pleaseeeee, someone help mee... this is past due, and nobody in my class rlly helped me

Answer:

\(t=\frac{s-6}{n-x}\)

Step-by-step explanation:

\(nt+6-xt=s\)

\(\mathrm{Subtract\:}6\mathrm{\:from\:both\:sides}\)

\(nt+6-xt-6=s-6\)

\(Simplify\)

\(nt-xt=s-6\)

\(nt-xt\)

\(=t\left(n-x\right)\)

\(t\left(n-x\right)=s-6\)

\(\frac{t\left(n-x\right)}{n-x}=\frac{s}{n-x}-\frac{6}{n-x};\quad \:x\ne \:n\)

\(t=\frac{s-6}{n-x}\)

Therefor the value of t after arrangement is t = (s-6)/(n-x)

What is Mathematical function ?

Function is defined as the expression or relation between any given two variables such as x and y and there must be an independent variable and dependent variable.

In other words the function represents the graph between x and y that is for each value of x there exist one value of y but here there is no restriction in values of y that is y can have infinity values.

Given equation is  nt+6-xt=s

Now solving for t by separately variables and constant :

 nt+6-xt=s

t(n-x) = s-6

t = (s-6)/(n-x)

Therefor the value of t after arrangement is t = (s-6)/(n-x)

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Answer:

8/18?

Step-by-step explanation:

Step-by-step explanation:

for the perimeter you have to say two brackets live plus height plus with plastic

the statement "The series\(Σn=1 ∞ 5n^5+ 3/4n^5+1\)is divergent" is true.

The statement "The series

Σn=1 ∞ 5n^5+ 3/4n^5+1

is divergent" is true. Explanation: The series is given as follows;

\(Σn=1 ∞ 5n^5+ 3/4n^5+1\)

In order to determine the convergence of this series, let us apply the nth term test to the series.Taking the limit as n approaches infinity of the nth term of the series we obtain;

\(lim n→∞⁡〖(5n^5+3)/(4n^5+1)〗\)

= lim n→∞⁡(5+3/n^5)/(4+1/n^5)

= 5/4

As the limit is not equal to zero, the nth term test fails. Hence, we cannot establish the convergence of the series through the nth term test, and therefore we can conclude that the series

Σn=1 ∞ 5n^5+ 3/4n^5+1 is divergent.

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(a) The probability that a wave will crash onto the beach exactly 0.6 seconds after the person arrives is: P(X = 0.6) = 0. b) P(1.5 < X < 2.3) = 0.511 c)  P(X > 1) = 0.7778.

A probability density function (PDF) expresses the likelihood at which a continuous random variable will take on a particular value. The integral of f(x) across a range is used to determine the likelihood that a continuous random variable X will fall within that range when the PDF f(x) is specified for that variable. Namely, the likelihood that X falls inside of the range [a,b].

The probability density function of random variable X in the interval [a, b] is given as:

f(x) = 1/(b-a), for a ≤ x ≤ b

and its cumulative distribution function is given by:

F(x) = (x-a)/(b-a), for a ≤ x ≤ b

(a) The probability that a wave will crash onto the beach exactly 0.6 seconds after the person arrives is:

P(X = 0.6) = 0, since the Uniform distribution is a continuous distribution and the probability of a specific value is always zero.

(b) For 1.5 and 2.3 seconds after the person arrives is:

P(1.5 < X < 2.3) = F(2.3) - F(1.5)

= (2.3 - 0)/(4.5 - 0) - (1.5 - 0)/(4.5 - 0)

= 0.5111

c) It will take longer than 1 second:

P(X > 1) = 1 - F(1)

= 1 - (1 - 0)/(4.5 - 0)

= 0.7778

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In the recent survey of 638 working Americans ages 25-34, the average weekly amount spent on lunch was found to be $43.20, with a standard deviation of $2.78.

The distribution of the weekly amounts spent on lunch is approximately bell-shaped, indicating a normal distribution. The average of $43.20 represents the central tendency of the data, suggesting that it is the typical or average amount spent on lunch by individuals in this age group. The standard deviation of $2.78 measures the variability or spread of the data around the mean. A smaller standard deviation indicates that the data points are closer to the mean, indicating less variability in the amounts spent on lunch.

The bell-shaped distribution implies that a majority of individuals in the survey spend amounts close to the average, with fewer individuals spending significantly higher or lower amounts on lunch.

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In this problem, a researcher wants to estimate the number of households with two cars with 95% confidence and a margin of error of 5%. The researcher also knows that a previous study showed that 22% of households had two cars. The possible answers are 4, 339, and 186.

To answer this question, we need to use the formula for sample size calculation: n = (Z^2 * p * q) / E^2, where n is the sample size, Z is the Z-score for the desired level of confidence (in this case, 1.96 for 95% confidence), p is the estimated proportion of the population with the characteristic of interest (in this case, 0.22), q is the complement of p (q = 1 - p), and E is the desired margin of error (in this case, 0.05). Plugging in these values gives us n = (1.96^2 * 0.22 * 0.78) / 0.05^2, which simplifies to n = 186.

Therefore, the correct answer is (c) 186. This means that the researcher needs to survey 186 households to estimate the number of households with two cars with 95% confidence and a margin of error of 5%.

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Step-by-step explanation:

$3.79 ÷ 19.5 = .194

answer = $.19 per oz

Answer:

0.19

Step-by-step explanation:

I took the test and passed

Answer:

6+

Step-by-step explanation:

Answer: \(y=\frac{1}{4} x-5\)

Step-by-step explanation:

Lines perpendicular to another line have inversely proportional slopes. We are given that the slope of the line is -4, so the slope of the perpendicular line will be positive 1/4. Now we have a starting point for this line:

\(y=\frac{1}{4} x+b\\-8=\frac{1}{4} (-12)+b\\-8=-3+b\\b=-5\)

Notice how I plugged in the points given.

Step-by-step explanation:

4x=3x

2+4x=3x+2

4x-3x=2-2

1x=0

x=1/0

X=0

(i think the question given was incomplete but this waht i could do with the given statement)

Answer:

The equation has one solution: x = 0.

Step-by-step explanation:

i just did it

The cost of one apple is $0.70.

Let's assume that the cost of one apple is "a" dollars and the cost of one banana is "b" dollars. We can create two equations based on the information given:

4a + 9b = 12.70 ...(1)

8a + 11b = 17.70 ...(2)

To solve for "a", we can use elimination method by multiplying equation (1) by 8 and equation (2) by -4, so that the coefficients of "a" in both equations will be equal and opposite:

32a + 72b = 101.60

-32a - 44b = -70.80

Adding these two equations, we get:

28b = 30.80

Simplifying and solving for "b", we get:

b = 1.10

Now, we can substitute the value of "b" in equation (1) and solve for "a":

4a + 9(1.10) = 12.70

4a + 9.90 = 12.70

4a = 2.80

a = 0.70

Therefore, the cost of one apple is $0.70.

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Part a.)

The probability model is:

P(R) = 1/5

P(B) = 3/25

P(G) = 4/25

P(Y) = 4/25

P(P) = 1/5

P(W) = 4/25

part b.)

all possible outcomes are included in the probability model.

part c.)

The probability model is non-uniform.

For part a

Let R =the event of selecting a red balloon,

Let B = the event of selecting a blue balloon,

G = the event of selecting a green balloon,

Y =  the event of selecting a yellow balloon,

P = the event of selecting a purple balloon,

W = the event of selecting a white balloon.

We can write the  probability model as:

P(R) = 5/25 = 1/5

P(B) = 3/25

P(G) = 4/25

P(Y) = 4/25

P(P) = 5/25 = 1/5

P(W) = 4/25

Part B:  we check that the sum of the probabilities of all possible outcomes is equal to 1 in order to verify.

We have:

P(R) + P(B) + P(G) + P(Y) + P(P) + P(W) = (1/5) + (3/25) + (4/25) + (4/25) + (1/5) + (4/25) = 1

All possible outcomes are included in the probability model.

Part C: The probability model is non-uniform because the probabilities of selecting each color of balloon are not equal.

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Answer:

There are two pints in a cup

Answer:

There are 2 pints in a cup

Step-by-step explanation:

A pint is equal to 2 cups. When measuring many cups of liquid all put together we might want to use quarts. A quart (qt) is the same thing as 4 cups or 2 pints.

Hope this helps! :D

The 90% confidence interval for the proportion of all adults whose IQ score is greater than 100 is 0.443 to 0.537. The lower limit is 0.443 and the upper limit is 0.537.

To calculate the confidence interval, we can use the formula for the standard error of the proportion:

SE = sqrt((p * (1 - p)) / n)

where p is the sample proportion (98/200) and n is the sample size (200).

Plugging in the values, we get:

SE = sqrt((98/200 * (1 - 98/200)) / 200) ≈ 0.030

Next, we need to find the critical value corresponding to a 90% confidence level. Since we are dealing with proportions, we can use the normal distribution approximation. The critical value can be obtained from the standard normal distribution table or using a statistical calculator. For a 90% confidence level, the critical value is approximately 1.645.

The margin of error (E) is given by:

E = critical value * SE

E ≈ 1.645 * 0.030 ≈ 0.049

Finally, we can calculate the lower and upper limits of the confidence interval:

Lower limit = p - E

Upper limit = p + E

Lower limit ≈ 98/200 - 0.049 ≈ 0.443

Upper limit ≈ 98/200 + 0.049 ≈ 0.537

Therefore, the 90% confidence interval for the proportion of all adults whose IQ score is greater than 100 is approximately 0.443 to 0.537.

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Answer:

center: (-5,6)

Radius: 7

Step-by-step explanation:

Answer:

1. -1/2

2. Graph attached below:

Step-by-step explanation:

1) To find to slope of the line with two points would be the following equation:

\(y_{2} - y_{1} / x_{2} - x_{1}\)

So let’s assume our variables and subsitute them to see that the Carma’s Working out is an error.

Form: \((x_{2}, y_{2}), (x_{1}, y_{1})\)

\(y_{2} = 3\)

\(y_{1} = 1\)

\(x_{2} = 7\)

\(x_{1} = 11\)

\(3 - 1 / 7 - 11 = -1/2\)

1. Error one: The point values of the slope aren‘t correctly labeled and are not the same form as in the formula.

2. Error two: The slope output is not correct, it is 2 but the slope is -1/2.

Now let’s get on the graph of Carma’s workout, I can spot that the point (-4, 5) is not plotted correctly. Instead it is plotted (4, -5). To understand clearly I will label these points on a graph, image attached below:

3. Error three: The point (-4, 5) is not plotted correctly, x should be negative and y should be positive.

4. Error four: The slope is not correct, instead the slope of the graph is negative but we need a positive slope.

Now it is time to fix Carma’s mistakes:

1) Slope: -1/2

2) Graph attached below

Answer:

5)

x=13.856

y=8

6)

u=4

v=3.464

Step-by-step explanation:

5)

y=hypothesis * sin(opposing angle)/sin(angle opposite of hypothesis)

y = 16*sin(30)/sin(90)

y=8

x=hypothesis * sin(opposing angle)/sin(angle opposite of hypothesis)

x=16*sin(60)/sin(90)

x=13.856

6)

sinA/(opposite of angle A) = sinB/(opposite side of angle B) = sinC/(opposite of side of angle C)

sin(90)/u= sin(30)/2

u *sin(30) = 2* sin(90)

u *sin(30) = 2

u=2/sin(30)

u=2/0.5

u=4

sin(60)/v= sin(30)/2

v *sin(30) = 2* sin(60)

v *sin(30) = 2 * 0.866

v * sin(30) = 1.73

v = 1.73/sin(30)

v = 3.464

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

[5] x = 8 and y =  13.856

[6] v = 4 and u = 3.464

-------------------------------------------------------------------------------------------------------------

[5]

sin60° = x/16 = 1/2

x = 16/2 = 8

cos60° = y/16 = √3/2

y = 16√3/2 = 8√3

Can also be : 8√3 = 13.856

-------------------------------------------------------------------------------------------------------------

[6]

sin30° = 2/u = 1/2

u = 2 x 2 = 4

tan30° = 2/v = √3

v = 2√3

can also be:  2√3= 3.464

-------------------------------------------------------------------------------------------------------------

~lenvy~

Check the image below

Answer:

two characteristics are typical features of a less-developed country are:-

2- High percentage of the population engaged in agricultural activity

3- Lower life expectancy due to limited access to healthcare

Step-by-step explanation:

1 -false

2- true

3- true

4- false

5- false

~Kandy~

hope this helped!

Brainliest please!

Answer:

x=5y and y=x/5

Step-by-step explanation:

Answer:

\(m^8-4\)

Step-by-step explanation:

\(Rule: a^b\cdot \:a^c=a^{b+c}\\=m^7m=m^{7+1}\\=m^{7+1}-4\\=m^8-4\)

Answer: The shape is a cylander. The volume formula is πr2h. The approximte volume is 1000.6.

Step-by-step explanation:

The formula is  πr2h so do the math ad you get 1000.6

Answer:

Option A: \(y+7 = 25(x+4)\) is the correct answer.

Step-by-step explanation:

The point-slope form of an equation of a line is given by:

\(y-y_1 = m(x-x_1)\)

Here:

m is the slope of the line

\((x_1,y_1)\) are the coordinates of the point from which the line passes.

Now looking at the given question:

\(m = 25\\(x_1,y_1) = (-4,-7)\)

Putting the values in the general form of point-slope form of equation of line

\(y-(-7) = 25\{x-(-4)\}\\y+7 = 25(x+4)\)

Hence, the point-slope form of given line is:

\(y+7 = 25(x+4)\)

Observing the option given, it can be concluded that Option A: \(y+7 = 25(x+4)\) is the correct answer.

The probability that the mean of a sample of 7777 computers would be less than 82.59 months is 100%, or close to 1.

The probability that the mean of a sample of 7777 computers would be less than 82.5982.59 months, assuming a mean life of 80 months and a variance of 6464, can be calculated using the central limit theorem and the standard normal distribution.

First, we calculate the standard error of the mean using the formula:

standard error of the mean = σ/√n

where σ is the population standard deviation, n is the sample size.

Here, σ² = 6464, so σ = √6464 = 80.3

n = 7777

standard error of the mean = 80.3/√7777 ≈ 0.907

Next, we calculate the z-score using the formula:

z = (\(\bar{x}\) - μ) / (σ/√n)

where \(\bar{x}\) is the sample mean, μ is the population mean, σ is the population standard deviation, n is the sample size.

Here, \(\bar{x}\) = 82.59, μ = 80, σ = 80.3, n = 7777

z = (82.59 - 80) / (80.3/√7777) ≈ 8.6

We find that the probability of z being less than 8.6 is very close to 1, or 100%.

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Two adjacent angles that have a sum of exactly 180° are called supplementary angles.

This means that the two angles are adjacent, meaning they share a common side and vertex, and their measures add up to exactly 180 degrees. Supplementary angles can be found in a variety of geometric shapes, such as triangles, quadrilaterals, and polygons.

One common example of supplementary angles is a linear pair, which consists of two adjacent angles that form a straight line, such as the angles formed by two sides of a square or rectangle. Knowing that two angles are supplementary can be helpful in solving problems related to angles and geometry.

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