The man needs to repay a total of 1120 birra after 2 years.
To calculate the total amount to be repaid, we need to find the simple interest first.
The formula for simple interest is:
Simple Interest = (Principal Amount) x (Interest Rate) x (Time Period)
Here, the principal amount is 800 birra, the interest rate is 20% (or 0.20 as a decimal), and the time period is 2 years.
Plugging these values into the formula:
Simple Interest = (800) x (0.20) x (2) = 320 birra
Now, to find the total amount to be repaid, we add the simple interest to the principal amount:
Total Amount = Principal Amount + Simple Interest = 800 + 320 = 1120 birra
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1.
Marissa created a scale drawing of the cafeteria.
the scale drawing the length of the cafeteria is
8 inches. The length of the actual cafetería is 96
feet.
What did 1 inch represent in the scale that
Marissa used?
The number of feet in 1 inch is 15 feet.
What is scale factor?A scale factor is defined as the ratio between the scale of a given original object and a new object, which is its representation but of a different size (bigger or smaller).
The basic formula to find the scale factor of a figure is expressed as,
Scale factor = Dimensions of the new shape ÷ Dimensions of the original shape.
Given that, in the scale drawing, the length of the cafeteria is 8 inches. the length of the actual cafeteria is 96 feet.
Here, 8 inches = 96 feet
1 inches = 96/8 feet
1 inches = 15 feet
Therefore, the number of feet in 1 inch is 15 feet.
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The total value of a collection of nickels can be described by this sequence: 5, 10, 15, 20, 25, 30, ...
Type of sequence:
Explicit formula:
Recursive formula:
Type of sequence: arithmetic progression
Explicit formula: 5n
Recursive formula: \(5_{n-1}\) + 5
What does the word Sequence mean ?A Sequence is a series of numbers in a regular pattern of increment. A sequence can be arithmetic or geometric in nature.
Given that a total value of a collection of nickels can be described by this sequence: 5, 10, 15, 20, 25, 30, .....
The difference in the sequence above is 10 - 5 = 5. There is an increment of 5 in each term.
Therefore, the type of sequence is arithmetic progression
The difference d = 5 and the first term is also 5
An explicit formula will be
a + (n - 1)d
substitute a and d into the formula
5 + (n - 1)5
5 + 5n - 5
5n
Therefore, 5n gives the value of a specific term based on the position
A recursive formula will be
\(a_{n-1}\) + d
substitute a and d into the formula
\(5_{n-1}\) + 5
Therefore, \(5_{n-1}\) + 5 gives the value of a specific term based on the previous term
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Learn with an example
or
Watch a tutorial
Find the slope of the line that passes through (9,5) and (4,1).
Simplify your answer and write it as a proper fraction, improper fraction, or integer.
Submit
Answer:
-8
Step-by-step explanation:
In order to find the answer to this question you need to use the slope formula, substitute, subtract, and simplify if needed.
\((9,5),(4,1) = (x^1,y^1), (x^2,y^2)\)
\(m = \frac{y^2-y^1}{x^2-x^1} = \frac{9-1}{4-5}\)
\(9-1=8\)
\(4-5=-1\)
\(= -8\)
Hope this helps.
Find the tenth term of the sequence 3,2,-1,-6,-13
Answer:
-78
Step-by-step explanation:
Answer:
to advance from 7th to 21st term of an arithmetic sequence one must add the constant difference 14 times. from 21 to 301 is advancement by 280, in total; thus d = 280/14 = 20. Tenth term is 21 + 3(20) = 81
Step-by-step explanation:
hope this helps
If f(7) = 22, then
f-¹(f(7)) = [?]
Enter
Answer: 7
Step-by-step explanation:
A function composed with its inverse results in an output equal to the original input.
c) Consider a school with two periods during which classes can be scheduled. For each class, there are two variables. For example, for class A, there are variables XA1 and 2 A2. Setting XA2 = 1 represents scheduling class A during period 2. Select the Boolean expression that is true if and only if class A is scheduled during exactly one of the two periods. Make sure to completely justify your response. a. (2 A1 & A2)(XA1 + x A2) b. (XA1 + x A2)(X A1 & A2) C. (XA1 + x A2)(X A12A2) d. (X A1 2 A2)(2A1 + XA2) (d) Consider a school with two periods during which classes can be scheduled. For each class, there are two variables. For example, for class A, there are variables XA1 and 2 A2. Setting 2 A2 = 1 represents scheduling class A during period 2. Select the Boolean expression that is true if and only if classes A and B are not scheduled during the same period. Make sure to completely justify your response. a. (2A1 + XB1)(2 A2 + x B2) b. (X A12BI) (TA2W B2) C. (2A1 + x A2)(2B1 + X B2) d. (XA12 A2) (2 B1 TB2)
The correct answer for part c is option d: (XA1 XOR XA2). This Boolean expression uses XOR (exclusive OR) which means that either XA1 = 1 and XA2 = 0, or XA1 = 0 and XA2 = 1,
Indicating class A is scheduled during exactly one of the two periods.
For part d, the correct answer is option a: (XA1 XOR XB1)(XA2 XOR XB2). This expression ensures that classes A and B are not scheduled during the same period.
If A is in period 1 and B is not, or vice versa (XA1 XOR XB1 = 1), and if A is in period 2 and B is not, or vice versa (XA2 XOR XB2 = 1), then the overall expression will be true.
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Suzie went to a candy shop. The candy shop has a sign that shows the cost of the candies at the shop. The sign is below:
Suzie bought 2 Snickers, 3 Skittles, and 5 Reese's Pieces. If she paid $20 to the shop, how much change would she get back?
Candy Cost per candy (in dollars)
Snickers 0.75
Skittles 1.00
Reese's Pieces 1.40
Answer:
$8.50
Step-by-step explanation:
Multiply the cost by the amount of candy she bought, your equation will look like this:
2(0.75) + 3(1) + 5(1.40)
Multiplying everything makes the equation into:
1.5 + 3 + 7
Adding everything makes the total cost 11.50.
Subtract 11.50 from 20, and the answer is 8.50
which measure of variability is the most direct way to measure how dispersed a set of scores is?
The most direct way to measure how dispersed a set of scores is, is by using the range. The range is calculated by subtracting the lowest score from the highest score in the dataset, which gives a quick and easy measure of the spread of the scores.
However, the range can be influenced by extreme scores and may not provide a complete picture of the variability. Other measures of variability, such as the standard deviation and variance, take into account the variability of all scores in the dataset and provide a more robust measure of variability.
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What term best describes 3y – 5?
A. numeric expression
B. algebraic expression
C. coefficient
D. variable
Answer:
B
Step-by-step explanation:
Because you have to solve for the variable, making it algebraic.
a 5th degree polynomial with 3 terms?
Answer:
Hey there. Heres ur answer
Fifth degree polynomials are also known as quintic polynomials. Quintics have these characteristics:
One to five roots.
Zero to four extrema.
One to three inflection points.
pls answer this ( both parts)
Answer:
Yes, It is
Step-by-step explanation:
0.005
Divide the numerator by the denominator, to find the answer
what is the number sentence
Answer:
A number sentence is a mathematical sentence made up of numbers and signs. So for example 15 + 7.
They can use any of the mathematical operations so addition, subtraction, multiplication and division
Number sentences can be true or false. Example, 5 + 7 = 13
good luck, i hope this helps :)
PLEASE ANSWER QUICK!! what’s the correct answer?
Answer:
48r
Step-by-step explanation:
Lorenzo made 2/3 of a quart of hot chocolate. Each mug holds 1/6 of a quart. How many mugs will Lorenzo be able to fill?
HELP ASAP
20 points
Answer:
pretty sure its 2 mugs
Step-by-step explanation: i might be wrong
Answer:
4/6
Step-by-step explanation:
pleaseeeeeeeeeeeeeeeee solve this
Answer:
360 degrees
Step-by-step explanation:
We know that the sum of all the (ordered) exterior angles of any polygon is 360 degrees. As shown in the figure that, x,y and z recognise themselves as the exterior angles of the given triangles, their sum will be 360 degrees as well.
Anthony's bedroom and bathroom are both rectangular and have a combined area of 240 square feet. His bathroom has a length of 6 feet. If the width of each room is 10 feet, what is the length of Anthony's bedroom?
Answer:
Step-by-step explanation:
240 | Total
6x10=60 square feet | Bathroom
240-60=180
Square foot of 180 is 16.7225
Length of Anthony's bathroom is 16.7225
A traditional children’s riddle concerns a farmer who
is traveling with a sack of rye, a goose, and a mischievous dog.
The farmer comes to a river that he must cross from east to west. A
boat is ava
The riddle mentioned in the question is about a farmer who is traveling along with a sack of rye, a goose, and a mischievous dog.
He comes to a river that he must cross from east to west, and there is a boat available to do so. Therefore, the farmer takes the goose back to the east side and leaves it there. He then takes the sack of rye across the river, drops it off with the dog, and goes back to the east side to pick up the goose. In this manner, all of the farmer's possessions can be safely transported across the river without any of them being lost to the dog or the goose.This riddle is a classic example of a type of logical puzzle known as a "transport problem."
The goal of a transport problem is to determine how to transport one or more objects from one location to another while satisfying certain constraints, such as the size of the transport vehicle or the safety of the objects being transported.
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what is tablespoon to ounces?
There are 2 tablespoons in an ounce. So for 2 ounces, you will need 4 tablespoons, for 4 ounces 8 tablespoons, and so on.
A tablespoon is a unit of volume measurement in United States, and some other countries. It is equal to approximately 15 milliliters (0.51 fluid ounces). One tablespoon can be further divided into three teaspoons, meaning that one tablespoon is equal to three teaspoons.
In the United States, one tablespoon is equal to 0.5 ounce, which is equal to 14.3 grams. This is slightly different in the UK, where one tablespoon is equal to 0.6 ounces (which is equal to 17.7 grams). To convert tablespoons to ounces, you can use the following formula is 1 tablespoon = 0.5 ounces.
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Which of the following volumes represent a perfect cube? Check all that apply. 1 in.3 4 in.3 8 in.3 12 in.3 25 in.3 27 in.3 64 in.3
Answer:
A, C, F, G (1 in.^3, 8 in.^3, 27 in.^3, 64 in.^3.)
Step-by-step explanation:
Answer:
A
C
F
G
Step-by-step explanation:
I got it right on the question.
Find the area of this figure?
Answer:
40cm is the answer I got
you have a cake that is 16 inches by 18 inches.you want each piece to be exactly the same size.how many people can u serve equal sized piece of cake
The number of people are 72.
What is HCF?Highest Common Factor is the full name for HCF in mathematics.
According to the laws of mathematics, the highest positive integer that divides two or more positive integers without leaving a residual is known as the greatest common divisor, or gcd.
What is LCM?Least Common Multiple is the full name for LCM in mathematics.
LCM (a,b) in mathematics stands for the least common multiple, or LCM, of two numbers, such as a and b. The smallest or least positive integer that is divisible by both a and b is known as the LCM.
We need to know the size of the pieces in order to calculate how many people can be fed equal-sized pieces of cake from a 16 by 18-inch cake.
Assume that each piece is a square with sides measuring "x" in length. Each piece's area would be x², and the cake's overall area would be 16 x 18 inches, or 288 square inches.
We must divide the entire area of the cake by the area of each piece to determine the maximum number of pieces that can be cut from the cake:
288 / x² = (16*18) / x² = 288 / x²
Choosing a "x" value that evenly splits into 16 and 18 is necessary if we want every piece to be the exact same size. Since 2 is the greatest possible value, we can divide the cake into 8 rows of 9 squares, yielding a total of 72 pieces.
As a result, a cake measuring 16 inches by 18 inches can be divided into 72 equal-sized pieces, each measuring 2 inches by 2 inches.
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We can serve 18 people equal-sized pieces of cake from a cake that is 16 inches by 18 inches, assuming each piece is a square and we want the pieces to be exactly the same size.
What is area?A two-dimensional figure, form, or planar lamina's area is a measurement of how much space it takes up in the plane.
To find out how many people can be served equal-sized pieces of cake from a cake that is 16 inches by 18 inches, we need to first determine the size of each piece of cake.
The total area of the cake is:
16 inches x 18 inches = 288 square inches
To divide the cake into equal-sized pieces, we need to determine the size of each piece. Let's assume we want each piece to be a square. To find the size of each square, we need to find the square root of the total area of the cake:
√(288 square inches) ≈ 16.97 inches
Since we want the pieces to be exactly the same size, we'll round down to the nearest inch, which gives us:
Each piece of cake will be approximately 16 inches by 16 inches.
To find out how many people can be served equal-sized pieces of cake, we need to divide the total area of the cake by the area of each piece:
288 square inches ÷ (16 inches x 16 inches) = 18
Therefore, we can serve 18 people equal-sized pieces of cake from a cake that is 16 inches by 18 inches, assuming each piece is a square and we want the pieces to be exactly the same size.
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Using the pie chart below, if 300 students were polled on their favorite ice cream flavor, how many more students preferred strawberry ice cream than vanilla ice cream?
What is the range of the data shown on the stem-and-leaf plot?
A. 93
B. 43
C.50
D.48
Answer:
C. 50
Step-by-step explanation:
Range is the highest value minus the lowest value:
Highest value: 93
Lowest value: 43
93 - 43 = 50
.at the beginning of every period of british literature, mrs. crabapple picks a random student to receive a crabapple as a gift, but really, as you might imagine, they are quite bitter and nasty. given that there are $11$ students in her class and her class meets four times a week, how many different sequences of crabapple recipients are possible in a week?
The number of different sequences of crabapple recipients that are possible in a week are 14,641.
In Mrs. Crabapple's British literature class, there are 11 students, and she gives out a crabapple at the beginning of each of the 4 class meetings per week.
To determine the number of different sequences of crabapple recipients, we will calculate the number of possibilities for each class meeting and multiply them together. Since she can pick any of the 11 students for each class, there are:
11 possibilities for the first class,
11 possibilities for the second class,
11 possibilities for the third class, and
11 possibilities for the fourth class.
So, the total number of different sequences of crabapple recipients in a week is:
11 * 11 * 11 * 11 = 11^4 = 14,641 different sequences.
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a. Find 5
∑
n=0
(9(2) n)−7(−3) n)
b. Given the following premises are p→q,¬p→r, and r→s. Prove that ¬q→s
c. Show that ¬(p∨¬q) and q∧¬p are equivalent by:
By using the same logic and identity, we can also say that ¬(p∨¬q) is equivalent to q∧¬p.
a. To find the given series i.e., 5∑n=0(9(2)n)−7(−3)nTo find 5∑n=0(9(2)n)−7(−3)n,
we need to find the first five terms of the series. The given series is,
5∑n=0(9(2)n)−7(−3)n5[(9(2)0)−7(−3)0] + [(9(2)1)−7(−3)1] + [(9(2)2)−7(−3)2] + [(9(2)3)−7(−3)3] + [(9(2)4)−7(−3)4]
After evaluating, we get:
5[(9*1) - 7*1] + [(9*2) - 7*(-3)] + [(9*4) - 7*9] + [(9*8) - 7*(-27)] + [(9*16) - 7*81]15 + 57 + 263 + 1089 + 4131= 5555b.
Given premises: p → q, ¬p → r, r → s.
We are to prove that ¬q → s. i.e.,
Premises: (p → q), (¬p → r), (r → s)
Conclusion: ¬q → s
To prove ¬q → s,
we need to assume ¬q and show that s follows.
Then we use the premises to derive s.
Proof:
1. ¬q Assumption
2. ¬(¬q) Double negation
3. p Modus tollens 2,1 & p → q
4. ¬¬p Double negation
5. ¬p Modus ponens 4,3 (Conditional elimination)
6. r Modus ponens 5,2 (Conditional elimination)
7. s Modus ponens 6,3 (Conditional elimination)
8. ¬q → s Conditional introduction (Implication)
Thus, ¬q → s is proven.
c. To show that ¬(p∨¬q) and q∧¬p are equivalent, we need to show that their negation is equivalent. i.e.,
we show that (p ∨ ¬q) ↔ ¬(q ∧ ¬p)Negation of (p ∨ ¬q) = ¬p ∧ q Negation of (q ∧ ¬p) = ¬q ∨ p
Thus, we are to show that (p ∨ ¬q) ↔ ¬(q ∧ ¬p) is equivalent to ¬p ∧ q ↔ ¬q ∨ p
Proof:
¬(q ∧ ¬p) ≡ ¬q ∨ p Negation of (q ∧ ¬p)(p ∨ ¬q) ≡ ¬(q ∧ ¬p)
De Morgan's laws ∴ (p ∨ ¬q) ≡ ¬q ∨ p
By using the same logic and identity, we can also say that ¬(p∨¬q) is equivalent to q∧¬p.
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a. The formula given is, ∑n=0(9(2)n)−7(−3)n. Let’s find out the first five terms of the given formula as follows:
First term at n = \(0:9(2)^0-7(-3)^0= 9 + 7= 16\)
Second term at n = \(1:9(2)^1-7(-3)^1= 18 + 21= 39\)
Third term at n = \(2:9(2)^2-7(-3)^2= 36 + 63= 99\)
Fourth term at n = \(3:9(2)^3-7(-3)^3= 72 + 189= 261\)
Fifth term at n = \(4:9(2)^4-7(-3)^4= 144 + 567= 711\)
Therefore, the first five terms of the given formula are: 16, 39, 99, 261, 711.
b. To prove that ¬q→s from p→q, ¬p→r, and r→s,
we need to use the law of contrapositive for p→q as follows:
¬q→¬p (Contrapositive of p→q)¬p→r (Given)
∴ ¬q→r (Using transitivity of implication) r→s (Given)
∴ ¬q→s (Using transitivity of implication)
Therefore, ¬q→s is proved.
c. To show that ¬(p∨¬q) and q∧¬p are equivalent,
we need to use the De Morgan’s laws as follows:
¬(p∨¬q) ≡ ¬p∧q (Using De Morgan’s law)
≡ q∧¬p (Commutative property of ∧)
Therefore, ¬(p∨¬q) and q∧¬p are equivalent.
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The value of C has to be Greater than 0.65
Answer:
1.3
Step-by-step explanation:
1. .65 = .5c ---> .65/.5
2. 1.3 = c
what is the result of 2.130 x 10³ - 6.6 x 10² =
Answer:
The answer you're looking for is 1470.
Step-by-step explanation:
The method I used was PEMDAS
Since there was no parenthesis, I simplified the exponents.
2.130 x 10³ - 6.6 x 10² = ?
2.130 x 1000 - 6.6 x 100 = ?
After that, I multiplied all terms next to each other.
2.130 x 1000 - 6.6 x 100 = ?
2130 - 660 = ?
The final step I did was to subtract the two final terms and ended up with 1470 as my final answer.
1470 = ?
I hope this was helpful!
Using trigonometry, work out the size of angle x in
the right-angled triangle below.
Give your answer in degrees to 1 d.p.
5.3 m
8.2 m
x
Answer:
40.3°
Step-by-step explanation:
sin x/ (5.3) = sin 90/ (8.2)
sin x = (5.3 sin 90) / 8.2
= 5.3/8.2
x = arcsin (5.3/8.2)
= 40.3° to 1 dp
The measure of angle x using Trigonometry is 40.263215° or 40.3.
Trigonometry is a branch of mathematics that deals with the study of relationships involving the angles and sides of triangles. It is especially useful in understanding the properties and behavior of right-angled triangles.
Sine ratio is defined as the ratio of the length of the side opposite an angle to the length of the triangle's hypotenuse.
From the figure,
Perpendicular = 5.3 m
Hypotenuse = 8.2 m
Using Trigonometry
sin x = P / H
sin x = 5.3/ 8.2
sin x = 0.6463
Using Inverse Trigonometry
x = \(sin^{-1}\)(0.6463)
x= 40.263215°
Thus, the measure of angle x is 40.3.
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What si the equation in slope intercept form of the line that passes through the points (-4,2) and (12,6)
Answer:
b = -12
Step-by-step explanation:
In order to find the slope intercept you must first find the slope of the given points.
\(-4,2 = 12,6\)
\(S=\frac{y2-y1}{x2-x1}\)
Substitute:
\(\frac{12--4}{6-2}\)
\(12--4=12+4=16\)
\(6-2=4\)
\(S=\frac{16}{4}\)
Now find the slope intercept
\(16\div4=4\)
\(SI=y=mx+b\)
Substitute:
\(12=4\times6+b\)
Solve:
\(4\times6=24\)
\(12=24+b\)
Subtract 24 on both sides:
\(12-24=-12\)
\(x=-12\)
\(y=-12\)
Hope this helps.
Question 10 of 10
Which of the following choices are equivalent to the expression below?
all that apply.
8^8/5
Answer:
C and D
Step-by-step explanation:
exponent of an exponent means
they got multiplied
x^m/n = nth root of x^m
x^8/5 means
(x^8)^1/5 or
5th root of x to the 8th power
x^1/5 is the
5th root of x^8
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