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3 years ago

Z=8+6x-px Solve for x

Mathematics

1 answer:

Rudiy273 years ago

8 0

Answer:

The answer is x= z-8 over 6-p.

Step-by-step explanation:

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Which is the simplified form of the expression (6^-2•6^5)^-3

Arisa [49]

Answer:

Step-by-step explanation:

$( {6}^{ - 2} \times {6}^{5} ) ^{ - 3} \\ = ( {6}^{3} )^{ - 3} \\ = {6}^{0} \\ = 1$

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3 years ago

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The concentration of a drug in an organ at any time t (in seconds) is given by

-Dominant- [34]

Answer:

The concentration of a drug in an organ at any time t (in seconds) is given by s 0.25t - 15(1 - e-t/60) if osts 20 | 15e-t/60 – 10e-(t - 20)/60 if t> 20 where c(t) is measured in milligrams per cubic centimeter (mg/cm3). (a) What is the initial concentration of the drug in the organ? 0 mg/cm3 (b) What is the concentration of the drug in the organ after 14 sec? (Round your answer to three decimal places.) x mg/cm3 38 (c) What is the concentration of the drug in the organ after 40 sec? (Round your answer to three decimal places.) mg/cm3 Need Help? | Read It

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2 years ago

Can someone answer this question please answer it correctly if it’s corect I will mark you brainliest

lana [24]

Answer:

1/21

Step-by-step explanation:

Cards: 2,3,4,5,6,7,8 7 cards

1st card :5

P(5) = number of 5's / total

= 1/7

Then we keep the card

Cards: 2,3,4,6,7,8 only 6 cards left

card less than 4: 2,3

P (card less than 4) = number of cards less than 4/ total cards

= 2/6 = 1/3

P (5, no replacement, card less than 4) = P(5) * P( less than 4)

= 1/7 * 1/3

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3 years ago

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The owner of a small pet supply store wants to open a second store in another city, but he only wants to do so if more than one-

Andrei [34K]

Answer:

The answer is "The null hypothesis was rejected".

Step-by-step explanation:

Following are the right-tailed test:

Calculating the null and alternative hypothesis:

$H_0 : p = 0.3333\\\\H_a : p > 0.3333\\\\n = 150\\\\x = 64\\\\\hat{p} = \frac{x}{n} = \frac{64}{150} = 0.4267\\\\P_0 = 0.3333\\\\1 - P_0 = 1 - 0.3333 = 0.6667\\\\$

$z = \frac{\hat{p} - P_0}{[\sqrt{\frac{P_0 \times (1 - P_0 )}{n}}]}$

$= \frac{0.4267 - 0.3333}{[\sqrt{\frac{(0.3333 \times 0.6667)}{150}}]}\\\\= 2.426$

Calculating the right-tailed test:

$P(z > 2.426) = 1 - P(z < 2.426) = 1 - 0.9924 = 0.0076\\\\P-value = 0.0076\\\\\alpha = 0.05\\\\P-value < \alpha$

Therefore, we reject the null hypothesis.

This example shows that more than a third of the families own pets in this town.

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2 years ago

Can u help me with this

Nesterboy [21]

A graphing calculator is a great help for problems of this nature.
x ∈ {-5.63, -0.55, 2.59}

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3 years ago