Answer:
She walked 5 miles
Step-by-step explanation:
Student Council sells soft drinks at basketball games and makes $ 1.50 from each. If they pay $ 75 to rent the concession stand, how many soft drinks would they have to sell to make $ 250 profit?
F. 116
G. 117
H. 167
J. 217
Answer: 166 Soft Drinks
Step-by-step explanation:
250 ÷ 1.50 = 166
What are the solutions of the equation 6x^2-x-1=0
Answer:
x=1/2 or x=-1/3
Step-by-step explanation:
6x^2-x-1=0
6x^2+2x-3x-1=0
(6x^2+2x)+(-3x-1)=0
2x(3x+1)-1(3x+1)=0
2x(3x+1)-1(3x+1)=0
(2x-1)(3x+1)=0
(2x-1)(3x+1)=0
2x-1=0
or
3x+1=0
x=-1/3
x=1/2
Answer:
Its 1/3 and -1/2
Step-by-step explanation:
a hash is a function that converts an input of letters and numbers into an encrypted output of a fixed length.
A hash is a type of function that converts an input of letters and numbers into an encrypted output of a fixed length.
Hashing is a mechanism for transforming one input (or 'key') into another that is more condensed and used in various security applications, such as digital signatures and passwords. In terms of cybersecurity, it is a crucial component, particularly for the storage of passwords.
The hashing algorithm computes the hash value, which is a fixed-length string of digits, for the given input. This hash value serves as a digital fingerprint of the input.
Hashing has the following benefits:
Protection of passwords: To store passwords, organizations can hash them, preventing attackers from obtaining them and utilizing them in password-based attacks.
Efficient searching: Because hash values are fixed-length strings of digits, they may be rapidly compared and looked up.
Cryptographic signature: The hash value serves as a signature, ensuring that the message has not been tampered with and is authentic.
Caching: A hash value can be used to cache data, improving application performance.
Complete Question :
What is a function that converts an input of letters and numbers into an encrypted output of a fixed length?
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What is the answer to this question
Answer:
\(\sqrt[]{1}= 1\\\sqrt[]{169}= 13\\\sqrt{400}=20\)
Step-by-step explanation:
If you have to show work i am sorry but i got the answers all on a calculator
simplify the following expressions ( combine like-terms )
Answer:
x + 2y
Step-by-step explanation:
Step 1: Write expression
-3x + 2y + 5x - x
Step 2: Combine like terms (x)
2x + 2y - x
x + 2y
Andre poured 27 ounces of rice into 6 containers. If all containers have the same amount of rice, how many ounces are in each container?
Consider a separation performed on a 35.0 mm long open tubular column with a 0.50 mm diameter, and a 2.0 μm thick stationary phase. Compound A eluted at 12.46 min, compound B eluted at 13.12 min, and the unretained solvent eluted at 1.265 min. What are the adjusted retention times, tr\', and retention factors, k, for compounds A and B?
What is the relative retention, alphar, for this separation?
The width at half-height, w1/2, of the peak for compounds A and B are 0.141 min and 0.272 min, respectively. Find the number of theoretical plates, N, and plate height, H, for each compound.
Relative retention (α ) is 1.06
What is relative retention ( α)?This factor gives an idea as to how far two compounds can be separated by a given stationary phase. For any two compounds 1 and 2, the relative retention, α is the ratio of their adjusted retention times. Hence, α= t'R2 / t'R1 . relative retention ( α) has to be always more than 1.
For A,
Retention (\(t_r_A\)) = 12.46
Time
Baseline peak width (W) = 0.141
Number of theoretical plates, N(A) = 16 (\(t_r\)/w)²
= 16(12.46/0.141)²
= 124,944.7
For B,
Retention Time (\(t_r_B\)) = 13.12
Baseline peak width (w) = 0.272
Number theoretical plates, N(B) = 16 (\(t_r\)/w)²
= 16 (13.12/0.272)²
= 37,226.3
\(\textup{Adjusted retention time,} t_R_'=t_R-t_m\)
\(\textup{Retention factor,} k=\frac{t_R_'}{t_m}\)
For A
\(t_R\)' = (12.46 min) - (1.265min) = 11.195 min
Retention factor = 11.95/1.265 = 8.85
For B
\(t_R\)' = (13.12 min) - (1.265 min) = 11.855
Retention Factor = 11,855/ 1,265 = 9.37
\(\textup{Relative Retention }, \alpha =\frac{t_R_'(B)}{t_R_'(A)}\)
\(=\frac{9.37}{8.85} = 1.06\)
Hence, relative retention (α) is 1.06
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Write and test a conjecture about the quotient of a negative number and a positive number. Give at least two examples when testing the conjecture. Someone please help... it will be greatly appreciated.
Answer:A negative number divided by a positive number is always negative
Step-by-step explanation:
What is the smallest perfect square that can be written as the sum of three different prime numbers?
Answer:
19 is the smallest prime number that is the sum of three different prime number.
Step-by-step explanation:
To find this:
2 is the only even prime number and other prime numbers are odd
adding any two prime number always gives even number.
so the least numbers that are required to do is 3,5 and 7; their sum is 15
so any prine number less than 15 is not possible for this question
so, the next prime number is 17
17 minus any other prime no less 17 are13,11,7.5.3,2 give the number that 4,6,10,12,14,15 which are not sum of any two different prime numbers
so the answer is 19=11+5+3.
The smallest perfect square that can be written as the sum of 3 different prime numbers is; 16.
Prime numbers are numbers that can be divided by only themselves and 1.Now, we want to find the smallest perfect square that can be written as the sum of three prime numbers and so let us list the perfect squares from 1 to 30.
They are; 4, 9, 16, 25.
Now, for 4; sum of 3 different prime numbers cannot work here because it will give us 1 + 2 + 3 = 5.For 9; sum of 3 different prime numbers cannot work here because it will give us 2 + 3 + 5 = 10.For 16; sum of 3 different prime numbers will work here because it will give us 2 + 3 + 11 = 16Thus, the smallest perfect square that can be written as the sum of 3 different prime numbers is 16.Read more at; https://brainly.in/question/17539113
Which choices are equivalent to the expression below? Check all that apply.
4 square root 6
Answer:
B
C
E
Step-by-step explanation:
All of them are equivalent to the expression, they all have a decimal of 9.79..
The radical expressions that are equivalent to √96 are:
B. √32 × √3
C. √16 × √6
E. √96
Simplifying Radical ExpressionsRadicals have square root.To simplify, ensure the radicals cannot be further squared.Thus, given:
4√6
It can be expressed as: √(16 × 6) = √96.
The following radical expressions are equivalent to √96:
√32 × √3 = √(32 × 3) = √96
√16 × √6 = √(16 × 6) = √96
√96
Therefore, the radical expressions that are equivalent to √96 are:
B. √32 × √3
C. √16 × √6
E. √96
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If £1 = US$1.11316 and A$1 = US$0.8558, how many British pounds will you get for one Australian dollar?
=£
Round to two decimal places
The correct answer is you will get approximately £1.30 for one Australian dollar.
To find out how many British pounds you will get for one Australian dollar, we need to determine the exchange rate between the British pound and the Australian dollar.
Given that £1 = US$1.11316 and A$1 = US$0.8558, we can calculate the exchange rate between the British pound and the Australian dollar as follows:
£1 / (US$1.11316) = A$1 / (US$0.8558)
To find the value of £1 in Australian dollars, we can rearrange the equation:
£1 = (A$1 / (US$0.8558)) * (US$1.11316)
Calculating this expression, we get:
£1 ≈ (1 / 0.8558) * 1.11316 ≈ 1.2992
Therefore, you will get approximately £1.30 for one Australian dollar.
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evaluate each expression for x=3 and y=2
x+7
8-y
Step-by-step explanation:
1)x+7
3+7102)8-y
8-26hope it helps.stay safe healthy and happy...I also need to put why
Answer:
i think it is 90
Step-by-step explanation:
pat bought 5.5 pounds of grapes for a party he spent $6.60. how much did he pay per pound
The test scores for the verbal reasoning and the quantitative reasoning sections of the Graduate Record Examination (GRE) are normally distributed. In a recent year, the mean test score was 150 and the standard deviation was 8.75.
The test score for Student A was 162.
The test score for Student B was 168.
The test score for Student C was 155.
The test score for Student D was 138.
What is the z-score for each student and are any of the students scores considered statistically unusual? If so, explain your reasoning. Be sure to label your z-score with each student's letter.
Jorge recorded the scorers of 120 goals.
He started to draw a pie chart to show the results.
Simon
How many goals did Simon score? Please can you answer ASAP.
let x be normally distributed with mean μ = 2,500 and standard deviation σ = 800
a. Find x such that P(X ≤ x) = 0.9382. (Round "z" value to 2 decimal places, and final answer to the nearest whole number.)x
b. Find x such that P(X > x) = 0.025. (Round "z" value to 2 decimal places, and final answer to the nearest whole number.) x
c. Find x such that P(2500 ≤ X ≤ x) = 0.1217. (Round "z" value to 2 decimal places, and final answer to the nearest whole number.)
d. Find x such that P(X ≤ x) = 0.4840. (Round "z" value to 2 decimal places, and final answer to the nearest whole number.) x
Rounding to the nearest whole number, we get x = 2524.
a. Using the standard normal distribution table, we can find the corresponding z-score for the given probability:
P(X ≤ x) = P((X-μ)/σ ≤ (x-μ)/σ) = P(Z ≤ (x-μ)/σ) = 0.9382
From the standard normal distribution table, the closest probability to 0.9382 is 0.9382, which corresponds to a z-score of 1.56. Therefore:
(x - μ) / σ = 1.56
Substituting in the given values for μ and σ, we get:
(x - 2500) / 800 = 1.56
Solving for x, we get:
x = 2500 + 1.56 * 800 = 2728
Rounding to the nearest whole number, we get x = 2728.
b. Again, using the standard normal distribution table, we can find the corresponding z-score for the given probability:
P(X > x) = P((X-μ)/σ > (x-μ)/σ) = P(Z > (x-μ)/σ) = 0.025
From the standard normal distribution table, the closest probability to 0.025 is 0.0249979, which corresponds to a z-score of -1.96. Therefore:
(x - μ) / σ = -1.96
Substituting in the given values for μ and σ, we get:
(x - 2500) / 800 = -1.96
Solving for x, we get:
x = 2500 - 1.96 * 800 = 1144
Rounding to the nearest whole number, we get x = 1144.
c. We can use the same approach as in part (a), but this time we need to find the z-score for the probability between two values:
P(2500 ≤ X ≤ x) = P((X-μ)/σ ≤ (x-μ)/σ) - P((X-μ)/σ ≤ (2500-μ)/σ) = P(Z ≤ (x-μ)/σ) - P(Z ≤ -0.63) = 0.1217
From the standard normal distribution table, the closest probability to 0.1217 is 0.1217, which corresponds to a z-score of 1.17. Therefore:
(x - μ) / σ = 1.17
Substituting in the given values for μ and σ, we get:
(x - 2500) / 800 = 1.17
Solving for x, we get:
x = 2500 + 1.17 * 800 = 3056
Rounding to the nearest whole number, we get x = 3056.
d. We can use the same approach as in part (a):
P(X ≤ x) = P((X-μ)/σ ≤ (x-μ)/σ) = P(Z ≤ (x-μ)/σ) = 0.4840
From the standard normal distribution table, the closest probability to 0.4840 is 0.4838, which corresponds to a z-score of 0.03. Therefore:
(x - μ) / σ = 0.03
Substituting in the given values for μ and σ, we get:
(x - 2500) / 800 = 0.03
Solving for x, we get:
x = 2500 + 0.03 * 800 = 2524
Rounding to the nearest whole number, we get x = 2524.
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-9 times the total of a number and 3
Let the number be x
Then -9 times the total of a number and 3 will be
= -9 (x + 3)
The answer is Negative 12.
What is AC?
A √162 = 12.7
B√98 = 9.9
C√117 ≈ 10.8
D√72 = 8.5
The most appropriate choice for distance formula will be given by Length of AC = \(\sqrt{72} = 8.5 units\)
What is distance?
Distance is a measurement of how far apart two objects or points are, either numerically or occasionally qualitatively. Distance can refer to a physical length in physics or to an estimate based on other factors in everyday language (e.g. "two counties over").
What is distance formula?
Distance formula is used to find the distance between two points.
Let A and B be two points with coordinate \((x_1, y_1)\) and \((x_2, y_2)\) respectively
Distance between A and B = \(\sqrt{(x_2 - x_1)^2 + (y_2 - y_1)^2\)
Here,
Coordinate of A = (1, 1)
Coordinate of E = (4, 4)
Coordinate of C = (7, 7)
Length of AE =
\(\sqrt{(4-1)^2 + (4-1)^2}\\\sqrt{9 + 9}\\\sqrt{18}\\3\sqrt{2} units\)
Length of EC =
\(\sqrt{(7-4)^2 + (7-4)^2}\\\sqrt{9 + 9}\\\sqrt{18}\\3\sqrt{2} units\)
Length of AC = Length of AE + Length of EC
= \(3\sqrt{2} + 3\sqrt{2} = 6\sqrt{2} units\) =\(\sqrt{72} units = 8.5 units\)
Fourth option is correct
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Put the equations into number from
1. “A number greater then or equal to -3”
2.”a speed limit of 65 mph”
3.”a number no less than 25”
4.”one third of a number is 12 less than the number itself”
5.”one less than the product of a number and 3 is 5 more than the number itself”
6.”two times the sum of number and 5 is 20”
Answer:
1. n>=-3
2. s<=65
3. n>=25
4. n/3=n-12
5. 3n-1=n+5
6. 2(n+5)=20
Step-by-step explanation:
What is the side length of the square garden with an area of 4w^2?
Answer:
2w
Step-by-step explanation:
The area of a square is given by a formula; A = a²
Substitute the A with the area 4w² and solve for the side length (a).
a = 2w
Adi bought a bag for $25 and sold it at a loss of 10%. Find the selling price of the bag.
Answer:
The selling price of the bag is $22.5
Step-by-step explanation:
Buying Price = $25,
Selling Price = ?
Since they sold it at a loss of 10%,
So, they sold it for a price 10% less than the buying price,
or at 90% or 0.9 of the buying price,
so,
Selling Price = (0.9)(25) = $22.5
.In order to increase the value of the F statistic, which of the following must occur?
a. MSwithin > MSbetween
b. MSwithin = MSbetween
c. MSwithin < MSbetween
d. Ratio = 1
If MSwithin is smaller than MSbetween, then increasing MSwithin and/or decreasing MSbetween will lead to an increase in the F statistic.
How the F statistic is calculated?The F statistic is calculated by dividing the variance between groups (MSbetween) by the variance within groups (MSwithin). Therefore, to increase the value of the F statistic, either the numerator (MSbetween) needs to increase, or the denominator (MSwithin) needs to decrease.
So, the answer is:
a. MSwithin > MSbetween
If the variance within groups (MSwithin) is reduced or the variance between groups (MSbetween) is increased, the F statistic will increase. Therefore, if MSwithin is smaller than MSbetween, then increasing MSwithin and/or decreasing MSbetween will lead to an increase in the F statistic.
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there are eight empty seats in a theater, and five customers need to find places to sit. how many different ways can these five seat themselves?
Therefore, there are 56 different ways for the five customers to seat themselves in the theater using combination.
This is a combination problem, since the order of the seats does not matter. We can use the formula for combinations:
C(n,r) = n! / (r!(n-r)!)
where n is the total number of items and r is the number of items to be selected.
In this case, n = 8 (the number of seats) and r = 5 (the number of customers), so we have:
C(8,5) = 8! / (5!(8-5)!) = 56
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Multiplying by a positive number will give a positive product. TrueFalse
Answer:
true
Step-by-step explanation:
What is a disadvantage of debt consolidation?
OA. You can have payments that are lower.
B. You can spread payments over a longer time.
о C. You can have a lower interest rate.
о D. You can pay more money in the long term.
A disadvantage of debt consolidation is you can pay more money in the long term.
What is debt consolidation?
Debt consolidation is when a person takes out a new loan in order to pay off an existing loan. Debt consolidation increases the money you pay in the long term because you would still have to pay for the new debt incurred.
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Identify the range of the function y=-3x+6 when the domain is {-1,2,4}
A. {-6,0,9}
B. {-9}
C. {3,-12,-18}
D. {-3,12}
E. {-6,9}
When the domain is {-1,2,4} , the range of the function y =-3x+6 is {-6,0,9}
Given,
The function y= -3x+6
The domain of the function is the complete set of all possible input for the function.
The domain = {-1,2,4}
The range of the function is the complete set of all possible output for the function.
Substitute the values in the function
f(-1)= -3×-1+6
=3+6
= 9
f(2)= -3×2+6
=-6+6
= 0
f(4)= -3×4+6
=-12+6
=-6
So, -6,0 and 9 the possible output of the function y= -3x+6
The range of the function y= -3x+6 is {-6,0,9}
Hence, When the domain is {-1,2,4} , the range of the function y =-3x+6 is {-6,0,9}
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Write down a number which is •a multiple of 4. •a factor of 400. •not 4 or 400
Answer:
200
Step-by-step explanation:
4 multiplied by 50 = 200
400 divided by 200 = 2
so it is both a factor of 400, a multiple of 4, and it's neither 4 nor 400 :)
Geometry question. Pls answer it before 2:00
The measures of x for the similar triangles are given as follows:7
11. x = 5.
12. x = 13.
13. x = 7.
14. x = 8.
How to obtain x using the similar triangles?For similar triangles, the equivalent side lengths are proportional, hence proportional equations are built to find the measures of x.
For item 11, the equation is given as follows:
44/55 = 48/(13x - 5)
4/5 = 48/(13x - 5)
Applying cross multiplication:
4(13x - 5) = 48 x 5
52x = 260
x = 260/52
x = 5.
For item 12, the equation is given as follows:
30/(5x - 11) = 65/117
65(5x - 11) = 30 x 117
325x = 4225
x = 4225/325
x = 13.
For item 13, the equation is given as follows:
65/169 = (7x + 1)/130
169(7x + 1) = 130 x 65
1183x = 8281
x = 8281/1183
x = 7.
For item 14, the equation is given as follows:
21/35 = (4x - 2)/50
3/5 = (4x - 2)/50
20x - 10 = 150
20x = 160
x = 160/20
x = 8.
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What does it mean to solve a quadratic equation? What are two other vocabulary words for a solution to a quadratic?
To solve a quadratic equation means to determine the values of x that are solution to such equation.
In the case of a quadratic equation you have two solutions for x.
Other two words for a solution of a quadratic equation, are roots and zeros of the equation.