What rigid motion maps the solid-line figure onto the dotted-line figure?
A. reflection
Brotation
Ctranslation
The rigid motion of the solid line figure is translated to the dotted line figure.
How to find the rigid motion maps a solid line?Translation describe a function that moves an object a certain distance.
In a translation, every point of the object must be moved in the same direction and for the same distance.
In translation, the object is not resized, rotated or reflected. The object usually remains the same but it moves a certain distance.
Therefore, the rigid motion maps the solid-line figure onto the dotted-line figure by translation
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John was ordering cheeseburgers and hotdogs for his family from bob's burger. He spent a total of $14.40 on 14 items. Cheeseburgers cost $2.70 and hotdogs cost $1.20. Define variables and set up a system of equations to represent the situation. You do not have to solve.
PLEASE HELP!!
Only answer if you're absolutely correct, please.
Answer:
1 is multiplication
2 is simplification
3 is subtraction
4 is simplification
Step-by-step explanation:
Complete the inequality to represent the following: 13 times a number x
is less than or equal to 200.
The value for the Inequality 13x ≤ 200 is x ≤ 15.384.
What is Inequality?Mathematical expressions with inequalities are those in which the two sides are not equal. Contrary to equations, we compare two values in inequality. Less than (or less than or equal to), greater than (or greater than or equal to), or not equal to signs are used in place of the equal sign.
Given:
13 times a number x is less than or equal to 200.
Now, Writing the Inequality Mathematically
13x ≤ 200
x ≤ 200 / 13
x ≤ 15.384
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Find the area of the polygon shown. Enter the number into the box.
st2
2 ft
3 ft
6 ft
The required polygon whose area is to be calculated is attached below :
Answer:
16 unit²
Step-by-step explanation:
From the graph, the polygon is a triangle with height of 8 units and base of 4 units ;
Area of a triangle is given as :
Area = 1/2 * base * height
Area = 1/2 * 4 * 8
Area = 2 * 8
Area = 16 unit²
Solve the equation. Simplify your answer.
3(x - 2) = 6(5 + x)
x = [?]
Answer:
-12 =x
Step-by-step explanation:
3(x - 2) = 6(5 + x)
Distribute
3x -6 = 30 +6x
Subtract 3x from each side
3x-6-3x = 30 +6x-3x
-6 = 30+3x
Subtract 30 from each side
-6 -30 = 30+3x-30
-36 = 3x
Divide each side by 3
-36/3 = 3x/3
-12 =x
Jason and Nick were biking at a constant speed of 10 seconds, Jason biked 30 meters and Nick biked 45 meters. Who was biking at a faster rate?
Answer:
Nick
Step-by-step explanation:
Find their rates by dividing the number of meters they biked by 10:
Jason:
30/10
= 3 meters/sec
Nick:
45/10
= 4.5 meters/sec
So, since 4.5 is bigger than 3, Nick was biking at a faster rate.
If f(x) = x^2 on the domain [-2, 2] then f^-1
SOLUTION:
Step 1 :
In this question, we are given that:
\(\begin{gathered} \text{If f ( x ) = x }^2\text{ on the domain of }\lbrack\text{ -2 , 2}\rbrack,^{} \\ \text{Then f }^{-1}\colon \end{gathered}\)Step 2 :
\(\begin{gathered} f(x)=x^2 \\ \text{Let y = f( x )} \\ y=x^2 \\ \text{Then we square - root both sides, we have that:} \end{gathered}\)\(\begin{gathered} x\text{ = }\sqrt[]{y} \\ \text{f }^{-1\text{ }}\text{ ( x ) = }\sqrt[]{\text{ x }}\text{ ( OPTION D )} \end{gathered}\)The table shows how many children and adults prefer each of two different fruits. How would you find the joint relative frequency of being an adult who prefers watermelon?%0D%0A%0D%0AWatermelon%09Grapes%09Total%0D%0AChild%09132%0985%09217%0D%0AAdult%09111%09117%09228%0D%0ATotal%09243%09202%09445%0D%0A%0D%0AA.%0D%0ADivide 111 by 228.%0D%0A%0D%0AB.%0D%0ADivide 111 by 243.%0D%0A%0D%0AC.%0D%0ADivide 111 by 445.%0D%0A%0D%0AD.%0D%0ADivide 243 by 445.
The joint relative frequency is calculated by dividing the frequency of a specific subset (in this case, the number of adults who prefer watermelon) by the total number of data points.
Here, the specific subset is adults who prefer watermelon, which is 111. The total number of data points is the sum of all children and adults, regardless of fruit preference, which is 445.
So, to find the joint relative frequency of being an adult who prefers watermelon, you would divide 111 by 445.
Hence, the correct answer is:
C. Divide 111 by 445.
f(m) = (x + 1)(x - 5)| has two solutions. What is the set of values for f(m)? How would you describe the locations of values in this solution set?
Answer:
x = {x: -1, 5}
Step-by-step explanation:
\({ \rm{f(m) = (x + 1)(x - 5)}}\)
- To find the values of function f(m), we consider its zero or its root by letting f(m) = 0
\({ \rm{f(m) = 0 = (x + 1)(x - 5)}} \\ { \rm{(x + 1)(x - 5) = 0 \: \: \: \: \: \: \: \: \: \: \: \: \: }}\)
- Either (x + 1) or (x - 5) is equated to zero
For (x + 1);\({ \rm{x + 1 = 0}} \\ { \rm{x = - 1}}\)
For (x - 5);\({ \rm{x - 5 = 0}} \\ { \rm{x = 5}}\)
Therefore, x is -1 and 5
\({ \bold{ \boxed{ \red{ \delta}}}}{ \underline{ \red{ \mathfrak{ \: \: creed}}}}\)
You randomly choose a number from 1 to 5 and a letter from A to D. Find the total number of possible outcomes.
Answer:
1a, 1b, 1c, 1d, 2a, 2b, 2c, 2d, 3a, 3b, 3c, 3d, 4a, 4b, 4c, 4d, 5a, 5b, 5c, 5d
20x2 = 40
Step-by-step explanation:
you half ot do the a1,a2,a3,a4 you get what i mean
The total number of possible outcomes are 20.
What is a sample space?A sample space is a set of potential results from a random experiment. The letter "S" is used to denote the sample space. Events are the subset of possible experiment results. Depending on the experiment, a sample area could contain a variety of results.
Given that, choose a number from 1 to 5 and a letter from A to D.
Here, the sample space is
{1A, 1B, 1C, 1D, 2A, 2B, 2C, 2D, 3A, 3B, 3C, 3D, 4A, 4B, 4C, 4D, 5A, 5B, 5C, 5D}
So, possible number of outcomes is 20.
Therefore, the total number of possible outcomes are 20.
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Add a term to the expression so tha it becomes a perfect square trinomial. Y^2-13y+
The term that should be added to the expression to make the expression perfect square trinomial is 169/4. The expression then becomes : (y - 13/2)²
What is meant by a perfect square trinomial?
By multiplying a binomial by another binomial, perfect square trinomials—algebraic equations with three terms—are created. A number can be multiplied by itself to produce a perfect square. Algebraic expressions known as binomials are made up of simply two words, each of which is separated by either a positive (+) or a negative (-) sign. Similar to polynomials, trinomials are three-term algebraic expressions.
A perfect square trinomial expression can be created by taking the binomial equation's square. If and only if a trinomial satisfying the criterion b² = 4ac has the form ax² + bx + c, it is said to be a perfect square.
Given expression y² - 13y + ?
Comparing with the general equation
a = 1
b = -13
For perfect square trinomial
b² = 4ac
(-13)² = 4 * 1 * c
169 = 4c
c = 169/4
So the expression becomes,
y² - 13y + 169/4 = (y - 13/2)²
Therefore the term that should be added to the expression to make the expression perfect square trinomial is 169/4.
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Need this asap help me
Answer:
-1
Step-by-step explanation:
You want the average rate of change of the function shown in the graph between x=-1 and x=2.
Y-valuesThe y-value at x = -1 is 9.
The y-value at x = 2 is 6.
Rate of changeThe graph changes by 6-9 = -3 units as x changes by 2 -(-1) = +3 units.
The average rate of change is ...
(change in y) / (change in x) = -3/3 = -1
The average rate of change from x = -1 to x = 3 is -1.
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Decide which of the two given prices is the better deal and explain why. You can fill a 12-gallon tank of gas for $39.43 or buy gas for $3.20/gallon.
Answer:
$3.20/gallon
Step-by-step explanation:
to fill up your tank at $3.20/gallon only costs $38.40
The _______ pair is the location of a point on the coordinate plane and contains the
x coordinate and y coordinate
Answer:
Ordered
Step-by-step explanation:
The ordered pair is the location of a point on the coordinate plane and contains the x coordinate and y coordinate
An ordered pair tells you the location of a point by relating the point's location along the x-axis (the first value of the ordered pair) and along the y-axis (the second value of the ordered pair). In an ordered pair, such as (x, y), the first value is called the x-coordinate and the second value is the y-coordinate.
Find the equation of the linear function represented by the table below in slope-intercept form.
Answer:
y=4x+4
Step-by-step explanation:
x^3+x²-36 Find all real zeros.
Answer: x=3
Step-by-step explanation:
To find the zeros, you want to first factor the expression.
x³+x²-36
(x-3)(x²+4x+12)
Now that we have found the factors, we set each to 0.
x-3=0
x=3
Since x²+4x+12 cannot be factored, we can forget about this part.
Therefore, the zeros are x=3. You can check this by plugging the expression into a graphing calculator to see the zeros.
Find the standardized test statistic, z to test the hypothesis that p1 = p2. Use α = 0.05. The sample statistics listed below are from independent samples. Sample statistics: n1 = 50, x1 = 35, and n2 = 60, x2 = 40
|0.4552| < 1.96, we fail to reject the null hypothesis that p₁ = p₂.
Therefore, at the 0.05 significance level, there is not enough evidence to conclude that the proportions of success in the two samples are significantly different.
To find the standardized test statistic (z) to test the hypothesis that p₁ = p₂, where p₁ and p₂ are the proportions of success in two independent samples, we can use the following formula:
z = (p₁ - p₂) / √(p * (1 - p) * ((1/n₁) + (1/n₂)))
where:
p₁ and p₂ are the sample proportions of success in the two samples.
p = (x₁ + x₂) / (n₁ + n₂) is the pooled proportion of success in both samples.
n₁ and n₂ are the sample sizes of the two samples.
x₁ and x₂ are the number of successes in the two samples.
Given the sample statistics:
n₁ = 50, x₁ = 35 (sample 1)
n₂= 60, x₂ = 40 (sample 2)
First, calculate the pooled proportion (p):
p = (x₁ + x₂) / (n₁ + n₂)
p = (35 + 40) / (50 + 60)
p = 75 / 110
p ≈ 0.6818
Now, calculate the standardized test statistic (z):
z = (p₁ - p₂) / √(p * (1 - p) * ((1/n₁) + (1/n₂)))
z = (35/50 - 40/60) / √(0.6818 * (1 - 0.6818) * ((1/50) + (1/60)))
z = (0.7 - 0.6667) / √(0.6818 * 0.3182 * (0.02 + 0.0167))
z = 0.0333 / √(0.1456 * 0.0367)
z = 0.0333 / √(0.00534272)
z = 0.0333 / 0.073068
z ≈ 0.4552
Now, compare the standardized test statistic (z) with the critical value at α = 0.05. Since this is a two-tailed test, the critical value is approximately ±1.96 (at a 5% significance level).
Since |0.4552| < 1.96, we fail to reject the null hypothesis that p₁ = p₂.
Therefore, at the 0.05 significance level, there is not enough evidence to conclude that the proportions of success in the two samples are significantly different.
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A classroom has 28 students, 11 of these students are boys. If a student is randomly
chosen, what's the probability that the student will be a girl? Round
Answer:
Probability that student will be a girl = 17 / 28
Step-by-step explanation:
Given:
Total number of student = 28 student
Number of boys in the class = 11
Find:
Probability that student will be a girl = ?
Computation:
⇒ Number of girls in class = Total number of student - Number of boys in the class
⇒ Number of girls in class = 28 - 11
⇒ Number of girls in class = 17
⇒ Probability that student will be a girl = Number of girls in class / Total number of student
⇒ Probability that student will be a girl = 17 / 28
The function f(t) = 3 cos(pi over 6t) + 5 represents the tide in Blastic Sea. It has a maximum of 8 feet when time (t) is 0 and a minimum of 2 feet. The sea repeats this cycle every 12 hours. After nine hours, how high is the tide? 12 feet 5 feet 4.5 feet 2.5 feet
Answer:
5 feet
Step-by-step explanation:
\(f(t) = 3 cos \bigg( \frac{\pi}{6} t\bigg) + 5 \\ \\ plug \: t = 9 \\ \\ \implies \: f(9) = 3 cos \bigg( \frac{\pi}{6} \times 9 \bigg) + 5 \\ \\\implies \: f(9) = 3 cos \bigg( \frac{3\pi}{2}\bigg) + 5 \\ \\\implies \: f(9) = 3 cos \bigg( \pi + \frac{\pi}{2}\bigg) + 5 \\ \\\implies \: f(9) = - 3 cos \bigg( \frac{\pi}{2}\bigg) + 5 \\ [ \because \: cos ({\pi}+\theta) = -\cos \theta]\\\\\implies \: f(9) = - 3 (0) + 5 \\ ( \because \: cos \frac{\pi}{2} = 0) \\ \\ \implies \: f(9) = 0 + 5 \\ \\ \implies \: \huge{ \orange{f(9) = 5 }}\)
Alana runs 4 laps around the track in 10 minutes. If Alana runs 17 laps at the same rate how long does it take her
Answer:
42 minues 5 seconds to do 17 laps.
Step-by-step explanation:
it takes her 2 minuetes and 50 seconds to do 1 lap if you multiply 2.5x17=
42 munites and 5 secondesto do 17 laps
Answer:
It would take 42.5 min
Step-by-step explanation:
4/10 = 2.5(unit rate for every lap it takes 2.5 min)
17 x 2.5 = 42.5
Which point would NOT be a solution to the system of linear inequalities shown below?
It's asking would not be a solution soo
(-10, -9) as you can see
You're welcome thank me later
Find the value of x
8,
9,
7,
10
The value of x in this problem, considering the intersecting chords, is given as follows:
x = 10.
How to obtain the value of x?A chord of a circle is a straight line segment that connects two points on the circle, that is, it is a line segment whose endpoints are on the circumference of a circle.
When two chords intersect each other, then the products of the measures of the segments of the chords are equal.
Hence the value of x is obtained as follows:
12x = 15 x 8
12x = 120
x = 10.
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Let T denote the time in minutes for a customer service representative to respond to 10 telephone inquiries. T is uniformly distributed on the interval with endpoints 8 minutes and 12 minutes. Let R denote the average rate, in customers per minute, at which the representative responds to inquiries. What is the density function for the random variable R on the interval 10/12 <= r <= 10/8
Answer:
The answer is "\(f_{R} (r) =\frac{5}{2r^2}; \frac{10}{12} \leq r \leq \frac{10}{8}\)"
Step-by-step explanation:
They have the distributional likelihood function of T: \(f_{\Gamma } \ (t)= \frac{1}{12-8}= \frac{1}{4}; 8 \leq t \leq 12\)
This is the following PDF of transformation \(R =\frac{10}{T}\)
They know that PDF is the Y=g(X) transformation
\(f_{y} (y)=f_{x} (g^{-1} (y))|\frac{dg^{-1} (y)}{dy}\)
Using theformula, the PDF of \(R =\frac{10}{T}\) is
\(f_{R} (\Gamma)=f_{(\Gamma)} |\frac{d(\frac{10}{r})}{dr}| \\\\f_{R}(r) =\frac{1}{4}| -\frac{20}{r^2}|\\\\f_{R} (r) =\frac{5}{2r^2}; \frac{10}{12} \leq r \leq \frac{10}{8}\\\\\)
Shown below are the scatter plots for four data sets.
Answer the questions that follow.
function count even pass 4 integer parameters and return the count of parameters where the value is an even
The python function code is written as follows.
The python function that takes four integer parameters and returns the count of parameters where the value is an even number. is as follows,
def count_even(*args):
"""
Returns the count of even numbers among the given arguments.
"""
count = 0
for num in args:
if num % 2 == 0:
count += 1
return count
# Example usage
result = count_even(2, 5, 6, 7)
print(result) # Output: 2
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--The complete question is, Write a Python function that takes four integer parameters and returns the count of parameters where the value is an even number.--
solve for x -5(x-4)=-30
Answer:
-5x + 20 = -30
-5x = 10
x = -2
Given 8x^2 – 3 + 4, what is (are) the constant(s)?
Answer:
-3 and 4
Step-by-step explanation:
\(-3\) and \(4\) are the constantssince they aren't multiplied a variable
Suppose that you have 4 green cards and 5 yellow cards. The cards are well shuffled. You randomly draw two cards without replacement.
The probability that two cards will be drawn at random, without replacement, is 13/18.
What is Probability?The ratio of good outcomes to all possible outcomes of an event is known as the probability. The number of positive results for an experiment with 'n' outcomes can be represented by the symbol x.
The probability of an event can be calculated using the following formula.
Probability(Event) = Positive Results/Total Results = x/n
In order to better grasp probability, let's look at a straightforward application.
Let's say we need to forecast if it will rain or not. Either "Yes" or "No" is the appropriate response to this query.
There is a chance that it will rain or not. Here, probability can be used. Using probability, one may forecast the results of a coin toss, a roll of the dice, or a card draw.
According to our answer-
P(at least 1 green) = 1 - P(no green)
P(no green) = draw yellow on both draws
= P(draw yellow on 1st draw) * P( draw yellow on 2nd draw, given draw yellow on 1st draw)
= 5/9 * 4/8 = 20/72 = 5/18
P(at least 1 green) = 1 - 5/18
= 13/18
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what type of number is 15/10
Answer:
The number 15/10 is a fraction, specifically a rational number. It can be expressed as the quotient of two integers, where 15 is the numerator and 10 is the denominator. In this case, the fraction is equivalent to 1.5, which is a decimal representation of the rational number.
Step-by-step explanation:
Answer:
Fraction, 15/10 is written out as 15 Over 10