3
equilateral so 5-2x=-4x+9
x=2
5-2×2=1
the trainangle is equilateral and has three sides
1+1+1=3
identify the characteristics of a spontaneous reaction. δg° < 0 δe°cell > 0 k > 1 all of the above none of the above
Spontaneous reactions are those that occur with no input of energy, and are characterized by a negative standard Gibbs free energy, a positive standard cell potential, and an equilibrium constant greater than one.
A spontaneous reaction is one that occurs without any external input of energy, and it always proceeds in a single direction. Characteristics of a spontaneous reaction include the following:
1. The standard Gibbs free energy of the reaction (δG°) is negative, indicating that the reaction is energetically favorable and will occur on its own.
2. The standard cell potential (δE°cell) is greater than zero, indicating that the reaction is capable of producing a useful electrical current.
3. The reaction's equilibrium constant (K) is greater than one, indicating that the reaction's products are favored over its reactants at equilibrium.
In summary, spontaneous reactions are those that occur with no input of energy, and are characterized by a negative standard Gibbs free energy, a positive standard cell potential, and an equilibrium constant greater than one.
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x is a positive integer.
33 = x is a positive integer.
Work out the four possible values of x, writing your values in ascending order.
Answer:
Four possible values of x: 10, 3, 20, 31
Writing it in ascending order : 3, 10, 20, 31, 33
Step-by-step explanation:
Because x is a positive integers it means that x could be any number that goes from zero to infinity.
The possible values of x such that 33/x remains a positive integer in ascending order are 1,3,11 and 33.
What is an integer?An integer is a whole number irrespective of the sign that the integer is all whole numbers that are going from 0 to infinite or 0 to minus infinite.
Integer ; ....-2 , -1 , 0 , 1 , 2 , .....
Given the expression, 33/x
Now positive integers are whole numbers ( 1,2,3,...)
To 33/x be the whole number and x is also a positive integer.
33/1 = 33 (1,3 Positive integer)
33/3 = 11 (3,11 Positive integer)
33/11 = 3 (11,3 Positive integer)
33/33 = 1 (33,1 Positive integer)
Hence "The possible values of x such that 33/x remains a positive integer in ascending order are 1,3,11 and 33".
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Given question is incorrect the correct question follows ;
33 / x is a positive integer. Work out the four possible values of x, writing your values in ascending order.
research shows that ethnicity is often a bigger barrier to advancement into top leadership positions than being a woman.
It is important to approach statements like this with caution and consider the complexity of the factors at play in career advancement and leadership positions.
While research may indicate that ethnicity can be a significant barrier to advancement in some cases, it is crucial to recognize that experiences can vary based on individual circumstances, industries, and regions. Gender and ethnicity intersect in complex ways, and the challenges faced by women of different ethnic backgrounds can differ significantly.
It is essential to avoid generalizations and recognize that multiple factors contribute to the barriers individuals face in reaching top leadership positions. These factors can include implicit biases, cultural norms, lack of representation, access to opportunities, networking, and organizational structures. Intersectionality, which considers how different aspects of a person's identity can intersect and create unique experiences, is also a crucial perspective to consider when discussing barriers to advancement.
To fully understand and address the barriers individuals face in reaching top leadership positions, it is necessary to consider a comprehensive range of factors and engage in ongoing research, dialogue, and efforts to promote equity, diversity, and inclusion in the workplace.
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Which expression is equivalent to 6^3
O 6x3
O6x6x6
O 6x6x6x6
0 3 x 3 x 3 x 3 x 3 x 3
Answer:
The answer is 6x6x6.......…......
Express as a trinomial. (x-9)(3x-9)
I will give brainliest to the fastest and correct answer
Answer:
x=7?
Step-by-step explanation:
(x-9)(3x-9)
3x²-9x-27x+81
3x²-36x+81
sry mate it's binomial.
In a 30° -60° -90° triangle, what is the length of the hypotenuse when the shorter leg is 8 m? Enter your answer in the box.
Answer:
16
Step-by-step explanation:
In a 30 60 90 degree triangle, the hypotenuse is always double the shorter leg. Hope this helps! :)
The hypotenuse of the 30-60-90 triangle whose shorter leg is 8 m is: 16 m.
What is the 30-60-90 Triangle?The 30-60-90 triangle is a right triangle whose hypotenuse length is always twice the length of the its shorter leg.
Given a 30-60-90 triangle whose shorter leg is 8 m long, therefore:
Hypotenuse of the 30-60-90 triangle = 2(length of the shorter leg)
Hypotenuse of the 30-60-90 triangle = 2(8)
Hypotenuse of the 30-60-90 triangle = 16 m.
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which of the following is a duplex fiber optic connection
The LC connector is a duplex fiber-optic connection.
The duplex fiber-optic connection among the options provided is the LC connector. The LC connector is a small form-factor connector commonly used in fiber-optic networks. It features a push-pull design and is used for both single-mode and multimode fibers. The LC connector allows for duplex connections, meaning it supports bidirectional communication over a single fiber by utilizing separate transmit and receive channels. The other options mentioned, RJ-45, ST, and SC connectors, are not specifically designed for duplex fiber-optic connections. RJ-45 is commonly used for Ethernet connections, while ST and SC connectors are more commonly used for simplex (single-direction) fiber-optic connections.
Complete Question:
Which of the following is a duplex fiber-optic connection?
RJ-45
LC
ST
SC
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What is the solution to this equation?
-8×+4=36
Answer:
-4
Step-by-step explanation:
\(-8x +4 = 36\\\\\implies 8x = 4-36\\\\\implies 8x = -32\\\\\implies x = -\dfrac{32} 8\\\\\implies x =-4\)
There are 7 steps in a flight of stairs (not counting the top and bottom of the flight). When going down, you can jump over some steps if you like, perhaps even all 7. In how many different ways can you go down the stairs?
There are 1287 different ways to go down the stairs.
When going down the stairs, you can either take one step at a time or jump over multiple steps. Let's consider the number of steps you jump over as an integer between 0 and 7 (inclusive).
If you jump 0 steps, then there is only one way to go down the stairs: take one step at a time.
If you jump 1 step, then you have 7 choices for which step to jump over (you can't jump over the first step because that would put you at the bottom). For each choice of step, you can then go down the remaining 6 steps in any way you like, which gives 2^6 = 64 possibilities. So in total, there are 7 * 64 = 448 ways to go down the stairs if you jump 1 step.
If you jump 2 steps, then you have 7 choose 2 = 21 choices for which steps to jump over. For each choice of steps, you can then go down the remaining 5 steps in any way you like, which gives 2^5 = 32 possibilities. So in total, there are 21 * 32 = 672 ways to go down the stairs if you jump 2 steps.
Continuing in this way, we can compute the total number of ways to go down the stairs as:
1 + 7 * 64 + 21 * 32 + 35 * 16 + 35 * 8 + 21 * 4 + 7 * 2 + 1 * 1 = 1287
Therefore, there are 1287 different ways to go down the stairs.
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Which of the following need to be calculated in order to calculate the Pearson's correlation coefficient between X and Y variables? Click all that apply.
-The means of X and Y variables
-Z-scores of X and Y variables
-The standard deviations of X and Y variables
-The medians of X and Y variables-
To calculate Pearson's correlation coefficient between variables X and Y, the following need to be calculated:
- The means of X and Y variables: Yes, the means of X and Y variables are needed to calculate Pearson's correlation coefficient.
- Z-scores of X and Y variables: No, calculating Z-scores is not necessary for calculating Pearson's correlation coefficient.
- The standard deviations of X and Y variables: Yes, the standard deviations of X and Y variables are needed to calculate Pearson's correlation coefficient.
- The medians of X and Y variables: No, calculating medians is not necessary for calculating Pearson's correlation coefficient.
So, the correct options are:
- The means of X and Y variables
- The standard deviations of X and Y variables
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5. Use the word bank to complete the sentences below. Write the matching letter next to the correct word that makes that statement true. (5 points)
Answer:
A- x-intercept
B- y-intercept
C- x-coordinate
D- y-coordinate
E- solution
Step-by-step explanation:
Help please i’m struggling can someone please show me please
Answer:
the measure of angle 4 is 52 degrees.
Step-by-step explanation:
The measure of angles 3 and 4 added together is 90 degrees. Angle 3 is 38 degrees. 90-38=54.
Answer:
∠ 4 = 52°
Step-by-step explanation:
The 3 angles lie on a straight line and sum to 180°, that is
90 + ∠ 3 + ∠ 4 = 180, substitute ∠ 3
90° + 38° + ∠ 4 = 180°
128° + ∠ 4 = 180° ( subtract 128° from both sides )
∠ 4 = 52°
Solve for x. 7x+9 9x-19
Find the slope of the line through the given pair of points. (-7, 16), (-18, 18)
Answer: -2/11
Step-by-step explanation:
the pithag tells us how the ____ lengths of ______ triangles are related
Pythagorean theorem tells us how the side lengths of right triangles are related.
The Pythagorean theorem, also known as the Pythagorean identity, states that the sum of the squares of the lengths of the two sides forming the right angle is equal to the square of the length of the hypotenuse in any right triangle (the side opposite the right angle). In other words, the Pythagorean theorem can be used to calculate the length of the hypotenuse given the lengths of the two sides of a right triangle.
This relationship can be written as the equation:
\(a^2 + b^2 = c^2\)
where a and b are the lengths of the legs, and c is the length of the hypotenuse. The Pythagorean Theorem is named after the ancient Greek mathematician Pythagoras, who is credited with its discovery.
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Petco makes a profit of $9 per bag on its line of natural cat food. If the store wants to make a profit of at least
$6900, how many bags of cat food does it need to sell? Write your answer as a complete sentence with units.
Write an inequality and show all work.
Answer:
x ≥ 767
The number of bags sold must be greater than or equal to 767 to make a minimum profit of $6900.
Step-by-step explanation:
If they want a profit of at least $6900, then the total amount earned would have to be ≥ 6900. You can always earn more than $6900, but the lowest should be equal to $6900.
So if we use x as the number of bags sold, and we know that each bag will earn $9, then x • 9 ≥ 6900.
If we divide both sides by 9, then the number of bags sold must be ≥ 767.
Please help!
(-4,-5) and (5,6)
m =
Answer:
m = 1/9
Step-by-step explanation:
m would be the slope of the 2 points, in order to find it we have a formula
= (2−1) / (2−1)
so we can simply place the numbers into the formula and it will give us the answer
= (6−5) / (5−−4)
m = 1/9 (you can also write it as a decimal)
1. In the four graphs below, determine what transformation was used to transform AABC
to AA'B'C'. Then, for each one, write the
correct description of the transformation
-along with the algebraic notation
the graph is in the image
Answer:
first would be a translation of (2,-3) second one is another 90 degree rotation counter clockwise.
What is the pH of a 0.191 M aqueous solution of NaCH3COO? Ka
(CH3COOH) = 1.8x10-5
The pH of the 0.191 M aqueous solution of NaCH3COO is 2.87.
The pH of a 0.191 M aqueous solution of NaCH3COO can be calculated using the Ka value of CH3COOH. The pH of the solution can be found by determining the concentration of H+ ions in the solution. Since NaCH3COO is a salt of the weak acid CH3COOH, it will dissociate in water to form CH3COO- and Na+ ions. However, the CH3COO- ions will not contribute to the H+ concentration, as they are the conjugate base of the weak acid. Therefore, we need to consider the dissociation of CH3COOH only.
First, we can find the concentration of CH3COOH that will dissociate using the Ka value. Using the equation for the dissociation of CH3COOH, we can write:
CH3COOH ⇌ CH3COO- + H+
Let x be the concentration of CH3COOH that dissociates. Then, the concentration of CH3COO- and H+ ions will also be x. Since the initial concentration of CH3COOH is 0.191 M, we can write:
x = [CH3COO-] = [H+] = 0.191 M
Now, we can use the expression for the Ka of CH3COOH:
Ka = [CH3COO-][H+]/[CH3COOH]
Substituting the values we found:
1.8x10-5 = (0.191)(0.191)/(0.191)
Simplifying the equation:
1.8x10-5 = (0.191)(0.191)
Solving for x:
x = sqrt(1.8x10-5) = 1.34x10-3
Since x represents the concentration of H+ ions, we can convert it to pH using the equation:
pH = -log[H+]
pH = -log(1.34x10-3) = 2.87
Therefore, the pH of the 0.191 M aqueous solution of NaCH3COO is 2.87.
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which of the following is one of the requirements for using a one-way, between-subjects anova?
The following is one of the requirements for using a one-way, between-subjects Anova is the data must be measured on a continuous scale.
Between-subjects ANOVAOne of the requirements for using a one-way, between-subjects ANOVA is that the data must be measured on a continuous scale. This means that the variable being measured (such as time, weight, or temperature) should be able to take on any value within a certain range.
Another requirement for using a one-way, between-subjects ANOVA is that the data must be independent. This means that the observations for each group should not be related to one another in any way. For example, if the groups being compared are different treatment groups in a medical study, it would not be appropriate to use a one-way, between-subjects ANOVA if the patients in each group were related to one another (such as siblings or close friends).
The third requirement is that the data should be approximately normally distributed in each group. A normal distribution is a probability distribution that has a bell shape, which means that the data is symmetric and the mean, median, and mode are equal. The ANOVA assumes that the data is normally distributed and if the data is not normally distributed, the results may be unreliable. This requirement can be checked by using normality test such as Shapiro-Wilk test.
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Tamika made a deposit of $1,800 into an account that earns annual
simple interest. After 9 years, Tamika had earned $1,458 in interest.
Assuming she did not make any additional deposits or withdrawals over the
9 years, find the simple interest rate of the account.
*
O A. 2.1%
B. 9%
C. 20.1%
D. 0.09%
Answer:
c
Step-by-step explanation:
Given that ZQRP = (2x + 20) and ZPSQ = 30°, find the value of x.
The value of x is 65. Please note that this solution is based on the assumption that the angles QRP and PSQ are supplementary. If this assumption doesn't hold, feel free to let me know.
We need to find the value of x in the equation ZQRP = (2x + 20)° given that ZPSQ = 30°. Since the question doesn't provide enough information about the relationship between angles QRP and PSQ, I'll assume that they are supplementary angles (angles that add up to 180°). This assumption is based on the possibility that the angles form a straight line or a linear pair.
If angles QRP and PSQ are supplementary, their sum is 180°:
(2x + 20)° + 30° = 180°
Now, we can solve for x:
2x + 50 = 180
Subtract 50 from both sides:
2x = 130
Divide by 2:
x = 65
Im so confused right now. Can you help me
how will his speed compare? or namely, will he be within speed limits or should we give him a big fat ticket for speeding?
well, the 25 mi/hr limit is expecting anyone on that road to only do 40,234 meters per hour, so since an hour is 60 minutes and a minute is 60 seconds, that means an hour is really (60)(60) seconds, or 3600 seconds, so the limit is expecting anyone on that road to do no more than 40,234 meters per 3600 seconds, let's see how Usain fares
\(\begin{array}{ccll} meters&seconds\\ \cline{1-2} 100 & 9.63\\ 40234& x \end{array} \implies \cfrac{100}{40234}~~=~~\cfrac{9.63}{x} \implies 100x=(40234)(9.63) \\\\\\ x=\cfrac{(40234)(9.63)}{100}\implies x\approx 3874.53\)
so Usain will covering those 40,234 meters in about 3875 seconds, that's longer than 3600 seconds, meaning Usain will need more than 3600 seconds to cover those meters so he's really going slower 40,234 meters per 3600 seconds, so he's golden, he's within speed limits, because the limit is expecting noone to do them in less than 3600 seconds.
Line passing through points
(-4, 2) and (0, 3)
The equation of the line passing through the given points (-4, 2) and (0, 3) is \(y = \frac{1}{4}x + 3\).
This question is incomplete, the complete question is:
What is the equation of the line passing through the points (-4, 2) and (0, 3).
What is the equation of the line passing through the given point?The formula for equation of line is expressed as;
y = mx + b
Where m is slope and b is y-intercept.
Given the points through which the line passes:
(-4, 2) and (0, 3)
First, we determine the slope of the line using the slope formula
m = ( y₂ - y₁ ) / ( x₂ - x₁ )
Hence:
m = ( 3 - 2 ) / ( 0 - (-4) )
m = ( 1 ) / ( 4 )
m = 1/4
Using the point-slope form, plug in one of the given points and slope m = 1/4 to find the equation of the line.
Let's use the point (-4,2):
y - y₁ = m(x - x₁)
\(y-2 = \frac{1}{4}( x - (-4))\\\\y-2 = \frac{1}{4}( x +4)\)
\(y - 2 = \frac{1}{4}x + 1\)
\(y = \frac{1}{4}x + 1 + 2\\ \\y = \frac{1}{4}x + 3\)
Therefore, the equation of the line is \(y = \frac{1}{4}x + 3\).
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Using 12 products as a sample from a stock of products, a store found it that it can arrange them in 125970 ways in any order. How many products are in this stock?
There are 479,001,600 products in this stock.
To determine the number of products in the stock, we can use the concept of permutations. The total number of ways to arrange a set of n items in any order is given by n!, which represents the factorial of n.
In this case, we know that the store can arrange the 12 products in 125,970 ways. This can be expressed as:
12! = 125,970
To find the value of 12!, we can calculate it directly or use a calculator. Evaluating 12!, we find that it is equal to 479,001,600.
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Any helpers ? Plss been struggling on this
Answer:
the answer is D less than or equal to
Step-by-step explanation:
Sheila is making accessories for the soccer team. She uses 623.22 inches of fabric on headbands for 32 players and 2 coaches. She also uses 276.16 inches of fabric on wristbands for just the players. How much fabric was used on a headband and wristband for each player?
Answer:
26.96 inches of fabrics per person
Step-by-step explanation:
Headband
Number of players = 32
Number of coaches = 2
Total people = 32 + 2 = 34
Total fabrics used for headband = 623.22 inches
Fabrics per person = Total fabrics used for headband / Total people
= 623.22/34
= 18.33 inches per person
Wristband
Number of players = 32
Total fabrics used for wristband = 276.16 inches
Fabrics per person = Total fabrics used for wristband / Number of players
= 276.16 / 32
= 8.63 inches per person
Total fabrics used for headband and wristband for each player = 18.33 inches + 8.63 inches
= 26.96 inches of fabrics per person
What is the area of a rectangle whose side are x – 3 and x + 5?
Given :
The sides of a rectangle are (x - 3) and (x -5).To Find :
The area of the rectangle.Solution :-
Here we are given two sides of rectangle . We know that the area of rectangle is ,
→ Area = side 1 * side 2
Substituting the respective values ,
→ A = (x-3)(x+5)
→ A = x(x+5) -3(x+5)
→ A = x² + 5x -3x -15
→ A = x² +2x - 15
Hence the area of the rectangle is x² +2x -15.
I hope this helps .
answer easy question quick
Answer:
Step-by-step explanation:
a) 9.80- 98/10
b) 7.3- 73/10
a) 7/100- 0.07
b) 82/10- 8.2
Hope this helps
Fraction:
a) 98/100
b) 73/10
Decimal:
a) 0.07
b) 8.2
what is the value of x so that line I is parallel to line m
Answer:
Parallel lines which are intersected by a transversal form congruent corresponding angles.
9x - 14 = 6x + 22
3x = 36, so x = 12