Luisa buys a plane ticket that has an original price of $240. She uses a coupon code to get a 30% discount off of the original price. She is then charged a 7% tax on the discounted price.
What is the final cost for Luisa's plane ticket?
Answer:
179.76$
Step-by-step explanation:
........
........
Answer:
$176.76
Step-by-step explanation:
please help!! if u cant read heres what it says;
(1/2 x 3) + (3/4 x 6) + (1 x 3) + (1 1/4 x 1) = A
A= ??
The value of equation A is 29/4 or 7 1/4.
What is equation?An equation is a mathematical statement that shows the equality between two expressions using an equal sign. Equations are used to solve problems and model real-world situations in a variety of fields, including physics, engineering, and economics.
To solve the equation:
\((1/2 x 3) + (3/4 x 6) + (1 x 3) + (1 1/4 x 1)\)
We need to simplify the fractions first:
\((1/2 x 3) = 3/2\\(3/4 x 6) = 9/2\\(1 1/4 x 1) = 5/4\)
Now, substituting the values, we have:
\(3/2 + 9/2 + 3 + 5/4\)
To add these fractions, we need to find a common denominator. The least common multiple of 2, 4, and 4 is 4. So, we can convert the fractions as follows:
\(3/2 = 6/4\\9/2 = 18/4\\5/4 = 5/4\)
Now, adding the fractions, we get:
\(6/4 + 18/4 + 3(4/4) + 5/4 = 29/4\)
Therefore, the value of A is 29/4 or 7 1/4.
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Please help, I will give you brainliest answer!
Answer:
2 rocks
Step-by-step explanation:
2 crates + 2 rocks = 1 crate + 4 rocks
2 crates + 2 rocks = 2 crates + 8 rocks
Hence, 1 crate = (8-4)÷2
= 2 rocks
Direction: Read and analyze each question below, the write the letter of the correct answer.
1. Which of the following is a conditional statement?
a. If Andrew cleans the room then Andrea cleans the kitchen.
b. Andrew and Andrea clean the kitchen.
c. None of the above
2. Which of the following is a converse statement of the sentence "If you eat vegetables, then you are healthy"?
a. If you are healthy, then you eat vegetables.
b. If you do not eat vegetables, then you are not healthy.
c. None of the above
3. Which of the following is the contrapositive statement of the sentence "If you eat vegetables, then you are healthy"?
a. If you are healthy, then you eat vegetables.
b. If you do not eat vegetables, then you are not healthy.
c. None of the above
NEED ASAP
Answer:
1 is A
2 is A
3 is none of the above
Step-by-step explanation:
Let F(x,y)=x2y3i+x3y2j 1. Show that is conservative. If so, find the function f such that F=∇f 2. Use this fact to evaluate ∫CF⋅dr where C is defined by r(t)=, 0≤t≤1
The value of the provided integral is\(\( \frac{1}{3} \).\)
To determine if the vector field \(\( F(x, y) = x^2y^3\mathbf{i} + x^3y^2\mathbf{j} \)\) is conservative, we need to check if it satisfies the condition of being the gradient of a scalar function. In other words, we need to verify if there exists a scalar function f(x, y) such that \(\( \nabla f = F \).\)
1. To check if F is conservative, we need to calculate its partial derivatives with respect to x and y :
\(\[ \frac{\partial F}{\partial x} = 2xy^3 \quad \text{and} \quad \frac{\partial F}{\partial y} = 3x^2y^2 \]\)
Since these partial derivatives are equal, the vector field F is conservative.
2. Now, to find the function f , we integrate F with respect to x to obtain f(x, y) :\(\[ f(x, y) = \int F \cdot dx = \int x^2y^3 \, dx = \frac{1}{3}x^3y^3 + g(y) \]\)
Here, g(y) is an arbitrary function of y . To find g(y) , we differentiate f with respect to y and compare it with the y -component of F :
\(\[ \frac{\partial f}{\partial y} = x^3y^2 + g'(y) = 3x^2y^2 \]\)
Equating the corresponding terms, we get g'(y) = 0 . This implies that g(y) is a constant.
Thus, we can write the function f as:
\(\[ f(x, y) = \frac{1}{3}x^3y^3 + C \]\)
Where C is the constant of integration.
Now, we can evaluate the line integral of \(\( F \cdot dr \)\) over the curve C , where C is defined by \(\( r(t) = \langle t, t^2 \rangle \) for \( 0 \leq t \leq 1 \).\)
We can use the fact that F is conservative to evaluate this line integral using the scalar function f :
\(\[ \int_C F \cdot dr = f(r(1)) - f(r(0)) \]\)
Substituting the values of r(1) and r(0) :
\(\[ r(1) = \langle 1, 1 \rangle \quad \text{and} \quad r(0) = \langle 0, 0 \rangle \]\)
We can now calculate the line integral:
\(\[ \int_C F \cdot dr = f(1, 1) - f(0, 0) = \left(\frac{1}{3}(1)^3(1)^3 + C\right) - \left(\frac{1}{3}(0)^3(0)^3 + C\right) = \frac{1}{3} + C - C = \frac{1}{3} \]\)
Therefore, the value of the line integral of \(\( F \cdot dr \) over the curve \( C \) is \( \frac{1}{3} \).\)
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Find the x value of the axis of symmetry for the following function: f(x) = - 3x ^ 2 + 13x + 10
The axis of symmetry of the equation f(x) = - 3x ^ 2 + 13x + 10 is
x = 13/6How to find the axis of symmetryThe axis of symmetry is calculated
= -b / 2a
The quadratic equation is an equation of the form
ax^2 + bx + c
Comparing the given equation f(x) = - 3x^2 + 13x + 10 with ax^2 + bx + c the values of the axis of symmetry is
x = -b / 2a
x = -13 / 2(-3)
x = -13 / -6
x = 13/6
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Enter the correct answer in the box. what is the standard form polynomial that represents this product? 
The standard form polynomial that represents the product (-2m^3 + 3m^2 - m)(4m^2 + m - 5) is: -8m^5 + 14m^4 - 7m^3 - 3m^2 + 4m - 10
To find the product of the given polynomials, we need to apply the distributive property and multiply each term of the first polynomial with each term of the second polynomial.
(-2m^3 + 3m^2 - m)(4m^2 + m - 5) can be expanded as follows:
-2m^3(4m^2 + m - 5) + 3m^2(4m^2 + m - 5) - m(4m^2 + m - 5)
Applying the distributive property, we have:
-8m^5 - 2m^4 + 10m^3 + 12m^4 + 3m^3 - 15m^2 - 4m^3 - m^2 + 5m + 4m^2 + m - 5
Combining like terms, we get:
-8m^5 + 14m^4 - 7m^3 - 3m^2 + 4m - 10
Therefore, the standard form polynomial representing the product is -8m^5 + 14m^4 - 7m^3 - 3m^2 + 4m - 10.
#Enter the correct answer in the box. What is the standard form polynomial that represents this product?
(-2m3 + 3m2 - m)(4m2 + m - 5)
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(pic will be provided.) Construct the two-way frequency table. 6th Graders 7th Graders 8th Graders Total Very Unhappy Unhappy 9 6 7 11 How do You Feel About a Longer School Year? Very Happy Neutral Happy 11 36 5 35 24 58 14 18 Total 47 60 191.
Based on the information in the graph, we can infer that the missing numbers are: 9, 4, 19, 30, 84, 16, 8, 22, and 40.
How to complete the table?To complete the table correctly we must identify the columns or rows with more data. These will be the easiest to complete. First of all, we must fill in those that already have a number in the total box because we can add the available numbers and later subtract them from the total to identify the missing number.
We can also find the numbers in the total cells by adding all the numbers in a column or row to find this result. Finally, the boxes that are being completed serve as clues to complete the others.
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I need help....I don't understand......
Answer:
sorry but I can understand
If r is the position vector (with components x1, x2, x3) and v is any vector, show that
The position vector r (with components x1, x2, x3) and any vector v can be expressed as r = x1*i + x2*j + x3*k and v = a*i + b*j + c*k, respectively.
How can we show that the dot product of the position vector r and the vector v is equal to the sum of the products of their corresponding components?The dot product of two vectors is defined as the sum of the products of their corresponding components. Therefore, the dot product of r and v can be calculated as:
r · v = (x1*i + x2*j + x3*k) · (a*i + b*j + c*k)
= (x1*a) + (x2*b) + (x3*c)
Here, we multiplied the corresponding components and summed them up. The dot product represents the scalar projection of one vector onto the other, which indicates the magnitude of one vector in the direction of the other.
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Find the area of the shaded regions. Give your answer as a completely simplified exact value in terms of π (no approximations)
Answer:
52\(\pi\)
Step-by-step explanation:
The total shaded are will be the area of big circle - not shaded circle + little shaded circle.
The are of big shaded circle: \(\pi\)\(r^{2}\) So, A=\(\pi\)(8^2)= 64\(\pi\)
The are of not shaded circle: \(\pi r^{2}\) So, A= \(\pi\)(4^2)= 16\(\pi\)
The are of little shaded cirlce: \(\pi r^{2}\) So, A=\(\pi\)(2^2)= 4\(\pi\)
64\(\pi\) - 16\(\pi\) + 4\(\pi\)= 52\(\pi\)
Tina's employer matches her $500 per month contribution to her retirement account. If
her retirement account is earning 9.75% per year, compounded monthly, how much will she have in the account in 30 years?
Answer:
Step-by-step explanation:
The answer is going to be 1,462.5$. And that's because 9.75% of 500$=48.75$. So we just multiply 48.75 by 30 which signifies 30 years. So the workout gives us the solution; 48.75*30=1,462.5.
if we find that the null hypothesis, h0:βj=0h0:βj=0, cannot be rejected when testing the contribution of an individual regressor variable to the model, we usually should:
If we find that the null hypothesis, H0: βj = 0, cannot be rejected when testing the contribution of an individual regressor variable to the model, we usually should consider removing that variable from the model.
When the null hypothesis cannot be rejected, it suggests that there is not enough evidence to support the claim that the specific regressor variable has a significant impact on the model's outcome. In such cases, including the variable in the model may not improve the model's predictive power or provide meaningful insights.
Removing the non-significant variable can help simplify the model and reduce complexity. It can also improve interpretability by focusing on the variables that have a more substantial effect on the response variable.
However, it is important to carefully consider the context, theoretical relevance, and potential confounding factors before removing a variable solely based on its lack of significance. Additionally, consulting with domain experts and considering the overall model performance are crucial steps in the decision-making process.
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Soledad buys 5 ounces of frozen yogurt for $2.25. What is the unit price of the frozen yogurt in dollars per ounce?
Answer:
0.45
Step-by-step explanation:
You divided 2.25 by 5
Please help I need this done NOW!
The volume of the different shapes have been calculated in the space below
How to find volumeVolume of rectangular prism = lwh
where we define the variables as :
l = length
w = width
h = height
then when we multiply, we will have
= 4 x 10 x 6
= 240
Volume of triangular pyramid = 1 / 3 b x h
where b = base
h = height
1 / 3 x 1.5 x 2
= 1
Volume of rectangular pyramid = lwh / 3
= 7.5 x 4.5 x 5 / 3
= 56.25
Volume of triangular prism= 1/2 x b x h x l
= 1/2 x 3 x 8.5 x 7
= 89.25
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B
_ + 2 = -1
4
What is the value of B?
\( \frac{b}{4} + 2 = - 1\)
\( \frac{b}{4} = - 1 - 2 = - 3\)
\(b = - 3 \times 4 = - 12\)
Answer: -12
ok done. Thank to me :>
One hundred students from a large university were asked about their opinion on the new health care program. The 100 represents statistical inference data and statistics a sample a population
The 100 students from a large university represent a sample.
In statistics, a sample is a subset of individuals or observations taken from a larger group known as the population. The purpose of taking a sample is to make inferences and draw conclusions about the population based on the characteristics observed in the sample.
In this scenario, the 100 students from a large university who were asked about their opinion on the new health care program represent a sample. The sample is a smaller group of individuals selected from the larger population of all students at the university. The intention is to gather insights and information about the opinions of the broader population based on the responses obtained from the sample. Statistical inference techniques can be applied to analyze the data collected from the sample and make conclusions or predictions about the entire population.
It is important to note that the sample should be representative of the population to ensure that the conclusions drawn from the sample can be generalized to the larger population accurately. The process of selecting a sample and conducting statistical analyses is an essential part of studying and understanding populations using data and statistics.
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A game has a deck of cards with 10 red cards and 4 blue cards. You randomly choose one card and without replacing it choose another card. What is the probability of choosing a red card and then a blue card?
Answer:
21.97%
Step-by-step explanation:
Make n the subject of the formula y=m^2 - 4n^2
Answer:
Make n the subject of the formula y =m² -4n² .
Step-by-step explanation:
it's the same i hope it can help.
what is the y-intercept of 2x^2-8x+21
Answer:
the y-intercept is (0,21)
Answer:
(0,21)
Step-by-step explanation:
If you set x to 0, you can solve for the y-intercept. Plugging in 0 in this equation will give you 21. Therefore, the y-intercept is at (0,21).
HELP ME PLS HURRY!!! (8)
Answer:
median<mode
Step-by-step explanation:
median is 18
mode is 19
so median<mode
plz mark as brainliest
!!Urgent!! Pls help!! Parallel lines p and q are cut by two non-parallel lines, m and n, as shown in the figure.
The value of x is -----
degrees, and the value of y is ----
degrees.
help pls. Find the value of x.
Answer:
\( \boxed{ \bold{ \huge{ \boxed{ \sf{x = 15 °}}}}}\)
Step-by-step explanation:
\( \sf{x + 30 ° + 100 ° + 3x - 10 ° = 180 °}\)
( Sum of angle in straight line )
Collect like terms
⇒\( \sf{4x + 30 ° + 100 ° - 10 ° = 180 °}\)
Calculate the sum or difference
⇒\( \sf{4x + 120 ° = 180 °} \)
Move 120 to right hand side hand change it's sign
⇒\( \sf{4x = 180 ° - 120 °}\)
Subtract 120 from 180
⇒\( \sf{4x = 60 ° }\)
Divide both sides of the equation by 4
⇒\( \sf{ \frac{4x}{4} = \frac{60}{4} }\)
Calculate
⇒\( \sf{x = 15 °}\)
Hope I helped!
Best regards!!
Solve for x
3(x-7)=6
Answer:
\(x=9\)
Step-by-step explanation:
To solve the given equation:
3(x-7) = 6
We first distribute the 3 to the terms inside the parenthesis:
3x - 21 = 6
Next, we add 21 to both sides of the equation to isolate the term with the variable:
3x - 21 + 21 = 6 + 21
Simplifying, we get:
3x = 27
Finally, we divide both sides by 3 to solve for x:
3x/3 = 27/3
Simplifying, we get:
x = 9
Therefore, the solution to the equation 3(x-7) = 6 is x = 9.
Answer: x = 9
Step-by-step explanation:
3(x-7)=6
multiplying to remove brackets-
3x-21 = 6
solve equation-
3x = 27
x = 27/3
x = 9
A cable company had 132 subscribers. The ratio of regular subscribers to premium subscribers was 3:8. How many regular subscribers did they have?
Answer: 49.5 ~50
Step-by-step explanation: 132/8=16.5 16.5(3)=49.5
Answer:
49.5
Step-by-step explanation:
the range of feasible values for the multiple coefficient of correlation is from ________.
The range of feasible values for the multiple coefficients of correlation is from -1 to 1.
The multiple coefficients of correlation, also known as the multiple R or R-squared, measures the strength and direction of the linear relationship between a dependent variable and multiple independent variables in a regression model. It quantifies the proportion of the variance in the dependent variable that is explained by the independent variables.
The multiple coefficients of correlation can take values between -1 and 1.
A value of 1 indicates a perfect positive linear relationship, meaning that all the data points fall exactly on a straight line with a positive slope.
A value of -1 indicates a perfect negative linear relationship, meaning that all the data points fall exactly on a straight line with a negative slope.
A value of 0 indicates no linear relationship between the variables.
Values between -1 and 1 indicate varying degrees of linear relationship, with values closer to -1 or 1 indicating a stronger relationship. The sign of the multiple coefficients of correlation indicates the direction of the relationship (positive or negative), while the absolute value represents the strength.
The range from -1 to 1 ensures that the multiple coefficients of correlation remain bounded and interpretable as a measure of linear relationship strength.
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what unit is best to measure the length of a garden hose
Answer:
feet/inches
Step-by-step explanation:
most gardening hoses are like 20 feet and 8 inches or whatever. So the best unit would be feet/inches
feet/inches is the best measure the length of a garden hose
What is unit?A unit is any standard used for making comparisons in measurements. Unit conversions allow for measurements of a property that have been recorded using different units—for instance, centimeters to inches.
Most gardening hoses are like 20 feet and 8 inches or whatever. So the best unit would be feet/inches
Hence, feet/inches is the best measure the length of a garden hose.
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four more than three times a number is eight less than that number
Answer:
3(x)+4-8
find x.
Step-by-step explanation:
PLEASE I NEED THIS QUICK!!!!!
Susan wants to make pumpkin bread and zucchini bread for the school bake sale. She has 15 eggs and 16 cups of flour in her pantry. Her recipe for one loaf of pumpkin bread uses 2 eggs and 3 cups of flour. Her recipe for one loaf of zucchini bread uses 3 eggs and 4 cups of flour. She plans to sell pumpkin bread loaves for $5 each and zucchini bread loaves for $4 each. Susan wants to maximize the money raised at the bake sale. Let x represent the number of loaves of pumpkin bread and y represent the number of loaves of zucchini bread Susan bakes.
What is the objective function for the problem?
P = 15x + 16y
P = 5x + 7y
P = 5x + 4y
P = 4x + 5y
Write the equation below in standard form and then answer the following questions. If a value is a non-integer type your answer as a reduced fraction. Type the center of the circle as the point (x,y) be sure to include parentheses and a comma between the values. 4x^2+y^2=4 The value for the denominator on x is: AnswerThe value for the denominator on y is: AnswerThe center is at the point Answer
Answer:(a) see equation below under point (a)
(b) The value for the denominator on x is: 1
(c) The value for the denominator on y is: 4
(d) The center is at the point = ( 0,0)
Explanations :GIVEN :
4x^2 +y^2 = 4
This is of the form :
(x-a) ^2 =(y-b)^2 = r^2
where ( a;b) is the centere and r is the radius
The graph below show the x and y intercept and the centre of the graph 4x^2 +y^2 = 4
• This shows the centre ecclipses at (h;k) = (0;0) , b =2 and a = 1
(a) The standard form of the equation will be :
\(\begin{gathered} \frac{(x-h)^2}{a^2}\text{ +}\frac{(y-k)^2}{b^2} \\ \end{gathered}\)rewrite 4x^2 +y^2 = 4 in the standard ecclipse equation :
\(\frac{(x-0)^2}{1^2}+\frac{(y-0)^2}{2^2}=\text{ 1}\)(b) The value for the denominator on x is: 1
(c) The value for the denominator on y is: 4
(d) The center is at the point = ( 0,0)