Answer:
-6 = x
Step-by-step explanation:
7 = x + 2x - 5 - 5x
7 = 3x - 5 - 5x
7 = -2x -5
7 + 5 = -2x -5 +5
12 = -2x
12/-2 = (-2x)/-2
-6 = x
\( \huge \pink{Question}\)
\(7 = x + 2x - 5 - 5x\)
\( \huge \pink{Answer}\)
\(7 = x + 2x - 5 - 5x\)
\(7 + 5 = x + 2x - 5x\)
\(12 = - 2x\)
\( \purple{x = - 6}\)
Help will mark Brainliest
Answer:
slope = y^2- y^1 / x^2 - x^ 1
= -3 -2 / 1-1
= -5
y intercept = 2 and -3
Write the reciprocal of 3/2
what are the solutions to 2x+7X=4? select all that aply
Answer:
x=4/9, one solution
Step-by-step explanation:
Given: 2x+7x=4
Combine like terms: 9x=4
Divide by 9 on both sides to isolate the variable x: x=4/9
a study showed that 64% of supermarket shoppers believe supermarket brands to be as good as national name brands. to investigate whether this result applies to its own product, the manufacturer of a national name-brand ketchup asked a sample of shoppers whether they believed that supermarket ketchup was as good as the national brand ketchup. (a) formulate the hypotheses that could be used to determine whether the percentage of supermarket shoppers who believe that the superma
As described in probability Null hypothesis is 0.64
what is probability?
Probability is a synonym for potential. It is a field of mathematics that examines how random events happen. From zero to one, the value is expressed. To forecast the likelihood of events, probability has been introduced in mathematics.
Solution:
Null hypothesis H0 : p = 0.64
Alternate hypothesis Ha : p ≠ 0.64
therefore Null hypothesis is 0.64
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Planet X has a mass of 8.46 x 1022 kg. Planet Y has a mass of 5,028,000,000,000,000,000,000,000 kilograms. How many times the mass of Planet X is that of Planet Y?
Answer:
59.4 times greater to the nearest tenth.
Step-by-step explanation:
5,028,000,000,000,000,000,000,000
= 5.028 * 10^24
So the required ratio = 5.028 * 10^24 / 8.46 * 10^22
= 0.594326 * 10^2
= 5.94326 * 10
= 59.4326.
cual es el paso a paso de -15=n+13
Answer:
n= -28
Step-by-step explanation:
n+13= -15
n+13-13= -15-13
n= -28
Are these utility functions risk-averse on some given interval [a,b] ? a. f(x)=ln(x),g(x)=e^x, h(x)=−x^2
b. f(x)=−ln(x),g(x)=−e^−x, h(x)=−4x^2−10x
c. f(x)=ln(x), g(x)=−1/(e^2x), h(x)=−x^2 + 2000x
d. f(x)=ln(x),g(x)=1/(e^2x), h(x)=−x^2+10,000x
e. f(x)=ln(−2x), g(x)=−1e^2x, h(x)=x^2−100,000x
f. f(x)=ln(−2x),g(x)=−1e^2x, h(x)=x^2−100,000x
The utility functions in options a, b, c, and f are not risk-averse on the interval [a,b], while the utility functions in options d and e are risk-averse on the interval [a,b].
In economics and finance, risk aversion refers to a preference for less risky options over riskier ones. Utility functions are mathematical representations of an individual's preferences, and they help determine whether someone is risk-averse, risk-neutral, or risk-seeking. A risk-averse individual would have a concave utility function, indicating a decreasing marginal utility of wealth.
For options a, b, c, and f, the utility functions are and f(x) = -ln(x), g(x) = \(-e^(^-^x^)\), h(x) = \(-4x^2\) - 10x, respectively. These utility functions do not exhibit concavity, which means they are not risk-averse. Instead, they either show risk-seeking behavior (options a and b) or risk-neutrality (options c and f).
On the other hand, options d and e have utility functions f(x) = ln(x), g(x) = 1/(e^(2x)), h(x) = \(-x^2\) + 10,000x and f(x) = ln(-2x), g(x) = -1/(\(e^(^2^x^)\)), h(x) = \(x^2\) - 100,000x, respectively. These utility functions display concavity, indicating a decreasing marginal utility of wealth. Thus, options d and e can be considered risk-averse on the interval [a,b].
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a person had $14,000 infested in two accounts, one paying 9% simple interest and one paying 10% simple interest. how much was invested in each account if the interest at the one year is $1339?
Given:
a.) A person had 14,000 infested in two accounts.
b.) One paying 9% simple interest.
c.) One paying 10% simple interest.
Let,
x = the amount invested at 9% simple interest
y = the amount invested at 10% simple interest
1.) We know the total amount of money invested is $14,000. We get,
x + y = 14,000
2.) We know that the total interest for the year for the two accounts is $1432. We get,
0.09*x + 0.1*y = 1,339
Let's equate the two equations,
x = 14,000 - y (Substitute for x)
0.09*(14,000 - y) + 0.1*y = 1,339
1,260 - 0.09y + 0.1y = 1,339
0.1y - 0.09y = 1,339 - 1,260
0.01y = 79
0.01y/0.01 = 79/0.01
y = 7,900
Therefore, $7,900 was invested at the rate of 10% simple interest.
Let's determine x, substituting y = 7,900 in x + y = 14,000.
x + y = 14,000
x + 7,900 = 14,000
x = 14,000 - 7,900
x = 6,100
Therefore, $6,100 was invested at the rate of 9% simple interest.
The plots in A-D all show ____________ correlation.
Answer:
Positive corralation
Step-by-step explanation: Algebra 1A-B
use theorem 5.2 to prove directly that the function f(x) = x 3 is integrable on [0, 1].
The function f(x) = x^3 is integrable on [0, 1].
Is there a direct proof that f(x) = x^3 is integrable on [0, 1]?To prove that the function f(x) = x^3 is integrable on the interval [0, 1], we can use Theorem 5.2, which states that if a function is continuous on a closed interval, then it is integrable on that interval.
The function f(x) = x^3 is a polynomial function, and polynomials are continuous for all values of x. Therefore, f(x) = x^3 is continuous on the interval [0, 1]. As a result, by Theorem 5.2, we can conclude that f(x) = x^3 is integrable on [0, 1].
This direct proof relies on the continuity of the function and the application of the given theorem to establish its integrability on the interval [0, 1].
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combine like terms and simplify (−3 + 4x2 − 4x) + (−1 − 3x2− 4)
Answer:
x² - 4x - 8
General Formulas and Concepts:
Algebra I
Terms/CoefficientsStep-by-step explanation:
Step 1: Define
Identify
(-3 + 4x² - 4x) + (-1 - 3x² - 4)
Step 2: Simplify
Combine like terms (x²): x² - 3 - 4x - 1 - 4Combine like terms: x² - 4x - 8If a functional group has a pKa of 3, then what is the (approximate) likelihood that this functional group will be protonated at pH 5?
The likelihood of a functional group being protonated at pH 5 depends on the pKa value of the group. If the pKa is 3, it means that at pH 3, half of the functional groups will be protonated and half will be deprotonated. At pH 5, which is higher than the pKa, the likelihood of the functional group being protonated is relatively low.
The pKa value of a functional group indicates the acidity or basicity of that group. It represents the pH at which half of the functional groups are protonated and half are deprotonated. If the pKa is 3, it means that at pH 3, half of the functional groups will have accepted a proton and become protonated, while the other half will remain deprotonated.
At pH 5, which is higher than the pKa of 3, the environment becomes less acidic. As a result, the likelihood of protonation decrease. Since the functional group's pKa is lower than the pH, the majority of the functional groups will remain deprotonated at pH 5. However, it is important to note that the exact likelihood depends on other factors as well, such as the specific chemical properties of the functional group and any interactions with neighboring groups or solvents.
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Please help me I'm really confused on how you figure these out
Answer:
i think it is not related
Step-by-step explanation:
hope this helps <3
2 + 2 ez badge yeah ok now what do i do
Answer:
4
2 + 2 = 4
took me longer then I expected
2-period production economy: Economy has two periods, = 0,1. There is a
representative household and a representative firm. Household utility is given as
U(Co,C1) = log(Co)+ß log(C1) where ß E (0,1) is a discount factor. Firm production
function is given as F(K,L) = K«L1-a, where a € (0,1) is a capital share. Household is
endowed with initial level of capital K o in period O and maximum labor hours L= 1 in
each period += 0,1. Firms rent capital and hire labor every period and maximize their
profit.
(a) Write down Household's problem
(b) Write down Firm's problem
(c) Write down market clearing conditions
(d) Write down Social Planner's Problem
(e) Define Competitive Equilibrium
(f) Solve Social Planner's Problem: Show your steps to solve it
(g) Solve Competitive Equilibrium: Show your steps to solve it(h) Write down First
Welfare Theorem. Does the theorem hold? Verify it.
(i) Write down Second Welfare Theorem. Does the theorem hold? Verify it.
The provided questions cover various aspects of a 2-period production economy, including the household's problem, firm's problem, market clearing conditions, Social Planner's Problem, competitive equilibrium, and welfare theorems.
(a) The Household's problem is to maximize its utility over two periods subject to its budget constraint. The household's problem can be formulated as follows:
Max U(Co, C1) = log(Co) + ß log(C1)
subject to the budget constraint:
Co + (1+r)C1 ≤ (1+r)Ko + W0 + W1,
where Co and C1 are consumption in period 0 and 1 respectively, ß is the discount factor, r is the interest rate, Ko is the initial capital endowment, W0 and W1 are the wages in periods 0 and 1 respectively.
(b) The Firm's problem is to maximize its profit by choosing the optimal combination of capital and labor. The firm's problem can be formulated as follows:
Maximize F(K, L) - RK - WL,
where F(K, L) is the production function, K is capital, L is labor, R is the rental rate of capital, and W is the wage rate.
(c) The market clearing conditions are:
Capital market clearing: K1 = (1 - δ)K0 + S - C0, where δ is the depreciation rate, S is savings, and C0 is consumption in period 0.
Labor market clearing: L = L0 + L1, where L0 and L1 are labor supplies in periods 0 and 1 respectively.
(d) The Social Planner's Problem is to maximize social welfare, which is the sum of the household's utility and the firm's profit. The Social Planner's Problem can be formulated as follows:
Maximize U(C0, C1) + F(K, L) - RK - WL,
subject to the production function F(K, L) and the market clearing conditions.
(e) A Competitive Equilibrium is a situation where all markets clear and agents (household and firm) make optimal decisions based on prices and market conditions. It is characterized by the following conditions:
Household's problem is solved optimally.
Firm's problem is solved optimally.
Market clearing conditions hold.
(f) To solve the Social Planner's Problem, we need to set up the Lagrangian and solve for the optimal values of consumption, capital, and labor. The Lagrangian can be written as:
L = U(C0, C1) + F(K, L) - RK - WL + λ1[(1+r)K0 + W0 + W1 - Co - (1+r)C1] + λ2[K1 - (1 - δ)K0 + S - C0] + λ3[L - L0 - L1],
where λ1, λ2, and λ3 are the Lagrange multipliers.
(g) To solve the Competitive Equilibrium, we need to determine the prices of capital (R) and labor (W) that clear the markets. This can be done by equating the demand and supply of capital and labor, and solving the resulting equations.
(h) The First Welfare Theorem states that under certain conditions, a competitive equilibrium is Pareto efficient. It implies that a competitive equilibrium is a socially optimal allocation of resources. To verify the theorem, we need to demonstrate that the competitive equilibrium allocation is Pareto efficient.
(i) The Second Welfare Theorem states that any Pareto efficient allocation can be achieved as a competitive equilibrium with appropriate redistribution of initial endowments.
To verify the theorem, we need to show that given an initial Pareto efficient allocation, we can find prices and redistribution of endowments that lead to a competitive equilibrium that achieves the same allocation.
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How many groups of 4 balls can be selected from a bag of 10 balls?
Answer:
2 an a half
Step-by-step explanation:
4+4 is 8 an than you have 2 which is half of four
Find sin x, sin z, cos x, and cos z. Write each answer as a simplified fraction
Answer:
sin x=55/73
Sinz=48/73
cosx=48/78
cosz=55/73
Step-by-step explanation:
Using SOHCAHTOA
Compare your average K, at room temperature to the K, you measured at ele- vated temperature. If there is a difference, do you think it is significant, and if so, in which direction has the reaction shifted at the higher temperature?
The difference between the K values at room temperature and elevated temperature is significant, with the K increasing at higher temperatures. This indicates that the reaction has shifted to the right at higher temperatures, making it more likely to occur due to increased kinetic energy.
At room temperature, the average K for a reaction is around 10-25. At elevated temperatures, the average K may be higher or lower depending on the reaction. For example, if the reaction is endothermic, the K will decrease at elevated temperatures, while if the reaction is exothermic, the K will increase at elevated temperatures.Using the K value for a reaction at room temperature and the K value for the same reaction at elevated temperature, we can calculate the difference. For example, let's say the K at room temperature is 10, and the K at elevated temperature is 30. The difference between the two values is 20 (30-10). This difference is significant because it is greater than 10, the average value for K at room temperature.This difference of 20 indicates that the reaction has shifted to the right at higher temperatures. This means that the reaction is more likely to occur at higher temperatures as the K has increased. This is due to the increased kinetic energy of the molecules at higher temperatures, which allows them to react more efficiently.
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2x^3+4x^2-5/x+3 using long divsion
Answer:
2x^4+4x^3+3x-5/x
Step-by-step explanation:
What do you mean by long division.....
1. Write the problem.
2. Write all numerators above the common denominator- x.
3. Reorder the terms and you get the answer.
Answer:
.
Step-by-step explanation:
x+
2
3x
3
+4x
2
answer : −5
2 Which ordered pairs represent vertices of the
polygon?
Circle THREE correct answers.
(-11, 13)
(1, -1)
(1/4 , 2 2/1)
(1,-3)
The ordered pairs representing the vertices of a polygon are
(-11, 13) , (1, -1) and (1,-3).
Given, the ordered pairs representing the vertices of the polygon.
as, the given ordered pairs are
(-11, 13) , (1, -1) , (1/4 , 2(2/1)) , (1,-3).
Now, from the given ordered pairs
the pairs which are representing the vertices of a polygon are
(-11, 13) , (1, -1) and (1,-3).
So, the ordered pairs representing the vertices of a polygon are (-11, 13) ,
(1, -1) and (1,-3).
Hence, the ordered pairs representing the vertices of a polygon are
(-11, 13) , (1, -1) and (1,-3).
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An inclined plane that forms a 30° angle with the horizontal is thus released from rest, allowing a thin cylindrical shell to roll down it without slipping. Therefore, we must determine how long it takes to travel five metres. Given his theta, the distance here will therefore be equivalent to five metres (30°).
The transformation of System A into System B is:
Equation [A2]+ Equation [A 1] → Equation [B 1]"
The correct answer choice is option D
How can we transform System A into System B?
To transform System A into System B as 1 × Equation [A2] + Equation [A1]→ Equation [B1] and 1 × Equation [A2] → Equation [B2].
System A:
-3x + 4y = -23 [A1]
7x - 2y = -5 [A2]
Multiply equation [A2] by 2
14x - 4y = -10
Add the equation to equation [A1]
14x - 4y = -10
-3x + 4y = -23 [A1]
11x = -33 [B1]
Multiply equation [A2] by 1
7x - 2y = -5 ....[B2]
So therefore, it can be deduced from the step-by-step explanation above that System A is ultimately transformed into System B as 1 × Equation [A2] + Equation [A1]→ Equation [B1] and 1 × Equation [A2] → Equation [B2].
The complete image is attached.
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does this make sense more food less active less weight
Answer:
no
Step-by-step explanation:
because more food less active
so if you eat more food, and you are less active you don't exercise off the weight
So you would gain weight not lose weight
Using suitable identity, find the value of 87^3+ 13^3/
87^2 −87 ×13 + 13^2
The value of the given expression [\(87^3+ 13^3/87^2 -87 * 13 + 13^2\)] by simplifying the numerator and denominator using suitable identities is 100.
We will first calculate the numerator:
As (\(a^3\) + \(b^3\)) = (a + b)(\(a^2\) - ab + \(b^2\)) :
\(87^3\) + \(13^3\) = (87 + 13)(\(87^2\) - \(87 * 13\) + \(13^2\))
= 100(\(87^2\) - 87 * 13 + \(13^2\))
Now, calculate the denominator:
\(87^2 - 87 * 13 + 13^2\)
As,(\(a^2 -2ab +b^2\)) =\((a - b)^2\):
\(87^2 - 87 * 13 + 13^2 = (87 - 13)^2\)
\(= 74^2\)
So by solving the equation further:
\((87^3+13^3) / (87^2- 87 * 13+13^2) = 100*(87^2- 87 *13 + 13^2)/(87^2 - 87 * 13 + 13^2)\)
As we can see the numerator and denominator are the same expressions (\(87^2 - 87 * 13 + 13^2\)). so, they cancel each other:
\((87^3 + 13^3) / (87^2 - 87 * 13 + 13^2) = 100\)
So, the value of the given expression is 100.
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find the next three terms in the arithmetic sequence: -3, -8, -13, -18
Answer:
-23
Step-by-step explanation:
Common difference = 2nd term - 1 st term
= -8 - (-3)
= -8 + 3
= -5
To get the next term add (-5) to the previous term
5th term = (-18) + ( (-5) = -23
What is the solution to this system of equations? x-2y = 15 2x+4y=-18
А. x = 1, y = -6. B. x= 1, y=-7
C. X= 3, y = -6. D. x= 3, y = -7
Answer:
C
Step-by-step explanation:
Answer:
C. x=3 y=-6
Step-by-step explanation:
C. x=3 y=-6
x-2y=15 2x+4y=-18
(3)-2(-6)=15 2(3)+4(-6)=-18
3+12=15 6-24=-18
15=15 -18=-18
4+(−634) please answer
The solution to the expression 4+(−634) is -630
How to evaluate the expression?From the question, we have the following parameters that can be used in our computation:
4+(−634)
Rewrite the expression properly
So, we have the following representation
4 + (−634)
Remove the bracket in the above expression
This gives
4 + (−634) = 4 - 634
Evaluate the difference
4 + (−634) = -630
Hence, the solution is -630
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What quantity of 64% chlorine solution must be mixed with a 29% chlorine solution to produce 5530 mL of 30% solution?
Answer:
you need 221.2 ml of the 64% and 5308.8ml of the 29%
Step-by-step explanation:
the formula is (% x v)=(% * v)+(% * v)
so
(0.3 * 5530)=(0.64 * x)+(0.29 * (5530-x))
simplify
1,659= 0.64x + 1,603.7 - 0.29x
1,659=0.35x + 1,603.7
subtract 1603.7 from both sides
55.3=0.25x
divide 0.25 from both sides
221.2=x
subtract
5530-221.2
a rectangular storage container without a lid is to have a volume of 10m3. the length of its base is twice the width. material for the base costs 10$ per square meter. material for the sides costs 6$ per square meter. find the cost of materials for the least expensive such container.
The cost of materials for the least expensive such container is 245.31 dollars .
Suppose the width of container is x (m),
length of the base of container is 2x (m)
the base area of container is (length × width)sq. m i.e 2x² meter².
Since the volume of container is 10 m³.
the height of container = area of container/ volume of container
height of container= 10/2x² m = 5/x² m
The cost of making such container is cost of base = 2x²*10 = 20x².
cost of sides of container = (2×2x × 5/x² + 2× x × 5/x²)×6 = 180/x
The overall cost is hence the sum of the base and the sides: f(x) = 20x² + 180/x
The get the minimum,
df(x)/dx = 20×(2x - 9/x²) = 0
so 2x = 9/x^2 => 2x = 2.0800 ==> x = 1.651 m
f(x) = 245.31 dollars
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what is 5÷1000 rounded to the nearest hundredth i need help ASAP
0.005. If i'm wrong, can ou tell me the answer choices?
Answer:
0.005
Step-by-step explanation:
the mean time it takes a certain pain reliever to begin reducing symptoms is 30 minutes with a standard deviation of 8.7 minutes. assuming the variable is normally distributed, find the probability that it will take the medication between 32 and 37 minutes to begin to work.
To answer this question, we need to use the concept of the normal distribution and the given mean and standard deviation. The mean time for the pain reliever to begin reducing symptoms is 30 minutes.
To find the probability that it will take the medication between 32 and 37 minutes to begin to work, we'll use the mean, standard deviation, and the properties of a normal distribution.
Step 1: Calculate the z-scores for 32 and 37 minutes.
The z-score is the number of standard deviations a value is from the mean. The formula for the z-score is:
z = (X - μ) / σ
where X is the value, μ is the mean, and σ is the standard deviation.
For 32 minutes:
z1 = (32 - 30) / 8.7 ≈ 0.23
For 37 minutes:
z2 = (37 - 30) / 8.7 ≈ 0.80
Step 2: Find the probabilities corresponding to the z-scores.
You can use a z-table or an online calculator to find the probabilities for each z-score.
For z1 = 0.23, the probability is ≈ 0.5910
For z2 = 0.80, the probability is ≈ 0.7881
Step 3: Calculate the probability between the two z-scores.
Subtract the probability of z1 from the probability of z2:
P(32 < X < 37) = P(z2) - P(z1) = 0.7881 - 0.5910 ≈ 0.1971
So, the probability that it will take the medication between 32 and 37 minutes to begin reducing symptoms is approximately 19.71%.
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