Fionna and Anuar each had 349 cards, bringing the total to 417. Fionna alone had 145 cards.
what is unitary method ?A mathematical concept known as the unitary approach entails calculating the value of a single unit in order to calculate the value of a given quantity. Finding the value of one unit and utilising that value to determine the value of a given quantity is an approach for solving problems. For instance, you can use the unitary technique to determine the price of 10 apples if you know that 5 apples cost $10. Now, divide $10 by 5, which equals $2, to determine the price of one apple. The cost of 10 apples is then determined by multiplying the price of one apple ($2) by 10, giving you a final cost of $20.
given
145 total cards with Fionna
349 total cards with Fionna and Aura
Card count with Anuar: 349 - 145
= 204
Rizza's number of cards equals 1/3 of 204.
= 204 / 3
= 68
Total number of cards: 68, 204, and 145
= 417
Fionna and Anuar each had 349 cards, bringing the total to 417. Fionna alone had 145 cards.
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Find the critical numbers and absolute extrema for….
Final Answer: The critical number is x = DNE. The absolute maximum is x = 0.2, and y = -125.The absolute minimum does not exist on the interval.
To find the critical numbers?we need to find the values of x where the derivative of y equals zero or does not exist. So, we first find the derivative of y: y' = 10x^{(-3)}
The derivative is defined for all x in the interval [0.2, 2], so there are no points where the derivative does not exist.
To find where y' = 0, we set the derivative equal to zero and solve for x: [tex]10x^{(-3)} = 0[/tex] x = DNE There are no critical numbers since the derivative does not equal zero at any point in the interval.
Next, we check the endpoints of the interval: [tex]y(0.2) = -5/ (0.2^2) =[/tex] [tex]-125y(2) = -5/(2^2) = -1.25[/tex] Since y is a decreasing function on the interval,
the absolute maximum occurs at the left endpoint x=0.2: Absolute maximum: [tex]y(-0.2) = -125[/tex]
Since y is an unbounded function as x approaches zero, there is no absolute minimum on the interval [0.2, 2].
Final Answer: The critical number is x = DNE.The absolute maximum is x = 0.2, and y = -125.The absolute minimum does not exist on the interval.
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What is the surface area?
26 ft
36 ft
33 ft
Answer:
To calculate the surface area of an object, we need to know its shape. Please provide more information on the object's shape or context of the problem to calculate its surface area.
A volleyball team wants to order a team T-shirt. The Red Nose company charges $3.50 per shirt plus a $79 flat fee. The green Machine company charges $5 per shirt plus a $40 flat fee. Let T be the total cost and R be the number of shirts
show your full work
Red Nose: t = 4.50r + 55
Green Machine: t = 5r + 40
Find the total number of shirts that would make the total cost for each company the same
Number of shirts:
Cost:
Answer:
To find the total number of shirts that would make the total cost for each company the same, we can set the two equations equal to each other and solve for the number of shirts:
Red Nose: t = 3.50r + 79
Green Machine: t = 5r + 40
3.50r + 79 = 5r + 40
Subtracting 3.50r from both sides, we get:
79 = 1.50r + 40
Subtracting 40 from both sides, we get:
39 = 1.50r
Dividing both sides by 1.50, we get:
r = 26
So the total cost for each company would be the same if 26 shirts are ordered.
To find the total cost for each company when 26 shirts are ordered, we can substitute 26 for r in each equation:
Red Nose: t = 3.50(26) + 79 = $192
Green Machine: t = 5(26) + 40 = $170
Therefore, if 26 shirts are ordered, the total cost would be $192 for Red Nose and $170 for Green Machine.
The shape of the distribution of the time required to get an oil change at a 15-minute oil-change facility is skewed right. However, records indicate that the mean time is 16.4 minutes, and the standard deviation is 4.2 minutes. Complete parts (a) through (c).
Question content area bottom
Part 1
(a) To compute probabilities regarding the sample mean using the normal model, what size sample would be required?
A.
The sample size needs to be greater than or equal to 30.
B.
The sample size needs to be less than or equal to 30.
C.
Any sample size could be used.
D.
The normal model cannot be used if the shape of the distribution is skewed right.
Part 2
(b) What is the probability that a random sample of n=35 oil changes results in a sample mean time less than 15 minutes?
The probability is approximately enter your response here.
(Round to four decimal places as needed.)
Part 3
(c) Suppose the manager agrees to pay each employee a $50 bonus if they meet a certain goal. On a typical Saturday, the oil-change facility will perform 35 oil changes between 10 A.M. and 12 P.M. Treating this as a random sample, there would be a 10% chance of the mean oil-change time being at or below what value? This will be the goal established by the manager.
There is a 10% chance of being at or below a mean oil-change time of enter your response here minutes.
(Round to one decimal place as needed.)
Part 1: a. A. The sample size needs to be greater than or equal to 30.
Part 2: The probability is approximately 0.0013.
Part 3: There is a 10% chance of being at or below a mean oil-change time of 14.9 minutes.
What is sample size?The number of individuals or items in a population that are selected for study.
A. The sample size needs to be greater than or equal to 30.
This is due to the Central Limit Theorem, which states that the sample size of a normal distribution must be 30 or more to produce reliable results.
If a sample size is less than 30, the results may be skewed and not accurately represent the true population mean and standard deviation.
B. The probability is approximately 0.0013.
This probability can be calculated by using the z-score formula and plugging in the mean, standard deviation, and sample size.
The z-score for a sample mean of 15 minutes =-3.3,
which translates to a probability of 0.0013 using the z-score table.
C. There is a 10% chance of being at or below a mean oil-change time of 14.9 minutes.
This can be calculated by using the z-score formula and plugging in the mean, standard deviation, and sample size.
The z-score for a 10% chance= -1.28,
which translates to a mean oil-change time of 14.9 minutes.
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what's the square root of 144
[tex]\sqrt{144} =12\\12*12=144[/tex]
Solve the problems. Show your work.
7
1. Mr. Nguyen had 7/8
pint of water in his water bottle. Then, he drank 2/3
pint. How much water is left in the bottle?
Answer:
7/8 - 2/3 = 5/8 pint of water left in the bottle.
which of these animals can travel at the greatest distance from sea level?
Answer:
Dragonflies
Step-by-step explanation:
They can fly on top of the water, but also, they have the fastest turns per second for their wings.
D.
At Cameron Elementary, 2 out of every 3 teachers are women. If there are 45 teachers
teaching at Cameron, how many of those are men? (2pts)
Answer: 15 of those teachers are men
Step-by-step explanation: 2 out of 3, is of course written as 2/3
if 2/3 are women, this means 2/3 of 45 is 30, meaning 30 of the teachers are women, so if 30/45 are women, the remaining 15 are men
Given the following information, fill in the blanks.
x = 14.5, μ> 13, n = 50, o = 5.1 and a = 0.01
Round to TWO decimal places.
Critical Value: type your answer...
z-value: type your answer...
P-value: type your answer...
Reject or fail to reject? choose your answer...
✨
Answer: 46
Step-by-step explanation: i took quiz i swear the answer is
5 Question At what point does the MAXIMUM occur on the graph above? * pls help D: ( quiz)
Answer:
The answer would be C (1,4)
Step-by-step explanation:
The maximum refers to the highest point on the graph.
In this graph, the highest point lands 1 point to the right of zero and then four points up from there.
Making the maximum (1,4)
Answer:
Step-by-step explanation:
The maximum occurs at (1,4). The maximum is the highest point a function will reach. You can see on the graph that the highest point occurs when x = 1 and y = 4.
So the maximum is at (1,4)
A trick you can use to easily find it next time, imagine a horizontal line is coming down the graph from the top. When the line touches the function, that will be the maximum
the unit rate for this relationship is 1 gallon per 18.25 minutes
The amount of liquid that can be processed in 2 hours at a unit rate of 1 gallon per 18.25 minutes is calculated to be approximately 6.58 gallons.
What is unit rate?
A unit rate is the cost for only one of anything. This is expressed as a ratio with a denominator of 1. For instance, if you covered 70 yards in 10 seconds, you did so at an average speed of 7 yards per second. Although both of the ratios—70 yards in 10 seconds and 7 yards in one second—are rates, only the latter is a unit rate.
Assuming the unit rate of 1 gallon per 18.25 minutes, we can convert 2 hours to minutes by multiplying it by 60, which gives us 120 minutes.
So, in 120 minutes, the amount of liquid that can be processed at a unit rate of 1 gallon per 18.25 minutes would be:
(120 minutes) / (18.25 minutes/gallon) = 6.58 gallons
Therefore, the amount of liquid that can be processed in 2 hours at a unit rate of 1 gallon per 18.25 minutes is found out to be approximately 6.58 gallons.
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The complete question is :
What is the amount of liquid that can be processed in 2 hours at a unit rate of 1 gallon per 18.25 minutes?
You want to create a simulation of the following scenario:
In country x 50% of people have blood type O, 25% have blood type A, 12.5% have blood type B, and 12.5% have blood type AB.
In country y, 60% have blood type O, 20% have type A, 10% have type B and 10% have type AB.
What is the best way to assign values for a simulation using random digits table?
Choose answer from photo below! A, B, C, or D : this is the answer I want, not just an explanation please, thank you so much! 100 points!
Thank you :)
The best way to assign values for a simulation using random digits table will be option A.
What will be the simulation?The best way to assign values for a simulation using a random digits table would be to use a table with at least 10 digits (0-9) in each row.
For Country X, we would assign Blood type O with the digits 0-5, Blood type A with digits 6-7, Blood type B with digit 8, and Blood type AB with digit 9. If a digit outside of these ranges is generated, it would be ignored.
For Country Y, we would assign Blood type O with the digits 0-5, Blood type A with digits 6-7, Blood type B with digit 8, and Blood type AB with digit 9. Again, if a digit outside of these ranges is generated, it would be ignored.
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All nine transactions for Ralston Sports Co. for September, the first month of operations, are recorded in the following T accounts:
Cash
(1)
(7)
(9)
(4)
(8)
(3)
(2)
25,000 (3)
11,900 (5)
9,700 (6)
(8)
James Ralston, Capital
(1)
Accounts Receivable
9,900 (9)
James Ralston, Drawing
7,000
Supplies
12,500
Fees Earned
(4)
(7)
Equipment
9,500
12,500
7,600
10,500
7,000
25,000
9,700
9,900
11,900
Answer:
Step-by-step explanation:
Cash
(1)
(7)
(9)
(4)
(8)
(3)
(2)
25,000 (3)
11,900 (5)
9,700 (6)
(8)
James Ralston, Capital
(1)
Accounts Receivable
9,900 (9)
James Ralston, Drawing
7,000
Supplies
12,500
Fees Earned
(4)
6.
CRITICAL THINKING Consider AJKL.
Rotate AJKL 90° clockwise about the origin.
How are the x- and y-coordinates of AJ'K'L'
related to the x- and y-coordinates of AJKL?
a.
The x- and y-coordinates of AJ'K'L' are related to the x- and y-coordinates of AJKL, as x-coordinate of AJ'K'L' = -y-coordinate of AJKL and y-coordinate of AJ'K'L' = x-coordinate of AJKL.
Explain coordinate plane?We create the x-axis and y-axis in the coordinate plane. the origin, where the x- and y-axes cross, and the coordinates ( 0,0 ). The horizontal axis represents the x-axis. The vertical axis represents the y-axis. The first and second coordinates are for the horizontal and vertical axes, respectively. On the coordinate plane, coordinates are expressed by ( x ,y ). The x-coordinate stands for the first coordinate.
When a point is rotated 90° clockwise about the origin, its x-coordinate becomes the negative of its original y-coordinate, and its y-coordinate becomes the positive of its original x-coordinate.
So, for point A(x,y), its new coordinates after a 90° clockwise rotation about the origin would be A'(-y,x). Similarly, for point J, K, and L, their new coordinates would be J'(-yj,xj), K'(-yk,xk), and L'(-yl,xl) respectively.
Therefore, the x- and y-coordinates of AJ'K'L' are related to the x- and y-coordinates of AJKL as follows:
x-coordinate of AJ'K'L' = -y-coordinate of AJKL
y-coordinate of AJ'K'L' = x-coordinate of AJKL
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Help with number 4!!!
Answer:forgot the explanation
Step-by-step explanation: give me a equation to solve
3/5 = 12/20 and 1/20 = 1/20
Answer:
Step-by-step explanation:
Yes, that's correct!
3/5 can be simplified to 12/20 by multiplying the numerator and denominator by 4:
3/5 x 4/4 = 12/20
And 1/20 is already in its simplest form, so it is equal to 1/20.
Help with this trig identities problems.
1) Given csc Φ = 7/3 and cot Φ = - (2√10)/(3), find sec Φ.
2) Given that sec β = 6/5 and sin β > 0, find tan β and sin β.
Using trigonometric identities, we found that sec Φ = -7/(2√10), sin Φ = 3/7, tan β = √11/5, and sin β = √11/6 for the given values of csc Φ, cot Φ, and sec β.
1. We can start by using the Pythagorean identity to find the values of sin Φ:
[tex]sin^2[/tex] Φ + [tex]cos^2[/tex] Φ = 1
Since csc Φ = 1/sin Φ, we can substitute and solve for sin Φ:
1/(7/3) = sin Φ
sin Φ = 3/7
Next, we can use the fact that cot Φ = cos Φ/sin Φ:
cot Φ = cos Φ/(3/7) = - (2√10)/(3)
Simplifying this expression, we get:
cos Φ = - (2√10)/(3) * (3/7) = - 2√10/7
Finally, we can use the fact that sec Φ = 1/cos Φ:
sec Φ = 1/(- 2√10/7) = -7/(2√10)
2. We can use the fact that sec β = 1/cos β to find the value of cos β:
sec β = 6/5
cos β = 5/6
Next, we can use the Pythagorean identity to find the value of sin β:
[tex]sin^2[/tex] β + [tex]cos^2[/tex] β = 1
sin β = √(1 - [tex]cos^2[/tex] β) = √(1 - 25/36) = √(11/36) = √11/6
Finally, we can use the fact that tan β = sin β/cos β:
tan β = (√11/6)/(5/6) = √11/5
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You mix gas and oil to obtain 2 and 1/2 gallons of mixture for an engine. The mixture is 40 parts gasoline and 1 part oil. How much gasoline must be added bring the mixture to 50 parts gasoline and 1 part oil?
We need to add a volume of 39.69 fluid ounces of gasoline to the mixture to bring it to 50 parts gasoline and 1 part oil.
What is mensuration?Mensuration is the branch of mathematics concerned with the measurement of geometric figures and parameters such as length, volume, shape, surface area, and lateral area.
According to information in the question:
The mixture is 40 parts gasoline and 1 part oil, there are 40 + 1 = 41 parts in total.
Let, the amount of oil in the mixture "x".
We know that there are 2 and 1/2 gallons of the mixture, which is the same as 2.5 * 128 = 320 fluid ounces.
So, the equation which can be formed is
x/41 * 320 = the amount of oil in the mixture (in fluid ounces)
Solving for "x":
x/41 * 320 = x/41 * 50 + 320 - (x/41 * 50)
Multiplying both sides by 41:
x * 320 = 50x + 41(320 - 50x)
Simplifying:
320x = 41(320)
x = 41 * 10 = 410 (fluid ounces of oil in the mixture)
Thus, amount of gasoline in the mixture is
40 parts gasoline / 41 parts total * 320 fluid ounces = 311.22 fluid ounces of gasoline.
Let the gasoline we need be "y", so a equation can be formed as follows
(311.22 + y)/(41 + y) * 320 = 410
Solving for y:
(311.22 + y)/(41 + y) = 410/320
Multiplying both sides by (41 + y) * 320:
311.22 + y = 410/320 * (41 + y) * 320
Simplifying:
311.22 + y = 205.625 * (41 + y)
311.22 + y = 8434.375 + 205.625y
Solving for y:
204.625y = 8123.155
y = 39.69 (fluid ounces of gasoline to add)
Therefore, we need to add 39.69 fluid ounces volume of gasoline to the mixture to bring it to 50 parts gasoline and 1 part oil.
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If $14,000 is invested at 7% annual interest, which is compounded continuously, what is the account balance after 12 years, assuming no additional deposits or withdrawals are made?
the account balance after 12 years of continuous compounding at 7% annual interest, assuming no additional deposits or withdrawals are made, would be $32,447.44.
The formula for continuous compounding is:
A = P[tex]e^(rt)[/tex]
where:
A = the final amount
P = the principal amount (initial investment)
e = the mathematical constant approximately equal to 2.71828
r = the annual interest rate
t = the time in years
Plugging in the given values, we get:
A = 14000[tex]e^(0.0712)[/tex]
A = 14000*[tex]e^0.84[/tex]
A = 14000*2.31796
A = $32,447.44
Compound interest is a type of interest that is calculated not only on the initial principal amount, but also on the accumulated interest from previous periods. In other words, interest is added to the principal amount, and then interest is calculated on the new total amount.
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7.2 Puzzle Time
Where Did Columbus Land when He Found America
The answer to the puzzle is (3)O (7)N which makes word ON, (4)T (10)H (1)E which makes word THE, (6)B (8)E (2)A (9)C (5)H which makes the word BEACH
What is a quadrilateral?
A quadrilateral is a 4 sided polygon. On the basis of its properties quadrilaterals are classified as Trapezium,Kite, Parallelogram, Rectangle, Rhombus and square.
Complete the sentence:
1.Parallelogram-(E)
2.Quadrilateral-(A)
3.Supplementary-(O)
4.Bisect-(T)
5.Congruent-(H)
Using the diagram:
6.Given that KG=17 units, KJ=14 units.
As we know from the figure, GH is congruent to KJ and HJ is congruent to side KG.
Therefore, GH=KJ=14units- (B)
7.∠GKJ=86° and ∠GHJ=(x+6)°
We know that ∠GKJ is congruent to ∠GHJ
Therefore, x+6 = 86
x=86-6
x=80-(N)
8.Given KH=20 & KF= KH÷2 {diagonal pf parallelogram bisect}
=20 ÷ 2
=10 units-(E)
9.Given ∠HJK=82° & We know ∠HJK+∠GKJ=180° {consecutive angles}
∠GKJ=180-∠HJK
=180-82
=98°-(C)
10.Give that, ∠HJK=82° & we know ∠HGK=∠HJK {opposite angles of parallelogram}
∠HGK=82°-(H)
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Smith, from Los Angeles, and Jones, from New York City, are both traveling to Kansas City, beginning their trips at the same time. The graph shows the distance in miles from Kansas City for each of them after they have both traveled for the same number of hours. After how many hours from the start of their journeys were they the same distance from Kansas City?
Answer: The answer should be 20 hours
Step-by-step explanation:
That is when the 2 lines meet up so that is when they are the same difference from Kansas City.
Help with math problems
The vertex form of the quadratic equations in standard form are, respectively:
Case 9: y = 2 · (x + 2)² - 12
Case 10: y = - (1 / 2) · (x + 3 / 4)² + 33 / 32
Case 11: y = 3 · (x - 4 / 3)² - 16 / 3
Case 12: y = - 3 · (x - 3)²
Case 13: y = (x - 4)² + 3
Case 14: y = (x - 1)² - 7
Case 15: y = (x + 3 / 2)² - 9 / 4
Case 16: 2 · (x + 1 / 4)² - 1 / 8
Case 17: y = 2 · (x - 3)² - 7
Case 18: y = - 2 · (x + 1)² + 10
How to derive the vertex form of a quadratic equationIn this problem we find ten cases of quadratic equation in standard form, whose vertex form can be found by a combination of algebra properties known as completing the square. Completing the square consists in simplifying a part of the quadratic equation into a power of a binomial.
The two forms are introduced below:
Standard form
y = a · x² + b · x + c
Where a, b, c are real coefficients.
Vertex form
y - k = C · (x - h)²
Where:
C - Vertex constant(h, k) - Vertex coordinates.Now we proceed to determine the vertex form of each quadratic equation:
Case 9
y = 2 · x² + 4 · x - 4
y = 2 · (x² + 2 · x - 2)
y = 2 · (x² + 2 · x + 4) - 12
y = 2 · (x + 2)² - 12
Case 10
y = - (1 / 2) · x² - 3 · x + 3
y = - (1 / 2) · [x² + (3 / 2) · x - 3 / 2]
y = - (1 / 2) · [x² + (3 / 2) · x + 9 / 16] + (1 / 2) · (33 / 16)
y = - (1 / 2) · (x + 3 / 4)² + 33 / 32
Case 11
y = 3 · x² - 8 · x
y = 3 · [x² - (8 / 3) · x]
y = 3 · [x² - (8 / 3) · x + 16 / 9] - 3 · (16 / 9)
y = 3 · (x - 4 / 3)² - 16 / 3
Case 12
y = - 3 · x² + 18 · x - 27
y = - 3 · (x² - 6 · x + 9)
y = - 3 · (x - 3)²
Case 13
y = x² - 8 · x + 19
y = (x² - 8 · x + 16) + 3
y = (x - 4)² + 3
Case 14
y = x² - 2 · x - 6
y = (x² - 2 · x + 1) - 7
y = (x - 1)² - 7
Case 15
y = x² + 3 · x
y = (x² + 3 · x + 9 / 4) - 9 / 4
y = (x + 3 / 2)² - 9 / 4
Case 16
y = 2 · x² + x
y = 2 · [x² + (1 / 2) · x]
y = 2 · [x² + (1 / 2) · x + 1 / 16] - 2 · (1 / 16)
y = 2 · (x + 1 / 4)² - 1 / 8
Case 17
y = 2 · x² - 12 · x + 11
y = 2 · (x² - 6 · x + 9) - 2 · (7 / 2)
y = 2 · (x - 3)² - 7
Case 18
y = - 2 · x² - 4 · x + 8
y = - 2 · (x² + 2 · x - 4)
y = - 2 · (x² + 2 · x + 1) + 2 · 5
y = - 2 · (x + 1)² + 10
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Shebane rolls a standard six sides number cube. Find p
Answer:
2/3
Step-by-step explanation:
A six sided number cube :
Sample space = 1,2,3,4,5,6
Non composite numbers on a six sided number cube = 1,2,3,5
Probability of an event = required outcome / Total possible outcomes
Required outcome = number of non composite number = 4
Total possible outcomes = sample space = 6
P(not composite)= 4/6 = 2/3
Which statement identifies the effect of replacing f (x) with 1/2 f(×) on the graph?
A The curve would remain the same size but would be flipped upside down.
B The curve would remain the same size but would shift to the left.
C The curve would be narrower, but the vertex would be in the same position.
D The curve would be wider, but the vertex would be in the same position.
quiz help me please
Answer:
D
Step-by-step explanation:
The curve will be wider but the vertex would be in the same position.
If a<1, our function will be wider
If a>1, the function will be more narrow
The correct answer is D
Given the following exponential function, identify whether the change represents
growth or decay, and determine the percentage rate of increase or decrease.
Y=38(1.09)^x
The exponential equation represents a growth, and the rate of increase is 9%.
Is it a growth or a decay?The general exponential equation is written as:
y = A*(1 + r)^x
Where A is the intial value, and r is the rate of growth or decay, depending of the sign of it (positive is growth, negative is decay).
Here we have:
y = 38*(1.09)^x
We can rewrite this as:
y = 38*(1 + 0.09)^x
So we can see that r is positive, thus, we have a growth, and the percentage rate of increase is 100% times r, or:
100%*0.09 = 9%
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f(x) = 2x - 1 g(x) = 7x + 8 find (gof) (x)
Answer:
(gof)(x) = 14x + 1
Step-by-step explanation:
We can think of (gof)(x) as g(f(x)). Writing it in this form shows that we must start with the inner function and work our way to the outer function.
Essentially, the input of the inner function yields an output and the output becomes the input of the outer function.
f(x) means that the input is x and since we're given no value for x (e.g. x = so and so), the output is the original function or 2x - 1
Now, this output becomes the input for g(x):
g(2x-1) = 7(2x - 1) + 8
14x -7 + 8
(gof)(x) = 14x + 1
1. Identify and clearly label the slope and y-intercept for each equation in slope intercept form. Choose the correct answer from the choices below.
Y=-5
A. Slope is-5 and the y-intercept is (0,0)
B.Slope is zero and the y-intercept is (0,-5)
C. Slope is zero and the y-intercept is (0,0)
D. Slope is -5 and the y-intercept is (0,-5)
Slope is zero and the y-intercept is (0,-5)
What is slope ?
In mathematics, slope is a measure of the steepness of a line. It is defined as the ratio of the vertical change (rise) between two points on the line to the horizontal change (run) between the same two points.
In other words, the slope of a line is the change in the y-coordinate divided by the change in the x-coordinate between any two points on the line. It can also be thought of as the rate at which the line rises or falls as it moves horizontally.
The formula for calculating slope is:
slope = (y2 - y1) / (x2 - x1)
where (x1, y1) and (x2, y2) are two points on the line.
According to the question:
The equation Y = -5 is already in slope-intercept form, which is y = mx + b, where m is the slope and b is the y-intercept.
Comparing the equation Y = -5 to y = mx + b, we can see that:
The slope, m, is 0, since there is no x-term in the equation.
The y-intercept, b, is -5, since that is the constant value in the equation.
Therefore, the correct answer is:
B. Slope is zero and the y-intercept is (0,-5)
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In circle C with the measure of minor arc BD=42°, find mBED.
Answer: mBED = 2(42°) = 84°
Step-by-step explanation:
We are asked to find the measure of the central angle ∠BED in the circle given that the measure of the minor arc BD is 42°.
We can use the formula that states that the measure of a central angle is equal to twice the measure of its intercepted arc. That is,
m∠BED = 2*mBD
We can substitute the value of mBD, which is 42°, into our equation.
m∠BED = 2*42°
m∠BED = 84°
Therefore, the measure of the central angle ∠BED is 84°.
What values of y and z make
The value of y and z are 11 and 11.
How to determine the valuesWe can see from the diagram that the two triangles are of equal lengths.
To determine the value of the variables, we have to note that;
In triangle QRS, the adjacent sides is y + 20
In triangle VX, the adjacent side is y = 31
Now, equate the values
y + 20 = 31
collect like terms
y = 31 -20
y = 11
Also, the hypotenuse sides are equivalent, then
y + 3z + 28 = 6y + z - 5
collect the like terms
y - 6y + 3z - z = -5 - 28
add or subtract the values
-5y + 2z = -33
Substitute the values
2z = -33 + 55
2z = 22
z = 11
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A group of 125 students went on a field trip to a museum. Mr. Shan asked a random sample of 50 students which exhibit was their favorite. Ten students favored the insect exhibit, 15 students favored the space exhibit, and 25 students favored the dinosaur exhibit. Based on the survey results, which inferences about the entire group of 125 students are true? Select TWO correct answers. 1.One-fifth of students favored the insect exhibit. 2.The dinosaur exhibit is most favored. 3.The insect exhibit is favored more than the space exhibit. 4.Only 24% of students favored the space exhibit. 5.Fifty students favored the dinosaur exhibit.
Answer:1 and 2
Step-by-step explanation:
so, they asked 50 students and then that was later broke down to smaller groups.
10,15,25
so, for every 10 students will be one. 1 vote= 10 students.
also, the dinosaur had the greatest number of votes so that explains answer 2.