You and your friend each deposit $50 in separate savings accounts. Your account earns 2% simple annual interest Your friend's account earns 4% simple annual interest. How long does it take for you to earn $20 in interest? How long does it take for your friend to earn $20 in interest?
Answers
Answer:
The answers are 20 years for myself and 10 years for your friend
Step-by-step explanation:
I need help on how to write the whole format out but those are definitely the right answers.
Related Questions
Solve each system by elimination or substitution.
-x + 5y = 3 , 2x - 10y = 4
Answers
The given system of equations do not have a solution since their related line equations have the same slope.
The given system of equations is:
-x + 5y = 3 .......... (1)
2x - 10y = 4 ........(2)
In Equation (1), add both sides by (-5y)
-x + 5y + (-5y) = 3 + (-5y)
-x = -3 - 5y
Multiply by (-1)
x = 3 + 5y
Substitute x = 3 + 5y into equation (2)
2x - 10y = 4
2.(3 + 5y) - 10y = 4
6 + 10y - 10y = 4
6 = 4 (False)
Since the last equation is false, we might suspect that the given system of solution does not have solutions.
We need to check the slope of both equations:
-x + 5y = 3
⇒ 5y = x + 3
⇒ y = 1/5 x + 3/5
2x - 10y = 4
⇒ -10 y = -2x + 4
⇒ y = (2/10) x - 4/10
⇒ y = 1/5 x - 2/5
We can see that both equations have the same slope, i.e. 1/5.
Hence, they do not have solutions since the lines are parallel to each other.
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Joe drives 325 miles to Chicago for a business meeting. If Joe drives at a constant rate of 65 mph, how long will it take to get him to Chicago?
A) 4 hrs.
B)4. 5 hrs.
C)5 hrs.
D)5. 5 hrs.
Answers
It will take Joe 5 hours to reach Chicago.
To calculate the time it will take for Joe to reach Chicago, we can use the formula:
Time = Distance / Rate
Given that Joe drives 325 miles at a constant rate of 65 mph, we can plug these values into the formula:
Time = 325 miles / 65 mph = 5 hours
The correct answer is:
C) 5 hrs.
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Different functions can have local variables with the same name. Select one: O True False
set of statements that belong together as a group and contribute to the function definition is known as a Select one: O a block b.loop Oc decision Od set
Answers
False. Different functions cannot have local variables with the same name because each function has its own isolated scope.
In programming, local variables are variables that are declared and used within a specific function. They are only accessible within that function and cannot be accessed or modified by other functions. Local variables are used to store temporary data or intermediate results within the function's scope.
It is important to note that local variables have a limited scope, meaning they are only valid and accessible within the block of code where they are defined. Once the function execution completes, the local variables cease to exist.
Since different functions have their own separate scopes, it is possible to define local variables with the same name in different functions. This is because each function's local variables are independent of each other and do not interfere with one another.
For example, consider two functions, function A and function B. Both functions can have their own local variable named "x" without any conflict or issue. The "x" variable in function A has no connection or impact on the "x" variable in function B. They are distinct and exist within their respective function scopes.
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Different functions can have local variables with the same name without conflict, as they are specific to their function scope. And a group of logically connected statements contributing to the function definition is known as a block.
Explanation:"True, different functions can have local variables with the same name". Local variables are specific to the function they are declared in and are not known to other functions. Hence, similar names can be used in different function scopes without any conflict.
A set of statements that belong together as a group and contribute to the function definition is known as a block. In programming, a block is a set of logically grouped statements, enclosed in curly braces ' { }'. For instance, the set of statements within a function or a loop or a decision control structure (like if, switch) forms a block.
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In Woodinville the sales tax is 10%. What is the total cost including tax on a $28 purchase?
Answers
Answer:
$30.80
Step-by-step explanation:
10% of $28 is 2.80
add 28+2.80=30.80
PLEASE HELP ASAP WILL GIVE BRAINLIEST
Answers
Answer:
3x+5x=8x
-3t+-t=-4t
3p+3p=6p
2n+n=3n
5g+-g=4g
7y+y=8y
4+12=16
Step-by-step explanation:
Ayo I need some help please :)
Answers
Emma drew 11 hearts and 20 cycles.What is the ratio of circles to hearts in simplified form?
Answers
The ratio of a to be is expressed as a/b or a:b
Given that Emma drew 11 hearts and 20 cycles, the ratio of circles to hearts would be
20/11
Looking at the above ratio, there are no common factors. This means that it cannot be simplified further. Therefore, the ratio of circles to hearts in simplified form is
20/11
Will give brainliest if you can answer probability question.
Answers
Answer:
4a) P (Y and Y) = 1/9
4b) P (Y or Y) = 2/3
4c) P (B and Y) = 1/18
Step-by-step explanation:
4a) P (Y and Y) = 2/6 x 2/6
4b) P (Y or Y) = 1/3 + 1/3
4c) P (B and Y) = 1/6 x 1/3
'and' requires multiplying probabilities
'or' requires adding probabilities
can someone tell me the graph pls i’ll give you brainlist and points plz
Answers
Answer: (0,-2)
hope that answered your question
On stat holidays Samir is paid 155% of his regular hourly rate if he works overtime
hours. His overtime wage is $42.73 an hour. What is his regular rate?
Answers
Answer:
$27.56
Step-by-step explanation:
We can use the information given to set up an equation and solve for Samir's regular hourly rate.
Let's let "r" be Samir's regular hourly rate.
When Samir works overtime hours on a statutory holiday, he is paid 155% of his regular hourly rate. This means he is paid 1.55 times his regular hourly rate.
His overtime wage is given as $42.73 an hour.
So we can set up the following equation:
1.55r = $42.73
To solve for "r", we can divide both sides by 1.55:
r = $42.73 / 1.55
r = $27.56
Therefore, Samir's regular hourly rate is $27.56.
in the game of poker, five cards are dealt. recall the regular deck of cards has 13 denominations and 4 suits. what is the probability of getting 5 consecutive cards (i.e., from 2, 3, 4, 5, 6, all the way to 10, j, q, k, a), all of the same suit? (note: if you are not familiar with cards, this is equivalent with having natural numbers 1, 2, . . . , 13, each coming in 4 different colors/suits; what is the probability of choosing 5 consecutive natural numbers, all of the same color? the desired consecutive cards/numbers can be drawn in any order, but once rearranged, should form a consecutive array).
Answers
The probability of getting 5 consecutive cards of the same suit in a regular deck of cards is approximately 0.000181 or 0.0181%.
To calculate this probability, we can consider the number of favorable outcomes (getting 5 consecutive cards of the same suit) and divide it by the total number of possible outcomes (any 5-card hand).
In a deck of 52 cards, there are 9 possible sequences of 5 consecutive cards (2, 3, 4, 5, 6 to 10, J, Q, K, A) for each suit. Since there are 4 suits, the total number of favorable outcomes is 36 (9 sequences × 4 suits).
The total number of possible 5-card hands is given by the combination formula, C(52, 5), which is equal to 2,598,960.
Therefore, the probability of getting 5 consecutive cards of the same suit is 36/2,598,960 ≈ 0.000181, or approximately 0.0181%.
In summary, the probability of obtaining 5 consecutive cards of the same suit in a game of poker is very low, with an approximate probability of 0.0181%. This means that it is quite rare to have a hand with such a specific arrangement of cards.
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13 more than four times a number is -93
Answers
Answer:
13
Step-by-step explanation:
(x+13) find its fourth root
which will be......
x⁴+28561=-93
x⁴=-28654
x=13.01
growth or decay, and determine the percentage rate of increase or decrease.
y
=
660
(
0.902
)
x
Answers
The expression y = 660(0.902)ˣ represents a decay , the rate of decrease is 9.8% .
In the question ,
it is given that ,
the the exponential function is y = 660(0.902)ˣ
we need to determine that , the equation represents a growth or decay .
0.902 is the variable that will determine a growth or decay .
Since, 0.902 is less than 1 , so it represents a decay function .
To find the rate we subtract 0.902 from 1
= 1 - 0.902
= 0.098
= 9.8% decrease rate
Therefore , The expression y = 660(0.902)ˣ represents a decay , the rate of decrease is 9.8% .
The given question is incomplete , the complete question is
Identify if it's Growth or Decay , and determine the percentage rate of increase or decrease , the function is y = 660(0.902)ˣ ?
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Stella is writing an essay. She writes 2 pages in 16 minutes How many pages does she write in 32 minutes
Answers
Answer:
4 pages
Step-by-step explanation:
if you divide 16 by 2 it equals 8 so she wrights a page every 8 minutes so 8 divided by 32 equals 4
Which is the biggest fraction 1/5 or 1/10
Answers
Answer:
1/5 is biggest fraction
Step-by-step explanation:
1/5 = 0.2
1/10 =0.1
⅕ > ⅒
The biggest fraction in between 1/5 and 1/10 is 1/5.
What is fraction?An element of a whole is a fraction. The number is represented mathematically as a quotient, where the numerator and denominator are split. Both are integers in a simple fraction. A fraction appears in the numerator or denominator of a complex fraction. The numerator of a proper fraction is less than the denominator.
We have the fractions:
1/5 and 1/10.
To find the biggest fraction:
Here, 1 is the numerator in both of the fractions.
So, 10 and 5 are the denominators.
And 5 < 10
That means, 1 is separated in 5 parts and 10 parts.
1/5 = 0.2
And 1/10 = 0.1
0.2 > 0.1
Therefore, the fraction 1/5 is bigger than 1/10.
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For each of the following situations determine if you are able to reasonably generalize from the sample to the population. Say why or why not. a) You use your statistics class to get an estimate of the percentage of students in your school who study at least two hours per night. (2 points) b) You use the average annual income of the ambassadors to the United Nations to get an estimate of average per-captia income for the world as a whole. (2 points) c) In 1996, a Gallup poll sampled 235 U.S residents ages 18 to 29, to estimate the percentage of all U.S. residents ages 19 to 29 who favored cuts in social spending
Answers
Given statement solution is :- a) If the sample was biased or not representative of the overall student population (e.g., only students from specific grades or majors), the estimate may not accurately reflect the percentage of students in the entire school who study at least two hours per night.
b) To estimate the average per capita income for the world, a more representative and comprehensive sampling approach would be necessary.
c) It's worth noting that the data is quite outdated (from 1996), and societal opinions and attitudes may have changed significantly since then. So, while the generalization might have been reasonable at the time of the poll, it may not accurately reflect the current population's views on social spending.
a) For situation (a), it depends on the sampling method used and the representativeness of the sample. If the sample was selected randomly from the entire student population of your school and the sample size is sufficiently large, then it is reasonable to generalize the estimate to the population. However, if the sample was biased or not representative of the overall student population (e.g., only students from specific grades or majors), the estimate may not accurately reflect the percentage of students in the entire school who study at least two hours per night.
b) In situation (b), it is not reasonable to generalize from the average annual income of ambassadors to the United Nations to estimate the average per capita income for the world as a whole. Ambassadors to the United Nations represent specific countries and their income may not be representative of the income levels of the entire global population. Global income distribution is highly varied, with significant disparities between different countries and regions. To estimate the average per capita income for the world, a more representative and comprehensive sampling approach would be necessary.
c) Situation (c) involves a Gallup poll conducted in 1996, which sampled 235 U.S. residents ages 18 to 29 to estimate the percentage of all U.S. residents ages 19 to 29 who favored cuts in social spending. In this case, the generalization from the sample to the population is reasonable only if the sampling method used was unbiased and the sample was representative of the entire population of U.S. residents ages 19 to 29. However, it's worth noting that the data is quite outdated (from 1996), and societal opinions and attitudes may have changed significantly since then. So, while the generalization might have been reasonable at the time of the poll, it may not accurately reflect the current population's views on social spending.
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if a sample of n = 9 scores is obtained from a normal population with µ = 71 and σ = 21, what is the z-score corresponding to a sample mean of m = 69?
Answers
The z-score corresponding to a sample mean of 69 is approximately -0.286.
The z-score corresponding to a sample mean of m = 69 can be calculated using the formula:
z = (m - µ) / (σ / √n)
Plugging in the given values, we get:
z = (69 - 71) / (21 / √9)
z = -0.86
Therefore, the z-score corresponding to a sample mean of m = 69 is -0.86.
To calculate the z-score for a sample mean (m) of 69, given a population mean (µ) of 71, standard deviation (σ) of 21, and sample size (n) of 9, use the formula:
z = (m - µ) / (σ / √n)
Plug in the values:
z = (69 - 71) / (21 / √9)
z = -2 / (21 / 3)
z = -2 / 7
z = -0.286
The z-score corresponding to a sample mean of 69 is approximately -0.286.
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can anyone help me.
Answers
Answer:
Solution:
Given,
Ratio of photo to to the photo frame=2:3
Length of photo frame=36cm
= 36÷3
=13
then,
Length of photo = 13 ×2
= 26cm
Step-by-step explanation:
Therefore,the length of the photo is 26cm
Monique hod 30. She purchased 2 necklaces for *8 each. How much money does Monique have remaining?
Answers
Answer:
$14
Step-by-step explanation:
The necklaces cost $8, so two would be $8+$8=$16
Now do the original $30 minus the $16 dollars spent
You now have $14 left.
Maximal Square Have the function Maximalsquare (strArr) take the strAxr parameter being passed which will be a 2D matrix of 0 and 1 's and determine the area of the largest square submatrix that contains all 1 's A square submatrix is one of equal width and height, and your program should return the area of the largest submatrix that contains only 1's. For example: if strArr is ["10100", "10111", "11111", "H0010"] then this looks like the following matrix: 10111 11111 10010 For the input above, you can see the bolded 1's create the largest square submatrix of size 2×2, so your program should return the area which is 4. You can assume the input will not be empty. Examples Input: new String[] \{"0111", "1111", "1111", "1111"\} Output: 9 Input: new String[] \{"0111", "1101", "0111"\} Output: 1
Answers
The maximum area of a square submatrix containing only 1's in the given 2D matrix can be found by identifying the largest square formed by consecutive 1's and returning its area.
We start by initializing a variable called maxArea to keep track of the maximum area encountered so far. Set maxArea to 0.
Iterate through each row and column in the 2D matrix.
For each element in the matrix, if it is equal to 1, we check its top, left, and top-left adjacent elements (if they exist).
We calculate the minimum value among these adjacent elements and add 1 to it. This represents the size of the largest square submatrix that can be formed at the current position.
Update maxArea with the maximum value between maxArea and the calculated size.
Continue this process for all elements in the matrix.
Finally, return the square of maxArea, which represents the area of the largest square submatrix containing only 1's.
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To select 10 students our of the class of 40 students, 40 names are placed in a hat and 10 names are drawn out of the hat. What type of sample is this? A. Stratified Random Sample B. Multistage Sample C. Simple Random Sample D. Cluster Sample E. Systematic Random Sample
Answers
Simple Random sampling as each student is getting equal opportunity to get selected.
Describe random sampling.
A selection of participants from a community are chosen at random by the investigator using simple random sampling, a sort of sampling techniques. Every individual in the population has the same chance of being chosen. Then, information is gathered from as much of this randomly selected subgroup as possible.
Which four forms of random sampling are there?
Simple random sampling, systematic sampling, stratified sampling, and cluster sampling are the four main random (probability) sampling techniques.
What benefit may simple random sampling provide?
The benefits of a simple random sample include its simplicity and accuracy of depiction. Simple random sampling is the easiest way to select a study sample from a bigger population.
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A population in a town has 2500 people in the first month of its development. Every month after that, the population constantly increases 1.25 times from the previous month. What will the population of the town be in the 4th month?
A.) About 4883 people
B.) About 6104 people
C.) 12500 people
D.) 9375 people
Answers
Answer:
6104 people.
Step-by-step explanation:
1.25 means it will multiply by 1 and a fourth
2500*1.25 =3125 the first month
3125*1.25=3906.25 the second.
3906.25*1.25=4882.8125 the third
4882.8125*1.25=6103.515625
round that up and you have 6104 people.
Answer:
A) 4883Step-by-step explanation:
Given:
Initial number = 2500Rate of increase = 1.25 timesNumber of moths passed = 4 - 1 = 3Population is:
2500*1.25³ = 4882.8125 ≈ 4883Correct choice is A
which expression is the best estimate of 1 1/5 X 3 2/3
A: 2 X 3
B: 1 X 4
C: 2 X 3
D: 1 X 3
Answers
T/F: it is best to plan future activities for the group during the middle of the group
Answers
Answer:
False.
Step-by-step explanation:
It's ok to plan future activities for the group, but it's best to plan in the beginning of the group.
A marina is in the shape of a coordinate grid. Boat A is docked at (4.2, −2) and Boat B is docked at (−5.2, −2). The boats are ____ units apart. 6.2 7
Answers
The boats are approximately 9.4 units apart.
To find the distance between two points in a coordinate plane, we can use the distance formula:
distance =\(\sqrt{((x2 - x1)^2 + (y2 - y1)^2)}\)
Using this formula, we can find the distance between Boat A at (4.2, -2) and Boat B at (-5.2, -2):
distance = \(\sqrt{((-5.2 - 4.2)^2 + (-2 - (-2))^2)}\)
distance = \(\sqrt{((-9.4)^2 + (0)^2)}\)
distance =\(\sqrt{(88.36)}\)
distance ≈ 9.4
Therefore, the boats are approximately 9.4 units apart.
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Mischa wrote, “Anderson has ten trading cards. He gives some to Desai.” This describes a possible context for the expression x minus 10. Which explains the accuracy of what Mischa wrote?
It is inaccurate. Her words translate to 10 minus x.
It is inaccurate. Her words translate to 10 less-than x.
It is inaccurate. Her words translate to x less-than 10.
It is accurate. Her words translate to x minus 10.
PLEASE ANSWER QUICKLY! Thank you, <3
Answers
Answer:
I would say the last option
I need to write an solve an inequality that describes the width of the lot in terms of w
Answers
Given:
The length of the rectangle is 50 yards. The perimeter is less than 180 yards.
Required:
Write the solution inequality in terms of width w.
Explanation:
Let the width of the rectangle is w.
The perimeter of the rectangle is given by the formula:
\(P=2(length+width)\)\(\begin{gathered} 2(50+w)<180 \\ 50+w<90 \\ w<90-50 \\ w<40 \end{gathered}\)Final Answer:
The first option is the correct answer.
PLEASEE HELPPPPP
❤️❤️❤️❤️
Answers
Answer:
15
Step-by-step explanation:
(2x-1)+(x+17)+(4x-15)=106º
2x+x+4x=7x
-1+17-15=1
7x+1=106º
-1
7x=105º
/7 /7
x= 15
Percents
Michael is leaving a 15% tip for his waitress. What percent of the
original price will he pay? Write your answer as a percent, decimal,
and fraction.
Answers
Answer:
115%, 1.15, 115/100
Step-by-step explanation:
11) Seven times a number subtracted from 29 gives 43. Find the number.
Answers
Answer:
-2
Step-by-step explanation:
Answer:
-2
Step-by-step explanation:
7x-2=-14
29-(-14)=43
hope this helps :)