The company should use the median to support their claims.
Which measure of average should the company use?Measures of average commonly used are mean and median.
Mean is the sum of the numbers divided by the total number
Mean : (5 + 6 + 6 + 6 + 7 + 8 + 8 + 8 + 8 + 11) / 10 = 7.3
Median is the number at the center of the dataset when it is arranged either in ascending or descending order.
Median = 8
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Which is the best definition of closure?
Number sets are closed under an operation when you perform the operation and the result is a number that is not a real number.
Number sets are closed under an operation when you perform the operation and the result is a member of the opposite number set.
Number sets are closed under an operation when you perform the operation and the result is a member of a related number set.
Number sets are closed under an operation when you perform the operation and the result is another member of the same number set
Answer:
Number sets are closed under an operation when you perform the operation and the result is another member of the same number set
Show all work pleaseee and thank you
Work is attached. Hope it helped!
What is the volatile acid/alkalinity relationship in a digester if the alkalinity is 2400 mg/L and the volatile acids are 90 mg/L?
The volatile acid/alkalinity relationship in a digester is volatile acid/alkalinity = 3/80
What is an equation?An equation is an expression that shows the relationship between two or more variables and numbers.
Ratio of volatile acid to alkalinity = 90 mg/L ÷ 2400 mg/L = 3/80
The volatile acid/alkalinity relationship in a digester is volatile acid/alkalinity = 3/80
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Write 32.5% as a fraction in simplest form.
Answer:
13/40
Step-by-step explanation:
Rewrite a percentage as a decimal: [tex]\frac{32.5}{100}[/tex]
Convert decimals to integers: [tex]\frac{325}{100}[/tex]
Reduce the fraction: [tex]\frac{13}{40}[/tex]
Answer: [tex]\frac{13}{40}[/tex]
32.5% as a fraction in simplest form is 13/40.
Here we have to find fractional form of 35 percent
Since we knw that,
A figure or ratio that may be stated as a fraction of 100 is a percentage. If we need to calculate a percentage of a number, we should divide it by its entirety and then multiply it by 100. The proportion therefore refers to a component per hundred. Per 100 is what the word percent means. The letter "%" stands for it.
To convert a percentage to a fraction,
we can simply write it as a fraction with a denominator of 100.
Then,
we simplify the resulting fraction to its simplest form.
For 32.5%,
we can write this as,
⇒ 32.5/100
Now, we can simplify this fraction by dividing both the numerator and denominator by their greatest common factor (GCF).
The GCF of 32.5 and 100 is 12.5,
so we can divide both by 12.5,
⇒ 32.5/100 = (32.5 ÷ 12.5) / (100 ÷ 12.5)
= 13/40
Therefore, 32.5% as a fraction in simplest form is 13/40.
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According to the graph, what is the value of the constant in the equation
below?
Height = Constant - Width
Answer:
B) 0.5
Step-by-step explanation:
The given formula is:
Height = Constant * Width
You may now choose any point on the graph (the horizontal line represents a point for width, and the vertical line represents a point for height) and put it into the specified formula. Let's test the two supplied points (2, 1):
Now, 2 is on the horizontal line, so we put it in for width, and 1 is on the vertical line, so we plug that in for height. When we do it, we get:
1 = C * 2
(In the expression above we need to solve for C, and we can do that by dividing both sides by 2)
C= 1/2 = 0.5
So, the answer is 0.5 or option B.
if the following data were transformed, and points with the coordinates (x, log) y)) were plotted, what points would be plotted? round log(y) to three decimal places.
x y
3 125
4 625
5 3125
A. (3, 2.097), (4, 2.796), (5, 3.495)
B. (2.097, 3), (2.796, 4), (3.495, 5)
C, (125, 2.097), (625, 2.796), (3125, 3.495)
D. (2.097, 125), (2.796, 625), (3.495, 3125)
Option A is accurate. The points were plotted with the coordinates (x, log) y), and they are (3, 2.097), (4, 2.796), and (5, 3.495).
What is the definition of a logarithm?
Exponents can also be written as logarithms. The other number is equal to a logarithm with a number base. It's the exact inverse of the exponent function.
Identity used;
[tex]\rm log_x (y) = z \\\\ z^x=y[/tex]
From the data we obtained;
[tex]\rm log_3(125) = 5 \\\\ 5^3 = 125[/tex]
[tex]\rm log_5 625 = 4 \\\\ 5^4 = 625[/tex]
[tex]\rm log_5 (3125) = 5 \\\\ 5^5 = 3125[/tex]
The points with the coordinates (x, log) y)) were plotted, the points are (3, 2.097), (4, 2.796), (5, 3.495)
Hence, option A is correct.
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Identify the binomial
Answer:
D.
Step-by-step explanation:
D. is the binomial since it has 2 terms.
A real estate agent is working for a developer who claims that the average commute time to downtown is 20 minutes with a standard deviation of 7 minutes. Stephon is an independent real estate agent and wants to check the times for his client. He took a random sample of 15 commute times and found an average of 26 minutes. He did hypothesis testing using a significance level of 5%. Which conclusion could he make?
The z-statistic is 0.22, so the null hypothesis should not be rejected.
The z-statistic is 1.69, so the null hypothesis should not be rejected.
The z-statistic is 3.32, so the null hypothesis should be rejected.
The z-statistic is 3.67, so the null hypothesis should be rejected.Tyesha found that the z-statistic was 2.1 and that the critical z-values were -1.96 and 1.96. Which of the following is a valid conclusion based on these results?
One can reject the null hypothesis.
One can reject the alternate hypothesis.
One can accept the null hypothesis.
One cannot accept or reject the null hypothesis.
The correct option is C which is The z-statistic is 3.32, so the null hypothesis should be rejected. One can reject the null hypothesis.
What is the null hypothesis?When there are two possibilities then we calculate the null hypothesis if the hypothesis is true hypothesis is accepted if it is
To conduct a hypothesis test for the above situation. We define the null hypothesis and the alternative hypothesis.
The null hypothesis is the claim that the average commute time to downtown is 20 minutes while the alternative hypothesis is a contradiction of the null hypothesis which is that the average commute time to downtown is not 20 minutes.
i.e. H0: μ = 20 and H1: μ ≠ 20.
The z-statistics is given by (sample mean - hypothesized mean) divided by (standard deviation divided by the square root of the sample size).
i.e.
[tex]z= \dfrac{x-\mu}{\dfrac{\sigma}{\sqrt{n}}}[/tex]
x = 26, [tex]\mu[/tex] = 20, [tex]\sigma[/tex] = 7 and n = 15 putting the values in the question we will get the z-score value.
[tex]z = \dfrac{26-20}{\dfrac{7}{\sqrt15}}[/tex]
z = 6 / 1.807
z = 3.32
Therefore, the z-statistic is 3.32, so the null hypothesis should be rejected. Because the calculated value of z (3.32) is greater than the table value of z (1.96).
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Tom changed the rotating speed of his cement mixer from 6 1/3 rpms to 10 rpms . By how many revolutions per minute did the speed of the mixer increase
Answer:
3 2/3
Step-by-step explanation:
10 rpms - 6 1/3 rpms = 3 2/3
y=-3x² + 12x - 12 has how many real roots?
A. 0
B. 1
C. cannot be determined
D. 2
The equation has 2 real roots
How to determine the number of real roots?The equation is given as:
[tex]y = 3x^2 + 12x - 12[/tex]
Calculate the determinant using
d = b^2 - 4ac
So, we have:
d = 12^2 - 4 * 3 * (-12)
Evaluate
d = 288
Because d > 0
i.e. 288 is greater than 0
Then it means that the equation has 2 real roots
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f(x)=-2x+4
find domain and range
Domain: All real numbers
Range: All real numbers
Since the function is linear it is a continuous straight line meaning that the domain and range are all real numbers.
Do the side lengths 4, 8, and 10 form a triangle? Select the correct answer and reasoning. Question 19 options: A) Yes, because the sum of any two side lengths is greater than the third side length. B) No, because the third side length is greater than the sum of the other two side lengths. C) Yes, because the sum of all three side lengths is greater than 20. D) No, because 4 + 8 is greater than 10.
Answer:
A) Yes, because the sum of any two side lengths is greater than the third side length.
Step-by-step explanation:
All triangles have a property that the sum of two side lengths is greater than the remaining side length.
4 + 8 = 12 > 10, making it a triangle
Flying the SR-71A jet, Capt. Elden W. Joersz, USAF, set a record speed of 2193.16 miles per hour. At this speed, the algebraic expression 2193.16t gives the total distance flown in t hours. Find the distance flown by the SR-71A in 1.7 hours.
Final answer:
The required distance is 3728.372 miles.
Step-by-step explanation:
Step 1
The distance flown is t hours given by:
2193.16t
Step 2
Let distance be represented by d, thus:
d = 2193.16t
Step 3
d = 2193.16t
Substitute t = 1.7 in the relation:
d = 2193.16 x 1.7
Step 4
Solve for d:
d = 2193.16 x 1.7
d = 3728,372
(a) Find x given that [tex]4^x=2[/tex]
(b) Let x = 1.1609... be the positive real number such that [tex]4^x=5[/tex]. Prove that x is irrational.
Answers:
(a) x = 0.5
(b) Given Below.
Explanation:
(a)
[tex]4^x = 2[/tex]
apply ln both sides
[tex]ln(4^x) = ln(2)[/tex]
simplify
[tex]xln(4) = ln(2)[/tex]
divide both sides by ln(4)
[tex]x = 0.5[/tex]
(b)
Recall that rational numbers can be expressed in fractions a/b
[tex]4^x = 5[/tex]
apply ln on both sides
[tex]ln( 4^x) = ln(5)[/tex]
simplify
[tex]xln( 4) = ln(5)[/tex]
divide both sides by ln(4)
[tex]x =\frac{ ln(5)}{ln(4)}[/tex]
simplify
[tex]x =1.160964047...[/tex] The value is endless and continues.
The following cannot be expressed as a fraction or whole number.
Hence, the following value of x is irrational.
15) Complete.
Purchase Price: $450
Finance Charge: $82,50
Down Payment: $150
Number of Payments: 18
Monthly Payment:
O a.) $22.15
Ob.) $20.45
Oc.) $21.25
Od.) $22.25
Answer:
d is correct answer
Write an equation for the nth term of the arithmetic sequence 8, 3, -2, -7,... Find the 9th term of the sequence.
Step-by-step explanation:
1) the difference betwee the terms given is 3-8=-2-3= -5, then
2) for n-th term: aₙ=8-5(n-1);
3) for the 9-th term: a₉=8-5*8=-32.
What are all values of x that satisfy 4x-1 < 6x+9
The values of x that makes the inequality true are all values less than -5
Inequality expressionsGiven the inequalities below expressed as;
4x-1 < 6x+9
Collect the like terms
4x-6x < 9+1
-2x < 10
x <-10/2
x < -5Hence the values of x that makes the inequality true are all values less than -5
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7(x + 1) -2 =5 (x + 1) +2
Answer:
x = 1
Step-by-step explanation:
Simplifying
7(x + 1) + -2 = 5(x + 1) + 2
Reorder the terms:
7(1 + x) + -2 = 5(x + 1) + 2
(1 * 7 + x * 7) + -2 = 5(x + 1) + 2
(7 + 7x) + -2 = 5(x + 1) + 2
Reorder the terms:
7 + -2 + 7x = 5(x + 1) + 2
Combine like terms: 7 + -2 = 5
5 + 7x = 5(x + 1) + 2
Reorder the terms:
5 + 7x = 5(1 + x) + 2
5 + 7x = (1 * 5 + x * 5) + 2
5 + 7x = (5 + 5x) + 2
Reorder the terms:
5 + 7x = 5 + 2 + 5x
Combine like terms: 5 + 2 = 7
5 + 7x = 7 + 5x
Solving
5 + 7x = 7 + 5x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-5x' to each side of the equation.
5 + 7x + -5x = 7 + 5x + -5x
Combine like terms: 7x + -5x = 2x
5 + 2x = 7 + 5x + -5x
Combine like terms: 5x + -5x = 0
5 + 2x = 7 + 0
5 + 2x = 7
Add '-5' to each side of the equation.
5 + -5 + 2x = 7 + -5
Combine like terms: 5 + -5 = 0
0 + 2x = 7 + -5
2x = 7 + -5
Combine like terms: 7 + -5 = 2
2x = 2
Divide each side by '2'.
x = 1
Simplifying
x = 1
Answer:
Hello! The answer is x = 1.
Step-by-step explanation:
To solve this equation, we need to find x.
The first step in approaching this problem would be to use the distributive property:
7(x + 1) - 2 = 5(x + 1) + 2 will turn into:
7x + 7 - 2 = 5x + 5 + 2
Now, you can combine like terms on each side of the equation:
7x + 5 = 5x + 7
Now, you want to get the x's on one side and the whole numbers on the other side. In order to do this, we will subtract 5 from both sides and subtract 5x from both sides:
7x + 5 = 5x + 7
-5x -5 -5x -5
This will leave us with:
2x = 2
We will have to now divide both sides by 2 to get x by itself:
2x = 2
-- --
2 2
This leaves us with the result: x = 1
Y is inversely proportional to the square root of x. If Y = 5 when x = 36, find Y, when x is 16. For full credit: 1. Write a proportion. 2. Solve for y. 3. Show work.
Answer: y=7.5
Step-by-step explanation:
Given
y∝(1/√x)
this implies that
y=k/√x eq(*)
when y=5 and x=36 then
5=k/√36
5=k/6
30=k eq(1)
to find y when x is 16
put values in eq(*)
y=30/√16
y=30/4
y=7.5
The table shows the names of four company owners. One of them funded a
study showing that company A has the longest-lasting products. Funding by
which owner would make you skeptical of the results?
Company
Company A
Company B
Company C
Company D
A. Elsa Juarez
B. Xander McCoy
C. Joel Mabaso
D. Francesca Xi
Owner of company
Francesca Xi
Xander McCoy
Elsa Juarez
Joel Mabaso
The owner funding that would make you skeptical of the results is: D. Francesca Xi.
The owner funding that would make you skeptical of the resultsCompany A funded the study which will attract potential customer to the company product as the company product will be more attractive to customers after the study.
Hence, since company A which is Francesca Xi has the longest-lasting products, he will be the business owner funding that would make you skeptical of the results .
Therefore the correct option is D.
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Simplify the expression. What classification describes the resulting polynomial? (3x^2-11x-4)-(2x^2-x-6)
The expression can be simplified to a polynomial of degree 2.
[tex]x^2 - 10x + 2[/tex]
How to simplify the expression?
Here we have the expression:
[tex](3x^2 -11x - 4) - (2x^2 - x - 6)[/tex]
We can directly simplify this by taking the variable as common factor:
[tex](3 - 2)*x^2 + (-11 + 1)*x + (-4 + 6)\\\\x^2 - 10x + 2[/tex]
This is a polynomial, as you can see, the maximum exponent is 2, so the degree of the polynomial is 2.
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The mean of the Normal distribution determines the ___________ of the distribution. Please complete the sentence by selecting one of the word below:
A) location
B) percentage
C)Spread
D) proportion
Step-by-step explanation:
location
of the distribution.
Kurt has $9,000 in an account. The interest rate is 5% compounded annually. To the nearest cent, how much will he have in 1 year? Kurt has $ 9,000 in an account . The interest rate is 5 % compounded annually . To the nearest cent , how much will he have in 1 year ?
Answer:
$9450
Step-by-step explanation:
Answer:
A = $9,450.00
A = P + I where
P (principal) = $9,000.00
I (interest) = $450.00
Calculation Steps:
First, convert R as a percent to r as a decimal
r = R/100
r = 5/100
r = 0.05 rate per year,
Then solve the equation for A
A = P(1 + r/n)nt
A = 9,000.00(1 + 0.05/1)(1)(1)
A = 9,000.00(1 + 0.05)(1)
A = $9,450.00
Summary:
The total amount accrued, principal plus interest, with compound interest on a principal of $9,000.00 at a rate of 5% per year compounded 1 times per year over 1 years is $9,450.00.
X=11 Give the equation of the line parallel which passes through (9,5)
Step-by-step explanation:
x = 11
is a vertical line going through x = 11.
a parallel line going through (9,5) has to be a vertical line too and use x = 9.
so, that is the equation :
x = 9.
i need help with this could you please help me
Answer:
it is A
Step-by-step explanation:
Solve for x.
2x² = x+6
If there is more than one solution, separate them with commas. If there is no solution, click on “No Solution.”
Answer:
no solution
Step-by-step explanation:
2x²+ x + 6 = 0
Use quadratic formula
x = (-b±√(b²-4ac))/2a
x = (-1±√(1²-4(2)(6)))/2(2)
x = (-1±√(-47))/2(2)
What is the asset turnover?
Answer:
the ratio of total sales or revenue to average assets
Step-by-step explanation:
djjcjdm.x....
Answer:
Days of Asset Turnover The Enterprise Accounting System specifies that the net revenue from main business of an enterprise should be the amount of revenue from main business after deducting sales discounts and sales discounts, which is called net revenue from main business. Total asset turnover ratio = total sales revenue / average total assets x 100%.
Step-by-step explanation:
to search
O
02/
Active
O
1
What is the value of the expression "three less than the quotient of ten and a number, increased by six" when n = 2?
2
-7/4
8
19/12
The value of the expression given the information about the quotient is 8.
How to calculate the value?From the information given, the equation will be:
= (10/n - 3) + 6
where n = 2
(10/2 - 3) + 6
= (5 - 3) + 6
= 2 + 6
= 8
In conclusion, the correct option is 8.
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What is 1/4+1/6=
Please help me I’ll make the first person Brainiest
Answer:
[tex]\dfrac{5}{12}[/tex]
Explanation:
[tex]\dfrac{1}{4} + \dfrac{1}{6}[/tex]
The least common multiple of 4 and 6 is 12
So, make the denominator's same
[tex]\dfrac{3(1)}{12} + \dfrac{2(1)}{12}[/tex]
multiply numbers
[tex]\dfrac{3}{12} + \dfrac{2}{12}[/tex]
Join both fractions
[tex]\dfrac{3+ 2}{12}[/tex]
simplify following
[tex]\dfrac{5}{12}[/tex]
A wall of a building is 30 inches wide. 14 inches is concrete,10 inches is brick, and 6 inches is like stone. What fraction of the wall is concrete
Answer:
46.67 %
Step-by-step explanation:
Total thickness = 30
14 of this is concrete 14/30 x 100% = 46.67 %