HELP!!! DUE IN 38 MINUTES 11:22 due at 11:59pm pst​

Answer:

scale factor = 1.5

Step-by-step explanation:

15 / 10 = 1.5

10 * 1.5 = 15

The number of points to be removed from the graph is 2

from the question, we have the following parameters that can be used in our computation:

The graph

From the graph, we can see that

2 points have the same y coordinates

Another 2 points have the same y coordinates

For it to be a function, one of the 2 points must be removed each

So, we have the number of points to be removed from the graph is 2

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Answer:

0.3333 = 33.33% probability that this red ball is from box A.

Step-by-step explanation:

Conditional Probability

We use the conditional probability formula to solve this question. It is

\(P(B|A) = \frac{P(A \cap B)}{P(A)}\)

In which

P(B|A) is the probability of event B happening, given that A happened.

\(P(A \cap B)\) is the probability of both A and B happening.

P(A) is the probability of A happening.

In this question:

Event A: Red ball

Event B: From box A.

Probability of a red ball:

3/10 = 0.3 of 1/2 = 0.5(box A)

6/10 = 0.6 of 1/2 = 0.5(box B). So

\(P(A) = 0.3*0.5 + 0.6*0.5 = 0.45\)

Probability of a red ball from box A:

0.3 of 0.5, so:

\(P(A \cap B) = 0.3*0.5 = 0.15\)

What is the probability that this red ball is from box A?

\(P(B|A) = \frac{P(A \cap B)}{P(A)} = \frac{0.15}{0.45} = 0.3333\)

0.3333 = 33.33% probability that this red ball is from box A.

Answer:

Step-by-step explanation:

18.5

Answer:

18.5

Step-by-step explanation:

PEMDAS (parenthesis, exponents, multiplication, division, addition, subtraction)

(8+7)+(3.5)

(15)+(3.5)

18.5

Answer:

\(x\geq 2\)

Step-by-step explanation:

Write out the problem

\(\frac{x}{-5+6} \geq 2\)

Simplifiy -5 + 6 = 1

\(\frac{x}{1} \geq 2\)

Remember that any fraction with a denominator of 1 is equilvalent to the numerator, so

\(\frac{x}{1} =x\)

\(x\geq 2\)

The probability that the third largest observation in the sample is less than 0.7 is  0.2401 =  24.01%.

The sample size n = 5,

Therefore the order statistics will be represented as X₁, X₂, X₃, X₄, and X₅.

Probability that X₃ is less than 0.7:

Since X₃ is the third largest observation =  (X₁ and X₂) < 0.7.

The probability that X₃ is less than 0.7 is (0.7)² = 0.49.

.

The probability that both X₁ and X₂ are less than or equal to 0.7 is (0.7)² = 0.49 because in a continuous uniform distribution, the probability of any single observation being less than 0.7 is 0.7 - 0 = 0.7.

We then get the product of both cases:

Probability = 0.49 * 0.49 = 0.2401

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The following information related to irrigation is as follows:

The gallons of irrigation water per square foot is \(326,700\ gallons\ per\ square\ foot\)

For determining the gallons of irrigation water we have to multiply the square foot by the number of gallons in a cubic foot.

Given that,

There are 43,560 square feet in an acre i.e. 1 acre = 43,560.

And, there are 7.5 gallons in a cubic foot i.e. 1 cubic foot = 7.5 gallons.

So, the gallons of irrigation water per square foot is

\(= 43,560 \times 7.5\ gallons \\\\= 326,700\ gallons\ per\ square\ foot\)

Therefore we can conclude that the gallons per square foot of irrigation water is \(326,700\ gallons\ per\ square\ foot\)

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Answer:

326,700 gallons

Step-by-step explanation:

1 acre = 43,560 square feet

1 acre-foot of irrigation is an acre irrigated 1 foot deep with water.

Since thee are approximately 7.5 gallons in 1 cubic foot,

1 acre-foot of irrigation = 43,560 * 7.5 gallons

1 acre-foot = 326,700 gallons

This is the number of gallons in one acre-foot, not gallons per square foot.

Answer:

true

Step-by-step explanation:

Answer:

x = 1053.07 ft

Step-by-step explanation:

So if you look at the diagram I drew it might become a bit more apparent what you have to do. For this problem you'll need to use one of the six trigonometric functions. In this case you know the angle and the opposite side of the angle, and you need the adjacent side. The trigonometric function tan is defined as \(\frac{oppposite}{adjacent}\). So let's plug in the known values:

\(tan(8) = \frac{148}{x}\)

multiply both sides by x

\(tan(8) * x = 148\)

Divide both sides by tan(8)

\(x=\frac{148}{tan(8)}\)

Calculating tan of 8 degrees using a calculator

\(x=\frac{148}{0.141}\)

Simplify

x = 1053.07 ft

Answer:

Linear model representing the total distance she ran and walked, d, as a function of time, t, can be expressed as:

d(t) = 1 + 3.5t

Step-by-step explanation:

To represent the total distance Janie ran and walked as a function of time, we need to consider two components: the distance she walks to the running track and the distance she runs on the track.

Distance walked to the running track: Janie walks 1 mile to reach the track. This distance remains constant regardless of the time she spends running.

Distance run on the track: Janie runs at a speed of 3.5 miles per hour. The distance she runs can be calculated by multiplying her running speed (3.5 miles/hour) by the time she spends running (t hours).

Therefore, the linear model representing the total distance she ran and walked, d, as a function of time, t, can be expressed as:

d(t) = 1 + 3.5t

Here, the constant term '1' represents the distance she walks to the track, and '3.5t' represents the distance she runs on the track, where t is the time she spends running in hours.

The domain is:

D: {-4, 5, 6, 8}

The range is:

R: {-4, 3, 5}

And yes, the relation is a function.

For a relation that maps elements x into elements y (in the form (x, y)), we define the domain as the set of the inputs (values of x) and the range as the set of the outputs (values of y).

Here our relation is defined by: {(6,3), (8,5), (-4,-4), (5,5)}

The domain is the set of the first values of each pair, so we have:

D: {-4, 5, 6, 8}

The range is the set of the second values of each pair:

R: {-4, 3, 5}

Now, is this a function?

Yes, it is a function, because each input is mapped into only one output.

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Answer:

x = 1.1

Step-by-step explanation:

First multiply by x on both sides in order to cancel it from the left side of the equation. After doing this we get 18.15 = 16.5x, from there we can divide by 16.5 on both sides in order to get x alone on the right side of the equals sign. After dividing we get 1.1 = x

The value of the expression  18.15/x = 16.5 is, 1.1

An expression is a sentence with at least two numbers or variables having mathematical operation. Maths operations can be addition, subtraction, multiplication, division.

For example, 2x+3

To find the value of x in the equation 18.15/x = 16.5, we need to isolate x on one side of the equation. We can do this by multiplying both sides of the equation by x:

18.15/x × x = 16.5 × x

On the left-hand side of the equation, the x's cancel out, leaving:

18.15 = 16.5 × x

To solve for x, we can divide both sides of the equation by 16.5:

18.15/16.5 = x

Using a calculator, we can simplify this expression to get:

x ≈ 1.1

Therefore, the value of x is approximately 1.1.

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using SOH CAH TOA

Tan 85.144 =h/130

h=tan 85.144*130

h=1530.19 fr

Answer:

87.18

Step-by-step explanation:

Answer:

114.706%...or 1.14706

Step-by-step explanation:

divide 39 by 34 and you will get 1.14706 and multiply by 100 to get the percentage 114.705% if you round 115%

Answer:

72

Step-by-step explanation:

12 * 6 = 72

of course, IRL not every problem takes the same amount of time

Answer: if they are all algebra questions then 72

Step-by-step explanation:

12 + 12 + 12 + 12 + 12 + 12= 70

9514 1404 393

Answer:

   B.  3x+y=4

Step-by-step explanation:

The constant on the right is positive, so the signs of the coefficients match the signs of the respective intercepts. The graph shows both x- and y-intercepts are positive, so the equation will have positive coefficients everywhere. The appropriate choice is ...

  3x +y = 4

Answer: The last one is the right one

Step-by-step explanation:

So first solve for n

1/2n+3<5

1/2n<2, multiple by 2 on both sides to remove fraction

n<4

the circle will be at 4, and since n<4, n is less than 4, so your line must also be less that 4.

Mateo currently has $100 in his bank account and plans on saving $20 per week in order to save for soccer camp over the summer.

The equation becomes: S = 20 w + 100

Equations are mathematical statements that show the equivalence or balance of two expressions. The equal sign (=) signifies that it contains variables, integers, and mathematical operations. Equations are used to represent connections between different quantities and can be solved to get unknown values. For example, to find x in the equation 2x + 3 = 7, take the third term away from both sides, giving 2x = 4, and then divide both sides by two, giving x = 2.

The equation becomes: S = 20 w + 100

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The value of dy/dx is 5x^4 / (x + 1)^6.

What is the derivative?

A function's sensitivity to change with respect to a change in its argument is measured by the derivative of a function of a real variable.

The given function is y = (x / (x + 1))^5

Taking derivative on both sides,

dy/dx = d/dx (x / (x + 1))^5)

Using chain rule,

dy/dx = 5(x /  x + 1)^4 x d/dx (x / x + 1)

Using the quotient rule of derivative,

d/dx (x / x + 1) = 1 / (x + 1)^2

So,

dy/dx = 5(x / x+1)^4 x (1 / (x + 1)^2)

dy/dx = 5x^4 / (x + 1)^6

Therefore, the derivative of the given function is, dy/dx = 5x^4 / (x + 1)^6.

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Answer:

Ty for the points.

m<5 is 90 degrees.

Answer:

90

Step-by-step explanation:

Answer:

The required sample size is 329.

Step-by-step explanation:

In a sample with a number n of people surveyed with a probability of a success of \(\pi\), and a confidence level of \(1-\alpha\), we have the following confidence interval of proportions.

\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)

In which

z is the zscore that has a pvalue of \(1 - \frac{\alpha}{2}\).

The margin of error is:

\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)

31% of all computer users in a recent year had tried to get on a Wi-Fi network that was not their own in order to save money.

This means that \(\pi = 0.31\)

Confidence level is not given, so we assume 95%.

95% confidence level

So \(\alpha = 0.05\), z is the value of Z that has a pvalue of \(1 - \frac{0.05}{2} = 0.975\), so \(Z = 1.96\).

What is the required sample size if you want to estimate this proportion with a margin of error of 0.05?

We need a sample size of n. n is found when M = 0.05. So

\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)

\(0.05 = 1.96\sqrt{\frac{0.31*0.69}{n}}\)

\(0.05\sqrt{n} = 1.96\sqrt{0.31*0.69}\)

\(\sqrt{n} = \frac{1.96\sqrt{0.31*0.69}}{0.05}\)

\((\sqrt{n})^2 = (\frac{1.96\sqrt{0.31*0.69}}{0.05})^2\)

\(n = 328.6\)

Rounding up

The required sample size is 329.

Answer:I don’t know

Step-by-step explanation:

Answer:

a) The 99% confidence interval for the mean number of steps taken on a typical workday for all people working in New York City who wear an activity tracker is (9,009, 10,585).

We are 95% confident that the mean number of steps taken on a typical workday for all people working in New York City who wear an activity tracker is within 9,009 and 10,585 steps.

b) No, we can not use the confidence interval to estimate the probability of individual values. It can onlybe used to make inference about the population mean.

Step-by-step explanation:

a) We have to calculate a 99% confidence interval for the mean.

The population standard deviation is not known, so we have to estimate it from the sample standard deviation and use a t-students distribution to calculate the critical value.

The sample mean is M=9,797.

Ths sample standard deviation is s=2,313.

The sample size is N=61.

When σ is not known, s divided by the square root of N is used as an estimate of σM:

\(s_M=\dfrac{s}{\sqrt{N}}=\dfrac{2313}{\sqrt{61}}=\dfrac{2313}{7.81}=296.15\)

The degrees of freedom for this sample size are:

\(df=n-1=61-1=60\)

The t-value for a 99% confidence interval and 61 degrees of freedom is t=2.66.

The margin of error (MOE) can be calculated as:

\(MOE=t\cdot s_M=2.66 \cdot 296.15=787.84\)

Then, the lower and upper bounds of the confidence interval are:

\(LL=M-t \cdot s_M = 9797-787.84=9009\\\\UL=M+t \cdot s_M = 9797+787.84=10585\)

The 99% confidence interval for the mean number of steps taken on a typical workday for all people working in New York City who wear an activity tracker is (9,009, 10,585).

b) The value of 8,500 steps is outside the confidence interval, but this means that it is an unusual value for the mean number of steps for all people in New York City who wear an activity tracker.

We can not use the confidence interval to estimate the probability of individual values.

The activity tracking devices.

The activity tracker re those devices such as watches and a bands that tells you about your physical activity such as skipping, running, and walking. They simply count the steps and tell you about the daily goals and targets. They are quite effective for monitoring blood pressure and more.

Thus answer is 9,009, 10,585 workers,  9,009, and 10,585 steps and population mean.

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When solving a linear system of equations, you are looking for the points of intersection between the equations

From the question, we have the following parameters that can be used in our computation:

Solving a system of linear equations

Also, we have the following from the options

The general rile is that

Slope = rate of change

x and y intercepts = when y and x equals 0

points of intersection = solution to the system

Hence, you are looking for the points of intersection between the equations

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Question

When solving a linear system of equations, you are looking for which of the following?

Slope

y-intercept

x-intercept

Points of intersection

Answer:

\(\frac{25}{35}\), which simplifies into \(\frac{5}{7}\)

Step-by-step explanation:

You divide both sides by 35 and get \(\frac{25}{35}\)

The price of foreign currency in relation to the local currency is referred to as the Nominal Exchange rate. It displays how many units of local money must be renounced in order to obtain one unit of foreign cash.

The amount of local currency required to buy foreign currency is known as the nominal exchange rate. The NEER is a measure of a nation's ability to compete internationally in the foreign exchange (forex) market.

Yes, you can exchange 1 USD for 90 YEN on the foreign exchange market, and vice versa. Nominal currency appreciation is the term used to describe a decline in this measure.

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The correct Question is -

What is the Nominal Exchange Rate?

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Answer:

Step-by-step explanation:

67

Alijah's taxable income puts him in the first tax bracket, over $8,350 but not surpassing $33,950. Hence, his tax due is a base of $835 plus 15% of the income that exceeds $8,350. This results in a total tax payable of $850. Option B is the correct answer.

Alijah's taxable income falls within the first bracket of the tax table given, being over $8,350 but not over $33,950.

This bracket requires him to pay a tax of $835.00 plus 15% of the amount over $8,350.

He has a surplus of $100 over the $8,350 threshold (i.e., $8,450 - $8,350), and 15% of $100 equals $15.

Therefore, the total tax he owes would be the fixed amount of $835.00 plus the $15.00 calculated, which sums up to $850.00.

Thus, looking at the provided options, option B ($850.00) would be the correct answer.

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The amount of Duane's first payment that goes to interest is approximately $26.47.

To determine the amount of Duane's first payment that goes to interest, we need to use the amortization formula for a loan.

The formula to calculate the interest portion of a loan payment is:

Interest = Remaining Balance * Monthly Interest Rate.

Let's calculate the interest for the first payment using the given information:

Loan Amount = $5,000.00

Monthly Payment = $118.57

First, we need to calculate the monthly interest rate:

Monthly Interest Rate = Annual Interest Rate / 12

= 6.5% / 12

= 0.00542

Next, we need to calculate the remaining balance after the first payment:

Remaining Balance = Loan Amount - Principal Paid

= $5,000.00 - $118.57

= $4,881.43

Finally, we can calculate the interest portion of the first payment:

Interest = Remaining Balance * Monthly Interest Rate

= $4,881.43 * 0.00542

= $26.47

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