Answer: x = 6 y = 5
Step-by-step explanation: coz I juss know
Answer:
The answer is that X=4
4-5=1
Step-by-step explanation:
PLEASE HELP ME ON NUMBER 5
Answer:
HOTDOGS
1. $1.15
2. $1.22
3. $1.09
4. $1.37
BEST BUY: TOM THUMB SELECT I THINK LOL (3)
COOKIES
1. $7.60
2. $6.86
3. $4.36
4. $4.44
BEST BUY: THIN MINTS I THINK (4)
I need help please, I will give brainliest to the first 2 people
Answer:
B
Step-by-step explanation:
they are parallel so it means none
If 1200 square centimeters of material is available to make a box with a square base and an open top, find the largest possible volume of the box.
The largest Volume of the box possible is 4000 cm³ .
In the question ,
it is given that
the box has a square base ,
let the length and width of the box = "x" , because it is a square
let the height of the box \(=\) h
the total surface area of the box = 1200
also the total surface area with open top is = x² + 4xh
So , x² + 4xh = 1200
h = (1200 - x²)/4x
According to the question ,
the volume of the box = x²h
Substituting the value of h = (1200 - x²)/4x ,
we get ,
Volume = x² × (1200 - x²)/4x
V = (1/4)(1200x - x³)
to Maximize the volume dV/dx = 0
(1/4)(1200 - 3x²) = 0
1200 - 3x² = 0
3x² = 1200
x² = 400
x = -20 , +20
length cannot be in negative , hence x = 20 ,
So , Volume = (1/4)[1200(20) - 20³]
= 4000 cm³
Therefore , The largest Volume of the box possible is 4000 cm³ .
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6. A phone company charges $67 for monthly
access and $14 for each gigabyte of data
used. If you sign a two-year contract and
use 147.5 gigabytes of data, which value is
the closest approximation to the total
amount you will pay for phone service?
147.5 times 14 = 2065
And they want an estimate so just round the 147.5 to 150.0 and the 14 to a 15 and your answer is 2250
Estimate : 2250
Actual answer is : 2065
If you have any questions comment under this post
Have a wonderful day<3
find the value of an investment of 10,000 for 11 years at an annual interest rate of 4.55ompounded continuously
The value of an investment of $10,000 for 11 years at an annual interest rate of 4.55% compounded continuously is approximately $15,177.96.
When an investment is compounded continuously, we use the formula for continuous compound interest, which is given by the equation A = P*e^(rt), where A is the final amount, P is the principal amount (initial investment), e is the base of the natural logarithm (approximately 2.71828), r is the annual interest rate (expressed as a decimal), and t is the time in years.
In this case, the principal amount P is $10,000, the annual interest rate r is 4.55% (or 0.0455 as a decimal), and the time period t is 11 years. Plugging these values into the formula, we get A = $10,000e^(0.045511) ≈ $15,177.96. Therefore, the value of the investment after 11 years is approximately $15,177.96.
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Harry invests some money in low-risk and high risk investments in the ratio 7:3. he invests £1800 into the high risk investments. how much money does he invest altogether?
Answer: £2571.43
Step-by-step explanation:Total ratio=7+3=10
If 7 = £1800 then 10 =10÷7*£1800 =£2571.43
1. a certain college wants to estimate the amount of time students, who live off campus, spend commuting to classes each week. a random sample of 45 off-campus students is surveyed. a) identify the population and sample for this study. b) what data is being collected? what type of data is this? c) what type of study is this?
The objective of this research is to collect data on a specific component of the off-campus student population.The amount of time they spend travelling to courses each week.
a) The population for this study is all off-campus students at this college, and the sample is a random sample of 45 off-campus students who are polled. The sample is chosen at random to be representative of the entire population.
b) The data being gathered is the amount of time the surveyed students spend each week travelling to school. Because it reflects a numerical measurement, this is quantitative data. This information will be used to calculate the average commuting time for off-campus students and to identify any possible concerns or areas for improvement in commuting.
c) This is a descriptive research, since it seeks to characterise and summarise the features of the off-campus student population in terms of commuting time. The study's purpose is to better understand off-campus students' commuting patterns and gather ideas into how to enhance their commuting experience.
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Simplify each trigonometric expression. cscθ cos θ tanθ
The simplified form of the trigonometric expression cscθ cos θ tanθ is 1. We can simplify the expression as follows: cscθ cos θ tanθ = (1/sinθ) * cosθ * (sinθ/cosθ) = 1
The first and third terms of the expression are reciprocals of each other, so they cancel out. The second term is simply cosθ, which is multiplied by 1/cosθ in the third term. This results in 1, which is the simplified form of the expression.
cscθ is the reciprocal of sinθ.
cosθ is the cosine of an angle θ.
tanθ is the tangent of an angle θ.
Derivation
The expression cscθ cos θ tanθ can be derived from the Pythagorean identity, which states that sin^2θ + cos^2θ = 1. We can rewrite this identity as 1 = sin^2θ + cos^2θ = 1/csc^2θ + 1/cos^2θ. This can be further simplified to 1 = 1 + 1/cot^2θ, which means that 1/cot^2θ = 0. We can then take the square root of both sides to get cotθ = 0. Finally, we can use the identity tanθ = 1/cotθ to get tanθ = 1.
Therefore, the simplified form of the trigonometric expression cscθ cos θ tanθ is 1.
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the administration team compiled test results for those who had been tested for strep throat in a random sample of 400 sick patients who had been tested. the following relative frequency table shows the data. positive negative total has the flu 54% 6% 60% does not have the flu 8% 32% 40% total 62% 38% 100% based on the data, what is the ratio of false positives to true positives? 6 over 32 8 over 6 8 over 54
The ratio of false positives to true positives is 8 over 54.
According to the Question
Results of a strep throat test performed on a sample of 400 ill people are displayed in the table's data. People who have the flu and those who don't are separated into two categories. The patients are then separated into groups based on whether they tested positive or negative for strep throat within each of these categories.
We must first define what a true positive and a false positive are in order to calculate the ratio of false positives to true positives. A patient who tests positive for strep throat but does not actually have the illness is said to have a false positive. The 8% of patients in this instance who tested positive for strep throat but did not have the flu would fall under that category. A patient who tests positive for strep throat and truly has the illness is said to have a true positive. That would be the 54% of patients who tested positive for both the flu and strep throat in this instance.
We divide the percentage of false positives (8%) by the percentage of true positives (54%), which gives us the ratio of false positives to true positives.
As a result, the ratio becomes 8% / 54%, or 8/54.
It's critical to remember that this ratio is dependent on the sample and test performed and may not be the same for different populations or testing methodologies.
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Hard question: there are many partially mixed strategy Nash equilibria here. Try to think of when players are indifferent between their strategies. In each of the following games, find all the pure and mixed strategy Nash equilibria. Golden Balls Player 2 Split Player 1 Split 50,50 Steal 100,0 Steal 0,100 0,0
in the Golden Balls game, there is only one pure strategy Nash equilibrium, which is (Split, Split).
In the Golden Balls game, there are two players, Player 1 and Player 2. Each player can choose to either "Split" or "Steal." The payoffs for each possible combination of actions are as follows:
If both players choose Split, they both receive a payoff of 50.
If Player 1 chooses Steal and Player 2 chooses Split, Player 1 receives 100, and Player 2 receives 0.
If Player 1 chooses Split and Player 2 chooses Steal, Player 1 receives 0, and Player 2 receives 100.
If both players choose Steal, they both receive a payoff of 0.
To find all the pure strategy Nash equilibria, we need to identify any strategies where neither player has an incentive to deviate unilaterally.
Pure Strategy Nash Equilibria:
(Split, Split): This is a pure strategy Nash equilibrium because if both players choose Split, neither player can improve their payoff by unilaterally changing their strategy to Steal.
Now let's consider mixed strategy Nash equilibria, where players randomize between their available strategies.
Mixed Strategy Nash Equilibrium:
To find the mixed strategy Nash equilibrium, we need to examine whether there exists a probability distribution over strategies that maximizes the expected payoff for each player, given the other player's strategy.
In this case, there is no mixed strategy Nash equilibrium since Player 2's expected payoff from choosing Split is always lower than the expected payoff from choosing Steal, regardless of the probabilities assigned to each strategy by Player 1. Similarly, Player 1's expected payoff from choosing Split is always lower than the expected payoff from choosing Steal, regardless of the probabilities assigned to each strategy by Player 2.
Therefore, in the Golden Balls game, there is only one pure strategy Nash equilibrium, which is (Split, Split).
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Can someone please help me on this????
A 6 foot tall baby giraffe standing next to an adult elephant casts a 15 ft shadow if the adult elephant casts a shadow that is 20 ft long then how tall is it
Answer:
29 ft
Step-by-step explanation:
15-6 = 9
20+ 9 = 29
a cylindrical can with an open top is to be constructed so that its volume is 167 cubic inches. what height will minimize the amount of tin that will be required to construct the can? (10
The height that will minimize the amount of tin that will be required to construct is 4 inches.
Given that,
It is necessary to build a cylindrical, open-top container with a 167 cubic inch volume.
To find : What height will result in the least amount of tin being used to make the can? ?
V = πr^2h. Eq1. And. A =2πr^2 +2πrh. Eq2
From Eq1 h = V/πr2. Eq3
Sub Eq3 into Eq2
Then A = 2πr^2 + 2πr ×(V/πr^2). And V =16π
So A = 2πr^2 + 32π/r
dA / d r = 4πr - 32π/r^2 = 0 at max/ min
r^3 -8 =0
r^3 =8
r= 2. sub into Eq3
h = 16π/ π×2^2
h=4 inches
Therefore, 4 inches is the height that will require the least amount of tin to build.
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which graph of ordered pais shows a proportional relationship? i need help lol
Kelly reads x hours a week. Tim reads two times more than Kelly and Jim reads five hours more than Tim. Which expression relates the amount of time Jim reads? * A. 2(5x) B. 2x - 5 C. 2x + 5 D. 2(x - 5)
Answer:
C. 2x + 5
Step-by-step explanation:
Kelly: x
Tim: 2 × x = 2x
Jim: 2x + 5
hope it helps :)
Solve for x in the diagram below.
X=?
Answer:
x = 40
Step-by-step explanation:
Answer:
x = 40°
Step-by-step explanation:
Because a line is 180°, the sum of all three angles would be 180°. So:
x + x + 100 = 180
2x + 100 = 180
2x = 80
x = 40
you got this
{2x−y=3
x+2y=−6
Answer:
Equation form
x=0
y=-3
Point form
(0,-3)
Step-by-step explanation:
1. (3 points) In class, we analyzed a model of glycolysis: * = -x + ay + x²y, y = b - ay – xy. . Show that solutions of this ODE are confined to the set = Q = {(x, y) E R² | x >0,05y 0 around (b,b/(a +62)), with ε being very small. Are we guaranteed that = Q \B would contain a closed trajectory?
No, we are not guaranteed that Q \ B contains a closed trajectory. It depends on the values of a, b, and ε.
The ODE model of glycolysis given as * = -x + ay + x²y and y = b - ay - xy, where a, b are positive constants, describes the behavior of enzymes in glycolysis. To study the behavior of this system, we can analyze its phase portrait, which is a plot of its vector field.
By analyzing the ODE, we can see that its nullclines, which are the curves where the derivatives are zero, are x = ay/(1+x) and y = b/(a+x). The nullcline x = ay/(1+x) is increasing and concave downward, while the nullcline y = b/(a+x) is decreasing and concave upward. At the intersection of the nullclines, we have a fixed point, which is (b, b/(a+1)).
Using the nullclines and the fixed point, we can sketch the phase portrait of the system. We can see that the solutions of the ODE are confined to the set Q = {(x, y) E R² | x >0.05y}. This is because the nullcline x = ay/(1+x) is very steep and almost vertical, and the nullcline y = b/(a+x) is very flat near the y-axis. Therefore, solutions starting outside of Q would quickly move towards Q.
As for the question of whether Q \ B contains a closed trajectory, where B is the basin of attraction of the fixed point, the answer is not guaranteed. It depends on the specific values of a and b. If a and b are chosen such that the fixed point is a source or a sink, then Q \ B would not contain a closed trajectory. However, if a and b are chosen such that the fixed point is a saddle, then Q \ B would contain a closed trajectory.
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Find the number of terms of the geometric progression 81, 27, 9,....,1/81
Answer:
9
Step-by-step explanation:
r = 27/81 = 1/3
a = 81
Tn = 1/81
ar^(n-1) = 1/81
81(1/3)^(n-1) = 1/81
(1/3)^(n-1) = 1/6561
(1/3)^(n-1) = 1/3^(8)
Compare the exponents,
n-1 = 8
n = 9
Calculate the length of segment AB on the graph below.
A. Square root of 5
B. Square root of 73
C. Square root of 65
D. Square root of 90
Answer:
D
Step-by-step explanation:
Substitute the co-ordinates if a and b in the distance formula and you will get the answer as sq root of 90 which is D
15points+brainliest!! please help :(!
Answer:
rise 6 units up
Step-by-step explanation:
Answer:
6 units up
Step-by-step explanation:
Take a point
A is at (-6,-2)
A' is at (-6,4)
The shift is in the y coordinate of +6
This is a vertical shift
A baker is making cookies. The recipe calls for 1/2 cups of flour and 2 1/4 cups of sugar. How much flour does the baker need if he used 1 cup of sugar?
2/9 cups of flour is required for baker if he use 1 cup of sugar.
What is Ratio?A ratio is an ordered pair of numbers a and b, written a / b where b does not equal 0.
Given that the baker is making cookies.
The recipe calls for 1/2 cups of flour and \(2\frac{1}{4}\) cups of sugar.
We need to find the flour required to baker for 1 cup of sugar.
Let us form a proportional equation.
x be the flour required for 1 cup of sugar.
\(2\frac{1}{4}\) /1/2=1/x
Apply cross multiplication
9/4x=1/2
Divide both sides by 9/4
x=1/2×4/9
x=2/9
Hence, 2/9 cups of flour is required for baker if he use 1 cup of sugar.
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Represent geometrically √ on the number line
The resulting marks on the number line would represent the positions of the square roots of different numbers. The distance between each mark would correspond to the value of the square root.
To represent the square root (√) on a number line, we can mark the positions of the square root of different numbers.
Starting from the origin (0), we can mark the position of the square root of various positive numbers by measuring the distance from the origin based on their square root value. For example, the square root of 1 (√1) is 1, so we can mark a point at 1 unit away from the origin. Similarly, the square root of 4 (√4) is 2, so we can mark a point at 2 units away from the origin.
We can continue this process for other numbers, marking the positions of their square roots on the number line. For instance, the square root of 9 (√9) is 3, so we can mark a point at 3 units away from the origin.
The resulting marks on the number line would represent the positions of the square roots of different numbers. The distance between each mark would correspond to the value of the square root.
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you buy 20 of your favorite songs from the web site that charges $0.97 for each song. what is the cost of 20 songs? use mental math
Answer:
19.4
Step-by-step explanation:
Answer:
19.40$
Step-by-step explanation:
97
×
20
______
19.40$
If a ship had 1500 boars, what is the age of captain??
Answer:
At least 24 (if started around 19) or 23 (if started internship around 18)
[ results are only if the boars are dead and the ship's capacity is closest to the TEU ]
Hi can anyone help me with question 1 and 3
Answer:
292 and 2092
Step-by-step explanation:
Surface area:
Wall 1: 40 x 3 = 120m^2
Wall2: 40 x 3 = 120m^2
Wall 3: 15 x 3 = 45m^2
Wall 4: 15 x 3 = 45m^2
Ceiling: 15 x 40 = 600m^2
Total : 240 + 600 + 90 = 730
So, cost of painting = 730/25 x 10 = 29.2 x 10 = 292
Total: 292 + 1800 = 2092
The total cost of paint would be 2092 dollars.
The area of the cuboid is the sum of product of the length, breadth of the given prism.
Surface area:
Wall 1: 40 x 3 = 120m^2
Wall2: 40 x 3 = 120m^2
Wall 3: 15 x 3 = 45m^2
Wall 4: 15 x 3 = 45m^2
Ceiling: 15 x 40 = 600m^2
The Total area: 240 + 600 + 90 = 730
So, The cost of painting = 730/25 x 10
= 29.2 x 10
= 292
Total: 292 + 1800 = 2092
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The amount of money you have after investing $400 for 8 years and $600 for 6 years at the same interest rate is represented by 400x^6 + 600x^6. where x is the growth factor. classify the polynomial by the number of terms. what is the degree?
The polynomial 400x⁶ + 600x⁶ has a degree of 6 and is a binomial.
What is a polynomial?Polynomial is an expression that involves only the operations of addition, subtraction, multiplication of variables.
Polynomials are classified based on degree as linear, cubic, quadratic, etc.
A polynomial with two terms is known as a binomial. Hence:
The polynomial 400x⁶ + 600x⁶ has a degree of 6 and is a binomial.
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ing Equations Practice
CONCEPT: Multi-Step Equations
C Level:
What is the value of x? Show your work and explain how you found the answer.
-4x-43 = -95
Answer:
X:15
Step-by-step explanation:
only a genius can explain i can ask my colic to help
On a coordinate plane, how are the locations of the points (-5 , -3) and (5 , -3) related? A. Reflection across both axes B. Locations unrelated C. Reflection across the x-axis D. Reflection across the y-axis
Answer:
D. Reflection across the y-axis
Step-by-step explanation:
In the points (-5, -3) and (5, -3), first, notice that the y-coordinates are the same. However, the x-coordinates are positive and negative, meaning one will be on the left side of the y-axis and one will be on the right side of the y-axis, bringing us to answer D. Graph proof is also attached.
f(x)=x^2. What is the graph of g(x)=1/3f(x)
Answer:
the correct answer is b
Step-by-step explanation:
i just took a quiz on ap3x, i hope this helped! have a blessed day! :))
A parabola is a mirror-symmetrical planar curve that is nearly U-shaped. The correct option is graph B.
What is the Equation of a parabola?A parabola is a mirror-symmetrical planar curve that is nearly U-shaped.
y = a(x-h)² + k
where,
(h, k) are the coordinates of the vertex of the parabola in the form (x, y);
a defines how narrower is the parabola, and the "-" or "+" that the parabola will open up or down.
Given that the function f(x)=x², which represents a parabola, therefore, the function of g(x) can be represented as,
\(g(x)=\dfrac13 f(x)\\\\g(x)=\dfrac13 x^2\)
Now, if we compare the function g(x) with the general equation of a parabola, therefore, the value of 'a' will be 1/3 which means that the function will open wider than f(x).
Thus, the correct option is graph B.
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