Answer:
4x
Step-by-step explanation:
Let the number of Tina's stickers = x
So, Bob will have 4 times as many as Tina's = 4x stickers
Hope it helps you out!!
Amanda saves $15 per week for her summer vacation. Write an equation that she can use to.Find S, her savings after W weeks
Answer:
S= 15W
Step-by-step explanation:
Given data
We are told that Amanda saves $15 per week for her summer vacation
Let her total savings be S
and the number of weeks be W
Hence the expression for her savings is
S= 15W
What does a spring scale submerged in water measure.
Answer:
It is measuring the Buoyant Force.
Step-by-step explanation:
A spring scale shows the water-filled bottle to weigh approximately 6N in air, and nearly 0N (Zero N) when it is fully submerged in a large container of water. Since gravity is still acting on the bottle when it is submerged in the water, there must be a force of 6N pushing up on it. This is the buoyant force.
Anyone for a brainly help me out
Answer:
y<x+1
Step-by-step explanation:
Plug your slope and a point into the formula y = mx + B, in which "m" is the slope, (x, y) is a point on the line and "b" is the y-intercept, to find the equation governing the inequality line. Plugging in (0, 0), you obtain 0 = 0 + b, so b = 0. Rewriting the equation, you obtain y<x+1
test the hypothesis that the mean weight of the two sheets is equal (μ1−μ2)against the alternative that it is not (and assume equal variances). find the t-stat to 3 decimal places.
To test the hypothesis that the mean weight of two sheets is equal (μ1 - μ2) against the alternative that it is not, and assuming equal variances, we can use a two-sample t-test. The t-statistic can be calculated using the following formula:
t = (x1 - x2) / (s_p * sqrt(1/n1 + 1/n2))
where:
x1 and x2 are the sample means of the two sheets,
s_p is the pooled standard deviation,
n1 and n2 are the sample sizes.
The pooled standard deviation (s_p) can be calculated using the following formula:
s_p = sqrt(((n1 - 1) * s1^2 + (n2 - 1) * s2^2) / (n1 + n2 - 2))
where:
s1 and s2 are the sample standard deviations.
To calculate the t-statistic, we need the sample means, sample standard deviations, and sample sizes.
Once you provide the specific values for these variables, I can assist you in calculating the t-statistic to 3 decimal places.
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To test the hypothesis that the mean weight of the two sheets is equal (μ1 - μ2) against the alternative that it is not, we can use a paired t-test assuming equal variances. The paired t-test is used when we have paired data or measurements on the same subjects or objects.
The t-statistic for a paired t-test is calculated as follows:
t = (X1 - X2) / (s / √n)
where X1 and X2 are the sample means of the two samples, s is the pooled standard deviation, and n is the number of pairs.
Please provide the sample means, standard deviation, and sample size for each sheet so that we can calculate the t-statistic to 3 decimal places.
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Determine whether the following statement make sense or does not make sense, and explain your reasoning. I'm working with a quadrantal angle 0 for which sinθ is undefined.
Quadrantal angles lie on coordinate axes, and the sine function applies to all angles, including quadrantal angles.
The statement does not make sense because the sine function is defined for all angles, including quadrantal angles. A quadrantal angle is an angle that lies on one of the coordinate axes (0°, 90°, 180°, or 270°) in the Cartesian coordinate system. In trigonometry, the sine function relates the ratio of the length of the side opposite an angle to the length of the hypotenuse in a right triangle. The sine function is defined for all angles, including the quadrantal angles.
For example, when dealing with the angle 0°, which is a quadrantal angle, the sine of 0° is defined and equal to 0. The sine function takes an angle as input and outputs a value between -1 and 1, representing the ratio of the opposite side to the hypotenuse in a right triangle. Therefore, the statement that "sinθ is undefined" for a quadrantal angle does not make sense as the sine function is defined for all angles, including quadrantal angles.
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) Travis wrote a $53 check for a new pair of shoes. Then, he withdrew $40 from his bank account. What
the integer represents the change to his bank account balance after the two transactions?
Answer:
-93
Step-by-step explanation:
what is the prime factorization of 540
WHO EVER GETS IT RIGHT WILL GET TO BE THE BRAINLIEST!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
540= 2x2x3x3x3x5
or
540= \(2^{2}\)x\(3^{3}\)x5
Step-by-step explanation:
I NEED HELP ASAP ! THIS IS FOR A PAST DUE QUIZ. THEY ARE GIVING ME ONE MORE CHANCE
Answer:
3b/2 + 3
Step-by-step explanation:
The formula to calculate perimeter of rectangle is 2l + 2w
The length is half the width so length is 1/2 (b/2 +1), which when simplified is b/4 + 1/2
Using the formula to calculate perimeter you can substitute and calculate
p= 2l + 2w
p= 2(b/4 + 1/2) + 2(b/2 + 1)
p= 2b/4 +2/2 + 2b/2 +2
p= 1/2b + 1 + b + 2
p= 3/2b + 3
Simplified it's 3b/2 +3
Solve the equation: |3y + 14| = −6y
A.{14/3}
B.{−14/9}
C.{14/3,−14/9}
D.{−14/9, 14/3}
if you want just tell me the numbers
Compute the z score for the applicant. Applicant's score 21.0; Mean 18.0; Standard Deviation - 3.0 O2.0 O-10 10 O-20 O None of these
To compute the z-score for the applicant, we can use the formula:
z = (x - μ) / σ
Where:
x is the applicant's score
μ is the mean
σ is the standard deviation
Given that the applicant's score is 21.0, the mean is 18.0, and the standard deviation is -3.0, we can substitute these values into the formula to calculate the z-score.
z = (21.0 - 18.0) / (-3.0)
z = 3.0 / -3.0
z = -1.0
Therefore, the z-score for the applicant is -1.0.
The correct option is O-10.
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Find the missing side lengths. Leave your answer as radicals in simplest form.
The values of the sides are;
41. x = 18√3. Option D
42. x = 6√3. Option A
How to determine the valuesUsing the different trigonometric identities, we have;
41. Using the tangent identity, we have;
tan 60 = 9√2/y
cross multiply the values
y =9√2 ×√3
y = 9√6
Using the sine identity;
sin 45 = y/x
1/√2 = 9√6/x
cross multiply the values, we have;
x = 9√2 ×√3 ×√2
x = 18√3
42. Using the cosine identity
cos 60 = 3√3 /x
cross multiply, we have;
x = 6√3
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Consider a single spin on the spinner shown below. A circle is split into sections 1, 2, 4, and 3. A spinner is pointing at number 2. Sections 1 and 2 are shaded. Which events are mutually exclusive? Check all that apply. landing on an unshaded portion and landing on 2 landing on a shaded portion and landing on 3 landing on a shaded portion and landing on an even number landing on an unshaded portion and landing on a number greater than 3 landing on a shaded portion and landing on an unshaded portion
Answer:
The answer is "Options A, B, and E represent mutually exclusive events".
Step-by-step explanation:
Two occurrences that can happen immediately called mutually incompatible. Let's now glance at our options and figure out where the statements are mutually incompatible events.
In Option A: You could see that landing on an unwanted portion and arriving on 2 are events that are locally incompatible, even as undesirable portion contains 3 and 4, and 2 were shaded.
In Option B: Arriving on a shaded part and falling on 3 are also mutually incompatible because there are 3 on a windows azure.
In Option C: A darkened portion and an increasing amount can land while 2 would be an even number as well as on the shaded portion. That number is very much the same.
In Option D: At the same time as 4 is greater than 3 and it is situated upon an undistressed section, landing and attracting a number larger than 3 can happen.
In Option E: Landing on a shaded part and landing on even a shaded part is an excluding event, since shaders may either be shaded or unlit.
Answer:
first, second and fifth
Step-by-step explanation:
edge 2021
7. MP Persevere with Problems The greenhousetemperatures at certain times are shown in the table.The greenhouse maintains temperatures between 65°Fand 85°F. Suppose the temperature increases at a constantrate. Create a graph of the time and temperaturesat each hour from 1:00 P.M. to 8:00 P.M. Is the relationshipproportional? Explain.
We are given a table of temperatures that are being maintained at different times in a greenhouse . We are to consider that the temperatures increase at a constant rate and we are asked to create a graph for this.
What expression should be used to access the first element of an array of integers called numbers? What expression should be used to access the last element of numbers, assuming it contains 10 elements? What expression can be used to access its last element, regardless of its length?
To access the first element of an array of integers called "numbers," you can use the expression:
numbers[0]`
This expression uses the array name "numbers" and the index "0" to access the first element.
To access the last element of "numbers," assuming it contains 10 elements, use the expression:
`numbers[9]`
Here, we use the index "9" since arrays are zero-indexed, meaning the last element in a 10-element array has an index of 9.
To access the first element of the array called numbers, we would use the expression "numbers[0]."
To access the last element of the array, assuming it contains 10 elements, we would use the expression "numbers [9]" since arrays are zero-indexed in most programming languages.
To access the last element of the array regardless of its length, we can use the expression "numbers [numbers.length-1]," which subtracts 1 from the length of the array to access the last element.
To access the last element, regardless of its length, use the expression:
'numbers [numbers. length - 1]'
This expression uses the "length" property of the array to find the total number of elements and subtracts 1 to get the correct index for the last element.
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Solve the following systems of equations using Gaussian Elimination. 2x + 3y + z = 2 y + 5z = 20 -x+2y+3z = 13
Find the inner product of two vectors A = (2, -3,0) and B = = (-1,0,5)
The inner product of two vectors A = (2, -3,0) and B = (-1,0,5) is -2 / √(13×26).
Solving the given system of equations using Gaussian elimination:
2x + 3y + z = 2 y + 5z = 20 -x+2y+3z = 13
Matrix form of the system is
[A] = [B] 2 3 1 | 2 0 5 | 20 -1 2 3 | 13
Divide row 1 by 2 and replace row 1 by the new row 1: 1 3/2 1/2 | 1
Divide row 2 by 5 and replace row 2 by the new row 2: 0 1 1 | 4
Divide row 3 by -1 and replace row 3 by the new row 3: 0 0 1 | 5
Back substitution, replace z = 5 into second equation to solve for y, y + 5(5) = 20 y = -5
Back substitution, replace z = 5 and y = -5 into the first equation to solve for x, 2x + 3(-5) + 5 = 2 2x - 15 + 5 = 2 2x = 12 x = 6
The solution is (x,y,z) = (6,-5,5)
Therefore, the solution to the given system of equations using Gaussian elimination is (x,y,z) = (6,-5,5).
The given two vectors are A = (2, -3,0) and B = = (-1,0,5). The inner product of two vectors A and B is given by
A·B = |A||B|cosθ
Given,A = (2, -3,0) and B = (-1,0,5)
Magnitude of A is |A| = √(2²+(-3)²+0²) = √13
Magnitude of B is |B| = √((-1)²+0²+5²) = √26
Dot product of A and B is A·B = 2(-1) + (-3)(0) + 0(5) = -2
Cosine of the angle between A and B is
cosθ = A·B / (|A||B|)
cosθ = -2 / (√13×√26)
cosθ = -2 / √(13×26)
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If f(x)=x is the parent graph, then which equation represents the shown transformation?
y-axis 6 5 4 3 2 1 x=ax S 4 -3 2 -1 1 2 3 4 5 6 -1 -2.
What is transformation?It refers to the act, process, or instance of transforming or being transformed. Regarding transformative learning, Mezirow indicates learning occurs when there is a transformation in one of our beliefs or attitudes, or a change of our entire perspective. Learn more in: Connecting Teachers' Dispositions With Their Teaching Philosophies2.A process of change and development. When it refers to human transformation, it implies an internal change and growth to one’s highest potential or best oneself, which affects one’s worldview, behaviors, and thought. Learn more in: Two Languages, One Self: The Story of My Bilingual Journey3.In general it is a result of an effect of environment that changes an object. In everyday practice it is a set of actions that change the state or properties of different materials, goods, services or knowledge. Learn more in: Instructional Technologies of the XXI Century: Theoretical ApproachTo learn more about Theoretical Approach refer to:
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A transformation modifies the parent function's graph.
What is meant by Transformations?The graph of a parent function is changed by a transformation. Transformations come in three different flavors: translations, reflections, and dilations.
A point, line, or geometric object can be changed in four different ways that are all collectively referred to as transformations. The pre-image is the shape of the object as it was originally, and the transformed shape of the object is termed the image.
Making pictures or replicas of an object is part of transformation geometry. You are introduced to transformation geometry in grade 9 through the use of translation, reflection, dilation, and rotation.
The foundation of the problem transformation approach is the notion that, if we are unable to address the given problem directly, we will move it to a setting where we can do so. The method's fundamental component is how the problem is broken down into smaller tasks.
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Triple integrals Which of the following triple integrals is definite (that is, well-defined and whose result is a real number) ? Note that there may be more than one correct answer 1 zyc dac dydz 0zy | carloveldstyle sin(Zyx) dx dydz 0 0 11 SI [zyz dydz dz SITE 0 0 1 ey 1 SI zyndzdy dz 0 Oy e O Sl cos(zy) dydz dz SI 0 0 0 11 SS sin(zy a) dzda dy 0 0 1 er 1 11. I cos cos(z y) dz dy dx desde 0 0 y
The definite triple integrals that are well-defined and whose results are real numbers are 1 and 3.
The triple integral \(∫∫∫ zyc dxdydz\)over the region R defined by 0 ≤ z ≤ y and 0 ≤ y ≤ 1 is definite. In this case, the integration is carried out over a bounded region, and the integrand is a continuous function, ensuring a well-defined result. The limits of integration are finite, and the integral evaluates to a real number.
The triple integral\(∫∫∫ sin(zy^2) dydzdz\) over the region R defined by 0 ≤ z ≤ 1 and 0 ≤ y ≤ e is also definite. Similar to the first case, the integration is performed over a bounded region, and the integrand is continuous. The limits of integration are finite, leading to a well-defined result that is a real number.
Both of these integrals satisfy the conditions for definiteness, as they are over bounded regions with continuous integrands. They can be evaluated numerically to obtain their specific values.
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In Need OF HELP !!!!!!!!
helppp pleaseee :)))
Answer:
1)
Y-intercept: -3
Slope: 2
Equation: y = 2x - 3
Step-by-step explanation:
I just answered one since it was only for 5 points. :)
Use elementary row operations to transform the augmented coefficient matrix to echelon form. Then solve the system by back substitution. X₁ - 4x₂ + 5x3 = 49 2x₁ + x2 + x3 = 8 - 3x₁ + 2x₂ - 2x3 = - 32 An echelon form for the augmented coefficient matrix is What is the solution to the linear system? Select the correct choice below and, if necessary, fill in the answer box(es) in your choice. x₂ = X3 = OA. There is a unique solution, x₁ = (Simplify your answers.) OB. There are infinitely many solutions of the form x₁ = X3t where t is a real number. x₂ = (Simplify your answers. Type expressions using t as the variable.) OC. There are infinitely many solutions of the form x₁ = x₂ = S, X3 = t where s and t are real numbers. (Simplify your answer. Type expression using s and t as the variables.) O D. There is no solution.
The given linear system has infinitely many solutions of the form x₁ = x₂ = s, x₃ = t, where s and t are real numbers. Therefore, the solution to the linear system is x₁ = (7/2)x₃ - 46.5, x₂ = (13/10)x₃ - 13.5, and x₃ = t, where t is a real number.
To solve the system using elementary row operations, we can transform the augmented coefficient matrix to echelon form and then perform back substitution.
The augmented coefficient matrix for the given system is:
[1 -4 5 | 49]
[2 1 1 | 8]
[-3 2 -2 | -32]
Using elementary row operations, we can perform the following steps to transform the matrix to echelon form:
Step 1: Multiply the first row by -2 and add it to the second row.
Step 2: Multiply the first row by 3 and add it to the third row.
The updated matrix becomes:
[1 -4 5 | 49]
[0 9 -9 | -90]
[0 -10 13 | 135]
Now, let's perform back substitution to find the solution:
From the third row, we can obtain:
-10x₂ + 13x₃ = 135 --> x₂ = (13/10)x₃ - 13.5
From the second row, we can substitute the value of x₂:
9x₂ - 9x₃ = -90 --> 9((13/10)x₃ - 13.5) - 9x₃ = -90 --> x₃ = t
Finally, substituting the values of x₂ and x₃ into the first row, we get:
x₁ - 4((13/10)x₃ - 13.5) + 5x₃ = 49 --> x₁ = (7/2)x₃ - 46.5
Therefore, the solution to the linear system is x₁ = (7/2)x₃ - 46.5, x₂ = (13/10)x₃ - 13.5, and x₃ = t, where t is a real number.
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The binomial probability model is useful in many situations with variables of whatâ kind?
âDiscrete-valued numerical variables
Categorical variables
âContinuous-valued numerical variables
Bothâ discrete-valued andâ continuous-valued variables
The binomial probability model is useful in situations with discrete-valued numerical variables. Hence, the answer is option (a) discrete-valued numerical variables.
The binomial distribution is a probability model that describes the number of successes in a fixed number of independent trials, where each trial has only two possible outcomes (e.g., success or failure, heads or tails, etc.).
The binomial distribution can be used to model a wide range of real-world scenarios, such as the number of defective products in a batch of goods, the number of heads in a series of coin flips, or the number of people who respond positively to a survey question.
Therefore, the correct option is (a) discrete-valued numerical variables.
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what is the domain of the function f(x)=−2x(x−1)(x−2)?
Step-by-step explanation:
the domain of the function f(x)=−2x(x−1)(x−2) is all the real numbers.
so the correct answer is c. (-oo , oo)
\((-\infty, \infty)\)
===============================================================
Explanation:
The domain is the set of all allowed x inputs of a function.
For this function, the domain is the set of all real numbers. This is because we can replace x with any number we want. There isn't any worry about division by zero errors for instance. We also don't have to worry about square roots of negative numbers.
The set of real numbers can be represented by the interval \(-\infty < x < \infty\) telling us x can span from negative infinity to positive infinity. We can't reach either endpoint.
That compound inequality then condenses to the interval notation \((-\infty, \infty)\). The use of parenthesis says to exclude the endpoint.
Evaluate 9-5+(48/2)x5x7+6
Answer:850
Step-by-step explanation:
I hope it helps
Let p represent: angleA and AngleB are supplementary. Let q represent: m angle A + m angle B = 180°.
Translate the following statement into symbolic form.
m angle A +m angle B = 180° and are supplementary.
Answer:
q ^ p
Step-by-step explanation:
The symbolic form of the statement would be:
q ∧ p
Where q represents "m angle A + m angle B = 180°" and p represents "angle A and Angle B are supplementary".
The ∧ symbol represents "and" in logic, so the statement can be read as "q and p".
The length of a rectangle i 2cm greater than the width of the rectangle. The perimeter of the rectangle i 24cm
The length of the rectangle is 7 cm and the width is 5 cm.
Perimeter of a rectangle:The whole distance covered by the rectangle's borders or its sides is known as its perimeter. As we know the rectangle will have 4 sides then the perimeter of the rectangle will be equal to the total of its four sides. And the unit will be in meters, centimeters, inches, feet, etc.
The formula for the Perimeter of the rectangle is given by
Perimeter = 2( Length + Width )Here we have
The length of a rectangle is 2cm greater than the width of the rectangle
And perimeter of the rectangle = 24 cm
Let x be the width of the rectangle
From the given data,
Length of the rectangle = (x + 2) cm
As we know Perimeter of rectangle = 2(Length+width)
=> Perimeter of rectangle = 2(x+2 + x) = 2(2x +2)
From the given data,
Perimeter of rectangle = 24cm
=> 2(2x +2) = 24 cm
=> (2x +2) = 12 [ Divided by 2 into both sides ]
=> 2x = 12 - 2
=> 2x = 10
=> x = 5 [ divided by 2 into both sides ]
Length of rectangle, (x+2) = 5 + 2 = 7 cm
Therefore,
The length of the rectangle is 7 cm and the width is 5 cm.
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if i flip a coin 4 times what is the probability of getting at least 1 head
Answer:
at least 80%
Step-by-step explanation:
Lightning struck seven times in four minutes during a storm. On average, the next storm had lightning strikes two more times per minute than the first storm. How many times did lightning strike in six minutes of the second storm?
Answer: Lightning struck 22.5 times in 6 minutes, of the second storm.
First Storm
7/4= 1.75 strikes per minute
Second Storm
1.75+2=3.75
3.75*6=22.5 strikes in the second storm
Answer
so uh
Step-by-step explanation:
thats how to solve
the sum of emma's age and her sister's age is 48 years. emma's age is 6 years less than twice her sister's age. what is emma's age, and what is her sister's age?
Which system of equations has one solution?
What is the solution to 3x2 + 4x - 8 = 0?
Answer:
The answer is c
Step-by-step explanation: