6.3¹
Given conversion factor ¹2 m, what is the above line segment's unit of
measure in inches? Round your answer to the nearest tenth.
Answer here

Answer:

option b .....is answer

There is sufficient statistical evidence at 5% level of significance that there is   relationship between degree attainment and AGEKDBRN for women.

What is ANOVA model for men?

To ascertain whether there are any statistically significant differences between the means of three or more independent (unrelated) groups, the one-way analysis of variance (ANOVA) is used.

An n-way ANOVA allows a researcher to employ more than two independent variables (with n being the number of independent variables you have). For instance, any disparities in IQ scores can be investigated concurrently by country, gender, age group, ethnicity, etc.

Relationship between degree attainment and AGEKDBRN for women

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The Triple Intergral of the given expression is [tex]4 \pi \times ln (\frac{a}{b})[/tex]

[tex]\int\limits \int\limits \int\limits_w \frac{dx dy dz}{(x^2 + y^2 + z^2)^{\frac{3}{2}}}[/tex]

[tex]\text{Where } x^2 + y^2 + z^2 = a^2 \text{ and } x^2 + y^2 + z^2 = b^2, 0 < b < a[/tex]

Changing to Spherical Coordinates

[tex]b \leq \rho \leq a, 0 \leq \theta \leq 2 \pi, 0 \leq \phi \leq \pi[/tex]

[tex]\therefore x^2 + y^2 + z^2 = \rho^2; dx dy dz = \rho^2 sin \phi .d\phi .d\theta. d\rho[/tex]

[tex]\implies \int\limits^a_b \int\limits^{2\pi}_{0} \int\limits^{\pi}_{0} \frac{1}{\rho^3} \rho^2 sin \phi .d\phi .d\theta. d\rho[/tex]

[tex]=\int\limits^a_b {\frac{1}{\rho}} \, d\rho \int\limits^0_{2\pi} d\theta \int\limits^{\pi}_0 \sin{\phi} \, d\phi[/tex]

[tex]= [ln \rho]^{a}_{b} [\theta]^{2\pi}_{0} [-\cos \phi]^{\pi}_{0}[/tex]

[tex]= [\ln a - \ln b] \times [2\pi] \times [- \cos \pi - (-\cos 0)][/tex]

[tex]= 2\pi \times 2 \times (\ln a - \ln b)[/tex]

[tex]= 4 \pi \, \ln{\frac{a}{b}}[/tex]

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Answer: You would leave $9.75 for the tip.

Step-by-step explanation:

15% of 65 is 9.75, so when you add 15% to 65 you get 74.75. In total you would be paying $74.75 but you would leave a $9.75 tip for the server.

Is this how we solve it?

8 6/12 by - 6 4/5 = A

Hope this helps

i think that's how  we are supposed to do the problem can someone do a walk through for me with variables so i can find it on my own i just need help. I was trying to find a tutor cause I'm confused. But is that how were supposed to do it cause tutor.com isn't working.

Most likely we have to simplify and then subtract it? I hope that's how you solve it!

nvm i think i got it

The correct interpretation of the p-value of the hypothesis is given as follows:

If 15% of teenagers get 8 to 10 hours of sleep each school night, there is a 35% probability that the sample proportion would be 0.19 or more different by chance alone.

At the null hypothesis, it is tested if the proportion is of 15%, that is:

H0: p = 0.15.

At the alternative hypothesis, it is tested if the proportion is different of 15%, that is:

H1: p ≠ 0.15.

We have a two-tailed test, as we are testing if the proportion is different of a value, meaning that the p-value gives the probability of the sample proportion differing by 0.15 at least by the proportion that it differed.

The p-value of this test is given as follows:

0.35.

Hence the first option is correct.

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Answer: 1+1=7

Step-by-step explanation: wheres the question

Answer:

  B)  31

Step-by-step explanation:

Given a stem and leaf plot, you want to identify the minimum value.

The values in a stem and leaf plot are ordered with the smallest stems at the top, and the smallest leaves to the left. The smallest value on the plot will be the one at upper left.

The minimum value on this chart has a "stem" of 3 and a "leaf" value of 1. That is the representation of the data value 31.

The minimum temperature shown on the chart is 31.

Answer: x=4

Step-by-step explanation:

Answer:

Step-by-step explanation:

x = 4

In linear equation, 4,600 mph is the rate of change.

What in mathematics is a linear equation?

A linear equation is a first-order (linear) term plus a constant in the algebraic form y=mx+b, where m is the slope and b is the y-intercept.

                                          Sometimes, the aforementioned is referred to as a "linear equation of two variables," where x and y are the variables.

The satellite Space Explorer flies 82800 miles.

time = 18 hours

= 82800/18

= 4,600 mph.

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The required probability is 0.8437 that a dart hitting the board will land in the unshaded area.

The total area of the board = 8 x 8 = 64 square inches

The area of the shaded region = 15 square inches

The probability of landing in the shaded region is the ratio of the unshaded area to the total area.

The unshaded area = 64 - 15 = 54 square inches

So, the required probability is:

P(unshaded) = 54/64 = 0.8437

Thus, the required probability is 0.8437 that a dart hitting the board will land in the unshaded area.

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Answer:

Step-by-step explanation:

the answer c which is 3,280

Answer:

No solution.

Step-by-step explanation:

The question is asking how many solutions this has. For example:

1+2=x

x would be 3 and can only be 3, so this would have only one solution

Another example:

x>1

This is stating that x is greater than 1, which can be 2,3,4,5,etc. It goes infinitely long, which means It has infinite solutions.

One example of an equation having no solutions is:

x>3

x<1

This is stating that x is greater than 3, and that it's less than 1, which is impossible, aka no solution.

Process in image.

The ratio of sand to cement is 1:4, which means that for every 4 units of cement, there are 1 unit of sand. If we let x represent the number of bags of cement, then the number of bags of sand is 4x.

We are given that there are 100 bags of sand, so we can set up the equation:

4x = 100

x = 100 / 4

x = 25

Therefore, 25 bags of cement are needed to mix with 100 bags of sand.

Hope this helps

The numbers that will be estimated based on the information will be 550 + 298 which gives an estimation of 850. This is an overestimation.

You must approximate (eliminate or round off) the decimals to obtain whole numbers before you can use the whole numbers to find the product of two decimals using estimation.

The estimate is erroneous if only factors with even numbers are taken into account. The estimate is understated if only factors are rounded down.

In this case, 550 + 298: 298 is nearly 300 so an estimate is:

= 550+300

= 850

This is an overestimation.

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Complete question

Solve an estimation of your choice. Then tell if your estimate is an overestimate or underestimate

The volume of the solid is combined of a cone, cylinder, and hemisphere is

329.7 cubic cm.

The volume of a cone is (1/3)πr²h.

The volume of a cylinder is πr²h.

The volume of half a sphere or a hemisphere is (1/3)πr³.

The given figure has a volume combined of a cone, cylinder, and hemisphere.

∴ The volume of the solid is = (1/3)π(3)²×5 + π(3)²×(8) + (2/3)π(3)³ cubic cm.

= (47.1 + 226.08 + 56.52) cubic cm.

= 329.7 cubic cm.

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Answer: 6 units

Step-by-step explanation:

There are two ways to do this. You can either choose 2 points on the graph and find the rise/run, or you can plug them in the formula. Let's choose the two points that are dotted. (1,5) and (0,-1)

Let's first do rise/run.

From (0,-1) to (1,5) the rise is 6 units, and the run is 1 unit. So we just divide that. 6/1 which means the slope is 6 units.

We can also use the formula: m = y2 - y1 / x2 - x1

(0,-1) will be our first coordinate and (0,-1) will be our second coordinate. So 0 is x1 and -1 is y1, 1 will be x2 and 5 will be y2. Now we just plug in the numbers

m=5-(-1)/1-0

m=5+1/1-0

m=6/1

m=6 units

So in both ways we get that the slope is 6 units.

For x=9 movies, the costs of A and B are equal and the equation in terms of A is A=22+2x.

When two expressions are connected with the equals sign (=) in a mathematical formula, it expresses the equality of the two expressions. For instance, an equation in French is described as having one or more variables, whereas in English, an equation is any properly written formula that consists of two expressions linked by the equals sign.

Determine which values of the variables result in the equality to be true in order to solve an equation with variables.

For plan A, cost is $22 and $2 per movie then, for x movies

A=22+2x

For plan B, cost $13 and $3 per movie then, for x movies

B=13+3x

The costs of A and B equal then,

22+2x=13+3x

x=9

For x=9 movies, the costs of A and B are equal  and the equation in terns of A is A=22+2x.

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The simplified exponential expression for this problem is given as follows:

6x^4y.

The exponential expression in this problem is defined as follows:

2x² multiplied by 3yx².

The first step to simplify the expression is multiply the numeric coefficients, as follows:

2 x 3 = 6.

Then:

2x² multiplied by 3yx² = 6x²yx².

When two terms with the same base and different exponents are multiplied, we keep the base and add the exponents, hence:

x²x² = x^(2 + 2) = x^4.

Thus the simplified exponential expression is presented as follows:

6x^4y.

As the variable y is elevated to exponent y and not multiplied, while there were two exponential terms with the variable x, which is why it was multiplied.

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a. The percentage of students in the reference population scored above 775 is of: 16%.

b. The middle 95% of scores were between 400 and 900.

c. Approximately 160 students scored below 525.

The z-score of a measure X of a variable that has mean symbolized by [tex]\mu[/tex] and standard deviation symbolized by [tex]\sigma[/tex] is obtained by the rule presented as follows:

[tex]Z = \frac{X - \mu}{\sigma}[/tex]

The mean and the standard deviation in this problem are given as follows:

[tex]\mu = 650, \sigma = 125[/tex]

Then the proportion of students who scored above 775 is one subtracted by the p-value of Z when X = 775, hence:

Z = (775 - 650)/125

Z = 1.

Z = 1 has a p-value of 0.84.

1 - 0.84 = 0.16, hence the percentage is of:

0.16 x 100% = 16%.

By the Empirical Rule, the middle 95% of scores are within 2 standard deviations of the mean, hence:

The proportion of students who scored below 525 is the p-value of Z when X = 525, hence:

Z = (525 - 650)/125

Z = -1.

Z = -1 has a p-value of 0.16.

Then the amount out of 1000 students is of:

0.16 x 1000 = 160 students.

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Answer: To find the value of ƒ (−4), we substitute −4 for x in the function ƒ(x) = 2x − 9:

ƒ(−4) = 2(−4) − 9

Performing the multiplication and addition, we get:

ƒ(−4) = −8 − 9

Thus, the value of ƒ(−4) is equal to −17.

Answer: ƒ (−4) = -17

Step-by-step explanation:

    To find the value of ƒ (−4) we will substitute all values of x for -4 in the original function and simplify.

ƒ (−4) = 2x - 9

ƒ (−4) = 2(-4) - 9

ƒ (−4) = -17

Answer:

Step-by-step explanation:

Two washing machines are offered at $480, with one marked down 50% and the other marked down 30% and another 20% off. You want to know why the first machine has a better price, and what that price is.

The price after a 50% markdown is ...

  $480 × (1 -50%) = $480 × 0.50 = $240 . . . first machine sale price

The price after a 30% markdown is ...

  $480 × (1 -30%) = $480 × 0.70

After the additional 20% markdown, the price is ...

  ($480×0.70) × (1 -20%) = $480 × 0.70 × 0.80

  = $480 × 0.56 ≈ $269

The first machine is a better deal, because The 50% markdown is off the original price.

The 30% markdown on the second machine is off the original price, but the additional 20% is off the reduced price. Hence the total markdown is not as great as on the first machine.

Answer:

$11.5876 (please give brainiest)

Step-by-step explanation:

9.82x1.18=11.5876

The vertex of a parabola is the point on the graph where the parabola reaches its highest or lowest point. In the case of a quadratic function, the vertex is always of the form (h, k), where h is the x-coordinate of the vertex and k is the y-coordinate of the vertex.

The function g(x) = f(-x) - 2 can be obtained from the function f(x) by replacing all instances of x with -x and then subtracting 2 from the result. This transformation will flip the parabola over the y-axis and shift it down by 2 units.

The vertex of the parabola resulting from the function g(x) will be the point where the parabola reaches its highest or lowest point after this transformation. Since the parabola is flipped over the y-axis and shifted down by 2 units, the vertex of the resulting parabola will have the same x-coordinate as the original vertex (-6) and a y-coordinate that is 2 units lower than the original y-coordinate (5 - 2 = 3).

Therefore, the vertex of the function g(x) = f(-x) - 2 is (-6, 3).

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For the typical glass thickness of 3.12 mm, the 95% two-sided confidence interval will be (3.067,3.173).

An area created using fixed-size samples of data from a population (sample space) that follows a particular probability distribution is known as a confidence interval. A selected population statistic is built into the interval with a specified probability. An estimate's level of uncertainty is described by a confidence interval, which is a range of numbers.

Here,

mean x=3.12 mm

Standard deviation s=0.14 mm

number of sample n=21

two-sided confidence interval,

=x±tₐ÷₂(s/√n)

a=1-0.95

a=0.05

t₀.₀₅,₂₀=1.725

=3.12±1.725*(0.14/√21)

=3.12±1.725*(0.14/4.58)

=3.12±1.725*0.0306

=3.12±0.053

=(3.067,3.173)

The 95% two-sided confidence interval for the mean glass thickness of 3.12 mm will be (3.067,3.173).

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