Martha is saving money to buy a new computer that costs $1800. She received $200 for her birthday and has a job where she makes $150 each week.
a) Make a table and a graph for this situation.
b) Explain how you can use the table or graph to predict how many weeks it will take Martha to earn enough money to pay for the new computer.
c) Explain how you can tell from both the table and the graph whether this is an example of linear or non-linear growth.
a) A table and a graph for this situation is shown in the image below.
b) You can use the table or graph to predict how many weeks it will take Martha to earn enough money to pay for the new computer by comparing the week when her savings are both equal.
c) Since the x-value and y-value in both the table and the graph increase simultaneously, it is an example of linear growth.
How to complete the table and graph the function?In this scenario, the variable x would represent the number of weeks while the variable y would represent the total amount of savings. Since Martha received $200 for her birthday and makes $150 each week, a linear equation in slope-intercept form that models the situation is given by;
y = mx + c
y = 150x + 200
Next, we would use an online graphing calculator to make a table and a graph for this situation as shown in the image attached below.
Part b.
The table and the graph both have the total amount of savings (y) equal to $1,850 when x is equal to 11 weeks. This ultimately implies that, it would take Martha between 11 weeks to save enough money to buy this new computer.
Part c.
By critically observing the table and the graph, we can logically deduce that there is a linear relationship between the variables because both the x-value and y-value increase simultaneously.
Therefore, this is an example of a linear growth.
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Missing information:
The question is incomplete and the complete question is shown in the attached picture.
What is the place value of 2 in 369.425
Answer:
The two is in the hundredths place
Step-by-step explanation:
369.425
hundreds tens ones. tenths hundredths thousandths
3 6 9 . 4 2 5
The two is in the hundredths place
Answer:
The place value of 2 in 369.425 is hundredths.
The number 369.425 is a decimal number. It has a whole number part (369) and a decimal part (0.425). The decimal part is divided into tenths, hundredths, thousandths, and so on. The 2 is in the hundredths place.
Step-by-step explanation:
calculus pls help guys
Calculus a broad subject that covers many topics such as derivatives, integrals, limits, and functions.
Calculus is a branch of mathematics that focuses on the study of change and motion. It provides a framework for understanding and analyzing quantities that vary continuously. The two main branches of calculus are differential calculus and integral calculus.
Differential calculus deals with the concept of derivatives. A derivative measures how a function changes as its input (usually denoted as x) changes. Geometrically, the derivative represents the slope of a function at a particular point. It can also be interpreted as the instantaneous rate of change of a function at a given point. Derivatives have various applications, such as determining the maximum or minimum values of functions, analyzing the behavior of functions, and solving optimization problems.
Integral calculus, on the other hand, focuses on the concept of integrals. An integral is a mathematical operation that measures the accumulation of quantities or the area under a curve. It essentially reverses the process of differentiation. Integrals can be used to compute the total change or accumulation of a quantity over a given interval, find the area of irregular shapes, and solve problems involving rates of change.
Calculus plays a fundamental role in many scientific and engineering disciplines. It is used extensively in physics, engineering, economics, computer science, and many other fields to model and solve real-world problems involving continuous change. The study of calculus also forms the basis for higher-level mathematics such as differential equations, vector calculus, and multivariable calculus.
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Johnny bought a variety of fruit to bring to a party. Johnny randomly selected a
piece of fruit from the bag.
What is the probability that Johnny chooses an apple or a pear?
Determine the correct answer for each box. Not all answers will be used.
11
• 24 bananas
.
• 15 apples
• 11 pears
.
13
15
Box A
Box B
24
25
50
If bought a variety of fruits to bring to a party, the probability that Johnny chooses an apple or a pear after making a random selection from the bag is 0.066 or 6.6%.
What is the probability?The probability that Johnny chooses an apple or a pearl is the chance that either an apple or a pearl is chosen from the 50 pieces of fruits, which is determined by the multiplication of the two probabilities.
Probability refers to the likelihood of achieving an expected outcome or result amid the possibility of many outcomes.
Fruits Units
Bananas 24
Apples 15
Pear 11
Total 50
The Probability of choosing a banana = 0.48 (24 ÷ 50)
The chance of choosing an apple = 0.3 (15 ÷ 50)
The likelihood of choosing a pear = 0.22(11 ÷ 50)
The probability of choosing an apple or a pear = 0.066 (0.3 x 0.22)
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Which function is represented by this graph?
Answer:
its A
Step-by-step explanation:
I will mark you the brainiest.
The sentences in this paragraph best support the idea that the printing press was an important invention A. They provide examples showing the impact of the printing press on varied groups of people.
Why was the printing press important ?With the greater availability of books, people were spurred to develop necessary skills in reading, thus resulting in higher literacy rates and a enhanced societal benefit.
Subsequently, due to simpler, more exact shares of data through printing, scientific progress was greatly boosted. Moreover, churches had the chance to further propagate their supernatural ideas with the aid of the printing press.
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2.3
QUESTION 2
2.1 Given: T-n²-10n-30
2.2
2.1.1 Which term is the minimum?
(2)
2.1.2 Determine the value of the minimum term?
(2)
A geometric sequence consists of only positive terms. If the 5th term is divided
by the 3rd term, the answer is 4. The 4th term is equal to 16.
Determine:
2.2.1 the first term and the common ratio
2.2.2 the sum of the first 18 terms of the sequence
Determine the value of x if:
108/2) 520
n=1
(5)
There is not enough information to answer the first question.
For the second question, first term = 2, common ratio = 2
What is a geometric sequence?A geometric sequence is a set of numbers where each term following the first is obtained by multiplying the term before it by a fixed quantity, called the common ratio. In other terms, a geometric sequence is one in which every term's ratio to the term before it is constant.
We know that;
T5/T3 = 4
T5 =[tex]ar^4[/tex]
T3 = [tex]ar^2[/tex]
Then;
4 = [tex]ar^4/ar^2[/tex]
4 =[tex]r^2[/tex]
r= 2
Again we have that;
T4 = 16
T4 =[tex]ar^3[/tex]
16 = [tex]a(2)^3[/tex]
a = 2
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tex]3x+4y+-23\\5x+y+-23[/tex]
The solution to the system of equations is x ≈ -4.06 and y ≈ -2.7.
It seems you have provided a system of linear equations. The system can be represented as:
3x + 4y = -23
5x + y = -23
This system can be solved using various methods such as substitution, elimination, or matrix methods. Let's solve it using the method of substitution.
From the second equation, we can express y in terms of x:
y = -23 - 5x
Substituting this value of y into the first equation:
3x + 4(-23 - 5x) = -23
Simplifying the equation:
3x - 92 - 20x = -23
-17x - 92 = -23
-17x = 69
x = -69/17
x ≈ -4.06
Substituting this value of x back into the second equation to find y:
5(-4.06) + y = -23
-20.3 + y = -23
y = -23 + 20.3
y ≈ -2.7
Therefore, the solution to the system of equations is x ≈ -4.06 and y ≈ -2.7.
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Which of the following are solutions to the equation below?
Check all that apply.
4x²2²-12x+9=5
A. x= √√√4-3
B. x= -√5 + 3/
C. x = = √5+3
□ D. x = √5 + ²/
Ex= √5+3
2
☐
F. x= -√4-3
The solutions to the equations are; x = = √5+3 and x= -√5 + 3
The given equation is 4x²2²-12x+9=5
we get, 4x²2²-12x+9=5
Dividing both sides by 25, we get
4x²2²-12x= -4
Taking square root on both sides, we get
x= -√5 + 3
x = √5+3
Therefore, x = = √5+3 and x= -√5 + 3
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Pls help me find the area!!!
Answer:
Step-by-step explanation:
11+6+21+18=56 ft
squared
A firm forecasts that it will have the free cash flows (in millions) shown below. Year 1 2 3 Free cash flow −$20.00 $48.00 $54.00 a. If the weighted average cost of capital is 14% and the free cash flows are expected to continue growing at 12.5% what is the firm's total corporate value, in millions? b. What should the stock price be if the firm has $1,500 million in debt and 5 million shares outstanding?
Find the smallest angle of ASTU. Assume that b is a
positive number.
The smallest angle that is in the triangle STU is 9 degrees.
How do we solve a triangle?A triangle can be solved by using information provided to determine the triangle's unknown side lengths and angles. Depending on the information at hand, a triangle can be solved in a variety of ways as we see here.
To find the side u
[tex]u^2 = (41b)^2 + (44b)^2 - 2(41b * 44b)Cos 128\\u^2 = 1681b^2 + 1936b^2 - 3608b^2Cos 128\\u^2 = 3617b^2 - 2221b^2\\u^2 = 1396b^2[/tex]
u = 37b
Then Using the sine rule;
a/Sin A = b/Sin B
37b/Sin 128 = 41b/SinB
B = sin-1 (41b * Sin 128/37b)
B = 61 degrees
Then;
C = 180 - (128 + 61)
C = 9 degrees
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HELP PLEASE! Find the base angles of the figure below.
A) 130°
B) 65°
C) 25°
D) 50°
The base angles are of 25 degree.
Given that
Two sides are equal
And one angle of triangle = 130 degree
We know that,
Triangles are three-sided polygons that can be categorized as equilateral, isosceles, or scalene depending on how long their sides are.
And triangles with two equal sides are known as isosceles triangles and
it has two equal angle also.
Therefore,
let the angle is x degree
And we know that sum of interior angles of triangle is 180 degree.
Then,
x + x + 130 = 180
2x = 50
x = 25
Hence the required angles are of 25 degree.
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Furniture center offers trade discounts and additional discounts to encourage orders. What is the net price per item if each invoice total is high enough to get additional discount
The customer would pay a net price of $760 per item after all discounts have been applied. It's important to note that the Actual discount percentage and net price per item may vary depending on the terms of the sale and the specific furniture center's policies.
Furniture centers often offer trade discounts to their customers to encourage orders. A trade discount is a reduction in the listed price of a product or service that is offered to trade customers, such as retailers, wholesalers, or other businesses. The discount is usually a percentage of the list price, and the actual amount of the discount depends on the quantity of the product ordered and the terms of the sale.
In addition to trade discounts, furniture centers may offer additional discounts to their customers who meet certain criteria. For example, they may offer a percentage discount for orders over a certain amount or for customers who pay in full at the time of purchase. These additional discounts are intended to encourage customers to place larger orders and to reward them for their loyalty to the furniture center.
To calculate the net price per item, you need to know the list price of the item, the trade discount percentage, and any additional discounts that may apply. For example, let's say that the list price of a piece of furniture is $1,000, and the trade discount offered by the furniture center is 20%. If the customer's invoice total is high enough to qualify for an additional discount of 5%, the net price per item would be calculated as follows:
List price: $1,000
Trade discount: 20% x $1,000 = $200
Price after trade discount: $1,000 - $200 = $800
Additional discount: 5% x $800 = $40
Net price per item: $800 - $40 = $760
So, the customer would pay a net price of $760 per item after all discounts have been applied. It's important to note that the actual discount percentage and net price per item may vary depending on the terms of the sale and the specific furniture center's policies.
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Graph the numbers on the number line.
–4 and 3
The number line with the numbers -4 and 3 graphed is given by the image presented at the end of the answer.
How to graph the numbers on the number line?The origin point on the number line is given as follows:
0.
Hence positive numbers and negative numbers are plotted as follows:
Positive numbers are plotted to the right of zero on the number line.Positive numbers are plotted to the left of zero on the number line.The numbers for this problem are given as follows:
-4 and 3.
Hence they are plotted as follows:
-4 is plotted four units to the left of zero on the number line.3 is plotted three units to the right of zero on the number line.More can be learned about number line at https://brainly.com/question/24644930
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The yearly Avrage
4. An old furnace cost $850 per year to run. A new one costs $2,500 to buy and will save 34% annually in
energy costs to run it. In how many years will it pay for itself?
Answer:
9 years
Step-by-step explanation:
To determine the number of years it will take for the new furnace to pay for itself, we need to compare the cost of running the old furnace for that period with the cost of buying and operating the new furnace during the same time.
Let's calculate the cost of running the old furnace for one year:
Old furnace cost per year = $850
Now, let's calculate the savings in energy costs for the new furnace:
Savings in energy costs per year = 34% of $850
= 0.34 * $850
= $289
The total cost of buying and operating the new furnace for one year is:
New furnace cost per year = Cost of buying the new furnace + Savings in energy costs per year
= $2,500 + $289
= $2,789
To find the number of years it will take for the new furnace to pay for itself, we divide the cost of the new furnace by the annual savings:
Number of years to pay for itself = Cost of buying the new furnace / Annual savings
= $2,500 / $289
≈ 8.65
Since we cannot have a fraction of a year, we can round up to the nearest whole number. Therefore, it will take approximately 9 years for the new furnace to pay for itself.
A city is now 70,000. The population is decreasing, 14 years ago the population was 93,000. Use Pert to find r
The value of r which is the decay rate is calculated as: -0.0203
How to solve Growth or decay functions?The equation for "continual" growth (or decay) is given by the expression:
[tex]A = Pe^{rt}[/tex]
where:
A is the ending amount,
P is the beginning amount (principal, in the case of money)
r is the growth or decay rate (expressed as a decimal),
t is the time (in whatever unit was used on the growth/decay rate).
We are given that:
A = 70000
P = 93000
t = 14
Thus:
70000 = 93000 * [tex]e^{14r}[/tex]
70/93 = * [tex]e^{14r}[/tex]
14 r = In (70/93)
14r = -0.2841
r = -0.0203
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on a line graph, time is usally represented by which of the following?
Time is usually represented by the x axis
1. What is the theoretical probability that the family has two dogs or two cats?
2. Describe how to use two different coins to simulate which two pets the family has.
3. Flip both coins 50 times and record your data in a table like the one below.
Result Frequency
Heads, Heads
Heads, Tails
Tails, Heads
Tails, Tails
Total 50
1. Based on your data, what is the experimental probability that the family has two dogs or two cats?
2. If the family has three pets, what is the theoretical probability that they have three dogs or three cats?
3. How could you change the simulation to generate data for three pets?
The theoretical probability of having three dogs or three cats is p^3 + q^3.
The theoretical probability of the family having two dogs or two cats depends on the specific probability of each event. Let's assume that the probability of having a dog is 0.5 and the probability of having a cat is also 0.5 (which is a simplification). In this case, the probability of having two dogs is 0.5 x 0.5 = 0.25, and the probability of having two cats is also 0.5 x 0.5 = 0.25. Therefore, the theoretical probability of the family having two dogs or two cats is 0.25 + 0.25 = 0.5 or 50%.
To simulate which two pets the family has using two different coins, we can assign one pet to each coin face (e.g., heads for dog and tails for cat). Then, we can flip both coins and record the outcome to determine which pets the family has. For example, if the first coin shows heads and the second coin shows tails, the family has one dog and one cat.
After flipping both coins 50 times and recording the outcomes in a table, we can calculate the experimental probability of the family having two dogs or two cats. Let's assume that we observed 12 occurrences of two dogs, 10 occurrences of two cats, and 28 occurrences of other outcomes (e.g., one dog and one cat). The experimental probability of the family having two dogs or two cats is (12 + 10) / 50 = 0.44 or 44%.
If the family has three pets, the theoretical probability of having three dogs or three cats can be calculated using a similar approach. Let's assume that the probability of having a dog is p and the probability of having a cat is q (where p + q = 1). Then, the probability of having three dogs is p x p x p = p^3, and the probability of having three cats is q x q x q = q^3. Therefore, the theoretical probability of having three dogs or three cats is p^3 + q^3.
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Power Company signed a 3-year lease for equipment and leased the equipment on September 1, 2022. The lease agreement calls for Power to make monthly lease payments of $8,000, assuming a 8% borrowing rate. The first lease payment begins September 30, 2022.
Required:
A.
Calculate the present value of the lease payments. Please explain how you calculated the present value and the
inputs used and why.
B.
Record the journal entry for the lease on September 1, 2024.
A) The present value of the lease payments can be computed as $255,294.44, using the lease period, borrowing rate, and the monthly lease payments in the online finance calculator as parameters.
B) The journal entry for the lease on September 1, 2024 is as follows:
Journal Entry:September 1, 2024:
Debit Lease Expense $8,000
Credit Lease Payable $8,000
(To record the lease liability, payable on September 30, 2024.)
How the present value is determined:The present value of the lease payments can be computed using an online finance calculator as follows:
A) Present Value of the Lease Payments:N (# of periods) = 36 months (3 years x 12)
I/Y (Interest per year) = 8%
PMT (Periodic Payment) = $8,000
FV (Future Value) = $0
Results:
Present Value (PV) = $255,294.44
Sum of all periodic payments = $288,000.00
Total Interest = $32,705.56
B) Transaction Analysis:September 1, 2024:
Lease Expense $8,000 Lease Payable $8,000
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summarize the relationship between the number of Faces, the number of Vertices and the number of Edges of a three-dimensional object
Answer:
The relationship between the number of faces, vertices, and edges of a three-dimensional object is described by Euler's formula, which states that for any polyhedron (a solid object bounded by flat faces), the number of faces (F), vertices (V), and edges (E) satisfy the equation F + V - E = 2. This formula is true for any convex polyhedron, such as a cube or a regular tetrahedron.
The formula is based on the fact that every face of a polyhedron is bounded by a closed loop of edges, and each vertex is where three or more edges meet. The total number of edges is the sum of the number of edges around each face, which is equal to twice the number of faces since each edge is shared by two faces, and the number of edges meeting at each vertex, which is equal to the degree of the vertex (the number of edges meeting at the vertex).
Therefore, by knowing the number of faces, vertices, and edges of a three-dimensional object, we can determine if it is a convex polyhedron and use Euler's formula to check if the numbers are consistent with a solid shape.
Amazon is having a sale where items are sold for 15% less than the original price. If Amy bought a new coat for a sale price of $50, what was the original price of the coat?
(Round your answer to the nearest cent.)
i am a number between 17 and 25 i am a multiple of 3..... 6 is not a factor of mine
Write the equation of a line in slope-intercept form that passes through the points (-2 , 4) and (3 , 9).
The equation of the line that passes through the points (-2, 4) and (3, 9) is y = x + 6.To find the equation of a line in slope-intercept form (y = mx + b), we need to determine the slope (m) and the y-intercept (b) using the given points (-2, 4) and (3, 9).
First, let's find the slope (m) using the formula:
m = (y2 - y1) / (x2 - x1)
Substituting the values from the points:
m = (9 - 4) / (3 - (-2)) = 5 / 5 = 1
Now that we have the slope, we can proceed to find the y-intercept (b). We can choose either of the given points to substitute into the equation.
Using the point (-2, 4):
4 = 1(-2) + b
4 = -2 + b
b = 6
Therefore, the y-intercept (b) is 6.Now we have the slope (m = 1) and the y-intercept (b = 6), so the equation of the line in slope-intercept form is:
y = x + 6.
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Can someone help me with this?
The value of the functions are;
a. x = 5/6
b. x> 5/6
c. x = 1
d. x ≤ 1
How to determine the functionsNote that functions are defined as laws or rules showing the relationship between two variables
From the information given, we have that;
f(x) = 6x - 5
g(x) = -5x + 6
To determine the functions, we have;
f(x) = 0
6x - 5 = 0
collect like terms
6x = 5
x = 5/6
f(x) > 0
6x - 5> 0
6x > 5
x> 5/6
f(x) = g(x)
6x - 5 = -5x + 6
collect like terms
11x = 11
x = 1
f(x) ≤ g(x)
6x - 5 ≤ - 5x + 6
collect like terms
11x ≤ 11
x ≤ 1
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50 Points! Multiple choice algebra question. Solve e^x>2.7. Photo attached. Thank you!
Answer:
Your answer is C and D. :)
Step-by-step explanation:
How does the amount of vitamin C in each type of juice compare? Complete the statement
One serving of tomato
juice has
? mg more vitamin C per serving
than one serving of ?
KC
juice.
DONE
D
One serving of tomato juice has mg of more vitamin C per serving is 90mg.
We are given that;
Tomato juice percentage of vit c
Now,
The Daily Value (DV) for vitamin C is 90 mg for adults and children aged 4 and older. This value is used to calculate the percent DV that you see on nutrition labels. So, if one serving (1 cup or 240 ml) of 100% canned tomato juice contains 74% of the DV for vitamin C, this means that one serving contains approximately 66.6 mg of vitamin C
Solving this calculation;
0.74 x 90 mg = 66.6 mg
The DV for vitamin C=90 mg.
Therefore, by percentage the answer will be 90mg.
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Find the derivative
guys can you please help me thank you sm
The derivative of [tex]f(x) = \sinh{(7e^x + 2)}[/tex] is given as follows:
B. [tex]7e^x\cosh{(7e^x + 2)}[/tex]
How to obtain the derivative?The function in this problem is given as follows:
[tex]f(x) = \sinh{(7e^x + 2)}[/tex]
This function is a composite function, hence we use the chain rule for derivatives, which state that:
If f(x) = f(g(x)) then f'(x) = g'(x)f'(g(x)).
The inner and outer functions are given as follows:
Inner function [tex]g(x) = 7e^x + 2[/tex].The outer function is given as follows: sinh(x).The derivative of the hyperbolic sine is given as follows:
cosh(x).
(derivative of the outer function).
The derivative of the exponential is given as follows:
[tex](7e^x + 2)^{\prime} = 7e^x[/tex]
(derivative of the inner function).
Hence the derivative of the function is given as follows:
[tex]7e^x\cosh{(7e^x + 2)}[/tex]
(application of the chain rule).
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450 cm into m and cm
Answer:
450 cm in meter is 4.5 meters
Step-by-step explanation:
450cm = 4.5m
A retail chain will buy 800 televisions if the price is $350 each and 1200 if the price is $300 each.
A wholesaler will supply 700 of these televisions at $280 each and 1400 at $385 each.
The market equilibrium point is a supply of 1000 at $325
Finding the market equilibrium pointWe have the demand of
800 televisions at $3501200 televisions at $300So, the demand equation is a linear equation that passes through
(800, 350) and (1200, 300)
This equation is
d(x) = -x/8 + 450
We have the supply of
700 televisions at $2801400 televisions at $385So, the supply equation is a linear equation that passes through
(700, 280) and (1400, 385)
This equation is
s(x) = 3x/20 + 175
At the market equilibrium point, we have
d(x) = s(x)
So, we have
3x/20 + 175 = -x/8 + 450
This gives
x = 1000
Also, we have
s(1000) = 3 * 1000/20 + 175
s(1000) = 325
This means that the market equilibrium point is a supply of 1000 at $325
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Complete question
A retail chain will buy 800 televisions if the price is $350 each and 1200 if the price is $300. A wholesaler will supply 700 of these televisions at $280 each and 1400 at $385 each.
Assuming that the supply and demand functions are linear, find the market equilibrium point