Answer: False
Step-by-step explanation:
If the function has a negative slope, then it will decrease.
Question 13 (5 points)
Find the greatest common factor of 48a²b7 and 48a6b5z.
a.) 12a²b5
b.) 12a8b¹2
c.) 18a6b7
d.) 48a²b5
The greatest common factor of 48a²b⁷ and 48a⁶b⁵z is the number 48a²b⁵
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
The greatest common factor is the highest number that all the numbers share.
The greatest common factor of 48a²b⁷ and 48a⁶b⁵z is the number 48a²b⁵
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A family is relocating from St. Louis, Missouri, to California. Due to an increasing inventory of houses in St. Louis, it is taking longer than before to sell a house. The wife is concerned and wants to know when it is optimal to put their house on the market. Her realtor friend informs them that the last 18 houses that sold in their neighborhood took an average time of 100 days to sell. The realtor also tells them that based on her prior experience, the population standard deviation is 20 days. (You may find it useful to reference the z table.)
a. What assumption regarding the population is necessary for making an interval estimate for the population mean?
multiple choice
Assume that the central limit theorem applies.
Assume that the population has a normal distribution.
b. Construct the 99% confidence interval for the mean sale time for all homes in the neighborhood. (Round final answer to 2 decimal places.)
The 99% Confidence interval for the mean sale time for all homes in the neighborhood is:87.857, 112.143.
Confidence intervala. The assumption is: Assume that the population has a normal distribution.
The CI is exact for the normal populations and for small samples the z-interval method should be used in a situation where the variable is normally distributed.
b. Confidence interval:
CI=Sample mean±z-score×Standard deviation/√Size of the sample
CI=100-2.576×20/√18, 100+2.576×20/√18
CI=100-12.143, 100+12.143
CI=87.857, 112.143
Therefore the 99% Confidence interval is 87.857, 112.143.
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3) A communications company is planning a new network of specialty ZTX cables linking the major cities noted below. The cost to complete the project is $150 per mile. Draw a diagram of the minimum spanning tree and the cost associated with it.
The Minimum Spanning Tree diagram associated with ZTX's project is indicated as attached. The total cost associated with it is $1,664,550
What is a Minimum Spanning Tree?A graph spanning tree is a set of linked edges that encompass every vertex in the graph but do not create a cycle. A graph may have several such spanning trees.
The Minimum Spanning Tree, on the other hand, has the least cumulative edge weights.
What is the calculation for the attached minimum spanning tree?The starting point is Seattle.
The total minimum cost is given as:
(1306 + 629 + 435 + 1983 + 1225 + 1483 + 661 + 1145 + 1709 + 183 + 338) x 150
= $1,664,550
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1. There are 50 contestants signed up for a TV show. There are 36 more female contestants than male contestants. How many female contestants have signed up to compete? Show your solution and explain how you plan to explain this to your students.
The number of female contestants who signed up to compete is; 43.
What is the number of female contestants?Let number of females = x
Let number of males = y.
Hence, it follows from the task content that;
x+y = 50
x-y = 36.
Hence, by adding both equations together in a bid to determine the number of females; we have;
2x = 86
x = 43.
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What are the sums? Complete the equations. 12 +15= -12+(-15) = help 36 points
A summation, also called a sum, is the result of arithmetically adding numbers or quantities. A summation always contains a whole number of terms. There can be as few as two terms, or as many as a hundred, a thousand, or a million. Some summations contain infinitely many terms.
12 + 15= 27
-12 + (-15)= -12 -15
= -27
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The Chief Operating Officer (COO) of the City Hotel has three people reporting to him: The Hotel Manager, The Retreat Coordinator and the Program Manager. The Hotel Manager has responsibility for the Front Desk, Housekeeping, Maintenance and Security. The Program Manager has responsibility for the Massage Therapists, the Yoga Instructors and the Dance Instructors. Draw a tree diagram representing these reporting relationships.
The tree diagram representing these reporting relationships is attached.
What is a tree diagram?It should be noted that a tree diagram is a planning tool that is used to show the hierarchy of tasks that are needed to be completed.
In this case, the tree diagram shows the way the employees report to each other.
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Write the equation for the following relation. D = {(x, y ): (3, 9), (5, 25), (-2, 4), . . .}
The equation for the given relation is a quadratic equation:
[tex]y = x^2[/tex]
How to write an equation for the given relation?
Here we have the relation:
D = {(x, y); (3, 9), (5, 25), (-2, 4), ...}
Notice that for each coordinate point, we can see that the output is equal to the square of the input:
[tex]3^2 = 9\\5^2 = 25\\(-2)^2 = 4[/tex]
Then the equation is just:
[tex]y = x^2[/tex]
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give answer please too hard to solve
Answer:
see explanation
Step-by-step explanation:
to evaluate f(a) substitute x = a into f(x)
f(a) = 5a + 4
---------------------
2f(a) = 2(5a + 4) = 10a + 8
-----------------------
to evaluate f(2a) substitute x = 2a into f(x)
5(a + 2) + 4 = 5a + 10 + 4 = 5a + 14
--------------------------
f(a) + f(2) ← substitute x = 2 into f(x)
= 5a + 4 + 5(2) + 4 = 5a + 4 + 10 + 4 = 5a + 18
If p is the probability of success of a binomial experiment, then the probability of failure is what?
Answer:
1 - p
Step-by-step explanation:
1 - p
how tell me how you got answer 5.9 and also if you do at calculate can show me how to do pls thanks.
The steps you have are correct. I'll fill in the gap between step 2 and step 3.
[tex]0.4245 = \frac{2.5}{\text{x}}\\\\0.4245\text{x} = 2.5\\\\\text{x} = \frac{2.5}{0.4245}\\\\\text{x} = 5.8892815\\\\\text{x} = 5.9\\\\[/tex]
I multiplied both sides by x, then divided both sides by 0.4245 to isolate the variable.
With the exception of 2.5, every other decimal value mentioned is approximate.
show a graph for the following: f(x)=3^2
The blue curve of the image attached below represents the graph of the function f(x) = 3 · x².
How to determine the graph of a given function
In this question we have a power function formed by the product of a primitive function g(x) = x² and vertical dilation h(x) = 3, then:
f(x) = h(x) · g(x)
f(x) = 3 · x²
Now we proceed to graph both the primitive function and the transformed function with a graphing tool. Please notice that the primitive function is the red curve.
Remark
The statement presents typing mistakes. Correct form is shown below:
Show a graph for the following: f(x) = 3 · x².
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f Tanisha has $ 1,000 to invest at 5 % per annum compounded , how long will it be before she has $1,400 ? If the compounding is continuous, how long will it be?
Question content area bottom
Part 1
Compounding , it will be about
enter your response here years before Tanisha has $1,400.
With annual compounding, the number of years for 1000 to become 1400 is 6.7 years
With continous compounding, the number of years for 1000 to become 1400 is 1.35 years
How long would it take $1000 to become $1,400?With annual compounding, the formula that would be used is:
(In FV / PV) / r
Where:
FV = future value PV = present value r = interest rate(In 1400 / 1000) / 0.05 = 6.7 years
With continous compounding, the formula that would be used is:
(In 1400 / 1000) / (In e^r)
Where r = interest rate
((In 1400 / 1000) / (In e^0.05) = 1.35 years
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Find the value of x. Round to the
nearest tenth.
X
26
12
X
x = [?]
Answer:
Step-by-step explanation:
This is classic right triangle trig, cos specifically. Our reference angle is the one marked 26°, the hypotenuse is given as 12, and the side adjacent to the reference angle is our unknown. This is the cosine ratio. Setting up to solve for x:
[tex]cos26=\frac{x}{12}[/tex] and
12cos(26) = x Plug this into your calculator in degree mode to get that
x = 10.8
The area of a square quilt is 35 ft 2. How will it look stretched across a queen sized bed measuring 60 inches wide and 80 inches long?
The quilt will be 10.99 inches wider and 9.01 inches shorter than the bed.
What is the relationship between the quilt and the bed?The first step is to determine the dimensions of the quilt.
Dimensions = √35 = 5.92 feet
Now convert the dimensions of the quilt to inches
1 feet = 12 inches
5.92 x 12 = 70.99 inches
Difference in the width of the bed and the quilt = 70.99 - 60 = 10.99
Difference in the length of the bed and the quilt = 80 - 70.99 = 9.01
Here are the options:
A. The quilt will cover half of the surface of the bed.
O B. The quilt will match up with the length of the bed, but 20 inches will hang over the length. °
C. The quit will be 14.6 inches wider and 15.4 inches shorter than the bed. O D. The quilt will be 10.99 inches wider and 9.01 inches shorter than the bed.
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Find A when p= 2000, r= 7%, n= 4, and t= 4
A=prt
A=2000×7%×4
=560
when the subtracts 4 from both sides 1/2x=-1/2
Subtracting 4 from both sides of the equation ¹/₂x = -¹/₂ gives us; ¹/₂x - 4 = -¹/₂ - 4
How to use subtraction property of equality?We want to simply the expression which is;
¹/₂x = -¹/₂
Now, when we subtract 4 from both sides, it means we are using subtraction property of equality which states that subtracting the same value from both sides of an equation makes the equation still to be equal. Thus, we have;
¹/₂x - 4 = -¹/₂ - 4
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Convert the following equation into slope-intercept form.
7x+y = 7
y = -7x+?
Answer:
y = - 7x + 7
Step-by-step explanation:
the equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
given
7x + y = 7 ( subtract 7x from both sides )
y = - 7x + 7 ← in slope- intercept form
a box contains 7 red balls and 2 blue balls. how many more blue balls do you need to add to the box to make the probobility of pulling a red ball 0.5
A) 2
B) 3
C) 4
D) 5
E) None Of The Above
Using the probability concept, the number of blue balls you need to add is:
D) 5.
What is a probability?A probability is given by the number of desired outcomes divided by the number of total outcomes.
A probability of 0.5 is reached if the number of red balls is the same as the number of blue balls. Current the difference is of 7 - 2 = 5, hence 5 blue balls must be added.
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8 through 10 thank you answers only
Answer:
8) - 8z^3 - 3z^2 - 2z + 13
9) g^3 - 3g^2 + 3g + 6
10) (14n + 21) - (8n + 7) = 6n + 14
9) Find the median of the data set.
O a.) 8
Ob.) 5
Oc.) 10
O d.) 13
Data:
5, 8, 12, 6, 7, 10, 14, 6, 13
Answer:
a
Step-by-step explanation:
the median is the middle value of the data arranged in ascending order
5 , 6 , 6 , 7 , 8 , 10 , 12 , 13 , 14 ← ascending order
↑ middle value
median = 8
Answer:
8
Step-by-step explanation:
To find the median, we must put all of the data in order and select the middle number. Since there are 9 terms, the median will be the 5th term.
5, 6, 6, 7, 8, 10, 12, 13, 14
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Which name accurately describes the figure shown below and why? A 4-sided figure with 2 parallel sides, 2 right angles, and 2 non-congruent sides. parallelogram, because the figure has two pairs of parallel sides parallelogram, because the figure has exactly one pair of parallel sides trapezoid, because the figure has two pairs of parallel sides trapezoid, because the figure has exactly one pair of parallel sides Mark this and return
evaluate 5(x-1)-2 when x=3 (urgent)
Answer: 8
Step-by-step explanation:
Since x=3, we can plug in 3 for x in the equation:
[tex]5(3-1)-2\\5(2)-2\\10-2\\8[/tex]
⊱________________________________________________________⊰
Answer:
8
Step-by-step explanation:
Plug in 3 for x
[tex]\sf{5(3-1)-2}[/tex]. [tex]\large\textbf{[Perform the operation in parentheses]}[/tex][tex]\sf{5(2)-2} \ \ \ \ \ \large\textbf{[Multiply 5 by 2 next]}[/tex]
[tex]\sf{10-2} \ \ \ \ \large\textbf{[Subtract]}[/tex]
[tex]\sf{8}[/tex]
Done !! Hope this made sense to you !!
⊱________________________________________________________⊰
[tex]\small\pmb{\tt{CALLIGRAPHY}}[/tex]
If the 1st and 10th terms of geometric sequence are 4 and 100, fin the nth term of the sequence.
Answer:
a = 4 first term, r = ?, T10 = 100.Tn = ar^n - 1 formula for g.pT10 = 4r^ 10 - 1100 = 4r^9Divide both side by 4100/4 = 4/4r^925 = r^9 take the 9th root of both side 9√25 = 9√r^9r = 9√25To find the nth term Since Tn = ar^n - 1
The sum of five consecutive integers equals 5.5 times the middle integer. Find the integers.
The integers are therefore -2, -2, 0, 1 and 2
Linear equationLet the five consecutive integers be x-3, x-2, x-1, x and x+1
If the sum of five consecutive integers equals 5.5 times the middle integer, then;
x-3+x-2+x-1+x+x+1 = 5.5(x-1)
5x - 5 = 5.5x - 5.5
Collect the like terms
5x-5.5x = -5.5 + 5
-0.5x = -0.5
x = 1
The integers are therefore -2, -2, 0, 1 and 2
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Which set of ordered pairs could be generated by an exponential function?
The set of ordered pairs that could be generated by an exponential function is; C: (-1,1/2), (0, 1), (1, 2), (2, 4)
How to find the ordered pairs?An exponential function is represented by the general form;
y = abˣ
The above equation means that the value (0, 0) cannot be an ordered pair in an exponential function.
The highlight above means that, the options A, B and D cannot generate an exponential equation because they contain the point (0,0).
Thus, the set of ordered pairs that could be generated by an exponential function is option C: (-1,1/2), (0, 1), (1, 2), (2, 4)
The missing options are;
A. (-1,-1/2), (0, 0),(1,1/2), (2, 1)
B. (–1, –1), (0, 0), (1, 1), (2, 8)
C. (-1,1/2), (0, 1), (1, 2), (2, 4)
D. (–1, 1), (0, 0), (1, 1), (2, 4)
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Simplify the expression using the proper order of operations
5[6 ÷ 2^2 ∙ 3 - 1]
The simplification of the expression 5(6 ÷ 2² × 3 - 1) using the proper order of operation is 3.75
Simplification5(6 ÷ 2² × 3 - 1)
Bodmas
B - BracketO - ofD - divisionM - MultiplicationA - AdditionS - Subtraction= 5(6 ÷ 4 × 3 - 1)
= 5(6 ÷ 4 × 2)
= 5(6 ÷ 8)
= 5(0.75)
= 3.75
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A sum of money is shared between Aaron and Betty in the ratio 2:5 Aaron received $60.How much money was shared altogether?
Answer:
The answer is $210.
Step-by-step explanation:
60/2 = 30. 30*5= 150. 150+60=210.
well, we know Aaron received $60, and we also know that Aaron and Betty are sharing the total on a 2:5 ratio, thus
[tex]\cfrac{Aaron}{Betty}~~ = ~~\cfrac{2}{5}\implies \cfrac{60}{Betty}~~ = ~~\cfrac{2}{5}\implies (60)(5)=(Betty)(2) \\\\\\ \cfrac{(60)(5)}{2}=Betty\implies 150=Betty~\hfill \underset{\textit{total money shared}}{\stackrel{60~~ + ~~150}{210}}[/tex]
f(x)=x+3
g(x) = 2x² - 4
Find (f. g)(x).
Answer:
[tex](f \cdot g)(x)[/tex] = [tex]2x^2 -1[/tex]
Step-by-step explanation:
[tex](f \cdot g)(x)[/tex], read as "f of g of x", means we have to use the function [tex]\bf g(x)[/tex] as input for the function [tex]\bf f(x)[/tex]. This means, we have to replace the [tex]x[/tex] in the definition of [tex]f(x)[/tex] with [tex]g(x)[/tex].
[tex]f(x)=x+3[/tex]
[tex]g(x) = 2x^2 - 4[/tex]
∴ [tex](f \cdot g)(x) = f(g(x))[/tex]
⇒ [tex]g(x) + 3[/tex]
⇒ [tex](2x^2 - 4) + 3[/tex]
⇒ [tex]2x^2 -1[/tex]
Which of the following statements does NOT adequately describe a developmental progression?
A-The order in which skills and concepts build on one another as children develop is called a developmental progression.
B- A developmental progression provides a specific sequence of instruction to support children as they build their math knowledge.
C- A developmental progression is a skill check- list that four-years- olds must master to be prepared for kindergarten.
The statement which does not adequately describe a developmental progression is Choice C- A developmental progression is a skill check- list that four-years- olds must master to be prepared for kindergarten.
What is developmental progression?The Developmental Progression of Functional Skills is a concept which describes the child's growth in which case, the child's develops relationship with family members and a sense of self in the process and this concept in discuss is not limited to four-year olds.
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Write an Algebra equation to the following question: Stephen and Lauren bought a home to flip for a profit. After budgeting a total of $23,150 for improvements, they started by spending $10,350 on subbing out some of the work. They would like to replace all thirty-two of the windows in the home. What is the maximum amount they can afford to spend on each window?
The maximum amount they can afford to spend on each window is $400
EquationTotal budget = $23,150Amount spent on subbing = $10,350Number of windows = 32Amount spent on each window = x23,150 = 10,350 + 32x
23,150 - 10,350 = 32x
12,800 = 32x
divide both sides by 32x = 12,800 / 32
x = $400
Therefore, the amount spent on each window is $400
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