What is the measure of LEFD?

What Is The Measure Of LEFD?

Answers

Answer 1

The measure of ∠EFD as shown in the diagram is 60.5°.

What is a tangent line?

Tangent line to a plane curve at a given point is the straight line that just touches the curve at that point.

Note: The tangent line of a circle and the radius meets at an angle of 90°

To calculate the value of ∠EFD, we use the theorem of the angle susbtends by an arc of a circle.

From the diagram,

∠EFD = ∠DAE/2 (The angle which an arc subtends at the center of a circle is twice that substends at every points of the circuference of the circle)................. Equation 1

First we need to look for ∠DAE

∠DAE = 360-(∠D+∠E+∠C)................. Equation 2

From the diagram,

∠D = ∠E = 90° (Angle formed by a tangent line and the radius of a circle)∠C = 59°

Substitute these values into equation 2

∠DAE = 360-90-90-59∠DAE = 121°

Substitute the value of ∠DAE into equation 1

∠EFD = 121/2∠EFD  = 60.5°

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Related Questions

Simplify each expression, #1: 4(f+2g) - 4g +f. #2: 5g(9m-2) + 3g

Answers

Answer:

1) 5f

2) 45gm-7g

Step-by-step explanation:

hope this helped!

Help please. I have most of the problem done.

Help please. I have most of the problem done.

Answers

The answer is y ≥ −2 − x/2 hope this helps :)

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS

PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS

Answers

Answer:

its B

Step-by-step explanation:

Answer:

y= x+75

Step-by-step explanation:

We already have 75 and add x money

what is the y-intercept of y=3x+5

Answers

Answer:

5

Step-by-step explanation:

y-intercept of y=3x+5 is 5

The y-intercept would be 5

Step by step explanation

Jane needs to fix a piece of broken siding on the side of her house. The top of the
ladder is placed is 8 feet high above the ground and the base of the ladder will be
placed 6 feet away from the house.
What is the length of the ladder? Round to the nearest whole number.

Answers

Answer:

The length of the ladder = 10 feet

Step-by-step explanation:

The ladder placed on the Wall forms a right angle triangle

Hypotenuse ² = opposite ² + adjacent ²

The top of the ladder = opposite

The base of the ladder = adjacent

The length of the ladder = hypotenuse

Opposite = 8 feet

Adjacent = 6 feet

Hypotenuse = ?

Hypotenuse ² = opposite ² + adjacent ²

= 8² + 6²

= 64 + 36

= 100

Hypotenuse ² = 100

Hypotenuse = √100

Hypotenuse = 10 feet

The length of the ladder = 10 feet

need explanation and steps

need explanation and steps

Answers

The length of the line segment AC and AG will be 6√2 units and 6√3 units, respectively.

What is a Pythagoras theorem?

The Pythagoras theorem states that the sum of two squares equals the squared of the longest side.

The Pythagoras theorem formula is given as

H² = P² + B²

AB = 6

BC = 6

CG = 6

Then the length of diagonal AC is given as,

AC² = AB² + BC²

AC² = 6² + 6²

AC = 6√2

Then the length of diagonal AG is given as,

AG² = AC² + CG²

AG² = (6√2)² + 6²

AG = 6√3

The length of the line segment AC and AG will be 6√2 units and 6√3 units, respectively.

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solve pls brainliest

solve pls brainliest

Answers

Answer:

c

Step-by-step explanation:

which expression results in an irrational number? (see image)

a) II
b) III
c) I, III, IV
d) II, III, IV

which expression results in an irrational number? (see image)a) IIb) IIIc) I, III, IVd) II, III, IV

Answers

C is the correct answer..

What is the slope of the line that passes through the points (2, -6)(2,−6) and (6, -12)(6,−12)?

Answers

Answer:

-18/-4 or 9/2

Step-by-step explanation:

what will be the contents of the priority queue, as the uniform cost search algorithm proceeds?

Answers

The contents of the priority queue in the uniform cost search algorithm will change as the search progresses and will depend on the specific problem being solved and the initial state of the search. The priority queue will contain nodes that have been visited but not yet expanded, sorted based on their path cost from the start node.

The contents of the priority queue in the uniform cost search algorithm will depend on the specific problem being solved and the initial state of the search.

In general, the uniform cost search algorithm expands the node with the lowest path cost from the start node to that node. As the search proceeds, it adds new nodes to the priority queue with their associated path costs. The priority queue is then sorted based on the path cost of each node, with the node with the lowest path cost at the front of the queue.

As the search progresses, the priority queue will contain the nodes that have been visited but not yet expanded. The order of nodes in the priority queue will depend on their path cost from the start node. The uniform cost search algorithm will continue to expand nodes from the priority queue until it reaches the goal state or until the entire search space has been explored.

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5) Alex's house (point F) lies on the same street as her school (point H). Alex's bus stop (point G) lies between her
house and her school. Given FG equals (2x) meters, GH = 1,000 meters, and FH equals 1.200 meters, what is z?
Answer:​

Answers

Answer:

100 meters

Step-by-step explanation:

Given the following :

Alex house = F

Alex school = H

Alex bus stop = G

FG = 2x meters

GH = 1000meters

FH = 1200 meters

Hence,

FH = FG + GH

1200 = (2x + 1000) meters

1200 = 2x + 1000

1200 - 1000 = 2x

200 = 2x

x = 100meters

Hence, x = 100 meters

5) Alex's house (point F) lies on the same street as her school (point H). Alex's bus stop (point G)

Refer to Table 4-1. Suppose that D2 and S1 are the prevailing demand and supply curves for a product. If the demand schedule changes from D2 to D1, then:
Price D 1 D 2 S 1 S 2
$12 5 9 19 14
$10 8 12 17 12
$8 11 15 15 10
$6 13 18 13 8
$4 16 21 11 6
$2 18 24 9 4
equilibrium price increases from $6 to $8.
equilibrium quantity increases from 13 to 18
equilibrium quantity decreases from 15 to 13.
equilibrium price decreases from $6 to $4.

Answers

The correct option is A, equilibrium price increases from $6 to $8.

What do you mean by Equilibrium?

In economics, equilibrium is a state in which the supply and demand for a product or service are balanced, resulting in a stable price. This can occur in a free market, where the price of a good or service is determined by the interaction of buyers and sellers.

Overall, equilibrium is a fundamental concept in many different fields, representing a state of balance or stability in a system or situation.

If the demand schedule changes from D2 to D1, then the demand curve shifts to the left. As a result, the new equilibrium point will be where the new demand curve (D1) intersects with the supply curve (S1).

From the table, we can see that the new equilibrium point is at a price of $8 and a quantity of 15. Therefore, the equilibrium price increases from $6 to $8, but the equilibrium quantity decreases from 15 to 13.

So the correct answer is: equilibrium price increases from $6 to $8.

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The director of a factory believes that the average time that labours spend on their cellphone calls is more than 32 minutes per working shift. A sample size of 41 is monitored and found that the average time spent on cellphone calls is 34 minutes. There is no previous record on population standard deviation. The sample standard deviation is computed and found to be s= 3.5 mins. With a significance of 0.05, test the claim for time spent on cellphone calls.

Answers

We reject the null hypothesis and conclude that there is sufficient evidence to support the claim that the average time spent on cellphone calls is more than 32 minutes per working shift in the factory.

To test the claim regarding the average time spent on cellphone calls, we can conduct a one-sample t-test.

The null hypothesis (H0) is that the average time spent on cellphone calls is 32 minutes per working shift, while the alternative hypothesis (H1) is that the average time is greater than 32 minutes.

Given a sample size of 41, a sample mean of 34 minutes, and a sample standard deviation of 3.5 minutes, we can calculate the test statistic using the formula:

t = (sample mean - population mean) / (sample standard deviation / √sample size)

t = (34 - 32) / (3.5 / √41)

t = 2 / 0.546

t ≈ 3.663

Using a significance level of 0.05 and the appropriate degrees of freedom (n - 1 = 41 - 1 = 40), we can compare the calculated t-value to the critical t-value from the t-distribution table.

If the calculated t-value is greater than the critical t-value, we reject the null hypothesis. In this case, the calculated t-value of 3.663 is greater than the critical t-value for a one-tailed test at a significance level of 0.05.

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Can I have help on this one

Can I have help on this one

Answers

Answer:

4. 40°

5.  15

6.

I hope this helps. I don't know the last one.

It costs $13 to order a cheese pizza and $2 for each extra topping. Write an equation for the function that gives the total cost y in dollars for ordering a pizza with x extra toppings.
Using the equation from question 5. Complete the table.
Extra Toppings X Total Cost (S) Y: Blank, blank, blank
3
4
5

Answers

Answer:

y = 2x + 13

Step-by-step explanation:

total cost of pizza (y) = price of cheese pizza + price ($2) of each added topping (x)

we can start by looking at y = 13 the total cost (y) of a CHEESE pizza is $13

If you want to ADD additional toppings, you pay $2 for each topping. We know how much each topping is, but we are not sure how many additional toppings we need. So x will represent how many toppings are added. We can multiply $2 times how many toppings to figure out the additional cost of the toppings.

y = 13 + 2x ; remember, function form is y=mx+b so re-write the equation as

y = 2x + 13

I am unsure why the 3, 4, and 5 are listed here, but if the problem is asking you to solve for how much your pizza will cost with 3 toppings, 4 toppings, and 5 toppings, you will need to use substitution to solve for the cost.

y = 2x + 13

y = 2(3) + 13

y = 6 + 13

y = 19

If you order a pizza with three additional toppings, your total cost will be $19.

which scenario is best researched using a sample survey

Answers

Answer:

A sample survey is best suited for researching scenarios where the researcher aims to collect data from a representative sample of the population in order to make inferences or draw conclusions about the entire population. Sample surveys are commonly used in social sciences, market research, public opinion polling, and other fields.

Here are some scenarios where a sample survey would be appropriate:

Public Opinion: To gauge public opinion on a particular issue or topic, a sample survey can be conducted to collect data from a representative sample of the population. This helps researchers understand the views, attitudes, and preferences of the larger population.

Market Research: Sample surveys are frequently employed in market research to gather data about consumer behavior, purchasing patterns, brand preferences, and market trends. By surveying a representative sample of the target market, companies can make informed decisions about product development, marketing strategies, and customer satisfaction.

Social Science Research: Sample surveys are commonly used in social science research to study various aspects of society, such as demographic characteristics, socioeconomic factors, health behaviors, educational attainment, and more. By collecting data from a sample of individuals, researchers can make generalizations about the larger population and identify trends or patterns.

Political Polling: Polling organizations conduct sample surveys to measure public opinion on political candidates, elections, and policy issues. By surveying a representative sample of voters, they can estimate election outcomes, track changes in public sentiment, and provide insights into the political landscape.

Customer Satisfaction Surveys: Sample surveys are utilized by businesses to assess customer satisfaction levels, gather feedback on products or services, and identify areas for improvement. By surveying a sample of customers, companies can understand the overall customer experience and make data-driven decisions to enhance their offerings.

In each of these scenarios, the objective is to gather data from a representative sample that can be generalized to the larger population. By using appropriate sampling techniques and survey methodologies, researchers can ensure the validity and reliability of the findings.

A high school teacher earns an average bi-weekly net pay of $1,541.65. Which compound inequality correctly shows the amount of money, m, the teacher can spend if the monthly budget for transportation is between 15% and 20%?
$501.04 ≤ m ≤ $668.05
$462.50 ≤ m ≤ $616.66
$334.02 ≤ m ≤ $501.04
$231.25 ≤ m ≤ $308.33

Answers

The compound inequality correctly shows the amount of money, m, the teacher can spend if the monthly budget for transportation is between 15% and 20% is $462.50 ≤ m ≤ $616.66

How to determine which compound inequality correctly shows the amount of money the teacher can spend?

Given:

The average bi-weekly net pay of the high school teacher is $1,541.65.

To find the monthly budget for transportation, we need to multiply this amount by 2 to get the monthly net pay and then multiply the result by the percentage of the budget for transportation, which is between 15% and 20%.

The compound inequality that correctly shows the amount of money, m, the teacher can spend on transportation is:

$1,541.65 × 2 × 0.15 ≤ m ≤ $1,541.65 × 2 × 0.20

This simplifies to:

$462.495 ≤ m ≤ $616.66

$462.50 ≤ m ≤ $616.66

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PLEASE HELP ME.What letter should appear next in the sequence? V,T,S,R

Answers

Answer:

in what sentence all i see is the letters no image above

Find y such that the slope between (2, y) and (5, -3) is 7.​

Answers

Answer:

y= -24

Step-by-step explanation:

since the slope is 7 the value of y should decrease as the value of x decreases. and since you went back 3 on the x, you should go down 21 on the y resulting in -3-21 which is -24

This question is down below. The picture attached below.
Thanks.

This question is down below. The picture attached below. Thanks.

Answers

The vendor has to sell 88 gingerbread houses to earn a profit of $665.60 and there is no chance that the vendor will earn $1500.

Given an equation showing profits of A Christmas vendor as

P=-0.1\(g^{2}\)+30g-1200.

We have to find the number of gingerbread houses that the vendor needs to sell in order to earn profit of $665.60 and $1500.

To find the number of gingerbread houses we have to put P=665.60 in the equation given which shows the profit earned by vendor.

665.60=-0.1\(g^{2}\)+30g-1200

0.1\(g^{2}\)-30g+1200+665.60=0

0.1\(g^{2}\)-30g+1865.60=0

Divide the above equation by 0.1.

\(g^{2}\)-300g+18656=0

Solving for g we get,

g=[300±\(\sqrt{(300)^{2}-4*1*18656 }\)]/2*1

g=[300±\(\sqrt{90000-74624}]/2\)

g=[300±\(\sqrt{15376}\)]/2

g=(300±124)/2

g=(300+124)/2       , g=(300-124)/2

g=424/2,  g=176/2

g=212,88

Because 212 is much greater than 88 so vendor prefers to choose selling of 88 gingerbread houses.

Put the value of P=1500 in equation P=-0.1\(g^{2}\)+30g-1200.

-0.1\(g^{2}\)+30g-1200=1500

0.1\(g^{2}\)-30g+1500+1200=0

0.1\(g^{2}\)-30g+2700=0

Dividing equation by 0.1.

\(g^{2}\)-300g+27000=0

Solving the equation for finding value of g.

g=[300±\(\sqrt{300^{2} -4*1*27000}\)]/2*1

=[300±\(\sqrt{90000-108000}] /2\)

=[300±\(\sqrt{-18000}\)]/2

Because \(\sqrt{-18000}\) comes out with an imaginary number so it cannot be solved for the number of gingerbread houses.

Hence the vendor has to sell 88 gingerbread houses to earn a profit of $665.60 and there is no chance that the vendor will earn $1500.

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Find the sum of the first 6 terms of the following series, to the nearest integer.
11, 22, 44,...

Find the sum of the first 6 terms of the following series, to the nearest integer.11, 22, 44,...

Answers

Answer:

693

Step-by-step explanation:

11, 22, 44, 88, 176, 352

11 + 22 + 44 + 88 + 176 +352 = 693

Divide using long or synthetic division.
(10x3 – 2² – 292 – 30) = (x² – 2 – 2)

Answers

Answer:

10x3−22−292−30=x2−2−2

10x3−326=x2−4

Step 1: Subtract x^2-4 from both sides.

10x3−326−(x2−4)=x2−4−(x2−4)

10x3−x2−322=0

Step 2: Use cubic formula.

x=3.215088

Answer:

x=3.215088

Step-by-step explanation:

Answer:

x=3.215088

Step-by-step explanation:

u want me to show step by step?

how to dived inters -6÷5

Answers

To make a division between two integer, for example -6÷5. The first thing we need to do is:

• Define the sign of the result.

For that we use the law of signs:

• when you divide a negative number by a positive number, the answer will be negative.

,

• When you divide a positive number by a negative number, the answer will be also negative

,

• When you divide a negative number by a negative number, the answer will be a positive number.

In this example, we have the first case, so the answer will be negative.

Now we move to making th division between 6 and 5, for that we arrange the numbers as follows:

And we start by finding how many times does the number 5 fits into the number 6. The answer to that is that 5 can fit into 6 one time.

how to dived inters -65

Use the definition of Taylor series to find the Taylor series (centered at c ) for the function. f(x)=e 4x
,c=0 f(x)=∑ n=0
[infinity]

Answers

The answer is ,  the Taylor series (centered at c=0) for the function f(x) = e^(4x) is given by:

\($$\large f(x) = \sum_{n=0}^{\infty} \frac{4^n}{n!}x^n$$\)

The Taylor series expansion is a way to represent a function as an infinite sum of terms that depend on the function's derivatives.

The Taylor series of a function f(x) centered at c is given by the formula:

\(\large f(x) = \sum_{n=0}^{\infty} \frac{f^{(n)}(c)}{n!}(x-c)^n\)

Using the definition of Taylor series to find the Taylor series (centered at c=0) for the function f(x) = e^(4x), we have:

\(\large e^{4x} = \sum_{n=0}^{\infty} \frac{e^{4(0)}}{n!}(x-0)^n\)

\(\large e^{4x} = \sum_{n=0}^{\infty} \frac{4^n}{n!}x^n\)

Therefore, the Taylor series (centered at c=0) for the function f(x) = e^(4x) is given by:

\($$\large f(x) = \sum_{n=0}^{\infty} \frac{4^n}{n!}x^n$$\)

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The Taylor series for f(x) = e^(4x) centered at c = 0 is:

f(x) = 1 + 4x + 8x^2 + 32x^3/3 + ...

To find the Taylor series for the function f(x) = e^(4x) centered at c = 0, we can use the definition of the Taylor series. The general formula for the Taylor series expansion of a function f(x) centered at c is given by:

f(x) = f(c) + f'(c)(x - c) + f''(c)(x - c)^2/2! + f'''(c)(x - c)^3/3! + ...

First, let's find the derivatives of f(x) = e^(4x):

f'(x) = d/dx(e^(4x)) = 4e^(4x)

f''(x) = d^2/dx^2(e^(4x)) = 16e^(4x)

f'''(x) = d^3/dx^3(e^(4x)) = 64e^(4x)

Now, let's evaluate these derivatives at x = c = 0:

f(0) = e^(4*0) = e^0 = 1

f'(0) = 4e^(4*0) = 4e^0 = 4

f''(0) = 16e^(4*0) = 16e^0 = 16

f'''(0) = 64e^(4*0) = 64e^0 = 64

Now we can write the Taylor series expansion:

f(x) = f(0) + f'(0)(x - 0) + f''(0)(x - 0)^2/2! + f'''(0)(x - 0)^3/3! + ...

Substituting the values we found:

f(x) = 1 + 4x + 16x^2/2! + 64x^3/3! + ...

Simplifying the terms:

f(x) = 1 + 4x + 8x^2 + 32x^3/3 + ...

Therefore, the Taylor series for f(x) = e^(4x) centered at c = 0 is:

f(x) = 1 + 4x + 8x^2 + 32x^3/3 + ...

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Part E

Using the dimensions from part D, find the area of each simple shape. Do this for all your decompositions (sets of shapes).

Answers

Answer:

What type of question is this

Answer:

The area of a rectangle is given by A = l × w, where l is the length and w is the width.

The length (l) and width (w) of the small rectangle are 14 feet and 6 feet, respectively, so the area of the small rectangle (As) is:

AS  =  14 ft. × 6 ft.

= 84 sq. ft.

The length (l) and width (w) of the large rectangle are 20 feet and 7 feet, respectively, so the area of the large rectangle (Al) is:

Al  =  20 ft. × 7 ft.

= 140 sq. ft.

The area of a triangle is given by , where b is the base and h is the height of the triangle.

The base and height of the triangle both measure 6 feet, so the area of the triangle (At) is:

   ft.  ft.

  sq. ft.

  sq. ft.

Step-by-step explanation:

Find f(g(−1)). f(g(−1)) =

Answers

Answer:-6

Step-by-step explanation:it j told me the answer haha

Answer:

64

Step-by-step explanation:

calculate the surface area ​

calculate the surface area

Answers

Answer:

228 square meters

Step-by-step explanation:

1. Simplify: 2√50 × 3√32 × 4√18

Answers

2√50 × 3√32 × 4√18
=2(5√2) × 3(4√2)× 4(3√2)
=2(5)(2)(3)(4)(4)(3√2)
=2880√2

Answer:

Answer is 4072.93506 and there's full explanation.

1. Simplify: 250 332 418

Which function is increasing?

Which function is increasing?

Answers

The answer is b………..

(x+a)^2-(x-b)^2+x^2+(a-b)x-ab by (a+b)

Answers

Answer:

(a+b)(2x−ab+a−b)+x(a−b)+x²

Step-by-step explanation:

I can't make a good explanation, so here's a graph.

Also, this wouldn't be a proportional relationship because of exponents on the last term.

This is really a parabola.

(x+a)^2-(x-b)^2+x^2+(a-b)x-ab by (a+b)
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Amelia is asked to make a list of her beliefs. What is the MOST logical response to add to this list?A. All children deserve to be educated.B. Education.C. Honesty.D. Self-discipline. How can a saturated solution be made from the liquid from an eyedropper? Write the steps. Please help! Leichtman, an infectious disease specialist in British Columbia, appeared in-person on the Bill Cunningham television show to discuss COVID-19 and how important it Was for individuals in BC to continue to wear masks to stop the spread. Specifically. bspread of the variants of COVID-19 and that private stores should compel customers to wear them. Furman, another guest on the show at the same time, took the opposite perspective. Furman believed that masks were unnecessary and that stores should not be able to discriminate against non-mask wearers. As things became more heated in their discussion, during one of the commercial breaks, Furman privately aid, 'That's it. Here's the deal. You either give me $5,000 right now or I'm telling the world that you have a criminal record for fraud. If I do that your career would be over-t" Unnerved by the statement, Leichtman e-transferred the money to Furman's b3skik account following the show, Leichtman contacted the police, but now also wance to sue privately. What tort would Leichtman be able to sue Furman for? cxplain and apply the legal test to determine if that tort claim would be successful Which of these choices is a method of indirect characterization?summing up a character's backgrounddescribing a character's personalityexplaining what a character looks likeshowing how a character solves problems Please answer! (Will Mark brainlist) which of the following tests may require special "chain of custody" documentation when collected?A. blood cultureB. crossmatchC. drug screenD. TDM I need to solve for x this is really easy I just don't have the time to do it please help. FILL IN THE BLANK. A(n) _____ is someone who breaks into computer systems, launches Internet worms & viruses, or perpetrates other dubious computer-related vandalism. (3x+4) - (x+2) subtract. use models if needed. What is the main argument that Dr. King makes with his, "I Have a Dream" speech?A. African Americans have received bad checks from the bank, which is unfairB. African Americans are not included in the Declaration of Independence and the Constitution, and this must change.C. There is still too much inequality in the United StatesD. African Americans want to be able to travel and move freely throughout the US, just as whites can In mike's last baseball game he threw 33 strikes and 11 balls what percentage of mike's pitches were strikes?Of the 44 total pitches how many strikes would mike have had to throw to reach 85% The two triangles below are similar. Find the missing sides Determine if the sequence below is arithmetic or geometric and determine the common difference/ ratio in simplest form 15, 11 ,7, help me on problem 4 !!!!I WILL GIVE BRAINLIEST!!!!! If you follow a similar approach by drawing a line through point C that is perpendicular to and using the associated defects for A or B instead of C, what are the resulting equations? (Do not go through the complete derivation again, just think about the result you came up with in question 9 and what similar formulas for A or B would look like.) Tim says that a theme for his book is "friendship". Why can't "friendship" be a theme, and how can he fix it? Explain transformation in DNA what is an advantage of using the lac regulatory region to control the expression of exogenous proteins in bacterial cells? an investment firm invested in two companies last year. they invested 11000 in company a and made a profit of 24% . they invested 14000 in company b and made a profit of 15% . Just as you are recovering, your child falls ill. You know there have been mistakes in your medication dosages, so you hurriedly scan the Internet to make sure that what the doctor is giving your child is safe. The doctor orders two things which we need to evaluate - b) 15ml of Tylenol 3 to given every 4-6 hours. Your research indicates that there are 12mg of codeine per 5ml of liquid and that the safe dosage is between 0. 5 and 1mg/kg/every 4-6 hours. Is this prescription safe for your child? Explain. If not, what would a safe dose be?