Answer:
4
Step-by-step explanation:
-4x +6x +12 = 20
2x + 12 = 20
2x = 8
x = 4
Answer:
X=4
Step-by-step explanation:
-4x+6x+12=29
2x=8
x=4
Good luck .
simplify the following
\( \frac{5 {ab } ^{2} + 10 {a}^{4} {b}^{3} - 15 {ab}^{3} }{5ab} \)
"select all the numbers that are solutions to the equation x^3=27"
Answer:
x=3
Step-by-step explanation:
So lets try and solve this to find an answer. To do this, lets just think about what makes 27. 3x3x3? Yup. Well wait, whats 3^3? Oh, thats 3x3x3. So this means, x must be 3.
Can x be -3 as well? No, this is because the exponent is odd, and any negative number will still be negative unless the exponent is even.
So in this equation, 3 is the only answer.
ANSWER:
3
What is the 12th term of the geometric sequence 2,10,50,250
1.
Why is illegal immigration a controversial issue?
A People think that the current laws on immigration address the issue well.
B There are far fewer illegal immigrants each year than naturalized citizens.
C Americans disagree on whether immigration law should change to address it.
D Most naturalized citizens first entered the United States as illegal immigrants.
Answer:
the answer is A people think that the current laws on immigration address the issue
Question 10: (4 points) Consider the following figure as a semaphore-based solution to the producer- consumer problem using a bounded buffer. The initial value for semaphore of mutex \( =1 \), semapho
The producer-consumer problem is a classic synchronization problem that arises in computer science.
It describes two processes, the producer and the consumer, who share a common buffer that the producer fills with data items and the consumer removes from the buffer. In this problem, the shared buffer is bounded, so the producer and consumer must be synchronized to avoid overflows or underflows.
The following figure shows a semaphore-based solution to the producer-consumer problem using a bounded buffer:
The initial value of the mutex semaphore is 1, which means that only one process can access the critical section (the buffer) at a time. The initial value of the full semaphore is 0, which means that the consumer must wait for the producer to fill the buffer before it can remove data. The initial value of the empty semaphore is the size of the buffer, which means that the producer must wait for the consumer to remove data before it can fill the buffer.
When the producer wants to add an item to the buffer, it first acquires the empty semaphore to make sure there is room in the buffer. It then acquires the mutex semaphore to ensure exclusive access to the buffer. After adding the item, it releases the mutex semaphore to allow other processes to access the buffer and then releases the full semaphore to signal the consumer that there is data available.
When the consumer wants to remove an item from the buffer, it first acquires the full semaphore to make sure there is data in the buffer. It then acquires the mutex semaphore to ensure exclusive access to the buffer. After removing the item, it releases the mutex semaphore to allow other processes to access the buffer and then releases the empty semaphore to signal the producer that there is room in the buffer.
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what decimal number corresponds to the binary number 11111111?
The decimal number that corresponds to the binary number 11111111 is 255.
What is decimal number?The decimal numeral system is the most widely used system for representing both integer and non-integer values. It is the Hindu-Arabic numeral system's expansion to non-integer numbers. Decimal notation is the method of representing numbers in the decimal system. A decimal number is made up of two parts: a whole number and a fractional component separated by a decimal point. The decimal point is the dot between the whole number and the fractions. 25.5, for example, is a decimal number.
Here,
In binary, each digit represents a power of 2, starting with the rightmost digit. The rightmost digit in 11111111 represents 2^0, the second digit from the right represents 2^1, and so on. To convert a binary number to decimal, you add up the value of each digit times the corresponding power of 2.
For 11111111, the calculation would be:
=1 * 2^7 + 1 * 2^6 + 1 * 2^5 + 1 * 2^4 + 1 * 2^3 + 1 * 2^2 + 1 * 2^1 + 1 * 2^0 = 128 + 64 + 32 + 16 + 8 + 4 + 2 + 1
=255
The decimal equivalent of the binary number 11111111 is 255.
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At what at speed was jo walking for the first 30 minutes?
Answer:
6 km/hr
rested 10 minutes
Step-by-step explanation:
3 km/0ne half hour = 6 km/hr
22fl oz/ minutes ≈ mL/s
After the conversion of 22 fl oz/minutes to mL/s, we get 10.41 mL/s
What is fluid ounce(fl oz)?
The fluid ounce is different from the (international avoirdupois) ounce as a unit of weight or mass, even though it is occasionally referred to as simply "one ounce" when the context clearly indicates what is meant. There is almost exactly one ounce of pure water in one imperial fluid ounce of volume.
A fluid ounce, often known as a capacity or fl oz, is a volume measurement unit that is frequently used to measure liquids.
An imperial fluid ounce is exactly 28.4130625 milliliters (1/20 of an imperial pint, 1/16 of an imperial gallon).
As, 1 fl oz = 28.41 mL
∴ 22 fl oz = (28.41×22) mL
⇒ 22 fl oz = 625.02 mL
Since, 1 minute = 60 s
∴ 22 fl oz/minutes = (625.02/60) mL/s
⇒ 22 fl oz/minutes = 10.41 mL/s
After the conversion of 22 fl oz/minutes to mL/s, we get 10.41 mL/s
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Sue has to cut her grandma's grass this weekend and wants to know exactly how much area she will be cutting. Calculate the area of the polygon. Be sure to show all your work and explain your answer. Six-sided polygon that includes two isosceles right triangles, one with height and base of 25 feet, the other height and base of 8 feet, and one rectangle measuring 35 feet by 8 feet.
Answer:
Step-by-step explanation:
700.5
10 of 49
If angle g measures 117°, what is the measure of angle h?
g/n
e/
O
A. 63
B. 180°
Ο Ο Ο
C. 1170
D. 90°
Answer:
A.63°
117° is subtracted from 180° to get your answer
In space, how many planes can be perpendicular to a given line at a given point on that line in space?
A. 1
B.0
C. 3
D. infinitely many
In space, there can be infinitely many planes that are perpendicular to a given line at a given point on that line.
The correct answer is Option D.
The key concept here is that a plane is defined by having at least three non-collinear points.
When a line is given, we can choose any two points on that line, and then construct a plane that contains both the line and those two points. By doing so, we ensure that the plane is perpendicular to the given line at the chosen point.
Since we can select an infinite number of points on the given line, we can construct an infinite number of planes that are perpendicular to the line at various points.
Thus, the correct answer is D. infinitely many planes can be perpendicular to a given line at a given point in space.
The correct answer is Option D.
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plz help asap will give brainliest
Answer:
10
Step-by-step explanation:
Answer: x<10
Step-by-step explanation:
Find the length of the hypotenuse in this right triangle.
Answer:
13
Step-by-step explanation:
This is a special right triangle with side lengths 5-12-13 respectively.
If we can't remember the lengths we can use the following formula to calculate the lentgh of hypotenuse:
\( {a}^{2} + {b}^{2} = {c}^{2} \)
the sum of square measure of both legs is equal to the square measure of hypotenuse
\( {5}^{2} + {12}^{2} = {c}^{2} \)
25 + 144 = c^2
169 = c^2 find the root of both sides
13 = c, hypotenuse.
Daily output of Marathon's Garyville, Lousiana, refinery is normally distributed with a mean of 232,000 barrels of crude oil per day with a standard deviation of 7,000 barrels.
What is the probability of producing less than 239,000 barrels? (Round your answer to 4 decimal places.)
The probability of producing less than 239,000 barrels is 0.8413.
The probability of producing less than 239,000 barrels can be found using the z-score formula. The z-score formula is given by:
z = (x - μ) / σ
Where x is the value we are interested in, μ is the mean, and σ is the standard deviation.
Plugging in the given values, we get:
z = (239,000 - 232,000) / 7,000
z = 1
Now, we can use the standard normal table to find the probability of producing less than 239,000 barrels. The standard normal table gives the probability of a value being less than a given z-score. For a z-score of 1, the probability is 0.8413.
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find the surface area of the composite figure
The total area of the given composite figure is 84.8 ft²
How to find the area of a composite figure?We are given;
Area of Triangle = 5.6 ft²
Thus, area of 2 triangles = 2 * 5.6 = 11.2 ft²
Area of rectangles = 2(3.6 * 2) + 2(2 * 4) + 3(4 * 3.6)
Area of rectangles = 14.4 + 16 + 43.2
Area of rectangles = 73.6 ft²
Total area of composite figure = 73.6 ft² + 11.2 ft²
Total area of composite figure = 84.8 ft²
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is it a function it is for my ouiz if so can u help me with every thing
Answer:
uh what are we suppose to do with the number
Step-by-step explanation:
what are we suppose to do with the numbersm
What is the value of the slack variable in the following constraint when X1, and X2, are nonbasic and only non-negativity is used as simple bounds?
X1 + X2 + Si = 100 Select one: a. 100 b. can't be determined from the given information c. 0 d. 50
The final answer is b. the slack variable cannot be determined from given information
In an optimization problem, a slack variable is a variable that is added to an inequality constraint to transform it into an equality. Introducing a slack variable replaces an inequality constraint with an equality constraint and a non-negativity constraint on the slack variable.
The value of the slack variable cannot be determined from the given information. The value of the slack variable is dependent on the values of X1 and X2, which are not specified in the question. Additionally, the fact that only non-negativity is used as simple bounds does not provide any additional information about the value of the slack variable.
Therefore, the slack variable cannot be determined.
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Are the lines - 6x + 3y = -9 and y + 1 = -3(x + 2) parallel,
perpendicular, or neither?
Answer:
NeitherStep-by-step explanation:
Given lines:
- 6x + 3y = -9 and y + 1 = -3(x + 2)To determine the answer we need to compare slopes of the lines.
Parallel lines have same slopes, perpendicular lines have negative-reciprocal slopes.
Let's put them in slope-intercept form:
- 6x + 3y = -9 ⇒ -2x + y = - 3 ⇒ y = 2x - 3y + 1 = -3(x + 2) ⇒ y + 1 = -3x - 6 ⇒ y = -3x - 7As we see the slopes are 2 and -3, so the lines are neither parallel nor perpendicular
How are the products of -3(1) and - 3(-1) the same?
Answer:
The products of -3(1) and -3(-1) are the same because both expressions result in the multiplication of -3 and a number, where one of the numbers is positive and the other is negative. The product of these two numbers is always negative.
Step-by-step explanation:
-3(1) means multiplying -3 by 1, which gives -3 as the product.
-3(-1) means multiplying -3 by -1, which gives 3 as the product.
Even though the two expressions are different, we can see that both involve multiplying -3 with a number, where one of the numbers is positive and the other is negative.
When we multiply a negative number and a positive number, the product is always negative. Similarly, when we multiply a negative number and a negative number, the product is always positive.
So, in both -3(1) and -3(-1), we are multiplying a negative number (-3) with a positive number (1 in the first expression and -1 in the second expression). Therefore, the products of both expressions are negative (-3 in the first expression and 3 with a negative sign in the second expression).
Hence, we can conclude that the products of -3(1) and -3(-1) are the same and equal to -3.
The total surface of the cube measures 54ft. How long is its edge?
Answer:
It should be 9ft
Step-by-step explanation:
I hope this helps
What critical value of " should be used for a 95% confidence interval for the population mean based on a random sample of 30 observations? Find the t-table here. 1* = 2.042 * = 2.045 " = 2.147 * = 2.150
The critical value (t₍₃₀,₀.₀₅₎) for a 95% confidence interval, based on a random sample of 30 observations, is t₍₃₀,₀.₀₅₎ = 2.042.
Find the critical value?To determine the critical value, we refer to the t-table with degrees of freedom (df) equal to n - 1, where n represents the sample size. In this case, the sample size is 30, so the degrees of freedom is 30 - 1 = 29.
For a 95% confidence interval, we need to consider the two-tailed critical region. Since the area in each tail is 0.025 (0.05/2), we look for the corresponding value in the t-table at a significance level of α/2 = 0.025 for df = 29.
The closest value to 0.025 in the table is 2.042.
Therefore, the critical value (t₍₃₀,₀.₀₅₎) for a 95% confidence interval based on a random sample of 30 observations is t₍₃₀,₀.₀₅₎ = 2.042.
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Find the area of a circle with a diameter of 8 cm.
Use = 3.14
Round
your answer to the nearest hundredth.
cm
Answer:
50.27
Step-by-step explanation:
sorry thats all I dont feel like writing the explanation- have a great day-
Find the value of x explain how you got your answer
Answer:
X is equal to 20
Step-by-step explanation:
Angles of a triangle equal 180.
110+x+x+30=180
2x+140=180
2x=40
x=20
If you input 20 as X back into the equation, then you can check that it is the right answer.
Can someone tell me why is nobody helping me with my question I be POSTING 4 TIMES PLEASE YALL Help me please
Answer:
x = 4
y = 5
Step-by-step explanation:
4x = x + 12
^(subtract x from both sides)^
3x = 12
^(divide both sides by 3)^
x = 4
3y = 15
(divide both sides by 3)
y = 5
The degree of the term with the greatest degree is called?
The degree of the term with the greatest degree is called the degree of the polynomial.
Here, it is necessary to remember that, by the definition, we can find the "Degree of a polynomial" by identifying the greatest degree of its terms.
The "Leading term" of a polynomial is defined mostly as the term with the highest power of the variable of the polynomial.
The numbers located in front to the variable (those numbers that multiply the variable) are called "Coefficients". The coefficient of the Leading term is known as the "Leading coefficient."
For example, given the following polynomial:
18x² + 2x - 6
You can identify that, in this case:
degree of the polynomial: 2
leading term: 18x²
leading coefficient: 18
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What is the value of m that makes the equation true?
5^m x (5^-7) =5^12
Answer:
the answer is m=19
Step-by-step explanation:
5^(m-7)=5^12
m-7=12(5 is cancelled because it is common in both sides)
m=19
The position of cat and rat are shown in a graph paper.Find the coordinates of cat and rat where they lie and the distance between them.
Distance:-
\(\\ \sf{:}\Rrightarrow \sqrt{(x_2-x_1)^2+(y_2-y_1)^2}\)
\(\\ \sf{:}\Rrightarrow \sqrt{(5+5)^2+(5-0)^2}\)
\(\\ \sf{:}\Rrightarrow \sqrt{10^2+5^2}\)
\(\\ \sf{:}\Rrightarrow \sqrt{125}\)
\(\\ \sf{:}\Rrightarrow 11.2\)
To determine her breathing rate, Miranda divides up her day into three parts: morning, afternoon, and evening. She then measures her breathing rate at 4 randomly selected times during each part of the day. What type of sampling is used? A. Simple random B, Stratified C. Systematic D. Convenience E. Cluster
The type of sampling used in this scenario is B. Stratified sampling. Stratified sampling involves dividing the population into distinct subgroups or strata and then selecting samples from each subgroup.
In this case, Miranda divides her day into three parts: morning, afternoon, and evening. Each part of the day represents a stratum or subgroup. Miranda measures her breathing rate at 4 randomly selected times during each part of the day. This means she is taking samples from each of the three strata (morning, afternoon, and evening) and collecting data from within those subgroups.
By using stratified sampling, Miranda ensures that her samples represent the different parts of her day in a proportional and systematic manner, allowing her to capture potential variations in her breathing rate throughout the day.
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Samantha is older than Montraie. Their ages are consecutive integers. Find Samantha's age and 5 times Montraie's age is 103
Answer:
Samantha is 21
Step-by-step explanation:
103/5=20.6 round down to 20 and since they are consecutive integers, 21.
Round $10,031.464 to the nearest dollar
Answer:
the answer is $10,031.00 because although the six is there it has no effect on the four. Four or below leave it alone 5 or above give it a shove..love yall hope i helped and can i get brainliest