3 years ago

I just need the answer plz

Mathematics

2 answers:

mario62 [17]3 years ago

4 0

Answer: i got −5s^3+2s^2−s−9

Step-by-step explanation:

Nonamiya [84]3 years ago

3 0

-5s^3+2s^2-s-9, ^=exponent

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I^333 simplified. pls answer

Oduvanchick [21]

Given:

$i^{333}$ $\begin{gathered} i^{332}i \\ \\ (i^4)^{83}i \end{gathered}$

Solving further:

$\begin{gathered} \text{ Where:} \\ i^4=1 \\ \\ (1)^{83}i \\ \\ =1i \\ \\ =i \end{gathered}$

ANSWER:

$i$

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8 months ago

Select the correct ratios.

Goshia [24]

65:100 because there are 65 girls and then 65 girls + 35 boys = 100 total students

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2 years ago

What is the meassure of XYZ in the diagram below HELP ASSAP :)

yaroslaw [1]

39° or B that should be it

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3 years ago

Read 2 more answers

The volume of a shampoo filled into a container is uniformly distributed between 370 and 385 milliliters. (a) What are the mean

Olenka [21]

Answer:

(a) mean = 377.5ml. standard deviation = 4.33

(b) 0.333

Step-by-step explanation:

(a)The mean:

$\mu = \frac{385 + 370}{2} = 377.5 ml$

The standard deviation:

$\sigma = \frac{385 - 370}{\sqrt{12}} = 4.33$

(b)

$P(x < 375) = \frac{375 - 370}{385 - 370} = \frac{1}{3} \approx 0.333$

(c)P(x > m) = 0.95

$\frac{m - 370}{385 - 370} = 0.95$

$m - 370 = 14.25$

$m = 384.25ml$

So the volumn of shampoo should be 384.25ml to exceed 95% of containers.

7 0

3 years ago

Plutonium–238 has a yearly decay constant of 7.9 × 10-3. If an original sample has a mass of 15 grams, how long will it take to

eduard

The answer is 28 years

At = A0 * e^(-k * t)
At = 12 g
A0 = 15 g
k = 7.9 × 10^-3 = 0.0079
t = ?

12 = 15 * e^(-0.0079 * t)
12/15 = e^(-0.0079 * t)
0.8 = e^(-0.0079 * t)

Logarithm both sides (because ln(e) = 1:
ln(0.8) = ln(e^(-0.0079 * t))
ln(0.8) = (-0.0079 * t) * ln(e)
-0.223 = -0.0079 * t
t = -0.223 / -0.0079
t = 28.23
t ≈ 28 years

8 0

2 years ago