Answer:
No
Step-by-step explanation:
In a triangle, the sum of each 2 sides must be greater than the third side.
17 + 32 ≠ >49
17 + 32 isn't greater than 49.
I hope this helps.
to the right of z = 2.01. express your answer as a decimal using 4 decimal places. give the exact value on the chart. do not round your answer.
The area to the right of z = 2.01 is 0.0222, which can be found using a standard normal distribution table.
Explanation:
To find the area to the right of z = 2.01, we need to use a standard normal distribution table. A standard normal distribution has a mean of 0 and a standard deviation of 1. The table gives the area under the curve to the left of a given z-score.
Since we want the area to the right of z = 2.01, we need to subtract the area to the left of z = 2.01 from 1. Using the table, we can find that the area to the left of z = 2.01 is 0.9778. Therefore, the area to the right of z = 2.01 is 1 - 0.9778 = 0.0222.
The area to the right of z = 2.01 represents the probability that a standard normal random variable takes on a value greater than 2.01 standard deviations above the mean. This can be used in various applications, such as hypothesis testing or confidence interval estimation, where we want to find the probability of observing a sample mean that is a certain number of standard deviations away from the population mean.
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The table represents the function fix).
f(x)
X
-3
-2
−1
0
1
2
3
-3
0
3
69
9
What is (3)?
09
F(3) is equal to 9, based on the given table and the corresponding values of x and f(x). Option D.
To find the value of F(3) based on the given table, we look at the corresponding x-value of 3 and find its corresponding f(x) value.
From the table, we see that when x = 3, f(x) = 9. Therefore, F(3) = 9.
The table shows the values of x and their corresponding f(x) values. We can see that when x increases by 1, f(x) also increases by 3. This indicates that the function has a constant rate of change, where the change in f(x) is always 3 units for every 1 unit change in x.
Given that F(3) represents the value of the function when x = 3, we look at the x-values in the table and find the corresponding f(x) value. In this case, when x = 3, f(x) = 9.
Therefore, the value of F(3) is 9. Option D is correct.
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Ava has a lawn-mowing business. She earned 72 dollars in total from mowing 9 lawns today. How much does she charge for each lawn-mowing job?
Answer:
$8
Step-by-step explanation:
You divide $72 by 9 to get the money for each lawn-mowing job.
72/9 = 8
She charges $8 for each lawn she mows.
what happens to the function y=3^x when x increases by 1
When x increases by 1 in the function y=3^x, the value of the function will be multiplied by 3.
How to determine what happens when x is increased by 1Given the function
y = 3^x
An increment in the value of x would make the expression be multiplied by 3
To see why this happens, we can compare the value of the function at x and x+1:
y(x+1) = 3^(x+1)
y(x+1) = 3^x * 3 (by the laws of exponents)
y(x+1) = 3 * 3^x
Therefore, we can see that when x increases by 1, the value of the function is multiplied by 3.
This means that the function grows very quickly as x increases.
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PLZ HELP!!! I Will give brainliest. What is the value of x in sin(3x)=cos(6x) if x is in the interval of 0≤x≤π/2
Answer:
sin(2x)=cos(π2−2x)
So:
cos(π2−2x)=cos(3x)
Now we know that cos(x)=cos(±x) because cosine is an even function. So we see that
(π2−2x)=±3x
i)
π2=5x
x=π10
ii)
π2=−x
x=−π2
Similarly, sin(2x)=sin(2x−2π)=cos(π2−2x−2π)
So we see that
(π2−2x−2π)=±3x
iii)
π2−2π=5x
x=−310π
iv)
π2−2π=−x
x=2π−π2=32π
Finally, we note that the solutions must repeat every 2π because the original functions each repeat every 2π. (The sine function has period π so it has completed exactly two periods over an interval of length 2π. The cosine has period 23π so it has completed exactly three periods over an interval of length 2π. Hence, both functions repeat every 2π2π2π so every solution will repeat every 2π.)
So we get ∀n∈N
i) x=π10+2πn
ii) x=−π2+2πn
iii) x=−310π+2πn
(Note that solution (iv) is redundant since 32π+2πn=−π2+2π(n+1).)
So we conclude that there are really three solutions and then the periodic extensions of those three solutions.
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Related Questions (More Answers Below)
What is the average value of f(x) = (sin x)4^cos x for the closed interval 0 lessthanorequalto x lessthanorequalto pi/2 ? (A) 3/ln 4 (B) 6/pi ln 4 (C) 4/ln 4 D)8/pi ln 4 (E) 3 pi/2 ln 4
The Average Value of f(x) = (sin x)4^(cos x) for the closed interval 0≤ x≤π/2 is (B) 6/(πln(4)) .
The average value of a function over a closed interval can be found by calculating its definite integral over the interval and dividing by the length of the interval.
The function is : f(x) = (sin x)4^(cos x) ;
Substituting the values :
we get ;
Average Value is = (1/π/2) × \(\int\limits^\frac{\pi }{2} _0\) (sin x)4^(cos x) dx .
On Simplifying ,
we get ;
Average Value is = [(-2/π)/ln(4) ] (1 - 4)
⇒ 6/(πln(4))
Therefore , the average value of the function over the interval 0≤ x≤π/2 is 6/(πln(4)).
What is the average value of f(x) = (sin x)4^(cos x) for the closed interval 0≤ x≤π/2 ?
(A) 3/ln(4)
(B) 6/(πln(4))
(C) 4/ln(4)
D) 8/(πln(4))
(E) 3π/(2ln(4))
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Order the values from least to greatest.
Answer:
0.03, (3 x 1/100) + (3 x 1/1000), 3 tenths
Answer:4/4, 3/4, 1/4 2/4
Step-by-step explanation:
picking a number from 1 to 5 and choosing the color red, white, or blue
Answer:
I will choose 5 and colour blue
In march 2015, the public policy institute of california (ppic) surveyed 7525 likely voters living in california. Ppic researchers find that 68 out of 200 central valley residents approve of the california legislature and that 156 out of 300 bay area residents approve of the california legislature. Ppic is interested in the difference between the proportion of central valley and bay area residents who approve of the california legislature. Ppic researchers calculate that the standard error for the proportion of central valley residents who approve of the california legislature minus bay area residents who approve of the california legislature is about 0. 44. Find the 95% confidence interval to estimate the difference between the proportion of central valley and bay area residents who approve of the california legislature. Responses
The null hypothesis get rejected comparing the 95% confidence interval to the proportion of the given central valley residents and bay area residents .
As given in the question,
Total number of voters in California = 7525
x₁ = Number of voters of central valley residents approved California legislature
= 68
n₁ = Total number of voters of central valley residents
= 200
x₂ = Number of voters of bay area residents approved California legislature
= 156
n₂= Total number of voters of bay area residents
= 300
p₁ = proportion of voters of central valley
p₂= proportion of voters of bay area
p₁ = x₁/ n₁
= 68/200
= 0.34
p₂ = x₂/n₂
= 156/300
= 0.52
Standard error = √p₁(1 -p₁) / n₁ + p₂( 1- p₂)/n₂
= √0.34(1-0.34) / 200 + 0.52(1-0.52)/ 300
= √0.001122 + 0.000832
= 0.044
\(p_{w}\) = (68 + 156 )/ (200 + 300)
= 0.448
\(q_{w} = 1- p_{w}\)
= 1 - 0.448
= 0.552
null hypothesis p₁ - p₂ = 0
z = ( 0.52 - 0.34 ) - 0/ √(0.448)(0.552)( 1/200 + 1/300)
= 4
Tabular value for confidence interval 95% = 1.96
4 > 1.96
We reject the null hypothesis.
Therefore, the difference of proportion of central valley residents and the bay area residents rejection of null hypothesis as per given 95% confidence interval.
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a girl walk to her anteys house and it took 45 minats and she gose to school it took her 61 minates and how many minats was it all together
Answer:
45+61=106
the answer for this question is 106 minutes
Step-by-step explanation:
Answer:
106 minutes/1hour 46 minutes
Step-by-step explanation:
45+ 61 :106
You are the owner of four Taco Bell restaurant locations. You have a business loan with Citizens Bank taken out 60 days ago that is due in 90 days. The amount of the loan is $50,000, and the rate is 9.5% using ordinary interest. You currently have some excess cash. You have the choice of sending Citizens $35,000 now as a partial payment on your loan or purchasing an additional $35,000 of serving supplies such as food containers, cups, and plastic dinnerware for your inventory at a special discount price that is "10% off" your normal cost of these items. (a)
Answer:
(a) The amount of interest you will save on this loan if you make the partial payment and don't purchase the additional serving supplies is $553.80.
(b) The amount you will save by purchasing the discounted serving supplies and not making the partial payment is $2,946.20.
Step-by-step explanation:
Note: This question is note complete. The complete question is therefore presented before answering the question as follows:
You are the owner of four Taco Bell restaurant locations. You have a business loan with Citizens Bank taken out 60 days ago that is due in 90 days. The amount of the loan is $50,000, and the rate is 9.5% using ordinary interest. You currently have some excess cash. You have the choice of sending Citizens $35,000 now as a partial payment on your loan or purchasing an additional $35,000 of serving supplies such as food containers, cups, and plastic dinnerware for your inventory at a special discount price that is "10% off" your normal cost of these items.
(a) How much interest will you save on this loan if you make the partial payment and don't purchase the additional serving supplies?
(b) How much will you save by purchasing the discounted serving supplies and not making the partial payment?
Explanation of the answers is now given as follows:
(a) How much interest will you save on this loan if you make the partial payment and don't purchase the additional serving supplies?
Since an ordinary interest is used, it implies that the total interest amount has to be calculated based on a 360-day year instead of a 365-day year. Therefore, the the interest saved can be calculated as follows:
I_$50K = PRT ........................ (1)
Where,
I_50K = Total Interest on the original $50,000 loan = ?
P = Principal = $50,000
R = interest rate = 9.5%
T = Number of days in the loan period / 360 = (60 + 90) / 360 = 150 / 360 = 0.416666666666667
Substituting the values into equation (1), we have:
I_$50K = $50,000 * 9.5% * 0.416666666666667
I_$50K = $1,979.17
Daily interest on $50,000 loan = I_$50K / Number of days in the loan period = $1,979.17 / 150 = $13.19
Also, we have:
I_PB = PRT ........................ (2)
Where,
I_PB = Innterest on principal balance = ?
P = Principal balance = $50,000 - $35,000 = $15,000
R = interest rate = 9.5%
T = Number of days remaining / 360 = 60 / 360 = 0.166666666666667
Substituting the values into equation (2), we have:
I_PB = $15,000 * 9.5% * 0.166666666666667
I_PB = $237.50
Daily interest on principal balance = I_PB / Number of days remaining the loan period = $237.50 / 60 = $3.96
Daily interest to save = Daily interest on $50,000 loan - Daily interest on principal balance = $13.19 - $3.96 = $9.23
Interest amount to save on the loan = Number of days remaining * Daily interest to save = 60 * $9.23 = $553.80
Therefore, the amount of interest you will save on this loan if you make the partial payment and don't purchase the additional serving supplies is $553.80.
(b) How much will you save by purchasing the discounted serving supplies and not making the partial payment?
This can be calculated as follows:
Discount receivable from purchasing serving supplies = Cost of serving supplies * Discount rate = $35,000 * 10% = $3,500
Amount to save by purchasing serving supplies = Discount receivable from purchasing serving supplies - Interest payable on loan for the remaining 60 days ................ (2)
Where;
Discount receivable from purchasing serving supplies = $3,500
Interest payable on loan for the remaining 60 days = Interest amount to save on the loan as calculated in part (a) = $553.80
Substituting the values into equation (2), we have:
Amount to save by purchasing serving supplies = $3,500 - $553.80 = $2,946.20
Therefore, the amount you will save by purchasing the discounted serving supplies and not making the partial payment is $2,946.20.
Show all work to solve the equation for x.
x=-2 is the only solution. This can be solved by simplification.
What is extraneous solution?An extraneous solution in mathematics is a solution that develops during the process of addressing the issue but is not a genuine solution to the problem, such as the answer to an equation. A valid solution to a problem that vanished during the process of addressing it is referred to as a missing solution.
The given equation becomes:
\(\sqrt{x + 6} -4 = x\)
Add 4 to both sides of the equation.
or, \(\sqrt{x + 6} -4 +4= x + 4\)
or, \(\sqrt{x + 6} = x+4\)
Square both sides:
or, \(x + 6 = (x + 4)^2\)
or, \(x + 6 = x^2 + 8x + 16\)
Rewrite in standard form:
or, \(x^2 + 8x - x + 16 - 6 = 0\)
or, \(x^2 + 7x + 10 = 0\)
or, \(x^2 + 2x + 5x + 10 = 0\)
or, \((x + 2) (x + 5) = 0\)
x= -2 or x= -5
Checking for extraneous solution.
When x= -2
\(\sqrt{-2 + 6} - 4 = -2\)
or, \(\sqrt{4} -4 = -2\)
or, - 2 = -2
This statement is true. This implies that: x= -2 is a solution.
When x= -5
\(\sqrt{-5 + 6} - 4 = -5\)
or, -3 = -5
This statement is not true. This implies that: x=-5 is an extraneous solution.
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B
с
8x - 7
H
7x + 2
E
10x - 1
к
A
D
What is the length of AD ?
AD =
Answer:
Step-by-step explanation:
55
COMPARING METHODS In Exercises 27-32, tell whether you would use the Law of Sines, the Law of Cosines, or the Pythagorean Theorem (Theorem 9.1) and trigonometric ratios to solve the triangle with the given information. Explain your reasoning. Then solve the triangle.
Help me plsssssssssssssssssssssssssss
Answer: 120
Step-by-step explanation: divide 24 by 5 to get 4.8 so its 4.8 minutes for one question
25 x 4.8 = 120
evaluate the expression when x=2 and y= -3. -x+2y
Answer:
-8
Step-by-step explanation:
It would be -2+2(-3)
Which means -2 plus 2 times -3
According to PEMDAS you have to do parenthesis first so 2 times -3 is -6 +-2=-8
So the answer is -8
Answer:
it would be -2 + 2(-3)
Step-by-step explanation:
the numbers given would replace the variables, so x would become -2 since its -x, and y would be (-3) in parenthesis since its to be multiplied (i believe if im remembering correctly) therefore it would become:
-2 + 2(-3)
keeping all the signs and proper places
hope this helped and is what you were looking for!!
A company uses two backup servers to secure its data. The probability that a server fails is 0.21. Assuming that the failure of a server is independent of the other servers, what is the probability that one or more of the servers is operational?
The probability that one or more of the backup servers is operational is 1 - P(both servers fail).
To find this probability, first, determine the probability that both servers fail, which is 0.21 * 0.21 = 0.0441. Then, subtract this value from 1: 1 - 0.0441 = 0.9559. Therefore, the probability that one or more servers is operational is 0.9559.
we know that the failure of one server is independent of the other server's failure. The probability that a single server fails is 0.21. To find the probability that both servers fail, we multiply their individual failure probabilities: 0.21 * 0.21 = 0.0441.
However, the question asks for the probability that at least one server is operational, which is the opposite of both servers failing.
So, we subtract the probability of both servers failing from 1 (the total probability of all possible outcomes): 1 - 0.0441 = 0.9559. This means there's a 95.59% chance that at least one server will be operational.
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A gambler rolls a die 100 times.
Which of the following is the most likely amount of sixes rolled?
Answer:
17
Step-by-step explanation:
A standard die has a 1/6 chance of rolling a 6.
Over 100 rolls, a 6 is likely rolled (1/6)*100 times.
100/6=16.66, approximately 17 times
Jacy has $1,000 to invest in either a fund that pays approximately 4.6% per year or in a savings account with an annual interest rate of 1.8%. Write a polynomial function S(x) to represent the interest Jacy will earn in 1 year by investing x dollars in the fund and the remainder in the savings account.
Answer:
.046x
Step-by-step explanation:
do you know how to bake a muffan
Answer:
yea by using a resipe
Step-by-step explanation:
Answer:
yes
Step-by-step explanation:
you need eggs, butter, flour, sugar, salt, oil (i prefer olive oil) and baking powder.
fruit if you like them in your sweets.
this makes 12 muffins
2 cups flour
3 tsps baking powder
1/2 tsp salt
3/4 cup sugar
1 egg
1 cup milk
1/4 cup oil
preheat oven. i usually do 350 F, increase the temperature if youd like them to cook faster but keep in mind youll need to check on them often with increased heat.
stir together your dry ingridents and in a seperate bowl beat your egg with a fork. stir in the milk and oil with the egg.
pour into your dry ingriedeints until everything is well mixed.
bake until golden
if you like fruit id suggest blueberries, 1 cup
100 POINTS IF U GET THIS RIGHT!
\(y = 9x + \dfrac 94 \\\\\text{The above equation is in a form of y=mx + b, where b is the y - intercept}\\\\\\\text{Hence the y-intercept is }~ \dfrac 94\)
For the following systems of equations, match each diagram on the left with its solution on the right.
Answer:
1. (2,1)
2. (6,-1)
3.(-2,3)
Answer:
1. (2,1)
2. (6,-1)
3. (-2,3)
Step-by-step explanation:
Each of the answer is consistent system because the lines intersect at one point, which is one solution.
IMMA CRY SOMEONE HELP ME ASAP
Answer:
B. -2 (x+6)/(x+4)(x-4)
A security car is parked 25 ft from a movie theater. Find at what speed the reflection of the security strobe lights is moving along the wall of the movie theater when the reflection is 30 ft from the car. The strobe lights are rotating with the speed 2 revolutions per second.
Answer:
v=20π ft/s
Step-by-step explanation:
Given:
Distance from the security car to the movie theater, D=25 ft
Distance of the reflection from the car, d=30 ft
Speed of rotation of the strobe lights, 2 rev/s
To find the speed at which the reflection of the security strobe lights is moving along the wall of the movie theater, we need to calculate the linear velocity of the reflection when it is 30 ft from the car.
We can start by finding the angular velocity in radians per second. Since the strobe lights rotate at 2 revolutions per second, we can convert this to radians per second.
ω=2πf
=> ω=2π(2)
=> ω=4π rad/s
The distance between the security car and the reflection on the wall of the theater is...
r=30-25= 5 ft
The speed of reflection is given as (this is the linear velocity)...
v=ωr
Plug our know values into the equation.
v=ωr
=> v=(4π)(5)
∴ v=20π ft/s
Thus, the problem is solved.
The speed of the reflection of the security strobe lights along the wall of the movie theater is 2π ft/s.
To solve this problem, we can use the concept of related rates. Let's consider the following variables:
x: Distance between the security car and the movie theater wall
y: Distance between the reflection of the security strobe lights and the security car
θ: Angle between the line connecting the security car and the movie theater wall and the line connecting the security car and the reflection of the strobe lights
We are given:
x = 25 ft (constant)
y = 30 ft (changing)
θ = 2 revolutions per second (constant)
We need to find the speed at which the reflection of the security strobe lights is moving along the wall (dy/dt) when the reflection is 30 ft from the car.
Since we have a right triangle formed by the security car, the movie theater wall, and the reflection of the strobe lights, we can use the Pythagorean theorem:
x^2 + y^2 = z^2
Differentiating both sides of the equation with respect to time (t), we get:
2x(dx/dt) + 2y(dy/dt) = 2z(dz/dt)
Since x is constant, dx/dt = 0. Also, dz/dt is the rate at which the angle θ is changing, which is given as 2 revolutions per second.
Plugging in the known values, we have:
2(25)(0) + 2(30)(dy/dt) = 2(30)(2π)
Simplifying the equation, we find:
60(dy/dt) = 120π
Dividing both sides by 60, we get:
dy/dt = 2π ft/s
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Pick < ,< or = to make the statement true. 11 ..... 52/9
PLZ HURRRYYYYY
Answer:
>
Step-by-step explanation:
lets make 52/9 a mixed number, 5 7/9
so >
11> 5 7/9
PLS HELP ASAP THANKS ILL GIVE BRAINLKEST PLS THANKS PLS ASAP
Answer:
LN and RQ
Step-by-step explanation:
PQR is just an enlargened version of MLN
RQ is just LN but longer
Answer:
-10 vertical and -1 horizontal
950.95 written in expanded form
Answer:
(9 x 100) + (5 x 10) + (0 x 1) + (9/10) + (5/100)
hope this helps brainliest <3
Answer:
Step-by-step explanation:
312.4 308.6
FInd the domain
for a 99onfidence interval of the population mean based on a sample of n = 25 with s = 0.05, the critical value of t is: a. 2.7969 b. 2.4922 c. 2.7874 d. 2.4851
Using a t-distribution table or a calculator, the critical value of t for a 99% confidence level and 24 degrees of freedom (n - 1) is approximately 2.7969 that is option A.
To find the critical value of t for a 99% confidence interval with a sample size of n = 25 and a sample standard deviation of s = 0.05, we need to use the t-distribution table or a statistical calculator.
For a 99% confidence interval, we want to find the critical value that leaves 0.5% of the area in each tail of the t-distribution, since the confidence level is divided equally between the two tails.
Since the sample size is small (n = 25), we use a t-distribution instead of a standard normal distribution.
Using a t-distribution table or a calculator, the critical value of t for a 99% confidence level and 24 degrees of freedom (n - 1) is approximately 2.7969.
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Daily Word Problem
Elena has 5 boxes of donuts. Each box has 10 donuts in it.
She gives one box to her bus driver. She gives two boxes to
the school principal. She takes the rest to her classroom to
share with her classmates.
How many donuts does she have to share with her
classmates?
Show your work.
Answer: 20
Step-by-step explanation:
5 boxes with 10, 10, 10, 10, and 10 donuts in each box.
She gives one box away, so that is 50-10=40
Then she gives 2 boxes away, which is 40-20=20, so she has 20 donuts left to share with her classmates.
Answer: 20
Step-by-step explanation:
5 x 10 = 50 Donuts
50 Donuts - 10 for the Bus driver
40 Donuts - 20 for the school principal
=20
She can share 20 Donuts with her classmates.