sum interior of polygon help!

Answer:

Thats so true, mark me as brainliest!

Step-by-step explanation:

Answer: It is 1.2 in decimal number format

Please give brainliest if this makes the most sense!

If the mean weight of 4 backfield members on the football team is 211lb and the mean weight of the 7 other players is 203lb, the mean weight of the 11-person team is 206lb.

The mean refers to the average of the data value.

The mean can be computed as the quotient of the total value divided by the number of items in the data set.

The mean weight of 4 backfield members on the football team = 211lb

The total weight of the 4 backfield members = 844lb (211 x 4)

mean weight of the 7 other players on the football team = 203lb

The total weight of the 7 other players = 1,421lb (203 x 7)

The total weight of the 11 football team members = 2,265lb (844 + 1,421)

The average or mean weight of the 11 members = 205.9lb (2,265 ÷ 11)

= 206lb

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When estimating a population mean, you are more likely to be correct when using an interval estimate rather than a point estimate. An interval estimate provides a range of values within which the true population mean is likely to fall, accounting for uncertainty. This range provides a higher level of confidence compared to a single point estimate.

When estimating a population mean, you are more likely to be correct when using an interval estimate rather than a point estimate. The reason is that an interval estimate provides a range of values within which the population mean is likely to fall, taking into account the inherent uncertainty in the estimation process.

A point estimate, on the other hand, provides a single value as an estimate of the population mean, without accounting for the variability or margin of error. While a point estimate may be close to the true population mean, there is no measure of confidence or precision associated with it.

An interval estimate, such as a confidence interval, incorporates both a point estimate and a margin of error, which quantifies the uncertainty in the estimate. By providing a range of values, the interval estimate acknowledges that the true population mean may fall within that range with a certain level of confidence.

Using an interval estimate allows for a more comprehensive understanding of the population mean and provides a measure of the reliability of the estimate. It acknowledges the inherent variability in sampling and estimation processes, ultimately increasing the likelihood of being correct in estimating the population mean.

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The answer is a² + 6. "Sum of a squared and 6" means you square a value and then add 6 to it.

Answer:

x = √324 = 18

Step-by-step explanation:

x shows up only in the second problem, so I'll focus on that problem.

This is a right triangle because one of the three angles is 90 degrees.

Thus, the Pythagorean Theorem applies:  x^2 + 24^2 = 30^2, or

x^2 = 900 - 576 = 324

Then x = √324 = 18

(a) f(11) = 0.0679

(b) f(16) = 0.0881

(c) P(x > 16) = 0.0039

(d) P(x = 15) = 0.1868

(e) E(X) = 16

(f) Var(X) = 3.2 and o = 1.7889

The question is related to the binomial experiment, which is used to calculate the probability of a certain number of successes in a fixed number of trials with a known probability of success.

f(11) is the probability of getting exactly 11 successes in 20 trials with a probability of success 0.8. Using the binomial probability formula, we get f(11) = 0.0679.

f(16) is the probability of getting exactly 16 successes in 20 trials with a probability of success 0.8. Using the binomial probability formula, we get f(16) = 0.0881.

P(x > 16) is the probability of getting more than 16 successes in 20 trials with a probability of success 0.8. We can calculate this by adding the probabilities of getting 17, 18, 19, and 20 successes. Using the binomial probability formula, we get P(x > 16) = 0.0039.

P(x = 15) is the probability of getting exactly 15 successes in 20 trials with a probability of success 0.8. Using the binomial probability formula, we get P(x = 15) = 0.1868.

E(X) is the expected value or mean of the binomial distribution. We can calculate this using the formula E(X) = n*p, where n is the number of trials and p is the probability of success. In this case, we get E(X) = 16.

Var(X) is the variance of the binomial distribution, which measures the spread of the distribution. We can calculate this using the formula Var(X) = np(1-p), where n is the number of trials and p is the probability of success. In this case, we get Var(X) = 3.2. The standard deviation or o can be calculated by taking the square root of the variance, so we get o = 1.7889.

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The correct answer is -|x - 2| = -5

Answer:

Thats incorrect. 684+270=954. 654+ would be saying a number thats 654 or higher. But not stating the real total.

Step-by-step explanation:

Hope this helped!! :)

I'm at home eating a twizzler

In conclusion  there are no points among the given options that are on the parabola.

why it is?

The vertex of the parabola is the midpoint between the point (6, 2) and the line y = 4, which is at (6, 3). Since the focus is below the vertex and the directrix is a horizontal line, the equation of the parabola is of the form:

(x - h)²2 = 4p(y - k)

where (h, k) is the vertex and p is the distance from the vertex to the focus (and from the vertex to the directrix).

Using the vertex and the given point (6, 2), we can find that p = 1. Therefore, the equation of the parabola is:

(x - 6)²2 = 4(y - 3)

Now we can check which of the given points satisfy this equation:

A. (4, 6)

(4 - 6)²2 = 4(6 - 3)

4 = 12 - 12

This point is not on the parabola.

B. (5, 7)

(5 - 6)²2 = 4(7 - 3)

1 = 16

This point is not on the parabola.

C. (6, 5)

(6 - 6)²2 = 4(5 - 3)

0 = 8

This point is not on the parabola.

D. (7, 6)

(7 - 6)²2 = 4(6 - 3)

1 = 12

This point is not on the parabola.

E. (8, 5)

(8 - 6)²2 = 4(5 - 3)

4 = 8

This point is not on the parabola.

Therefore, there are no points among the given options that are on the parabola.

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Complete question:

Which points are on the parabola defined as the set of points the same distance from (6,2) and the line y=4?

Answer:

\( PQ + QR = PR \) => equation 1

\( RS + ST = RT \) => equation 2

\( PR + RT = PT \) => equation 3

Step-by-step explanation:

Points P, Q, R, S, and T are collinear therefore, the following equations can be written based on the segment addition postulate:

\( PQ + QR = PR \) => equation 1

\( RS + ST = RT \) => equation 2

\( PR + RT = PT \) => equation 3

More equations can actually be written from the diagram given using the segment addition postulate. Such as:

\( PQ + QR + RS + ST = PT \)

A line beginning at point (0, 0) and continuing through the point (28, 7) describes the graph of the proportional relationship. 2nd option is the answer

Given: the proportional relationship

x 12 16 28

y  3  4   7

In order to know the beginning of the line, we need to find the y-intercept.

The equation of a line is of the form

y = mx + c

where m is the slope and c is the y-intercept.

m = y2-y1 /x2-x1

m = 4-3 / 16-12 = 1/4

y = mx + c

3 = 1/4(12) + c

3 = 3 + c

c = 0

Thus, the beginning of the line is (0, 0).

The coordinate of a line or graph is written in the form (x, y). Therefore, the line begins at point (0, 0) and continues through point (28, 7).

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Answer:

Hope this is correct

Step-by-step explanation:

HAVE A GOOD DAY!

If we look at the tree diagram, we can see that we have 12 numbers, they are:

{12, 13, 16, 21, 23, 26, 31, 32, 36, 61, 62, 63}

That's our sample space, if we look at each tree we can count how many numbers has 1 or 6, on the first tree we have 2 numbers: 21 and 26. On the second tree we have three numbers: 12, 13 and 16, that's expected because the first digit is 1. For the second tree we have just two, 31 and 36. For the last tree we have three again because of the digit 6.

Therefore the probability will be how many numbers that has 1 or 6 divided by the sample space, then

The probability is

The similar paperweight has a volume of 67.2 cubic cm if the height is 7 cm.

It is defined as a three-dimensional space enclosed by an object or thing.

As we know,

Volume = base area×height

38.4 = base area×4

base area = 38.4/4 = 9.6 square cm

A mathematically similar paperweight has a height of 7 cm.

Volume = base area×height

Volume = 9.6×7 = 67.2 cubic cm

Thus, the similar paperweight has a volume of 67.2 cubic cm if the height is 7 cm.

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Answer:6

Step-by-step explanation:multiply 70 times 6

Answer:

420÷ 6=70

Step-by-step explanation:

6x70=420 :)

Answer:

Parallel lines have to have the same slope, and the only one that has a slope of 1/4 is y = 1/4x - 1/2

Answer:2734375

Step-by-step explanation:

q=35/7=5

b9=b1*q^8=7*5^8=2734375

I don't think I'm wrong but the answer 90

Answer:

2.6+7.4 or 2.4+7.6

Step-by-step explanation:

Both of the above equals to 10!

Answer:

Therefore,

(sin theta + cos theta) / [cos theta (1 - cos theta)] = sec theta + csc theta

= [sqrt(1 - cos^2 theta) + cos theta] / [cos theta (1 - cos theta)]

Step-by-step explanation:

We know that:

tan theta = sin theta / cos theta

Using this, we can say:

8/15 = sin theta / cos theta

We also know that:

sin^2 theta + cos^2 theta = 1

Rearranging, we get:

sin^2 theta = 1 - cos^2 theta

Taking the square root, we get:

sin theta = sqrt(1 - cos^2 theta)

Putting the value of sin theta in terms of cos theta in the given expression, we get:

(sin theta + cos theta) / [cos theta (1 - cos theta)]

= [sqrt(1 - cos^2 theta) + cos theta] / [cos theta (1 - cos theta)]

= [sqrt(1 - cos^2 theta) / cos theta] + 1 / (1 - cos theta)

= sec theta + csc theta

Now, we need to find the value of sec theta and csc theta in terms of cos theta. We know that:

sec theta = 1 / cos theta

csc theta = 1 / sin theta

= 1 / sqrt(1 - cos^2 theta)

Substituting these values in the expression we derived earlier, we get:

(sec theta + csc theta) = 1/cos theta + 1/ sqrt(1 - cos^2 theta)

= [sqrt(1 - cos^2 theta) + cos theta] / [cos theta (1 - cos theta)]

\(\left(\sqrt[3]{- \dfrac 18} \right)^3+3\dfrac3 4\\\\\\=\left[\left(-\dfrac 18 \right)^{\tfrac 13}\right]^3+ \dfrac{12+3}4\\\\\\=\left(-\dfrac 18 \right)^{\tfrac 33\right)+ \dfrac{15}4\\\\\\=\dfrac{15}{4}- \dfrac 18\\\\\\\\=\dfrac{30-1}{8}\\\\\\=\dfrac{29}8\\\\\\=3\dfrac 58 \\\\\\= 3.625\)

Answer:

29/8

Step-by-step explanation:

Answer:

Step-by-step explanation:

6 new red cars

5 used red cars

3 new silver cars

7 used silver cars

Out of all the cars

10/21 (47.6%) chance of picking a silver car

3/21 (14%) of picking a NEW silver car

7/21 (33%) of picking a USED silver car

Out of the Silver cars

3/10 (30%) of picking a NEW used silver car

7/10 (70%) of picking a USED silver car

0-192 29-17

Equation can be solced to find t

94 cause 50- -60=110 then 110-16=94