round 18,799 to the nearest ten thousand
Find the inverse of each function. Is the inverse a function? y=(x+4)³-1
Inverse of the give function F(x) = ( x + 4 )³ - 1 is F⁻¹(x) = [√( x + 1 ) ] - 4.
Given is a function of x, F(x) = ( x + 4 )³ - 1
These question can be solved by following 4 easy steps
Step 1 : Switch the F(x) with the variable y
This implies, F(x) = ( x + 4 )³ - 1 becomes y = ( x + 4 )³ - 1
Step 2 : Interchange the variable x and y in the above obtained equation
This implies, from the equation y = ( x + 4 )³ - 1, we get
x = ( y + 4 )³ - 1
Step 3 : Solve the new obtained equation for y
This implies, we have to simplify the equation by rearranging the terms to get the equation in terms of the variable x.
x = ( y + 4 )³ - 1
=> x + 1 = ( y + 4 )³
=> (y + 4 )³ = x + 1
=> y + 4 = √( x + 1 )
=> y = √( x + 1 ) - 4
Hence we obtain the required equation.
Step 4 : Switch the variable y with F⁻¹(x)
This implies, y = √( x + 1 ) - 4 becomes F⁻¹(x) = √( x + 1 ) - 4
Therefore, we get the inverse of the give function F(x) = ( x + 4 )³ - 1 as F⁻¹(x) = [√( x + 1 ) ] - 4.
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Each ordered pair is from an inverse variation. Find the constant of variation. (3/8, 2/3)
The constant of variation is 1/4 .
What is inverse variation ?The inverse variation property states that , whenever the product of values of two quantities is a constant value then there is opposite variation between these two corresponding values. Or we can also say that if the productive nature of two corresponding values is constant, then one quantity is inversely varies with second quantity. That means if one value increases than another one will automatically decrease and vice versa.
Let say if x and y are two values and k is a constant value, then
According to inverse variation,
k = xy or y = k/x
In the given question,
Take the order pair [tex](\frac{3}{8} ,\frac{2}{3} )[/tex]
As it is an inverse variation, we can substitute it
y=k/x or k = xy
put the values from order pair
k = [tex]\frac{3}{8}[/tex] × [tex]\frac{2}{3}[/tex]
k = [tex]\frac{1}{4}[/tex]
Therefore, the constant of variation for order pair [tex](\frac{3}{8} ,\frac{2}{3} )[/tex] is 1/4 .
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내
Pls help I need. Jnfndnxmdnddbbddbfbfbfbff
Answer:
4 is 4 2/3
Step-by-step explanation:
3 can only go in 14 4 times with 2 leftover
Help???? Anyone answer this..
The recursive equation here is; a_n = 3n - 1
How to find the nth term of arithmetic sequence?Formula for the nth term of an arithmetic sequence is;
an = a + (n - 1)d
where;
a is first term
n is position of term
d is common difference
We are given that;
First term; a = 2
Second term; a2 = 5
Common difference; d = 3
Thus, recursive equation here is;
a_n = 2 + 3(n - 1)
a_n = 2 + 3n - 3
a_n = 3n - 1
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3/8 = b/2 have I’m having much trouble
Answer:
b = [tex]\frac{3}{4}[/tex]
Step-by-step explanation:
[tex]\frac{3}{8}[/tex] = [tex]\frac{b}{2}[/tex] ( cross- multiply )
8b = 6 ( divide both sides by 8 )
b = [tex]\frac{6}{8}[/tex] = [tex]\frac{3}{4}[/tex]
Answer:
b=3/4
Step-by-step explanation:
3/8=b/2
First you will need to cross multiply because apparently that's how we do things. To cross multiply, you would just have to take the bottom of the fraction from the LHS (left hand side) and times it with the top part of the fraction in RHS (right hand side). You do the same thing to the other side (take the top part of LHS and multiply it with the bottom of RHS). Make sure to keep the = sign in the middle.
8 x b = 3 x 2 (8 x b= 8b)
8b=6
Then, you would have to make the b on the LHS alone so you would have to divide the RHS by 8. (To move from one side to another, you would have to change it to the opposite of the sign like if it's -9, then to the other side it would be +9 and if it's x8 then the other side would be /8 and vice versa).
b=6/8
You will have to simplify unless the question asks you not to but I'll do it anyways. 2 goes into 6 and 8 as a common factor and so the answer should look like this:
b=3/4
If you have any further questions please ask me!
What is the product of 2 √8 and 6 √12 in simplest radical form?
Answer:
[tex]48\sqrt 6[/tex]
Step-by-step explanation:
[tex]2\sqrt{8}=2(2\sqrt{2})=4\sqrt{2} \\ \\ 6\sqrt{12}=6(2\sqrt{3})=12\sqrt{3} \\ \\ (4\sqrt 2)(12\sqrt 3)=48\sqrt 6[/tex]
What is the maximum y -value of the parabola?
A parabola's maximum value is the y-coordinate of its vertex when it opens downward.
What do we mean by a parabola?A parabola is a plane curve that is mirror-symmetrical and roughly U-shaped in mathematics. It fits several seemingly disparate mathematical descriptions, all of which can be shown to define the same curves.A parabola is defined by a point (the focus) and a line (the directrix). The directrix is not the center of attention. The parabola is the location in that plane of points that are equidistant from both the directrix and the focus. A parabola can also be described as a conic section formed by the intersection of a right circular conical surface and a plane parallel to another plane tangential to the conical surface.A parabola's maximum value is the y-coordinate of its vertex when it opens downward. The y-coordinate of the vertex of a parabola that opens up is its minimum value.Therefore, a parabola's maximum value is the y-coordinate of its vertex when it opens downward.
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Rationalize the denominator of each expression. Assume that all variables are positive. 5√3x³ / 2y
The rationalization the denominator of the given expression is [tex]\frac{5\sqrt{6}x^3 }{2\sqrt{y} }[/tex] .
Rationalization can be thought of as the process used to remove the base or imaginary number from the denominator of an algebraic fraction. That is, remove the radical of the fraction so that the denominator contains only rational numbers. Radicals are expressions that use roots such as: B. Square root or cube root. For example, an expression of the form: √(a + b) is a root.The mathematical conjugate of any binomial means another exact binomial with opposite signs between the two terms.We have given an expression [tex]\frac{5\sqrt{3}x^3 }{\sqrt{2y} }[/tex] .
The denominator of the expression is [tex]\sqrt{2y}[/tex] .
Multiply the fraction in the numerator and denominator by [tex]\sqrt{2y}[/tex] , we get
[tex]\frac{5\sqrt{3}x^3\times\sqrt{2y} }{\sqrt{2y} \times\sqrt{2y} }=\frac{5\sqrt{6}x^3\sqrt{y} }{2y}[/tex]
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How to solve for (y) in this equation y (a - b) = c(y+a)
Answer:
[tex]y=\frac{ac}{a-b-c}[/tex]
Step-by-step explanation:
[tex]y(a-b)=c(y+a) \\ \\ y(a-b)=cy+ac \\ \\ y(a-b)-cy=ac \\ \\ y(a-b-c)=ac \\ \\ y=\frac{ac}{a-b-c}[/tex]
The lengths of the four sides of a
quadrilateral (in meters) are consecutive integers. If
the perimeter is 46 meters, find the value of the longest of the four side lengths.
A quadrilateral has four sides that are each an even number of meters long (in meters).Considering a 46 meter of perimeter, the value of the longest side length out of the four sides is 12.
Given that,
A quadrilateral has four sides that are each an even number of meters long (in meters).
Considering a 46 meter of perimeter.
We know that even numbers differ by 2 and are multiples of 2.
Thus, due to the four sides of quadrilaterals.
let those sides' lengths be
2x,2x+2,2x+4 and 2x+6
The perimeter of a quadrilateral's boundary as a whole is its perimeter. An irregular or regular four-sided polygon is referred to as a quadrilateral. A regular quadrilateral has sides that are all the same length and angles that are all the same measure; an irregular quadrilateral does not have equal sides and angles.
Perimeter of a quadrilaterals is
perimeter=sum of the 4 sides.
36=sum of the 4 sides.
Which we have taken 2x,2x+2,2x+4 and 2x+6.
2x+2x+2+2x+4+2x+6=36
8x+12=36
8x=36-12
8x=24
x=[tex]\frac{24}{8}[/tex]
x=3.
Now, we can find the sides by the x value which is 3.
1st side=2x=2[tex]\times[/tex]3=6
2st side=2x+2=2[tex]\times[/tex]3+2=8
3st side=2x+4=2[tex]\times[/tex]3+4=10
4st side=2x+6=2[tex]\times[/tex]3+6=12
Therefore, the value of the longest side length out of the four sides is 12.
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Answer:13
Step-by-step explanation:
x+x+1+x+2+x+3=46
4x+6=46
-6 -6
4x=40
4x/4=40/4
x=10
Longest side: x+3
=10+3
=13
f(x) = x - 8 and g(x) = x + 3, find f(1/2) • g(1/2)
Answer in decimal form = -26.25
Answer as an improper fraction = -105/4
========================================================
Work Shown:
1/2 = 0.5
Replace every copy of x with 0.5 in the f(x) function.
f(x) = x-8
f(0.5) = 0.5-8
f(0.5) = -7.5
Repeat the same idea for the g(x) function
g(x) = x+3
g(0.5) = 0.5+3
g(0.5) = 3.5
Then multiply the results
f(0.5)*g(0.5) = (-7.5)*(3.5) = -26.25
Then optionally convert to an improper fraction following the steps shown below.
-26.25 = -(26.25)
-26.25 = -(26+0.25)
-26.25 = -(26+1/4)
-26.25 = -(26*(4/4)+1/4)
-26.25 = -(104/4+1/4)
-26.25 = -105/4
What is the area of the composite figure?
A. 500
b. 490.62
C.245.31
D. 745.31
Answer:
D
Step-by-step explanation:
hope this works for you :)
Solve each equation.
3{x}=27
The value of x for the equation 3ˣ = 27 is 3.
What is a linear equation?A linear equation with one variable is one that has just one variable. It has the formula Ax + B = 0, with A and B being any two real integers and x being an ambiguous variable with just one possible value. One such linear equation in one variable is 9x + 78 = 18.
One method for expressing a linear equation is in the slope-intercept form (the equation of a line). Y = mx+b, where m is the slope and b is the y-intercept, is the formula for the slope-intercept form (the point where the line crosses the y-axis). Using y=mx+b to graph a line is often simple.
The equation is -
3ˣ = 27
It can be expressed as -
3ˣ = 3³
x= 3
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Shayla cuts 6 strips of ribbon to make hair bows. When she is done, she realizes that each strip is 1/8 inch too short. How does the total length of the strips compare to what their total length should have been?
The total length of the strips will be 6L. Then the total length of the ribbon should have been 6L + 6/8.
What is Algebra?The analysis of mathematical representations is algebra, and the handling of those symbols is logic.
Shayla cuts six ribbon pieces to create hair bows. She completes it, only to discover that each strip is 1/8 inch too short.
Let L be the length of the strips of ribbon. Then the total length of the strips will be
⇒ 6L
The total length of the ribbon should have been
⇒ 6(L + 1/8)
⇒ 6L + 6/8
The total length of the ribbon should have been 6L + 6/8.
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5(2s-t)-1 use s=10 and t=5
Answer:
74
Step-by-step explanation:
[tex]5(2(10)-5)-1 \\ \\ =5(20-5)-1 \\ \\ =5(15)-1 \\ \\ =75-1 \\ \\ =74[/tex]
SOLVE THE PROBLEM SHOW YOUR SOLUTION USING THE STEP SOLVING 1. DURING WEEKENDS CENDNINLE AND HIS FRIENDS COLLECT PLASTIC BOTTUS AND SELLTHEM TO A JUNK SHOP THEY COLLECT 36 KILO GRAMS OF PLASTIC BOTTLES, HOW MUCH WILL THEY RECEIVE END KILOGRAM COST PER 12
PLS HELP PO PAPASA NA KASI BUKAS
Answer:
36 × 12 = 432
hopefully this helps :)
Please Help! Determine the range of the following graph:
Answer:
-4 ≤ y ≤ 2
Step-by-step explanation:
You want the range of the graph shown.
RangeThe range of a relation is the set of output values of the relation, the vertical extent of its graph.
The graph shown extends continuously from an absolute minimum of y=-4 to an absolute maximum of y=2.
The range is -4 ≤ y ≤ 2.
Solve each proportion. x/7 =28/49
Answer:
x = 4
Step-by-step explanation:
[tex]\frac{x}{7}[/tex] = [tex]\frac{28}{49}[/tex] ( cross- multiply )
49x = 7 × 28 = 196 ( divide both sides by 49 )
x = 4
Determine if each statement is true or false. Justify your answer.
logbx / logby = logb x/y
The logarithm statement log_b x / log_b y = log_b x/y is a false statement as log_b x / log_b y = log_b x - log_b y.
We are given the logarithm as:
log_b x / log_b y = log_b x/y
We need to tell if it is true of not.
We get that, it is false statement.
We know that log a / log b = log a - log b
So, log_b x / log_b y = log_b x - log_b y
So, it is not equal to log_b x / y
Therefore, we get that, the logarithm statement log_b x / log_b y = log_b x/y is a false statement as log_b x / log_b y = log_b x - log_b y.
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Q is the midpoint of PR. If PQ = 3x and QR = x + 2, what is QR?
Answer:
QR = 3
Step-by-step explanation:
given Q is the midpoint of PR , then
PQ = QR , that is
3x = x + 2 ( subtract x from both sides )
2x = 2 ( divide both sides by 2 )
x = 1
Then
QR = x + 2 = 1 + 2 = 3
Answer:
QR = 3
Step-by-step explanation:
since Q is the midpoint, then PQ is the same as QR. so we equate the two as follows:
3x = x+2
then find x as shown below.
3x-x = 2 ( I grouped the like terms)
2x = 2. now divide by 2 to find x
x= 1,
since QR is x+2, now substitute x for 1
1+2 =QR
3 is the answer.
.thanks
At a carnival, single rides cost $2 each, and all day ride passes cost $15. The total revenue for the day was $2,960. Which equation can be used to represent x, the number of single ride passes sold and y, the number of all day ride passes sold?
2x + 15y = 2,960
12x + 5y = 2,960
15x + 2y = 2,960
17x + 15y = 2,960
Answer:
2x + 15y + 2,960
Step-by-step explanation:
Single Rides are $2 each, represented by x
All day passes are $15 each represented by y
Combined they equal the total revenue; 2,960.
Simplify the quantity 9 minus two thirds times the square root of 9 end quantity squared plus the quantity 1 minus 6 end quantity squared.
74
24
495
1,225
Answer:
1225
Step-by-step explanation: i did the tesr b
Rhombus EFGH is rotated 90° counterclockwise about vertex G. How many pairs of parallel sides does the rotated figure have? 0 1 2 4
The number of pairs of parallel sides the rotated figure have is 2
What are parallel sides?Parallel sides or lengths are line segments or lines in the same plane that extend on both sides without intersecting
How to determine the number of pairs of parallel sides the rotated figure have?The shape is given as:
Shape = Rhombus
Rotation= 90 degrees counterclockwise rotation about the vertex G
The rotation transformation is a rigid transformation
This means that when a shape is rotated by 90 degrees counterclockwise about a vertex (in this case, the vertex G), the image of the rotation would have the same properties as the preimage
A rhombus has 2 pairs of parallel sides
This means that the number of pairs of parallel sides the rotated figure have will also be 2 (same as the original shape)
Hence, the number of pairs of parallel sides the rotated figure have is 2
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Given the function r(x) = -2/3x + 4 for what value of x is r(x) = -4
The value of x when r(x) = -4 is 20/3.
Given, the function is r(x) = ₋2/3x ₊ 4
substitute r(x) = ₋4 in the value of r(x)
r(₋4) = ₋2/3(₋4) ₊ 4
r(₋4) = 8/3 ₊ 4
r(₋4) = 8 ₊ 12/3
r(₋4) = 20/3
hence we get the value as 20/3
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x • 1 + x = _____.
1
Find the distance between each pair of points. (-2, 3) and (-7,-7)
[tex]~~~~~~~~~~~~\textit{distance between 2 points} \\\\ (\stackrel{x_1}{-2}~,~\stackrel{y_1}{3})\qquad (\stackrel{x_2}{-7}~,~\stackrel{y_2}{-7})\qquad \qquad d = \sqrt{( x_2- x_1)^2 + ( y_2- y_1)^2} \\\\\\ d=\sqrt{(~~-7 - (-2)~~)^2 + (~~-7 - 3~~)^2} \implies d=\sqrt{(-7 +2)^2 + (-7 -3)^2} \\\\\\ d=\sqrt{( -5 )^2 + ( -10 )^2} \implies d=\sqrt{ 25 + 100 } \implies d=\sqrt{ 125 }\implies d\approx 11.18[/tex]
Exact Distance = [tex]\boldsymbol{5\sqrt{5}}[/tex] units
Approximate Distance = 11.1803 units
===================================================
Work Shown:
[tex](x_1,y_1) = (-2,3) \text{ and } (x_2, y_2) = (-7,-7)\\\\d = \sqrt{(x_1 - x_2)^2 + (y_1 - y_2)^2}\\\\d = \sqrt{(-2-(-7))^2 + (3-(-7))^2}\\\\d = \sqrt{(-2+7)^2 + (3+7)^2}\\\\d = \sqrt{(5)^2 + (10)^2}\\\\d = \sqrt{25 + 100}\\\\d = \sqrt{125}\\\\d = \sqrt{25*5}\\\\d = \sqrt{25}*\sqrt{5}\\\\d = 5\sqrt{5}\\\\d \approx 11.1803\\\\[/tex]
The exact distance is [tex]5\sqrt{5}[/tex] units, which approximates to about 11.1803 units
I used the distance formula. Round the approximate value however your teacher instructs.
A slight alternative is to plot the two points to form a right triangle. The hypotenuse goes from (-2,3) to (-7,-7). Then use the pythagorean theorem.
You can use tools like WolframAlpha or GeoGebra to confirm the answer.
SQUARES AND SQ
1. Which of the following is a true statement? 2.
a
a. To square a number, multiply the number
by 2.
b. The inverse of squaring a number is to
divide the number by 2.
c.To square a number, multiply the number
by itself.
d. A perfect square is a number who's
square root is an even number. cimal in the
Only the third statement (c)"To square a number multiply the number by itself" is true.
The square of any number is defined as the product of the number and itself .
Let us consider a number a , then the square of a is denoted by a² and a² = a × a .
Let us take each statement and verify if they are true or false.
a)"To square a number, multiply the number by 2"
this is false as to square we have to multiply the number with itself.
example: 3²=9 but 3 × 2 = 6
b)The second statement is also false because square-root of a number is different than dividing a number by 2.
Example: √16=4 but 16÷2=8
c) "To square a number, multiply the number by itself."
This statement is true .
d) a perfect square is defined as a number whose square-root is an integer (both odd and even)
9 is a perfect square and √9=3 which is odd
Therefore the fourth statement is also false.
Hence only statement (c) is correct .
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What is log 33,000- log 99+ log 30 ?
We will get [tex]\left\{\begin{array}{l}\log \cdot 33 \\-\log \cdot 99+\log \cdot 30\end{array}\right.[/tex] after simplifying the given expression
log 33,000- log 99+ log 30.
What is an expression, exactly?In mathematics, an expression is a sentence that contains at least two numbers or variables as well as at least one mathematical operation.Addition, subtraction, multiplication, and division are examples of math operations.An expression has the following structure: (Number/variable, Math Operator, Number/variable) is an expression.So,
Given: log 33,000- log 99+ log 30Then,
[tex]\left\{\begin{array}{l}\log \cdot 33 \\000-\log \cdot 99+\log \cdot 30\end{array}\right.\\\left\{\begin{array}{l}\log \cdot 33 \\-\log \cdot 99+\log \cdot 30\end{array}\right.[/tex]
Therefore, we will get [tex]\left\{\begin{array}{l}\log \cdot 33 \\-\log \cdot 99+\log \cdot 30\end{array}\right.[/tex] after simplifying the given expression log 33,000- log 99+ log 30.
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For what values of t are the following expressions undefined?
(10-t)/(t-7)
10/(3t-15)
Answer:
7, 5
Step-by-step explanation:
Change the denominator to make the end result 0. Anything with a 0 denominator results in it being undefined.
The expression (10-t)/(t-7) is undefined when t=7.
The expression 10/(3t-15) is undefined when t=5.
To find the values of t for which the expressions are undefined, we need to look for any values of t that make the denominators equal to zero.
we know that dividing by zero is undefined.
For the expression (10-t)/(t-7), the denominator is t-7.
So, this expression is undefined when t-7=0
To find the value of t that makes t−7=0, solve the equation:
t-7=0
t=7
So, the expression (10-t)/(t-7) is undefined when t=7.
For the expression 10/(3t-15), the denominator is t-7.
So, this expression is undefined when 3t-15=0
To find the value of t that makes 3t-15=0, solve the equation:
3t-15=0
Add 15 on both sides:
3t=15
Divide both sides by 3:
t=5
So, the expression 10/(3t-15) is undefined when t=5.
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