PLS HELP!! Which of the following conjunctions matches the graph?
6≤y+3≤8
6≤y-3≤8
6≥y-328
None of the choices are correct.
Answers
A mathematical phrase in which the sides are not equal is referred to as being inequal. In essence, a comparison of any two values reveals whether one is less than, larger than, or equal to the value on the opposite side of the equation.
here, conjunctions matches the graph is 6 ≥y-3 ≥ 8
What is inequality ?a declaration of an order relationship between two numbers or algebraic expressions, such as greater than, greater than or equal to, less than, or less than or equal to.A mathematical phrase in which the sides are not equal is referred to as being inequal. In essence, a comparison of any two values reveals whether one is less than, larger than, or equal to the value on the opposite side of the equation.Long-term social and economic development is under danger due to inequality, which also harms property reduction and undermines people's sense of fulfillment and self-worth. Crime, sickness, and environmental destruction can all result from this.To learn more about : Inequality
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Related Questions
At the bicycle shop there are 23 bicycles and 18 tricycles. Each bicycle has 2 wheels, and each tricycle has three wheels. How many wheels are there at the bicycle shop?
Answers
Answer:
There are 100 wheelsStep-by-step explanation:
GivenNumber of bicycles = 23,Number of tricycles = 18Total number of wheels23*2 + 18*3 = 46 + 54 = 100Find the difference of (4y2 - 2y - 5) and (y² - y + 8).4у2 - 3у - 133у2 - у - 135y2 - 3y + 33у2 - 3у + 3
Answers
We must find the difference between the following polynomials:
[tex]\begin{gathered} f_1(y)=4y^2-2y-5, \\ f_2(y)=y^2-y+8. \end{gathered}[/tex]The difference between the polynomials is obtained by subtracting the coefficient of terms with equal power of y:
[tex]\begin{gathered} f_1(y)-f_2(y) \\ =\left(4y^2-2y-5\right)-\left(y^2-y+8\right) \\ =\left(4y^2-y^2\right)+\left(-2y+y\right)+\left(-8-5\right) \\ =3y^2-y-13. \end{gathered}[/tex]Answer3y² - y - 13
Which does NOT represent a valid argument?Anyone who buys a boat will go water skiing.Ivan bought a boat.Ivan will go water skiing.Everyone who went to the football gamecheered.Maria cheered.Maria went to the football game.If the Nationals win the playoffs, then I will behappy.O if I am happy, then I will have a party.If the Nationals win the playoffs, then I will have aparty.Everyone who studies Geometry will pass theSOL.Everyone who passes the SOL will be exemptfrom the exam.Everyone who studies Geometry will be exemptfrom the exam,
Answers
the statement that does not represent a valid arguement is,
Everyone who went to the football game cheered.
Maria cheered.
Maria went to the football game.
A rectangular pool is surrounded by a walk 3 meters wide. The pool is 5 meters longer than its width. If the total area of the pool and walk is 270 square meters more than the area of the pool, find the dimensions of the pool.
Answers
The length and width of the rectangular pool are respectively; Length = 22 meters and Width = 17 meters
What is the area of the rectangle?Area of the pool which is a rectangle has the formula;
A = Length(L) * Width(w)
Let the width of the pool = x
Then the length will = (x + 5)
Since the walkway is 3 meters wide, It means that the overall dimensions will be (x + 6) by (x + 5 + 6) or (x + 11)
Total area - pool area = 270
Thus;
(x + 11) * (x + 6) - x(x + 5) = 270
x² + 11x + 6x + 66 - x² - 5x = 270
17x - 5x + 66 = 270
12x + 66 = 270
12x = 270 - 66
x = 204/12
x = 17
Length of pool = x + 5 = 17 + 5 = 22 meters
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Identify the function in which y varies directly with x.
Answers
Let the function in which "y" varies directly with "x" be y = kx where "k" is the proportionality constant and y ∝ x
As per the question statement, We are supposed to write any function in which "y" varies directly with "x" i.e., y ∝ x
Let's say y = kx be the function where "k" is the proportionality constant and y ∝ x.
Now let x = 3 and y = 6, so 6 = k*3
or k = 3
Hence for any value of "x" value of "y" would be k times the value of x and this is called the direct proportion relationship.
Hence, the function in which "y" varies directly with "x" be y = kx where "k" is the proportionality constant and y ∝ x
Function: An statement, rule, or law in mathematics that specifies the connection between an independent variable and a dependent variable (the dependent variable).Proportionality constant: The ratio connecting two given numbers in what is known as a proportional relationship is the constant of proportionality. The constant ratio is another term for the constant of proportionality.To learn more about function and proportionality constant, click on the link given below:
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Ordering Decima
A) Write each set of decimals in increasing order.
1)
14.78, 46.1, 25.5, 14.8, 32.32
2)
37.44, 9.32, 16.49, 9.67, 37.91
Answers
Increasing order :
1) 14.78 , 14.8 , 25.5 , 32.32 , 46.1
2) 9.32 , 9.67 , 16.49 , 37.44 , 37.91
What is ascending order ?
Numbers can be arranged in ascending order, from least value to highest value. The arrangement is left to right. Increasing order is another name for ascending order.The base-10 number system is known as the decimal system.The accepted method for representing both integer and non-integer numbers is the decimal numeral system.It is the extension to non-integer numbers.Decimal notation is the term used to describe the method of representing numbers in the decimal system.To learn more about ascending order refer :
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simplify the equation
Answers
The simplified expression of the equation given as (x² - 16)/(x² -2x - 3) ≤ 4 is 3x² -8x + 4 ≥ 0
How to simplify the equation?From the question, we have the following parameters
(x² - 16)/(x² -2x - 3) ≤ 4
Multiply both sides of the expression by (x² -2x - 3)
So, we have the following representation
(x² -2x - 3) * (x² - 16)/(x² -2x - 3) ≤ 4 * (x² -2x - 3)
Evaluate the products in the above expression
So, we have the following equation
(x² - 16) ≤ 4 * (x² -2x - 3)
Open the brackets
This gives
x² - 16 ≤ 4x² -8x - 12
Collect the like terms in the above expression
So, we have the following equation
0 ≤ 3x² -8x +4
Rewrite the expression as
3x² -8x + 4 ≥ 0
Hence, the simplified expression of the equation is 3x² -8x + 4 ≥ 0
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Choose a sequence of similarity transformations that maps ABC to DEF
Answers
A similarity transformation is one or more rigid transformations (reflection, rotation, translation) followed by a dilation.
When a figure is transformed by a similarity transformation, an image is created that is similar to the original figure
In this case, the sequence of transformation that maps ABC to DEF is as follow:
• Reflection across the x-axis
,• A scale factor of 2
It is a reflection across the x-axis because the image is turned upside down and it is enlarged because:
[tex]\frac{DE}{AC}=\frac{4}{2}=2[/tex]Hence Option A is correct
Kendall is investing in the stock market and has a maximum budget of $9,900 with which to purchase stock in two promising companies. Stock in the software company currently sells for $38 per share. Stock in the robotics company is currently trading at $49 per share.
Answers
The solution is 38x+49y<9,900 of investing in the stock market.
What is the Equation of inequality?The idea of inequality can be used to understand this query.
Let x represent the number of stocks purchased in software firms, and y represents the number of stocks purchased in robotics companies.
$38 was placed in one software company stock.
$ was placed in one robotics firm's stock.
Total investment in the equity of the software company = 38*x
Cost of robotics firm stock as a whole: 49*y
Therefore, the overall cost should be lower than 9,900.
As a result, the equation is
38x+49y<9,900.
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What is it called when two numbers have a product of one
Answers
Answer: Reciprocals
Explanation isn't really needed but reciprocals are basically
Example:
3/4's reciprocal is 4/3 and multiplying 3/4 x 4/3 = 1
Determine if the following system of equations has no solutions , infinitely many solutions or exactly one solution .- Infinitely Many Solutions - One Solution - No Solutions
Answers
Let's begin by identifying key information given to us:
[tex]\begin{gathered} x+3y=8----1 \\ x-3y=-6---2 \\ A\text{dd equations 1 \& 2, we have:} \\ x+x+3y-3y=8-6 \\ 2x=2 \\ x=1 \\ \text{Substitute the value of ''x'' into equation 1, we have:} \\ 1+3y=8 \\ \text{Subtract ''1'' from both sides, we have:} \\ 1-1+3y=8-1 \\ 3y=7 \\ y=\frac{7}{3} \end{gathered}[/tex]Therefore, the system of equations has one solution
Please help me with this : For the coordinate grid to the right, identify a pair of congruent figures. Then determine a congruence transformation that maps the preimage to the congruent image.
Answers
SOLUTION:
From the image;
The congruent triangles are;
[tex]\Delta ZTF\cong\Delta BQY[/tex]2. The transformation that maps these triangles is;
[tex]T(-5,-1)\circ r_{(180^o,O)}(\Delta ZTF)[/tex]This means triangle ZTF was translated 5 units to the left and 1 unit down and rotated 180 degrees about the origin to get triangle BQY,
Hope you help me, I need help with the check part
Answers
1.- 3(x - 2) = 15
Solve for x 3(x - 2)/3 = 15/3
Simplifying x - 2 = 5
(x - 2) = 15/3
(x - 2) = 5
x - 2 = 5
x = 5 + 2
x = 7
Check. Substitute the value of x in the original equation and solve it
3(7 - 2) = 15
3(5) = 15
15 = 15 As the two value are the same, the solution of x is
correct.
2.- 4y + 9 - 7y = -6
Solve for y
Simplify like terms
4y - 7y + 9 = -6
- 3y + 9 = -6
-3y = -6 - 9
-3y = -15
-3y/-3 = -15/-3
y = 5
Check
4(5) + 9 - 7(5) = -6
20 + 9 - 35 = -6
29 - 35 = -6
-6 = -6 The solution is correct because both numbers are the same.
Solve for X
3-4x+5=2(8-2x)
Answers
Value of x will be 0.
What is equation?A mathematical expression with an equals sign is referred to as an equation. Algebra is widely used in equations. When performing calculations but unsure of the precise amount, algebra is used. Based on the degree, there are three different sorts of equations. Equations that are linear, quadratic, and cubic. In mathematics, an equation is a relationship between two expressions that is expressed as an equality on each side of the equal to sign. An equation would be 3y = 16, for instance.
Given Data
3-4x+5=2(8-2x)
3 - 4x + 5 = 16 -4x
3 + 5 -16 = -4x+4x
-8 = 0
Value of x will be 0.
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Factor the polynomial below. To earn full credit please share all work/calculations/thinking. You may want to do this work by hand and then upload an image of that written work rather than try to type it all out. 12t^2+t-13
Answers
Given:
The polynomial is,
[tex]12t^2+t-13[/tex]Factor the polynomial,
[tex]\begin{gathered} 12t^2+t-13=12t^2-12t+13t-13 \\ =\mleft(12t^2-12t\mright)+\mleft(13t-13\mright) \\ =12t(t-1)+13(t-1) \\ =\mleft(t-1\mright)(12t+13) \end{gathered}[/tex]Answer:
[tex]12t^2+t-13=(t-1)(12t+13)[/tex]how can you represent all the solutions y=2x
Answers
All the solutions of the equation y=2x can be represented by the points in the straight line.
We are given an equation. The equation is linear in nature. The equation is given below :
y = 2x
An equation is a mathematical statement that includes the sign 'equal to' between two expressions with equal values.
We can see that the equation is a straight line. A line is an endlessly long object with no breadth, depth, or curve in geometry. Lines are thus one-dimensional objects, even if they can exist in two, three, or higher dimensions. All the solutions to the equation can be represented by the coordinates of the points that satisfy the equation of line. The graph is attached below.
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How many weeks can Shanika withdraw money from her account
Answers
Step 1
Given;
[tex]\begin{gathered} Money\text{ in her account \$500} \\ Money\text{ that will be left is \$200} \\ She\text{ withdraws \$25 weekly} \end{gathered}[/tex]Hence the equation from the question will be;
[tex]\begin{gathered} 500-25x=200 \\ where\text{ x= number of weeks} \end{gathered}[/tex][tex]\begin{gathered} 500-200=25x \\ 300=25x \\ x=\frac{300}{25} \\ x=12 \end{gathered}[/tex]Hence, the answer will be;
[tex]12\text{ or less weeks}[/tex]which expression is equivalent to. -2(5x + 3y)
A. 3y(5x - 2)
B 5x(-2+3y)
c -10x - 6y
-10x + 3y
Answers
The -2 multiplies each every term in the brackets. meaning -2 will multiply 5x and also 3y
[tex] = - 2(5x) - 2(3y) \\ = - 10x - 6y[/tex]
OPTION C MATCHES AS THE SOLUTION.
GOODLUCK
A triangle has sides of length 7 centimeters, 5.6 centimeters, and 4.2 centimeters. What is the perimeter?
Answers
The perimeter of the triangle is 16.8 cm.
What is a triangle?A polygon with three edges and three vertices is called a triangle. It is one of the fundamental geometric shapes. Triangle ABC is the designation for a triangle with vertices A, B, and C. In Euclidean geometry, any three points that are not collinear produce a distinct triangle and a distinct plane. According to the sides of a triangle rule, the lengths of any two sides of a triangle must add up to more than the length of the third side.So, the perimeter of the triangle:
Formula: P = a + b + cWhere a = 7, b = 5.6 and c = 4.2.Now, substitute the values in the formula as follows:
P = a + b + cP = 7 + 5.6 + 4.2P = 16.8Therefore, the perimeter of the triangle is 16.8 cm.
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A survey found that women's heights are normally distributed with mean 63.6 in. and standard deviation 3,8 in. The survey also found that men's heights are normally distributed with
mean 67.6 in. and standard deviation 3.6 in. Most of the live characters employed at an amusement park have height requirements of a minimum of 56 in. and a maximum of 62 in.
Complete parts (a) and (b) below.
a. Find the percentage of men meeting the height requirement. What does the result suggest about the genders of the people who are employed as characters at the amusement park?
The percentage of men who meet the height requirement iS
(Round to two decimal places as needed.)
%.
Since most men
the height requirement, it is likely that most of the characters are
b. If the height requirements are changed to exclude only the tallest 50% of men and the shortest 5% of men, what are the new height requirements?
The new height requirements are a minimum of
in. and a maximum of in.
(Round to one decimal place as needed.)
Answers
The percentage of men meeting the height requirement is 5.93%.The new height requirements are a minimum of 61.7 inches and a maximum of 67.6 inches.
What is probability?Mathematical explanations of the likelihood that an event will occur or that a statement is true are referred to as probabilities. A number between 0 and 1 represents the likelihood of an event, with 0 generally denoting impossibility and 1 denoting certainty. The likelihood or chance that a specific event will occur is represented by a probability. Both proportions between 0 and 1 and percentages between 0% and 100% can be used to describe probabilities. A measure of how likely something is to happen is called a probability. It gauges how likely the occurrence is to occur. The probability equation reads as follows: P(E) = Number of Favorable Outcomes/Total Outcomes.
For mean deviation of women
σ = 3.8
μ = 63.6
For mean deviation of men
σ = 3.6
μ = 67.6
The probability for men
= 5.93%
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help meeeeeeeeeeeeeeeeeeeeeeeeeee
Answers
Answer:
33
Step-by-step explanation:
you are scamming everyone. why?
The formula a = m – n represents the actual cost, a, of an item with original price m after a coupon for n dollars off is applied. Solve the formula for the amount of the coupon.
Answers
The formula for amount of the coupon is given by n = m - a.
This question can be solved using simple Linear equation. A linear equation may be defined as an expression which can be written in the form y = ax + b where a, b are coefficients and x, and y are independent and dependent variables respectively. According to question we have a formula a = m - n where a is the actual cost, m is original price and n is coupon discount. The actual cost of an item will depend on the coupon discount as well as the original cost of the item. To find the coupon amount from the formula we rearrange the equation as
a = m - n
a - m = -n
=> n = m - a which will be the required formula.
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3/4=6/x proportionsolve for x
Answers
5) x = 8
Explanation:[tex]\frac{3}{4}=\frac{6}{x}[/tex]cross multply:
[tex]\begin{gathered} 3\times\text{ x = 4 }\times\text{ 6} \\ 3x\text{ = 24} \end{gathered}[/tex]divide both sides by 3:
[tex]\begin{gathered} \frac{3x}{3\text{ }}=\text{ }\frac{\text{24}}{3} \\ x\text{ = 8} \end{gathered}[/tex]Given mn, find the value of x.
t
(9x+7)°
(10x-10)°
Answers
(9x+7=10x-10)
All terms are shifted to the left:
(9x+7-(10x-10))=0
Parentheses are used to compute terms: +(9x+7-(10x-10)), so:
9x+7-(10x-10)
the Function Domain determination
9x-(10x-10)
+7
We eliminate parenthesis.
9x-10x+10+7
All the numbers and variables are added together.
-
1x+17
Returning to the equation
+(-1x+17)
We eliminate parenthesis.
-1x+17=0
We shift every term that contains x to the left and every other term to the right.
-x=-17 \sx=-17/-1 \sx=+17
Relation of degrees of polynomials:How can you determine an equation's degree?
The degree of a term in the polynomial expression is expressed as a + b if a and b are the exponents of the many variables in a term.
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Lisa is saving for college. The account is modeled by the function:
f(x) = 250(1.25)^x
,when x represents how many years she has saved.
Xavier is also saving college. His account is modeled by this table:
X g(x)
0 200
1 270
2 364.5
3 492.08
1. After 3 years, how much does Lisa's account have in it? (Round to the hundredths
decimal place.)
2.After 3 years, how much does Xavier’s account have in it?
3.What is the positive difference in their accounts after 3 years?
Answers
Using exponential functions, it is found that:
a) Lisa's account has $489 after 3 years.
b) Xavier's account has $493 after 3 years.
c) The difference is of $4.
An exponential function is what, exactly?According to the following principle, an exponential function is modelled where the following description of the parameters is given:
The value of the function at x = 0 is known as its initial value, or a.The function's rate of change is denoted by bLisa's function is already given, while for Xavier's, the parameters are given as follows:
a = 200
b = 270/200
= 1.35
g(x) = 200 × [tex]1.35^{x}[/tex]
In 3 years, the amounts in each account will be given by the numeric values of the functions as follows:
Lisa = f(3)
= 250 (1.25)³
= 489$
Xavier = f(3)
= 200 (1.35)³
= 493$
The positive difference is given by the subtraction of the greater amount by the lesser amount, hence:
493 - 489 = 4$
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How many thousands are in 50,000
Answers
ANSWER
50
EXPLANATION
We want to know how many thousands there are in 50,000
To do this, we have to find what we will multiply by 1000 to get 50,000
That is:
[tex]\begin{gathered} x\cdot\text{ 1000 = 50000} \\ \Rightarrow\text{ x = }\frac{50000}{1000} \\ x\text{ = 50} \end{gathered}[/tex]The answer is 50.
shshshdggdgdgdggddgegegegegegs
Answers
We need to solve the following equation by completing the square:
[tex]x^2-4x-9=0[/tex]we first pass the 9 to sum in the right side
[tex]x^2-4x=9[/tex]now we add 4 in both sides of the equation, because (4/2)^2=4, obtaining
[tex]x^2-4x+4=9+4[/tex]simplifying
[tex](x-2)^2=13[/tex]then
[tex](x-2)=\pm\sqrt[]{13}[/tex]adding 2 in both sides of the equation we have that the solution is:
[tex]x=2\pm\sqrt[]{13}[/tex]Identify the 25th term of an arithmetic sequence where a1 = −7 and a18 = 95
Answers
The 25th term is 137
Explanation:[tex]\begin{gathered} \text{Given:} \\ a_1\text{ = -7} \\ a_{18}\text{ = 95} \\ a_{25}\text{ = ?} \end{gathered}[/tex]To get the 25th term, we need to find the common difference.
An arithmetic sequence is given as:
[tex]\begin{gathered} a_n=a_1\text{ + (n - 1)d} \\ \text{where a}_1\text{ = first term} \\ n\text{ = number of terms} \\ d\text{ = co}mmon\text{ difference} \end{gathered}[/tex]The formula for the 18th term will be used to find the common difference:
[tex]\begin{gathered} \text{where n = 18} \\ a_{18}=a_1\text{ + (18 - 1)(d)} \\ 95\text{ = -7 + 17d} \\ 95\text{ + 7 = 17d} \\ 102\text{ = 17d} \\ d\text{ = }\frac{102}{17} \\ d\text{ = 6} \end{gathered}[/tex]Now we can find the 25th term:
[tex]\begin{gathered} \text{where n = 25} \\ a_{25}=a_1\text{ + (25 - 1)d} \\ a_{25}=a_1\text{ + 24d} \\ a_{25}=\text{ -7 + 24(6) }=\text{ 144 - 7} \\ a_{25}=\text{ }137 \end{gathered}[/tex]The 25th term is 137
1 Type the correct answer in each box. Use numerals instead of words, Consider this quadratic equation, x2 + 2x + 7 = 21 The number of positive solutions to this equation is The approximate value of the greatest solution to the equation, rounded to Reset
Answers
Answer:
The number of positive solutions to this equation is;
[tex]1[/tex]The approximate value of the greatest solution to the equation is;
[tex]2.87[/tex]Explanation:
Given the equation;
[tex]x^2+2x+7=21[/tex]Let us subtract 21 from both sides;
[tex]\begin{gathered} x^2+2x+7-21=21-21 \\ x^2+2x-14=0 \end{gathered}[/tex]We can now solve for x using the quadratic formula;
[tex]x=\frac{-b\pm\sqrt[]{b^2-4ac}}{2a}[/tex]from the equation;
[tex]\begin{gathered} a=1 \\ b=2 \\ c=-14 \end{gathered}[/tex]substituting;
[tex]\begin{gathered} x=\frac{-2\pm\sqrt[]{2^2-4(1)(-14)}}{2(1)} \\ x=\frac{-2\pm\sqrt[]{4+56}}{2} \\ x=\frac{-2\pm\sqrt[]{60}}{2} \end{gathered}[/tex]so, we have;
[tex]\begin{gathered} x=\frac{-2\pm\sqrt[]{60}}{2} \\ x=\frac{-2+\sqrt[]{60}}{2} \\ x=2.87 \\ \text{and} \\ x=\frac{-2-\sqrt[]{60}}{2} \\ x=-4.87 \end{gathered}[/tex]Therefore, the number of positive solutions to this equation is;
[tex]1[/tex]The approximate value of the greatest solution to the equation is;
[tex]2.87[/tex]can someone solve this?2 > -3t - 10and is it an open or closed circle?
Answers
Given data:
The given inequality is 2> -3t-10.
The given inequality can be written as,
[tex]\begin{gathered} 2>-3t-10 \\ 12>-3t \\ 4>-t \\ t>-4 \end{gathered}[/tex]Thus the value of t is (-4, ∞), and it is open interval.
