The value of x if the value of the perimeter of the figure is equal to the value of the area is 1.5
Area and perimeter of rectangleLength of the rectangle = 6 inWidth of the rectangle = 2x inArea of rectangle = perimeter of rectangle
Length × width = 2(length + width)
6 × 2x = 2(6 + 2x)
12x = 12 + 4x
collect like terms12x - 4x = 12
8x = 12
divide both sides by 8x = 12 / 8
x = 1.5
So,
Width of the rectangle = 2x in
= 2(1.5)
= 3 in
Therefore, the length and width of the given rectangle is 6 in and 3 in respectively
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Diana and Joby wrote the following proofs to prove that vertical angles are congruent. Who is correct? Please explain why as well to get Brainly.
O Diana is correct, but Joby is not.
O Both Diana and Joby are correct.
O Neither Diana nor Joby is correct.
O Joby is correct, but Diana is not.
The proof that is correct about vertical angles being congruent is; Joby's proof
How to prove that vertical angles are congruent?Vertical angles are defined as the angles formed when two lines meet each other at a point. They are always equal to each other and as such they are congruent.
Now, from the given image, we see that four angles are formed which are; ∠1, ∠2, ∠3, ∠4
Now, according to vertical angle theorem, we can say that;
∠2 = ∠4 and ∠1 = ∠3
Thus, we can conclude that vertical angles are congruent by the vertical angle theorem
Thus, we conclude that Joby's proof is correct.
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The mathematical relationship between the total cost for a person to bowl at the local bowling alley and the number of games played is represented by y = 3.50x + 6.00 explain how you can use this linear function to find out how many games you can bowl for $34.
If the mathematical relationship between the total cost for a person to bowl at the local bowling alley and the number of games played is represented by y = 3.50x + 6.00, then the number of games you can bowl for $34 is equal to 8.
A linear function can be described as an equation in which the highest power of the variables is not more than 1. As the linear function given is;
y = 3.50x + 6.00
Here y represents the total cost and x represents the number of games played.
We can find the number of games you can bowl for $34 as follows;
y = 3.50x + 6.00
34 = 3.50(x) + 6.00
34 - 6.00 = 3.50(x)
28 = 3.50(x)
x = 28 ÷ 3.50
x = 8
Hence, the number of games you can bowl for using the equation y = 3.50x + 6.00 is calculated to be 8.
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Write each equation in logarithmic form.
5⁻³ = 1/125
The logarithmic form of 5⁻³ = 1/125 is , [tex]log_5(\frac{1}{125} ) =-3[/tex]
What is logarithmic equation ?In, mathematics a logarithmic equation is inverse of exponential equation. That means, we can easily convert the logarithmic equation into exponential equation and vice versa. The basic form of the logarithm function can be written as [tex]log_{a}x[/tex] .
where, a is the base of function or equation
x define expression
Mathematically, if [tex]a^x = N[/tex] is an exponential function then, this can be converted to logarithmic function as [tex]log_aN = x[/tex].
There are many formulas that are given to us for solving several simple and complex problems based on logarithmic functions and logarithmic equations.
Some important formulas of logarithms :
[tex]log a + log b = log a.b[/tex][tex]log a - log b = log \frac{a}{b}[/tex][tex]log a^x = x loga[/tex][tex]log_aa=1[/tex][tex]log_a1=0[/tex]According to statement,
5⁻³ = 1/125
as, if [tex]a^x = N[/tex] is an exponential function then, this can be converted to logarithmic function as [tex]log_aN = x[/tex]
Here,
a= 5, x= -3, N = 1/125
therefore logarithmic form is : [tex]log_5(\frac{1}{125} ) =-3[/tex]
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Jordin worked 48 hours and 45 minutes. He's paid $13.00 an hour. He is paid time and a half for any time over 40 hours. How much will he get paid?
Change minutes to hours then multiply.
This is pay, so round all answers to the nearest cent if necessary. Two decimal places
Answer:
$690.63
Step-by-step explanation:
45 minutes = 0.75 hr, so he worked for 48.75 hrs.
This means he worked 8.75 hours of overtime, so his pay is
[tex]40(13)+(8.75)(13)(1.5) \approx \$690.63[/tex]
Write an equation for the translation of y=2/x that has the given asymptotes. x=4 and y=-8
Equation that has the specified asymptotes for the translation of y=2/x. x=4 and y=-8 is :
y = 2 / x- 4 - 8
How to write an equation for the translation (given asymptotes)?The graph is shifted by that many units in the positive direction if you deduct a constant from your original function's x.
The original function's graph is shifted downward by that many units if a constant is subtracted from the y value.
CalculationYour first formula was y=2/x. The vertical asymptote is discovered when the denominator's root is solved for. It is x=0 in this instance, or the y-axis.
And when x changes to ∞, y=2/∞=0. This indicates that the y-axis, or your horizontal asymptote, is at y=0.
GRAPHSAfter seeing the first graph
Now, you can see the transformation of y=2/x below. As is evident, it has shifted 2 units to the right and 8 units down with vertical asymptote at x=4 and horizontal asymptote at y=−8.
you can see the second graph here...
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let f(x)= 2x+4. Write a function g whose graph is a horizontal shrink of the graph of f by a factor of 1/2. g(x)=?
x + 2 is the graph of the function g, whose graph is a horizontal reduction of the graph of f by a factor of 1/2.
What is a function?A function is defined as the expression that set up the relationship between the dependent variable and independent variable.
The translation is a way of changing the position of an object on a xy-plane.
The function that results from shrinking a function f(x) horizontally by a factor of 1/a is given as;
g(x) =1/a f(x)
Give the function f(x) = 2x + 4, which will result in the following function if the function is shortened horizontally:
g(x) = 1/2(2x+4)
g(x) = x + 2
Hence the function g whose graph is a horizontal shrink of the graph of f by a factor of 1/2 is x + 2.
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If triangle LMN has an obtuse angle at vertex M, which statements could be true? Check all that apply.
Triangle LMN is an obtuse triangle.
The angle at vertex L is acute.
The angle at vertex L is right.
The angle at vertex N is right.
The angle at vertex N is acute.
Triangle LMN is a right triangle.
The statement which are true for triangle LMN are :
1 ) The angle at vertex L is acute.
2) The angle at vertex N is acute.
What is obtuse angle ?
An obtuse angle is defined as an angle measuring less than 180 degrees and greater than 90 degrees. Examples of obtuse angle degrees include 165°, 135°, 110°, 179°, 91°, etc., which lie between 90° and 180°.
Here, it is given that triangle LMN has an obtuse angle at vertex M that is :
The angle formed by vertex L and N will be acute angle that is less then 90 degrees as to satisfy the triangle law of addition (all sum of all the angles of a triangle is 180 degree).
Therefore, option A and D are correct.
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Answer: 1, 2 and 5
Step-by-step explanation:
Analyzing Obtuse Triangles
see picture
this one is weird to me pls help
Use long division to convert 2/9 to a decimal. Your approximation should have one decimal place.
Answer:
0.2
Step-by-step explanation:
Divide 2 by 9. You’ll get 0.222222…
So, you have to round it down to 0.2
I hope this helps. Please mark me brainliest.
Find the greatest integer that is less than the value of the logarithm. Use your calculator to check your answers.
log (1.3x10⁷)
The greatest integer that is less than the value of the logarithm log(1.3 x 10⁷) is 7.
The given logarithmic expression is log(1.3 x 10⁷)
Use the product rule of the logarithm logₐ(X.Y) = logₐ(X) + logₐ(Y), to get
log(1.3 x 10⁷)
= log(1.3) + log(10⁷)
= log(1.3) + 7 log(10) (Using the power rule of the logarithm logₐ(Xⁿ) = n logₐ(X))
= log(1.3) + 7 (Since log(10) = 1)
≈ 7.113 (approximate value)
We know that, log(1) = 0 and log(10) =1. And the logarithm is an increasing function.
So, log(1.3) is very close to 0 and strictly less than 1.
Therefore, the greatest integer that is less than the value of the logarithm log(1.3 x 10⁷) is 7.
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Robbie Morse has a $47,500 insurance policy. The annual premium is $987.53. Robbie pays $90.00 monthly.
Calculate the following. (Use a thousands comma where applicable.)
In twelve months, Robbie pays $___
Robbie pays $___ more monthly than he would annually.
To the nearest percent, Robbie pays ___% more by paying monthly than he would paying annually.
Answer: Robbie pay in twelve months $1080 .
$92.47 more Robbie pay and 9.36 %(Approx) Robbie pay.
Step-by-step explanation:
As given
Robbie Morse has a $47,500 insurance policy.
The annual premium is $987.53.
Robbie pays $90.00 monthly.
First find out the Robbie pay in twelve months .
Robbie pay in twelve months = 12 × 90
= $ 1080
Second find out how much more does Robbie pay .
Robbie pay extra = Robbie pay in twelve months - annual premium
= $ 1080 - $987.53
= $92.47
Therefore the $92.47 more Robbie pay .
Third find out the what percentage does Robbie pay .
Formula
Robbies pay more = $92.47
Annual premium = $987.53
Put in the above
Percentage = 9.36 % (Approx)
9.36 %(Approx) Robbie pay.
How do I solve these types of questions? Any hints or help will be appreciated
Step-by-step explanation:
ATTACHED ARE THE SOLUTIONS !!!!
Step-by-step explanation:
a)=
y = 70 + 41 (exterior angle is equal to sum of its opposite interior angles)
so, y = 111°
Now,
y = x + 58° ((exterior angle is equal to sum of its opposite interior angles)
or. 111° - 58° = x
so, x = 53°
b)=
x = 180° - 127° (linear pair of x is corresponding to 127)
so, x = 53°
Now,
y = 83° (y is vertically opposite to angle that is corresponding to 83)
c)= x = 47° (alternate angles)
y = 47 + 32 (exterior angle is equal to sum of its opposite interior angles)
so, y = 79°
d)= other angle = 180-45-45 = 90
Using the formula:-
sinA/a = sinB/b = sinC/c
or, sin45/3 = sin45/y
or, 1/√2/3 = 1/√2/y
or, y = 3
Now,
sinC/c = sinA/a
or, sin90/x sin45/3
or, 1/x = 1/√2/3
or, 1/x = 1/3√2
so, x = 3/√2
Graph the coordinates of the triangle in the coordinate plane. Multiply each coordinate by a scale factor of 3 (k=3). Then, graph the new triangle. How are the triangles related?
The two triangles are similar triangles and the graph of the triangles are attached
Graph the coordinates of the triangle in the coordinate plane.The complete question is added as an attachment
The coordinates of the triangle are given as
A (0, 3), B (3, 3) and C (3, -1)
So, we enter the above coordinates in a graphing calculator
See attachment for the graph of the triangle
Multiply each coordinate by a scale factor of 3 (k=3).
Here, we have
A' 3 * (0, 3), B' 3 * (3, 3) and C' 3 * (3, -1)
This gives
A' (0, 9), B' (9, 9) and C' (9, -3)
Next, we enter the above coordinates in a graphing calculator
See attachment for the graph of the triangle
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Simplify. ∛4 - 2∛4
The simplified value of the expression is [tex]-2^{2/3}[/tex].
The cube root of any given number is that number which we can multiply 3 times by itself to get the original number. It is denoted by ∛, for example- the cube root of x will be ∛x. It can also be written as (x)^1/3.
Here, we are given the expression ∛4 - 2∛4
We can also write this expression as follows-∛4 (1 - 2)= ∛4(-1)= - ∛4
Further, 4 can be written as: 2 × 2 = 2² = - (∛2)² = [tex]-2^{2/3}[/tex]
We cannot simplify this expression any further.
Thus, the value of the expression comes out to be [tex]-2^{2/3}[/tex].
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Solve. Check for extraneous solutions. √3 x+7=x-1
x = 6 is the extraneous solution of the equation
The equation given is
[tex]\sqrt{3x + 7}[/tex] = x -1
To find the Extraneous solution we need to square on both sides of the equation
[tex](\sqrt{3x + 7} )^{2}[/tex] =[tex](x - 1)^{2}[/tex]
3x + 7 = [tex]x^{2}[/tex] --2x + 1
[tex]x^{2}[/tex] - 5x - 6 = 0
[tex]x^{2}[/tex] - 6x + x - 6 = 0
x(x - 6) +1(x -6) =0
(x-6)(x+1) = 0
x = -1, 6
Now we need to put the value of x in the equation
x = -1
[tex]\sqrt{(3 * -1) + 7}[/tex] = -1 -1
[tex]\sqrt{4}[/tex] = -2
2≠ -2
Now put
x = 6
[tex]\sqrt{3 * 6 + 7}[/tex] = 6 -1
[tex]\sqrt{25}[/tex] = 5
5=5
Therefore we get to know that x = -1 is the extraneous solution and x = 6 is the solution of the equation
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is this number rational or irrational
Answer: rational
explain
Find an equation for the perpendicular bisector of the line segment whose endpoints
are (7,5) and (-1,9).
Check the picture below.
keeping in mind that perpendicular lines have negative reciprocal slopes, and that we also know that the line is a perpendicular bisector, namely it cuts that segment into two equal halves as you can see in the picture, so it really passes through the midpoint of that segment, so let's get the slope of that green segment
[tex](\stackrel{x_1}{7}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{-1}~,~\stackrel{y_2}{9}) ~\hfill \stackrel{slope}{m}\implies \cfrac{\stackrel{rise} {\stackrel{y_2}{9}-\stackrel{y1}{5}}}{\underset{run} {\underset{x_2}{-1}-\underset{x_1}{7}}} \implies \cfrac{4}{-8}\implies -\cfrac{1}{2}[/tex]
so for the perpendicular bisector that'd be
[tex]\stackrel{~\hspace{5em}\textit{perpendicular lines have \underline{negative reciprocal} slopes}~\hspace{5em}} {\stackrel{slope}{\cfrac{-1}{2}} ~\hfill \stackrel{reciprocal}{\cfrac{2}{-1}} ~\hfill \stackrel{negative~reciprocal}{-\cfrac{2}{-1}\implies 2}}[/tex]
now let's check for the midpoint of the green segment
[tex]~~~~~~~~~~~~\textit{middle point of 2 points } \\\\ (\stackrel{x_1}{7}~,~\stackrel{y_1}{5})\qquad (\stackrel{x_2}{-1}~,~\stackrel{y_2}{9}) \qquad \left(\cfrac{ x_2 + x_1}{2}~~~ ,~~~ \cfrac{ y_2 + y_1}{2} \right) \\\\\\ \left(\cfrac{ -1 +7}{2}~~~ ,~~~ \cfrac{ 9 +5}{2} \right) \implies \left(\cfrac{ 6 }{2}~~~ ,~~~ \cfrac{ 14 }{2} \right)\implies (3~~,~~7)[/tex]
so we're really looking for the equation of a line whose slope is 2 and that it passes through (3 , 7)
[tex](\stackrel{x_1}{3}~,~\stackrel{y_1}{7})\hspace{10em} \stackrel{slope}{m} ~=~ 2 \\\\\\ \begin{array}{|c|ll} \cline{1-1} \textit{point-slope form}\\ \cline{1-1} \\ y-y_1=m(x-x_1) \\\\ \cline{1-1} \end{array}\implies y-\stackrel{y_1}{7}=\stackrel{m}{ 2}(x-\stackrel{x_1}{3}) \\\\\\ y-7=2x-6\implies {\LARGE \begin{array}{llll} y=2x+1 \end{array}}[/tex]
Aditi bought 20 apples at Rs 25 each and sold them at Rs 32 each. What is her total profit?
Answer: 140
Step-by-step explanation: 25x20=500
32x20=640
640-500= 140!!
please help me fast its worth 50 points
Yes, the claim is correct because √16 + π = 4 + π and 4 + π is an irrational number
What is the sum of rational and Irrational Numbers?Rational numbers are numbers that can be expressed as the ratio of two integers while Irrational numbers cannot be expressed as the ratio of two numbers.
The sum of a rational and an irrational number is always an irrational number.
Example:
Consider a rational number: 4 and an irrational number: 2.7582...
When we add these two numbers, we get,
4 + 2.7582... = 6.7582....
Thus, it is clear that this sum is also an irrational number as the numbers after decimal are non-terminating and non-recurring.
Thus, the correct option is that the claim is correct because √16 + π = 4 + π which is an irrational number
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Please help me out please please please
Answer:
B. 2(5+3)
Step-by-step explanation:
PEMDAS
2(5+3)
5+3= 8
2 × 8 = 16
10 + 6 = 16
Expand each logarithm.
log 4 √47/5²
The value of logarithmic expression log 4 √47/5² is log (47/25)^1/4.
By considering the given logarithmic expression
log 4 √47/5²
log 4 √47/25
log (47/25)^1/4
The logarithm is exponentiation's opposite function in mathematics. This means that the exponent to which a fixed number, base b, must be raised in order to produce a given number x, is represented by the logarithm of that number.
Based on the logarithm base, the logarithmic functions are broadly divided into two types. There are common and natural logarithms. Common logarithms are based on the number 10, while natural logarithms are based on the base "e." The power to which a number must be raised in order to obtain another number is known as a logarithm (see Section 3 of this Math Review for more about exponents).
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8. A car consumes 25.00 liters of fuel when driving a distance of 400.0 km. How many
gallons will it consume when driving 250.0 miles?
The amount of fuel required to drive 250 miles will be 25.14 liters.
What is an expression?Mathematical symbols can be used to represent numbers (constants), variables, operations, functions, brackets, punctuation, and grouping. They can also be used to denote the logical syntax's operation order and other properties.
Given that a car consumes 25.00 liters of fuel when driving a distance of 400.0 km. The amount of fuel required for 250 miles will be calculated as:-
1 km = 0.6213 miles
400 km = 400 x 0.6213 miles
400 km = 248.52 miles
248.52 miles = 25 litres
1 mile = 25 / 248.52 litres
250 miles = ( 250 x 25 ) / 248.52 litres
250 miles = 25.14 litres
Therefore, the amount of fuel required to drive 250 miles will be 25.14 liters.
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Write a potential exponential function (y= ab^x) that has a y-intercept of (0,3) and passes through the point (2,48)
Please solve and explain so that I can try and do it on my own too, thank you
A potential exponential function (y = abˣ) that has a y-intercept of (0, 3) and passes through the point (2, 48) is equal to y = 3·4ˣ
What is an exponential function?An exponential function can be defined as a mathematical function whose values are generated by a constant that is raised to the power of the argument. Mathematically, an exponential function can be represented by this standard formula:
y = abˣ
Next, we would solve for the value of "a" using y-intercept (0, 3):
y = abˣ
3 = ab⁰
3 = a(1)
a = 3.
Also, we would determine the value of "b" from point (2, 48):
y = abˣ
48 = 3b²
16 = b²
b = √16
b = 4.
Substituting the parameters into the standard formula, we have;
y = 3·4ˣ
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Joseph works in the soft-drink booth at every school baseball game. He earns ⅓ of the total soft drinks sales at each game. At Friday’s game,the total soft drink sales were $79.26. At Saturday’s game, the total soft drink sales were $95.70.How much did Joseph earn by working at the soft ball booth on Friday and Saturday?
Answer:
$58.32
Step-by-step explanation:
x = 1/3(79.26 + 95.70)
x = 1/3(147.96) Divide 147.96 by 3
x = 58.32
You want to buy a sofa that has already been marked down by $ 100 . The furniture store may add the 5% sales tax before applying the additional discount, or it may add the sales tax after applying the additional discount. Which way is better for you, the customer? How much better?
The better way for the customer to buy a sofa is to apply the Sale Tax after the discount.
Let us assume that the marked price of a sofa is $1000.
Now we will first take the sale tax and then the discount on the marked price.
Sale = 1000 × 5/100
= 50
So the price after the sale = 1000 + 50
= 1050
As the discount is $100
Therefore total is to be paid is
1050- 100
i.e., $950
Now we will calculate discount first then the sale tax.
As marked price is $1000 and discount is $100
So price after discount = $1000- $100
= $900
Now we will apply the sale tax on the discount price which is 5%
Sale price = 900 × 5/100
=45
Total price to be paid = 900 + 45
= $945
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Solve this math problem
Answer:
X = 32
Step-by-step explanation:
X/4 = 8
To solve for x, multiply each side by 4
X/4*4 = 8*4
X = 32
Draw the image of Quadrilateral ABCD translated -2 units horizontally and 5 units vertically. Label the image points using prime notation. (in other words Rule: (x, y) --> (x-2, y+5) )
The image of Quadrilateral ABCD after transformation is shown in graph with coordinates A' (0, 2), B' (2, 4), C' (5, 4) and D' (4, 3).
What is Transformation?
Transformation is the act or process of changing completely.
The rule of transformation is given as;
(x, y) --> (x-2, y+5)
Now, The coordinates of Quadrilateral ABCD are;
A (2, -3) , B (4, -1), C (7, -1) and D (6, -2)
Apply the rule of transformation to find the coordinates of the image of Quadrilateral ABCD as;
A' (2-2, -3+5) = (0, 2)
B' (4-2, -1+5) = (2, 4)
C' (7-2, -1+5) = (5, 4)
D' (6-2, -2+5) = (4, 3)
Hence, The coordinates of image of Quadrilateral ABCD are;
A' (0, 2), B' (2, 4), C' (5, 4) and D' (4, 3).
And, The image of Quadrilateral ABCD after transformation is shown in graph.
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what is the name of a line drawn across two parallel lines?
Answer:transversal
Step-by-step explanation:
PLEASE ANSWER THIS AS QUICK AS U CAN.VERY QUICK PLS!
6t ÷ 9
I hope this helps!
Answer: 6t
Step-by-step explanation:
there are 6 t's so yea it's the 6th work for me -_-
HEY, guys I REALLY NEED HELP WITH THESE. I THINK I HAVE 5 QUESTIONS I NEED HELP WITH. HERE THEY ARE. I WILL AWARD BRAINIEST IF U CAN SOLVE THEM. THANK YOU, GUYS! I NEED THEM ASAP!!!!!!
Answer:
1. y = 0.5x – 0.5 or y = 1/2x -1/2
2. y = -1.5x – 2 or y= -3/2x- 2
3. y= -x -5
4. y=x+3
i dk how to do the last picture
There are 8 players on a tennis team. The team is planning to play in a doubles tournament. How many different groups of players of 2 players can the coach make, if the position does not matter?
Answer:
I think the answer is 4 not sure though
Answer:
28 is the answer!
I got it right, look at the pic!!