The option or options that would help make the graph less misleading are:
d. i and iii. The scale on the x-axis should be resized. The identity of the two parks should be more clearly differentiated.
Resizing the scale on the x-axis (option i) would help provide a clearer picture of the difference between the two parks, as it would make it easier to see the differences in the number of visitors between the two parks.
Differentiating the identity of the two parks more clearly (option iii) would also help reduce confusion and provide a more accurate representation of the data.
Resizing the scale on the y-axis (option ii) may not be necessary in this case, as the existing scale is appropriate and accurately represents the data.
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proms friend gives him a row of pascal’s triangle and asks which row it comes from. prom adds the numbers and obtains a sum of 65 536. which row do the numbers come from? 34 18 17 16
The correct answer is row number 16 since the sum is 65536 in
pascal's triangle which equals to the 2 power of 16 , that is 4th option.
Pascal's triangle, in algebra, a triangular arrangement of numbers that gives the coefficients in the expansion of any binomial expression, such as (x + y)n. This triangle is the triangular array of numbers that begins with 1 on the top and with 1's running down the two sides of a triangle. In any row of Pascal's triangle, the sum of the first, third, fifth, … numbers is equal to the sum of the second, fourth, sixth numbers.
(1+x)n=(n0)+(n1)x+(n2)x2+⋯+(nr)xr+⋯+(nn−1)xn−1+(nn)xn.
We know that , 2^16 = 65536
Therefore, the numbers come from the row number.16
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select all the expressions that are enwall to 89.75 */* 10
A.897.5 */* 100
B.8.975 */* 10^2
C.8.975 */* 10^0
D.8,975 */* 1,000
E.89,750 */* 10^3
help pls!
Answer: A.897.5 */* 100
Step-by-step explanation:
A lamp in the shape of a triangular pyramid has a height of 17 inches. The area of the base of the lamp is 90 square inches.
What is the volume of the lamp?
A) 510in³
b) 1,065in³
c) 1,350in³
d) 1,530in³
Answer: A-
Step-by-step explanation:
Took the quiz
Please number 15 please help
Answer:
24/30 - 6
21/30 - 3
28/32 - 4
20/25 - 5
Step-by-step explanation:
We need to find the greatest common factor (GCF) for all four of these fractions.
To find the GCF of a fraction, you must list the factors of the numerator and denominator, then determine the largest factor that both numbers have in common.
Remember, factors are numbers that we multiply together to get another number.
------------------------------------------------------
Let's find the GCF of 24/30.
First, we have to list the factors of the numerator and the denominator.
24: 1, 2, 3, 4, 6, 12, 24
30: 1, 2, 3, 5, 6, 10, 15, 30
Then, we determine the largest factor that both numbers have in common.
The largest factor that they have in common is 6. So, the GCF is 6.
------------------------------------------------------
GCF of 21/30.
21: 1, 3, 7, 21
30: 1, 2, 3, 5, 6, 10, 15, 30
The largest factor that they have in common is 3. So, the GCF is 3.
------------------------------------------------------
GCF of 28/32.
28: 1, 2, 4, 7, 14, 28
32: 1, 2, 4, 8, 16, 32
The largest factor that they have in common is 4. So, the GCF is 4.
------------------------------------------------------
GCF of 20/25.
20: 1, 2, 4, 5, 10, 20
25: 1, 5, 25
The largest factor that they have in common is 5. So, the GCF is 5.
cos theta=8/17. Find tan theta
A. 15/8
B. 15/17
C. 17/15
D. 8/15
Answer:
A) \(\frac{15}{8}\)
Step-by-step explanation:
remember Soh Cah Toa!!
\(sin=\frac{opposite}{hypotenuse}\\ cos=\frac{adjacent}{hypotenuse} \\tan=\frac{opposite}{adjacent} \\\\cos=\frac{8}{17}\\\\a^2+b^2=c^2\\8^2+b^2=17^2\\64+b^2=289\\b^2=225\\\sqrt{b^2} =\sqrt{225}\\b=15=opposite\\\\tan=\frac{15}{8}\)
Work out the difference between 5/9and4/9
Answer:
1/9
Step-by-step explanation:
Subtract them
5/9-4/9=1/9 Answer
graph of f(x)=0.5(4)^x
The graph of the exponential function is on the image at the end.
How to find the graph of the exponential function?Here we want to graph the function:
f(x) = 0.5*(4)ˣ
To graph this (or any function) we can find some points on the function, and to do so, we need to evaluate it.
when x = 0:
f(0) = 0.5*(4)⁰ = 0.5
Then the point is (0, 0.5)
when x = 1
f(1) = 0.5*(4)¹ = 2
So we have the point (1, 2)
if x = 2
f(2) = 0.5*(4)² = 8
So we have the point (2, 8)
Now we can graph these points and connect them with a general exponential curve.
The graph of the exponential function is shown below.
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Need help ASAP
!
ありがとう
Ben has 9 packs of balloons. He has 54 balloons in all. How many balloons are in each pack?
Answer:
6 balloons in each pack
Step-by-step explanation:
54 divided by 9 is 6
Are 2x^3y & 2xy^2 like terms
Answer:
No
Step-by-step explanation:
Let's define our 2 terms first.
2x³y
2xy²
We see here that one term has a x³y and the other has a xy² term. Since they are not the same, the 2 terms are not like terms.
15 points plz just get it correct
Answer:
-10/6 = -5/3
Step-by-step explanation:
rise= -10
run= 6
What is the volume of the sphere?
Use \mathrm{\pi } = 3 . 14π=3.14 and round your answer to the nearest hundredth.
Answer:
cubic inches
The volume of the sphere that has a radius of 3 inches is: 113.1 in.³
What is the Volume of a Sphere?Volume of a sphere is found using the formula, V = 4/3 πr³, where r is the radius of the sphere.
Given the following:
π = 3.14r = 3 inchesPlug in the values into V = 4/3 πr³:
Volume of the sphere = 4/3 (3.14)(3)³
Volume of the sphere = 113.1 in.³
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help please
The company from Example IV takes three hours to interview an unqualified applicant and five hours to interview a qualified applicant. Calculate Will Murray's Probability, XIV. Negative Binomial Distr
Note that the mean is 4 hours
The standard deviation is 2.236 hours.
How is this so?The mean time to conduct all the interviews =
(3 hours/unqualified applicant) * (0.5) + (5 hours/qualified applicant) * (0.5)
= 4 hours
The standard deviation of the time to conduct all the interviews is
√((3 hours)² * (0.5)² + (5 hours)² * (0.5)²)
= 2.236 hours
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Full Question:
Although part of your question is missing, you might be referring to this full question:
The company from Example IV takes three hours to interview an unqualified applicant and five hours to interview a qualified applicant. Calculate the mean and standard deviation of the time to conduct all the interviews.
When the students select their random samples and plot the results on a dotplot, which of the following should they expect to see?
The dots, which represent the sample proportions obtained by the students,
A) will all be at the same number.
B) will be wildly unpredictable.
C) will be clustered around 0 and 1.
D) will be centered around p, the true population proportion.
The correct option is "will be centered around p, the true population proportion."
What are random sample?Random sampling is a part of the sampling technique in which each sample has an equal probability of being chosen.
Given that, the students select their random samples and plot the results on a dot plot, the dots, represent the sample proportions obtained by the students,
Since, the dots are representing the sample proportions, we know,
The population proportion is equal to the mean of the sampling distribution of the sample proportion.
Hence, the correct option is "will be centered around p, the true population proportion."
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Please help and show work and steps
Answer:
I and III
Step-by-step explanation:
On a unit circle, the only two angles whose sine is \(-\dfrac{\sqrt{3}}{2}\) are \(\dfrac{4\pi}{3}\) and \(\dfrac{5\pi}{3}\), otherwise known as \(-\dfrac{\pi}{3}\). Therefore, the correct answers are I and III. You can see the unit circle below, where the y coordinates of the above angles show \(-\dfrac{\sqrt{3}}{2}\).
Find f(-3) for f(x) = 4(2)^x
O A. -32
O B. 1/2
O C. -24
O D. 1/8
Answer:
B. 1/2
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightAlgebra I
Functions
Function NotationStep-by-step explanation:
Step 1: Define
Identify
f(x) = 4(2)ˣ
Step 2: Evaluate
Substitute in x [Function f(x)]: f(-3) = 4(2)⁻³Exponents: f(-3) = 4(1/8)Multiply: f(-3) = 1/2What is the point slope form of the line with slope
3 that passes through the point (5, 8)?
Hello there!
Point-Slope Form:
y-y₁=m(x-x₁)
We are given m (the slope) and the point (5, 8)
y-8=3(x-5)
And that's our equation in point-slope form. Hope it helps! :)
\(GraceRosalia\)
1. Differentiate the function f(x) = ln (81 sin^2 (x)) f’(x) 2. Differentiate the function P(t) = in ( √t2 + 9) p' (t) 3. if x2 + y2 + z2 = 9, dx/dt = B, and dy/dt = 4, find dz/dt when (x,y,z) = (2,2,1)
dz/dt =
First you will get 4dz
2x-y=3 and y=9-x in substitution methood
Answer:
By adding equation we get:
2x-y=3
x +y=9
______
3x=12
x=6
Step-by-step explanation:
cut the positive and negative (y)
Solve the equation 12a2 + a – 35 = 0
Answer:
Step-by-step explanation:
Factor to solve.
12a2 + a – 35 = 0
>Multiply the first and the last, 12 and -35
(12)(-35) = -420
> Find 2 numbers that multiply to -420 but add to middle term, 1
-20 and +21 multiply to -420 but adds to 1
>Replace the middle term with -20 and 21
12a² + a – 35 = 0
12a² + 20a - 21a – 35 = 0
>Group the first 2 and last 2 terms
( 12a² + 20a) (- 21a – 35) = 0
>Take out GCF from each of the groupings
4a ( 3a + 5) -7(3a + 5) = 0
>Take out GCF (3a + 5)
( 4a - 7) ( 3a + 5) = 0
>Set each =0 and solve for a
( 4a - 7) = 0 ( 3a + 5) = 0
a=7/4 a = -5/3
can someone get the answer for these two questions?
Answer:
1. 24
2. 9.7
Step-by-step explanation:
Use the formula 1/2bh to solve
1. 1/2 x b x 4.5=54
b=24
2. 1/2 x 8 x h=38.8
h=9.7
Sam has three times as many crayons as Thabo. If he gives Thabo 17 crayons he will have twice as many crayons as Thabo. How many crayons did Thabo have to start with?
Answer:
Thabo had 51 crayons at the start.
Step-by-step explanation:
Sam has three times as many crayons as Thabo. Then
x = 3y.
If Sam gives 17 crayons to Thabo, then he will have twice as many crayons as Thabo. Then
(x-17) = 2(y+17).
Thabo had 51 crayons to start with.
Given that Sam has three times more crayons than Thabo does. He will have twice as many crayons as Thabo if he gives him 17 of them.
We need to determine the number of crayons Thabo had in starting.
Let's use algebra to solve this problem step-by-step.
Let's assume that Thabo starts with "x" crayons.
According to the given information:
Sam has three times as many crayons as Thabo, which means Sam has 3x crayons.
If Sam gives Thabo 17 crayons, he will have (3x - 17) crayons left.
Thabo will have (x + 17) crayons after receiving the 17 crayons from Sam.
Now, the second condition states that if Sam gives Thabo 17 crayons, he will have twice as many crayons as Thabo.
Mathematically, it can be expressed as:
2(x + 17) = 3x - 17
Let's solve this equation to find the value of x:
2x + 34 = 3x - 17
Subtract 2x from both sides:
34 = x - 17
Now, add 17 to both sides:
x = 51
So, Thabo had 51 crayons to start with.
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What is the point-slope equation of the line with slope -4 that goes through the point (-2, 7)?
Answer:
y-7=-4(x+2)
Step-by-step explanation:
y-y1=m(x-x1)
y-7=-4(x-(-2))
y-7=-4(x+2)
A home was sold in 2010 for $250,000. Its value
depreciated by 3.4% yearly. What is the value of the
house in 2012?
Depreciation formula: starting value x (1-rate)^time
250,000(1-0.034)^2 years
250000(0.996)^2= $233,289
The answer is $233,289
Answer:
$233,289
Step-by-step explanation:
250000 *.034=8500
250000-8500=241,500
repeat
A triangle has sides with lengths of 7 millimeters, 8 millimeters, and 10 millimeters. Is it a
right triangle?
Answer:
Depends if you are averaging C or not.
Step-by-step explanation:
Use the pythagorean theorem to solve this.
c = √a^2 + b^2
A and B should be two of your sides and C should equal your third side. If C is incorrect, it is not a right triangle. I plugged in 7 for A and 8 for B. The answer was about 10.63. If you are supposed to round C then yes, it is a right triangle. If you aren't supposed to round C (probably not) then no, It isn't a right triangle.
(05.02)
A line passes through (2,8) and (3, 12).
1. What is the slope of this line?
2. What is the y-intercept (show/explain how you know)
3. What is the equation of this line?
Answer:
1. the slope is 4
2. the y intercept is 0
3. the equation of the line is y=4x
Step-by-step explanation:
First let's find the slope of the line (m)
Let's use the formula (y2-y1)/(x2-x1)
here are the points: (2,8) and (3,12)
let's label them
x1=2
y1=8
x2=3
y2=12
now substitute into the equation.
m=(12-8)/(3-2)
m=4/1
m=4
The slope of the line is 4.
Now, to find the y intercept:
You might have noticed that to go from (2,8) to (3,12), you add 1 to x and 4 to y.
Therefore, to find the y intercept, where the line crosses the y axis, you can first subtract 1 from x and 4 to y to get another point that fits on the line (1,4) and then again to get the point: (0,0)
therefore, the y intercept is 0
the most common method of the equation of the line is y=mx+b, where m is the slope and b is the y intercept
therefore the equation of the line is y=4x+0 or y=4x
Hope this helps!
Consider the function f(x)=2x√3. For what value of x does f(x)=10?
Answer: 34.64
Step-by-step explanation: you multiply 10 and 2 and that gives you 20 and then u square root 20 and 3 and you get your answer.
Solve for v.
Simplify your answer as much as possible.
5+2v=-3
Answer:
1 .Rearrange terms
5+2=−3
2+5=−3
2.Subtract 5 from both sides of the equation
2+5=−3
2+5−5=−3−5
3.Simplify
Subtract the numbers
2=−8
4.Divide both sides of the equation by the same term
2=−8
2/2=−8/2
5.Simplify
Cancel terms that are in both the numerator and denominator
Divide the numbers
solution : =−4
Show that the process X(t):=e t/2
cos(W(t)),0≤t≤T, is a martingale w.r.t. any filtration for Brownian motion and represent it as an Itô process on any time interval [0,T],T>0.
A stochastic process X(t) is called a martingale if the expected value of X(t) given all information available up to and including time s is equal to the value of X(s).
Thus, to show that the process X(t):=e^(t/2)cos(W(t)), 0 ≤ t ≤ T is a martingale w.r.t. any filtration for Brownian motion, we need to prove that E(X(t)|F_s) = X(s), where F_s is the sigma-algebra of all events up to time s.
As X(t) is of the form e^(t/2)cos(W(t)), we can use Itô's lemma to obtain the differential form:dX = e^(t/2)cos(W(t))dW - 1/2 e^(t/2)sin(W(t))dt
Taking the expectation on both sides of this equation gives:E(dX) = E(e^(t/2)cos(W(t))dW) - 1/2 E(e^(t/2)sin(W(t))dt)Now, as E(dW) = 0 and E(dW^2) = dt, the first term of the right-hand side vanishes.
For the second term, we can use the fact that sin(W(t)) is independent of F_s and therefore can be taken outside the conditional expectation:
E(dX) = - 1/2 E(e^(t/2)sin(W(t)))dt = 0Since dX is zero-mean, it follows that X(t) is a martingale w.r.t. any filtration for Brownian motion.
Now, let's represent X(t) as an Itô process on the interval [0,T]. Applying Itô's lemma to X(t) gives:
dX = e^(t/2)cos(W(t))dW - 1/2 e^(t/2)sin(W(t))dt= dM + 1/2 e^(t/2)sin(W(t))dt
where M is a martingale with M(0) = 0.
Thus, X(t) can be represented as an Itô process on [0,T] of the form:
X(t) = M(t) + ∫₀ᵗ 1/2 e^(s/2)sin(W(s))ds
Hence, we have shown that X(t) is a martingale w.r.t. any filtration for Brownian motion and represented it as an Itô process on any time interval [0,T], T > 0.
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I need help please it’s an easy question that I forgot
not completely sure but i think b
Answer:
c
Step-by-step explanation:
add 2 to both sides then multiply 8 to both sides