Answer:
The change in volume is -5.5 mL (a decrease in volume of 5.5 mL) when 60.0 mL of gas is cooled from 33.0°C to 5.00°C.
Step-by-step explanation:
To calculate the change in volume, we need to use the ideal gas law equation:
V1/T1 = V2/T2
where V1 and T1 are the initial volume and temperature, and V2 and T2 are the final volume and temperature.
Given:
V1 = 60.0 mL
T1 = 33.0°C = 33.0 + 273.15 = 306.15 K
T2 = 5.00°C = 5.00 + 273.15 = 278.15 K
Now we can calculate V2, the final volume:
V1/T1 = V2/T2
(60.0 mL) / (306.15 K) = V2 / (278.15 K)
Cross-multiplying and solving for V2:
V2 = (60.0 mL) * (278.15 K) / (306.15 K)
V2 = 54.5 mL
The final volume, V2, is 54.5 mL.
To find the change in volume, we subtract the initial volume from the final volume:
Change in volume = V2 - V1
Change in volume = 54.5 mL - 60.0 mL
Change in volume = -5.5 mL
Therefore, the change in volume is -5.5 mL (a decrease in volume of 5.5 mL) when 60.0 mL of gas is cooled from 33.0°C to 5.00°C.
The table below shows the values of f(x) and g(x) for different values of x. One of the functions is a quadratic function, and the other is an exponential function. Which function is most likely increasing quadratically?
x f(x) g(x)
1 3 3
2 6 9
3 11 27
4 18 81
5 27 243
f(x), because it grows faster than g(x)
g(x), because it will not intersect f(x)
g(x), because it grows slower than f(x)
f(x), because it grows slower than g(x)
f(x) is the quadratic function.
g(x) is tripling its output for each 1-unit increase in x and g(x) = 3^x.
A quadratic function always grows more slowly than an exponential function.
So the best answer is:
f(x), because it grows slower than g(x)
What is 7385.35 multiplied by 527.35
A number cube is rolled 500 times. Here are the results: Outcome Rolled 1 2 3 4 5 6 Calculate the following probabilities to the nearest thousandth. The theoretical probability of rolling a 5 or 6 The experimental probability of rolling a 5 or 6 [Choose ] Number of Rolls 81 95 79 89 80 76 [Choose]
Answer:
The theoretical probability of rolling a 5 or 6 can be calculated by finding the sum of the probabilities of rolling a 5 and rolling a 6. Since the number cube has 6 equally likely outcomes, the probability of rolling a 5 or 6 is:
Theoretical probability = (probability of rolling a 5) + (probability of rolling a 6)
= 1/6 + 1/6
= 2/6
= 1/3
The experimental probability of rolling a 5 or 6 can be calculated by dividing the number of times a 5 or 6 was rolled by the total number of rolls. From the given data, the number of rolls for each outcome is:
Outcome | Number of Rolls
1 | 81
2 | 95
3 | 79
4 | 89
5 | 80
6 | 76
Experimental probability = (number of times a 5 or 6 was rolled) / (total number of rolls)
= (number of times a 5 was rolled + number of times a 6 was rolled) / 500
= (80 + 76) / 500
= 156 / 500
= 0.312
Therefore, the theoretical probability of rolling a 5 or 6 is 1/3, and the experimental probability is approximately 0.312.
Step-by-step explanation:
What is absolute value and how do you find the absolute value of a number?
Find the absolute value of the following numbers:
|17| |−25| |−1.23| |0.45|
Identify whether each of the following is rational or irrational: 234 5–√
Convert the decimal 0.44444… to a fraction.
Match the number on the left with its classification on the right. Number Classification 0.3333… nonrepeating decimal 3.48372… repeating decimal 3.3 terminating decimal
Absolute value is a mathematical function that gives the distance of a number from zero on the number line.
How to explain the informationLet's find the absolute value of the given numbers:
|17| = 17
|−25| = 25
|−1.23| = 1.23
|0.45| = 0.45
Now, let's identify whether the following numbers are rational or irrational:
234: This is a rational number because it can be expressed as a fraction (e.g., 234/1).
5–√: This is an irrational number because it cannot be expressed as a fraction or a ratio of integers. The square root of 5 is not a perfect square, so it is irrational.
To convert the decimal 0.44444... to a fraction, we can set it as the variable x and solve the equation:
x = 0.44444...
Multiply both sides by 10 to move the decimal point:
10x = 4.44444...
10x - x = 4.44444... - 0.44444...
9x = 4
Divide both sides by 9:
x = 4/9
Therefore, the decimal 0.44444... is equivalent to the fraction 4/9.
Matching the numbers with their classifications:
0.3333...: This is a repeating decimal.
3.48372...: This is a nonrepeating decimal.
3.3: This is a terminating decimal.
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the headlights on a car are set so the light beam drops 2 in. for 26 ft measured horizontally. If the headlights are mounted 24 in. above the ground, how far ahead of the car will they hit the ground?>
Answer:
0.168 ft aprox
Step-by-step explanation:
To solve this problem, we can use similar triangles and proportions. Let's denote the distance ahead of the car where the light beam hits the ground as "x" (in feet).
According to the given information, the light beam drops 2 inches for every 26 feet horizontally. We can set up the following proportion:
2 inches / 26 feet = x inches / x + 26 feet
To solve for x, we can cross-multiply and solve the resulting equation. Let's convert inches to feet to maintain consistent units:
2 inches = 2/12 feet = 1/6 feet
1/6 feet / 26 feet = x feet / x + 26 feet
1/6 * (x + 26) = 26 * x
x/6 + 26/6 = 26x
x + 26 = 156x
156x - x = 26
155x = 26
x = 26 / 155 ≈ 0.168 ft
Therefore, the headlights will hit the ground approximately 0.168 feet (or 2.016 inches) ahead of the car.
Pizza General charges 10 dollars per medium pizza and a 5-dollar delivery fee. Fill in the table to show how much you would pay to get each number of pizzas delivered. Make sure to consider both the cost of the pizzas and the delivery fee.NOWWWWW
Answer:
Step-by-step explanation:
$15 for one pizza it's simple
Find the equation using the point slope formula or slope intercept formula for the two sets of points. (19,-16) (-7,-15)
The equation of the Line passing through the points (19, -16) and (-7, -15) is: y = (-1/26)x - 397/26
The equation of a line using the point-slope formula or the slope-intercept form, we need either the slope of the line or the y-intercept. Let's calculate the slope of the line using the given points (19, -16) and (-7, -15).
The slope (m) can be calculated using the formula:
m = (y2 - y1) / (x2 - x1)
Using the coordinates (19, -16) as (x1, y1) and (-7, -15) as (x2, y2), we can substitute these values into the slope formula:
m = (-15 - (-16)) / (-7 - 19)
m = (-15 + 16) / (-7 - 19)
m = 1 / (-26)
m = -1/26
Now that we have the slope of the line, we can use either the point-slope formula or the slope-intercept form to find the equation.
Using the slope-intercept form, which is y = mx + b, where m represents the slope and b represents the y-intercept, we can substitute the slope (-1/26) and one of the given points (19, -16) into the equation:
-16 = (-1/26) * 19 + b
To solve for b, we can simplify the equation:
-16 = -19/26 + b
To isolate b, we can add 19/26 to both sides of the equation:
-16 + 19/26 = b
Now, we can find the common denominator of 26 and add the fractions:
(-416 + 19) / 26 = b
-397/26 = b
Therefore, the equation of the line passing through the points (19, -16) and (-7, -15) is: y = (-1/26)x - 397/26
This equation represents the line with a slope of -1/26 and a y-intercept of -397/26.
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I'll mark whoever answers first!! Please help me
Answer:
Center ( -8, 1 )
Radius ( 13 )
Results:
1. Machine A costs the most but offers the highest increase in coffee output. Operating the machine can be difficult, so employees will need training.
2. Machine B costs $100 less than machine A, produces acceptable coffee output, and is simple to use. No training is required.
3. Machine C costs the least, produces slightly less than the current machine, and is simple to use. No training is required.
11
Select the correct answer from each drop-down menu.
Complete the sentence to tell why the writer has created this proposal.
The writer has written the proposal to
A) determine which kind of coffee most people like
B) compare different coffee makers before making a purchase
C) analyze the budget for buying a new coffee maker
Answer:
Step-by-step explanation:
imagine copy and pasting your question.
30 points !! :) Thank you in advance
The solutions of the quadratic equation are: x = 1
The x-intercept is x = 1
What is the Solution to the quadratic equations?The formula for the equation of a line in slope intercept form is:
y = mx + c
where:
m is slope
c is y-intercept
The y-intercept is the point at which the graph crosses the y-axis and in this case it is: y = 1
The x-intercepts are where the graph touches the x-axis and in this case, it is x = 1
The zeros of the quadratic equation are the x-intercepts and since the curve does not cross, then we can say that the zeros are x = 1 and x = 1 which signifies double root and as such the solution is x = 1
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100 Points! Geometry question. Photo attached. Use the Pythagorean Theorem to find x. Please show as much work as possible. Thank you!
The value of x is,
⇒ x = 21.65
We have to given that,
A right triangle is shown in image.
Since, The Pythagoras theorem states that in a right triangle, the square of the hypotenuse is equal to the sum of the square of the other two sides.
Hence, We get;
⇒ 25² = 12.5² + x²
⇒ 625 = 156.25 + x²
⇒ x² = 625 - 156.25
⇒ x² = 468.75
⇒ x = 21.65
Thus, The value of x is,
⇒ x = 21.65
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Which statements are true of the graph of h(x) = 3√x-4? Check all that apply.
The domain of h(x) is the set of all real numbers.
The range of h(x) is the set of all real numbers.
For all points (x, h(x)), h(x) exists if and only if x - 4
2
O The graph of h(x) is a translation of f(x) down 4 units.
O The graph of h(x) intercepts the x-axis at (4, 0).
The true statements about the graph of h(x) = ∛(x-4) are:
The domain of h(x) is the set of all real numbers.
For all points (x, h(x)), h(x) exists if and only if x - 4≥0
The graph of h(x) intercepts the x-axis at (4, 0).
The domain of h(x) is the set of all real numbers since there are no restrictions on the input variable x.
For all points (x, h(x)), h(x) exists if and only if x - 4 ≥ 0. This is because the cube root function is only defined for non-negative values, and the expression inside the cube root, x - 4, must be non-negative for h(x) to exist.
The graph of h(x) intercepts the x-axis at (4, 0) since plugging in x = 4 into the equation gives h(4) = ∛(4-4) = ∛0 = 0. This means that the point (4, 0) lies on the graph.
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50 Points! Multiple choice algebra question. Photo attached. Thank you!
Answer:
B. Similar
Step-by-step explanation:
The two spheres are similar, but not congruent. They have the same shape, but different sizes.
The scale factor between the two spheres is 9/6= 3/2, which means that the radius of the larger sphere is 3/2 times the radius of the smaller sphere.
Use the given proof to answer the question below:
Given ABCD is a parallelogram.
Prove: ADCB
D
A
1
2
3
4
S
6
Statements
ABCD is a parallelogram
ABI CD and AD IBC
and
AC = AC
ADCA ABAC
AD CB
Which of the options below complete the proof?
A. Statement 3: LBACZCAD and ZBCA LDCA
Reason 5: A.A.S. Postulate
B. Statement 3: LBACCAD and ZBCA = LDCA
Reason 5: A.S.A Postulate
C. Statement 3: LBAC LDCA and LBCA LDAC
Reason 5: A.A.S. Postulate
D. Statement 3: ZBAC LDCA and LBCA LDAC
Reason 5: A.S.A Postulate
Reasons
Given
Definition of parallelogram
Alternate interior angles theorem
Reflexive property
C.P.C.T.C.
The correct option is D.
Given that ABCD is a parallelogram, we need to prove AD ≅ CB.
So,
Properties of a parallelogram =
Opposite sides are parallel.
Opposite sides are congruent.
Opposite angles are congruent.
Statement Reason
1. ABCD is a parallelogram Given
2. AB║CD and AD║BC Definition of parallelogram
3. ∠BAC ≅ ∠DCA and ∠BCA ≅ ∠DAC Alternate interior angles theorem
4. AC ≅ AC Reflexive property
5. ΔBAC ≅ ΔDCA A.S.A Postulate
6. AD ≅ CB CPCTC
Hence the correct option is D.
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Each morning, Sleepwell Hotel offers its guests a free continental breakfast with pastries and orange juice. The hotel served 540 gallons of orange juice last year. This year, the hotel served 5% less orange juice than it did the previous year. How much was served this year
The amount of juice served this year is given as follows:
513 gallons.
How to obtain the amount of juice?The amount of juice served this year is obtained applying the proportions in the context of the problem.
The amount last year was given as follows:
540 gallons.
The percentage of this year's amount relative to last year's amount is given as follows:
95%, due to the decay of 5%, 100 - 5 = 95%.
Hence the amount of juice served this year is given as follows:
0.95 x 540 = 513 gallons.
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Which graph represents the solution set to the system of inequalities?
Y ≤ 2X+2
1/2X + Y <7
Y- 3 ≥ 0
ANSWER is Down Below
The solution set to the system of inequalities will be the overlapping region or the intersection of the shaded regions from all three inequalities.
The system of inequalities consists of three inequalities:
y ≤ 2x + 2
(1/2)x + y < 7
y - 3 ≥ 0
Let's analyze each inequality:
y ≤ 2x + 2 represents a shaded region below the line with a slope of 2 and a y-intercept of 2.
(1/2)x + y < 7 represents a shaded region below the line with a slope of -1/2 and a y-intercept of 7.
y - 3 ≥ 0 represents a shaded region above the line with a slope of 0 and a y-intercept of 3.
The solution set to the system of inequalities will be the overlapping region or the intersection of the shaded regions from all three inequalities.
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50 Points! Multiple choice geometry question. Photo attached. Thank you!
area of equilateral triangle =
[tex]( \sqrt{3 } \div 4) \times a {}^{2} [/tex]
(C) area = 84.9 in²
Which country is directly east of the Atlantic Ocean?
Please only answer if u actually know pls!
At a price of $3, the total revenue will be the greatest, and the company will sell 3 units at that price.
To find the total revenue at each price, we can multiply the price by the corresponding quantity.
Price Quantity Total Revenue
$6 0 $0
$5 1 $5
$4 2 $8
$3 3 $9
$2 4 $8
$1 5 $5
To find the price at which total revenue is the greatest, we look for the highest value in the Total Revenue column.
In this case, the highest total revenue is $9, which occurs when the price is $3.
At a price of $3, the company will sell 3 units (as indicated in the Quantity column).
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What is the meaning of "we shall use in formulas other symbols, namely defined predicates, operations, and constants, and even use formulas informally"?
The statement indicates that in practical applications, it is common to extend the basic logical language with additional symbols and allow for some degree of informality in the representation of formulas, as long as it is clear that these additional symbols and formulas can be formalized in terms of the basic logical language.
What does the statement mean?The statement means that when working with formulas in a particular context or domain, it is common to introduce additional symbols beyond the basic logical symbols such as "E" (for existential quantification) and "∧" (for conjunction). These additional symbols can include defined predicates, operations, and constants.
Defined predicates refer to predicates or relations that are defined in terms of other predicates or relations. They can be used to express complex concepts or conditions in a concise manner. For example, in mathematics, one may define a predicate "Prime(x)" to represent the concept of a number being prime.
Operations refer to functions or operations that can be applied to terms or formulas. They allow for combining or manipulating expressions in a meaningful way. For instance, addition, multiplication, and exponentiation are common operations in mathematics.
Constants are symbols that represent specific, fixed values. They can be used to denote specific objects or elements within the domain of discourse. For example, in logic, "0" and "1" can be used as constants to represent the truth values "false" and "true," respectively.
Furthermore, the statement suggests that formulas may be used informally, meaning that they can be expressed or written in a less strict or precise manner. While the informal representation of formulas may be easier to understand or work with, it is understood that each of these formulas can be translated or reformulated in a way that only involves the basic logical symbols (such as "E" and "∧") and the specified nonlogical symbols (such as defined predicates, operations, and constants).
Overall, the statement acknowledges that in practical applications, it is common to extend the basic logical language with additional symbols and allow for some degree of informality in the representation of formulas, as long as it is clear that these additional symbols and formulas can be formalized in terms of the basic logical language.
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the following number of people attended last 10 screenings of a movie. mean median or mode
We can see here that the measure that should be used to summarize the data is: A. Mean.
What is mean?The mean, which is used to indicate the average value of a group of values in statistics, is a measure of central tendency. It is determined by adding up all of the dataset's values and then dividing the total by the number of values.
Mean = (Sum of all values) / (Total number of values)
The mean is widely used in statistics to summarize and describe the average value of a dataset. It is a useful measure for understanding the central tendency of a set of values.
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The complete question is:
The following number of people attended last 10 screenings of a movie.
196, 197, 198, 199, 202, 203, 204, 205, 206, 208
Which measure should be used to summarize the data?
A. Mean
B. Median
C. Mode
Please answer the attached question
Answer:
∠ DFG = 48°
Step-by-step explanation:
the central angle is equal to the measure of the arc that subtends it.
since EOG is the diameter of the circle with central angle of 180° , then
arc EG = 180°
the inscribed angle EGD is half the measure of the arc ED that subtends it, so
arc ED = 2 × ∠ EGD = 2 × 42° = 84° , then
ED + DG = EG , that is
84° + DG = 180° ( subtract 84° from both sides )
DG = 96°
Then
∠ DFG = [tex]\frac{1}{2}[/tex] × EG = [tex]\frac{1}{2}[/tex] × 96° = 48°
50 Points! Multiple choice geometry question. Photo attached. Thank you!
The length of PQ in circle R is given as follows:
C) 3.14 m.
What is the measure of the circumference of a circle?The circumference of a circle of radius r is given by the equation presented as follows:
C = 2πr.
The radius for the circle in this problem is given as follows:
r = 3 m.
Hence the circumference for the entire circle is given as follows:
C = 2 x 3.14 x 3
C = 18.84 m.
The sector has an angle measure of 60º, while the entire circumference is of 360º. hence the measure of arc PQ is given as follows:
PQ = 60/360 x 18.84
PQ = 3.14 m.
Hence option C is the correct option in the context of this problem.
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Pleaseseee help
Two one-step equations
Two equations that contains fractions
One equation with distributive property
One equation with decimals
One real-world problem that is solved by an equation
Remember that each equation must include at least one variable
please help
The road trip will take approximately 5 hours.
Two one-step equations:
a) 2x + 5 = 13
In this equation, the variable 'x' represents an unknown number. By performing one step of subtraction, we can find the value of 'x' that makes the equation true.
The solution is x = 4.
b) 3y - 7 = 16
Similar to the first equation, 'y' represents an unknown number.
By adding 7 to both sides of the equation, we can isolate the variable and solve for 'y.'
The solution is y = 7.
Two equations with fractions:
a) (1/3)x + 2 = 5
Here, the variable 'x' is multiplied by a fraction.
To isolate 'x,' we can subtract 2 from both sides and then multiply both sides by the reciprocal of 1/3, which is 3/1.
The solution is x = 9.
b) (2/5)y - 3 = 1
In this equation, 'y' is multiplied by a fraction.
We can isolate 'y' by adding 3 to both sides and then multiplying both sides by the reciprocal of 2/5, which is 5/2.
The solution is y = 4.
One equation with the distributive property:
a) 2(x + 3) = 10
This equation demonstrates the distributive property.
By applying it, we multiply 2 by both x and 3, resulting in 2x + 6 = 10.
We can then solve for 'x' by subtracting 6 from both sides.
The solution is x = 2.
One equation with decimals:
a) 0.4x + 0.8 = 1.6
In this equation, 'x' is multiplied by a decimal.
To isolate 'x,' we subtract 0.8 from both sides and then divide both sides by 0.4.
The solution is x = 2.
Real-world problem:
Imagine you're planning a road trip.
The distance you'll be traveling is 250 miles, and your car's average speed is 50 miles per hour.
You want to determine how long the trip will take.
Let 't' represent the time in hours it will take to complete the trip.
The equation that represents this situation is:
50t = 250
By dividing both sides of the equation by 50, we find that t = 5.
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50 Points! Multiple choice geometry question. Photo attached. Thank you!
The meaure of m∠KJL in the circle is:
m∠KJL = 25°
How to find the angle m∠KJL in the circle?Since ΔJKL is inscribed in circle P with diameter JK and mJL = 130°. Thus, m∠JLK is an inscribed angle.
Since an angle inscribed in a semicircle is a right angle.
Thus, m∠DFE = 90°
Since the measure of inscribed angle is half the measure of its intercepted arc. Thus:
m∠JKL = 1/2 * mJL
m∠JKL = 1/2 * 130
m∠JKL = 65°
Therefore:
m∠KJL = 180 - 90 - 65 = 25° (sum of angles in a triangle)
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NEED THIS ASAP WILL GIVE BRAINLIEST HELP!
Answer:
D. Alternate Interior Angles Converse
Edplanation:
13 ~= 12
13 altenated angle to nr.10
13 is parpendicular to nr.15 and 15 is alternate to 12
PLEASE HELP ASAP !!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
The distance across the stream is 198 m.
We have,
ΔABC and ΔEBD are similar.
This means,
Corresponding sides ratios are the same.
Now,
AC/ED = AB/BE
Substituting the values.
x/360 = 220/400
x = 220/400 x 360
x = 22/40 x 360
x = 22 x 9
x = 198
Thus,
The distance across the stream is 198 m.
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Consider the line 3x+2y=-1.
Find the equation of the line that is perpendicular to this line and passes through the point (5, 3).
Find the equation of the line that is parallel to this line and passes through the point (5, 3).
Note that the ALEKS graphing calculator may be helpful in checking your answer.
Equation of perpendicular line:
Equation of parallel line:
0
helppp!! someone help me asappp
Answer:
[(5 ± √(29)) ÷ 2]
Step-by-step explanation:
x = [(-b ± √(b² - 4ac)) ÷ 2a]
= [(-(-5) ± √((-5)² - 4(1)(-1))) ÷ 2(1)]
= [(5 ± √(25 + 4)) ÷ 2]
= [(5 ± √(29)) ÷ 2]
Triangle LMIN with vertices L(2, -8), M(12, 8),
and N(14,-4): * = ½
The vertices of triangle image are L'(1, -4), M'(6, 4) and N'(7, -2).
Given that, triangle LMIN with vertices L(2, -8), M(12, 8) and N(14,-4).
Here, scale factor k=1/2
Now, by applying scale factor to the vertices, we get
L(2, -8)→1/2 (2, -8)→L'(1, -4)
M(12, 8)→1/2 (12, 8)→M'(6, 4)
N(14,-4)→1/2 (14, -4)→N'(7, -2)
Therefore, the vertices of triangle image are L'(1, -4), M'(6, 4) and N'(7, -2).
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"Your question is incomplete, probably the complete question/missing part is:"
Triangle LMIN with vertices L(2, -8), M(12, 8), and N(14,-4): k = ½.