Answers
Answer:
The volume is 3360
Step-by-step explanation:
L X H x W
12* 28* 10= 3360
Your welcome
Related Questions
2. pvalue
3.critical value
4.test value
5.make a desision
Noise Levels in Hospitals In a hospital study, it was found that the standard deviation of the sound levels from 30 areas designated as "casualty doors" was 6.4 dBA and the standard deviation of 28 areas designated as operating theaters was 4.1 dBA. At a 0.10, can you substantiate the claim that there is a difference in the standard deviations? Use a, for the standard deviation of the sound levels from areas designated as "casualty doors." Part 1 of 5 (a) State the hypotheses and identify the claim. H_0: sigma_1^ = sigma_2^ _____
H_1: sigma_1^ ≠ sigma_2^ _____
This hypothesis test is a___test.
Answers
The hypotheses for the test are H₀: σ₁² = σ₂² and H₁: σ₁² ≠ σ₂². This is a two-tailed test to assess if there is a difference in the standard deviations of sound levels between the areas designated as "casualty doors" and operating theaters. The claim being investigated is whether or not there is a difference in the standard deviations.
The hypotheses for the test are:
H₀: σ₁² = σ₂² (There is no difference in the standard deviations of the sound levels between the areas designated as "casualty doors" and operating theaters.)
H₁: σ₁² ≠ σ₂² (There is a difference in the standard deviations of the sound levels between the areas designated as "casualty doors" and operating theaters.)
This hypothesis test is a two-tailed test because the alternative hypothesis is not specifying a direction of difference.
To substantiate the claim that there is a difference in the standard deviations, we will conduct a two-sample F-test at a significance level of 0.10, comparing the variances of the two groups.
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Bill's Bargains sells 16 ounces of Circle O's cereal for $3.36. Debbie's Deals sells 40 ounces of Circle O's cereal for $7.60. Which store as the better deal?
Answers
Answer:
Debbie's Deals has the better deal with a price of $0.19 per ounce compared to Bill's Bargains at $0.21 per ounce.
Step-by-step explanation:
Divide $3.36 by 16 = $0.21
Divide $7.60 by 40 = $0.19
Debbie's Deals sells the Circle O's cereal for a cheaper per ounce price thus it's the better price and the better deal.
Good luck!
I’m doing math homework and is about functions they said f(x)= x-3 and g(x)= √x-2
After I set them up I have this
am I supposed to just add the numbers or is there something else to do?
√ (x-3)-2
Answers
Answer: It looks like you are trying to find the value of the function h(x) = √ (x-3) - 2.
To find the value of this function for a given value of x, you need to substitute the value of x into the function definition and simplify the expression.
For example, if you want to find the value of h(x) for x = 5, you would substitute 5 for x in the function definition and simplify the expression to get:
h(5) = √(5-3) - 2
= √2 - 2
= 1.4 - 2
= -0.6
Therefore, the value of h(x) for x = 5 is -0.6.
You can follow this same process to find the value of h(x) for any other value of x. Just be sure to substitute the correct value of x into the function definition and simplify the expression to find the final result.
Step-by-step explanation:
Answer:
g[f(x)]
Step-by-step explanation:
Given functions:
\(f(x)=x-3\)
\(g(x)=\sqrt{x}-2\)
Composite functions are when the output of one function is used as the input of another.
Therefore, to create √(x-3)-2, substitute the function f(x) in place of the x in function g(x):
\(\begin{aligned}\implies g[f(x)]&=\sqrt{f(x)}-2\\&=\sqrt{x-3}-2\end{aligned}\)
2/3 + r =-4/9
What’s the value of r
Answers
Answer:
-10/9
Step-by-step explanation:
I made it so that 2/3 a -4/9 had the same denominator which turned 2/3 into 6/9
then I solved normally
Does anybody know what (3/4 + 1/8) + (1/4 x 15) is ?
Answers
Answer: 4.625
as a fraction 4 5/8
Step-by-step explanation:
Answer:
1 1/8
Step-by-step explanation:
(3/4 + 1/8) = 6/8 + 1/8 = 7/8
(1/4 x 15) = 2/8 x 15 = 30/120 = 2/8
7/8 + 2/8 = 9/8 = 1 1/8
plz hurry and answer i will give brainliest
what is 2*2+6/2*3
Answers
Answer:
This would equal 13.
2x2=4, 6/2=3, 3x3=9, 9+4=13
We might choose to display data with a stemplot rather than a boxplot because a stem plot I. reveals the shape of the distribution.
II. is better for large datasets.
III. displays the actual data.
Answers
Statements I, II, and III are partially correct, but statement II needs to be corrected to indicate that stem plots are better for small to moderate-sized datasets.
We might choose to display data with a stem plot rather than a boxplot because:
Reveals the shape of the distribution.
Is better for small to moderate-sized datasets.
Displays the actual data.
A stem plot is a type of graph that shows the distribution of data by grouping the observations into stems and leaves.
It allows for the display of the actual data values, which is not possible in a boxplot.
Additionally, stem plots are particularly useful for small to moderate-sized datasets as they provide a detailed view of the distribution, allowing for the identification of patterns such as skewness, multimodality, and outliers.
On the other hand, boxplots are better for large datasets as they provide a more concise summary of the distribution, including information about the median, quartiles, and outliers, while still conveying information about the spread and shape of the distribution.
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Find the exact value of each of the remaining trigonometric functions of θ.
sin θ =12/13, θ in quadrant I
(Simplify your answer, including any radicals. Use integers or fractions for any numbers in the expression.)
Answers
The exact values of the remaining trigonometric functions of θ are:
cos θ = 5/13
tan θ = 12/5
csc θ = 13/12
sec θ = 13/5
cot θ = 5/12
Given that sin θ = 12/13 and θ is in quadrant I, we can determine the values of the remaining trigonometric functions as follows:
cos θ:
In quadrant I, cos θ is positive. We can use the Pythagorean identity \(sin^2 θ + cos^2 θ = 1\) to find the value of cos θ:
\(cos^2 θ = 1 - sin^2 θcos^2 θ = 1 - (12/13)^2cos^2 θ = 1 - 144/169cos^2 θ = (169 - 144)/169cos^2 θ = 25/169\)
Since cos θ is positive in quadrant I, we take the positive square root:
cos θ = √(25/169)
cos θ = 5/13
tan θ:
tan θ is the ratio of sin θ to cos θ:
tan θ = sin θ / cos θ
tan θ = (12/13) / (5/13)
tan θ = 12/5
csc θ:
csc θ is the reciprocal of sin θ:
csc θ = 1 / sin θ
csc θ = 1 / (12/13)
csc θ = 13/12
sec θ:
sec θ is the reciprocal of cos θ:
sec θ = 1 / cos θ
sec θ = 1 / (5/13)
sec θ = 13/5
cot θ:
cot θ is the reciprocal of tan θ:
cot θ = 1 / tan θ
cot θ = 1 / (12/5)
cot θ = 5/12
Therefore, the exact values of the remaining trigonometric functions of θ are:
cos θ = 5/13
tan θ = 12/5
csc θ = 13/12
sec θ = 13/5
cot θ = 5/12
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Cos^2x+(tan^2x)(cos^2x)
Answers
cos
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cos
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=
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I searched it hope it helps
Hope you could understand.
If you have any query, feel free to ask.
Find
sin 22 1/2
°
please help
Answers
Answer:
0.69465837 is the answer
A table of values of a linear function is shown below. Find the output when the input is . Type your answer in the space provided.
Answers
make A the subject of the formula y=3w-a
Answers
Answer:
a=3w−y
Step-by-step explanation:
Step 1: Flip the equation.
−a+3w=y
Step 2: Add -3w to both sides.
−a+3w+−3w=y+−3w
−a=−3w+y
Step 3: Divide both sides by -1.
(-a)/1=-(3w+y)/1
a=3w−y
if the first step of the equation -8 - 7x = -5x - 10 is " add 10" then what should be done next?
Answers
Answer:
Add 7x to each side
Step-by-step explanation:
-8 - 7x = -5x - 10
Add 10 to each side
-8 - 7x+10 = -5x - 10+10
2 -7x = -5x
Add 7x to each side
2-7x+7x = -5x+7x
2 = 2x
Answer: See below
Step-by-step explanation:
\(-8 - 7x = -5x - 10\)
I believe it is adding 8 on both sides
The next step after adding 8 on both sides is adding 5x on both sides
\(-7x=-5x-2\)
\(-7x+5x=-5x-2+5x\)
\(-2x=-2\)
x=1
John and his mother are trying to determine the dimensions of their new curtains. They know that the area of the fabric they have available is y^2-10y+25 square inches. Which of the following are possible dimensions of the curtains, in inches?
A.
(y – 1)(y – 10)
B.
(y – 25)(y – 1)
C.
(y – 5)(y – 5)
D.
(y + 5)(y – 5)
Answers
Answer:
the answer is C . (y-5)(y-5)
Step-by-step explanation:
i just did it in edge
Suppose that a researcher, using data on class size (CS) and average test scores from 100 third-grade classes, estimates the OLS regression Construct a 95% confidence interval for β 1 , the regression slope coefficient. The 95% confidence interval for β 1 , the regression slope coefficient, is । ). (Round your responses to two decimal places.) The t-statistic for the two-sided test of the null hypothesis H 0 :β 1 =0 is (Round your response to four decimal places.) Note: Assume a normal distribution. The p-value for the two-sided test of the null hypothesisH0 :β 1 =0 is (Round your response to four decimal places.) Do you reject the null hypothesis at the 1% level? A. Yes, because the p-value is less than 0.01. B. Yes, because the t statistic is greater than 2.58. C. Yes, because the t-statistic is less than 2.58. D. No, because the p-value is greater than 0.01. The p-value for the two-sided test of the null hypothesis H 0:β 1 =−5.9 is (Round your response to four decimal places.) Without doing any additional calculations, determine whether −5.9 is contained in the 95% confidence interval for β 1 . A. Yes, −5.9 is contained in the 95% confidence interval for β 1 . B. No, −5.9 is not contained in the 95% confidence interval for β 1 . The 99% confidence interval for β 0 is ( ). (Round your responses to one decimal place.)
Answers
The 95% confidence interval for β₁, the regression slope coefficient, is (0.12, 0.45). The t-statistic for the two-sided test of the null hypothesis H₀: β₁ = 0 is 3.58. The p-value for this test is 0.0012. Thus, we reject the null hypothesis at the 1% level.
The p-value for the two-sided test of the null hypothesis H₀: β₁ = -5.9 is less than 0.0001. Without doing any additional calculations, we can determine that -5.9 is not contained in the 95% confidence interval for β₁.
The 99% confidence interval for β₀ is (-0.7, 1.3).
To construct the confidence interval for β₁, the researcher uses OLS regression and calculates the standard error of the slope coefficient. With this information, the researcher finds the t-value associated with a 95% confidence level (which corresponds to a significance level of 0.05). Using the t-value and the standard error, the researcher constructs the confidence interval for β₁.
To test the null hypothesis H₀: β₁ = 0, the researcher calculates the t-statistic by dividing the estimated coefficient by its standard error. The t-statistic is compared to the critical value (2.58 for a two-sided test at a 1% level of significance). If the absolute value of the t-statistic is greater than the critical value, the null hypothesis is rejected.
The p-value is the probability of observing a t-statistic as extreme as the one calculated (or more extreme) under the assumption that the null hypothesis is true. If the p-value is less than the significance level (0.01 in this case), the null hypothesis is rejected.
In the second part of the question, the researcher considers a specific value for β₁ (-5.9) and checks if it falls within the 95% confidence interval. If the value is within the interval, we cannot reject the null hypothesis at the 5% significance level.
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what is 7/9 divided by 6/8
Answers
Answer: \(\frac{28}{27}\) or \(1\frac{1}{27}\)
Step-by-step explanation:
\(\frac{7}{9} /\frac{6}{8} = \frac{7}{9}(\frac{8}{6})\)
\(\frac{7}{9} (\frac{8}{6} ) = \frac{28}{27}\)
\(\frac{28}{27} = 1 \frac{1}{27}\)
pls help
An airplane is heading N60˚E with an airspeed of 500 miles per hour, the wind is blowing from a bearing of S15˚E at 75 miles per hour. Which of the following depicts the correct wind triangle for this airplane?
Answers
Answer:
it's c
Step-by-step explanation:
i got it right on edge
Answer:
CCCCCCCCCCCC
Step-by-step explanation:
just took
(5×100)+(6×110)+(7×1100)
What is this number in standard form?
Answers
(5×100)+(6×110)+(7×1100)=500+660+7700=8860
Solve the equation by completing the square.
2x^2+20x-63=3
Answers
The amunt of money that college students spend on rent each month is usually between $300 and $600. However, there are a few students who spend $1,300. What measure of spread would be most appropriate to measure the amount of money that college student spend on rent per month? Explain in detail why or why not one of the below measures would be used.
A. Median
B. Range
C. Standard Deviation
D. Inquartile Range
Answers
The range would be the most appropriate measure of spread in this case because it takes into account the extreme values of $300 and $1,300 and provides a clear measure of the difference between them.
To measure the amount of money college students spend on rent per month, the most appropriate measure of spread would be the range. The range is the simplest measure of spread and is calculated by subtracting the lowest value from the highest value in a data set. In this case, the range would be $1,300 - $300 = $1,000.
The median would not be the best choice in this scenario because it only represents the middle value in a data set. It does not take into account extreme values like the $1,300 rent expense.
Standard deviation would not be the most appropriate measure of spread in this case because it calculates the average deviation of each data point from the mean. However, it may not accurately represent the spread when extreme values like the $1,300 rent expense are present.
The interquartile range (IQR) would not be the best choice either because it measures the spread of the middle 50% of the data set. It does not consider extreme values and would not accurately represent the range of rent expenses in this scenario.
In summary, the range would be the most appropriate measure of spread in this case because it takes into account the extreme values of $300 and $1,300 and provides a clear measure of the difference between them.
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Hello everyone
Please need this
thank you
Answers
Answer:
a. x=9
b. PR = 59
Step-by-step explanation:
a. 11x-40 = 6x+5
11x-6x=5+40
5x=45
x=9
b. PR = 11(9) -40
= 99-40
= 59
when the original members of the Chess Club were joined by four new members. There were 28 members. Which equation represents this information? (let n = the original members)
Answers
Answer:
n+4=28
Step-by-step explanation:
Since n is the original members and 4 joined, n+4=28, the new members.
Quick! Please help me
Answers
Answer:
yay lol
Step-by-step explanation:
Answer:
(-3, -2) and (-3, 4). Hope that helped!
Step-by-step explanation:
Help will give brainliest
Using order of operations, which calculation should be done first to simplify this expression?
48 + 3 x (4 + 8) ÷ 4
4 + 8
4 + 8
48 + 3
48 + 3
8 ÷ 4
8 ÷ 4
3 x 4
Answers
Answer:
4+8
Step-by-step explanation:
oh and the answer to the whole equation is 153
In a math question, Magda correctly answered a question that asked for a typical measure of orange juice in a full family-size jug. Which was her answer
Answers
Magda said the typical measure of orange juice in a full family-size jug is 1 gal in value.
What is meant by mathematical expression?A finite collection of symbols that are properly created in line with context-dependent criteria is referred to as an expression, sometimes known as a mathematical expression. Operations include addition, subtraction, multiplication, and division.
The collection of mathematical symbols that emerges from the right arrangement of numbers is known as a mathematical expression and variables using operations like addition, subtraction, multiplication, division, exponentiation, and other as-yet-unlearned operations and functions.
The three different types of algebraic expressions are monomial, binomial, and polynomial.
The complete question is : In a math question, Magda correctly answered a question that asked for a typical measure of orange juice in a full family-size jug. Which was her answer?
a. 2 cups
b. 1 gal
c. 10 gal
d. 10 fl oz
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Translate the sentence into an equation. Twice the difference of a number and 6 is 2.
Answers
Step-by-step explanation:
2(x-2)=6, x-2=3, x=5.......................
A bakery sells chocolate cupcakes and vanilla cupcakes. It sold 143 chocolate cupcakes in a day. 35% of the cupcakes sold that day were vanilla. How many total cupcakes did the bakery sell that day?
Answers
Answer:220
Step-by-step explanation:
The party planning committee has to determine the number of tables needed for an upcoming event. If a square table can fit 8 people and a round table can fit 6 people, the equation 150 = 8x + 6y represents the number of each type of table needed for 150 people.
Answers
Answer:
answer in picture
Step-by-step explanation:
George believes the Art Club students at his school have an unfair advantage in being assigned to the art class they request. He asked 500 students at his school the following questions: "Are you in the Art Club?" and "Did you get the art class you requested?" The results are shown in the table below:
Art Club Not in Art Club Total
Received art class requested 100 265 365
Did not get art class requested 65 70 135
Total 165 335 500
Help George determine if all students at his school have an equal opportunity to get into the art class they requested. Show your work, and explain your process for determining the fairness of the class assignment process.
Answers
Answer: Not fair
Step-by-step explanation: Since the fractions and rations are unbelievably rigid, this question is no doubt going to the creaser side.
Students who are not already members of the art club have a better chance of receiving their preferred class assignment.
8. If k = log2 3 then log2 48 =
Answers
Answer:
16k
Step-by-step explanation:
k=3log2
k=(48\16) log2
16k= 48log2
16k=log2 48
Numbers can be expressed in logarithms.
The value of \(\mathbf{log_248}\) is \(\mathbf{k + 4}\)
The expressions are given as:
\(\mathbf{k = log_23}\)
\(\mathbf{log_248}\)
Express 48 as 3 * 16
\(\mathbf{log_248 = log_2(3 \times 16)}\)
Split
\(\mathbf{log_248 = log_2(3) + log_2(16)}\)
Express 16 as 2^4
\(\mathbf{log_248 = log_2(3) + log_2(2^4)}\)
Rewrite as:
\(\mathbf{log_248 = log_2(3) + 4log_22}\)
In logarithms:
\(\mathbf{log_aa = 1}\)
So, we have:
\(\mathbf{log_248 = log_2(3) + 4(1)}\)
\(\mathbf{log_248 = log_2(3) + 4}\)
Substitute \(\mathbf{k = log_23}\)
\(\mathbf{log_248 = k + 4}\)
Hence, the value of \(\mathbf{log_248}\) is \(\mathbf{k + 4}\)
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