Answer:
$227 + $24w
Step-by-step explanation:
Initial balance = $227
Amount deposited per week = $24
Amount in account after w weeks
Total amount = initial balance + total weekly deposit
Total Weekly deposit = $24 * number of weeks
Number of weeks = w
Hence,.
Total deposit = $227 + $24w
the physician order vancomycin 400 mg oral every 6 hours for a child that weighs 99 lbs. the vancomycin is available in 250mg/ml concentration. the recommended dose is 40mg/kg/24 h divided in four doses. how many milligrams per kilogram per 24 hours is the patient receiving?
The patient is recieving nearly 35.5 miligrams of the drugs for per kilogram per 24 hours.
First, we need to convert the child's weight from pounds to kilograms:
99 lbs / 2.205 = 44.9 kg
Next, we calculate the recommended dose for this weight:
40 mg/kg/24h x 44.9 kg = 1796 mg/24h
Since the recommended dose is divided into four equal doses, each dose should be:
1796 mg/24h ÷ 4 doses = 449 mg/dose
However, the physician ordered 400 mg every 6 hours, which is not the same as 449 mg every 6 hours. To calculate the actual dose per kilogram per 24 hours, we need to convert the ordered dose to the recommended dose:
400 mg/dose x 4 doses = 1600 mg/24h
Then, we divide the actual dose by the child's weight in kilograms:
1600 mg/24h ÷ 44.9 kg = 35.6 mg/kg/24h
Therefore, the patient is receiving 35.6 mg/kg/24h, which is slightly lower than the recommended dose of 40 mg/kg/24h.
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Which completely describes the polygon?
equilateral
equiangular
regular
congruent
After answering the provided question, we can conclude that " Congruent means having the same shape and size, but this is unnecessary because the polygon is already defined as regular.
What is a polygon?A polygon is a two-dimensional making change by connecting three or more locations in a closed loop. Polygons encompass triangles, tetrahedral, pentagons, hexagons, and other shapes. Polygons are a basic geometric concept that is used to describe and analyse many real-world shapes and structures, including buildings, layouts, and computer graphics. Polygons are studied for their qualities such as perimeter, area, angles, but also symmetry.
The polygon in the image appears to have equal side lengths and equal angles, indicating that it is equilateral (all sides are equal length), equiangular (all angles are equal measure), and regular (both equilateral and equiangular). As a result, the correct option for fully describing the polygon is "equilateral, equiangular, and regular." Congruent means having the same shape and size, but this is unnecessary because the polygon is already defined as regular.
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Given f (x) = 1/x+11, find the average rate of change of f (x) on the interval [3, 3+h]. Your answer will be an expression involving h.
The average rate of change of the function in the interval is of:
\(A = -\frac{1}{14(14 + h)}\)
What is the average rate of change?The average rate of change of a function f(x) over an interval [a,b] is given by:
\(A = \frac{f(b) - f(a)}{b - a}\)
In this problem:
The interval is [3, 3 + h], hence \(a = 3, b = 3 + h\).\(f(3) = \frac{1}{3 + 11} = \frac{1}{14}\)\(f(3 + h) = \frac{1}{3 + h + 11} = \frac{1}{14 + h}\)Then:
\(f(b) - f(a) = \frac{1}{14 + h} - \frac{1}{14} = \frac{14 - 14 - h}{14(14 + h)} = -\frac{h}{14(14 + h)}\)
\(A = \frac{-\frac{h}{14(14 + h)}}{3 + h - 3} = -\frac{-\frac{h}{14(14 + h)}}{h} = -\frac{1}{14(14 + h)}\)
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The function m is given in three equivalent forms.
Which form most quickly reveals the zeros (or "roots") of the function?
Choose 1 answer:
m(x) = 2(x +4)^2 – 8
m(x)= 2x^2 + 16x + 24
m(x)=2(x+6)(x+2)
Write one of the zeros
Sam invested a total of $25,000. His first earned 5%
interest and the other earned 6% interest. If Sam earned $1280
interest in one year, how much did he invest in each investment?
what is a way to divide a four by four grid into four congruent sections
Answer:
Step-by-step explanation:
Construct the perpendicular bisector of the segment. Then construct the perpendicular bisector of each of the new segments. The first bisector cuts the segment into two congruent pieces. Constructing the bisector of each of those produces 4 congruent segments.
Elmer spent the day at the mall. First, he bought five rabbits for $10 each. Later, he bought four cupboards for $70 each. After that, he found a twenty dollar bill. Also, he returned one rabbit. Write the total change to Elmer's funds as an integer.
Answer:
-300
Step-by-step explanation:
Step 1: Find the amount Elmer's funds decreased after purchasing the rabbits:
Let x represent Elmer's funds.
Since Elmer bought five rabbits for $10 each, he lost $10 5 times.
x - (10 * 5)
x - 50
Thus, Elmer lost (spent) $50 for the 5 rabbits.
Step 2: Find the amount Elmer's funds decreased after purchasing the cupboards:
Since Elmer bought four cupboards for $70 each, he lost $70 4 times:
x - (50 + (70 * 4))
x - (50 + 280)
x - 330
Thus, after purchasing the rabbits and cupboards, Elmer lost $330.
Step 3: Find the amount Elmer's funds increased after finding the twenty-dollar bill:
Since Elmer found a twenty-dollar bill, he gained $20
x - (330 + 20)
x - 310
Step 4: Find the amount Elmer's funds increased after returning one rabbit:
Since Elmer returned one rabbit, he gained $10:
x - (310 + 10)
x - 300
Thus, Elmer's funds changed totally by -$300.
Putting all the information together, we have:
x - 10 - 10 - 10 - 10 - 10 - 70 - 70 - 70 - 70 + 20 + 10
x - 50 - 280 + 30
x - 330 + 30
x - $300
A line has a y-intercept of 8 and a slope of 4. What is its equation in slope-intercept form?
Answer:
y = 4x + 8
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Here m = 4 and c = 8 , thus
y = 4x + 8 ← equation of line
The equation in slope-intercept form is y = 4x+8
What is the equation of a line?The equation of line is an algebraic form of representing the set of points, which together form a line in a coordinate system.
Given that, a line has a y-intercept of 8 and a slope of 4.
We know that, the general equation of a line is given by, y = mx+c
where m is slope and c is the y intercept,
Here, m = 4 and c = 8
Therefore, the equation can be, y = 4x+8
Hence, The equation in slope-intercept form is y = 4x+8
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There are 72 squares in the model. What is the result of 72-12?
6
8
9
12
Answer:
6
Step-by-step explanation:
the answer is 6
(3-6 arithmetic sequences as linear functions)
1. -4, -2, 0, 2, ...
2. 1/2, 5/8, 3/4, 13/16
1. -4, -2, 0, 2... is an arithmetic sequences with a common difference of 2.
2.1/2, 5/8, 3/4, 13/16... is not an arithmetic sequences.
What is mean by arithmetic sequence?An arithmetic sequence is a list of numbers with a definite pattern. If you take any number in the sequence then subtract it by the previous one, and the result is always the same or constant then it is an arithmetic sequence.
The constant difference in all pairs of consecutive or successive numbers in a sequence is called the common difference, denoted by the letter d.
We use the common difference to go from one term to another.
Take the current term and add the common difference to get to the next term, and so on. That is how the terms in the sequence are generated.
If the common difference between consecutive terms is positive, we say that the sequence is increasing.On the other hand, when the difference is negative we say that the sequence is decreasing.The given sequence can only be an arithmetic sequences if they have same common difference
1.
2-0 = 2
0 - (-2) = 2
-2 -(-4) = 2
Thus, the given sequence is an arithmetic sequences with a common difference of 2.
2.
13/16-3/4 = 1/16
3/4 -5/8 = 1/8
5/8 - 1/2 = 1/8
Thus, the given sequence is not an arithmetic sequences.
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Complete question:
Arithmetic Sequences as Linear Functions.
Determine whether each sequence is an arithmetic sequence. Write yes or no.
1. -4, -2, 0, 2, ...
2. 1/2, 5/8, 3/4, 13/16 ...
Help. (4x + 7)°
51°
How many complex numbers have a modulus of 5?
All the complex numbers on a circle of radius 5 have a modulus of 5, so there are infinite of them.
How many complex numbers have a modulus of 5?For a given complex number:
z = a + bi
The modulus is given by:
M = √(a² + b²)
The numbers that have a modulus of 5 are:
5 = √(a² + b²)
We can rewrite that as:
5² = a² + b²
So all the complex numbers in a circle or radius 5 have a modulus of 5, and there are infinite numbers in that circle, so the answer is infinite.
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what was the total distance traveled by the object during the 10.0-second time interval
Firstly, we need to know the speed of the object in order to calculate the distance it traveled. If we have the speed, we can use the formula distance = speed x time to find the total distance traveled during the 10.0-second time interval.
Secondly, if we don't have the speed, we can use the equation of motion: distance = (initial velocity x time) + (1/2 x acceleration x time squared). This equation takes into account the initial velocity of the object as well as any acceleration that occurred during the time interval.
Lastly, if we have information about the velocity and acceleration of the object, we can use the kinematic equations to find the distance traveled. These equations relate the velocity, acceleration, time, and distance of an object in motion.
In conclusion, to find the total distance traveled by an object during a 10.0-second time interval, we need to know the speed, initial velocity and acceleration of the object. Once we have this information, we can use the formulas and equations mentioned above to calculate the distance traveled.
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Larry played the drums for 3 and 1/8 hour each day while five day band camp also played the marimba 1 and 3/5
hours on two of those days. How much time did Larry spend playing the drums and marimba during band camp?
hours
(Enter all mixed numbers as x y/z.)
Answer:
20 23/24 hours
Step-by-step explanation:
5*(3 1/8)+2*(1 3/5)
5*(25/8) + 2*(8/3)
125/8 + 16/3
375/24 + 128/24
=503/24
=20 23/24
Write each vector as a linear combination of the vectors in \( S \). (Use \( s_{1} \) and \( s_{2} \), respectively, for the vectors in the set. If not possible, enter IMPOSSIBLE.) \( S=\{(1,2,-2),(2,
Given set of vectors is S = {(1, 2, -2), (2, -1, 3)}. We are supposed to write each vector as a linear combination of the vectors in S.
Now, let's consider vector (1, -1, 7), we have to represent this vector as a linear combination of vectors in S.
Now, let's suppose it can be represented as (1, -1, 7) = a(1, 2, -2) + b(2, -1, 3) for some scalars a and b.So, (1, -1, 7) = a(1, 2, -2) + b(2, -1, 3)
⇒ 1 = a(1) + b(2) --------------- Equation (1)
⇒ -1 = a(2) - b(1) --------------- Equation (2)
⇒ 7 = -2a + 3b --------------- Equation (3)
Solving these equations for a and b, we geta = 3,
b = -2.
So, (1, -1, 7) can be represented as (1, -1, 7) = 3(1, 2, -2) - 2(2, -1, 3).
Thus, the required representation of (1, -1, 7) as a linear combination of the vectors in S is (1, -1, 7) = 3(1, 2, -2) - 2(2, -1, 3).
Therefore, the correct option is A.
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6 Find the value of x from the following figures.
1)
PLEASE HELP!!!
Which of the following values could x represent in the bar diagram?
ABC or D?
9514 1404 393
Answer:
both C and D are correct
Step-by-step explanation:
The diagram shows that x is the total of $40 and 20% of $40.
Description A would be represented by the difference of $40 and 20% of $40, not the sum.
Description B would be represented by 20% of $40, not the sum of that and $40.
Both descriptions C and D are properly represented in the diagram.
The depth of water at a dock can be modeled as y 4 sin (7x) + 7. At low
tide the water is 3 feet deep. What is the depth of water at high tide (its
maximum point)?
A. 10 feet
B. 11 feet
C. 7 feet
O D. 14 feet
the mean corporation operates out of two major cities, city a and city b. it has a head office for each city and each office has thousands of employees. a computer competency exam is administered to all staff in each head office and the results are recorded. the ceo decides that he would like to compare the performance of the two offices. he labels the two groups of staff city a and city b and looks at their distribution of scores.The CEO is told that both City A and City B have the same mean score. However, City A is ____consistent than City B because the standard deviation for City A is _____ than the standard deviation for City B.
Therefore , the solution of the given problem of standard deviation comes out to be the CEO is informed that the mean scores for Cities A and B are identical.
Define standard deviation.Variance is a measure of difference used in statistics. The typical variance here between dataset and the mean is calculated using the multiplier of that figure. By comparing each figure to the mean, it incorporates those data points into its calculations, unlike other measurable measures of variability. Variations may result from internal or external factors and may include unintentional errors, inflated expectations, and changing economic or commercial circumstances.
Here,
It is clear that both offices share a comparable average score from the sentence "The CEO is informed that both City A or City B have the same mean score."
If City A is more reliable than City B, then City A will have a lower standard deviation.
A collection of data's variability or dispersion is measured by the standard deviation. The closer the data points are to the mean, the lower the standard deviation, and the less variable the data are.
So, the appropriate answer is:
The CEO is informed that the mean scores for Cities A and B are identical. However, due to the fact that City A's standard deviation is lower than City B's, City A is more reliable than City B.
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What is the solution to
2x + 8 < 3x - 4?
A) X < 12
B) X > 12/5
C) X > 12
D) X < 12/5
Answer:
A
Step-by-step explanation:
Answer:
The answer is choices C.
Step-by-step explanation:
Let's solve your inequality step-by-step.
2x+8<3x−4
Step 1: Subtract 3x from both sides.
2x+8−3x<3x−4−3x
−x+8<−4
Step 2: Subtract 8 from both sides.
−x+8−8<−4−8
−x<−12
Step 3: Divide both sides by -1.
−x/-1<−12/-1
x>12
A box-and-whisker plot. the number line goes from 1 to 10. the whiskers range from 1 to 9, and the box ranges from 2 to 4. a line divides the box at 3. what is the interquartile range? the interquartile range is .
For this box and whisker plot, the interquartile range is 2.
A measurement of data variability is called the interquartile range (IQR). It is the range of the middle 50% of the data and is defined as the difference between the third quartile (Q3) and the first quartile (Q1) of the data. The IQR is frequently employed in statistics and data analysis for describing a distribution's spread and contrasting the variability of several datasets. The data dispersion is frequently displayed using box-and-whisker plots.
To find the interquartile range (IQR), we need first to identify the first quartile (Q1) and the third quartile (Q3) of the data.
In this box-and-whisker plot, the box ranges from 2 to 4, which means that the interquartile range (IQR) is the range between Q1 and Q3.
Since the line dividing the box is at 3, we can infer that the median is also at 3.
Thus, the middle 50% of the data is contained within the box, which ranges from Q1=2 to Q3=4.
Therefore, the interquartile range (IQR) is:
IQR = Q3 - Q1
= 4 - 2
= 2
Therefore, for this box and whisker plot, the interquartile range is 2.
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d(n)d, left parenthesis, n, right parenthesis models the duration (in seconds) of the time it took for hailey to run her n^{th}n th n, start superscript, t, h, end superscript lap. nnn 333 777 999 d(n)d(n)d, left parenthesis, n, right parenthesis 858585 999999 110110110
The given expression, \(d(n)d(n)d(n)\), represents the duration in seconds for Hailey to run her \(n^{th}\) lap. The specific values provided, 333, 777, 999, correspond to the durations of the 3rd, 7th, and 9th laps, respectively. The values 858585, 999999, and 110110110 are unrelated and do not provide any additional information about lap durations.
The expression \(d(n)d(n)d(n)\) suggests that each lap duration is represented by the function \(d(n)\), where \(n\) denotes the lap number. The specific values given (333, 777, 999) correspond to the 3rd, 7th, and 9th laps, respectively. However, the remaining values (858585, 999999, 110110110) do not appear to have a direct connection to the lap durations or the function \(d(n)\).
Without further information or a specific pattern, it is difficult to interpret the significance of the remaining values. It's important to note that more context or information about the pattern or relationship between the values would be necessary to provide a more detailed explanation or analysis.
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The histogram shows the prices for six-packs of adult socks and six-packs of kid socks at a store. What is true about the variability of the prices of socks in kid sizes or adult sizes?
Answer:
a. There is more variability in the prices of kid socks because they have a greater range.
Step-by-step explanation:
A measure of variability is a summary statistic that represents the amount of dispersion in a dataset. Common examples are range, interquartile range (IQR), variance, and standard deviation.
From the histogram
Highest Number of Packs of Adult Socks = 7
Lowest Number of Packs of Adult Socks = 5
Range = 7 - 5 =2
Highest Number of Packs of Kid Socks = 7
Lowest Number of Packs of Kid Socks = 4
Range = 7-4 = 3
We conclude that there is more variability in the prices of kid socks because they have a greater range.
The correct option is A.
Answer:
A: Range
Step-by-step explanation:
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A 50-foot ladder is leaning against a vertical wall and forms an angle of 75 degrees with the ground.
Answer:
height of the wall ] is 48.25ft
Step-by-step explanation:
Given data
Length of ladder= 50ft
Angle= 75°
We want to find the Height of the wall
Applying the SOH CAH TOA
sin ∅= opposite/hypotenus
sin 75= opposite/ 50
0.965= opposite/ 50
opposite=0.965*50
opposite= 48.25ft
Hence the height of the wall ] is 48.25ft
Jina is saving money to buy a bike. She has $63 and is going to save an additional $9 each week. The bike costs $198. In how many weeks will she have
enough money to buy the bike?
(a) Write an equation that could be used to answer the question above.
First, choose the appropriate form. Then, fill in the blanks with the
numbers 63, 9, and 198. Let w represent the number of weeks.
Answer:
Jina will have enough money to buy the bike in 15 weeks
Step-by-step explanation:
y = mx + b
198 = 9x + 63
Subtract 63 from both sides;
135 = 9x
Divide both sides by 9;
x = 15
Please help me desperately need help
Answer:
9) 15
10)22
11)25
Step-by-step explanation:
9)
\(area=\frac{bh}{2} \\30=\frac{(2x+1)4}{2} \\\\30=4x+2\\\\28=4x\\x=7\\\)
substitute:
=2x+7
=2(7)+1
=15
10)
\(area=\frac{bh}{2} \\114=\frac{12(3x-2)}{2} \\114=18x-12\\126=18x\\7=x\)
substitute:
=3x-2
=3(7)+1
=22
11)
\(area=h\frac{b1+b2}{2} \\\\69=\frac{4x-2}{2} \\\\69=\frac{24x-12}{2} \\\\69=12x-6\\75=12x\\x=6.25\\\\=4x\\=4(6.25)\\=25\)
3. Let z = x + yi where x and yare real numbers, be the cube root of a complex number w^20where w=1/2+3/2i. Find the arithmetic mean of real and imaginary parts of z ?
The arithmetic mean of the real and imaginary parts of z is approximately 0.8227 + 0.2643i.
How did we get the value?Find the value of w²⁰ and then raise it to the 10th power:
w² = (½ + 3/2i)² = ¼ + 3/2i + 9/4 = 5/2 + 3/2i
So, w²⁰ = (w²)¹⁰ = (5/2 + 3/2i)¹⁰
Now, let z equate w²⁰:
z³ = w²⁰
Substitute the expression for w²⁰:
z³ = (5/2 + 3/2i)¹⁰
Find z by taking the cube root from both sides:
z = (5/2 + 3/2i)¹⁰^(⅓)
Using 10^(⅓) = 2.1544 to calculate z:
z = (5/2 + 3/2i)^2.1544
z ≈ 1.6454 + 0.5287i
The arithmetic mean of the real and imaginary parts of z is:
(mean) = (1.6454 + 0.5287i)/2
(mean) ≈ 0.8227 + 0.2643i
Therefore, the arithmetic mean of the real and imaginary parts of z is approximately 0.8227 + 0.2643i.
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For accounting purposes, the value of assets (land, buildings, equipment) in a business are depreciated at a set rate per year. The value, V(t) of $537,000 worth of assets after t years, that depreciate at 17% per year, is given by the formula V(t) = Vo(b)t. What is the value of Vo and b, and when rounded to the nearest cent, what are the assets valued at after 9 years?
Vo = $537,000, b = 0.17, and the value after 9 years is $0.45
Vo = $537,000, b = 0.83, and the value after 9 years is $100,386.92
Vo = $537,000, b = 1.17, and the value after 9 years is $98,291.76
Vo = $537,000, b = 0.83, and the value after 9 years is $91,290.00
Answer:
V(0)=$537,000
b=0.83
t=9
v (9)=100,386.92
Value after 9 years of depreciation at 17% per year
b = 1- r
b = 1 - 17% b = 0.83
Step-by-step explanation:
V (t)=V(0) (b)^t
V (t) future value ?
Vo present value $537,000
b=0.83
T time =9 years
V (9)=537,000×(0.83)^(9)
v (9)=100,386.92
Value after 9 years of depreciation at 17% per year
b = 1- r
b = 1 - 17% b = 0.83
A triangle has two sides of lengths 6 and 9. What value could the length of
the third side be? Check all that apply.
OA. 7
B. 2
C. 4
OD. 15
□E. 10
O F. 12
SUBMIT
B. 2 and OD. 15 are not possible lengths for the third side of the triangle.
To determine the possible values for the length of the third side of a triangle, we need to consider the triangle inequality theorem, which states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.
Given that two sides have lengths 6 and 9, we can analyze the possibilities:
6 + 9 > x
x > 15 - The sum of the two known sides is greater than any possible third side.
6 + x > 9
x > 3 - The length of the unknown side must be greater than the difference between the two known sides.
9 + x > 6
x > -3 - Since the length of a side cannot be negative, this inequality is always satisfied.
Based on the analysis, the possible values for the length of the third side are:
A. 7
C. 4
□E. 10
O F. 12
B. 2 and OD. 15 are not possible lengths for the third side of the triangle.
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Please can I have the workings too
Answer:
Step-by-step explanation:
Answer:
\(\frac{3-2a}{a^2}\)
Step-by-step explanation:
Before we can subtract the fractions we require them to have a common denominator.
Multiply the numerator/ denominator of \(\frac{2}{a}\) by a , then
\(\frac{3}{a^2}\) - \(\frac{2a}{a^2}\) ← with common denominator a²
Add numerators leaving the denominator
= \(\frac{3-2a}{a^2}\)