what is the anwser
-4+3(x+4)=-4+5x

Answer:

its 1,2,4,5

Step-by-step explanation:

Answer:

A, B, D, E

Step-by-step explanation:

Arc PQ is congruent to arc SR. TRUE

The measure of arc QR is 150°. TRUE

The circumference of circle C is 20π cm. FALSE

Arc PS measures about 13.1 cm. TRUE

Arc QS measures about 15.7 cm. TRUE

Given:

The number of times coin flipped is N = 60.

The number of heads is n(H) = 42.

The number of tails is n(T) = 18.

The objective is to find the theoretical probability of coin landing heads up.

Explanation:

The general probability of coin landing heads is,

On plugging the given values in equation (1),

To obtain the percentage of probability,

Hence, the probability of the coin landing heads up is 70%.

Answer:

(2, –3) is a solution to the system of linear equations.

Step-by-step explanation:

Given: Equations:

3x - y = 9 --------(1),

4x + y = 5 --------(2),

Add Equation (1) + Equation (2),

3x + 4x = 9 + 5

7x = 14  ( Combine like terms )

x = 2   ( Divide both sides by 7 ),

From equation 1:

3(2) - y = 9

6 - y = 9

-y = 9 - 6    ( Subtraction 6 on both sides )

-y = 3

y = - 3     ( Multiplying -1 on both sides )

An article appearing in a certain journal included the following acrylamide content for five brands of biscuits. 344 , 294, 333, 276, 248. The mean acrylamide level (in nanograms/gram) is 299.

In statistics, the mean is a measure of central tendency that represents the sum of all values in a dataset divided by the total number of values. It is commonly referred to as the average.

To calculate the mean, all the data values are added together, and then this sum is divided by the number of data points in the dataset. The formula for calculating the mean is:

mean = (sum of values) / (number of values)

To calculate the mean acrylamide level, we need to add up all the acrylamide levels for the five brands of biscuits and divide the sum by the total number of brands.

Sum of acrylamide levels = 344 + 294 + 333 + 276 + 248 = 1495

Total number of brands = 5

Mean acrylamide level = (Sum of acrylamide levels) / (Total number of brands) = 1495 / 5 = 299

Therefore, the mean acrylamide level is 299 nanograms/gram.

To learn more about mean click on,

https://brainly.com/question/30112112

#SPJ4

The main condition for a setting to be considered binomial is that the probability of success remains the same for each trial, and the other conditions include having 3 possible outcomes for each observation, no variation in outcomes based on the first success, and independence of trials from one another.

A condition for a setting to be considered binomial is that the probability of success is the same for each trial.

In order for a setting to be considered binomial, there are certain conditions that need to be met. The first condition is that the probability of success remains constant for each trial or observation. This means that the likelihood of achieving the desired outcome remains unchanged throughout the entire process.

The second condition states that each observation or trial must have exactly 3 possible outcomes. This implies that there are only three options or choices for each trial, typically categorized as success, failure, or a neutral outcome.

The third condition is that the number of outcomes should not vary based on the occurrence of the first success. This means that the probability of success is not affected or altered by the outcome of previous trials.

Lastly, the fourth condition is that the trials or observations must be independent of one another. This implies that the outcome of one trial should not impact the outcome of subsequent trials.

Therefore, the main condition for a setting to be considered binomial is that the probability of success remains the same for each trial, and the other conditions include having 3 possible outcomes for each observation, no variation in outcomes based on the first success, and independence of trials from one another.

To learn more about probability here:

https://brainly.com/question/30034780#

#SPJ11

cos 40°=AC : AB

AC = AB cos 40°

AC = 4 x cos 40°

AC = 3.064 = 3.1

Analysis in the picture hope its helps

ANSWER :

AC = 3.06

Using the provided table as a foundation, the sample median is a fair approximation. The reason is that the sample median is not biassed towards any one value because 50% of the sample medians are 17 or higher and 50% are lower.

A procedure or function called an estimator is used to estimate a specific quantity using data from observations.

The estimator generates an estimate as a result of using the observed data as input. If the expected value of an estimator matches the actual value of the parameter being estimated, the estimator is said to be impartial.

To put it another way, an estimator is impartial if it generates parameter estimates that are generally accurate. The estimator is considered to be biassed if the expected value of the estimator differs from the parameter's true value.

Thus, the anticipated discrepancy between an estimator and the true parameter is known as bias.

For more details regarding median, visit:

https://brainly.com/question/11237736

#SPJ1

a. The adjusting entry to record the Bad Debt Expense for 20Y5 would be:

b. The adjusted balance of the Allowance for Doubtful Accounts at year-end would be $46,700.

a. To prepare the adjusting entry to record the Bad Debt Expense for 20Y5, assuming that 1/2% of credit sales will be uncollectible, we can calculate the amount as follows:

Bad Debt Expense = Credit Sales * (1/2%) = $8,900,000 * (1/2%) = $8,900,000 * 0.005 = $44,500

Therefore, the adjusting entry to record the Bad Debt Expense for 20Y5 would be:

Bad Debt Expense $44,500

Allowance for Doubtful Accounts $44,500

b. To determine the adjusted balance of the Allowance for Doubtful Accounts at year-end, we need to consider the initial balance of $2,200 and the Bad Debt Expense recorded in the adjusting entry.

Adjusted Balance of Allowance for Doubtful Accounts = Initial Balance + Bad Debt Expense

= $2,200 + $44,500

= $46,700

Therefore, the adjusted balance of the Allowance for Doubtful Accounts at year-end would be $46,700.

Your question is incomplete but most probably your full question was attached below

Learn more about Doubtful Accounts here: brainly.com/question/15992286

#SPJ11

Answer:

Time to sleep bro

Step-by-step explanation:

have sweet dreams

Answer:

(x - 8)² = 38

Step-by-step explanation:

Given

x² - 16x + 26 = 0 ( subtract 26 from both sides )

x² - 16x = - 26

Using the method of completing the square

add ( half the coefficient of the x- term )² to both sides

x² + 2(- 8)x + 64 = - 26 + 64

(x - 8)² = 38 ← as required

Answer: is it -3,11

Step-by-step explanation:

Answer:

\(9\frac{57}{63}\)

Step-by-step explanation:

First, we need to turn them into improper fractions:

\(2\frac{4}{7}\) + \(7\frac{3}{9}\)

7 x 2 + 4

7 x 9 + 3

\(\frac{18}{7}\) + \(\frac{66}{9}\)

Next, we need to find a common multiple of both 7 and 9

7, 14, 21, 28, 35, 42, 49, 56, 63

9, 18, 27, 36, 45, 54, 63

So the denomonator turns into 63.

We've multiplied the denomonater 9 times for the first fraction and 7 times for the second fraction, we therefore have to do the same to the numerator.

18 x 9 = 162

66 x 7 = 462

\(\frac{162}{63}\) + \(\frac{462}{63}\) = \(\frac{624}{63}\)

Next, we have to turn it back into a mixed number.

To work it out: 624 / 63 = 9 (1 s.f) <--- Mixed number.

9 x 63 = 567

624 - 567 = 57 (Working out the remainder.)

Combining them, the answer is therefore \(9\frac{57}{63}\)

Hope this helps and have a good day!

Answer:

52.93

Step-by-step explanation:

The tip of the second hand of the clock moves a distance as far as 5.2 inches in 10 seconds.

The distance traveled by the tip of the second hand on a clock can be calculated by using the formula for circumference of a circle, which is:

C = 2πr

where C is the circumference, π is approximately equal to 3.14159, and r is the radius.

If the length of the second hand is 5 inches, then the radius of the circle is 5 inches.

Therefore, the circumference of the circle traced by the tip of the second hand is C = 2πr = 2π(5 inches) = 10π = 31.4159

If we assume that the second hand moves at a constant speed, then the distance traveled by the tip in 10 seconds is equal to the circumference of the circle multiplied by the fraction of the circumference covered in 10 seconds.

Since the second hand completes one full revolution in 60 seconds, then in 10 seconds it covers 1/6 of the circumference. Therefore, the distance traveled by the tip in 10 seconds is:

1/6 C = 1/6(31.4159 inches) = 5.23598 inches

Round off to the nearest tenth of an inch.

5.23598 inches = 5.2 inches

Learn more about circumference of a circle here: https://brainly.com/question/12823137

#SPJ4

Answer: did you make that up ??

Step-by-step explanation:

Answer:

A. Alternate interior

B. Transitive property

C. Converse alternate interior angles theorem.

Answer:

4n + 6p + 3

Step-by-step explanation:

3n + 6p + 3+n​

In this equation, 3n + n are like terms. Adding 3n + n together gives 4n

4n + 6p + 3

The particular solution passing through the point (1, -3) is y(x) = 108x6 + 12.

Given equation is (−6x6+3y)+(3x−3y4)y′=0

Let's determine whether the given equation is exact or not.

To check whether the given differential equation is exact or not, we can check whether the following conditions are satisfied or not. If M(x, y)dx + N(x, y)dy = 0 is an exact differential equation, then it must satisfy the following conditions:

Then the general solution of the differential equation is given by Ψ(x, y) = c; where c is the arbitrary constant. The particular solution passing through the point (1,-3) is y(x) = c.The given equation is an exact differential equation because my(x, y) and Nx(x, y) are equal.

Here my(x, y) = 3 and Nx(x, y) = 3

Therefore, Ψ(x, y) = -6x6y + 3y2 + C

Thus, the general solution of the differential equation is Ψ(x, y) = -6x6y + 3y2 + C.

The particular solution passing through the point (1, -3) is

y(x)

= -6x6(-3) + 3(-3)2 + C

= 108x6 + 9 + C

Therefore, the particular solution passing through the point (1, -3) is y(x) = 108x6 + 12.

Learn more about differential equation here:

https://brainly.com/question/1164377

#SPJ11

Thus, the specific arrangement passing through the point (1, -3) is given by:

Ψ(x, y) = (193/5) + C, where C is decided by the starting equation or extra data.

To fathom the given equation: (-6x^6 + 3y)dx + (3x - 3y^4)dy =

To begin with, we ought to check in case the equation is correct by confirming on the off chance that the halfway subordinates of M with regard to y and N with regard to x are rise to:

∂M/∂y = 3

∂N/∂x = 3

Since ∂M/∂y = ∂N/∂x, the equation is exact.

To discover the common arrangement, we have to be coordinated the function M(x, y) with regard to x and the work N(x, y) with regard to y, whereas including an arbitrary function F(y) of one variable:

∫(-6x^6 + 3y)dx = -x^7 + 3xy + F(y) = Ψ(x, y)

Presently, we separate the expression for Ψ(x, y) with regard to y and liken it to the function N(x, y):

∂Ψ/∂y = ∂/∂y (-x^7 + 3xy + F(y))

= 3x + F'(y)

Since this must be break even with to (3x - 3y^4), we have F'(y) = -3y^4.

Joining F'(y) with regard to y, we discover F(y) = -y^5/5 + C, where C could be a steady of integration.

Hence, the common arrangement is:

Ψ(x, y) = -x^7 + 3xy - y^5/5 + C

To discover the specific arrangement passing through the point (1, -3), we substitute the values into the common arrangement:

Ψ(1, -3) = -(1)^7 + 3(1)(-3) - (-3)^5/5 + C

= -1 - 9 + 243/5 + C

= -10 + 243/5 + C

= (193/5) + C

Thus, the specific arrangement passing through the point (1, -3) is given by:

Ψ(x, y) = (193/5) + C, where C is decided by the starting equation or extra data.

Learn more about equation below.

https://brainly.com/question/22688504

#spj4

The one mean z test can be used for a sample of moderate size (between 15 and 30) when the population standard deviation is known and the population distribution is approximately normal or the sample size is sufficiently large (n ≥ 30).

When to use the one mean z-test for a sample of moderate size (between 15 and 30).
The one mean z-test is used to compare the sample mean to a known population mean when the population standard deviation is known.

we can use this test for a sample of moderate size (between 15 and 30) under the following conditions:
The population is normally distributed, or the sample size is large enough (usually greater than 30) for the Central Limit Theorem to apply.

However, since your sample size is between 15 and 30, it is crucial that the population is normally distributed.
The population standard deviation is known.

This is essential for calculating the z-score.
The sample is random and independent, meaning each observation in the sample is unrelated to the others.
If these conditions are met, we can use the one mean z-test for a sample of moderate size (between 15 and 30) to test hypotheses about the population mean.

The test will allow you to determine if there is a significant difference between the sample mean and the known population mean.

For similar question on standard deviation.

https://brainly.com/question/29800829

#SPJ11

The answer is 1/2 CB , because CB is the segment parallel to RS. And since the midpoints are joined it must be half

     Amount of water contained in the cone shaped large cup will be given by Option (B). 14 oz

        V = \(\frac{1}{3}\pi(r)^2h\)

       Here, r = radius of the circular base of the cone

                 h = Height of the cone

Let the height of the small cone = h cm

And the radius of the small cone = r cm

Therefore, volume of the small cone = \(\frac{1}{3}\pi(r)^2h\)

Radius of the large cone = \((\frac{4}{3}r)\) = \(\frac{4}{3}r\)

Height of the large cone = \(\frac{4}{3}h\)

Volume of the large cone = \(\frac{1}{3}(\pi)(\frac{4}{3}r )^2(\frac{4}{3} h)\)

                                           = \(\frac{1}{3}(\pi )(\frac{16}{9}r^2 )(\frac{4}{3}h )\)

                                           = \(\frac{1}{3}(\frac{64}{27})(\pi r^2h)\)

                                           = \((\frac{64}{27})(\frac{1}{3} \pi r^2h)\)

                                           = (64/27)×(Volume of the small cone)

Since, volume of the small cone = amount of water in the cuo

                                                      = 6 oz

Therefore, amount of water contained in large cone = \(\frac{64}{27}\times 6\)

                                                                                        = 14.22 oz

                                                                                        ≈ 14 oz

    Hence water in the large cone will be Option (2). 14 oz

Learn more about the volume of a cone here,

https://brainly.com/question/14933149?referrer=searchResults

When the radius is 146 mm, the radius of the wetted area is expanding at a rate of approximately 0.0109 mm/s.

To find how fast the radius is expanding, we can use the given rate of the area expansion and relate it to the radius using the area formula for a circle, A = πr².

Given: dA/dt = 10 mm²/s

We want to find: dr/dt (when r = 146 mm)

First, differentiate the area formula with respect to time t:
dA/dt = d(πr²)/dt
dA/dt = 2πr * dr/dt

Now, plug in the given values:
10 = 2π(146) * dr/dt

Next, solve for dr/dt:
dr/dt = 10 / (2π * 146)

Finally, calculate the value:
dr/dt ≈ 0.0109 mm/s

So, when the radius is 146 mm, the radius of the wetted area is expanding at a rate of approximately 0.0109 mm/s.

To learn more about radius, refer below:

https://brainly.com/question/13449316

#SPJ11

According to Chebyshev's theorem, at least 69 percent of any set of observations will be within 1.8 standard deviations of the mean.

Standard deviations of the mean = 1.8 s

According to Chebyshev's theorem at least (1 - 1/k^2)×100% observations will lie within k standard deviation from the mean.

The proportion of observations that will be within 1.8 standard deviations of the mean = (1 - 1/(1.8)^2)×100%

The proportion of observations that will be within 1.8 standard deviations of the mean = (1 - 1/3.24)×100%

The proportion of observations that will be within 1.8 standard deviations of the mean = (1 - 0.31)×100%

The proportion of observations that will be within 1.8 standard deviations of the mean = 0.69 × 100%

The proportion of observations that will be within 1.8 standard deviations of the mean = 69%

To learn more about Chebyshev's theorem link is here

brainly.com/question/28480556

#SPJ4

The graphs of the functions f(x) = 3e^(2x) and g(x) = 6x^3 have parallel tangent lines when their derivatives are equal. By taking the derivatives of f(x) and g(x) and setting them equal to each other, we can solve for the value of x at which this occurs.

To find the derivative of f(x), we apply the chain rule. The derivative of e⁽²ˣ⁾is 2e⁽²ˣ⁾, and multiplying it by the constant 3 gives us the derivative of f(x) as 6e⁽²ˣ⁾. For g(x), the derivative is obtained by applying the power rule, resulting in g'(x) = 18x².

To find the value of x at which the tangent lines are parallel, we equate the derivatives: 6e⁽²ˣ⁾ = 18x². Simplifying this equation, we divide both sides by 6 to obtain e⁽²ˣ⁾ = 3x². Taking the natural logarithm (ln) of both sides, we have 2x = ln(3x²).

Further simplifying, we get 2x = ln(3) + 2ln(x). Rearranging the terms, we have 2ln(x) - 2x = ln(3). This equation does not have a straightforward algebraic solution, so we would typically use numerical or graphical methods to approximate the value of x.

Learn more about Derivative:

brainly.com/question/29144258

#SPJ11

Answer:

h = 15 ft

Step-by-step explanation:

the line from the vertex to the base is a perpendicular bisector.

then the radius r = 16 ÷ 2 = 8

using Pythagoras' identity in the right triangle formed

with hypotenuse = 17 and legs h and 8 , then

h² + 8² = 17²

h² + 64 = 289 ( subtract 64 from both sides )

h² = 225 ( take square root of both sides )

h = \(\sqrt{225}\) = 15

Given the length and the expression that represents the width of a rectangle, you need to remember that:

• The area of a rectangle can be calculated by multiplying its dimensions:

Where "l" is the length and "w" is the width.

• The perimeter of a rectangle is:

Where "l" is the length and "w" is the width.

Then, knowing that:

- You can set up that the area of this rectangle is:

Simplifying, you get:

- And the perimeter is:

Hence, the answer is:

- The area is:

- The perimeter is:

If the Pascal's triangle row entries are 1,n,...,n,1 and the average is 2048 , then the value of n is  15  .

Let the number of entries in the row is = n + 1  .

Since the average of the entries is 2048,

So , the sum of the entries is = 2048 × (n + 1).

We know that the sum of the entries in a row of Pascal's Triangle is equal to 2ⁿ, so we have the equation as :

⇒ 2048 × (n + 1) = 2ⁿ ;

On simplifying ,

we get ;

⇒ n = -0.99975 and n = 15 .

Since the "n" cannot be in negative .So , n = 15   .

Therefore , the value of n is the  pascal's triangle is 15 .

The given question is incomplete , the complete question is

The entries in a certain row of Pascal's Triangle are 1,n,...,n,1 the average of the entries in this row is 2048. find  n  .

Learn more about Pascal's Triangle here

https://brainly.com/question/29256451

#SPJ4

Functions are used to represent equations and graphs

The function is given as:

\(f(x) = -16x^2 + 200x\)

Differentiate the function

\(f'(x) = -32x + 200\)

Set to 0

\(-32x + 200 =0\)

So, we have:

\(-32x =-200\)

Solve for x

\(x =6.25\)

Calculate f(6.25)

\(f(x) = -16x^2 + 200x\)

\(f(6.25) = -16 * 6.25^2 + 200 * 6.25\)

\(f(6.25) = 625\)

The above means that, the superhero reached a height of 625 feet.

625 is greater than 612.

Hence, the superhero will be able to leap over the building

The function is given as:

\(f(x) = -0.03x^2 + 2.4x\)

Differentiate

\(f'(x) = -0.06x + 2.4\)

Set to 0

\(-0.06x + 2.4 = 0\)

Subtract 2.4 from both sides

\(-0.06x = -2.4\)

Solve for x

\(x = 40\)

Calculate f(40)

\(f(x) = -0.03x^2 + 2.4x\)

\(f(40) = -0.03*40^2 + 2.4*40\)

\(f(40) = 48\)

This means that, the support should be placed 48 feet from the edge

In (14), the maximum height is 48 feet.

Joe's height (70 feet) is greater than 48.

This means that, Joe will not be able to stand up in the igloo

In (14), the midpoint is 40 feet.

This means that the length of the igloo is 80 feet (i.e. 2 * 40 feet)

Joe's height (70 feet) is less than 80.

This means that, Joe will be able to lay down in the igloo

Read more about quadratic functions at:

https://brainly.com/question/8952707

Answer:

add to elimanate y.

Step-by-step explanation:

Answer: n= 5

Step-by-step explanation: