Inequalities are used to represent the unequal expressions
The inequality is \(84x > 588\), and the possible values of x are greater than 7
How to determine the inequalityThe width is given as;
Width = 14 feet
The length is given as:
Length = 6x
The area of the play area is the product of its dimensions.
So, we have:
\(Area = 14 * 6x\)
\(Area = 84x\)
The area must be greater than 588 square feet.
So, we have:
\(84x > 588\)
Divide both sides by 84
\(x > 7\)
Hence, the inequality is \(84x > 588\), and the possible values of x are greater than 7
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Find the angle of smallest possible positive measure coterminal with the given angle. \( -173^{\circ} \) \( 187^{\circ} \) \( 367^{\circ} \) \( 173^{\circ} \) \( 7^{2} \)
The angles of smallest possible positive measure coterminal with the given angle \( -173^{\circ} \) \( 187^{\circ} \) \( 367^{\circ} \) \( 173^{\circ} \) \( 7^{2} \) are 187° and 7°.
To find the angle of the smallest possible positive measure coterminal, we add multiples of 360 to the angle until we get the smallest possible positive measure.
Here are the steps for each given angle:-
For -173°:We add 360 until we get a positive angle.
That is:$$-173^{\circ}+360^{\circ} = 187^{\circ}$$
Therefore, the angle of smallest possible positive measure coterminal with -173° is 187°.-
For 187°:Since 187° is already a positive angle, it is the angle of smallest possible positive measure coterminal with itself.
For 367°:We subtract 360 from 367° until we get an angle less than 360.
That is:$$367^{\circ}-360^{\circ} = 7^{\circ}$$
Therefore, the angle of smallest possible positive measure coterminal with 367° is 7°.-
For 173°:Since 173° is already a positive angle, it is the angle of smallest possible positive measure coterminal with itself.
For 72:Since 72 is not an angle measure in degrees, it cannot have an angle of smallest possible positive measure coterminal with it.
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A complete collection of all elements (scores, people, measurements, and so on) to be studied is called the Group of answer choices sample population parameter grade
The correct option is B. The complete collection of all elements, individuals, measurements, scores, or other entities that are of interest and relevant to a particular study or analysis is called the population.
A collection is a group of items that have been gathered or accumulated together based on a particular theme or purpose. Collections can be made up of physical objects such as books, stamps, coins, or artwork, as well as digital items like photos, music, or videos. Collections can also refer to data structures in computer programming that hold groups of related items.
People often collect items as a hobby or passion, and the act of collecting can bring a sense of fulfillment, enjoyment, and satisfaction. Collections can have both sentimental and monetary value, and they may be displayed in personal or public settings, such as museums or galleries. The process of collecting often involves researching and acquiring new items, as well as organizing and preserving the existing collection.
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The point (-2,-3) is rotated 90 degrees counterclockwise using center (0,0). What are the coordinates of the image?
Answer:
(3, -2)
Step-by-step explanation:
the formula for this is (x, y) ---> (-y, x)
what is the forecast for july using a four-month moving average?
The forecasted sales for July using a four-month moving average would be 44. This is based on the actual sales figures from March to June and assumes that the sales trend will continue.
To calculate the four-month moving average forecast for July, we need to add up the sales from the previous four months (March, April, May, June) and divide by 4.
March = 48
April = 46
May = Forecasted sales (average of March, April, May, and June)
June = Forecasted sales (average of April, May, June, and July)
So, the forecasted sales for May would be:
(48 + 46 + May + June) / 4 = 39.5
To estimate June's sales, we use the same approach and replace the forecasted sales for May with the actual sales figure for May (40):
(46 + 40 + June + July) / 4 = 44
Since we don't have the actual sales figure for July, we use the forecasted sales for June as our forecast for July, which is 44.
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Complete question:
What is the forecast for july using a four-month moving average?
Nov: 39
Dec: 36
Jan: 40
Feb: 42
Mar: 48
Apr: 46
5. define unbiased estimator. why are unbiased estimators useful? (2 points)
An estimator is said to be unbiased if the expected value of the estimator is equal to the true value of the parameter being estimated.
Unbiased estimators are useful because they provide an estimate that, on average, is equal to the true value of the parameter, making them desirable for making accurate inferences about a population.
In statistics, an estimator is a statistic used to estimate the value of an unknown parameter in a population. An estimator is said to be unbiased if, on average, it produces an estimate that is equal to the true value of the parameter. An unbiased estimator is desirable because it provides an estimate that is, on average, accurate, which is important for making inferences about a population.
Biased estimators, on the other hand, tend to consistently overestimate or underestimate the true value of the parameter, which can lead to incorrect conclusions. Therefore, unbiased estimators are useful because they provide more accurate estimates, which can lead to more reliable inferences about a population.
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A coach chooses six out of eight players to go to a skills workshop. If order does not matter, in how many ways can he choose the players for the workshop? 6 8 28 56.
There are 28 ways to choose the players for the workshop,
A combination in mathematics is the act of choosing elements from a set that includes distinctive members so that the order of selection is not significant or unimportant.
It can be expressed by using the formula:
\(\mathbf{^nC_r = \dfrac{n!}{r!(n-r)!}}\)
From the given parameters:
Number of players to go to a skills workshop n = 8 Number of players a coach chooses r = 6∴
\(\mathbf{^8C_6 = \dfrac{8!}{6!(8-6)!}}\)
\(\mathbf{\implies \dfrac{8 \times 7 \times 6!}{6!(2)!}}\)
\(\mathbf{\implies \dfrac{8 \times 7}{2!}}\)
\(\mathbf{\implies \dfrac{8 \times 7}{2\times 1}}\)
= 28 ways
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Answer:
The answer above is correct! The answer is 28 :)
Step-by-step explanation:
What is the slope of a line parallel to the line whose equation is 6x-2y=32
Answer:
Write this:
y= -3x + 1
Step-by-step explanation:
Solve the equation:
6x -2y = 32
Subtract 6x from both sides
-2y = -6x +32
divide by negative to on both sides
y = -3x -16
ANSWER:
y = -3x (any number ,negative or positive, except 16)
The slope of the line will be 3.
What is Equation of line?
The equation of line in point-slope form passing through the points
(x₁ , y₁) and (x₂, y₂) with slope m is defined as;
⇒ y - y₁ = m (x - x₁)
Where, m = (y₂ - y₁) / (x₂ - x₁)
Given that;
The equation of parallel line is,
⇒ 6x - 2y = 32
Now,
The slope of two parallel lines are always same.
So, We find the slope of the parallel line.
Since, The standard form of equation line is,
⇒ y = mx + c
Where, m is slope of the line.
So, We can change the equation of parallel line in the standard form.
The equation of parallel line is,
⇒ 6x - 2y = 32
Add 2y both side,
⇒ 6x - 2y + 2y = 32 + 2y
⇒ 6x = 32 + 2y
Subtract 32 both side,
⇒ 6x - 32 = 2y
⇒ 2y = 6x - 32
Divide by 2, we get;
⇒ y = 3x - 16
Compare with y = mx + c, we get;
The slope of the line (m) = 3
Thus, The slope of the line will be 3.
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↑
An alligator's tail length, T, varies directly as its body length, B. An alligator with a body length of 2.8 feet has a tail length of 2 feet. What is the tail length of an alligator whose body length is 4 2 feet?
Body length, B
-Tail length, 7-
The tail length is
feet
(Type an integer or decimal rounded to the nearest tenth as needed)
The tail length of an alligator whose body length is 4.2 feet will be 3 feet.
What is direct proportionality?
Direct proportion or direct variation is the relation between two quantities where the ratio of the two is equal to a constant value. Mathematically, direct proportionality is represented by a straight line and it equation is of the form -
y = kx
k = y/x
where [k] is the constant
Given is an alligator's tail length [T] varies directly as its body length [B]. An alligator with a body length of 2.8 feet has a tail length of 2 feet.
We can write as -
tail length [T] \(\alpha\) body length [B].
Therefore -
T/B = K [Constant]
We can write -
T₁/B₁ = T₂/B₂
2/2.8 = T₂/4.2
T₂ = (2 x 4.2)/2.8
T₂ = 3 ft
Therefore, the tail length of an alligator whose body length is 4.2 feet will be 3 feet.
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Greg and Marti are racing remote control cars. The race starts at t=0 and the cars distance is measured from the start line. Both cars have a constant rate of change. Information about each of the cars during the race is shown below.
Answer:
Marti is the winnerStep-by-step explanation:
Continuation of question:The race was over after 10 seconds. The winner of the race is defined by the person who is farthest from the start line. Whose car should be crowned the winner? Use mathematics to justify your answer.Table is attached SolutionGreg
Speed = 13 ft/sStart point = 30.7 ft from start line after 2 secondsDistance from start line after 10 seconds:
30.7 + 13*(10 - 2) = 30.7 + 13*8 = 30.7 + 104 = 134.7 ftMarti
Speed = 16.5 ft/sStart point = 2 ft from start lineDistance from start line after 10 seconds:
2 + 10*16.5 = 2 + 165 = 167 ftComparing distances from the start line, 134.7 ft vs 167 ft, Marti is farthest from the start line and he is the winner.
A shopping mall has $20,000 to spend on new tiles for the floor. If each tile costs $2, how many tiles can the mall buy
oopss wrong one my bad
What is the reason for each step in the solution of the equation? 19=5x-1
Answer:
2431
Step-by-step explanation:
2 4 3 1 is the way of the answers
Find the rate of change between (3, 8) and (6, 26)
Answer:
6
Step-by-step explanation:
The slope m between the 2 points is a measure of the rate of change.
Calculate m using the slope formula
m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)
with (x₁, y₁ ) = (3, 8) and (x₂, y₂ ) = (6, 26)
m = \(\frac{26-8}{6-3}\) = \(\frac{18}{3}\) = 6
Then rate of change is 6
Si compraste 0.5mts de alambre grueso con un costo de 4.00 pesos por metro y 0.4 más de alambre delgado con un costo de 5.00 pesos por metro ¿cuanto fue el costo total en la compra de los metros de alambre
Answer:
El costo total es 4 $.
Step-by-step explanation:
Sabemos que el metro de alambre grueso cuesta 4 pesos y el metro de alambre delgado cuesta 5 pesos.
Entonces:
Costo de alambre grueso
\(0.5\: m*4\frac{\$}{m}=2\: $\)
Costo de alambre delgado
\(0.4\: m*5\frac{\$}{m}=2\: $\)
Por lo tanto, el costo total es 4 $.
Espero te haya sido de ayuda!
Assume you are saving for a trip to Europe. You plan to save $2,000 to take this trip over a period of 2 years. Your banks offers a certificate of deposit that pays 2.5% annual interest computed using simple interest. How much must you put in the CD to have the money in 2 years?
The required answer is P ≈ $1,904.76 in the CD to have $2,000 in 2 years with a 2.5% annual simple interest rate.
To determine how much you must put in the Certificate of Deposit (CD) to have $2,000 in 2 years with an annual interest rate of 2.5% using simple interest, follow these steps:
1. First, recall the simple interest formula: I = P × r × t
where,
I is the interest earned, P is the principal (initial amount) amount, r is the interest rate, and t is the time in years.
we know that the interest rate is 2.5% per year and the time period is 2 years.
2. Rearrange the formula to solve for the principal: P = I / (r × t)
3. Since you want to have $2,000 in 2 years, calculate the interest earned:
Interest earned (I) = $2,000 - (amount you need to deposit)
4. Plug the interest rate, time, and interest earned into the rearranged formula:
P = (2,000 - P) / (0.025 × 2)
5. Solve for P:
0.05P = 2,000 - P
1.05P = 2,000
P ≈ $1,904.76
You should deposit approximately $1,904.76 in the CD to have $2,000 in 2 years with a 2.5% annual simple interest rate.
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why is the domain of sin^-1(x) and cos^-1(x) are different while the domain of sin(x) and cos(x) are the same?
The domain of sin^-1(x) and cos^-1(x) are different while the domain of sin(x) and cos(x) are the same is due to the inverse properties and the range of their respective functions.
The domain of sin(x) and cos(x) are the same because both are trigonometric functions that can accept any real number as input, meaning their domain is all real numbers (-∞, ∞).However, when we consider their inverse functions, sin^-1(x) and cos^-1(x), we need to restrict their domain to ensure that these inverse functions are well-defined and unique. The range of sin(x) is between -1 and 1, so the domain of sin^-1(x) is restricted to the interval [-1, 1]. Similarly, the range of cos(x) is also between -1 and 1, but its behavior is different from sin(x), so the domain of cos^-1(x) is also restricted to the interval [-1, 1].Know more about the domain
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(q3) Find the x-coordinates of the points of intersection of the curves y = x3 + 2x and y = x3 + 6x – 4.
The x - coordinate of the point of intersection of the curves is
x = 1.
How to determine he points of intersection of the curvesTo find the x-coordinates of the points of intersection of the curves
y = x³ + 2x and
y = x³ + 6x - 4
we equate both equations and solve for x.
Setting the equations equal
x³ + 2x = x³ + 6x - 4
2x = 6x - 4
Subtracting 6x from both sides
-4x = -4
Dividing both sides by -4, we find:
x = 1
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What is the sum of the interior angles of the polygon pictured below?
Answer:
37
Step-by-step explanation: IM MAKING A GUESS IF ITS WRONG IM SORRY I TIRED
A machine operating at maximum speed is able to produce 6153 bolts per hour. What number is the closest to the amount of bolts a machine is able to produce in a 16-hour day?
If the machine produces 6153 bolts per hour then that machine produces 98448 bolts in 16 hours.
What is equation?A formula that expresses the relationship between the two expressions on each side of a sign. Typically, it has a single variable and an equal sign.
A General Rule for Equation Solving. Remove parentheses from each of the equation's sides and combine similar phrases to make it simpler. To separate a constant component with one side of the equation, use addition or subtraction.
To find the variable, use division or multiplication.
Here given that a machine can produce 6153 bolts per hour.
Let x be the number of bolts produced per hour.
x = 6153
We have to find the number of bolts produced in 16 hr.
Number of bolts produced in 16hr = 16x
By substituting,
16hr = 16x
= 16 × 6153
= 98448
So the machine produces 98448 bolts in 16 hours.
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A polynomial subtracted from a polynomial is a polynomial
Answer:
Subtracting polynomials is quite similar to adding polynomials, but there are those pesky "minus" signs to deal with. If the subtraction is being done horizontally, then the "minus" signs will need to be taken carefully through the parentheses
Step-by-step explanation:
Answer:
True
Step-by-step explanation:
This is true: the result of adding two polynomials will always be another polynomial. A polynomial is an algebraic expression made up of the sum of monomials, which are products of numbers (coefficients) and variables in positive integer exponents.
consider a 20-foot chain that weighs 2 pounds per foot hanging from a winch 20 feet above ground level. find the work done by the winch in running the winch until the bottom of the chain is at the 10-foot level.
The work done by the winch in running the winch until the bottom of the chain is at the 10-foot level is 200 foot-pounds.
Given, The weight of the chain per foot = 2 pounds
Total length of the chain = 20 feet
The chain is hanging from a winch 20 feet above ground level.
The work done by the winch in running the winch until the bottom of the chain is at the 10-foot level is to be determined.
The force required to lift the chain is equal to the weight of the chain. Therefore, the force needed is F = 2 × 20 = 40 pounds. The work done is the product of force and distance.
Therefore, Work done = force × distance= 40 × (20 − 10)= 400 foot-pounds
Thus, the work done by the winch in running the winch until the bottom of the chain is at the 10-foot level is 200 foot-pounds.
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help me please thank you :D
Answer:
5/7 - 2/6 = 16/42
Choice 4^th
Step-by-step explanation:
Given equation:
5/7 - []/6 = 16/42
To Find:
The missing numerator
Solution:
Let us assume that the missing numerator is x.
Then the equation will be:
\( = > \cfrac{5}{7} - \cfrac{x}{6} = \cfrac{16}{42} \)
Solve the equation to get our solution.
\( = > \cfrac{5}{7} - \cfrac{1x}{6} = \cfrac{16}{42} \)
You'll need to re-write this equation as:
\( = > \cfrac{ - 1x}{6} + \cfrac{5}{7} = \cfrac{8}{21} \)
Subtract 5/7 from both sides:
\( = > \cfrac{ - 1x}{6} + \cfrac{5}{7} - \cfrac{5}{7} = \cfrac{8}{21} - \cfrac{5}{7} \)
\( = > \cfrac{ - 1}{6} x = \cfrac{ - 1}{3} \)
Multiply both sides by 6/-1:
\( = > \cfrac{ \cancel{- 1}}{ \cancel6} x \times \cfrac{ \cancel6}{ \cancel{- 1}} = \cfrac{ \cancel{- 1}}{ \cancel3} \times \cfrac{ \cancel6 {}^{2} }{ \cancel{ - 1} }\)
\( = > \boxed{ x = 2}\)
Hence,
5/7 - 2/6 = 16/42
Choice 4^th
\( \rule{225pt}{2pt}\)
One subtracted from the result of tripling x and is equal to two times the difference of x and 4. Find x
I really need help, I can't decipher the sentence into a mathematical equation. ;-; I really need an answer.
Answer:
5
Step-by-step explanation:
If two is subtracted from a number: let's give the number a name and call it X . And this difference is tripled: so we get 3(X−2) . The result is 4 more than the number, so
3(X−2)=4+X .
We want to know X so we need to get it to one side of the equation. That's done by repeatedly doing the same operation on both sides of the equation. First get rid of the parentheses:
3X−6=4+X.
Now subtract X and add 6 :
2X=10
Divide by 2:
X=5
Answer:
x = 1
Step-by-step explanation:
The mathematical equation is 1-3x=2-4x
plz mark brainliest
If h(x) = (-x + 1)2 – 5 and g(x) = -x – 2, then (hog)(x) = ___ ? A. -73 + 8x + 8 I B. -x2 + 2x + 2 C. -22 D. -22 +61 +4 E. 12 + 6x +4 32.
If h(x) = (-x + 1)2 – 5 and g(x) = -x – 2, then (hog)(x) will be B. -x2 + 2x + 2.
If h(x) = (-x + 1)2 – 5 and g(x) = -x – 2, then (hog)(x) = (h(g(x)). This means that we need to plug in the value of g(x) into the equation for h(x) and simplify. To get this result, first use the chain rule:
(hog)(x) = h(g(x)).
So, (hog)(x) = h(g(x)) = h(-x-2) = (-(x)-2+1)2 – 5 = (-x-1)2 – 5
Expanding the square, we get:
(hog)(x) = (-x-1)(-x-1) – 5 = x2 + 2x + 1 – 5 = x2 + 2x - 4
Therefore, the correct answer is B. -x2 + 2x + 2.
Answer: B. -x2 + 2x + 2
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Learning Task 2: Find the quotient. Show how the decimal point is moved
in the divisor and the dividend. Check by multiplication. Write your
answers in your notebook.
1. 0. 03 910. 40
4. 0. 06 J25. 17
2. 0. 04 )30. 12
5. 0. 07 151. 42
3. 0. 05
120. 23
Quotient: 0.0009775. The decimal point is moved 4 places to the left in both the divisor and the dividend.
Quotient: 0.0023835. The decimal point is moved 2 places to the left in both the divisor and the dividend.
By moving the decimal point in the divisor and the dividend, we can perform long division to find the quotients. To check the dividend, we can multiply the quotients by the divisor and see if the result matches the dividend.
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American Airlines randomly selects 100 flights during a certain week and surveys all passengers on the flights What type of sampling is used? O A. Simple random OB. Systematic OC. Cluster D. Convenience O E. Stratified
The type of sampling that was used is a cluster.
furthered explained below
What is a cluster in math?A cluster in a data set occurs when several of the data points have a commonality. The size of the data points has no affect on the cluster just the fact that many points are gathered in one location.
How to find clusters?Clusters can be found by examining a graph or dot plot for data points grouped in a certain location. Clusters can also be found by analyzing a data set for a value that most of the data points are near.
In the given question above, each American Airlines flight is a group. 100 of them are chosen randomly, and in each group chosen, every passenger is surveyed. Hence cluster sampling was used.
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Someone please help me with this question and explain to me how to solve it
Answer:
Okay so x greater then or equal to 7
To plot ask yourself:
Open or Closed Circle:
Open->, <
Closed-Greater then or equal to or less then or equal to
Also ask:
am i ploting to the left or to the right
Step-by-step explanation:
It is going to be a closed circle, since it is greater then or equal too
And you cand use the sign so it is going to go to the left <------ (that way)
You can use the sign to guied you ex: x>5 you are going to the right ---->
Also, for this topic just know if the equation is like this: 3>x
MAKE SURE TO SWICH IT TO THIS:
x<3
YOU HAVE TO SWITCH THE EQUATION AROUND AND THE SIGN
I hope this helped! :D
Which equation has infinite solutions for x?
Answer:
Equation 3
Step-by-step explanation:
Bad weather stopped a cricket game for 35 minutes of a schedule 3 1/2 hour match. What percentage of the schedule time was lost?
The percentage of the scheduled time lost was 16.7%
What is Percentage?Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100.
Percentage is a number or ratio expressed as a fraction of 100. It is often denoted using the percent sign, "%".
Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100. It is given by:
Percentage = (value / total value) * 100%
Time stopped = 35 mins
Scheduled time = 3 1/2 hour
converting to mins
3 1/2 hour = 210 mins
% lost = (35/210) x 100
% lost = 16.7%
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Use algebraic of equations to predict the solution type to the system of equations. Include all of your work for full credit. \(f(x) = \left\{ x+y=-4 y=2x-1\right.\)
The solution to the given simultaneous equations are;
x = 5/3 and y = 7/3
How to solve simultaneous equations?We are given the two simultaneous equations as;
x + y = 4
y = 2x -1
Rearranging the second equation to have all the variables on one side gives; 2x - y = 1
Thus, we have the equations;
x + y = 4 ------(1)
2x - y = 1 -----(2)
Add eq 1 to eq 2 to get;
3x = 5
divide both sides by 3 using division property of equality to get;
x = 5/3
Put 5/3 for x in eq 1 to get;
⁵/₃ + y = 4
y = 4 - ⁵/₃
y = ⁷/₃
Thus, those are the solutions to the simultaneous equations.
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2.
Today, everything at a store is on sale. The store offers a 20% discount.
A.the regular price of a t-shirt is $18.what is the discount price?
Answer:
3.6
Step-by-step explanation:
20% of $18
20/100 x 18 = 180/50 =3 30/50 = 3 60/100 = 3.6