Unionville's statue should be 30 feet tall.
Scale factor:A scale factor is a ratio that represents the relationship between corresponding measurements on two similar figures. It is usually expressed as a fraction or decimal.
For example, if you have two similar rectangles, one with dimensions 4×6 and the other with dimensions 8×12, the scale factor between them would be:
8/4 = 2 and 12/6 = 2
Here we have
The Statue of Liberty is about 300 feet tall and about 30 feet wide.
The town of Unionville is building a smaller model for their Fourth of July celebration. Unionville's statue will be 3 feet wide.
To determine the height of Unionville's statue, use the ratio of the width of the two statues i.e scale factor, and apply it to the height of the Statue of Liberty.
The scale factor for the dimensions of the statute
= Ratio of widths
= Width of model figure/ Width of the original statue
= 3 feet / 30 feet = 0.1
So, the height of Unionville's statue should be:
0.1 x 300 feet = 30 feet
Therefore,
Unionville's statue should be 30 feet tall.
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jackie says that 200÷1/8=25. ls Jackie correct? Explain
Answer:
Jackie is wrong the answer is 1600
Step-by-step explanation:
200divided by 1/8 is equivalent to 200 times 8/1 which is 1600
Calculate 1 + 3 + 5 +...+ (2n - 1) for several natural numbers n.
Answer:
The solutions for 1 + 3 + 5 +...+ (2n - 1), for the first 10 natural numbers are given in the explanation section below.
Step-by-step explanation:
To calculate 1 + 3 + 5 +...+ (2n - 1) for several natural numbers n, we will use several natural numbers to represent n.
For n= 1,
2n - 1 = 2(1) - 1 = 2 - 1 = 1
Hence, 1 = 1
For n = 2,
2n - 1 = 2(2) - 1 = 4 - 1 = 3
Hence, 1 + 3 = 4
For n = 3,
2n - 1 = 2(3) - 1 = 6 - 1 = 5
Hence, 1 + 3 + 5 = 9
For n = 4,
2n - 1 = 2(4) - 1 = 8 - 1 = 7
Hence, 1 + 3 + 5 + 7 = 16
For n = 5,
2n - 1 = 2(5) - 1 = 10 - 1 = 9
Hence, 1 + 3 + 5 + 7 + 9 = 25
For n = 6,
2n - 1 = 2(6) - 1 = 12 - 1 = 11
Hence, 1 + 3 + 5 + 7 + 9 + 11 = 36
For n = 7,
2n - 1 = 2(7) - 1 = 14 - 1 = 13
Hence, 1 + 3 + 5 + 7 + 9 + 11 + 13 = 49
For n = 8,
2n - 1 = 2(8) - 1 = 16 - 1 = 15
Hence, 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 = 64
For n = 9,
2n - 1 = 2(9) - 1 = 18 - 1 = 17
Hence, 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 = 81
For n = 10,
2n - 1 = 2(10) - 1 = 20 - 1 = 19
Hence, 1 + 3 + 5 + 7 + 9 + 11 + 13 + 15 + 17 + 19 = 100
The mapping diagram represents a relation where x represents the independent variable and y represents the dependent variable.
Is the relation a function? Explain.
O Yes, because for each input there is exactly one output
Yes, because for each output there is exactly one input
O No, because for each input there is not exactly one output
O No, because for each output there is not exactly one input
To verify if the relation is a function, it must be verified if from each value of x only one arrow departs.
When does a relation represents a function?A relation represents a function when each input value is mapped to a single output value.
In mapping notation, with the arrows, it must be verified if there is no input from which more than one arrow departs.
Missing Information
The problem is incomplete, hence the general procedure to verify if the relation is a function was presented.
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cos (x + 16) = sin(3x – 2)
Answer:
x = 19
Step-by-step explanation:
So cos and sin are closely related, but they are not equal. In order for these two to be equal to each other, the angles (in the parenthesis by the cos and by the sin) have to be complementary. That is, they have to add up to 90°
Use this idea to set up an equation.
x + 16 + 3x - 2 = 90
Combine like terms.
4x + 14 = 90
Subtract 14.
4x = 76
Divide by 4.
x = 19
x = 19
If you are kooking for the angles:
x + 16
= 19 + 16
= 35
and
3x - 2
= 3(19) - 2
= 57 - 2
= 55
Check: 35 + 55=90
Also,
cos35 = sin55
a) The capacity of P vessel is 12 I and that of Q vessel is 18 l. Write the capacities of different vessels which completely fill P vessel with exact number of fillings.
he capacities of vessels which completely fill P vessel with exact number of fillings are: Two fills of Q vessel (2 x 18 = 36 I), Three fills of P vessel (3 x 12 = 36 I), One fill of Q vessel and one fill of P vessel (18 + 12 = 30 I)
How to write the capacities of different vessels which completely fill P vessel with exact number of fillings.To completely fill the P vessel, we need to find the common factors of 12 and 18.
12 = 2 x 2 x 3
18 = 2 x 3 x 3
The common factors are 2 and 3.
So, the capacities of vessels which completely fill P vessel with exact number of fillings are:
- Two fills of Q vessel (2 x 18 = 36 I)
- Three fills of P vessel (3 x 12 = 36 I)
- One fill of Q vessel and one fill of P vessel (18 + 12 = 30 I)
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How to solve the problem of equivalent fractions
1/2=1/2=1/2.is the value for the given equivalent fraction, by putting the value 3.4 in the numerators respectively
What is Equivalent Fraction?The fractions with distinct numerators and denominators but the same value are said to be equivalent fractions.
For instance, since 2/4 and 3/6 both equal the 1/2, they are identical fractions. An element of a whole is a fraction. The same amount of the whole is represented by equivalent fractions.
1/2 = /6 = /8.
a. Multiply numerator and denominator by 3 for equivalenting the equation /6
Therefore,
3*3/6*3
=9/18
=1/2
therefore:1/2=1/2.
b. Multiply numerator by 4
Therefore,
4/8
=1/2.
Therefore:
1/2=1/2.
1/2=1/2=1/2.
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Transform the table below given that g(x) = 2 f(6x).+ 8. Enter your answers as reduced fractions if necessary. Make sure your answers line up vertically with the corresponding x and f(x) values. As a hint, you can consider y f(x) to be the base graph of g(x).
The function g(x) = 2f(6x) + 8 is a function transformation of the function f(x)
How to transform the table?The function g(x) is given as:
g(x) = 2f(6x) + 8
The table is not given.
So, I will provide a general explanation
Using the following values of x:
x = 0, 1, 2, 3......
We have:
g(0) = 2f(6 *0) + 8
g(0) = 2f(0) + 8
g(1) = 2f(6 *1) + 8
g(1) = 2f(6) + 8
g(2) = 2f(6 *2) + 8
g(2) = 2f(12) + 8
g(3) = 2f(6 *3) + 8
g(3) = 2f(18) + 8
Next, we assume the following values
f(0) = 4, f(6) = 5; f(12) = 6 and f(18) = 7
The values become:
g(0) = 2f(0) + 8 = 2 * 4 + 8 = 16
g(1) = 2f(6) + 8 = 2 * 5 + 8 = 18
g(2) = 2f(12) + 8 = 2 * 6 + 8 = 20
g(3) = 2f(18) + 8 = 2 * 7 + 8 = 22
So, the table of values would be:
x g(x)
0 16
1 18
2 20
3 22
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2/5 of employees in a company drive to work, 1/3 travel by bus and the rest walk. 1. Find the fraction of who walk.
Answer:
4/15
Step-by-step explanation:
2/5 drive
1/3 bus
and rest walk
fraction of those who walk is 1-(2/5+1/3)
2/5+1/3=(6+5)/15=11/15
15/15-11/15=4/15
When Ibuprofen is given for fever to
children 6 months of age up to 2 years, the
usual dose is 5 milligrams (mg) per kilogram
(kg) of body weight when the fever is under
102.5 degrees Fahrenheit. How much
medicine would be usual dose for a 18
month old weighing 21 pounds?
milligrams
Round your answer to the nearest milligram.
Answer: The usual dose for an 18-month-old weighing 21 pounds is 48 mg of ibuprofen.
Step-by-step explanation: To find the usual dose of ibuprofen for a child, we need to follow these steps:
Convert the child’s weight from pounds to kilograms. One pound is equal to 0.4536 kilograms, so we multiply 21 by 0.4536 to get 9.5256 kilograms.Multiply the child’s weight in kilograms by the dose per kilogram. The dose per kilogram is 5 mg when the fever is under 102.5 degrees Fahrenheit, so we multiply 9.5256 by 5 to get 47.628 mg.Round the result to the nearest milligram. To round a number to the nearest milligram, we look at the digit after the decimal point. If it is 5 or more, we add one to the digit before the decimal point and drop the rest. If it is less than 5, we keep the digit before the decimal point and drop the rest. In this case, the digit after the decimal point is 6, which is more than 5, so we add one to the digit before the decimal point and drop the rest. The result is 48 mg.Therefore, the usual dose for an 18-month-old weighing 21 pounds is 48 mg of ibuprofen. Hope this helps, and have a great day! =)
Select all the correct answers
A. Reflection across the x-axis followed by reflection across the y-axis and then a dial action by scale factor 0.5
B. A 90 counterclockwise rotation about the origin and then dialation by scale factor
C. A 180 clockwise rotation about the origin and then a dialation by scale factor of 0.5
D. A transition 2 units down and 5 units left and then a dialation by scale factor
9. Name the property the equation illustrates.0 + x = xMultiplication Property of 0Identity Property of AdditionCommutative Property of AdditionInverse Property of Multiplication
ANSWER
Identity property of addition
EXPLANATION
Given
\(0+x=x\)The identity property of addition states that the sum of zero and any number is the number.
The right option is; Identity property of addition
Hence
\(0+x=x\)Which ordered pair solves this linear system?
Y= -x
Y= 2x
The ordered pair that solves the system of equation is (0, 0).
To solve this system, we can substitute the first equation into the second equation to eliminate y:
x = 2x
Solving for x, we get x = 0.
Substituting x = 0 into the first equation, we get y = 0.
Therefore, the ordered pair that solves the system is (0, 0).
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In an art history class there are two male students for every three female students. What is the ratio of female to male students in that class?
Answer:
3:2
Step-by-step explanation:
3 females every 2 males
Prove that the only automorphism of a well-ordered set is the identity?
The only automorphism of a well-ordered set is the identity.
To prove this statement, we need to show that any automorphism of a well-ordered set must be the identity function. An automorphism is a bijective function that preserves the order structure of the set.
Assume we have a well-ordered set (W, ≤), where W is the set and ≤ is the order relation.
Let f: W → W be an automorphism of the set.
We aim to prove that f is the identity function, i.e., f(x) = x for all x ∈ W.
Suppose, for contradiction, that there exists an element a ∈ W such that f(a) ≠ a.
Since f is a bijective function, there must exist some b ∈ W such that f(b) = a.
Since (W, ≤) is well-ordered, there is a least element c in the set {x ∈ W : f(x) ≠ x}.
Let d = f(c). Since f is an automorphism, f(c) ≠ c, and thus d ≠ c.
Since (W, ≤) is well-ordered, there is a least element e in the set {x ∈ W : f(x) = d}.
Consider the element f(e). Since f is a bijective function, there must exist some f^{-1}(f(e)) = e' ∈ W such that f(e') = f(e) = d.
By the definition of automorphism, f(f^{-1}(y)) = y for all y ∈ W. Applying this property to e', we have f(f^{-1}(f(e'))) = f(e') = d.
However, f^{-1}(f(e')) = e' ≠ c, and thus f(e') ≠ d. This contradicts the fact that e is the least element in the set {x ∈ W : f(x) = d}.
Therefore, our assumption that there exists an element a such that f(a) ≠ a is false.
Since we assumed f(a) ≠ a for arbitrary a ∈ W, it follows that f(x) = x for all x ∈ W.
Hence, the only automorphism of a well-ordered set is the identity function.
Therefore, we have proven that the only automorphism of a well-ordered set is the identity function.
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O LINEAR EQUATIONS AND INEQUALITIES
Graphing a compound inequality o...
Graph the compound inequality on the number line.
x>-8 and x≤-3
The compound inequality on the number line is shown below.
We have been given a compound inequality. We are asked to graph the given inequality on number line.
x>8 and x≤3
The solution for the inequality is all values of x less than or equal to 3 and greater than or equal to 8.
We will have solid dots at x>-8 and x≤-3 .
One arrow of the number line would be from 3 to left of the number line (towards negative infinity). The other arrow will be from 8 to right side of number line towards positive infinity.
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A survey asked, "How many tattoos do you currently have on your body?" Of the 1211 males surveyed, 185 responded that they had at least one tattoo. Of the 1097 females surveyed, 130 responded that they had at least one tattoo. Construct a 90% confidence interval to judge whether the proportion of males that have at least one tattoo differs significantly from the proportion of females that have at least one tattoo. Interpret the interval. Let p 1 represent the proportion of males with tattoos and p 2 represent the proportion of females with tattoos. Find the 90% confidence interval for p 1 minus p 2.
Answer:34%
Step-by-step explanation:I think this is right but I don’t really understand
Find the measure of an exterior angle of a regular polygon with 19 sides. Round to the nearest tenth if necessary.
Question 10 options:
Yes; Opposite sides are parallel.
Yes; Diagonals bisect each other.
Yes; Diagonals are congruent.
No; Diagonals are not congruent.
Answer:
Each exterior angle measures 360/19 degrees, approximately 18.9 degrees.
Step-by-step explanation:
Start at one vertex of the polygon and go clockwise. When you reach the next vertex, you change direction. At each vertex you change direction by the same angle. When you are back to the first vertex, and start along the first side, you have completed a full 360 degrees clockwise. Since there are 19 sides and vertices, you must have turned 360/19 degrees at each vertex.
find the cost of 47.2 m cloth if the cost of 1 m cloth is $33.90
Answer: 1600.08
Step-by-step explanation:
47.2m*33.90
Which expression can be used to find the area of the figure below? V k 9 The figure is not drawn to scale O Oko 1 -9 2 2009) otke8-8 h
The figure is a rectangle plus a triangle. We know that the area of a rectangle is given by:
\(A_R=bh\)the area of the triangle is given by:
\(A_T=\frac{1}{2}bh\)for the rectangle we have that the base is v and its height is k. For the triangle we have a base of v and and a height of 9, therefore the total area is:
\(vk+\frac{1}{2}v(9)\)Hence the answer is the third option.
What is the measurement of the angle below?
y=-0.024x^2+0.0791x+4.873
The equation y = \(-0.024x^2\) + 0.0791x + 4.873 represents a quadratic function with a downward-opening parabol
The given expression is a quadratic equation in the form y = -0.024x^2 + 0.0791x + 4.873. Let's analyze its components and characteristics.
The equation represents a quadratic function, where x is the independent variable and y is the dependent variable. The coefficients in front of each term determine the shape, position, and direction of the graph.
The term with the highest power of x is -0.024x^2, which indicates a downward-opening parabola. The coefficient -0.024 determines the steepness of the curve. A negative coefficient means the parabola is concave down.
The term 0.0791x is the linear term and determines the slope of the line. A positive coefficient indicates an upward or positive slope. It affects the overall direction and position of the graph.
The constant term 4.873 is the y-intercept. It indicates the point at which the graph intersects the y-axis when x = 0.
To analyze the graph of the quadratic equation further, we can calculate the vertex. The x-coordinate of the vertex can be found using the formula x = -b/(2a), where a and b are the coefficients of x^2 and x, respectively. In this case, a = -0.024 and b = 0.0791. Substituting these values into the formula, we have x = -0.0791 / (2 * -0.024) ≈ 1.643. By substituting this x-coordinate into the equation, we can find the y-coordinate of the vertex.
Overall, the equation y =\(-0.024x^2 + 0.0791x\) + 4.873 represents a quadratic function with a downward-opening parabola. The specific properties, such as the vertex and other key points, can be determined by further calculations and analysis of the equation.
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Can someone help me on what I could do to do better for my classes cause most on them I got a low grade and I think I might have to go to summer school if I don’t do good, also I have this huge test today and I think I’m gonna fail on it
Answer:
Dont worry man take a deep breath just try your best and if worse case you do bad and on the test take your time and don’t feel pressured
Step-by-step explanation:
Answer:
nope. you only go to summer school if you flunked about 60% of your core subjects. and/or if you also flunked your PAT'S/SAT'S. don't worry buddy.
(iready question pls answer ASAP)
What is the equation of the line?
A) y=2x+2
B) y=2x-4
C) y=1/2x+2
D)y=1/2x-4
PLEASE Hurry If f(x)=7x2−2 and g(x)=2(x−7)2 , which is an equivalent form of f(x)−g(x) ? A 5x2−100 B 5x2+28x−100 C 5x2+14x−51 D 3x2+56x−198
Answer:
5x^2 +28x - 100
Step-by-step explanation:
f(x)=7x^2−2 and g(x)=2(x−7)^2
First simplify g(x)
g(x) = 2 ( x-7)(x-7) = 2( x^2 - 7x -7x +49) = 2(x^2 -14x +49) = 2x^2 -28x +98
Now f(x) - g(x)
f(x) - g(x) = 7x^2−2 - (2x^2 -28x +98)
Distribute the minus sign
= 7x^2−2 - 2x^2 +28x -98
Combine like terms
= 5x^2 +28x - 100
2. The total number of fans who went to watch professional tennis games from March to
December can be modeled by the function F(x) = 90x2 + 232x² + 1075x + 3125 and the number of
professional tennis games played from March to December can be modeled by G(x) = 9x + 25
where x is the number of months since March. Which of the following expressions correctly
describes the average number of fans per tennis game?
could yall help me on this pls!!
Answer:
Step-by-step explanation:
Remark
Make a very crude diagram of what these points look like. You will find that
(-8,6) is above (-8,3) (-3,6) is above (-3,3)That gives you a hint about how to find the Length and width.
Givens
From (-8,-3) and (-3, 3) L = -8 - -3 = - 5
From (-8,6) and (-8,3) w = 6 - 3 = 3
Solution
The length cannot be minus 5. The way to get around that is to call it and absolute value of (-5) which is 5
So the area = L*W
area = 5 *3
area = 15
Answer
Area = 15
Mr. Chand is one of the landlords of his town. He buys a land for his daughter spanning over a
area of 480m². He fences the dimensions of the land measuring (x+12) mx (x+16) m. Now he
plans to erect a house with a beautiful garden in the ratio 5:3 respectively. A total of Rs. 5,00,000 is estimated as the budget for the expenses.
1)Give the area of the land purchased in linear polynomial form using algebraic expression
2)Mr. Chand's daughter is ready to share 3/5" of the expenses by her earnings. Express the
fraction in amount.
3)Can you solve the linear equation/polynomial of the area into different factors?
The required answers are 1) \($$A = x^2 + 28x + 192$$\) 2) 300000 3) \($$x^2 + 28x + 192 = (x + 14 - 2\sqrt{19})(x + 14 + 2\sqrt{19})$$\).
How to deal with area and fractions?area of the land purchased is given as 480m², and the dimensions of the land are (x+12)mx(x+16)m. Therefore, the area of the land can be expressed as:
\($$A = (x+12)(x+16)$$\)
Expanding this expression, we get:
\($$A = x^2 + 28x + 192$$\)
Hence, the area of the land purchased is given by the polynomial expression \($x^2 + 28x + 192$\).
The total budget for the expenses is Rs. 5,00,000. If Mr. Chand's daughter is ready to share 3/5 of the expenses, then the fraction of the expenses she will pay is:
\($\frac{3}{5}=\frac{x}{500000}$$\)
Simplifying this expression, we get:
\($x = \frac{3}{5}\times 500000 = 300000$$\)
Therefore, Mr. Chand's daughter will pay Rs. 3,00,000 towards the expenses.
We can solve the polynomial \($x^2 + 28x + 192$\) into different factors by using the quadratic formula:
\($x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}$$\)
Here, the coefficients of the polynomial are:
\($$a = 1, \quad b = 28, \quad c = 192$$\)
Substituting these values in the quadratic formula, we get:
\($x = \frac{-28 \pm \sqrt{28^2 - 4\times 1 \times 192}}{2\times 1}$$\)
Simplifying this expression, we get:
\($$x = -14 \pm 2\sqrt{19}$$\)
Therefore, the polynomial \($x^2 + 28x + 192$\) can be factored as:
\($$x^2 + 28x + 192 = (x - (-14 + 2\sqrt{19}))(x - (-14 - 2\sqrt{19}))$$\)
or
\($$x^2 + 28x + 192 = (x + 14 - 2\sqrt{19})(x + 14 + 2\sqrt{19})$$\)
So, we have factored the polynomial into two factors.
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Write the slope-intercept form of the equation of each line.
2) y-1 = (x+4)
Answer:
y =x +5
Step-by-step explanation:
Slope-intercept form : y = mx + b
y - 1 = x + 4
y = x + 4 + 1
y = x + 5
Aiden runs a farm stand that sells apples and strawberries. Each pound of apples sells
for $2 and each pound of strawberries sells for $3. Aiden made $80 from selling a
total of 35 pounds of apples and strawberries. Write a system of equations that could
be used to determine the number of pounds of apples sold and the number of pounds
of strawberries sold. Define the variables that you use to write the system.
Answer:
Step-by-step explanation:
A 99 ft length of wire is to be cut into 2 pieces, so that the longer piece is eight feet longer than six times the shorter piece. Fond the length of each piece.
9514 1404 393
Answer:
13 ft86 ftStep-by-step explanation:
Let s represent the length of the short piece. Then the long piece is 6s+8, and the total length is ...
s +(6s+8) = 99
7s = 91 . . . . . . . . subtract 8, collect terms
s = 13 . . . . . . . . . divide by 7
99 -13 = 86 = 6(13)+8 . . . length of long piece
The short piece is 13 feet long; the long piece is 86 feet long.