Step-by-step explanation:
I think both are correct because Jessica says 30000 is 10 times of 3000 and she is right whereas Raul says 3000 is 1 / 10 of 30000 he is also right
4. A container in the shape of a cylinder is 15.5 cm high and has a diameter
of 12.8 cm. How many milliliters of chocolate milk will the container hold
if it is filled to the top? About how many liters would that be?
1993.5232 ml chocolate milk will the container hold if it is filled to the top.
What is Volume?volume is the amount of space in a certain 3D object
Given:
h= 15.5 cm, d= 12.8 cm , r= 6.4 cm
Volume of cylinder,
=πr²h
=3.14*6.4*6.4*15.5
=1993.5232 cm³
=1993.5232 ml
Hence, 1993.5232 ml chocolate milk will the container hold if it is filled to the top.
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To calculate depletion expense, first determine the depletion per unit. depletion per unit can be calculated by taking (cost ______)/total units of capacity.
To calculate depletion expense, you need to determine the depletion per unit. The depletion per unit can be calculated by taking (cost of the resource) / total units of capacity.
Depletion is an accounting method used to allocate the cost of natural resources over their useful life. It is commonly used in industries such as mining, oil and gas extraction, and timber harvesting, where companies extract and deplete natural resources as part of their operations.
The first step in calculating depletion expense is to determine the cost of the resource. This includes all costs incurred to acquire and develop the resource, such as exploration costs, development costs, and acquisition costs. These costs are typically capitalized and then allocated over the estimated recoverable units of the resource.
Once you have determined the cost of the resource, you need to calculate the total units of capacity. This refers to the estimated amount of resource that can be extracted or harvested from the reserve. For example, in mining, it could be measured in tons of ore, while in oil and gas extraction, it could be measured in barrels or cubic feet.
To calculate the depletion per unit, divide the cost of the resource by the total units of capacity. This will give you the amount of depletion expense that should be recognized for each unit extracted or harvested.
It's important to note that there are different methods for calculating depletion expense, such as units-of-production method and percentage depletion method. The units-of-production method calculates depletion based on actual production or extraction during a given period. On the other hand, the percentage depletion method allows for a fixed percentage deduction from gross income based on statutory rates.
In conclusion, to calculate depletion expense, you need to determine the depletion per unit by dividing the cost of the resource by the total units of capacity. This allows for an appropriate allocation of costs over the useful life of natural resources.
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A test has 20 questions and is worth 100 points. The unit rate is Points per question?
Answer:
15
Step-by-step explanation:
Answer:
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ASAP
7x+42=0
Options
x= 6
X= -6
49) Five friends each conducted different studies comparing two variables. Each friend calculated the correlation
coefficient, r, for their variables. Which r values suggest strong linear relationships? Select all that apply.
r=-0.83
r=0.5
r=-0.78
r=-0.5
r=0.3
r=0.128
r=0.95
The r values that suggest strong linear relationships are r=-0.83, r=-0.78, and r=0.95.
The correlation coefficient, r, is a measure of the strength and direction of the linear relationship between two variables.
In general, values of r range from -1 to 1, with values closer to -1 or 1 suggesting a strong linear relationship and values closer to 0 indicating a weak or no linear relationship.
Out of the given options, r=-0.83, r=-0.78, and r=0.95 suggest strong linear relationships as they are closest to either -1 or 1.
To calculate the strength of the correlation, we can use the following guidelines: an absolute value of r greater than 0.8 indicates a very strong correlation, between 0.6 and 0.8 is strong, between 0.4 and 0.6 is moderate, between 0.2 and 0.4 is weak; and less than 0.2 is very weak or no correlation at all.
Therefore, in this case, r=-0.83 and r=0.95 indicate a very strong correlation while r=-0.78 suggests a strong correlation between the variables studied by each friend in their respective studies comparing two variables.
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Complete Question:
Five friends each conducted different studies comparing two variables. Each friend calculated the correlation coefficient, r, for their variables. Which r values suggest strong linear relationships?
Select all that apply.
r=-0.83
r=0.5
r=-0.78
r=-0.5
r=0.3
r=0.128
r=0.95
Find the missing length of the triangle.
26 in.
a
24 in.
Answer:
10
Step-by-step explanation:
26^2-24^2=100
sqrt of 100 is 10
Work Shown:
Apply the pythagorean theorem to get...
a^2 + b^2 = c^2
a^2 + 24^2 = 26^2
a^2 + 576 = 676
a^2 = 676 - 576
a^2 = 100
a = sqrt(100)
a = 10
can someone please do this ill mark brainliest
Answer:
-60 im pretty sure this is it
use the equations for the total cost c and total revenue r to find the number x of units a company must sell to break even. (round to the nearest whole unit.) c=850x+250000 R=9502x
To break even, 29 units must always be sold. The cost will be $850 per unit, or $24,650.
Define the term break even point? The break-even threshold is reached when overall costs and total revenues are equal, leaving your small firm with no net benefit or loss. In many other words, you've achieved the point in production where the revenue from a product equals the cost of manufacture.For the given question-
Total cost c: c = 850x + 250000
Total revenue R: R = 9502x
The point during which costs equal revenues is known as the break-even point.
850x + 250000 = 9502x
9502x - 850x = 250000
8652x = 250000
x = 28.29
x = 29
Thus, to break even, 29 units must always be sold. The cost will be $850 per unit, or $24,650.
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8 x -1/4 x -7 cara ngerjain nya bagaimana?
Help I dont understand this
Identify any transformations that are used in each image below.
Some images may have multiple answers so make sure to include them all.
-Reflections - how many lines of symmetry and what specific type: vertical (y-axis), horizontal (x-axis), diagonal (y=x or y=-x)
-Rotations - of which order or how many degrees/angle of rotation
a. Reflectional symmetry only. The mirror line is vertical along the center of the sunglasses. The left half mirrors over this line to get the right half, and vice versa. There isn't any rotational symmetry because we can't rotate the glasses (some angle between 0 and 360 exclusive of both endpoints) to have the image be the same as the preimage.
---------------------
b. Rotational symmetry only. The puzzle can be rotated 90 degrees and the before and after image will be the exact same. There isn't any reflectional symmetry here.
----------------------
c. Reflectional symmetry and rotational symmetry. Effectively a combination of parts a) and b). We have a horizontal line of symmetry to go with a vertical one. The angle of rotation is 180 degrees.
----------------------
d. Reflectional symmetry and rotational symmetry. Similar to part c). This time the angle of rotation is 360/3 = 120 degrees. There are 3 lines of symmetry and they all pass through a vertex of the triangle, and the symmetry lines are perpendicular to the opposite side.
----------------------
e. Reflectional symmetry and rotational symmetry. We can rotate 180 degrees and not change the image. There are two lines of symmetry which pass through the center, one line is horizontal and the other vertical.
-----------------------
f. Rotational symmetry only. We don't have reflectional symmetry due to the smaller petals not matching up when reflections happen. But we can rotate the figure 120 degrees the same way we can with figure d.
(›)
Which is more, 1 tablespoon or 2 teaspoons?
Answer: 1 tablespoon
Step-by-step explanation:
An estimation of the amount of blood in
the human body is that it varies directly in
proportion to the person's body mass. An
80kg person has a blood volume of about 6
L. Write an equation to express the blood
volume as a function of body mass, and
determine the blood volume of an 88 kg
man and a 40 kg child.
The blood volume of an 88 kg man is approximately 6.6 liters, and the blood volume of a 40 kg child is approximately 3 liters.
Let's denote the body mass as "m" (in kilograms) and the blood volume as "V" (in liters). According to the given information, blood volume varies directly with body mass. This means that we can establish a direct proportionality between the two variables.
We can write the equation as:
V = km
Where "k" is the constant of proportionality.
To find the value of "k," we can use the information provided for an 80 kg person having a blood volume of 6 L:
6 = k * 80
Solving this equation, we find:
k = 6/80 = 0.075
Now, we can use this value of "k" to determine the blood volume for an 88 kg man and a 40 kg child:
For an 88 kg man:
V = 0.075 * 88 = 6.6 L
For a 40 kg child:
V = 0.075 * 40 = 3 L
Therefore, the blood volume of an 88 kg man is approximately 6.6 liters, and the blood volume of a 40 kg child is approximately 3 liters, based on the given equation and the constant of proportionality.
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________ are numbers equally likely to be chosen from a large population of numbers.
A simple random sample are numbers equally likely to be chosen from a large population of numbers.
What is Population?This is defined as the total number of people or variables present in an area over a given period of time.
Numbers are usually chosen at random from a large population for different reasons and are referred to as simple random sample because they have an equal probability of being chosen.
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A medical engineering company creates X-ray machines. The machines the company sold in 1995 were expected to last six years before breaking. To test how long the machines actually lasted, the company took a simple random sample of six machines. The company got the following results (in years) for how long the x-ray machines lasted: 8,6,7,9,5, and 7. Assume the distribution of the longevity of x-ray machines is normally distributed. Construct and interpret a 98% confidence interval for the average longevity of x-ray machines.
Based on a sample of six X-ray machines,the interval was calculated to be (6.04, 8.96) years, suggesting that with 98% confidence, the true average longevity of X-ray machines falls within this range.
To construct the confidence interval, we use the formula:
Confidence Interval = sample mean ± (critical value * standard error)
First, we calculate the sample mean by summing up the longevity of the six machines (8 + 6 + 7 + 9 + 5 + 7) and dividing by the sample size (6). This gives us a sample mean of 7 years.
Next, we need to calculate the standard error, which measures the variability of the sample mean. Since the population standard deviation is unknown, we use the sample standard deviation. By calculating the sample standard deviation of the longevity data (which is approximately 1.63 years), we can compute the standard error as sample standard deviation divided by the square root of the sample size.
The critical value is obtained from the t-distribution table for a 98% confidence level and five degrees of freedom (sample size minus one). In this case, the critical value is approximately 2.571.
Substituting the values into the formula, we find the confidence interval to be (6.04, 8.96) years.
Interpreting the interval, we can say with 98% confidence that the average longevity of X-ray machines is estimated to fall within this range. This means that, on average, X-ray machines sold by the company are expected to last between approximately 6.04 and 8.96 years.
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7. Solve 10x + 8 = 8x - (- 16) for x.
Answer:
Answer is 4.
x = 4
Step-by-step explanation:
Mia needs to order some new supplies for the restaurant where she works. The restaurant needs at least 690 knives. There are currently 208 knives. If each set on sale contains 10 knives, write and solve an inequality which can be used to determine xx, the number of sets of knives Mia could buy for the restaurant to have enough knives.
Mia needs to buy at least 49 sets of knives to ensure the restaurant has enough knives. Inequality is x ≥ 48.2.
What is inequality?Equal does not imply inequality. Typically, we use the "not equal symbol ()" to indicate that two values are not equivalent. But various inequalities are used to compare the values, whether it is less than or larger than.
According to question:Let's start by defining the variable x as the number of sets of knives Mia could buy.
Since each set contains 10 knives, the total number of knives that Mia could buy is 10x.
We want the restaurant to have at least 690 knives in total, so we can write the inequality:
10x + 208 ≥ 690
To solve for x, we need to isolate it on one side of the inequality. We can do this by subtracting 208 from both sides:
10x ≥ 482
Finally, we can isolate x by dividing both sides by 10:
x ≥ 48.2
We can't buy a fraction of a set, so we need to round up to the nearest integer. Therefore, Mia needs to buy at least 49 sets of knives to ensure the restaurant has enough knives.
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Can someone help me please ASAP?
The darker shaded ones are positive and the lighter ones are negative.
You just have to find which one is greater.
PLEASE HELP ASAP
please help! asap! thanks! xoxoxo
Answer:
B
Step-by-step explanation:
Don't know how to type those here so see attachment
Answer:
x = √29
Step-by-step explanation:
a^2 + b^2 = c^2
5^2 + 2^2 = c^2
25 + 4 = c^2
29 = c^2
√29 = √c^2
√29 = c
x = √29
two vacationers walk out on a horizontal pier as shown in the diagram below. as they approach the end of the pier, their gravitational potential energy will
The gravitational potential energy of the vacationers will decrease as they approach the end of the pier.
How we get the gravitational potential energy?As the vacationers approach the end of the pier, their gravitational potential energy will decrease.
Gravitational potential energy is the energy an object possesses due to its position in a gravitational field. It depends on the height of the object and the acceleration due to gravity.
In this scenario, as the vacationers walk out on the horizontal pier, their height above the ground remains constant. Since the height does not change, the gravitational potential energy also remains constant.
However, as they approach the end of the pier, their distance from the center of the Earth decreases. As a result, the gravitational potential energy decreases because it is directly proportional to the distance from the center of the Earth.
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(-4s+9) + (4s-6) simplify
Step-by-step explanation:
\( = ( - 4s + 9) + (4s - 6)\)
\( = - 4s + 9 + 4s - 6\)
\( = - 4s + 4s +9 - 6\)
Now subtract.....
\( = \boxed{\sf{3}}\)
hence the answer is 3 ....
hope it helped !!!!
On a test called the MMPI-2, a score of 30 on the Anxiety Subscale is considered
very low. Felipe participates in a yoga group at his gym and decides to give this
subscale to 18 people in his yoga group. The mean of their scores is 35.2, with a standard deviation of 10.4. He wants to determine whether their anxiety scores are statistically equal to 30.
What are the groups for this one-sample t-test?
What is the null hypothesis for this one-sample t-test?
What is the value of "?
Should the researcher conduct a one- or two-tailed test?
What is the alternative hypothesis?
What is the value for degrees of freedom?
What is the t-observed value?
What is(are) the t-critical value(s)?
Based on the critical and observed values, should Felipe reject or retain the null
hypothesis? Does this mean that his yoga group has scores that are above 30, below 30, or
statistically equal to 30?
What is the p-value for this example?
What is the Cohen’s d value for this example?
If the " value were dropped to .01, would Felipe reject or retain the null hypothesis?
Calculate a 42% CI around the sample mean.
Calculate a 79% CI around the sample mean.
Calculate a 95% CI around the sample mean.
The MMPI-2 test is used for the assessment of psychopathology and personality of patients.
It includes 567 true-false questions, resulting in 10 clinical scales, among which one is the anxiety subscale.
A score of 30 or less is usually considered very low.
The questions are answered by the patient, usually in a clinical or research setting.
A one-sample t-test is conducted in the problem, whereby a sample of 18 participants in a yoga group is tested for anxiety scores.
The following are the parameters of the one-sample t-test:Groups:
18 participants
Null hypothesis: The anxiety scores of Felipe's yoga group are statistically equal to 30." value: 30
Type of test: One-tailed test
Alternative hypothesis: The anxiety scores of Felipe's yoga group are greater than 30.
Degrees of freedom: n - 1 = 17T-observed value: (35.2 - 30) / (10.4 / sqrt(18)) = 2.41T-critical value: 1.734
Reject or retain null hypothesis: Since the t-observed value (2.41) is greater than the t-critical value (1.734), Felipe should reject the null hypothesis, which implies that his yoga group's scores are greater than 30.P-value: 0.014Cohen’s d value: (35.2 - 30) / 10.4 = 0.5
If the " value were reduced to 0.01, Felipe would still reject the null hypothesis, since the p-value (0.014) is lower than the alpha level (0.01).
For the sample mean: 35.2CI for 42%: 35.2 ± 0.58CI for 79%: 35.2 ± 1.16CI for 95%: 35.2 ± 2.13
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help plz i’ll give extra points
Answer:
b) unbalanced force
Step-by-step explanation:
Both sides are unequal so its ubalanced
Please I need help!!!
What is the answer to this question giving out brainlyest
Answer:
the second one
Step-by-step explanation:
when you plug in 0 for x, what your left with is the y intercept, the original and the second option both equal 12
Answer:
2,3&5
Step-by-step explanation:
y-intercept is the y-coordinates when x = 0,
Rewrite all the equations:
1. x² - 2x + 13
2. x² - 8x + 12
3. x² - 7x + 12
4. x² - 7x + 6
5. x² - 4x + 12
6. x² + 7x + 10
if the form of the quadratic equation is ax² + bx + c, c is the y-intercept of the function, thus 2,3&5 got the same y-intercept as the function f(x) = x² - 7x +12, which is 12.
the national average.
If the national average for a gallon of gas is $2.59, how much
should you expect to pay for gas in Philadelphia versus
Cleveland?
A. $3.03 / $2.75
B. $1.95 / $2.59
C. $2.34 / $2.75
D. $2.75 / $3.24
Philadelphia Clevland
Overall 92 78
Food 106 106
Housing 56 27
Utilities 130 126
Transportation 117 106
Health 102 113
The correct answer is D. $2.75 / $3.24
To determine how much you should expect to pay for gas in Philadelphia versus Cleveland, we need to compare the transportation expenses in both cities. Based on the given data, the transportation expenses are as follows:
Philadelphia: $117
Cleveland: $106
To calculate the expected gas prices, we need to consider the transportation expenses relative to the national average. The formula to find the expected gas price is:
Expected Gas Price = National Average * (Transportation Expense / National Average)
National Average for gas = $2.59
For Philadelphia:
Expected Gas Price in Philadelphia = $2.59 * ($117 / 92) ≈ $3.30
For Cleveland:
Expected Gas Price in Cleveland = $2.59 * ($106 / 78) ≈ $3.51
Comparing the expected gas prices, we find that:
A. $3.03 / $2.75: This option does not match the expected gas prices in Philadelphia and Cleveland.
B. $1.95 / $2.59: This option does not match the expected gas prices in Philadelphia and Cleveland.
C. $2.34 / $2.75: This option does not match the expected gas prices in Philadelphia and Cleveland.
D. $2.75 / $3.24: This option matches the expected gas prices in Philadelphia and Cleveland.
Therefore, the correct answer is:
D. $2.75 / $3.24
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If t(n) = 15 - 2.5n, how do I find t1,t2,t3,and tn+1? I also have to express tn+1-tn in its simplest form.
Answer:
Just substitute, and the simplified form is 1
Step-by-step explanation:
Substitute the values needed into the original equation. For example, if n=1
t(1)=15-2.5(1)=15-2.5=12.5. Or, if tn+1 substitute f(tn+1)=15-2.5(tn+1) and simplify.
tn+1-tn in its simplest form is just 1, as tn and -tn cancel out to leave 1.
A _____ distribution is where the different possible values occur with approximately the same frequency.
A uniform distribution is where the different possible values occur with approximately the same frequency.
In a uniform distribution, each possible value within a given range has an equal probability of occurring. This means that the frequencies of different values are approximately the same. The uniform distribution is characterized by a constant probability density function (PDF) over the range of possible values.
For example, if we consider a fair six-sided die, each face has an equal chance of being rolled, and therefore, the distribution of outcomes is uniform. The probability of rolling any specific number from 1 to 6 is 1/6, and all these probabilities are the same.
In a uniform distribution, there are no peaks or troughs, and the distribution is characterized by a flat and constant shape. This is in contrast to other distributions such as the normal distribution or the exponential distribution, where the probabilities are not evenly distributed and certain values are more likely to occur than others.
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A walking path is being built along the diagonal of a
rectangular park. Determine the length of the path, to the
nearest metre.
A 135 m
B 97 m
C 66 m
D 58 m
Answer:
C
Step-by-step explanation:
BRAINLIEST PLEASE
Is the number √5 rational, irrational, both rational and irrational, or neither rational nor irrational?
Hi there!
»»————- ★ ————-««
I believe your answer is:
The square root of 5 (\(\sqrt{5}\)) is irrational.
»»————- ★ ————-««
Here’s why:
A rational number is a number that can be rewritten as a fraction of two integers with a nonzero denominator. Rational numbers include integers, fractions, terminating decimal, or repeating decimals.A square root that is perfect would be rational. A non-perfect square root is irrational.⸻⸻⸻⸻
Since the square root of 5 is not a perfect square, it would be irrational.
⸻⸻⸻⸻
»»————- ★ ————-««
Hope this helps you. I apologize if it’s incorrect.
Benjamin is turning 9 and wants to have his birthday party at Party Zone Palace. Party Zone Palace offers several different birthday packages. The pricing for three packages are displayed below.
a. Does Package C represent a function? Explain your reasoning.
b. Explain how you know that Package A and Package B represent linear functions.
a) Where the above condition exists, it is correct to state that, yes, Package C represents a function, specifically a step function.
b) We know that Package A and Package B represent linear functions because they have a constant rate of change, or slope.
What is a step function?A step function is a function that has a constant value over a series of intervals, and the value changes abruptly from one interval to the next.
A) With regards to the Benjamin's conditions, Package C represents a function, specifically a step function. It relates the cost of a birthday package to the number of people attending the party. The function takes on different constant values for different intervals of the number of people. For example, if x represents the number of people attending the party, then:
C(x) = 15, if 1 ≤ x ≤ 15
C(x) = 12, if 16 ≤ x ≤ 30
C(x) = 9, if x > 30
So, if Benjamin is expecting 25 guests, his birthday package cost would be $12 per person, or a total of $300.
B)
We know that Package A and Package B represent linear functions because they have a constant rate of change, or slope. In Package A, the cost is determined by multiplying the number of people by a fixed rate of $8, and then adding a constant value of $12. This can be written as:
C(p) = 8p + 12
where p is the number of people attending the party.
The slope of this function is 8, indicating that for each additional person, the cost of the package increases by $8.
Similarly, in Package B, the cost is determined by the total number of people attending the party, and the cost varies linearly with the number of people. This can be represented as:
C(x) = mx + b
where x is the number of people, m is the slope (rate of change), and b is the y-intercept (constant term).
Since the cost varies linearly with the number of people, we know that the slope is constant, indicating that the function represents a linear relationship between the number of people and the cost of the package.
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