The unit price of the insulated socks is $6.89
What is unit price?The unit price of an item is the cost per unit of the item. We divide the price of certain number of units of an item by the number of units to find the unit price of that item.
We want to find the unit price for the insulated socks, or the price per pair of insulated socks. To find the unit price, we must divide the cost by the pairs of socks
We know that it costs $41.34 for 6 pairs of socks.
That is $41.34/6
=$6.89
The unit price is $6.89 per pair of insulated socks.
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Prove that 1*1!+2*2!+...+n*n!=(n+1)!-1 whenever n is a positiveinteger.
How you go from (k+1)(k+1)![1+(k+1)]?
For any positive integer n, 1 × 1! + 2 × 2! + . . . + n × n! = (n + 1)! - 1
We use mathematical indution technique to prove 1 × 1! + 2 × 2! + . . . + n × n! = (n+1)! - 1, for a positive integer n.
Let T(n) be the given expression 1 × 1! + 2 × 2! + . . . + n × n! = (n+1)! - 1
For n = 1,
1 × 1! = 1
and (1 + 1)! - 1 = 1
This means T(1) is true.
Assume that T(k) is true.
So, 1 × 1! + 2 × 2! + . . . + k × k! = (k + 1)! - 1
We need to prove T(k + 1) is also true.
i.e., to prove: 1 × 1! + 2 × 2! + . . . + (k + 1) × (k + 1)! = ((k + 1) + 1)! - 1
Consider,
1 × 1! + 2 × 2! + . . . + (k + 1) × (k + 1)!
= 1 × 1! + 2 × 2! + . . . + k × k! + (k + 1) × (k + 1)!
= (k + 1 )! - 1 + (k + 1) × (k + 1)!
= (1 + k + 1)(k + 1)! - 1
= (k + 2)(k + 1)! - 1
= (k + 2)! - 1
= ((k + 1) + 1)! - 1
This means, T(k+1) is also true.
So, T(n) is true for all positive integers n .
Hence proved.
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***PLEASE HURRY*** 40 points
Which Number Sentence is True?
Answer:
B is true
Step-by-step explanation:
Square root of 32 comes out to be around 5.7 which is greater than 4.8. Rest are false.
What value of x makes the equation -4x-(-10-8x) = -(12x-14) true?
The value of variable x that makes -4x-(-10 - 8x) = -(12x-14) true is 1/4. thus, option c is correct.
What is variable?In algebra, a symbol known as a variable (typically a letter) is used to represent an equation's undetermined numerical value. Frequently used variables include t, r, and s, as well as X and Y, which are real-number unknowns, as well as z, which is a complex-number unknown (arc length).
What value of x in -4x-(-10 - 8x) = -(12x-14)?Given
-4x-(-10 - 8x) = -(12x-14)
-4x + 10 + 8x = -12x + 14
4x + 10 = 14 - 12x
4x + 12x = 14 - 10
16x = 4
x = 4/16
x = 1/4
Thus, Option C is correct, x = 1/4
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4x-16=2x+6
Find x please i really need this lol
Answer:
x = 11
Step-by-step explanation:
4x - 16 = 2x + 6
4x - 2x = 6 + 16
2x = 22
x = 11
-------------------------------
check
4 × 11 - 16 = 2 × 11 + 6
44 - 16 = 22 + 6
28 = 28
the answer is goodAnswer: x=11
Step-by-step explanation:
4x-16=2x+6
Start by combining like terms cancelling out the smaller one.
4x(-2x)-16=2x(-2x)+6
Then cancel out -16 so you get the variable x by itself.
2x-16(+16)=6(+16)
Then divide both sides by 2 to get x value.
2x/2=22/2
x=11
A right trample has side lengths that are consecutive integers and a perimeter of 12 feet. What are the angles of the triangle?
Answer:
Angles of the triangle are 90°, 50.77° and 39.23°.
Step-by-step explanation:
Complete the table.
$x$ 3 6 9
The complete table would be such that the corresponding x and y - values would be:
x 3 6 9y 24 48 72How to complete the table ?The values of x are given as x is the independent variable. Those values are 3, 6, and 9.
The values of y can be found as x . 8 which means that the values of y would be the corresponding value of x, multiplied by y.
The values of y would then be:
= x . 8
= 3 x 8
= 24
X - value of 6 :
= 6 x 8
= 48
x - value of 9 in the table :
= 9 x 8
= 72
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16. The height of an office building is 623 feet. Express this height
the nearest metre using 1 m = 3.281 feet.
Answer:
190m is 623.39ft
189m is 620.109
all real numbers greater than or equal to -5
the probability possible amounts of time for which they could rent the meeting room for a maximum of six hours
What is probability?A branch of mathematics known as probability measures the possibility of an event happening or a proposition being true. The probability of an occurrence is a number between 0 and 1, where roughly 0 denotes the event's improbability and 1 denotes certainty. A probability is a numerical representation of the possibility or probability that a specific event will take place. Probabilities can alternatively be stated as percentages ranging from 0% to 100%, or as percentages from 0 to 1. the proportion between the number of events in a comprehensive collection of equally likely outcomes that lead to a certain occurrence and the entire number of outcomes.
[tex]t = time\\44 + 7.30t < 87.80\\7.30t < 43.80\\t < 6[/tex]
They may reserve the room for a maximum of six hours.
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whats the surface area of the box 4in. 10in. 8in.
Answer:
320in
Step-by-step explanation:
Brainliest?
Answer:
surface area of the box = l×w×h
surface area = 10× 8 × 4 = 320in
Ronald is making hats and scarves for charity. He has enough yarn to make 5 hats and 8 scarves. It takes him 12 hours to knit a hat and 6 hours to knit a scarf; he has 20 hours to knit. Let x represent the number of hats made. Let y represent the number of scarves made. Which inequalities are among the constraints for this situation? select each correct answer.
the total number of hats and scarves he can make cannot exceed 13.
x ≤ 5
y ≤ 8
x + y ≤ 13
x ≤ 5 represents the most hats Ronald can make, which is 5. y ≤ 8 represents the most scarves Ronald can make, which is 8.
x + y ≤ 13 represents the total number of hats and scarves Ronald can make, which is 13.
The inequalities among the constraints for this situation are x ≤ 5, y ≤ 8, and x + y ≤ 13.
The given situation is that Ronald has enough yarn to make 5 hats and 8 scarves, and it takes him 12 hours to knit a hat and 6 hours to knit a scarf; he has 20 hours to knit. The inequalities among the constraints for this situation are x ≤ 5, y ≤ 8, and x + y ≤ 13. This means that Ronald can make a maximum of 5 hats, 8 scarves, or a combination of the two that is no more than 13 in total. x stands for the number of hats made, and y stands for the number of scarves made. In order for Ronald to meet the constraints, he must make at least one hat and one scarf, and the maximum number of hats he can make is 5 and the maximum number of scarves he can make is 8. Additionally, the total number of hats and scarves he can make cannot exceed 13.
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Inequality representing the constraints for the given situation of making hats and scarves is given by :
x ≤ 5
y ≤ 8
12x + 6y ≤ 20
As given in the question,
Let 'x' represents the number of hats made by Ronald.
And 'y' represents the number of scarves made by Ronald.
As per given condition for hat and scarves , the inequality of constraints to represents the given situation is written as :
Enough yarn represents the quantity:
x ≤ 5
y ≤ 8
Knitting represent the inequality of time,
Time to knit hats is 12 hours
Time to knit scarves is 6 hours
Total time to knit is 20 hours
12x + 6y ≤ 20
Therefore, the inequality to represents the constraints of the given situation is given by :
x ≤ 5
y ≤ 8
12x + 6y ≤ 20
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I need answers really badly
The area of the trapezium is 21cm²
What is a trapezium?You should know that a trapezium is a quadrilateral with two parallel opposite sides while thw other two are not parallel.
The area of the trapezium is denoted by the formular
Area= 1/2(a+b)*h
Where
a= first sideb= second side and h= height of the trapeziumWe are told that the trapezium occupies centimeter grid
a= = 5, b=9 and h=3
This implies that Area = 1/2*(5+9)*3
Area= 1/2*14*3
=7*3 =21 cm²
In conclusion the trapezium has an area of 21cm²
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In ANOVA, which of the following is not affected by whether or not the population means are equal? between-samples estimate of o 2 within-samples estimate of o 2 None of these alternatives is correct.
In Analysis of variance, X (bar) is not affected by whether or not the population means are equal.
Analysis of variance is a statistical method for examining differences in means. It consists of a number of statistical models and the accompanying estimating techniques (such as the "variation" within and between groups). Ronald Fisher, a statistician, created Analysis of variance. The rule of total variance, on which the Analysis of variance is based, divides the observed variance in a given variable into components owing to various causes of variation.
ANOVA generalizes the t-test beyond two means by offering a statistical test to determine if two or more population means are equal. In other words, the Analysis of variance is employed to determine whether two or more means differ from one another.
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How do you find the domain and range of a ln function?
The domain and range of a ln function can be found out easily from their graphical representation.
Consider a function y = f(x) , where x here is the input and y is the output of this function.
So we can define the domain of a function as all possible set of inputs and range as all the outputs that domain will give. The spread of all the y values from minimum to maximum is the range of the function here. Coming to the logarithmic functions domain and range can be found in following ways :
Set the argument in ln(x) greater than 0 to find where the expression is defined. The domain is all values of x that make the expression defined. The range is the set of all valid y values. Use the graph to find the range.
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the dilation of a line segment is longer or shorter based on the ratio given by the ______ ______
Answer:
scale factor
Step-by-step explanation:
The dilation of a line segment is longer or shorter based on the ratio given by the scale factor.
In a reflection the pre-image and image are not congruent. TRUE OR FALSE
Answer: True
Step-by-step explanation: Because all your doing is flipping it
Simplify into standard form
(3x-5) (3x-6)
Answer:
[tex]9x^{2} -33x+30[/tex]
Step-by-step explanation:
A customer wanted to purchase a video game and realized that they were short $4.28 to be able to pay. Which value is the opposite of being short $4.28
The opposite of being short $4.28 would be having $4.28 or more. That is a surplus or extra of $4.28.
Which value is the opposite of being short $4.28?
Surplus refers to an amount or quantity that is left over or in excess of what is needed or used. It can refer to various things, such as:
In finance, a surplus refers to an excess of revenue over expenses, or an excess of assets over liabilities. It means having more of something than is necessary or expected.
Therefore, the opposite of being short $4.28 would be having $4.28 or more. This is often referred to as having a surplus or extra of $4.28.
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How do I solve p = 2 - 9
The solution of the equation p = √2 - p is as follows: p = 1 and p = -2
How to solve equation?Equations are mathematical statements containing two algebraic expressions on both sides of an 'equal to (=)' sign. Therefore, let's solve the equation as follows;
let's solve for the variable p in the equation
p = √2 - p
square both sides
p² = (√2 - p)²
p² = 2 - p
p² + p - 2 = 0
The equation forms a quadratic equation.
Therefore,
p² + p - 2 = 0
p² - p + 2p - 2 = 0
p(p - 1) +2(p - 1) = 0
(p - 1)(p + 2) = 0
Hence,
p = 1 and p = -2
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evaluate the integral. (use c for the constant of integration.) dx (ax)2 − b2 3/2
Integrate (ax)2 − b2 3/2 with respect to x. The result is (2/5)ax5/2 − (b2/5)x3/2 + c, where c is the constant of integration.
Integrate (ax)2 − b2 3/2 with respect to x.
First, use the power rule to rewrite the integrand as
(2/5)ax5/2 − (b2/5)x3/2.
Next, use the integration by parts formula to integrate the expression:
∫(2/5)ax5/2 − (b2/5)x3/2 dx
= (2/5)ax5/2 − (b2/5)x3/2 + c,
where c is the constant of integration.
Integrating (ax)2 − b2 3/2 with respect to x involves using the power rule and the integration by parts formula. The power rule states that when integrating a function to the nth power, the exponent is reduced by one and the coefficient is multiplied by the original exponent divided by the reduced exponent. Therefore, the integrand is rewritten as (2/5)ax5/2 − (b2/5)x3/2. The integration by parts formula is then used to integrate the expression, resulting in (2/5)ax5/2 − (b2/5)x3/2 + c, where c is the constant of integration.
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The width of a rectangle is 6t-9.5 feet and the length is 9.5t + 10 feet. Find the perimeter of the of the rectangle.
(Simplify your answer)
Answer:
14t + 38 feet
Step-by-step explanation:
Let L be the Length and W the width. The perimeter of a rectangle is given by 2L + 2W.
Perimeter = 2(9.5+t) + 2(6T+9.5)
Perimeter = 19+2t + 12T+19
Perimeter = 14t + 38 feet
carson decides to buy 6 popsicles from the ice cream truck to share with his friends on a hot summer day. he figures he'll spend at least $15 on the popsicles. let x represent how much carson expects each popsicle to cost. which inequality describes the problem?
Answer:
Step-by-step explanation:
6x [tex]\geq[/tex]15
x= $2.5
since it deals with money make it $2.50
_made my kharis:)
Carson expects to spend at least $15 on the popsicles, so the cost of each popsicle multiplied by the number of popsicles he is buying (6) must be greater than or equal to $15. Therefore, the inequality 15 ≤ 6x describes the problem.
Step 1: Let x represent the cost of each popsicle.
Step 2: Multiply 6 (the number of popsicles) by x (the cost of each popsicle): 6x
Step 3: Set the equation equal to 15 (the amount of money Carson expects to spend on the popsicles):
6x = 15
Step 4: Divide both sides of the equation by 6:
6x/6
= 15/6
Step 5: Simplify to get the answer:
x = $2.50
Carson wants to buy 6 popsicles from the ice cream truck and expects to spend at least $15. To figure out how much each popsicle should cost, I used an inequality. I let x represent the cost of each popsicle, multiplied it by 6 (the number of popsicles Carson is buying), and set the equation equal to 15 (the amount of money Carson expects to spend). After dividing both sides of the equation by 6 and simplifying, I got the answer that each popsicle should cost $2.50. Therefore, Carson should expect to spend at least $15 on the 6 popsicles.
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Emma notices that since her credit card balance compounds monthly, she is charged more than 15% of her initial loan amount in interest each year. she wants to know how much she would pay if the card were compounded annually at a rate of 15%. which expression could emma use to evaluate her balance with an annual compounding interest rate?
Emma could use the expression 300(1.15)^t to calculate her amount using a compound interest rate every year.
We know that Compound interest, also known as interest on principal and interest, is the process of adding interest to the principal amount of a loan or deposit.
The interest one earns on the previous interest is known as compound interest.
For eg - if you have $100 and it generates 5% interest annually, you will have $105 at the end of the first year.
We will have $110.25 at the end of the second year.
Now, here we know that:
Interest rate = 15%
Now, compound interest formula is given by
A = P(1 + r/n)^nt
Upon putting the values, we get 300(1.15)^t.
Therefore, Emma could use the expression 300(1.15)^t, to calculate the amount using a compound interest rate every year.
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how many solutions does this system have?
Answer:
B. One
Step-by-step explanation:
The system has one solution because when graphed, the lines intersect.
Work out the value of (2^3)^2
Answer:
64
Step-by-step explanation:
using the rule of exponents
[tex](a^{m}) ^{n}[/tex] = [tex]a^{mn}[/tex] , then
[tex](2^{3}) ^{2}[/tex]
= [tex]2^{3(2)}[/tex]
= [tex]2^{6}[/tex]
= 64
A line is perpendicular to y = x - 8
and intersects the point (2, 2).
What is the equation of this
perpendicular line?
y = [?]x + []
Hint: Use the Point-Slope Form: y - y₁ = m(x-x₁)
Then write the equation in slope-intercept form.
Enter
Amazon sells slime in packs of 15 for $45.15. Rebecca and Elyssia are selling their own slime during breaks in packs of 5 for $20.35. Who has the better deal; Amazon or the girls?
Amazon has a better price, their rate is more cheaper.
The person with the better deal can be calculated as follows ?
Amazon sells the slime as 15packs for $45.15
The price of one pack can be calculated as follows
15= 45.15
1= x
Cross multiply both sides
15x= 45.15 × 1
15x= 45.15
divide both sides by the coefficient of x which is 15
15x/15= 45.15/15
x= 3.01
one pack of slime at Amazon is $3.01
The girls sell 5 packs of slime for $20.35
The price of one pack can be calculated as follows
5= 20.35
1= y
cross multiply both sides
5y= 20.35
y= 20.35/5
y= 4.07
The girls sell 1 pack of slime for $4.07
Therefore the person with the best deal is Amazon because their price is much more cheaper
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How do you draw a line segment in 4th grade?
The first step in constructing a segment congruent to a given segment is to draw a vertex and a ray.
Step 1: draw a vertex and a ray
Step 2: Draw a line segment that is longer than the specified line segment if we are not given the line segment on which we are to create the congruent section. The portion we just sketched will be known as the second line segment.
Step 3: Place the needle of the compass at an endpoint of the second line segment.
Step 4: Draw an arc of the circle so that it intersects the line segment.
Step 5: Label the point where we placed the needle and the point of intersection using two letters. The congruent line segment we want is the line segment formed by these two endpoints.
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A study shows that 66% of all dog owners greet their dog before they greet their spouse or children when they get home from work. Assume that the claim is true and each arrival home is independent.
a.) In a series of arriving home from work, what is the probability that the first time a person doesn’t greet their dog first is on the 5th arrival home.
b.) What is the probability that a person greets their dog first on 4 or fewer of the next 10 arrivals home?
c.) Suppose that a person goes on a vacation for two weeks. When they return they greet their dog first only two out of ten days. Is this evidence that their rate is now less than 66%?
On a coordinate plane, a line with negative slope is drawn from point l to point n. point l is at (negative 6, 2) and (5, negative 3). the directed line segment from l to n has endpoints l(–6, 2) and n(5, –3). what are the x- and y-coordinates of point m, which partitions the directed line segment into the ratio 2:5? x = y =
Answer:
[tex]x = \frac{-20}{7}\\\\y = \frac{4}{7}[/tex]
Consider F(x) =2^x
Graph G (x) =2^x+2 -3 on the graph
The graph of the function [tex]G(x) = 2^x + 2 -3[/tex] is obtained from the transformation of the parent function [tex]F(x) = 2^x[/tex].
What is transformation of graph?The transformation of graph either translates, dilates or reflects the parent or the original graph according to the given instructions.
What is vertical translation?Vertical translation is the movement of the graph up or down on the y-axis depending on the units and its sign.
In the given graph when we add the value 2 the original graph shifts upwards on the y-axis by 2 units.
When 3 is subtracted from the translated graph the graph then shifts downwards on the y-axis by 3 units.
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