2) A-5=62 PLSSSS HELLPPP

Answer:

x<-2

Step-by-step explanation:

17+4x<9

4x<-8

x<-2

The solution is:

Work/explanation:

Recall that the process for solving an inequality is the same as the process for solving an equation (a linear equation in one variable).

Make sure that all constants are on the right:

\(\bf{4x < 9-17}\)

\(\bf{4x < -8}\)

Divide each side by 4:

\(\bf{x < -2}\)

Answer:

35 degrees for first one but i d k the others

Step-by-step explanation:

A) A 99% confidence interval for the proportion of cell phone owners who do most of their online browsing on their phone is between 15.9% to 18.1%.

B) AS we have used the  normal distribution to test and then we have found that we have enough evidence to reject the null hypothesis in favor of the alternative.

C) Test statistic = 2.35.

p -value = 0.009

To answer the first question, we need to find a confidence interval for the proportion. This interval represents a range of values that we are reasonably certain the true population proportion falls within. The 99% confidence interval is calculated by taking the sample proportion (0.17), adding and subtracting a margin of error based on the standard error (0.0085), and then multiplying by the appropriate critical value from the normal distribution (2.58). This gives us a confidence interval of 15.9% to 18.1%.

For the second question, we need to set up our hypotheses. The null hypothesis (H0) is that the true population proportion is equal to 0.15, while the alternative hypothesis (Ha) is that it is greater than 0.15. We will use a one-tailed test with a significance level of 0.05 to determine whether we have enough evidence to reject the null hypothesis in favor of the alternative.

To perform the hypothesis test, we need to calculate a test statistic and a p-value. The test statistic is a measure of how far our sample proportion is from the hypothesized value of 0.15, in terms of standard errors. In this case, the test statistic is (0.17 - 0.15) / 0.0085 = 2.35.

The p-value is the probability of getting a test statistic as extreme as 2.35 or more extreme, assuming the null hypothesis is true. Using a normal distribution table or calculator, we find that the p-value is 0.009.

Since our p-value is less than the significance level of 0.05, we have enough evidence to reject the null hypothesis and conclude that the true population proportion is likely greater than 0.15.

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Answer:

The second one the amount of monthly sales

Step-by-step explanation:

The 2000 is the total

The 95% confidence interval for the true proportion of all auto accidents involving teenage drivers is approximately (0.1205, 0.1927).

To find the 95% confidence interval for the true proportion of all auto accidents involving teenage drivers, we can use the formula for the confidence interval for a proportion.

The formula for the confidence interval is:

CI = p1 ± Z * √((p1 * (1 - p1)) / n)

Where:

CI is the confidence interval,

p1 is the sample proportion (proportion of accidents involving teenage drivers),

Z is the Z-score corresponding to the desired confidence level (95% confidence level corresponds to Z ≈ 1.96),

n is the sample size (number of accidents checked).

Given:

Number of accidents checked (sample size), n = 582

Number of accidents involving teenage drivers, x = 91

First, we calculate the sample proportion:

p1 = x / n = 91 / 582 ≈ 0.1566

Now we can calculate the confidence interval:

CI = 0.1566 ± 1.96 * √((0.1566 * (1 - 0.1566)) / 582)

Calculating the standard error of the proportion:

SE = √((p1 * (1 - p1)) / n) = √((0.1566 * (1 - 0.1566)) / 582) ≈ 0.0184

Substituting the values into the formula:

CI = 0.1566 ± 1.96 * 0.0184

Calculating the values:

CI = 0.1566 ± 0.0361

Finally, we can simplify the confidence interval:

CI = (0.1205, 0.1927)

Therefore, the 95% confidence interval for the true proportion of all auto accidents involving teenage drivers is approximately (0.1205, 0.1927).

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The volume of a tetrahedron in the first octant bounded by the coordinate planes and the plane passing through (2,0,0), (0,1,0), and (0,0,4) using integration, with the order of integration dzdydx i.e. V = ∫[0 to 2] ∫[0 to 1 - x/2] ∫[0 to 4] dz dy dx.

To find the volume of the tetrahedron, we can set up a triple integral using the given order of integration dzdydx. The limits of integration will correspond to the bounds of the region within the tetrahedron. Since the tetrahedron is bounded by the coordinate planes and the plane passing through (2,0,0), (0,1,0), and (0,0,4), the limits of integration will be:

For z: 0 to 4

For y: 0 to 1 - x/2

For x: 0 to 2

Setting up the integral, we have:

V = ∫∫∫ dzdydx

V = ∫[0 to 2] ∫[0 to 1 - x/2] ∫[0 to 4] dz dy dx

Evaluating this triple integral will give us the volume of the tetrahedron in the first octant.

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Answer:

Y = -3x - 1

Step-by-step explanation:

Y= mx + b

M is the slope

Y is the y intercept

Answer:

b. \( 68 + 17h = 357 \)

f. 17 hours

Step-by-step explanation:

Charges for coming to my house = $68 (this will be the constant of the equation)

Amount charged per hour labor = $17

hours = h

Total amount paid to Mike = 357

The equation that represents this situation can be expressed as:

\( 68 + 17h = 357 \)

Solve for h

\( 68 + 17h - 68 = 357 - 68 \) (subtraction property of equality)

\( 17h = 289 \)

\( \frac{17h}{17} = \frac{289}{17} \) (division property of equality)

\( h = 17 \)

Mike was in my house for 17 hours.

An equation of the line that passes through the given point and is

(a) parallel to is y = -3x - 7

(b) perpendicular to is y = (1/3)x + 1/3.

a) Parallel line

The slope of the given line is -3. The slope of a parallel line is also -3. So, the equation of the parallel line will be of the form:

y = -3x + b

Plug the point (-2, -1) into this equation to solve for b, the y-intercept.

-1 = -3(-2) + b

-1 = 6 + b

-7 = b

Therefore, the equation of the parallel line is:

y = -3x - 7

b) Perpendicular line

The slope of a perpendicular line is the negative reciprocal of the slope of the given line. The slope of the given line is -3, so the slope of the perpendicular line is 1/3. So, the equation of the perpendicular line will be of the form:

y = (1/3)x + b

Plug the point (-2, -1) into this equation to solve for b, the y-intercept.

-1 = (1/3)(-2) + b

-1 = -2/3 + b

1/3 = b

Therefore, the equation of the perpendicular line is:

y = (1/3)x + 1/3

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ANSWER: dA/dt=0.17A A(0)=950

The correct differential equation and initial condition for the continuous compounding of a sum of 950$ at 17% interest are given by dA/dt = 0.17A and A(0) = 950. This represents the rate of change of the amount A(t) with respect to time and the initial investment value, respectively.

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9!

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

2! x 2! x 2!

The numbers, 8 is a multiple of are 1, 2, 4 & 8.

What is a multiple?

Multiples are values which come in other numbers multiplication table. When two numbers are multiplied together, the result is a multiple, or product. For instance, if we say 4 × 5 = 20, here 20 is a multiple of 4 and 5. The other multiples of 4 can be listed as 4 (4 ×1 = 4), 8 (4 × 2 = 8), 12 (4 × 3 = 12), and so on.

Solution/Explanation:

1*8=8

2*4=8

4*2=8

8*1=8

so there are 4 numbers whose multiple is 8.

Let's take a number 6

Now, we know that 6 comes in numbers 1, 2, 3, 6 multiplication table so 6 is a multiple of 1, 2, 3, 6

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(a) The total amount Bill ended up paying for the equipment, including the down payment and monthly payments, can be calculated by adding the down payment to the total amount paid through monthly payments over the years.

(b) To determine the amount of interest Bill paid on the loan, we need to subtract the initial loan amount (rest of the equipment cost after the down payment) from the total amount paid.

(a) The total amount Bill ended up paying for the equipment can be obtained by adding the down payment to the total amount paid through monthly payments. The down payment represents the initial contribution made towards the purchase, while the monthly payments gradually cover the remaining cost of the equipment over the years. By summing up these two amounts, we obtain the total amount paid by Bill for the lab equipment.

(b) To calculate the amount of interest Bill paid on the loan, we need to subtract the initial loan amount from the total amount paid. The initial loan amount corresponds to the cost of the equipment minus the down payment. This represents the principal amount that Bill borrowed to finance the purchase. By subtracting the principal amount from the total amount paid, we can determine the interest paid on the loan.

It's important to note that the specific values for the down payment, loan amount, and monthly payments are not provided in the question. To obtain the exact total amount paid and the interest paid, these values would need to be known or provided.

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Answer:

There were 86 problems on the test.

Step-by-step explanation:

72/87 = y/100

You use cross multiplication to solve. When you do this, you get the answer 86.75 problems, but since you can't have .75 of a problem, the answer is 86.

Answer:

x=8a

Step-by-step explanation:

(3/a) x - 4 = 20

add 4 to both sides

(3/a) x = 24

Divide by 3/a

x = 24 / (3/a)

Use KCF (keep change flip)

x = (24/1) x (a/3)

x = 24a / 3

simplify

x = 8a

The ratio of \(r:s = 1:3\).

Label our triangle ABC where,

AB=17, AC=13, and BC=8.

Let L, J, and K be the tangency points of BC, AC, and AB respectively.

Let \(AK=x\), which implies \(AJ=x\). Thus \(KB=BL=17-x\) and \(JC=LC=13-x\)

\(\because BL+LC = (17-x)+(13-x) = 8 & x = 11\)

\(\therefore r:s = CL:BL = 13-x:17-x = 2:6\)

\(\text{Hence, } r:s = 1:3\)

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Answer:

BD = 2.4 units

AB = 4 units

Step-by-step explanation:

using the Pythagorean theorem:

3²-1.8² = BD²

BD² = 5.76

BD =  2.4

2.4²+3.2² = AB²

AB² = 16

AB = 4

This  has to be determined by pythagorian theorem. Hence the value of AB= 4 units and BD= 2.4 units.

Given: AD = 3.2 units

          BC  = 3 units

          CD  = 1.8 units

Find : AB =? units

          BD=? units

As we know that ,

By the formula of  pythagorian theorem,

Let be a ΔABC,

                     \(\bold{(AB)^{2} = (BC)^{2} +(AC)^{2}}\)

From the above formula now  determined  the value of AB and BD,

Firstly , find the value of BD

In ΔBDC, by applying pythagaorian theorem,

\(\bold{(BC)^{2} = (BD)^{2} +(DC)^{2}}\)                                                         ...(1)

Here, BC  = 3 units and CD = 1.8 units

Now put the values of  BC and CD  in (1),

\(\begin{aligned}(3)^{2} &=(BD)^{2}+(1.8)^{2}\\9&=(BD)^{2}+3.24\\9-3.24&=(BD)^{2}\\5.76&=(BD)^{2}\\\sqrt{5.76} &=BD\\\bold{BD&= 2.4}\:units\end{aligned}\)                                                         ...(2)

Now find the value of AB,

In ΔABD, by applying pythagorian theorem,

\(\bold{(AB)^{2}=(AD)^{2} + (BD)^{2} }\)                                                       ...(3)

Here, AD=3.2 and from (2) BD=2.4

By putting values in (3) ,

\(\begin{aligned}(3.2)^{2} +(2.4)^{2}&=(AB)^{2}\\10.24+5.76&=(AB)^{2}\\16&=(AB)^{2}\\\sqrt{16} &=AB\\\bold{AB&= 4}\:units\end{aligned}\)

Therefore,the values of AB=4 units and BD= 2.4 units.

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Answer:

Assuming f(x) = 3x^2 - 3x + 1, f(-2) is 16.

Step-by-step explanation:

Check answer.

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When President Dwight Eisenhower ordered the Arkansas National Guard into service to enforce court orders to desegregate schools, it was an example of a) executive orders.

Executive orders are directives issued by the President of the United States that have the force of law. They are used to manage and govern the operations of the federal government. In this case, President Eisenhower used his executive authority to deploy the Arkansas National Guard to enforce the desegregation of schools as mandated by the courts.

The Supreme Court's landmark decision in Brown v. Board of Education in 1954 declared that segregation in public schools was unconstitutional. However, resistance to desegregation persisted in some areas of the country, including Arkansas. To ensure compliance with the court's ruling, President Eisenhower exercised his executive power and deployed the National Guard to Little Rock, Arkansas, to protect and enforce the rights of African American students seeking to attend previously all-white schools.

Therefore, President Eisenhower's action of ordering the Arkansas National Guard to enforce court orders to desegregate schools falls under the category of a) executive orders, as he used his executive authority to implement a policy decision.

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Explanation:

The function is somewhat sinusoidal but not entirely. Its composed of piecewise line segments when we should have a single continuous smooth curve; however, it's still periodic since it repeats itself.

Let's start at the top at the left most corner. This point has x coordinate of x = 1.

The other endpoint of this top left flat portion is when x = 2. Then the function curve goes downhill until it reaches x = 4. From x = 4 to x = 5, we're at the flat bottom part. From x = 5 to x = 7 is when the function increases.

Once we get to x = 7, the process described earlier starts all over again. So this is when the cycle ends and the length of the period is 7-1 = 6 units. The function repeats itself every 6 units, or you can say the length of each cycle is 6 time units (eg: 6 seconds).

Answer:

12 20 15

Step-by-step explanation:

Step-by-step explanation:

The answer of this question is 12, 15, 20 .

Answer:

x=-9

Step-by-step explanation:

To solve for x you should isolate the variable. Do this by adding, subtracting, and dividing terms from both sides. This is done by using the properties of equality.

1) First, subtract 3x from both sides, so that there is only one variable. You can do this using the subtraction property of equality.

2) Next, subtract 31 from both sides to further isolate the variable. This also works through the subtraction property of equality.

3) Finally, divide both sides by 6 to get the final answer. This is allowed through the division property of equality.

The amount of money that Morgan was able to make in the first week would be $ 124

Matrices are mathematical objects which have a rectangular array of numbers, symbols, or expressions laid out in rows and columns. Each element is identified by its row and column location inside the matrix.

The columns have five entries which means that this must be the amount earned per day of a week. The first week earnings would therefore be:

= 24 + 25 + 30 + 10 + 35

= $ 124

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Answer:

Step-by-step explanation:

16.76FT^3

Answer:

they're both two units apart

Step-by-step explanation:

Answer:

There are 10 mm in a cm so if u have let's say 5 cm than u would have 50mm

Answer:

18 dollars

Step-by-step explanation:

well my teacher tought me to use something called a proportian box when you multiply the 60 * 210 equals 600 divided by 100 equals that 6 dollars of the interest then you multiply by 3 months with gives you 18 dollars in total

hope this helps

Answer:

Remember that a number divided by itself is 1. That means if the numerator and denominator are the same, the fraction is equal to 1. So all of the following are equal to 1: 2/2, 3/3, 4/4, and so on.

Step-by-step explanation:

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The application of statistics in drug testing involves various techniques such as hypothesis testing, confidence intervals, regression analysis, analysis of variance (ANOVA), and other statistical models.

In use of statistics in analyzing data about drug tests is an integral part of the engineering process, particularly in pharmaceutical engineering, enabling evidence-based decision-making and enhancing the quality

The use of statistics to analyze data about drug tests falls within the realm of data analysis and interpretation, which is an important part of the engineering process. More specifically, it is commonly associated with the field of pharmaceutical engineering or pharmaceutical development.

These methods help to assess the significance of the observed data, identify patterns, evaluate the impact of variables, and draw conclusions from the experimental results.

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