Answer:
15%
Step-by-step explanation:
percentage of students in first year studying law = 30%
half of the first year law student are male. that is 15% are male
Therefore, percentage of the college students in year one studying law = 15%
johnny wants to make a sandwich platter for a party. he is buying supplies at the deli. he plans to order 8.5 pounds of turkey meat and at least 9.25 pounds of cheese. let c represent the amount of cheese, in pounds, that johnny might buy. which inequality models the story?
The linear inequality will be c ≥ 9.25.
What precisely are linear inequalities?
Inequality is defined as a mathematical statement stating that neither side is equal. An inequality emerges when a connection creates a non-equal comparison between two expressions. In the statement, the inequality symbols greater than symbol (>), less than symbol (<), more than or equal to symbol (≥), less than or equal to symbol (≤), or not equal to symbol (≠) replace the equal sign "=".
The symbols '< and >' represent severe disparities, whereas " ≤ and ≥ " represent slack inequalities.
Now
The inequality that models the story is:
c ≥ 9.25
This is because Johnny plans to order at least 9.25 pounds of cheese.
There is no inequality in the story that relates to the amount of turkey meat that Johnny plans to order, but we know that he plans to order 8.5 pounds of turkey meat.
hence,
The linear inequality will be c ≥ 9.25.
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Look at the equation shown below. 19 - 5 = 3 z - 11 Which of these expressions gives the value of Z
If the equation is 19-5=3z-11 then the value of z is 15/3.
Given an equation in terms of z is 19-5=3z-11.
We are required to find the value of variable z which exist in equation.
Equation is like a relationship between two or more variables expressed in equal to form. Equations of two or more variables look like ax+by=c. It may be linear equation, quadratic equation,cubic equation,or many more depending on power of the variable.
The value of z can be find as under:
19-5=3z-11
4=3z-11
3z=4+11
3z=15
z=15/3
Hence if the equation is 19-5=3z-11 then the value of variable z is 15/3.
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6 apples to 2 mangoes
Answer:
6:2
Step-by-step explanation:
Answer:6:2 I hope this is helpful
Step-by-step explanation:
6 apples to 2 mangos is 6:2
a plumber charges a rate of $65 per hour for his time but gives a discount of $7 per hour to senior citizens. write an expression which represents a senior citizen's total cost of plumber in 2 different ways
An equation highlighting the discount: y = (65 - 7)x
A simpler equation: y = 58x
A family of 4 gets 505 text messages per month. Which of the following best describes the most even way these texts can be divided?
2 family members get 124 text messages each
2 family members get 125 text messages each
2 family members get 126 text messages each
2 family members get 125 text messages each
3 family members get 126 text messages each
1 family member gets 127 text messages
3 family members get 125 text messages each
1 family member gets 126 text messages
Answer:
3 family members get 126 text messages each
1 family member gets 127 text messages
Step-by-step explanation:
If you were finding the exact division of texts, 505 texts / 4 people, you would end up with 126.25 texts.
However, you can't get 0.25 of a text. If we take back each family member's 0.25 text, they will all be left with 126 texts (with an extra text leftover)
This extra text is considered the "remainder", meaning the amount left over when a number is divided [when it doesn't go into the larger number evenly]. The only importance/relevancy of a remainder is when a value cannot be split, such as a dog or a text.
So, we can give each family member 126 texts, and then we can give one family member an additional text, so that all texts are distributed.
This means that 3 family members get 126 texts, and 1 family member gets 127 texts
hope this helps!!
Which is 3 groups of 5?
3 + 5
5 - 3
3 × 5
5 ÷ 3
Answer: 3 groups of 5 = 5 + 5 + 5 = 15. 5 groups of 3 = 3 + 3 + 3 + 3 + 3 = 15. 3 groups of 5 has the same answer as 5 groups of 3! So, 3 x 5 = 5 x 3. This means that when you multiply 2 numbers, the order of the numbers (which number is first and which is second) does not matter, the answer will still be the same. Multiplication Terms
Step-by-step explanation: I hopes this helps.
If 5x+2=52, then what does x equal?
Answer:
x=10
Step-by-step explanation:
If we subtract 2 from 52 we get 50 and ten mutiplys into 50.
find the distance between the points
(-8,-6) and (4, 10)
Answer:
d=20
Step-by-step explanation:
To find the distance between 2 points we use the distance formula
d = √(x2 - x1)²+(y2 - y1)²
The given points are (x1= -8, y1 = -6) and (x2 = 4, y2 = 10).
Substitute the given points into the distance formula.
d = √(4 + 8)²+(10 +6)²
d = √144+252
d= √400
d = 20
Are the ratios 19:10 and 2:1 equivalent?
Answer: No, they are not.
Step-by-step explanation:
Help meh out please.
Answer:
Step-by-step explanation:
sry bro im confused
-7/6 ? -6/7
I need to finish my hw. It’s using < or > please help thanks
the length of a rectangle is five inches more than four times the width. the perimeter is inches. find the length and width.
In rectangle , The width is 8 and the length is 37.
What is a rectangle ?
A rectangle is a sort of quadrilateral with parallel sides that are equal to one another and four vertices that are all 90 degrees apart. Because of this, it is also known as an equiangular quadrilateral.
The term "parallelogram" can also be used to describe a rectangle because the opposing sides are equal and parallel.
90 = 2(x + 5 + 4x)
90 = 2(5x + 5)
90 = 10x + 10
80 = 10x
x = 8
So the width is 8 and the length is 37.
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The complete question is -
The length of a rectangle is five inches more than four times it’s width. If the perimeter is 90 inches, find its dimensions
PLEASE HELP WILL GIVE BRAINLIEST!!
Proof attached
Prove AD || EF
Answer:It is given that
In △ABC,
DE∥AC
What is similarity of triangles?
Two triangles are similar if corresponding angles are equal and corresponding sides are in proportion.
Let us consider △BDE and △ABC,
∠B=∠B.....common angles
∠BDE =∠BAC....corresponding angles
so, △BDE∼△ABC
Since △BDE and △ABC are similar so, corresponding sides will be in proportion,
Subtract 1 from both sides,
Thus, we proved using the similarity of triangles.
Step-by-step explanation:
What is the quadratic equation whose roots are 2 √ 3 and 2 − √ 3?
The quadratic equation whose roots are 2√3 and 2-√3 can be written in the form ax² + bx + c = 0.
To solve this equation, we can use the formula x = (-b ± √(b²-4ac))/2a.
Substituting the values of 2√3 and 2-√3 for x, we get:
2√3 = (-b + √(b²-4ac))/2a
2-√3 = (-b - √(b²-4ac))/2a
Subtracting the two equations, we get:
0 = √(b²-4ac)
Taking the square of both sides, we get:
b² - 4ac = 0
Rearranging the equation, we get:
ax² + bx + c = 0, where
a = 1
b = 0
c = -4ac
Therefore, the quadratic equation whose roots are 2√3 and 2-√3
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How many unique 4 digits integers ( excluding leading zeros) are there that the sum of the 4 digits is 6?
There are 84 unique 4-digit integers (excluding leading zeros) whose sum of the digits is 6.
To find the number of unique 4-digit integers (excluding leading zeros) where the sum of the digits is 6, we can use a combinatorial approach.
Let's consider the four digits as four distinct positions: A, B, C, and D. The sum of the four digits is 6, so we need to distribute these six units among these four positions.
We can solve this problem using stars and bars. Imagine we have six stars (representing the six units) and three bars (representing the three dividers between the positions). The bars help us separate the units into four distinct positions.
For example, if we have the configuration "* | * * | * * | *," it represents the digits 1, 2, 2, and 1. The sum of these digits is 6.
The number of ways to arrange the six stars and three bars is given by the binomial coefficient (6 + 3 choose 3). Using the formula for combinations, we have:
(6 + 3) C 3 = (9 C 3) = 9! / (3! * (9 - 3)!) = 84.
So, there are 84 unique 4-digit integers (excluding leading zeros) whose sum of the digits is 6.
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Hi all I need help with pre alg
Answer: A. 8x = 32
Step-by-step explanation:
To solve for x in the equation 8x = 32, we need to isolate x on one side of the equation.
We can divide both sides of the equation by 8:
8x/8 = 32/8
Simplifying:
x = 4
Therefore, the solution to the equation 8x = 32 is x = 4.
The solution to the equation 15x + 4 = 10x + 24 is x = 4.
Answer:
A) 8x = 32
Step-by-step explanation:
15x + 4= 10x +24
15x - 10x= 5x
5x + 4 = 24
24 - 4= 20
5x = 20
20/5= 4
X=4
Check options
A) 8x = 32
32/8=4
X=4
Find a vector parameterization for the line passing through (1, 1, -1) and (6, -9, 4).
The vector parameterization for the line passing through the points (1, 1, -1) and (6, -9, 4) is:
x = 1 + 5t
y = 1 - 10t
z = -1 + 5t
To find a vector parameterization for the line passing through the points (1, 1, -1) and (6, -9, 4), we can use the vector equation of a line:
r = a + t * d
where r is the position vector of any point on the line, a is a known point on the line, t is a parameter, and d is the direction vector of the line.
First, let's find the direction vector d. We can subtract the coordinates of the two points to obtain the direction vector:
d = (6, -9, 4) - (1, 1, -1)
= (5, -10, 5)
Now, we can choose one of the given points, say (1, 1, -1), as our known point a.
Substituting these values into the vector equation, we have:
r = (1, 1, -1) + t * (5, -10, 5)
So, the vector parameterization for the line passing through the points (1, 1, -1) and (6, -9, 4) is:
x = 1 + 5t
y = 1 - 10t
z = -1 + 5t
where t is a real number that can vary to give different points along the line.
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See the Pic for my question.
Answer:
C. 7
Step-by-step explanation:
4 * Sum (i = 1 to 3) (1/2)^(i - 1) =
= 4 * [(1/2)^0 + (1/2)^1 + (1/2)^2]
= 4 * [1 + 1/2 + 1/4]
= 4 * [7/4]
= 7
Answer:
7
Step-by-step explanation:
because I'm smart like that
abby began her pizza delivery route with 11/12 of a tank of gas in her car. when she made it back to the pizzeria, 3/4 of a tank of gas was left. how much gas did abby use?
The gas used by Abby while travelling in her pizza delivery route is 1/4.
As per the given question here we have to implement the basic principles of subtraction along with application of LCM.
The total amount of gas that Abby had in her car = 11/12
After coming to pizzeria the amount of gas left in her tank = 3/4
Here, we have to perform Subtraction to find out the amount of gas used for travelling. Therefore,
= 11/12 - 3/4
performing the LCM, we get
= 11 - 9/12
= 3/12 => 1/4
The gas used by Abby while travelling in her pizza delivery route is 1/4.
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Susie plans to run 2 miles per day the first week and then increase the daily distance by a half a mile each of the following weeks. How long before the marathon should she start?
There are many ways to approach this problem. Some include, make a table, write a function, create ordered pairs...
1. Identify and label the variables.
2.Make a table for up to 6 weeks to see a pattern.
3. Write an equation to represent the nth term of the sequence.
4. If the pattern continues during which week will she run 10 miles per day?
5. Is it reasonable to think that this pattern will continue indefinitely, explain?
6. How long before the marathon should she start?
PLEASE ANSWER ALL QUESTIONS IF YOU CAN PLEASEE
Due to length restrictions, we kindly invite to see the explanation below to know the answer with respect to each component of the question concerning linear equations.
How to determine a linear equation describing the daily distance of a runner
In this question we need to derive an expression of the daily distance as a function of time. Now we proceed to complete the components:
Linear equations have an independent variable (t - time) and a dependent variable (x - daily distance).We notice that the daily distance increases linearly in time, then then we have the following pattern:To learn more on linear equation: https://brainly.com/question/11897796
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Fix an integer n ≥ 1. Let P = {a = x0, x1, ..., X4n = b} be a partition of [a, b] consisting of 4n+1 equally-spaced points, with the constant subinterval width h := Xi+1 — Xi (b − a)/(4n) for all i 0, 1, ..., n 1. Consider the following open Newton-Cotes = = quadrature on [xro, x4], 4h 14 [**ƒf(x) dx = ¹4½ [2ƒ (x1) − ƒ(x2) + 2ƒ (x3)] + 1/2 h³ f(iv) (c), +2ƒ(x3)] 3 45 xo where the last term is the error term and c = (x0, x4). Write down a composite version of this rule over the partition P, that approxi- mates ff(x) dx, and also include the error term in the form Ch¹(b − a) f(iv) (c) where c € (a, b) (i.e. find the constant C). Note that since this is based on an open quadra- ture, the subinterval endpoints {x4i}=0 will not be used, but it is convenient for the notation to keep them. [Hint: Start by rewriting the given quadrature rule (with error term) on a generic interval [4i, 4i+1], then take a summation from i = 0 ton - 1.]
We can simplify the composite version of the open Newton-Cotes quadrature rule as:
\(\[ \int_a^b f(x) dx \approx \frac{h}{4} \sum_{i=0}^{n-1} \left( 2f(x_{4i+1}) - f(x_{4i+2}) + 2f(x_{4i+3}) \right) + \frac{Mh^3}{45} \cdot n \cdot (b-a) \]\)
To derive the composite version of the open Newton-Cotes quadrature rule over the partition P, we start by rewriting the given quadrature rule on a generic interval [4i, 4i+1], where i = 0, 1, ..., n-1.
The quadrature rule on the interval [4i, 4i+1] is:
\(\[ \int_{x_{4i}}^{x_{4i+1}} f(x) dx \approx \frac{h}{4} \left[ 2f(x_{4i+1}) - f(x_{4i+2}) + 2f(x_{4i+3}) \right] + \frac{h^3}{45}f''''(c_i) \]\)
where \(\( h = \frac{b-a}{4n} \)\) is the constant subinterval width, and \(\( c_i \)\) is some value in the interval \([x_{4i}, x_{4i+1}]\).
Next, we take a summation from i = 0 to n-1 to obtain the composite version of the rule:
\(\[ \int_a^b f(x) dx \approx \sum_{i=0}^{n-1} \left[ \frac{h}{4} \left( 2f(x_{4i+1}) - f(x_{4i+2}) + 2f(x_{4i+3}) \right) \right] + \frac{h^3}{45} \sum_{i=0}^{n-1} f''''(c_i) \]\)
Now, we can simplify the expression by noting that the partition P consists of 4n+1 equally-spaced points, which means each subinterval has a width of 4h.
Therefore, we can rewrite the sums as follows:
\(\[ \int_a^b f(x) dx \approx \sum_{i=0}^{n-1} \left[ \frac{h}{4} \left( 2f(x_{4i+1}) - f(x_{4i+2}) + 2f(x_{4i+3}) \right) \right] + \frac{h^3}{45} \sum_{i=0}^{n-1} f''''(c_i) \]\)
\(\[ \int_a^b f(x) dx \approx \sum_{i=0}^{n-1} \left[ \frac{h}{4} \left( 2f(x_{4i+1}) - f(x_{4i+2}) + 2f(x_{4i+3}) \right) \right] + \frac{h^3}{45} \sum_{i=0}^{n-1} f''''(c_i) \]\)
\(\[ \int_a^b f(x) dx \approx \frac{h}{4} \sum_{i=0}^{n-1} \left( 2f(x_{4i+1}) - f(x_{4i+2}) + 2f(x_{4i+3}) \right) + \frac{h^3}{45} \sum_{i=0}^{n-1} f''''(c_i) \]\)
The constant C in the error term can be determined by analyzing the maximum value of f''''(c) in the interval [a, b].
Let \(\( M = \max_{x \in [a, b]} |f''''(x)| \)\).
Since \(\( c_i \)\) is some value in the interval \([x_{4i}, x_{4i+1}]\), we have \(\( f''''(c_i) \leq M \)\) for all i = 0, 1, ..., n-1.
Therefore, we can bound the error term as follows:
\(\[ \left| \frac{h^3}{45} \sum_{i=0}^{n-1} f''''(c_i) \right| \leq \frac{h^3}{45} \sum_{i=0}^{n-1} |f''''(c_i)| \leq \frac{h^3}{45} \sum_{i=0}^{n-1} M = \frac{Mh^3}{45} \sum_{i=0}^{n-1} 1 = \frac{Mh^3}{45} \cdot n \]\)
Thus, the constant \(C = \( \frac{M}{45} \)\).
Hence the composite version of the open Newton-Cotes quadrature rule over the partition P is:
\(\[ \int_a^b f(x) dx \approx \frac{h}{4} \sum_{i=0}^{n-1} \left( 2f(x_{4i+1}) - f(x_{4i+2}) + 2f(x_{4i+3}) \right) + \frac{Mh^3}{45} \cdot n \cdot (b-a) \]\)
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the graph shows data from the light-colored soil enclosure. there is one dependent variable and more than one independent variable on the graph.what are the independent variables, the variables that were manipulated by the researcher?
In the given graph, the independent variables represent those factors that are manipulated by the researcher. On the other hand, the dependent variable represents the effect of the independent variable(s).Let's first understand the given graph - it shows data from the light-colored soil enclosure.
There is one dependent variable and more than one independent variable on the graph. Based on this information, it can be concluded that the graph represents the result of an experiment where multiple factors were tested to observe their impact on the dependent variable. Now, coming to the question, we need to identify the independent variables from the graph. Unfortunately, the graph is not available here to analyze and provide an accurate answer. Suppose the experiment aimed to study the effect of different factors on the growth of plants in light-colored soil. Some independent variables that could be manipulated by the researcher are:
Amount of water provided to the plants Type of fertilizer used for the soil Temperature of the enclosure Humidity level inside the enclosure Intensity and duration of light exposure. Amount of water provided to the plants, type of fertilizer used for the soil, temperature of the enclosure, humidity level inside the enclosure, intensity, and duration of light exposure.
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Rewrite in factored form, do not solve
X^2-x-56=0
Answer:
\( {x}^{2} - x - 56 = 0 \\ { \boxed{ (x - 8)(x + 7) = 0}}\)
if x y=9 and y(9)=36, find y′(9) by implicit differentiation.
To find y′(9) by implicit differentiation given x*y = 9 and y(9) = 36: Differentiating both sides of the equation x*y = 9 with respect to x:
- Apply the product rule for differentiation, which is (u*v)' = u'*v + u*v'.
Here, u = x and v = y, so the equation becomes:
(x*y)' = x'*y + x*y'
Replacing x' and y' with dx/dx and dy/dx, respectively:
- Since x' = dx/dx = 1, the equation becomes:
1*y + x*(dy/dx) = 0
Solving for dy/dx:
- Rearrange the equation to isolate dy/dx:
dy/dx = -y/x
Substitute x = 9 and y = 36:
- According to the given information, y(9) = 36, so when x = 9, y = 36.
Substitute these values into the equation:
y'(9) = -36/9
Simplify the result:
- y'(9) = -4
So, y′(9) = -4.
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According to the table below, what is the joint frequency of boys with green eyes?
A. 0.20
B. 0.58
C. 0.34
D. 97
The joint frequency of boys with green eyes include the following: C. 0.34.
What is a frequency table?In Mathematics and Statistics, a frequency table can be used for the graphical representation of the frequencies or relative frequencies that are associated with a categorical variable or data set.
Based on the given frequency table, we can reasonably infer and logically deduce that 97 boys have green eyes while the total number of boys is 289.
Therefore, the joint frequency of boys with green eyes can be calculated as follows;
Joint frequency of boys with green eyes = 97/289
Joint frequency of boys with green eyes = 0.336 ≈ 0.34
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
helllpppp meee pls <<<<<<
The amount of snow before the snowstorm from the graph is 2 inches.
What is a coordinate system?Coordinates are a pair of numbers that identify a specific point on a coordinate plane grid, also known as a coordinate plane. A point in a coordinate plane is identified by its ordered pair (x, y), which corresponds to the X- and Y-coordinates.
In the given graph the vertical y-axis shows the data for the height of the snow and the x-axis shows the data for the amount of time the snowstorm was active.
From the graph, it is concluded that the amount of snow before the snow storm from the graph is 2 inches.
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What are the subtypes of quantitative data (techniques)?
There are two main subtypes of quantitative data, which are discrete data and continuous data. Each subtype has different techniques for analysis.
1. Discrete data: This type of data represents whole numbers or counts that can only take specific values. Examples include the number of students in a class or the number of cars in a parking lot. Techniques used to analyze discrete data include:
a. Frequency distribution: A summary of the number of times each value appears in the dataset.
b. Measures of central tendency: Calculating the mean, median, and mode of the dataset to understand its central point.
c. Measures of dispersion: Assessing the range, variance, and standard deviation to understand the spread of the data.
2. Continuous data: This type of data represents measurements that can take any value within a range, such as height, weight, or temperature. Techniques used to analyze continuous data include:
a. Histogram: A graphical representation of the distribution of the data, using bars to represent the frequency of values within specific intervals.
b. Probability density function: A mathematical function that describes the probability of a continuous random variable falling within a specific range.
c. Regression analysis: A statistical method for analyzing the relationship between a dependent variable and one or more independent variables.
Both discrete and continuous data can also be analyzed using inferential statistics, such as hypothesis testing and confidence intervals, to make inferences about a population based on a sample of the data.
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i need to find the area .
Answer:
104 ft^2
Step-by-step explanation:
area of rectangle = 8 × 10 = 80
area of triangle = 1/2 × 6 × 8 = 24
∴total area = 104 ft^2
thank you to whoever helps me
Answer:
your answer is A. 49 miles
Step-by-step explanation:
well every 7 miles she stops for a drink of water. So you multiply 7x7 which you should know is 49
to use the normal approximation for a test of two proportions, n1 p1 , n1 (1 - p1 ), n2 p2 , and n2 (1 - p2 ) must all be greater than what number?
To use the normal approximation for a test of two proportions, n1 p1, n1 (1 - p1), n2 p2, and n2 (1 - p2) must all be greater than or equal to 5.
This is because the normal distribution assumes that the sample size is large enough to approximate the binomial distribution, and the rule of thumb is that each cell (n1 p1, n1 (1 - p1), n2 p2, and n2 (1 - p2)) should have at least 5 expected counts. If any of these cells have fewer than 5 expected counts, then the normal approximation is not reliable and a more appropriate test should be used. It is important to note that this is just a rule of thumb, and other factors such as the size of the effect and the desired level of significance should also be considered when deciding on a statistical test.
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