Answer: B=-16
because -86-9=-96 and -96 divided by 6=-16
Periodic Deposit: $1000 at the end of each year Rate: 4.5% compounded annually Time: 11 years
The interest amount is $622.85
How to determine the interest amount?The given parameters are:
Principal, P =$1000 Rate, r = 4.5% compounded annually i.e. n = 1Time, t = 11 yearsThe interest amount is calculated as:
I = P(1 + r/n)^(nt) - P
This gives
I = 1000 * (1 + 4.5%/1)^(1 * 11) - 1000
Evaluate the products and the quotient
I = 1000 * (1 + 0.045)^(11) - 1000
Evaluate the sum
I = 1000 * (1.045)^(11) - 1000
Solve
I = 622.85
Hence, the interest amount is $622.85
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Tiana wants to attend a university that costs $8,000 per year. Her parents plan to contribute $2,000 towards her college tuition. If Tiana wants to start saving money from her summer job for the first year's tuition, how much would she have to save each summer, assuming she has 4 summers before her freshman year of college?
Answer:
1,500
Step-by-step explanation:
8,000-2,000=6,000
6,000/4=1,500
she would have to save 1,500 dollars each summer to pay for the first year's tuition
If 23 is added to a number, the result is 43 less than twice the number. Find the number.
9514 1404 393
Answer:
66
Step-by-step explanation:
Let n represent the number.
n +23 = 2n -43
66 = n . . . . . . . . add 43-n to both sides
The number is 66.
_____
Check
23 added to the number is 89
43 less than twice the number is 132 -43 = 89 . . . . as it should be
9x2+8x(5x-4) simplify
Answer:
40x --14
Step-by-step explanation:
Multiply 9 and 2 to get 18
Use distribute property
Multiply 8 by 5x -15
Subtract 32 from 18 = -14
The image represents what geometric construction? A) Copy a triangle construction B) Copy a segment construction C) Parallel lines construction D) Perpendicular bisector and midpoint
Answer:
d perpendicular bisected and midpoint
Three angles of a quadrilateral are 75,120, 90,then the fourth angle..
Answer:
75
General Formulas and Concepts:
Pre-Algebra
Order of Operations: BPEMDAS
Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to RightEquality Properties
Multiplication Property of Equality Division Property of Equality Addition Property of Equality Subtraction Property of EqualityGeometry
Sum of Angles in a Quadrilateral: 360Step-by-step explanation:
Step 1: Set up
75 + 120 + 90 + ∠4 = 360
Step 2: Solve
Add: 285 + ∠4 = 360[Subtraction Property of Equality] Subtract 285 on both sides: ∠4 = 75Algebra Question
Let v = (-7,6,-6) and w = (-5,-3,-6) be vectors in R^3. Find the orthogonal projection of v onto w.
Answer:
Projection on w: (-54/14, -159/70, -159/35)
I have the correct answer but I don't know how they got it.
The orthogonal projection of vector v onto vector w in R^3 is (-54/14, -159/70, -159/35).
To find the orthogonal projection of v onto w, we need to calculate the scalar projection of v onto w and multiply it by the unit vector of w. The scalar projection of v onto w is given by the formula:
proj_w(v) = (v⋅w) / (w⋅w) * w
where ⋅ denotes the dot product.
Calculating the dot product of v and w:
v⋅w = (-7)(-5) + (6)(-3) + (-6)(-6) = 35 + (-18) + 36 = 53
Calculating the dot product of w with itself:
w⋅w = (-5)(-5) + (-3)(-3) + (-6)(-6) = 25 + 9 + 36 = 70
Now, substituting these values into the formula, we have:
proj_w(v) = (53/70) * (-5,-3,-6) = (-54/14, -159/70, -159/35)
Therefore, the orthogonal projection of v onto w is (-54/14, -159/70, -159/35).
In simpler terms, the orthogonal projection of v onto w can be thought of as the vector that represents the shadow of v when it is cast onto the line defined by w. It is calculated by finding the component of v that aligns with w and multiplying it by the direction of w. The resulting vector (-54/14, -159/70, -159/35) lies on the line defined by w and represents the closest point to v along that line.
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DUE SOON!!! NEED HELP ON THESE TWO QUESTIONS PLEASE!
DUE SOON AND I DONT UNDERSTAND IT!
MANY THANKS!
WILL GET 100 POINTS! PLEASE HELP!!
The restrictions for x and y are given as follows:
3. x ∈ W, y ∈ W.
5. x ∈ W, y ∈ W.
What are the restrictions?To obtain the restrictions, the first step is classifying the variables as either discrete or continuous, as follows:
Discrete variables are countable values, that can assume only whole or integer values, that is, they do not assume decimal values.Continuous variables can assume decimal values, hence they are real values.In this problem, the variables are both resumed as follows:
Number of tickets sold in the Super Bowl.
The possible values are given as follows:
0, 1, 2, ...
Which are countable values, hence discrete, and that also cannot assume negative values, hence they belong to the whole set and not the integer set, thus the restrictions are:
x ∈ W, y ∈ W.
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The first equation of a system of equations is y = -3x + 2. The graph of the system has no solution. Write a possible second equation for the system.
Answer:
see below.
Step-by-step explanation:
For a system of equation to not have a solution, the pair of lines will never intersect. For two lines to never intersect, their slopes will be parallel.
The second equation can be as simple as y = -3x.
The only equation it cannot be with a slope of -3 is y = -3x + 2. This is because that is the same equation and will therefore have an infinite number of solutions.
3x +8y+13x need help ASAP
Answer:
16x + 8y
Step-by-step explanation:
Answer:
16x+8y
Step-by-step explanation:
3x +8y+13x
combine like terms
16x+8y
Ali, Basti and Cian stand at three points A, B and C respectively. Suppose that the measure of angle ABC is 50 degrees , the measure of angle BAC is 60 degrees and Ali is exactly 150 ft away from Basti. Find the distance between Basti and Cian.
To find the distance between Basti and Cian, we can use the law of sines in triangle ABC. The law of sines states that the ratio of the length of a side to the sine of the opposite angle is constant for all sides and their corresponding angles in a triangle.
Let's label the distance between Basti and Cian as "x". We know that the measure of angle ABC is 50 degrees and the measure of angle BAC is 60 degrees. We also know that Ali is exactly 150 ft away from Basti.
Using the law of sines, we can set up the following equation:
sin(50°) / 150 = sin(60°) / x
To solve for "x", we can rearrange the equation:
x = (150 * sin(60°)) / sin(50°)
Using a calculator, we can evaluate the expression:
x ≈ (150 * 0.866) / 0.766
x ≈ 168.4 ft
Therefore, the distance between Basti and Cian is approximately 168.4 ft.
Complete the statement below with the appropriate term. According to John Locke, is how we acquire basic knowledge. Choose the best answer.
Which of the following explains why, in many of the problems, historical data is used?
Information changes rapidly.
It is an opportunity to study history at the same time.
Better math problems can be made from historical data.
Up-to-date information is difficult to find.
According to John Locke, Experience is how we acquire basic knowledge.
What explains why, in many of the problems, historical data is used is; Information changes rapidly.
What is the theory of John Locke?1) John Locke's theory simply means that all knowledge comes exclusively through experience. He argues that at birth the mind is a tabula rasa, that humans fill with ideas as they experience the world through the five senses.
Thus, the missing word in the question is "Experience".
2) The reason why historical data is used in may problems is because Information changes rapidly. The information being circulated currently may be different from that circulated 100 years ago.
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Suppose we want to choose 7 letters, without replacement, from 12 distinct letters. (a) How many ways can this be done, if the order of the choices is not relevant?
Answer:
3991680 or 792
Step-by-step explanation:
12P7 = 3991680
or
12C7 = 792
P = permutation
C = combination
Sorry, I am not sure which answer is correct or if any of the answers are correct.
Please answer this ASAP only right answers A.) 5 B.) 8 C.) 14 D.) 9
Answer: The answer is 9
Step-by-step explanation: 9 is the number and thats what median means.
Answer:
D.) 9
Step-by-step explanation:
The box and whisker plot gives you the answer about the median. It's mainly just the middle line of the box.
I need this answer plz and thx
Answer:
36.4/26 = 1.4
Step-by-step explanation:
Find the slope of the line that goes through the given points. 1) (3, -5), (7,-6)
Answer:
slope = - \(\frac{1}{4}\)
Step-by-step explanation:
Calculate the slope m using the slope formula
m = \(\frac{y_{2}-y_{1} }{x_{2}-x_{1} }\)
with (x₁, y₁ ) = (3, - 5) and (x₂, y₂ ) = (7, - 6)
m = \(\frac{-6-(-5)}{7-3}\) = \(\frac{-6+5}{4}\) = - \(\frac{1}{4}\)
How many pennies, how many dimes,how many nickels, and how many quarters
Let n represents the number of nickel
Let p represents the number of pennies
Let d represents the number of dimes
Let q represents the number of quarters
Recall that
1 nickel = $0.05
1 penny = $0.01
1 dime = $0.1
1 quarter = $0.25
From the information given,
n + p + d + q = 12-------------------------------------------------(1)
0.05n + 0.01p + 0.1d + 0.25q = 1.67-------------------------(2)
p = n --------------------------------------------------------------------(3)
n + d = q ----------------------------------------------------------------(4)
Solving the four equations simultaneously, we have
Substitute equations (3) and (4) into equations (1) and (2)
n + n + d + n + d = 12
0.05n + 0.01n + 0.1d + 0.25(n + d) = 1.67
3n + 2d = 12-----------------------------------------(5)
0.31n + 0.35d = 1.67--------------------------------(6)
multiply equation (6) by 200 and equation (5) by 35, we have
105n + 70d=420------------------(7)
62n + 70d =334--------------------(8)
subtract equation (8) from (7)
43n = 86
n=86/43
n=2
put n=2 into equation (8)
62(2) + 70d = 334
124 + 70d = 334
70d = 334 - 124
70d = 210
d = 210/70
d=3
but p = n = 2
p = 2
n + d = q
q = 2 + 3 = 5
Hence, max have
2 nickels, 2 pennies, 3 dimes, 5 quarters
John wishes to choose a combination of two types of cereals for breakfast - Cereal A and Cereal B. A small box (one serving) of Cereal A costs $0.50 and contains 10 units of vitamins, 5 units of minerals, and 15 calories. A small box (one serving) of Cereal B costs $0.40 and contains 5 units of vitamins, 10 units of minerals, and 15 calories. John wants to buy enough boxes to have at least 500 units of vitamins, 600 units of minerals, and 1200 calories. How many boxes of each cereal should he buy to minimize his cost?
Let's assume that John buys x boxes of Cereal A and y boxes of Cereal B. Then, we can write the following system of inequalities based on the nutrient and calorie requirements:
10x + 5y ≥ 500 (minimum 500 units of vitamins)
5x + 10y ≥ 600 (minimum 600 units of minerals)
15x + 15y ≥ 1200 (minimum 1200 calories)
We want to minimize the cost, which is given by:
0.5x + 0.4y
This is a linear programming problem, which we can solve using a graphical method. First, we can rewrite the inequalities as equations:
10x + 5y = 500
5x + 10y = 600
15x + 15y = 1200
Then, we can plot these lines on a graph and shade the feasible region (i.e., the region that satisfies all three inequalities). The feasible region is the area below the lines and to the right of the y-axis.
Next, we can calculate the value of the cost function at each corner point of the feasible region:
Corner point A: (20, 40) -> Cost = 20
Corner point B: (40, 25) -> Cost = 25
Corner point C: (60, 0) -> Cost = 30
Therefore, the minimum cost is $20, which occurs when John buys 20 boxes of Cereal A and 40 boxes of Cereal B.
Simplify . (1/c + 1/h)/(1/(c ^ 2) - 1/(r ^ 2))
Answer:
\(\frac{\left(h+c\right)cr^2}{h\left(r^2-c^2\right)}\)
Step-by-step explanation:
\(\frac{\frac{1}{c}+\frac{1}{h}}{\frac{1}{c^2}-\frac{1}{r^2}}\)
Combine \(\frac{1}{c} + \frac{1}{h}\)
\(\frac{\frac{h+c}{ch}}{\frac{1}{c^2}-\frac{1}{r^2}}\)
Combine the bottom, too.
\(=\frac{\frac{h+c}{ch}}{\frac{r^2-c^2}{c^2r^2}}\)
Apply the fraction rule
\(=\frac{\left(h+c\right)c^2r^2}{ch\left(r^2-c^2\right)}\)
Cancel
\(=\frac{\left(h+c\right)cr^2}{h\left(r^2-c^2\right)}\)
Therefore, \(\frac{\left(\frac{1}{c}+\frac{1}{h}\right)}{\left(\frac{1}{\left(c^2\right)}-\frac{1}{\left(r^2\right)}\right)}:\quad \frac{\left(h+c\right)cr^2}{h\left(r^2-c^2\right)}\)
Here are the heights (in inches) of 12 students in a seminar. 71, 67, 62, 60, 70, 64, 68, 72, 58, 63, 60, 66 What is the percentage of these students who are shorter than 65 inches? 1% X 5
25% of the students in the seminar are shorter than 65 inches.
To find the percentage of students who are shorter than 65 inches, we first need to find the number of students whose height is less than 65 inches:
There are three students who are shorter than 65 inches: 62, 60, and 58.
Therefore, the percentage of students who are shorter than 65 inches is:
(3 students / 12 students) × 100% = 25%
Note that the value given for 1% × 5 does not appear to be relevant to this question, and is not necessary for the calculation of the percentage of students who are shorter than 65 inches.
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When a polling company calls a telephone number at random, there is only a 9% chance that the call reaches a live person and the survey is successfully completed. Suppose the random digit dialing machine makes 15 calls. Let X = the number of calls that result in a completed survey.
(a) Calculate and interpret the mean of X.
(b) Calculate and interpret the standard deviation of X
Answer:
(Part A) I know the mean of x will be 1.35
Step-by-step explanation:
Just do 9 percent of 15, I nessecarly dont know how to do that math but I looked it up and gave me 1.35. and you got the mean. here is the homework my teacher gave me : I hope this helps
Answer the problem 19-6 + 12 = 19 - 18 =
Answer:
False
Step-by-step explanation:
One week, a farmer picked 388 pounds of apples. The next week, she
picked 301 pounds of apples. Which shows how many pounds of apples
she picked in all?
A 388 divided 301
B 388 + 301
388-301
D 388 x 301
HURRY
Answer:
388+301
Step-by-step explanation:
its saying in all so it walnts you to add bothe the total amounts of apples :))
Find the value of y.
The value of y is 4√3
What are similar triangles?Similar triangles have the same corresponding angle measures and proportional side lengths. The corresponding angles of similar triangles are congruent or equal.
Also , the ratio of corresponding sides of similar triangles are equal.
There are two triangles that are similar
Therefore;
y /16 = 4/y
y² = 48
y = √48
y = √16 × √ 3
y = 4√3
Therefore, the value of y is 4√3
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Evaluate 1/3 ·5/6 . answers 5/18 6/15 1/15 3/30
Answer:
The answer is 5/18
Step-by-step explanation:
Multiplying 1/3 by 5/6 means multiplying the numerators first (the values up)
which are 1 *5=5
and the multiply the denominators (the values down)
3*6=18
so the answer is 5/18
2n-31=10n-63 please help me
Answer:
n=4
Step-by-step explanation:
Which three criteria do binomial experiments meet? There are only two trials. The trials are independent. There are only two outcomes per trial. Each outcome is repeatable. The probability of success is the same for each trial.
The three criteria that binomial experiments meet are :
The trials are independent. There are only two outcomes per trial. The probability of success is the same for each trial.What criteria should binomial experiments meet ?The experiment is referred to as a binomial experiment since there are only two possible output values in a binomial experiment. In the case of binomial experiments, the number of independence variables is fixed.
In the case of binomial experiments, the number of independence variables is fixed. The total number of output values for the binomial experiment is 2. For the binomial experiment, each of the two outputs has a 50% chance of happening—50% for success and 50% for failure.
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Answer:
B. The trials are independent.
C. There are only two outcomes per trial.
E. The probability of success is the same for each trial.
Step-by-step explanation:
and then
B. a survey asking 50 people if they like pizza
C. a survey measuring 50 people to see if they are over 6 feet tall
What value is needed to complete the square? Show all steps.
x^2-6x+__
Given the equation 5(-2x -10) = 25(x + 1), solve for the value of x that will make the equation true.
Answer:
Step-by-step explanation:
5(-2x -10) = 25(x + 1)
-10x - 50 = 25x + 25
by transposing
-10x - 25x = 25 + 50
-35x = 75
x = -75/35
x = 15/7
or 2.142857..... in decimal
Hope this helps
plz mark as brainliest!!!!!!!
Please I need an answer
Answer:
D. No x-intercept, y-intercept 9
Step-by-step explanation:
The line intercepts at (0, 9)