SOMEONE HELP pslslspsls

Answer:

The answer is 10/45-9/45•x

Given the angle bisector, the statements and reasons for the proof are explained.

A bisector splits a given line or angle into two equal parts. A straight line is said to be an angle bisector if it divides a given angle into two equal measures. Such that on comparison, the sum of the angles formed is equal to the measure of the bisected angle.

The statements and reasons for the proof are given below;

      STATEMENT                                                    REASONS

1. MK bisects <HKO and <HMO                           Given

2. m<HMK = m<OMK and m<HKM = m<OKM    Definition of angle bisector

3. HK ≅ KO, and HM ≅ OM                                 Congruent side property

4. ΔHMK ≅ ΔOMK                                               Angle-Angle-Side theorem

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Answer:-7/31

Step-by-step explanation:

Answer:

the price with the offer is going to be 1.59$

Step-by-step explanation:

\( \frac{x}{5.30} = \frac{70}{100} \)

\(100(x) = 70(5.30)\)

\(100(x) = 371\)

\( \frac{100(x)}{100} = \frac{371}{100} \)

\(x = 3.71\)

\(70\% \: \: \: of \: \: \: 5.30 \: \: \: is \: \: \: 3.71\)

\(5.30 - 3.71 = 1.59\)

Answer:

Step-by-step explanation:

12$ = original price (need to add 67% mark up)

12/100 = 0.12 = 1%

0.12 x 67 = $8.04 markup

12 + 8.04 = $20.04 is the correct selling price

the error was accidently not adding the markup ($8.04) to the original price

Answer:

Mean: 7

Median: 8

Range: 9

Mode: 3

Step-by-step explanation:

First, to find the mean of a set of numbers you need to add up all of the numbers and divide that by the total amount of numbers. In this case that makes this equation, \(\frac{3+3+4+8+9+10+12}{7}\), which is \(\frac{49}{7}\), which is 7.

To find a median you need to find the middle number. A handy trick I use for this is to place my fingers on the first and last number, and then move them towards the middle, at the same time by one number until there is just one number left in the middle. If there are no numbers left after doing this, meaning there are an even amount of numbers given, the median is the mean of the last two numbers that were covered. In this case, this is not necessary, so the median is 8.

The range is the difference between the maximum and minimum of a data set. In this case that would give you the equation Range=12-3, which means the range is 9.

Finally, the mode is the number that occurs the most in a given data set. In this case the number that occurs the most is 3, which occurs twice compared to every other number which only occurs once.

Hey there!

‘‘Find the mean median range and mode for 3, 3, 4, 8, 9, 10, and 12’’

• Mean is known as your AVERAGE number. You have to ADD all of your NUMBERS the DIVIDE it by the TOTAL numbers in your given set

• We have the total of SEVEN numbers in your set

“3 + 3 + 4 + 8 + 9 + 10 + 12 / 7”

6 + 4 + 8 + 9 + 10 + 12/7

10 + 8 + 9 + 10 + 12/7

18 + 9 + 10 + 12/7

27 + 10 + 12/

37 + 12/7

49/7 = 7

Answer: Mean = 7 ✔️

• Median is the number you see in the center (the middle) of the problem. You can solve for this by putting your numbers from least to greatest

• If you have an ODD number in your given set then your middle number will be the single number)

• If you have an EVEN number then you have to average your TWO middle number

“ 3, 3, 4, 8, 9, 10, 12”

• you still have 3 on both sides of your 8 (3 is an ODD number, so we have to let it be be a single number)

Answer: mean = 8 ✔️

• Mode is your number than you see repeated OR more than once

• We “3” repeated so it is your Mode

Answer: Mode = 3 ✔️

Answers ⬇️

• Mean: 7 ☑️

• Median: 8 ☑️

• Mode: 3 ☑️

Good luck on your assignment and enjoy your day!

~LoveYourselfFirst:)

The division yields 1/14 for the complex fraction.

Division is one of the four basic operations of arithmetic, along with addition, subtraction, and multiplication. It is an inverse operation to multiplication, meaning that dividing by a number is the same as multiplying by its reciprocal. Division can be thought of as the process of finding how many times a number (the divisor) can fit into another number (the dividend). The result of the division is called the quotient. In some cases, the division may result in a fractional number, representing a partial division. In this case, the result is a rational number, which is a type of real number. Division can also be represented using long division, a method used to divide large numbers or polynomials. It involves dividing the dividend by the divisor one digit at a time, until the division is complete.

Here,

=22/44/7

=22/44*1/7

=1/14

The answer for the complex fraction is 1/14 by the division.

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The situation that matches the information in the graph is a boy rides a bicycle on flat ground and goes quickly down a large hill (option A).

The graph shows how the movement of a body changes over time. In general, it can be observed the movement is first linear as in moving on a flat surface, then the body goes down, then it goes up, and finally, the movement is linear again.

Based on this, it can be concluded that the option that describes the graph is a boy rides a bicycle on a flat group, then he goes down a large hill and finally he drives on flat ground again (option A).

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Considering the images (a),(b),(c),(d),(e),(f) the oriented path is

(a) Negative

(b) Positive

(c) Positive

(d) Zero

(e) Zero

(f) Zero

calculating each quadrant's line integral and symmetry.

In calculus, a line integral is an integral where the function being evaluated is along a curve. A line integral is also known as a route integral, curve integral, or curvilinear integral.

What does a Line integral mean?

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Answer:

(Assuming they are both right triangles)

214.5 sq ft

Step-by-step explanation:

Area of a right triangle= leg×leg / 2

25×25 / 2 = 312.5

14×14 / 2 = 98

312.5-98= 214.5

Answer:

2 feet away from the building

Step-by-step explanation:

Hope this helps!

The next step to find the y intercepts is the substitute the value of m2 and coordinate of point P in the equation of the line intercepts from equation y= mx + b and then solve for b in each equation.

Bernie wants to write equations in the form of y=mx+b where m stands for slope. The line passing through the point P and that is perpendicular to the s and parallel to the line r.

we are aware that if two lines are parallel then the slopes are equal.

So, m1=m2

and if two lines are perpendicular then product of slopes equal to -1

m1×m2=-1

the y intercepts are the point of intersection between the straight line.

y = mx +b and the y axis. The y intercepts value of y when x=0.

The next step to find the y intercepts is the substitute the value of m2 and the coordinate of point P in the equation of the line intercept from equation y=mx +b and then solve for b in each equation.

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No, Billy will not be able to reach the border before the cops arrive in 9 minutes.

To determine whether Billy can reach the border before the cops arrive, we need to calculate the time it would take him to cover the distance of 1.9 km.

Using the formula speed = distance / time, we can rearrange the formula to solve for time. Rearranging, we have time = distance / speed.

Given that Billy's speed is 13 km/h, we can calculate the time it would take him to cover 1.9 km.

time = 1.9 km / 13 km/h = 0.146 hours

To convert hours to minutes, we multiply by 60:

0.146 hours * 60 minutes/hour = 8.76 minutes

Therefore, it would take Billy approximately 8.76 minutes to reach the border. Since the cops are expected to arrive in 9 minutes, he would not be able to make it before they arrive.

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To find the value of V*(s'), The Bellman equation relates the Q*(s, a) values to the state-value function V*(s) by taking the maximum Q-value over all possible actions. Given the Q*(s, a) values and the transition information:

V*(s') = max(Q*(s', a)) for all actions a

In this case, the Q* values for state s are:

Q*(s, \(a_{1}\)) = 10

Q*(s, \(a_{2}\)) = -1

Q*(s, \(a_3}\)) = 0

Q*(s, \(a_{4}\)) = 11

Since s' can be reached from s by taking action a1, we consider the Q* values for state s' and select the maximum value:

V*(s') = max(Q*(s', \(a_{1}\)), Q*(s', \(a_{2}\)), Q*(s', \(a_{3}\)), Q*(s',\(a_{4}\) )

Substituting the given Q* values for s', we have:

V*(s') = max(Q*(s', \(a_{1}\)), Q*(s', \(a_{2}\)), Q*(s', \(a_{3}\)), Q*(s', \(a_{4}\))

         = max(10, -1, 0, 11)

         = 11

Therefore, the value of V*(s') is 11.

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Answer: None

Step-by-step explanation: 2÷8=4 ruling out A

Unless You keep dividing by 2 over and over than the remainder will end as 2

7+2=9 13+2=15  ruling out B

16 is even, 18 is even, 20 is even, ruling out C

7*2=14 Ruling out D

The probability of getting a blue marble and coin tails up is 540 / 2500.

Given that, Victoria is having a bag of three colored marbles and 50 coins in a bag,

Blue marbles = 18

Green = 20

Yellow = 12

Head up Coin = 20

Tails up coins = 30

So, P(E) = favorable outcomes / total number of outcomes

P(A and B) = P(A) × P(B)

P(A) = Getting a blue marble = 18/50

P(B) = Getting a coin inn which tail is upside = 30 / 50

P(A and B) = 18/50 x 30/50 = 540/2500

Hence, the probability of getting a blue marble and coin tails up is 540 / 2500.

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This value represents the present worth below which the probability is 0.5, indicating a negative present worth.

To estimate the probability that the present worth is negative using the NORM.INV function in Excel,

we need to calculate the present worth of the project and then determine the corresponding probability using the normal distribution.

The present worth of the project can be calculated by finding the sum of the present values of the annual receipts over the 10-year period, minus the initial investment. The present value of each annual receipt can be calculated by discounting it back to the present using the minimum attractive rate of return (MARR).

Using the given information, the present value of the initial investment is $10,000. The present value of each annual receipt is calculated by dividing the expected return of $1,800 by \((1+MARR)^t\),

where t is the year. We then sum up these present values for each year.

We can use the NORM.INV function in Excel to estimate the probability of a negative present worth. The function requires the probability value, mean, and standard deviation as inputs.

Since we have a mean and standard deviation for the present worth,

we can calculate the corresponding probability of a negative present worth using NORM.INV.

This value represents the present worth below which the probability is 0.5. By using the NORM.INV function,

we can estimate the probability that the present worth is negative based on the given data and assumptions.

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Answer:

Step-by-step explanation:

Given:

Room dimensions: 18 meters by 22 meters

Carpet cost: $28.50 per square meter

Carpet roll width: 12 meters

Since the carpet roll is 12 meters wide and the room's width is 18 meters, it is more efficient to lay the carpet along the width of the room.  It will look better with one large, continuous piece that is 12 x 22, seamed to one narrow piece of 6 x 22.

Number of rolls needed = Width of room / Width of carpet roll

= 18 meters / 12 meters

= 1.5 rolls

But you can't buy 1/2 roll so, round up to 2 rolls.

Length of carpet needed = Length of room

Length of carpet = 22 meters

Total area of carpet needed = Length of carpet x Width of carpet roll x Number of rolls

= 22 meters x 12 meters x 2 rolls

= 528 m²

Cost of carpet = Total area x Cost per square meter

= 528 m² x $28.50/m²

Cost of carpet = $15,048

Therefore, the most efficient way to lay the carpet is to use 2 rolls of carpet, with one roll covering 12 m of width and the other roll covering the remaining width (6 m). This arrangement requires just 1 seam. The total cost of the carpet will be $15,048.

a) the most efficient way to lay the carpet is to have one seam along the longer side, dividing it into two 12-meter sections, and a single piece along the shorter side.

b) The carpet will cost $13,680.

a) To find the most efficient way to lay the carpet, we need to minimize the number of seams required. In this case, since the carpet comes in rolls that are 12 meters wide, we should aim to minimize the number of cuts made along the width of the room.

Since the room measures 18 meters by 22 meters, we can use the 12-meter width of the carpet to cover the shorter side (18 meters) with a single piece. This leaves us with a longer side of 22 meters.

To cover the longer side, we can use two pieces of carpet, each measuring 12 meters in width. This way, we minimize the number of seams required.

So, the most efficient way to lay the carpet is to have one seam along the longer side, dividing it into two 12-meter sections, and a single piece along the shorter side.

b) Now let's calculate the cost of the carpet for the selected configuration.

The cost of the carpet is given as $28.50 per square meter. To calculate the total cost, we need to find the total area of the carpet required.

For the shorter side (18 meters), we need a single piece of carpet with a width of 12 meters, resulting in an area of 18 meters * 12 meters = 216 square meters.

For the longer side (22 meters), we need two pieces of carpet, each with a width of 12 meters. The total width covered will be 12 meters + 12 meters = 24 meters. However, since the room is only 22 meters long, we will trim off the excess, resulting in an area of 22 meters * 12 meters = 264 square meters.

The total area of the carpet required is 216 square meters + 264 square meters = 480 square meters.

Now, we can calculate the total cost by multiplying the total area by the cost per square meter:

Total cost = 480 square meters * $28.50/square meter

Calculating the value, we find that the carpet will cost $13,680.

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Answer:

Step-by-step explanation:

A) To find an expression for the radius of the circle, we can use the formula for the area of a circle, which is:

A = πr^2

where A is the area and r is the radius. We are given that the area is:

A = 4πx^2 + 12πx + 9π

We can equate this expression with the formula for the area of a circle and solve for the radius:

4πx^2 + 12πx + 9π = πr^2

Simplifying the right-hand side:

πr^2 = π(x^2 + 3x/2 + 9/4)

πr^2 = π(x + 3/2)^2

r^2 = (x + 3/2)^2

r = ± (x + 3/2)

Since a radius can't be negative, we take the positive value:

r = x + 3/2

Therefore, an expression for the radius of the circle is r = x + 3/2.

B) For the circle to exist, the radius must be a positive number. Therefore, we require:

x + 3/2 > 0

x > -3/2

So the least possible integer value of x for the circle to exist is -1. If x is -1, then the expression for the radius becomes:

r = -1 + 3/2 = 1/2

This is a valid radius since it is positive, and so the circle exists. If x is less than -1, the radius becomes negative, which is not possible, so the circle doesn't exist. Therefore, the least possible integer value of x for the circle to exist is -1.

hope this helps.

The rectangle with the best measurements for a tree house is Rectangle C.

To determine which rectangle uses the best measurements for a tree house, we need to consider the aspect ratio and size of each rectangle.

Rectangle A:

Dimensions: 2.62' x 12.5'

Aspect ratio: 2.62/12.5 ≈ 0.2096

Size: 2.62' x 12.5' = 32.75 square feet

Rectangle B:

Dimensions: 3 m x 2 m

Aspect ratio: 3/2 = 1.5

Size: 3 m x 2 m = 6 square meters (64.58 square feet)

Rectangle C:

Dimensions: 84" x 120"

Aspect ratio: 84/120 = 0.7

Size: 84" x 120" = 7,680 square inches (53.33 square feet)

Comparing the rectangles, we can conclude that the rectangle with the best measurements for a tree house is Rectangle C.

It has a larger size compared to Rectangle A and a better aspect ratio (closer to a square shape) compared to Rectangle B.

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Answer:

its in progress so tell ur teacher.

Step-by-step explanation:

The radius of convergence, r, of the series [infinity] xn 3n − 1 n = 1 is 1/3.

The radius of convergence of the series is the maximum value of r for which the series converges.

We will use the ratio test to determine the radius of convergence of the series [infinity] xn 3n − 1 n = 1.

To use the ratio test, we need to find the limit of the ratio of successive terms.

Let's apply the ratio test:

xn₊1 / xn = 3 * ((n + 1) / n) - 1xn₊1 / xn

= 3n / n + 1

Using limit properties and L'Hopital's rule, we can find the limit of this ratio as n approaches infinity:

lim n → ∞ (xn₊1 / xn) = lim n → ∞ (3n / n + 1)lim n → ∞ (xn₊1 / xn) = lim n → ∞ (3)lim n → ∞ (xn₊1 / xn)

= 3

Since the limit of the ratio of successive terms is 3, we know that the series will converge if r < 1/3 and diverge if r > 1/3. To find the radius of convergence, we set r = 1/3:

r = 1/3

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The first law of thermodynamics is a fundamental principle in physics that states energy cannot be created or destroyed, only converted from one form to another. It can be expressed in terms of heat and work through the equation:

ΔU = q - w

where ΔU represents the change in internal energy of a system, q represents the heat added to the system, and w represents the work done on or by the system.

Now, let's address when the quantities q and w would be negative numbers.

1) When q is negative: This occurs when heat is removed from the system, indicating an energy loss. For example, when a substance is cooled, heat is extracted from it, resulting in a negative value for q.

2) When w is negative: This occurs when work is done on the system, decreasing its energy. For instance, when compressing a gas, work is done on it, leading to a negative value for w.

In both cases, the negative sign indicates a reduction in energy or the transfer of energy from the system to its surroundings.

In summary, the first law of thermodynamics can be expressed as ΔU = q - w, and q and w can be negative numbers when energy is lost from the system through the removal of heat or when work is done on the system.

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Is Jen's work correct: D. Jen's work is incorrect. She first made a mistake in Step 3.

In Mathematics and Geometry, a function f(x) is generally considered as an odd function if the following condition holds for all x-values (both positive x-values and negative x-values) in the domain of function f(x):

f(x) = -f(-x)

f(-x) = -f(x)  ⇒ symmetrical with origin.

Conversely, a function f(x) is considered as an even function if the following condition holds for all x-values (both positive x-values and negative x-values) in the domain of function f(x):

f(x) = f(-x)  ⇒ symmetrical with y-axis.

First of all, Jen should find an expression for f(-x);

\(f(-x) =\frac{1}{\sqrt[3]{-x} } \\\\f(-x) =\frac{-1}{\sqrt[3]{x} }\)

Check parity, if f(-x) is equal to f(x) or -f(x);

f(-x) ≠ f(x) ⇒ not even.

\(\frac{-1}{\sqrt[3]{x} }\) is the same as -f(x) = \(\frac{-1}{\sqrt[3]{x} }\)

In conclusion, f is an odd function because f(-x) is equivalent to -f(x).

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quadratic inequality

Answer:

3

Step-by-step explanation:

5x + 2(x-3) =5x + 2(3-x)

or，5x＋2x－6＝5x＋6－2x

or，7x－6＝3x＋6

or，4x＝12

or，×＝3

Answer:

7/50

Step-by-step explanation:

The treatment for as usual group (M = 24.32, SD = 5.19).

Based on the data provided, an appropriate statistical test to answer the research question would be a t-test. Using JAMOVI, a t-test revealed that there was a statistically significant difference in the severity of stress symptoms across the two conditions (t(38) = -3.5, p < 0.001). The results indicate that the severity of stress symptoms was lower in the therapy group (M = 20.65, SD = 5.05) than in the treatment-as-usual group (M = 24.32, SD = 5.19). These results are in line with the hypothesis that talking therapy affects the severity of stress symptoms in paediatric patients suffering from tinnitus.

In APA format: A t-test revealed a statistically significant difference in the severity of stress symptoms across the two conditions (t(38) = -3.5, p < 0.001). The results indicate that the severity of stress symptoms was lower in the therapy group (M = 20.65, SD = 5.05) than in the treatment-as-usual group (M = 24.32, SD = 5.19).

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Answer:

The cost of 10 bottles of water is $2.5.

Step-by-step explanation:

24/6=10/x

simplify 24/6 into 4,

4=10/x

x=10/4=5/2