Answer:
I believe it’s 20
Step-by-step explanation:
1st: 2x-2
2nd: 2x
3rd: 2x+2----
sum = 54
6x = 54
x = 9
1st: 2x-2 = 16
2nd: 2x = 18
3rd: 2x+2 = 20
Combine these radicals 3[/2] - 5 [/2]
On combining the radicals 3[tex]\sqrt{2}[/tex] and -5[tex]\sqrt{2}[/tex] we get the answer
- 2[tex]\sqrt{2}[/tex].[tex]\sqrt{2}[/tex]
Square Root : The root of a number in math is a number that when multiplied by itself produces the original number. For example, the square root of 49 is 7 because 7×7=49. In this case, because 7 is multiplied by itself twice to produce 49, we call 7 the square root of 49.
Given are the two radicals 3[tex]\sqrt{2}[/tex] and -5[tex]\sqrt{2}[/tex]
Explanation:
Subtracting both the numbers, we get
= 3[tex]\sqrt{2}[/tex] + (- 5[tex]\sqrt{2}[/tex])
opening brackets, we get
= 3[tex]\sqrt{2}[/tex] - 5[tex]\sqrt{2}[/tex]
Taking common [tex]\sqrt{2}[/tex] from both the digits, we get
= ( 3 - 5 ) [tex]\sqrt{2}[/tex]
On subtracting, we get
= - 2[tex]\sqrt{2}[/tex]
Therefore, on combining the radicals 3[tex]\sqrt{2}[/tex] and -5[tex]\sqrt{2}[/tex] we get the answer
- 2[tex]\sqrt{2}[/tex].
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Formula the vertex is located at (8.33, 236.67). what does this point represent in context?
It depends on the situation being modeled.
Assuming the vertex (8.33,236.67) is on a quadratic curve modeling height of an object in feet after t seconds.
Then t=8.33s is the time when the object reached the maximum height.
The maximum height is the y-value of the vertex, which is 236.67 feet.
In such a case the quadratic curve opens downwards.
The vertex is then the maximum point on this curve.
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Answer:
It means that the maximum of the graph is the total daily profit from the soccer balls, and can be maximized by selling them for 8.33$
☆
You can copy this into the text box, you will get the correct answer w/ full response.
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The left and right page numbers of an open book are two consecutive integers whose sum is 427. Find these page numbers.
The page number of left page is 213
The page number of right page is 214.
Given,
The left and right page numbers of an open book are two consecutive integers.
We can take:
The left page number = n
The right page number = n + 1
The sum of the page numbers = 427
That is,
n + (n + 1) = 427
We can solve this equation:
n + (n + 1) = 427
2n + 1 = 427
2n = 427 -1
2n = 426
n = 426/2
n = 213
n + 1 = 213 + 1 = 214.
Therefore,
The left page number is 213 and right page number is 214.
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For each function, identify the transformation from the parent function y=b x . y=5 x+3
Transformation of y= b*x into y = 5x + 3 will take place by vertical dilation by a scale factor of 5 and vertical translation of 3 units.
A parent function is the simplest form of a particular family of functions. A family of operations is a group of tasks with the same highest degree and therefore the same graph shape.
Function transformations "move" "resize" or "mirror" the graph of the parent function.
Mathematically speaking, the transformation of the function y = f(x) is usually y = a f(b(x + c)) + d. where a, b, c, and d are arbitrary real numbers representing transformations. Note that all outer numbers (outside the brackets) represent vertical translations, and all inner numbers represent horizontal translations. Addition and subtraction are translations, and multiplication and division are dilations. Every time a minus sign is multiplied it means it is a reflection here, 'a' stands for vertical stretch, 'b' stands for horizontal stretch, 'c' stands for horizontal movement, 'd' stands for vertical movement
We have given two functions y=b x and y = 5x + 3 which means that first, y changes into 5x i.e., vertical dilation by a scale factor of 5 and it changes to y = 5x + 3 i.e.., vertical translation of 3 units.
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(Lesson 5: Equations and Their Graph Discussion)
In general, how can a graph help us find solutions to two-variable equations?
A graph can help us find solutions to two-variable equations through the point of intersection.
How to illustrate the information?The appropriate steps will be:
Draw a graph for each side, or component, of the equation and check to see where the curves intersect, or are equal, to solve an equation graphically.
The answers to the equation are the x values of these places.
Plotting the graph of each equation allows us to clearly understand the solution. The point of intersection of the two lines is where the solution, which is an ordered pair that satisfies both equations, occurs on both lines.
Therefore, a graph can help us find solutions to two-variable equations through the point of intersection.
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Solve 2 sin²θ = -sinθ for θ with 0 ≤ θ<2π . Show your work.
The solution for the trigonometric expression 2sin²θ = -sinθ are θ = 0, π, 2π/3, 7π/6, and 11π/6 which are lies between 0 ≤ θ<2π.
What is the trigonometric ratio?The trigonometric ratio is defined as the ratio of the pair of a right-angled triangle.
It is given that:
The trigonometric expression is:
2 sin²θ = -sinθ where 0 ≤ θ< 2π
2 sin²θ + sinθ = 0
sinθ(2sinθ + 1) = 0
sinθ = 0 or sinθ = -1/2
θ = 0, π or θ = 2π/3, 7π/6, 11π/6
θ = 0, π, 2π/3, 7π/6, and 11π/6
Thus, the solution for the trigonometric expression 2sin²θ = -sinθ are θ = 0, π, 2π/3, 7π/6, and 11π/6 which are lies between 0 ≤ θ<2π.
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Find the mistake made in the steps to solve the equation.
Change the statement “eighteen to the fourth power” to a numerical expression.
Step-by-step explanation:
18^4 (18 with a smaller 4 on the top right corner)
MATH homework if someone can help
Step-by-step explanation:
[tex]7x < 67 - 32 \\ 7x < 35 \\ \frac{7x}{7} < \frac{35}{7} \\ x < 5[/tex]
Is 0.2525252525252525 a rational or irrational
Answer: Yes
Step-by-step explanation:
A repeating decimal can be a rational number.
Rational
Step-by-step explanation:Rational and irrational numbers are 2 of the broadest categories within real numbers.
Writing the Number as a Fraction
Rational numbers are defined as numbers that can be written as simple fractions. Simple fractions have integers for the numerator and denominator. This means neither the numerator nor denominator is a fraction or decimal. The number above is 0.25 repeated. When 2 digits are repeated you can place that number over 99 to create an equivalent fraction.
0.2525252525252525 = [tex]\displaystyle \frac{25}{99}[/tex]Since this number can be written as a fraction, it must be a rational number.
Bar Notation
Additionally, repeated decimals are always rational. In the example above, the digits .25 are repeated. If you don't want to write it as a fraction, you can use bar notation. Bar notation helps to shorten repeated decimals and show that they are rational. In this notation, you place a bar over the digits that are repeated.
0.2525252525252525 = [tex]0.\overline{25}[/tex]need help with this equation
The solution for the variable a in the fraction equation given as 1/12a - 1/2 = -1/8 is 9/2
How to solve for a in the fraction equation?The fraction equation is given as
1/12a - 1/2 = -1/8
Add 1/2 to both sides of the equation
So, we have
1/12a = 1/2 - 1/8
Take LCM and evaluate the sum
1/12a = (4 - 1)/8
Evaluate the difference
1/12a = 3/8
Multiply both sides of the equation by 12
So, we have
a = 9/2
Hence, the solution for the variable a in the fraction equation given as 1/12a - 1/2 = -1/8 is 9/2
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for what values of positive integers n is (n-11)(n-13) prime?
The values of positive integers n (n-11)(n-13) prime would be 6 and the solution are; 5 and 7.
What is prime factorization?Factorization is expressing a mathematical quantity in terms of multiples of smaller units of similar quantities.
For an integer, factorization is decomposition of that integer in terms of smaller integers which when multiplied with each other give back that considered number. Those composing integers are called factors of that considered integers.
The Prime factorization is when all those factors are prime numbers.
Since prime factorization expresses an integer in terms of multiples of prime numbers.
Prime factorization is unique for each integer.
The value of n would be 6
(n-11) = 6- 11 = 5
(n-13) = 6 - 13 = 7
Therefore, the values of positive integers n (n-11)(n-13) prime would be 6.
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Find the midpoint of the line segment.
midpoint of the line segment is (1/2 , -3)
A midpoint of a line segment is the point on a segment that bisects the segment into two congruent segments.
Let (a1, b1) and (a2, b2) be the ending point of the line segment. The midpoint formula of a line segment joining these two points is given as:
(a , b ) = ((a₁ +a₂)/2 , (b₁ +b₂)/2)
Here ,
a₁ =-2
a₂=3
b₁=-1
b₂= -5
(a , b ) = ((-2 +3)/2 , (-1 -5)/2)
(a , b ) = (1/2 , -3)
midpoint of the line segment is (1/2 , -3)
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Solve. Check for extraneous solutions. (2 x+3)¹/₂-7=0
No extraneous solution to the equation.
The equation is
[tex](2x + 3)^{1/2}[/tex] - 7 = 0
To find whether the equation has an extraneous solution, first we have to find the value of x.
[tex](2x + 3)^{1/2}[/tex] = 7
Squaring both sides, we get
2x + 3 = 49
2x = 46
x = 23
Now put the value of x in the equation,
[tex](2 * 23 + 3)^{1/2}[/tex] - 7 = 0
[tex](46 + 3)^{1/2}[/tex] - 7 = 0
[tex]49^{1/2}[/tex] - 7 = 0
7 - 7 = 0
0=0
Therefore we get that there is no extraneous solution to the equation, x= 23 is the solution of the equation.
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3-
a³-b³
5
WHAT IS THE VALUE OF THIS EXPRESSION
WHEN A = 2 AND B = -32
Answer:
A=2
B=-1
Step-by-step explanation:
a=(23−25)⋅ (4−5)=2
b=(97−123)/(18+8)=−1
I need serious help. Algebra 1.Please Help.
Answer:
Step-by-step explanation:
a:) Solve for b:
a = b/c^2
a = b/c^2 is equivalent to b/c^2 = a:
b/c^2 = a
Multiply both sides by c^2:
Answer: b = a c^2 = Dark Green
part 2) a = b/c^2 where a = 1/8, c = 4
b = 2
____________________________________________
b:) Solve for v:
-v + m = k
Subtract m from both sides:
-v = -m + k
Multiply both sides by -1:
Answer: v = m - k = Light blue
part 2) m - v = k where k = -7, m = -2
v = 5
__________________________________________
c:) Solve for q:
p/q = r/s
Take the reciprocal of both sides:
q/p = s/r
Multiply both sides by p:
Answer: q = (p s)/r = yellow
part 2) p/q = r/s where p = 14, r = -7, s = -4
q = 8
I am equivalent to 1 3/4 and as an improper
fraction my numerator is 9 more than my
denominator. What am I?
Answer:
21/12
Step-by-step explanation:
1 3/4 in improper form is 7/4
7 is not 9 more than 4 so its another equivalent
7/4 × 2/2 = 14/8
That isn't 9 more than the denominator either
7/4 × 3/3 = 21/12
21 - 12 = 9 so 21 is greater than 12 by 9.
complete :
i⁶⁴ = ....
first off let's recall that 4³ = 64, and that i⁴ = 1, so
[tex]i^{64}\implies i^{4^3}\implies i^{4\cdot 4\cdot 4}\implies i^{4\cdot 16}\implies (i^4)^{16}\implies (1)^{16}\implies \text{\LARGE 1}[/tex]
You can model time t , in seconds, an object takes to reach the ground falling from height H , in meters, by t(H)=√2H/g . The value of g is 9.81 m/s². If an object takes 7 seconds to fall to the ground, what was its initial height?
The height of the building is 240.34m
Since we are given t=√2h/g
By Squaring both sides we get simplifies equation as t²=2h/g
We are given the value of t as 7 and value of g as 9.81
Putting these values in the simplified equation we get
h=49×9.81/2
h=240.34m
Hence the height of the building is 240.34m
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Complete the square to determine if the equation is a circle, quadratic (parabola) or other. Show all work and graph the circles and quadratics on a grid.
The equation of the ellipse, circle, and parabola will be written as (x + 9)² / 4 + (y - 1)² / 16 = 1, (x + 4)² + (y - 3)² = 40, and y = - (x + 3)²/ 4 + 1, respectively.
How to draw the graph of the function?Equation A is transformed as,
16x² + 4y² + 96x - 8y + 84 = 0
16(x² + 6x + 9 - 9) + 4(y² - y + 1 - 1) + 84 = 0
16(x + 9) - 144 + 4(y - 1)² - 4 + 84 = 0
16(x + 9)² + 4(y - 1)² = 64
(x + 9)² / 4 + (y - 1)² / 16 = 1
This is the equation of the ellipse.
Equation B is transformed as,
x² + y² + 8x - 6y - 15 = 0
x² + 8x + 16 + y² - 6y + 9 - 15 = 16 + 9
(x + 4)² + (y - 3)² = 40
This is the equation of the circle.
Equation C is transformed as,
x² + 6x + 4y + 5 = 0
x² + 6x + 9 - 9 + 4y + 5 = 0
y = - (x + 3)²/ 4 + 1
This is the equation of the parabola.
The graph of the function is given below.
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Katie and Jill currently share a dresser, and each would like to have one of her
own. As a valued member at the local furniture store, you receive an additional
discount off each purchase. Calculate the amount of discount off each item. (2
points)
17% off a $35 dresser
12% off a $32 dresser
20% off a $55 bookshelf
12% off a $22 mirror
Answer: A
explain: because 17 = 35
Mrs. Jonah’s class of 18 students checked out a total of 351 books from the library last year. What was the ratio of books to students? Responses
Answer:
39:2 (simplified)
Step-by-step explanation:
books : students
351 : 18
(divide by 9)
39 : 2
Please help, how do I know if it’s a function or not a function?
Answer:
It is not a function because the number 1 repeats twice (If the numbers in the domain repeat then it is not a function)
Which statement is true of this function?
ƒ(x) = (²) — 2
O A. As the value of x increases, the value
B. The domain of the function is (-2, 00).
OC. The function has a y-intercept at (0,-2).
OD. The function is increasing.
The correct answer is [a]. As value of the x increases the value
According to this function, the value of f(x) grows closer to a constant as the value of x rises.
What is the purpose?A relationship between a group of the inputs and one output each is referred to as a function.
The function specified is;
[tex]f(x)= (\frac{1}{5})^{x}-2[/tex]
According to this function, value of f(x) travels in the direction of a constant as the value of x rises.
(-2,00) is function's domain.
The y-intercept of function is at (0,-2).
The performance is the deteriorating.
As a result, statement that this function advances toward a constant value as x rises is accurate.
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14 inches of wire costs 56 cents.
At the same rate, how many inches of wire can be bought for 28 cents?
[tex]\huge\boxed{7\ \text{inches}}[/tex]
We're trying to find how many inches of wire can be purchased with 28 cents, so we'll start by finding how much wire can be bought with just one cent.
This amount will be represented with [tex]w[/tex].
[tex]14=56w[/tex]
Divide both sides of the equation by 56.
[tex]\dfrac{14}{56}=w\\\\\dfrac{1}{4}=w[/tex]
Now, we'll multiply this value by 28 cents to find the final answer.
[tex]\dfrac{1}{4}\cdot28=\boxed7[/tex]
Solve the equation below by factorising. 12 − 8w + w² = 0
Answer: I hope this is what your looking for....
12-86+2^2 = 0
w=6
w=2
Step-by-step explanation:
Answer: w = 6,2
Step-by-step explanation:
7x(92+7) = (7x92)+(7x_)
Answer:
7
Step-by-step explanation:
7x(92+7) = 693
(7x92) = 644
(7x92) +
(7x7) = 49
644 + 49 = 693
What are the dimension of the actual garage?
Answer:
Is there any picture to go with it perhaps?
Step-by-step explanation:
MATHEMATICS: Solve the quadratic equation x²7x+2=0 using method by completing the square, leaving your answer in two decimal places.
Mai's teacher orders tickets to the local carnival for herself, the entire class, and 3 more chaperones. Student tickets are $4.50.
help me with the answer PLEASE
Answer: you take 4.50 multiply it by 4 for the chaperons and the teacher then multiply 4.50 by how many students there are then add those two together and there is your answer
Step-by-step explanation: