

Step-by-step explanation:

Eight friends ate of a bag of chips in the same amount.

We have to find the quantity that each person ate the chips.

Each friend ate = ÷ 8

= ×

Therefore, each friend ate of the bag of chips.

Option B is the answer.

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3 years ago

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Using the graphing tool, determine the function for the graph that passes through the points (2.1,2.4), (4.3,6.8), and (6.1,1.9)

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Answer:

f(x) = -1.18056x² +9.55556x -12.4604

Step-by-step explanation:

As required by the problem statement, technology was used to find the polynomial function that passes through the given points. The coefficients shown above are rounded to 6 significant figures. The exact coefficients appear to be ...

f(x) = (-1 13/72)x² +(9 5/9)x -(12 221/480)

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

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3 years ago