Answers
Answer:
x = 29°
y = 29°
z = 102°
Step-by-step explanation:
x and y both look even to the 29° angle across from them and z looks even to the 102° angle across from it.
Related Questions
does the slope of the line necessarily correspond to the true rate constant, k? why or why not? what expression does the slope equal?
Answers
The slope of a line does not necessarily correspond to the true rate constant, k. The slope of a line in a plot of ln([A]t/[A]0) vs time is equal to -k, but this is only true under certain conditions, such as when the reaction is first-order with respect to reactant A.
In general, the slope of a line can only give an estimate of the rate constant. The expression that the slope equals is dependent on the specific plot and reaction conditions.
The slope of the line does not necessarily correspond to the true rate constant, k, directly. This is because the relationship between the slope and the rate constant depends on the order of the reaction.
For a first-order reaction, the equation is ln[A] = -kt + ln[A₀]. In this case, the slope of the line (when plotting ln[A] vs. time) corresponds to the true rate constant, k, and is negative.
For a second-order reaction, the equation is 1/[A] = kt + 1/[A₀]. In this case, the slope of the line (when plotting 1/[A] vs. time) corresponds to the true rate constant, k, and is positive.
So, the expression that the slope equals depends on the order of the reaction. For a first-order reaction, the slope equals -k, and for a second-order reaction, the slope equals k.
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Can you construct an example of a discrete random variable which does not have a finite expectation?
Answers
Throwing a coin until it lands tails is an example of a discrete random variable which does not have a finite expectation.
For the given question,
A discrete random variable is a type of variable whose value depends upon the numerical outcomes of a certain random phenomenon. Discrete random variables are always whole numbers, which are easily countable.
It is a variable that can take on a finite number of distinct values and takes numerous values. It is also known as a stochastic variable. When you consider probabilistic experiments with infinite outcomes, it is easy to find random variables with an infinite expected value.
Let X be a random variable that is equal to 2ⁿ with probability 2⁻ⁿ (for positive integer n). Then,
\(E(X)=\sum_{n:1}^{\infty} |2^{-n}2^{n}|\)
⇒ \(E(X)=\sum_{n:1}^{\infty} (1)\)
⇒ \(E(X)=\infty\)
Consider the following example,
You throw a coin until it lands tails.
Let n be the number of heads
Then number of heads can be found by, 2ⁿ
Now, the expected value function is
\(E(X)=\frac{1}{2}(2^{0} )+ \frac{1}{4}(2^{1} )+....\)
⇒ \(E(X)=\sum_{n:1}^{\infty} |2^{-n}2^{n-1}|\)
⇒ \(E(X)=\sum_{n:1}^{\infty} \frac{1}{2}\)
⇒ \(E(X)=\infty\)
Since the number of outcomes is infinite. The probability of each outcome decreases exponentially.
Hence we can conclude that throwing a coin until it lands tails is an example of a discrete random variable which does not have a finite expectation.
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Solve for X
2x+5=x-10
Answers
Answer:
x = -15
Step-by-step explanation:
Subtract x on both sides
x + 5 = -10
Subtract 5 on both sides
x = -15
Check work:
2(-15) + 5 = -15 - 10
-30 + 5 = -25
-25 = -25
change the given fractions to decimals.then, determine whether the decimal is terminating or repeating .write your answer in your activity notebook or answersheet.
9/5 7/12 5/16 1/7 3/25 2/5 9/11 3/20 11/15 7/18
Answers
Answer:
See belowStep-by-step explanation:
As a rule, worth remembering, the fractions with denominators of multiples of 2, 5 or combination of the two, result in terminating decimals and all the rest- non-terminating.
Considering this we can state:
9/5, 5/16, 3/25, 2/5, 3/20 are terminating decimals7/12, 1/7, 9/11, 11/15, 7/18 are non-terminating or repeating decimalsOne pygmy shrew weighs 3 3/18 ounces, and another weighs 4 4/7 ounces. Estimate the total weight.
O about 8 1/2
O about 7 1/2
O about 9 ounces
O about 7 ounces
Answers
==============================================
Reason:
It might help to draw a number line for this.
3/18 is closer to 0 than it is to 1/2 = 9/18, so the mixed number 3 & 3/18 rounds to 3 when rounding to the nearest half.
4/7 is closer to 1/2 = 4/8 than it is to either 0 or 1, so 4 & 4/7 rounds to 4 & 1/2 when rounding to the nearest half.
Adding 3 to 4 & 1/2 gets 7 & 1/2 since we add the whole parts 3+4 = 7, and the fractional part stays as it is.
-----------
Check:
(3 + 3/18) + (4 + 4/7) = 7.738 approximately
7 + 1/2 = 7.5 exactly
The two results aren't too far off. The estimate of 7 & 1/2 is an underestimate.
Answer:
About 7 1/2 ounces
Step-by-step explanation:
Add your whole numbers first, 3 + 4 = 7
Now the fractions:
3/18 = 1/6
Estimate 4/7 + 1/6, the answer is somewhere between 1/2 and 1 whole. Therefore the answer is about 7 1/2
Check:
3/18 × 7/7 = 21/126
4/7 × 18/18 = 72/126
21/126 + 72/126 = 93/126
The actual answer is 7 31/42, so the closest answer is 7 1/2
Which of the following taxpayers would be most likely to benefit from an installment sale?
Allan - He sold a business use car at a net gain that was less than the amount of depreciation
Kayla She sold business ue land for a gain
Marie She sold property she had held in inventory in her business at a net gain
Robert - He sold a fishig boat at a net loss
Answers
The taxpayer who would most likely benefit from an installment sale is Allan, who sold a business use car at a net gain that was less than the amount of depreciation.
What is an installment sale?An installment sale is a transaction in which the sales price is received over a period of time that spans more than one tax year. Installment sales may have tax advantages, which is why taxpayers should consider them.
The taxable profit in an installment sale is not calculated using the entire sales price. Instead, it is calculated by applying the gross profit percentage to each installment's payments received during the year. In general, if an installment sale meets the definition, the taxpayer reports income from the sale as the payments are received, rather than in the year of sale.
However, in some situations, taxpayers might choose to report the entire profit from an installment sale in the year of sale. In such instances, an election to do so must be made.
What is net gain?The difference between the sales price and the adjusted cost basis of the asset is known as the gain. The gain is reduced by selling expenditures to arrive at the net gain. Net gain occurs when the sales price of a commodity is higher than its cost of acquisition and other fees or expenses related to its purchase and sale.
What is depreciation?Depreciation is a term used in accounting and finance to describe the systematic decrease in the value of an asset over time due to wear and tear. It is an expense that lowers a company's net income and lowers the value of an asset on the balance sheet.
Hence, Allan, who sold a business use car at a net gain that was less than the amount of depreciation, will most likely benefit from an installment sale.
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How do i find the vertex of the equation y=(x+5)(x+4)?
Answers
Answer:
Step-by-step explanation:
y=(x+5)(x+4)=x²+5x+4x+20=x²+9x+20=x²+9x+(9/2)²-(9/2)²+20
\(y=(x+\frac{9}{2} )^2-\frac{81}{4} +20\\y=(x+\frac{9}{2})^2-\frac{81}{4}+\frac{80}{4}\\y=(x+\frac{9}{2})^2-\frac{1}{4}\)
vertex is (9/2,-1/4) or(4.5,-0.25)
a 12 inch thin‑crust cheese pizza is cut equally into eight slices. assuming a uniform distribution of sauce and toppings,
Answers
If there were any variations in the distribution during the preparation process, the slices might have slight differences in the amount of sauce and toppings.
each slice of the 12-inch thin-crust cheese pizza would have an equal distribution of sauce and toppings. This means that each slice would have the same amount of sauce and toppings spread evenly across its surface.
Since the pizza is cut equally into eight slices, each slice would represent 1/8th of the total pizza. Therefore, each slice would have an equal portion of the sauce and toppings.
It's important to note that the exact amount of sauce and toppings on each slice would depend on the original distribution applied to the pizza before it was sliced. If the pizza was prepared with a uniform distribution of sauce and toppings across the entire pizza, then each slice would indeed have an equal amount. However, if there were any variations in the distribution during the preparation process, the slices might have slight differences in the amount of sauce and toppings.
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WILL MARK BRAINLIEST IF CORRECT
Answers
Answer:
it is actually 70
Step-by-step explanation:
Answer:
72
Step-by-step explanation:
x + ( x + 2 ) + ( x + 4 ) = 210
3x + 6 = 210
3x = 204
x = 68
Remember that x is the smallest, so we have to add 4 to 68 to get the largest of the 3 consecutive even integers: 68 + 4 = 72.
A line segment has one endpoint of A (2,5) and a slope of (2/3). Find coordinates for B
Answers
Answer:
B could be (4,8), (6,11), (8,14), (10,17), (12,20), etc.
Step-by-step explanation:
quick mafhs
An experiment has a high degree of ______________ when it shows convincingly that changes in behavior are a function of the independent variable and not the result of unknown variables.
Answers
The answer is Internal Validity.
Internal Validity is high in an experiment. when it demonstrates persuasively that changes in behavior are caused by the independent variable and not by unknown factors.
What is Internal Validity?
Internal validity is defined as the degree to which the observed results represent the truth in the population under investigation and are not the consequence of methodological flaws.Internal validity is the degree of certainty that the causal link being examined is reliable and unaffected by other factors or variables.The extent to which study results may be extended (generalized) to other contexts, groups, or events is referred to as external validity.To learn more about Internal Validity visit:
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An online furniture store sells chairs for $50 each and tables for $550 each. Every day, the store can ship a maximum of 32 pieces of furniture and must sell no less than $4100 worth of chairs and tables. If 24 chairs were sold, determine the minimum number of tables that the store must sell in order to meet the requirements. If there are no possible solutions, submit an empty answer.
Answers
Answer:
you have to sell 6 tables to meet all requirements
Step-by-step explanation:
chairs=$50x
tables=$550x
24 chairs×50= $1200
4100-1200= $2900
take $2900 and divide by $550 to find the exact number of tables which is 5 but selling 5 tables and 24 chairs doesnt reach the $4100 mark so I rounded up to 6 tables which doesnt surpass the maximum number of furniture(32) but beats the $4100 mark
A teacher wants to test whether his students will perform better on their exam if the room where they take the exam is cooled to a freezing temperature. On the day of an exam, he randomly assigned his class into two groups. One group took the exam under regular conditions and one group took the exam in a freezing cold room. After the exam, the teacher calculated the average score in each group. Assume that all conditions for inference have been met. Which of these is the most appropriate test and alternative hypothesis?.
Answers
Considering the situation described in the text, we have that:
A two-sample t-test is used.The null hypothesis is \(H_0: \mu_F - \mu_R = 0\). The alternative hypothesis is \(H_1: \mu_F - \mu_R > 0\).In this problem, we consider that:
\(\mu_R\) is the mean score of students who took the exam in regular conditions.\(\mu_F\) is the mean score of students who took the exam in freezing cold conditions. What are the hypothesis tested?At the null hypothesis, we test if both groups have the same mean score, that is, the subtraction of the means is of 0, hence:
\(H_0: \mu_F - \mu_R = 0\)
At the alternative hypothesis, we test if students that did the test in freezing cold conditions performed better, that is, the subtraction is positive, hence:
\(H_1: \mu_F - \mu_R > 0\).
We have the comparison(subtraction) of two samples, and we have the standard deviation for each sample, not for the population, hence a two-sample t-test is used.
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Need help on this question as well
Answers
The required arc length of sector VW is 8\(\pi\).
Given that, in a circle U, radius UV = 9 and central angle of sector m∠VUW = 160°.
To find the arc length of sector VW, we can use the formula:
Arc length = (central angle / 360) x circumference of the circle.
First, find the circumference of the circle by the formula for the circumference of a circle is given by:
Circumference = 2 x \(\pi\) x radius.
Circumference = 2 x \(\pi\) x 9 = 18π.
Now, let's find the arc length of sector VW using the central angle of 160 degrees:
Arc length = (160/360) x 18π
Arc length = (4/9) * 18\(\pi\) = 8\(\pi\).
Therefore, the arc length of sector VW is 8\(\pi\).
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The regular price of a watch is $28.25. During a sale, the watch was marked 12% off. What was the price of the watch during the sale? (5 points)
a
$2.35
b
$3.39
c
$16.25
d
$24.86
Answers
Answer:
I believe the answer would be D, $24.86
Which polynomial is prime?
O x2 + x + 1
O x2-x-2
O x2 - 12x + 11
O x2 + 2x -8
Answers
Answer:
x2 + x + 1
Step-by-step explanation:
A polynomial with integer coefficients that cannot be factored into polynomials of lower degree , also with integer coefficients, is called an irreducible or prime polynomial . Example 1: x2+x+1. (:
$1400 is divided between two accounts. One account pays $3%$ interest, while the other pays $4%$. At the end of the interest period, the interest earned was $50. How much was invested in each account?
Answers
Answer:
$60
Step-by-step explanation:
one of them got $40 and the other one $20
incorrect answer icon your answer is incorrect. explain why the vectors form a linearly dependent set of vectors in r3. (solve this problem by inspection.)
Answers
To determine if a set of vectors in R3 is linearly dependent, we can inspect the vectors and see if any one of them can be expressed as a linear combination of the others. If so, the set is linearly dependent.
To determine whether a set of vectors in R3 is linearly dependent or not, we can inspect the vectors and see if any one of them can be expressed as a linear combination of the others.
For example, consider the set of vectors:
v1 = (1, 2, 3)
v2 = (2, 4, 6)
v3 = (1, 2, 5)
We can see that v2 is equal to 2v1, which means that it can be expressed as a linear combination of v1. Therefore, the set of vectors is linearly dependent.
In general, a set of vectors in R3 is linearly dependent if and only if one of the vectors can be expressed as a linear combination of the others. This is because any set of more than three vectors in R3 is necessarily linearly dependent, since the dimension of R3 is only three.
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If m∠ATB = 20°, m∠BTD = 72°, and m∠CTD = 38°, what is m∠ATC?
Answers
Answer:
54 degrees
Step-by-step explanation:
solve 6x - 3 = 3x + 12
Answers
Answer:
x=5
Step-by-step explanation:
May I have brainiest I'm trying to level up!
</3 PureBeauty
Answer:
x=5
Step-by-step explanation:
6x-3 = 3x +12
+3 +3
6x = 3x +15
-3x -3x
3x = 15
divided both sides by 3 to get your answer
agregenme o baneo la preguntta
Answers
Answer:
translate; Assault me or ban the question
Step-by-step explanation:
can sum1 plzz answer n check this for me
'
x – 7 = ‐12
Answers
Answer:
x= -5
Step-by-step explanation:
when you add like terms to a different side you change the sign so instead of adding -7 to -12 it would be 7-12 which is -5
Answer:
x= -5
because you add 7 on both sides making it x=-5
there are 40 rows of seats in a class.Each row has 120 chairs.How many students can sit in the class?
Answers
Answer:
4800 students
Step-by-step explanation:
120x40=4800students
4800 can sit in the class
a rectangular swimming pool 50 ft long, 30 ft wide, and 8 ft deep is filled with water to a depth of 6 ft. use an integral to find the work required to pump all the water out over the top. (take as the density of water lb/ft. )
Answers
The work required to pump all the water out of the rectangular swimming pool over the top is approximately 2,323,200 ft-lb.
We have,
To find the work required to pump all the water out of the rectangular swimming pool, we can use the concept of work as the force multiplied by the distance.
First, let's calculate the weight of the water in the pool.
The weight of an object is given by the formula:
Weight = mass x gravitational acceleration
Since the density of water is given as 1 lb/ft³, we need to find the volume of water in the pool.
The volume of the pool is given by the formula:
Volume = length x width x depth
Volume = 50 ft x 30 ft x 6 ft = 9000 ft³
Now, let's calculate the weight of the water:
Weight = density x volume x gravitational acceleration
Weight = 1 lb/ft³ x 9000 ft³ x 32.2 ft/s² ≈ 290,400 lb
To pump all the water out over the top, we need to raise it to the height of the pool, which is 8 ft.
The work required to pump the water out is given by the formula:
Work = weight x height
Work = 290,400 lb x 8 ft = 2,323,200 ft-lb
Therefore,
The work required to pump all the water out of the rectangular swimming pool over the top is approximately 2,323,200 ft-lb.
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You notice that on the days when you are off from school, you read more. What does this illustrate?
coefficients
causation
relationships
correlation
Answers
Answer:
correlation
Step-by-step explanation:
I took the quiz
Maura spends $5.50 in materials to make a scarf. She sells each scarf for 600% of the cost of materials.
Complete the sentence by selecting the correct word from the drop down choices.
Maria sells each scarf for Choose... ✓ or
Answers
The price that Maura sell each scarf would be =$33. Maura sells each scarf for $33. That is option A.
How to calculate the selling price of each scarf?To calculate the amount of money that Maura spends on each scarf the following is carried out.
The amount of money that she spends on the scarf material = $5.50
The percentage selling price of each scarf = 600% of $5.50
That is ;
= 600/100 × 5.50/1
= 3300/100
= $33.
Therefore, each price that is sold by Maura would probably cost a total of $33.
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What is 20% of 60?
please and fanks
Answers
Answer:
heya! ^^
so the question demands us to calculate what is 20% of 60.
that's quite simple. so let's see how we gótta do this question.
\(\\\\ \fbox{20\% \: \: of \: \: 60} \\ \\ \dashrightarrow \: \frac{2\cancel0}{\cancel{100}} \times 6\cancel0 \\ \\ \dashrightarrow \: 2 \times 6 \\ \\ \dashrightarrow \: 12\)
hope helpful :D
Answer:
12
▬▬How to▬▬Convert 20% to fraction.\(20\)% ⇒ \(\frac{1}{5}\)Flip \(\frac{1}{5}\) to \(\frac{5}{1}\)\(\frac{5}{1}\) also equals 5Add 5 and 1\(5 + 1 = 6\)\(6 * 2 = 12\)Hence, the answer is 12
What is the anwser 7/4 times 5/6
Answers
Answer: 1.45833333333
Step-by-step explanation:
The solutions to the equation -4|x + 9| = -8 are:
7, 11
7, -11
-7, 11
-7, -11
Answers
Answer:
option 4
Step-by-step explanation:
Given Equation :-
=> -4| x + 9 | = -8
To FinD :-
=> Solution of the equation .
Solving it :-
=> -4| x + 9 | = -8
=> | x + 9 | = -8/-4
=> |x + 9| = 2
=> ( | x + 9 | )² = 2²
=> x + 9 = ±2
=> x = -9 +2 , -9-2
=> x = - 7 , -11
Option 4 is correct.
Answer:
x = - 7 , - 11
Step-by-step explanation:
\(-4 | x +9| = - 8\\\\\frac{-4}{-4} |x+9| = \frac{-8}{-4}\\\\1 | x+9| = 2\\\\x+9 = - 2\ , x + 9 = 2\\\\x + 9 - 9 = - 2 - 9 , \ x + 9 - 9 = 2 - 9\\\\x + 0 = - 1 1 \ , \ x + 0 = - 7\\\\x = -11 \ , \ x = - 7\)
2a=2b+c
I'm trying to find solve b
Answers
Answer:
\(b = \frac{2a - c}{2} \)
Step-by-step explanation:
\(2a = 2b + c\)
\( = > 2b = 2a - c\)
\( = > b = \frac{2a - c}{2} \)