PLEASE HELP ME I WILL GIVE BRAINLYEST

What is 1,432,000,000,000 equivalent to?

$1.4 trillion

$14.3 trillion

$143.2 trillion

$1 trillion

If there are 100 cows in this dairy, it requires a total of 32000 L of water daily to operate the dairy. According to the U.S. Department of Agriculture, the average dairy cow can consume up to 200 L of water daily.

An additional 120 L per cow per day is required to wash the milking equipment and milking area. So, in total, a single cow requires 320 L of water per day. For instance, suppose there are 100 cows in this dairy.

To determine the total quantity of water required for the day, multiply the amount of water needed per cow by the number of cows:100 cows × 320 L/cow = 32000 L

Therefore, if there are 100 cows in this dairy, it requires a total of 32000 L of water daily to operate the dairy.

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The value of x for which (f - g)(x) = 0 is x = 12.

To find the value of x for which (f - g)(x) = 0, we need to subtract g(x) from f(x) and set the resulting expression equal to zero. Let's perform the subtraction:

(f - g)(x) = f(x) - g(x)

= (16x - 30) - (14x - 6)

= 16x - 30 - 14x + 6

= 2x - 24

Now, we can set the expression equal to zero and solve for x:

2x - 24 = 0

Adding 24 to both sides:

2x = 24

Dividing both sides by 2:

x = 12

Therefore, the value of x for which (f - g)(x) = 0 is x = 12.

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Answer:

  b +8.9

Step-by-step explanation:

You want to simplify 3.2 + (b + 5.7) with an explanation of each step.

Simplification generally means eliminating parentheses and combining like terms. The final expression can be written in standard form, meaning the terms are in order of decreasing exponent of the variable.

The simplified expression is b +8.9.

The equation of the line passing through the two yellow points in slope-intercept form is y = 3x - 21.

Since we only have two points, we can use the point-slope form of a linear equation to find the equation of the line passing through the two points.

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

y - y1 = m(x - x1)

where (x1, y1) is one of the points on the line, m is the slope of the line.

Let's use the point (8, 3) and (10, 9):

\(m = (y2 - y1) / (x2 - x1)\\\\m = (9 - 3) / (10 - 8)\\\)

m = 3

Using the slope-intercept form of a linear equation, we can write:

\(y - y1 = m(x - x1)\\y - 3 = 3(x - 8)\)

Simplifying the above equation, we get:

y - 3 = 3x - 24

y = 3x - 21

Therefore, the equation of the line passing through the two yellow points in slope-intercept form is y = 3x - 21.

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Answer:

Step-by-step explanation:

3x - 5 is f^(-1) (x) = (1 / 3) x + (5 / 3), which is a linear expression.

a) X is an unbiased estimator of p. b) The Var(X) is p(1-p)/n. c) The E[X(1-X)] is (n-1)[p(1-p)/n]. d) The value of c is c = 1/(n-1).

(a) To show that X = Y/n is an unbiased estimator of p, we need to show that E[X] = p.

Since Y is a sum of n iid Bern(p) random variables, we have E[Y] = np.

Now, let's find the expected value of X:

E[X] = E[Y/n] = E[Y]/n = np/n = p.

Therefore, X is an unbiased estimator of p.

(b) To find the variance of X, we'll use the fact that Var(aX) = a^2 * Var(X) for any constant a.

Var(X) = Var(Y/n) = Var(Y)/n² = np(1-p)/n² = p(1-p)/n.

(c) To show that E[X(1-X)] = (n-1)[p(1-p)/n], we expand the expression:

E[X(1-X)] = E[X - X²] = E[X] - E[X²].

We already know that E[X] = p from part (a).

Now, let's find E[X²]:

E[X²] = E[(Y/n)²] = E[(Y²)/n²] = Var(Y)/n² + (E[Y]/n)².

Using the formula for the variance of a binomial distribution, Var(Y) = np(1-p), we have:

E[X²] = np(1-p)/n² + (np/n)² = p(1-p)/n + p² = p(1-p)/n + p(1-p) = (1-p)(p + p(1-p))/n = (1-p)(p + p - p²)/n = (1-p)(2p - p²)/n = 2p(1-p)/n - p²(1-p)/n = 2p(1-p)/n - p(1-p)²/n = [2p(1-p) - p(1-p)²]/n = [p(1-p)(2 - (1-p))]/n = [p(1-p)(1+p)]/n = p(1-p)(1+p)/n = p(1-p)/n.

Therefore, E[X(1-X)] = E[X] - E[X²] = p - p(1-p)/n = (n-1)p(1-p)/n = (n-1)[p(1-p)/n].

(d) To find the value of c such that cX(1-X) is an unbiased estimator of p(1-p)/n, we need to have E[cX(1-X)] = p(1-p)/n.

E[cX(1-X)] = cE[X(1-X)] = c[(n-1)[p(1-p)/n]].

For unbiasedness, we want this to be equal to p(1-p)/n:

c[(n-1)[p(1-p)/n]] = p(1-p)/n.

Simplifying, we have:

c(n-1)p(1-p) = p(1-p).

Since this should hold for all values of p, (n-1)c = 1.

Therefore, the value of c is c = 1/(n-1).

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Answer:

MP  = 29

Step-by-step explanation:

MP = 5y + 9

MP = MN + NP

MP = 17 + 3y

Step 1 - As both equations are equal to MP:

3y + 17 = 5y + 9

Step 2 - Subtract 9 from both sides to isolate the 5y:

3y + 17 - 9 = 5y + 9 - 9

3y + 8 = 5y

Step 3 - Subtract 3y from both sides:

3y + 8 - 3y = 5y - 3y

8 = 2y

Step 4 - Divide both sides of the equation by 2:

Step 5 - Plug known variable y back into the equation:

5y + 9 = MP

5(4) + 9 = MP

20 + 9 = MP

MP  = 29

The number described in the problem is 100.

Step 1: Understand the problem

The problem states that when 40% of a number is added to the number, the result is 140.

Step 2: Identify the unknown

We need to find the number described in the problem.

Step 3: Translate into an equation

Let's assume the unknown number is x. According to the problem, when 40% of x is added to x, the result is 140. Mathematically, we can write this as:

x + 0.4x = 140

Step 4: Solve the equation

Combining like terms on the left side of the equation:

1.4x = 140

Dividing both sides of the equation by 1.4:

x = 140 / 1.4

Simplifying:

x = 100

Step 5: Check the solution

We need to verify if our solution is correct by substituting x = 100 back into the original equation:

100 + 0.4(100) = 140

100 + 40 = 140

140 = 140

The equation holds true, so our solution x = 100 is correct.

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the answer is D

Hopefully this helps you!

Answer:

The answer is D

Step-by-step explanation:

B/c when probability comes 0 it is impossible out comes

After the installation of the new ride, the total gallons of water used in the water park will be 4.1059 × 107 gallons of water.

A water park has pools, slides, and rides that make use of 4.1 × 107 gallons of water. They are planning to install a new ride that will utilize an additional 5.9 × 103 gallons of water.Using scientific notation to express the total gallons of water that the water park will use after the new ride is installed. We can add the given numbers of gallons using scientific notation to calculate the new total. Therefore,4.1 × 107 + 5.9 × 103=4.1 × 107 + 0.0059 × 107=(4.1 + 0.0059) × 107=4.1059 × 107 gallons of water.Thus, after the installation of the new ride, the total gallons of water used in the water park will be 4.1059 × 107 gallons of water.

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Based on the given information, the researcher who takes a census of every person who attends her party and uses the data to make estimations of population parameters for her city is likely a social scientist or a demographer.

A census is the process of collecting data from every individual in a specific population or group. By taking a census of every person who attends her party, the researcher is gathering comprehensive data on a sample of the population. This data can then be used to make estimations or predictions about the entire population of the city.

The researcher who conducts a census and utilizes the collected data to estimate population parameters for her city is likely a social scientist or a demographer. They use statistical techniques to analyze the data and draw conclusions about the population as a whole.

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The researcher in the question is performing a census of her party attendees to make estimations about the larger population of her city. This can lead to biases as the sample may not be completely representative of the city's population. A method that can mitigate this is random sampling, which selects individuals with equal probability from the entire population.

The researcher in question is performing a practice known as census. A census is the process of systematically acquiring and recording information about the members of a given population, in this case, the attendees of her party. This method is leveraged to derive insights about a larger population, like her city, a term otherwise known as population parameters. The researcher is assuming that her party attendees are representative of the larger population of her city.

However, it's important to note that any findings made from this data must be interpreted with caution as they may not be completely accurate. This is because the party attendees (the sample) may not be completely representative of the entire city's population and thus could lead to biases in the estimation of population parameters.

A more scientifically accurate method she could deploy is random sampling, where every member of the entire city's population has an equal chance of being selected. This method reduces biases and increases the generality of the results.

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Sam would need to drive for the two plans to cost the same is 130 miles.

Let, x = Number of miles driven

      y = Total cost

The first plan:

Initial fee = $65

Cost of 1 mile = $0.3

Cost of drive x mile = $0.3x

In total, you will pay

y = 0.3x + 65 for the first plan.

The second plan:

There are no initial costs, but

Cost of 1 mile = $0.80

y = 0.80x

Now we have two equations

y = 0.3x + 65

y = 0.80x

As we know that y is equal to both 0.3x + 65 and 0.80x, this means we can equate the right hand sides and solve for x.

    0.3x + 65 = 0.80x

0.80x - 0.3x = 65

            0.5x = 65

                 x =  65÷0.5

                 x =  130

The cost of two plans will be same when Sam drive 130 miles.

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Answer:  Yes, the car is breaking the speed limit

Work Shown:

22 min = 22/60 = 0.36667 of an hour approximately

distance = rate*time

rate = distance/time

rate = (19 mi)/( 0.36667 hr)

rate = 51.818 mph approximately

The car is slightly over the 50 mph speed limit.

Step-by-step explanation:

According to angles of intersecting chords theorem    ( angle S is also 117):

117 = 1/2 (208 + 2x-4)  

so  x = 15

then 2x-4 = 26 degrees

The formula for calculating  percentage decrease is:

Percentage Decrease = (Initial Value - Final Value| / Initial Value) x 100%

Percentage decrease is a way to quantify the amount by which a quantity has decreased as a percentage of the original value.

It is a useful tool in many areas, including finance, economics, and science, as it provides a standardized way to compare values and helps to put the decrease into perspective.

Where Initial Value is the starting value and Final Value is the value after the decrease. The absolute value operator (| |) ensures that the result is always positive, even if the final value is larger than the initial value.

For example, consider the initial value of a stock to be $100 and its value after a decrease to be $90. To find the percentage decrease, we would use the formula:

Percentage Decrease = (|$100 - $90| / $100) x 100% = 10%

This means that the value of the stock has decreased by 10% from its initial value.

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Answer:

2,929.3π cm^3

Step-by-step explanation:

The angle that the kite string makes with the ground is 60 degrees.

To find the angle θ that the kite string makes with the ground, we can use the equation:

h = d * sin(θ) + c

where:

h = height of the kite above the ground

d = length of the string

c = distance from Jason's hand to the ground

In this case, we have the following information:

h = 200√3 + 5 feet (height of the kite above the ground)

d = 400 feet (length of the string)

c = 5 feet (distance from Jason's hand to the ground)

Substituting these values into the equation, we get:

200√3 + 5 = 400 * sin(θ) + 5

Now, let's solve for θ:

200√3 = 400 * sin(θ)

Divide both sides by 400:

(200√3) / 400 = sin(θ)

Simplifying:√3 / 2 = sin(θ)

To find the angle θ, we can use the inverse sine function (sin^(-1)):

θ = sin⁽⁻¹⁾(√3 / 2)

Using a calculator or reference table, we find that sin⁽⁻¹⁾(√3 / 2) is equal to 60 degrees.

Therefore, the angle that the kite string makes with the ground is 60 degrees.

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Using division, the length of the sandwich each friends got was 1.02083ft

Division is a mathematical operation that divides one number (the dividend) by another (the divisor) to find the answer (the quotient). It is one of the four basic operations in mathematics, along with addition, subtraction, and multiplication.

To determine the size each one got, we have to divide the total length of the sandwich by the number of friends.

We need to convert the mixed fraction into improper fraction or decimal

6 1/8 = 49/8 = 6.125

Now, let's divide this by 6

6.125 / 6 = 49/48 = 1.02083

The length each of her friends will get is 1.02083ft

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Answer:

Use a graphing calc.

Step-by-step explanation:

Answer:

hi

Step-by-step explanation:

hi

Answer:

Part (A) → x = 5

Part (B) → m(arc RS) = 55°

Step-by-step explanation:

In the picture attached,

RU and SV are the diameters of the given circle.

Part (A),

Since RU is the diameter,

m(arc RVU) = 180°

m(arc RV) + m(arc VU) = 180°

(24x + 5) + (10x + 5) = 180

34x + 10 = 180

34x = 170

x = \(\frac{170}{34}\)

x = 5

Part (B),

Since m(arc RS) = m(arc VU) [Angles intercepted by these arcs at the center are equal because they are the vertical angles]

m(arc RS) = (10x + 5)

                = (10×5 + 5)

                = 55°

Answer:

yup!

Step-by-step explanation:

Answer:

Yes absolutely! *gives thumbs up*

This is the simplified form of the given complex fraction: (6 - 6/x) / x

To simplify the given complex fraction, let's break it down step by step.

The complex fraction is:
(3 - 3/x) / (1/2 - 1/x)

Step 1: Simplify the numerator (top) of the fraction.
To do this, let's find a common denominator for the numerator:
(3x - 3) / x

Step 2: Simplify the denominator (bottom) of the fraction.
To find a common denominator for the denominator, let's first simplify it:
(1/2 - 1/x)

To find a common denominator, multiply the second term (1/x) by (2/2):
(1/2 - 1/x) * (2/2) = (2/2x - 2/x)

Now, we have a common denominator for the denominator:
(2 - 2/x)

Step 3: Rewrite the original complex fraction with the simplified numerator and denominator:
(3x - 3) / x / (2 - 2/x)

Step 4: Simplify the division by multiplying the numerator by the reciprocal of the denominator:
(3x - 3) / x * (2/x - 2)

Step 5: Distribute and simplify the expression:
(3x - 3) * (2/x - 2) / x

Using the distributive property, we get:
(6x/x - 6/x) / x

Simplifying further, we have:
(6 - 6/x) / x

This is the simplified form of the given complex fraction.

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The

speed

indicated in kilometers per hour is 85 km/h, as shown on the circular scale of the automobile

speedometer

.

The automobile

speedometer

is an instrument that measures the speed of a vehicle. It has a circular

scale

that reads both miles per hour (mph) and kilometers per hour (km/h). To determine the

speed

in kilometers per hour, the user must first locate the needle on the scale. The needle should be pointing to a specific number that corresponds to both mph and km/h. For example, if the needle is pointing to 85, then the speed indicated in kilometers per hour is 85 km/h. It is important to note that if the needle is located between two

numbers

, the user should determine the approximate speed by interpolating the two numbers. To find the speed in miles per hour, the user can simply look at the number that corresponds to the needle on the scale. In this case, the speed indicated in miles per hour is 53 mph.

The complete question: An automobile speedometer with circular scales reading both miles per hour and kilometers por hour is shown. What speed is indicated in miles per hour? 100 120 140 80 160 *60 180 200 40 20 220 Own 240 Express your answer in miles per hour v.2 mph

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If Tamika receives 20 rewards points just for signing up and she earns 10.5 points for each visit to the movie theater and she needs 167 points for a free movie ticket, then an equation to determine x, the number of visits Tamika must make to earn a free movie ticket is 10.5x + 20 = 167 and the value of x is calculated to be 14.

The number of visits Tamika must make can be determined by using a linear equation with one variable.

As,

reward points for signing up = 20

points for each visit = 10.5

points needed for free movie ticket = 167

If we consider x to be the number of visits required, then the linear equation can be given as,

10.5x + 20 = 167

Solving for x,

10.5x = 167 - 20

10.5x = 147

x = 147/10.5 = 14

Hence, the number of visits Tamika must make to earn a free movie ticket is equal to 14.

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