We did not find results for: A measure of malnutrition, called the pelidisi, varies directly as the cube root of a person's weight in grams and inversely as the person's sitting height in centimeters. A person with a pelidisi below 100 is considered to be undernourished, while a pelidisi greater than 100 indicates overfeeding. A person who weighs 48,820 g with a sitting height of 78.7 cm has a pelidisi of 100. Find the pelidisi (to the nearest whole number) of a person whose weight is 54,688 g and whose sitting height is 72.6 cm. Is this individual undernourished or overfed?The pelidsi is _____Round to the nearest integer as needed..
Since a pelidisi below ( 100 ) is considered undernourished and a pelidisi greater than ( 100 ) indicates overfeeding, with a pelidisi of ( 114 ), this individual is considered to be overfed.
Let's denote the pelidisi as ( P ), the weight in grams as ( W ), and the sitting height in centimeters as ( H). According to the given information, the pelidisi varies directly as the cube root of the person's weight and inversely as the person's sitting height. This relationship can be expressed mathematically as:
[tex]\[ P = k \times \frac{\sqrt[3]{W}}{H} \][/tex]
where ( k ) is the constant of variation.
We are given that a person with a weight of ( 48,820 ) g and a sitting height of ( 78.7 ) cm has a pelidisi of ( 100 ). We can use this information to find the value of ( k ):
[tex]\[ 100 = k \times \frac{\sqrt[3]{48820}}{78.7} \][/tex]
Solving for \( k \):
[tex]\[ k = \frac{100 \times 78.7}{\sqrt[3]{48820}} \]\[ k \approx \frac{7870}{36} \approx 218.611 \][/tex]
Now that we have the value of \( k \), we can find the pelidisi for a person with a weight of \( 54,688 \) g and a sitting height of \( 72.6 \) cm:
[tex]\[ P = 218.611 \times \frac{\sqrt[3]{54688}}{72.6} \][/tex]
Calculating \( P \):
[tex]\[ P \approx 218.611 \times \frac{38}{72.6} \]\[ P \approx 218.611 \times 0.522 \]\[ P \approx 114.14 \][/tex]
Rounded to the nearest whole number, the pelidisi of a person with a weight of ( 54,688 ) g and a sitting height of ( 72.6 ) cm is ( 114 ).
Since a pelidisi below ( 100 ) is considered undernourished and a pelidisi greater than ( 100 ) indicates overfeeding, with a pelidisi of ( 114 ), this individual is considered to be overfed.
if a number is a whole number then it cannot be.......
a...an irrational number
b...a natural number
c...an integer
d...a rational number
Using number sets, it is found that a whole number cannot be irrational, hence option a is correct.
What are rational and irrational numbers?All numbers that can be represented by fractions are rational.Numbers that cannot be represented by fractions, such as non-repeating decimals and the square roots of numbers that are not perfect squares are irrational.In this problem, any whole number can be represented by a fraction, hence it cannot be irrational and option a is correct.
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Answer:
A. An Irrational Number
Step-by-step explanation:
Irrational numbers are numbers like pi or angles with degrees, while whole numbers are numbers from 0+
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Sam is 5 years old. His older brother, Tom, is three times as old as Sam. When Sam is 20, how old will Tom be?
Express the perimeter of the triangle as a polynomial.
A) 9x -8
B) 9x + 8
C) 8x - 6
D) -9x - 6
A certain solution has a hydrogen ion concentration of 3.54 x 10−5 moles per liter. Write this number in standard notation.
Which inequality has the graph shown below
The Inequality that has the graph shown below is [tex]y \ge -\frac{1}{4}x + 1.[/tex] correct choice is [tex]y \ge -\frac{1}{4}x + 1.[/tex]
This can be seen by noting that the line is solid and shaded above the line, which indicates that all points above the line satisfy the inequality.
Graphs are often used to visually represent inequalities in mathematics. Inequalities compare the relative sizes of two expressions, and their graphs help illustrate the solutions to these inequalities on a number line or in a coordinate plane
The other inequalities in the image are not correct because:
[tex]y > -\frac{1}{4}x + 1[/tex]would have the line shaded below the line.
[tex]y < = -\frac{1}{4}x + 1[/tex] would have the line dashed, not solid.
[tex]y < -\frac{1}{4}x + 1[/tex]would have no points above the line satisfying the inequality.
Therefore, the correct inequality is [tex]y \ge -\frac{1}{4}x + 1.[/tex]
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A man invests
$3700
in three accounts that pay
5%,
6%
, and
7%
in annual interest, respectively. He has
3
times as much invested at
7%
than he does at
5%
. If his total interest for the year is
$234
, how much is invested at each rate?
Vince, a middle manager at united imports inc., is on a business trip to japan to visit a major supplier. after work, his japanese hosts take him to a japanese barbecue restaurant. vince is very uncomfortable with the dishes served in the restaurant and does not know what to do. vince is experiencing ________.
Sin theta = -5/13 and cos theta = -12/13 use ratio identity to find cot theta
find the sum of the first 10 terms. 0.5,0.9,1.3,1.7.....
The sum of the first 10 terms of the series is 23.
What is an arithmetic progression?An arithmetic progression(AP) is a sequence or series of numbers such that the difference of any two successive members is a constant. The first term is a, the common difference is d, n is number of terms.
For the given situation,
The series is 0.5,0.9,1.3,1.7.....
Here the first term, a = 0.5,
The common difference, d = [tex]0.9-0.5[/tex]
⇒ [tex]d=0.4[/tex]
Number of terms, n = 10
The formula of sum of n terms is
[tex]S_{n}=\frac{n}{2} [2a+(n-1)d][/tex]
On substituting the above values,
⇒ [tex]S_{10}=\frac{10}{2} [2(0.5)+(10-1)(0.4)][/tex]
⇒ [tex]S_{10}=5 [1+9(0.4)][/tex]
⇒ [tex]S_{10}=5 [1+3.6][/tex]
⇒ [tex]S_{10}=5 [4.6][/tex]
⇒ [tex]S_{10}=23[/tex]
Hence we can conclude that the sum of the first 10 terms of the series is 23.
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How do you factor 18x^4y^2+21x^5y-6x^3y^2
[tex]3x^3y ( 6xy + 7x^2 - 2y )[/tex] is the factored form of [tex]18x^4y^2+21x^5y-6x^3y^2[/tex] .
Given, expression [tex]18x^4y^2+21x^5y-6x^3y^2[/tex] .
To factorize the expression take the common terms present in each part of an expression.
Expression : [tex]18x^4y^2+21x^5y-6x^3y^2[/tex]
Highest power of x which is present in each part = x³
Highest power of y which is present in each part = y
HCF of 18, 21 , 6 = 3
Factorizing the expression:
Take 3x³y as common,
Factored form : [tex]3x^3y ( 6xy + 7x^2 - 2y )[/tex] .
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Three batteries are connected in series so that the total voltage is 54 volts. The first battery is twice the voltage of the second and 1/3 the voltage of the third battery. Find the actual voltage of each battery
The first battery voltage is 12.
The second battery voltage is 6.
The third battery voltage is 36.
What is an expression?An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.
Example: 2 + 3x + 4y = 7 is an expression.
We have,
First battery voltage = M
Second battery voltage = N
Third battery voltage = O
Now,
We can make an expression as,
M + N + 0 = 54 _____(A)
And,
M = 2N ____(1)
M = (1/3)O ____(2)
Now,
From (1) and (2)
N = M/2
O= 3M
Substituting in (A)
M + N + O = 54
M + M/2 + 3M = 54
4M + M/2 = 54
8M + M = 108
9M = 108
M = 12
Now,
N = M/2 = 12/2 = 6
O= 3M = 3 x 12 = 36
Thus,
First battery voltage = 12
Second battery voltage = 6
Third battery voltage = 36
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How many possible hands of 3 cards can be obtained from a deck of cards? what are the odds of dealing three eights in a row from the deck?
There are 22,100 possible hands of 3 cards from a 52-card deck using combinations. The probability of dealing three eights in a row from the deck is approximately 0.000181.
This question involves calculating probabilities and combinations related to card hands from a deck of 52 cards.
Possible Hands of 3 Cards:
To determine the number of possible hands of 3 cards from a 52-card deck, we use the combination formula: C(n, k) = n! / [k! * (n - k)!], where n is the total number of cards and k is the number of cards to choose.
C(52, 3) = 52! / [3! * (52 - 3)!] = 52! / (3! * 49!) = (52 × 51 × 50) / (3 × 2 × 1) = 22100. Therefore, there are 22,100 possible hands of 3 cards.
Probability of Dealing Three Eights:
The probability of dealing three eights in a row can be determined as follows:
There are 4 eights in the deck.The probability of drawing the first eight: 4/52.The probability of drawing the second eight: 3/51.The probability of drawing the third eight: 2/50.Therefore, the probability of dealing three eights is: (4/52) × (3/51) × (2/50) = 24 / 132600 = 1 / 5525 ≈ 0.000181.
This detailed explanation helps in understanding how combinations and probabilities in card games are calculated.
Part A: Eveline rented a car at $180 for 4 days. If she rents the same car for 9 days, she has to pay a total rent of $325. Write an equation in the standard form to represent the total rent (y) that Eveline has to pay for renting the car for x days. (4 points) Part B: Write the equation obtained in Part A using function notation. (2 points) Part C: Describe the steps to graph the equation obtained above on the coordinate axes. Mention the labels on the axes and the intervals. (4 points)
When a variable is eliminated from the equation during the equation solving process, what are the two possible solutions and what do they mean? Give an example of your own and explain what each answer would look like.
When a variable is eliminated from the equation during the equation solving process, the two possible solutions are:
A single unique solution and No solution:
what are the two possible solutions and what do they mean?When a variable is eliminated from an equation during the solving process, it results in an equation with only one variable. The two possible solutions are:
A single unique solution: This means that there is one specific value for the remaining variable that satisfies the equation.
No solution: This means that there is no value for the remaining variable that satisfies the equation, resulting in an inconsistent or contradictory statement.
Let's consider an example equation to illustrate these possibilities:
3x + 2y = 10
6x + 4y = 20
To solve this system of equations, eliminate the variable "x" by multiplying the first equation by 2 and subtracting it from the second equation:
[tex](6x + 4y) - 2(3x + 2y) = 20 - 2(10)\\6x + 4y - 6x - 4y = 20 - 20[/tex]
0 = 0
In this case, the variable "x" has been eliminated, and we are left with the equation 0 = 0. This equation is true for all values of "y".
Therefore, the system of equations has infinitely many solutions, and any value of "y" would satisfy the equations.
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The dimension of a rectangular pool are 24.5 feet by 13 feet. The depth of the water is 4 feet. Each cubic foot contains 7.48 gallons of water. How many gallons of water to the nearest tenth, are needed to fill the pool to 80% capacity
Answer:
Pool needed to be filled = 7623.62 gallons
Step-by-step explanation:
Length of rectangular pool = 24.5 feet
Width of rectangular pool = 13 feet
Depth of rectangular pool = 4 feet
Now, Volume of the pool = Length × Width × Depth
= 24.5 × 13 × 4
= 1274 cubic feet
Now, 1 cubic feet = 7.48 gallons
⇒ 1274 cubic feet = 7.48 × 1274
= 9529.52 gallons
So, Volume of the pool = 9529.52 gallons
Now, the pool is to be filled 80%
So, Pool needed to be filled = 9529.52 × 0.80
= 7623.62 gallons
The number of gallons of water to the nearest tenth, that are needed to fill the pool to 80% capacity is 7623.6 gallons.
Number of gallons of waterFirst step:
Volume of the pool=Length × Width × Depth
Volume of the pool= 24.5 ft × 13ft × 4ft
Volume of the pool=1274 cubic feet
Second step:
Number of gallons=(7.48 × 1274)×80%
Number of gallons=9529.5 gallons×80%
Number of gallons=7623.6 gallons
Inconclusion the number of gallons of water to the nearest tenth, that are needed to fill the pool to 80% capacity is 7623.6 gallons.
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Molly had 1/8 of a bag of birdseed. She separated it equally into 2 bird feeders. What part of a bag did each feeder get?
The function f(x) = 1/5 is translated up 4 units. Which equation represents the translated function?
The equation that represents the translated function for
[tex]\rm f(x) = \dfrac{1}{5}[/tex] [tex]\rm is\;\; \rm \bold{g(x) = f(x) +4 = 4.2}[/tex].
Given that the function f(x) = 1/5 is translated up 4 units.
We have to determine the equation that represents the translated function
The function f(x) = 1/5 as the function is translated.
Translation is a concept of mathematics . In translation the shape of the object is simply moved linearly from one point to other point by adding some constant values in the previous coordinates. In translation , there is no dilation shape and size of the object remains the same.
Let us consider that if the function is translated up with 4 units then the new function is [tex]\rm\bold{ g(x)}[/tex]
So according to the language of question we
[tex]\rm g(x) = f(x) +4[/tex]
[tex]\rm g(x) = \dfrac{1}{5} +4 = \dfrac{21}{5} = 4.5[/tex]
[tex]\rm g(x) = 4.5[/tex]
The equation that represents the translated function for
[tex]\rm f(x) = \dfrac{1}{5}[/tex] [tex]\rm is\;\; g(x) = f(x) +4 = 4.2[/tex]
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Calculate the slope m, if defined, of the straight line through the given pair of points. Try to do the problem without writing anything down except the answer. (If an answer is undefined, enter UNDEFINED.) (6, 5) and (7, 2)
The slope m of the straight line through the points (6, 5) and (7, 2) is -3.
What is a slope?Slope or the gradient is the number or the ratio which determines the direction or the steepness of the line.
The slope of the line is defined as the ratio of the rise to the run.
To find the slope, we can use the formula:
m = (y₂ - y₁) / (x₂ - x₁)
where (x₁, y₁) = (6, 5) and (x₂, y₂) = (7, 2).
Substituting these values, we get:
m = (2 - 5) / (7 - 6) = -3 / 1 = -3
Therefore, the slope of the straight line through the given pair of points is -3.
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The two lines, X and Y, are graphed below:
Line X is drawn by joining ordered pairs negative 3,12 and 7,negative 16. Line Y is drawn by joining ordered pairs 0, negative 14 and 11, 8
Determine the solution and the reasoning that justifies the solution to the systems of equations.
(2, 7), because this point is true for both the equations
(4, −6), because this point lies only on one of the two lines
(4, −6), because this point makes both the equations true
(2, 7), because the lines intersect the x-axis at these points
Answer:c
Step-by-step explanation:
(4,-6), because this point makes both the equations true.
how do i do this problem
In a right triangle, angle C measures 40°. The hypotenuse of the triangle is 10 inches long. What is the approximate length of the side adjacent to angle C?
6.4 inches
7.7 inches
8.4 inches
13.1 inches
Answer
Find out the what is the approximate length of the side adjacent to angle C .
To prove
As given
In a right triangle, angle C measures 40°.
The hypotenuse of the triangle is 10 inches long.
Than by using the trignometric identity
[tex]cos\angle C= \frac{Base}{Hypotenuse}\\cos\angle C= \frac{BC}{AC}[/tex]
As shown the diagram is given below
AC= 10 inches , ∠C = 40 °
cos 40 = 0.766 (approx)
Put in the above formula
0.766 × 10 = BC
7.66 = BC
7.7 inches (approx) = BC
Option (b) is correct .
The correct option is Option C [tex]\boxed{{\mathbf{7}}{\mathbf{.66 inches}}}[/tex] .
Further explanation:
The cosine ratio can be represented as,
[tex]\cos \theta = \frac{{{\text{base}}}}{{{\text{hypotenuse}}}}[/tex]
Here, base is the length of the side adjacent to angle [tex]\theta[/tex] and hypotenuse is the longest side of the right angle triangle.
The length of side opposite to angle [tex]\theta[/tex] is perpendicular that is used for the sine ratio.
Step by step explanation:
Step 1:
From the given information, the observed right angle is attached.
First find the hypotenuse and the base of the right angle triangle.
It can be seen from the attached figure that the side [tex]BC[/tex] is adjacent to angle [tex]C[/tex] and the side [tex]AC[/tex] is the hypotenuse of triangle.
Thus, the [tex]{\text{base}}=BC[/tex] and [tex]{\text{hypotenuse}}=10[/tex] .
Step 2:
We know that the cosine ratio is [tex]\cos \theta =\frac{{{\text{base}}}}{{{\text{hypotenuse}}}}[/tex] .
Therefore, it can be written as,
[tex]\cos \theta=\frac{{BC}}{{AC}}[/tex]
Now substitute the value [tex]BC=x[/tex] and [tex]{\text{AC}}=10[/tex] in the cosine ratio.
[tex]\begin{aligned}\cos C&=\frac{x}{{10}}\\{\text{co}}s40&=\frac{x}{{10}}\\0.766&=\frac{x}{{10}}\\x&=7.66\\\end{aligned}[/tex]
Therefore, the approximate length of the side adjacent to angle [tex]C[/tex] is [tex]7.7{\text{ inches}}[/tex] .
Thus, option C is correct.
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Answer details:
Grade: High school
Subject: Mathematics
Chapter: Trigonometry
Keywords: Distance, Pythagoras theorem, base, perpendicular, hypotenuse, right angle triangle, units, squares, sum, cosine ratio, adjacent side to angle, opposite side to angle.
A package of 3 pairs of insulated socks costs $25.17. What is the unit price of the pairs of socks?
ella wants to estimate the product (3.6)(7.8). which expression shows each factor rounded to the nearest whole number
The expression that shows each factor rounded to the nearest whole number is 32.
What is rounding a number to some specific place?Rounding some number to a specific value is making its value simpler (therefore losing accuracy), mostly done for better readability or accessibility.
Rounding to some place keeps it accurate on the left side of that place but rounded off like trimmed from the right in terms of exact digits.
Given that Ella wants to estimate the product (3.6)(7.8).
3.6 rounded to give 4
7.8 rounded to give 8
Therefore, the product would be;
4 x 8 = 32
Hence, the expression that shows each factor rounded to the nearest whole number is 32.
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Final answer:
To estimate the product of 3.6 and 7.8 by rounding to the nearest whole number, round 3.6 down to 3 and 7.8 up to 8, making the estimated expression (3)(8).
Explanation:
The student has asked how to estimate the product of 3.6 and 7.8 by rounding each factor to the nearest whole number.
To do this, we look at each factor and determine which whole number it is closest to. For 3.6, we round down to 3 because it is closer to 3 than to 4. For 7.8, we round up to 8 because it is closer to 8 than to 7. Hence, the expression that represents the product of each factor rounded to the nearest whole number is (3)(8).
what is an infinite set in geometry please help asap
What is the rate of growth as a percent for 23(1.0032)
53 ℃ below zero degrees
imagine you live only one mile from work and you decide to walk if you walk 4 miles per hour how long will it take you to walk one mile
It will take you 15 minutes to walk one mile at a speed of 4 miles per hour.
To determine how long it will take you to walk one mile, we can use the formula:
Time = Distance / Speed
Let's plug in the values:
Distance = 1 mile
Speed = 4 miles per hour
Time = 1 mile / 4 miles per hour
Time = 0.25 hours
Since there are 60 minutes in an hour, we can convert the time to minutes:
Time = 0.25 hours × 60 minutes per hour
Time = 15 minutes
Therefore, it will take you 15 minutes to walk one mile at a speed of 4 miles per hour.
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find the present value that will grow to $7000 if the annual interest rate is 3.5% compounded quarterly for 9 uears
The present value that will grow to $7,000 if the annual interest rate is 3.5% compounded quarterly for 9 years is $5,187.72
The Breakdown
To find the present value (PV) that will grow to $7,000 if the annual interest rate is 3.5% compounded quarterly for 9 years, you can use the formula for compound interest:
PV = FV / (1 + (r / n))^(n*t
Where:
PV = Present Value
FV = Future Value ($7,000 in this case)
r = Annual interest rate (as a decimal, so 3.5% is 0.035)
n = Number of times the interest is compounded per year (quarterly, so 4 times)
t = Number of years (9 years in this case)
PV = 7000 / (1 + (0.035 / 4))^(4 * 9)
PV = 7000 / (1 + 0.00875)^(36)
PV = 7000 / (1.00875)^36
Now, calculate (1.00875)^36:
(1.00875)^36 ≈ 1.34985880768
Now, divide $7,000 by this value to find the present value:
PV ≈ 7000 / 1.34985880768 ≈ $5,187.72
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latoya drove 864 miles in 12 hours. at the same rate, how long would it take her to drive 576 miles?
Answer:
8 Hours!!
Step-by-step explanation: