Answer:
Let's break down the information we have:
1. Sam has three 2-digit numbers: let's call them A, B, and C in the order.
2. Two of them are perfect squares of prime numbers, let's assume these are A and C.
3. The middle number B is the sum of those two prime numbers.
Let's start with the prime numbers. We're looking for two prime numbers whose squares are two-digit numbers and whose sum is also a two-digit number.
The 2-digit perfect squares of prime numbers are: 4 (2^2), 9 (3^2), 25 (5^2), and 49 (7^2).
Given that the middle number is the sum of the two prime numbers, we can immediately rule out 7^2 (49) since adding 7 to any of the other available primes would result in a 3-digit number.
So let's see the remaining possible combinations:
2^2 (4) and 3^2 (9) --> Sum of the primes is 5, which is a single digit number.
2^2 (4) and 5^2 (25) --> Sum of the primes is 7, which is a single digit number.
3^2 (9) and 5^2 (25) --> Sum of the primes is 8, which is a single digit number.
There's no way to get a 2-digit middle number from these combinations, which seems to be a contradiction.
It is likely that the problem contains a mistake or misunderstanding. The conditions as stated do not appear to allow for a solution. Can you check the problem again?
A computer and printer cost a total of $954. The cost of the computer is two times the cost of the printer. Find the cost of each item.
An company charges an initial fee of $350, plus $50 for each additional service added.
Which function can be used to find y, the total amount a customer would pay after n services were added.
Answer:
Y=250+50n
Step-by-step explanation:
Well since y in this case is total cost that is basically (f) the function range.
The domain in this case is the 250 one time fee and the 50 buks per services.
How many different 7-place license plates are possible if the first 2 places are for letters and the other 5 for numbers probability?
The total number of possible 7-place license plates are 67600000.
Given: A 7-plate license plate. 2 places are for letters and 5 places are for numbers. To find how many different 7-plate license plates are possible
Let's solve the given problem:
The license plate has 7 places. 2 places are for letters and the remaining 5 places are for numbers.
Combination of letters: As there are no restrictions given in the question, so the first letter can be any alphabet out of the 26 alphabets (A, B, C, D, ......... Z). So the first place for the letter can be filled in ²⁶C₁ ways that are 26 ways. Also for the second place, as the letters can repeat so it can be filled in ²⁶C₁ ways too which are 26 ways. Therefore, the possible ways in which the place for two letters can be filled is 26 × 26 ways = 676 ways.Combination of numbers: As there are no restrictions given in the question so the first number can be any of the numbers out of the 10 numbers (10, 1, 2, 3, ....... 9). So the first number can be filled in ¹⁰C₁ = 10 ways. Similarly, as the numbers can repeat so the 2nd, 3rd, 4th and 5th numbers can be filled in ¹⁰C₁ ways that all the other places can be filled in 10 ways each. Therefore the total number of ways in which the place for 5 numbers can be filled is 10 × 10 × 10 × 10 × 10 ways = 100000 ways.Therefore, the total number of ways in which the 7-place license plate can fill are: Total possible ways in which the two letters can be filled × Total possible ways in which the 5 number places can be filled
= 676 × 100000
= 67600000 ways
Hence the total number of possible 7-place license plates are 67600000.
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GUYS CAAN SOMEONE PLEASE HELP ME!!!
ASAP ILL GIVE POINTS AND BRAINLIST
Answer:
$4,541.74.
Step-by-step explanation:
The total amount accrued, principal plus interest, with compound interest on a principal of $2,500.00 at a rate of 12% per year compounded 12 times per year over 5 years is $4,541.74.
Find the equation of the line specified.
The slope is -4, and it passes through (5,8).
a. y = 4x + 8
b. y = -4x + 28
c. y = -4x - 12
d. y = -8x + 28
Answer:
B) y=-4x+28
Step-by-step explanation:
y-y1=m(x-x1)
y-8=-4(x-5)
y=-4x+20+8
y=-4x+28
Find the value of m that gives you no real solution
Answer:
Divide each term by
2
x
+
3
and simplify.
m
=
2
(
5
x
+
1
)
2
x
+
3
someone help as soon as possible pls
Answer:
Check the explanation below please! :)
Step-by-step explanation:
"It is provided that the students has to select new colors for the hats and the pants of the marching band uniforms.
The color options for each item are: yellow (Y), green (G), or black (B).
The sample space for the color selection of hats and pants is:
Sample Space
Hats Pants
Y Y
Y G
Y B
G Y
G G
G B
B Y
B G
B B
There are a total of 9 possible selections."
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Which number line shows the solutions to n > -2?
++++
+
-6-5-4-3-2-1 0 1 2 3 4 5 6
←++++
H
-6-5-4-3 -2 -1 0 1 2 3 4 5 6
+++
++++++
-6-5-4-3-2-1 0 1 2 3 4 5 6
+++++
-6-5-4-3-2-1 0 1 2
3 14 5 6
Done -
2
Answer the statistical measures and create a box and whiskers plot for the following
set of data.
3,6,6,9, 10, 12, 13, 14, 14
Min:
Q1:
Med:
03:
Max:
Identify the statement as true or false.
As the size of the random sample increases, the sample distribution more closely represents the population distribution.
in a correlational study on the relationship between caffeine consumption and heart disease in police officers, the fact that the officers could not be randomly assigned to high and low caffeine groups suggests the results may be due to:
Confounding variables can affect the relationship between caffeine consumption and heart disease in a correlational study of police officers. Controlling for these variables is necessary to accurately assess the relationship.
The fact that the officers in the study could not be randomly assigned to high and low caffeine groups suggests that the results of the study may be due to confounding variables. A confounding variable is a third variable that is correlated with both the independent variable (in this case, caffeine consumption) and the dependent variable (in this case, heart disease). If a confounding variable is present, it can make it difficult to determine the true relationship between the independent and dependent variables.
For example, if the officers who consume more caffeine also have other unhealthy habits (such as smoking or eating unhealthy diets) that increase their risk of heart disease, it may be difficult to determine the true effect of caffeine on heart disease. In this case, the unhealthy habits would be the confounding variable, and controlling for these variables would be necessary to accurately assess the relationship between caffeine consumption and heart disease.
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A savings account earns 8% interest each year, compounded quarterly (4 times a year). If a person invests $100 and makes no further deposits or withdrawals, what is the balance in the account after 3 years?
Answer:
251.817012
Step-by-step explanation:
1. Write out equation to get 100(1.08)^n*4
2. Use 3 for n
3. Simplify to get 100(1.08)^12
4. Solve to get 251.817012
risa loaned Abi $50 for a month. She charged 5% weekly simple interest for the month. How much did Abi have to pay Risa?
since the rate is a weekly basis, the period will also be in a weekly basis, so t = 4, assuming a month to be 4 weeks.
\(~~~~~~ \textit{Simple Interest Earned Amount} \\\\ A=P(1+rt)\qquad \begin{cases} A=\textit{accumulated amount}\\ P=\textit{original amount deposited}\dotfill & \$50\\ r=rate\to 5\%\to \frac{5}{100}\dotfill &0.05\\ t=weeks\dotfill &4 \end{cases} \\\\\\ A=50[1+(0.05)(4)]\implies A=50(1.2)\implies A=60\)
the perimeter of a rectangular tray is 60in the length of the tray is double the width of a tray determine the dimensions of the rectangular tray
Answer:
Step-by-step explanation:
Width = w
Length = double the width = 2*w = 2w
Perimeter of rectangular tray = 60 in
2*(length + width) = 60
2*( 2w + w) = 60
2*3w = 60
6w = 60
Divide both sides by 6
w = 60/6
w = 10 in
length =2w = 2*10 = 20
length = 20 in
Width = 10 in
Which of the following is equivalent to: 4ab+k=13
Answer:
You want to isolate k since all the answer choices have it simplified.
So you subtract 4ab:
4ab + k = 13
k = 13-4ab
(C)
Option C is the correct alternative.
We have the following expression -
4ab + k = 13
We have to solve for K.
Solve for x (at k = 2) : log (\(\frac{\pi }{x}\)) = kOn solving -
log(π) - log(x) = k
log(x) = k - log(π)
log(x) = 2 - log(π)
log(x) = 2 - 0.497
log(x) = 1.503
x = 31.84
According to the question, we have -
4ab + k = 13
k = 13 - 4ab
Hence, Option C is the correct alternative.
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At 10:00 train A left the station and an hour later train B left the same station on a parallel track. If train A
travelled at a constant speed of 60 kilometres per hour and train B at 80 kilometres per hour, then at what time did B pass train A?
a) Write down an equation or a pair of simultaneous equations that gives the answer to the question.
b) Answer the question.
a. The required equation that gives the answer to the question is
60t = 80(t + 1).b. Train B passed train A at t = -4 hours.
a) Write down an equation or a pair of simultaneous equations that gives the answer to the question.Let
t = time of travel of train At' = time of travel of train BSince at 10:00 train A left the station and an hour later train B left the same station on a parallel track, we have that
t' = t + 1
Let
v = speed of train A and v' = speed of train BIf train A travelled at a constant speed of 60 kilometres per hour and train B at 80 kilometres per hour, then
v = 60 kphv' = 80 kphFor each train to cover the same distance, we have that
vt = v'(t + 1)
60t = 80(t + 1
So, the equation that can be used to give the answer to the question is
60t = 80(t + 1)b. At what time did B pass train A?So, solving the equation, we have
60t = 80(t + 1)
60t = 80t + 80
60t - 80t = 80
-20t = 80
t = 80/-20
t = -4
So, train B passed train A at t = -4 hours.
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help me find the answer in cm
please would get rewared brainly but it has to be the correct answer HELP!!!
Answer:
40000
hope this helped
Step-by-step explanation:
Answer:
40000
Step-by-step explanation:
Suppose that Tamera spent h hours sitting the dog and 2 days sitting thwe cats. Write an expression that shows how much she earned
The total money earned for taking care of the pets by Tamera is 7h + 30.
Equation
Equation is an expression used to show the relationship between one or more numbers and variables.
Let y represent the total money earned for x hours. Hence:
y = 7h + 15 * 2
y = 7h + 30
The total money earned for taking care of the pets by Tamera is 7h + 30.
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3 CO2 + 6 NADPH + 5 H2O + 9. Please
Answer:
omg
Step-by-step explanation:
too ez its 20 square rooted kid
In constructing a frequency distribution for the savings account balances for customers at a bank, the following class boundaries might be acceptable if the minimum balance is $5.00 and the maximum balance is $18,700:
$0.00-$5,000
$5,000-10,000
$10,000-$15,000
$15,000-$20,000
The given class boundaries are reasonable and provide a clear and informative summary of the savings account balances at the bank.
In statistics, a frequency distribution is a way of organizing data into intervals, or classes, and counting the number of observations that fall within each interval. The purpose of constructing a frequency distribution is to summarize large amounts of data and identify patterns and trends in the data.
When constructing a frequency distribution for savings account balances at a bank, it is important to choose appropriate class boundaries that are meaningful and representative of the data.
The class boundaries given in the question are $0.00-$5,000, $5,000-$10,000, $10,000-$15,000, and $15,000-$20,000, with the minimum balance of $5.00 and the maximum balance of $18,700.
These class boundaries are reasonable and appropriate for representing the savings account balances at the bank. The first class includes balances from $0.00 to $5,000, which is the minimum balance that the bank allows. The remaining classes are each $5,000 in width, which provides a consistent and easy-to-follow pattern.
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Complete question is:
In constructing a frequency distribution for the savings account balances for customers at a bank, the following class boundaries might be acceptable if the minimum balance is $5.00 and the maximum balance is $18,700:
$0.00-$5,000
$5,000-10,000
$10,000-$15,000
$15,000-$20,000
Are these class boundaries reasonable.
What is an expression for the sale price of a shirt that is sold at 40% off the original price p?
Answer:
$35
Step-by-step explanation:
If $21 is 60% of the original price, then the original price is ...
21 = 0.60p
21/0.60 = p = 35
The original price is $35.00.
Proving circles are similar: Choose any of the transformations that would be a step in proving that Circle A is similar to Circle C. Select ALL that apply.
A.
Reflect A over the line y=x
B.
Translate C (x+5,y-4)
C.
Dilate A by 3/2
D.
Dilate C by 3/2
E.
Translate A by (x-5, y+4)
The transformations that would prove that circles A and C are similar are:
A. Reflect A over the line y=xC. Dilate A by 3/2How to prove that circle A and circle C are similar?The circles are given as:
Circle A and B
Assume the following parameters:
The center of circle A is (2,3) with a radius of 2The center of circle B is (3,2) with a radius of 3To start with;
The circle A must be reflected across the line y = x with the following transformation rule:
(x,y) -> (y,x)
So, we have:
(2,3) -> (3,2)
Next, the radius of A must be dilated by 3/2 as follows:
New Radius = 3/2 * 2 = 3
After the transformations, we have the following parameters:
The center of circle A is (3,2) with a radius of 3The center of circle B is (3,2) with a radius of 3Notice that both circles now have the same center and radius.
Hence, both circles are similar
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3-10 A gable roof with a slope of 9 inches per foot has a rake slope of 1.25. If the run is 10 feet and the eaves length is 30 feet. What is the roof area in square foot?A. 300.B. 450.C. 700.D. 800.
The roof area is 468.75 square feet.
To find the roof area, we need to follow these steps:
Determine the rise (vertical distance) using the slope of 9 inches per foot:
Since the run is 10 feet, the rise is 9 inches/foot × 10 feet = 90 inches.
Convert the rise to feet: 90 inches ÷ 12 inches/foot = 7.5 feet.
Calculate the length of the rafter using the Pythagorean theorem:
Rafter length = √(run² + rise²) = √(10² + 7.5²) = √(100 + 56.25) = √156.25 = 12.5 feet.
Determine the total length of the gable roof:
Since the rake slope is 1.25, we have Total length = Rafter length × Rake slope = 12.5 feet × 1.25 = 15.625 feet.
Calculate the roof area:
Roof area = Eaves length × Total length = 30 feet × 15.625 feet = 468.75 square feet.
None of the given options matches the calculated roof area.
It is possible there is a mistake in the question or the provided options.
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Dons plumbing charges $15 per hour plus a service fee of $40 for coming out to your house. Write the equation modeling this situation.
Answer:
15x+40
Step-by-step explanation:
x would be the number of hours he is at the home
Given g(x) = x2-4
Find g(-3)
Answer:
-10
Step-by-step explanation:
g(-3)=3×3 -4
=9-4
=5
Answer: 5
Step-by-step explanation:
g(x)=x²-4
g(-3)=(-3)²-4
g(-3)=9-4
g(-3)=5
Hope this helps!! :)
Please let me know if you have any question or need any further explanation
Change
3
-
4
to a percent
Answer:
75%
Step-by-step explanation:
3/4 ie 75/100. .........edge
Could someone please help me
Answer:
420 cm
Step-by-step explanation:
I think you multiple 42 by 10
what two ratios that are equvilent to 1:1
Answer:
Step-by-step explanation:
2 : 2, 3 : 3
Problem 2:
The lifespan of a particular brand of light bulb follows a normal distribution with a mean of 1000 hours and a standard deviation of 50 hours.
Find:
a) the z-score of light bulb with a mean of 500 hours.
b) If a customer buys 20 of these light bulbs, what is the probability that the average lifespan of these bulbs will be less than 980 hours?
c) the probability of light bulbs with the mean of 400 hours.
d) the number of light bulbs with the mean less than 1000 hours
The answers are:
a) The z-score for a light bulb that lasts 500 hours is -10.
b) For a sample of 20 light bulbs, the probability that the average lifespan will be less than 980 hours is approximately 0.0367, or 3.67%.
c) The z-score for a light bulb that lasts 400 hours is -12. This is even more unusual than a lifespan of 500 hours.
d) Given the lifespan follows a normal distribution with a mean of 1000 hours, 50% of the light bulbs will have a lifespan less than 1000 hours.
How to solve the problema) The z-score is calculated as:
z = (X - μ) / σ
Where X is the data point, μ is the mean, and σ is the standard deviation. Here, X = 500 hours, μ = 1000 hours, and σ = 50 hours. So,
z = (500 - 1000) / 50 = -10.
The z-score for a bulb that lasts 500 hours is -10. This is far from the mean, indicating that a bulb lasting only 500 hours is very unusual for this brand of bulbs.
b) If a customer buys 20 of these light bulbs, we're now interested in the average lifespan of these bulbs. . In this case, n = 20, so the standard error is
50/√20
≈ 11.18 hours.
z = (980 - 1000) / 11.18 ≈ -1.79.
The probability that z is less than -1.79 is approximately 0.0367, or 3.67%.
c) The z-score for a bulb with a lifespan of 400 hours can be calculated as:
z = (400 - 1000) / 50 = -12.
The probability associated with z = -12 is virtually zero. So the probability of getting a bulb with a mean lifespan of 400 hours is virtually zero.
d) The mean lifespan is 1000 hours, so half of the light bulbs will have a lifespan less than 1000 hours. Since the lifespan follows a normal distribution, the mean, median, and mode are the same. So, 50% of light bulbs will have a lifespan less than 1000 hours.
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Use Simple Algorithm - Big M Method to solve the following questions.
(a)
Max Z =3x1 + 2x2 + x3
Subject to
2x1 + x2 + x3 = 12
3x1 + 4x2 = 11 and x1 is unrestricted
x2 ≥ 0, x3 ≥ 0
(b)
Min Z = 2x1 + 3x2
Subject to
x1 + x2 ≥ 5
x1 + 2x2 ≥ 6
and x1 ≥ 0, x2 ≥ 0
Application of Simple Algorithm - Big M Method to solve linear programming problems with given constraints and objective functions.
(a) Maximize Z = 3x1 + 2x2 + x3 subject to 2x1 + x2 + x3 = 12, 3x1 + 4x2 = 11, x1 unrestricted, x2 ≥ 0, and x3 ≥ 0.Minimize Z = 2x1 + 3x2 subject to x1 + x2 ≥ 5, x1 + 2x2 ≥ 6, x1 ≥ 0, and x2 ≥ 0.The Simple Algorithm - Big M Method is a technique used to solve linear programming problems with both equality and inequality constraints.
In problem (a), we have a maximization problem with three variables (x1, x2, x3) and two equality constraints and non-negativity constraints.
The algorithm involves introducing slack variables, converting the problem into standard form, and using a Big M parameter to handle unrestricted variables.
The objective function is maximized by iteratively improving the solution until an optimal solution is reached.
In problem (b), we have a minimization problem with two variables (x1, x2) and two inequality constraints.
The procedure is similar, where surplus variables are introduced to convert the problem into standard form, and the Big M method is used to handle non-negativity constraints.
The objective function is minimized by following the steps of the algorithm.
By applying the Simple Algorithm - Big M Method to these problems, we can find the optimal solutions that satisfy the given constraints and optimize the objective function.
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