Madeline wants to wrap a candle in the shape of a right circular candle in wrapping paper. the candle has a diameter of 4 inches and a height of 10 inches. How much wrapping paper does she need? Use 3.14 for pi. Please help!!!

Answer:

90 degree counter clockwise rotation about the origin
reflect across the x-axis

Step-by-step explanation:

Answer:

It's grade 4! :)

Step-by-step explanation:

Answer:

A. rational

Step-by-step explanation:

ive learned this before

Answer:

Whole C)

Square root of 144 is 12

Answer:

D. She only needs to know the measures of two angles, but one of the angles must be one of the remote interior angles.

Step-by-step explanation:

Because we don't know what kind of triangle we're looking at, and none of the lines are parallel or perpendicular, the other responses wouldn't make sense.

As a result, we'll need two perspectives.

C would not work since we would know that the two angles are supplementary if we knew A or B.

If we start with A, we'll end up with B, which is 180-A, and vice versa.

Both A and B are unnecessary.

Answer:

d

Step-by-step explanation:

100 on edge

Answer:

17.25

Step-by-step explanation:

divide the pay by hours worked

after simplifying the expression - 3 / 4 (5 p - 12) + 2 (8 - 1 / 4 p), we get the result as 27 - 17 / 4 p.

We are given the expression:

- 3 / 4 (5 p - 12) + 2 (8 - 1 / 4 p)

We need to simplify and solve the expression.

First we will solve the brackets.

- 15 / 4 p + 9 + 16 - 2 / 4 p

Now we will combine the like terms, so, we get that:

= 27 - 17 / 4 p

Therefore, after simplifying the expression - 3 / 4 (5 p - 12) + 2 (8 - 1 / 4 p), we get the result as 27 - 17 / 4 p.

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The two internal bisectors and one external bisector of the angles of a triangle meet the opposite sides in three collinear points.

When we consider a triangle, each angle has an internal bisector and an external bisector.

The internal bisector of an angle divides the angle into two equal parts, while the external bisector extends outside the triangle and divides the angle into two supplementary angles.

To prove that the two internal bisectors and one external bisector of the angles of a triangle meet the opposite sides in three collinear points, we need to understand the concept of angle bisectors and their properties.

First, let's consider one of the internal bisectors. It divides the angle into two equal parts and intersects the opposite side.

Since both angles formed by the bisector are equal, the opposite sides of these angles are proportional according to the Angle Bisector Theorem.

Now, let's focus on the second internal bisector. It also divides its corresponding angle into two equal parts and intersects the opposite side. Similarly, the opposite sides of these angles are proportional.

Next, let's examine the external bisector. Unlike the internal bisectors, it extends outside the triangle. It divides the exterior angle into two supplementary angles, and its extension intersects the opposite side.

To understand why the three bisectors meet at collinear points, we observe that the opposite sides of the internal bisectors are proportional, and the opposite sides of the external bisector are also proportional to the sides of the triangle.

This implies that the three intersecting points lie on a straight line, as they satisfy the condition of collinearity.

In conclusion, the two internal bisectors and one external bisector of the angles of a triangle meet the opposite sides in three collinear points due to the proportional relationship between the opposite sides formed by these bisectors.

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Given: X ~ Exp(1/3) Mean and standard deviation:

The mean of an exponential distribution is equal to the reciprocal of the rate parameter, which in this case is 1/3. So, the mean (μ) is given by:

μ = 1 / (1/3) = 3

The standard deviation (σ) of an exponential distribution is also equal to the reciprocal of the rate parameter. Therefore, the standard deviation is also 1/3.

Mean (μ) = 3

Standard deviation (σ) = 1/3

P(x > 1):

To find P(x > 1), we need to calculate the cumulative distribution function (CDF) of the exponential distribution and subtract it from 1.

The CDF of an exponential distribution is given by:

F(x) = 1 - exp(-λx)

Since the rate parameter (λ) is 1/3 in this case, the CDF becomes:

F(x) = 1 - exp(-(1/3)x)

Therefore, to find P(x > 1), we evaluate the CDF at x = 1 and subtract it from 1:

P(x > 1) = 1 - F(1)

P(x > 1) = 1 - (1 - exp(-(1/3)(1)))

P(x > 1) = exp(-(1/3))

So, P(x > 1) is approximately 0.7165.

Minimum value for the upper quartile:

The upper quartile is the 75th percentile of the distribution. To find the minimum value for the upper quartile, we can use the quantile function of the exponential distribution.

The quantile function for an exponential distribution is given by:

Q(p) = -ln(1 - p) / λ

Since the rate parameter (λ) is 1/3 in this case, the quantile function becomes:

Q(p) = -ln(1 - p) / (1/3)

To find the minimum value for the upper quartile, we set p = 0.75 (75th percentile) and solve for Q(p):

Q(0.75) = -ln(1 - 0.75) / (1/3)

Q(0.75) = -ln(0.25) / (1/3)

Calculating this expression, the minimum value for the upper quartile is approximately 2.7726.

P(x = 1/3):

Since the exponential distribution is a continuous distribution, the probability of getting an exact value (such as x = 1/3) is zero. Therefore, P(x = 1/3) is equal to zero.

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Answer:

16

Step-by-step explanation:

4x3=12 tins of white paint

12+4=16 total tins

The total number of tins used by the Peony will be 16.

An ordered pair of numbers a and b, represented as a / b, is a ratio if b is not equal to 0. A proportion is an equation that sets two ratios at the same value. The numerical relationship between two values demonstrates how frequently one value contains or is contained within another.

Given that Peony mixes red paint and white paint in a ratio of 1:3 She uses four tins of red paint.

The Number of red tins,

R = 4 x 1 = 4

The number of white tins,

W = 4 x 3 = 12

Total number of tins,

T = R +W

T = 4 + 12

T = 16

Therefore, the total number of tins used by the Peony will be 16.

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Answer:

13 ft

Step-by-step explanation:

we need to find the square root of 169

√169 = 13

Answer:

35x+120y=500

(35x + 120) (x + y) = 500

Step-by-step explanation:

Hope it works!

Answer:

f(-3)=4

Step-by-step explanation:

The answer is 4. To get f(-3), you must plug in -3 into the x.

Therefore, -4(-3)-8=f(-3).

Then you multiply -4 and -3. 12-8=f(-3)

Finally, you subtract 8 and get the answer:

f(-3)=4

Answer:

B=90

Step-by-step explanation:

It is a right angle

According to the given standard deviation, the probability that a sample of 10 randomly selected fish will have a mean length of over 6 inches is 0.0188 or 1.88%.

In this problem, we want to find the probability of the sample mean being greater than 6 inches. We can calculate this by standardizing the sample mean using the formula:

z = (x - μ) / (σ / √n)

Where z is the standard normal variable, x is the sample mean, μ is the population mean, σ is the population standard deviation, and n is the sample size.

Substituting the given values in the formula, we get:

z = (6 - 5) / (1.2 / √10)

z = 2.10

Now, we can use a standard normal table or calculator to find the probability of z being greater than 2.10. The probability of z being greater than 2.10 is approximately 0.0188 or 1.88%.

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Answer:

hope this helps!

\(x = 5.5\)

Bayes' Theorem states that the probability of an event A occurring, given that event B has already occurred, is equal to the probability of event B occurring given that event A has already occurred, times the probability of event A occurring, divided by the probability of event B occurring.

In this problem, we are trying to determine the probability that coin B was selected, given that the selected coin came up heads 3 times. We can use Bayes' Theorem to calculate this probability as follows: P(B|HHH) = P(HHH|B)P(B)/P(HHH)

where:

We are given that the probabilities of selecting coin A and coin B are P(A) = 0.1 and P(B) = 0.9. We are also given that the probabilities of getting heads on coin A and coin B are P(H|A) = 0.6 and P(H|B) = 0.2.

The probability that the selected coin came up heads 3 times, given that coin B was selected, is P(HHH|B) = (0.2)^3 = 0.008. The probability that the selected coin came up heads 3 times, regardless of which coin was selected, is P(HHH) = P(HHH|A)P(A) + P(HHH|B)P(B) = (0.6)^3(0.1) + (0.2)^3(0.9) = 0.0216.

Plugging in these values into Bayes' Theorem, we get:

P(B|HHH) = (0.2)^3(0.9)/(0.008 + 0.0216) = 0.0072/0.0288 = 0.25

Therefore, the probability that coin B was selected, given that the selected coin came up heads 3 times, is approximately 0.25.

Bayes' Theorem is a powerful tool for calculating the probability of an event occurring, given that another event has already occurred. It is used in a wide variety of applications, including medical diagnosis, fraud detection, and weather forecasting.

In this problem, we used Bayes' Theorem to calculate the probability that coin B was selected, given that the selected coin came up heads 3 times. We were able to do this by calculating the probability of each event occurring, and then using Bayes' Theorem to combine these probabilities.

The result of our calculation was that the probability that coin B was selected, given that the selected coin came up heads 3 times, is approximately 0.25. This means that if we see a coin that has come up heads 3 times, we are approximately 25% likely to be looking at coin B.

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Answer: The answer is b !

Image attached should help

The line of best fit is:

y = 3.1x + 12.9

Option A is the correct answer.

We have,

The line of best fit can be expressed in the form of y = ax + b,

where a is the slope of the line and b is the y-intercept.

From the given LinReg results, we have:

a = 3.1

b = 12.9

Substituting a and b in the equation y = ax + b we get,

The line of best fit is:

y = 3.1x + 12.9

Thus,

The line of best fit is:

y = 3.1x + 12.9

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Answer:

The rate of the increasing volume is 50000\(\pi \frac{mm^{3}}{s}\)  

Step-by-step explanation:

The rate of the increasing volume can be calculated as follows

The formula to calculate the volume V of a sphere is

\(V=\frac{4}{3} \pi r^{3}\)

Where r is the radius

It is given that the radius is increasing at 5 mm/s, then it follows that

\(\frac{dr}{dt} =5\frac{mm}{s}\)

Since volume V is a function of radius  r, and radius  r is the function of time t, then the chain rule formula to find derivatives is introduced here

\(\frac{dV}{dt}=\frac{dV}{dr}\cdot \frac{dr}{dt}\)

The first step is to find \(\frac{dV}{dr}\)

\(V=\frac{4}{3} \pi r^{3}\)

By the formula of  \(\frac{d}{dx} (x^{n})=nx^{n-1}\), then for \(V=\frac{4}{3} \pi r^{3}\)

\(\frac{dV}{dr}=3\cdot \frac{4}{3} \pi r^{3-1}\)

\(\frac{dV}{dr}=4 \pi r^{2}\)

The second step is to find \(\frac{dV}{dt}\)

\(\frac{dV}{dt}=\frac{dV}{dr}\cdot \frac{dr}{dt}\)

Substitute \(4 \pi r^{2}\)  for  \(\frac{dV}{dr}\) , \(5\frac{mm}{s}\)  for  \(\frac{dr}{dt}\)

\(\frac{dV}{dt}=4 \pi r^{2}\cdot 5 \frac{mm}{s}\)

For the given radius rate, the formula of the increasing volume is

\(\frac{dV}{dt}=4 \pi r^{2}\cdot 5 \frac{mm}{s}\)

Since the given diameter of the sphere is 100 mm, then the radius of the sphere is

radius = \(\frac{diameter}{2}\)

radius = \(\frac{100~\text{mm}}{2}\)

radius = 50 mm

The third step is to find the rate of increasing volume of the given sphere

Substitute 50 for r, then it follows that

\(\frac{dV}{dt}=4 \pi (50~\text{mm})^{2}\cdot 5 \frac{mm}{s}\)

\(\frac{dV}{dt}=4 \pi ~2500~\text{mm}^{2}\cdot 5 \frac{mm}{s}\)

\(\frac{dV}{dt}=50000 \pi \cdot \frac{mm^{3}}{s}\)

Hence the rate of increasing volume of the given sphere is \(50000 \pi \cdot \frac{mm^{3}}{s}\)

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Answer:

15 feet and 9 inches

Step-by-step explanation:

9 feet and 5 inches + 6 feet and 4 inches = 15 feet and 9 inches

Answer:  

Slope-int form: y = mx + b

x/10 + y/1000 = 1

y/1000 = -x/10 + 1

y = 1000(-x/10 + 1)

y = -100x + 1000

Step-by-step explanation:

Two conclusions that the researcher can make from the coefficient of determination of 0.542 are:

b.) About 54% of the variation in distance that the driver can see is explained by a linear relationship with the driver's age.

e.) About 46% of the variation in distance that the driver can see is not explained by the linear relationship with the driver's age, and may be due to other factors.

Option a is incorrect because the question does not provide the correlation coefficient. Option c is incorrect because the coefficient of determination does not provide information about the variation in the driver's age. Option d is also incorrect because the provided value does not match with any possible correlation coefficient for this situation.

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Answer: n = -56

Step-by-step explanation:

first, we multiply both sides by 7, un order to get the variable by itself. this is the important step.

-56 = n

then, we just simply swap the sides in order to get the variable on the left. (not necessary, just looks like a proper equation that way.)

n = -56

work:

-8 = n/7

x7    x7

-56 = n

n = -56

The cost per pound is less in the first one. Hence price -wise, the first deal is better.

The pound or pound-mass is the unit of mass used in common British, Imperial and American measurement systems. Various definitions are used; the most common today is the international pound, legally defined as 0.45359237 kilograms, divided into 16 pound ounces. The international standard symbol for the avoirdupois pound is lb; another symbol is lbm.

The kilogram  is a unit of mass in the International System of Units (SI) with the unit symbol kg. It is a unit of measurement widely used in science, engineering, and business around the world and is often abbreviated colloquially as kilogram. It means "kilogram".

kilograms are defined in terms of seconds and meters, both based on fundamental physical constants. This allows properly equipped metrology laboratories to calibrate mass-measuring instruments, such as Kibble balances, as the primary standard for determining exact masses in kilograms.

Given that:

1 pound of apples = 2.15

3 Pound of apple = 5.76.

From this we can say that the 3 pound of apple is a better deal than the first one.

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Answer:

-9

Step-by-step explanation:

y = -9x - 13

y = mx + b

m is slope

Answer:

A) (0)

Step-by-step explanation:

-5x-6x = 1-1

-11x =0

x= 0/-11

x=0

The Poisson distribution is applied to events where the probability of occurrence of a certain number of events in a fixed interval of time, space, or distance is small but not necessarily "very small". False.

The Poisson distribution is used to model events that occur randomly and independently over a continuous or discrete interval of time, space, or distance, such as the number of phone calls received at a call center in an hour, the number of cars passing through a toll booth in a given time period, or the number of emails received per day. The Poisson distribution is characterized by a discrete probability mass function that describes the probability of a certain number of events occurring in a given interval, and it is widely used in probability theory and statistics for modeling events with low to moderate occurrence rates.

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The poisson distribution is applied to events for which the probability of occurrence over a given span of time, space, or distance is very small.

Given statement is False.

Because, The Poisson distribution is applied to events for which the probability of occurrence over a given span of time, space, or distance is not necessarily very small, but rather where the events occur randomly and independently at a constant average rate.

The Poisson distribution models the number of events that occur in a fixed time interval or within a certain area or volume of space, assuming that the events occur independently of each other and at a constant average rate. It is used in many fields, such as biology, physics, economics, and engineering, to model the occurrence of rare or common events.

The Poisson distribution has several important properties, including:

Its mean is equal to λ, and its variance is also equal to λ.

It is a discrete distribution, meaning that it models only whole numbers of events.

It is often used to model rare or unusual events, but can also be used for events that occur frequently, as long as they occur independently at a constant average rate.

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Answer:

 x<15

Step-by-step explanation:

Step 1: Simplify both sides of the inequality.

3x+5<50

Step 2: Subtract 5 from both sides.

3x+5−5<50−5

3x<45

Step 3: Divide both sides by 3.

3x /3  <  45 /3

Answer:

B

Step-by-step explanation:

285 × .30 = 85.50

285 - 85.50 = 199.50