Answers
Answer:
8
Step-by-step explanation:
\(f(x)=-x+3\\\\f(-5)=-(-5)+3\\\\f(-5)=5+3\\\\\boxed{f(-5)=8}\)
Hope this helps.
Related Questions
system developers can initiate a formal project as early as the preliminary investigation stage, or later on, as analysis, design, and implementation activities occur. T/F
Answers
True. System developers can initiate a formal project as early as the preliminary investigation stage, or later on, as analysis, design, and implementation activities occur.
When considering the initiation of a formal project, system developers need to assess the risks, costs, benefits, and constraints associated with the project. During the preliminary investigation stage, they conduct a feasibility study to determine whether the project is technically feasible, economically viable, and socially and legally acceptable. If the feasibility study shows that the project is feasible, the developers can initiate the project by defining its scope, objectives, deliverables, and requirements.
Once the project is initiated, the developers can proceed with the analysis, design, and implementation activities. The analysis phase involves gathering and documenting the requirements, analyzing the existing system, and identifying the functional and non-functional requirements of the new system.
True. System developers can initiate a formal project as early as the preliminary investigation stage, or later on, as analysis, design, and implementation activities occur. The decision on when to initiate a formal project depends on several factors, such as the complexity of the system, the available resources, and the level of certainty about the feasibility of the project.
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Can a triangle have sides with the given lengths?
2 yd, 9 yd, 10 yd
Answers
Answer: Yes
Step-by-step explanation: The sum of the length of the 2 smaller side must be greater than the biggest side (hypotneus) So yes, 9+2=11 which is greater than 10.
A sample of 40 endangered species was obtained and the length of time (in months) since being placed on the list was recorded for each species. A stemplot of these data follows. In the stemplot, 5|2 represents 52 months. What would be a better way to represent this data set?
Answers
The stemplot may not be the most effective way to represent this data set since it can become cumbersome and difficult to interpret, especially for larger data sets.
A better way to represent this data set would be to use a histogram or a frequency table. These methods provide a clearer visualization of the distribution of the data and allow for easier analysis and comparison.
A histogram divides the range of the data into intervals or bins and represents the frequency or count of observations within each bin using bars. This allows for a visual representation of the distribution and helps identify patterns, central tendencies, and potential outliers.
Alternatively, a frequency table can be created by grouping the data into intervals and recording the number of observations falling into each interval. This table provides a concise summary of the data distribution and can be used to calculate various statistical measures.
Both the histogram and the frequency table provide a clearer and more concise representation of the data set, making it easier to analyze and draw insights from the information.
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Multiply.
2x^4 (3x³ − x² + 4x)
Answers
Answer: A
Step-by-step explanation:
When multiplying: Numbers multiply with numbers and for the x's, add the exponents
If there is no exponent, you can assume an imaginary 1 is the exponent
2x⁴ (3x³ − x² + 4x)
= 6x⁷ -2x⁶ + 8x⁵
Answer:
A. \(6x^{7} - 2x^{6} + 8x^{5}\)
Step-by-StepLabel the parts of the expression:
Outside the parentheses = \(2x^{4}\)
Inside parentheses = \(3x^{3} -x^{2} + 4x\)
You must distribute what is outside the parentheses with all the values inside the parentheses. Distribution means that you multiply what is outside the parentheses with each value inside the parentheses
\(2x^{4}\) × \(3x^{3}\)
\(2x^{4}\) × \(-x^{2}\)
\(2x^{4}\) × \(4x\)
First, multiply the whole numbers of each value before the variables
2 x 3 = 6
2 x -1 = -2
2 x 4 = 8
Now you have:
6\(x^{4}x^{3}\)
-2\(x^{4}x^{2}\)
8\(x^{4} x\)
When you multiply exponents together, you multiply the bases as normal and add the exponents together
\(6x^{4+3}\) = \(6x^{7}\)
\(-2x^{4+2}\) = \(-2x^{6}\)
\(8x^{4+1}\) = \(8x^{5}\)
Put the numbers given above into an expression:
\(6x^{7} -2x^{6} +8x^{5}\)
Key Wordsdistribution
variable
like exponents
PLEASE HELP WITH STEPS SOLVE IN SCIENTIFIC NOTATION WILL GIVE BRAINLIEST
Answers
Answer:
use this <3 (helps calculate scientific notation) https://www.calculatorsoup.com/calculators/math/scientific-notation-converter.php
Step-by-step explanation:
The costs of carrying inventory do not include: Multiple Choice ordering costs. insurance and handling costs the cost of warehouse space. the interest on funds tied up in inventory If a firm has a break-even point of 20,000 units and the contribution margin on the firm's single product is $3.00 per unit and fixed costs are $60,000, what will the firm's operating income be at sales of 30,000 units? Multiple Choice O $45.000 $90.000 $30.000 $15 000
Answers
The costs of carrying inventory do not include the interest on funds tied up in inventory. The firm's operating income at sales of 30,000 units will be $30,000. The correct answer is $30,000.
Calculate the firm's operating income at sales of 30,000 units, we first need to calculate the total contribution margin, which is the contribution margin per unit multiplied by the number of units sold:
Contribution margin per unit = $3.00
Number of units sold = 30,000
Total contribution margin = $3.00 x 30,000 = $90,000
Next, we can calculate the firm's total operating expenses, which are the fixed costs of $60,000:
Total operating expenses = $60,000
Finally, we can calculate the firm's operating income by subtracting the total operating expenses from the total contribution margin:
Operating income = Total contribution margin - Total operating expenses
Operating income = $90,000 - $60,000
Operating income = $30,000
Therefore, the firm's operating income at sales of 30,000 units will be $30,000. The correct answer is $30,000.
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Solve the given differential equation x^3 y"' - 6y = 0 y(x) = ______ , x > 0
Answers
The solution to the given differential equation is:
\(\[y(x)\ =\ a_0 + a_1x + \frac{1}{4}a_1x^4 + \sum_{n=2}^{\infty} \frac{2a_{n-2}}{(n-2)(n-1)}x^{n+3}\]\)
How did we get the value?To solve the given differential equation
\(x^3y'''\ -\ 6y\ =\ 0,\)
we can use the method of power series. Let's assume a power series solution of the form
\(y(x)\ =\ \sum_{n=0}^{\infty} a_nx^n.\)
Differentiating y(x) with respect to x gives:
\(\[y'(x)\ =\ \sum_{n=0}^{\infty} n a_n x^{n-1}\ =\ \sum_{n=0}^{\infty} (n+1) a_{n+1} x^n\]\)
Differentiating again gives:
\(\[y''(x)\ =\ \sum_{n=0}^{\infty} (n+1)na_{n+1}x^{n-1}\ =\ \sum_{n=0}^{\infty} (n+2)(n+1)a_{n+2}x^n\]\)
Differentiating one more time gives:
\(\[y'''(x)\ =\ \sum_{n=0}^{\infty} (n+2)(n+1)na_{n+2}x^{n-1}\ =\ \sum_{n=0}^{\infty} (n+3)(n+2)(n+1)a_{n+3}x^n\]\)
Substituting these expressions into the differential equation, we have:
\(\[x^3 \sum_{n=0}^{\infty} (n+3)(n+2)(n+1)a_{n+3}x^n - 6 \sum_{n=0}^{\infty} a_n x^n\ =\ 0\]\)
Rearranging the terms and combining like powers of x, we get:
\(\[\sum_{n=0}^{\infty} (n+3)(n+2)(n+1)a_{n+3}x^{n+3} - 6 \sum_{n=0}^{\infty} a_n x^n\ =\ 0\]\)
Now, let's equate the coefficients of like powers of x to zero:
For n=0:
\(\[(3)(2)(1)a_3 - 6a_0 = 0 \implies 6a_3 - 6a_0 = 0 \implies a_3 = a_0\]\)
For n=1:
\(\[(4)(3)(2)a_4 - 6a_1 = 0 \implies 24a_4 - 6a_1 = 0 \implies a_4 = \frac{1}{4}a_1\]\)
\(For \: n\geq 2:
\[(n+3)(n+2)(n+1)a_{n+3} - 6a_n = 0 \implies a_{n+3} = \frac{6a_n}{(n+3)(n+2)(n+1)}\]
\)
Now we can write the solution as:
\(\[y(x)\ =\ a_0 + a_1x + \frac{1}{4}a_1x^4 + \sum_{n=2}^{\infty} \frac{6a_{n-2}}{n(n-1)(n-2)}x^{n+3}\]
\)
Simplifying the series, we get:
\(\[y(x)\ =\ a_0 + a_1x + \frac{1}{4}a_
1x^4 + \sum_{n=2}^{\infty} \frac{2a_{n-2}}{(n-2)(n-1)}x^{n+3}\]
\)
Therefore, the solution to the given differential equation is:
\(\[y(x)\ =\ a_0 + a_1x + \frac{1}{4}a_1x^4 + \sum_{n=2}^{\infty} \frac{2a_{n-2}}{(n-2)(n-1)}x^{n+3}\]\)
where a₀ and a₁ are arbitrary constants to be determined based on the initial conditions or boundary conditions given in the problem.
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What is SSS similarity triangles?
Answers
According to the Side-Side-Side (SSS) criterion, two triangles are similar if "the sides of one triangle are proportionate to (i.e., in the same ratio as) the sides of the other triangle, then their corresponding angles are equal, and the two triangles are similar."
What are similar triangles?
If two triangles' corresponding angles and sides are identical and their corresponding sides are proportional, or if the ratios between the lengths of the corresponding sides are comparable, then two triangles are said to be similar.
According to the Side-Side-Side (SSS) criterion, two triangles are similar if "the sides of one triangle are proportionate to (i.e., in the same ratio as) the sides of the other triangle, then their corresponding angles are equal, and the two triangles are similar."
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Can someone help me answer this?
Answers
Answer:
(30,60)
90mph
Step-by-step explanation:
Please help! Geometry
Determining an unknown angle measure
Answers
The measure of angle 7 is 95°
legs and hypotenuse
Answers
Answer:
Step-by-step explanation:
For a right triangle, the side that is opposite of the right angle is called the hypotenuse. This side will always be the longest side of the right triangle. The other two (shorter) sides are called legs.
One fifth less than the product of seven and a number
Answers
Answer:
Step-by-step explanation:
\(\frac{1}{5}\) ∠ 7x
\(\frac{1/5}{7}\) ∠ x
1/35 ∠x
x ≥ \(\frac{1}{35}\)
Marissa has twice as much money as Frank. Christina has $20 more than Marissa. If Christina has $100, how much money does Marissa have?
Answers
$100-$20 = $80
Marissa has $80
Answer:
Marissa has $80
Step-by-step explanation:
are you sure its asking for Marissas money or Franks money? but its fine if its Marissa too
Christina: 100
Marissa: 20 less than her
So 100-20=80
And Marissa has $80
Just in case, heres how to find Franks money:
100-20=2x
subtract 20 from both sides
80=2x
divide by 2
40=x
And Frank has $40
Evaluate the expression for the given values. mx - y when m=2,2 = 7, and y=5 Enter your answer in the box
' ♡︎シ︎
Answers
Step-by-step explanation:
*PLEASE SEE PHOTO* Puzzle 4 Can you simplify each expression and type the correct code? Please remember to * type in ALL CAPS with no spaces. Puzzle #4 1: Simplify: (X³)-2 3: Simplify: X-2 X² ©2020 Scattolded Math and Science Your answer 2: Simplify: 0 (X)⁰ 4: Simplify: (X-1)3 X4 answer choices B: C: 0 X A: D: X³ G: 1 X6 E: X² H: 1 X4 1 F: 1 I: X12 X Type the 4- letter code into the answer box. All CAPS, no spaces. 0000
Answers
Using the rules of exponents, the code is: GCHB
How to Apply the Rules of Exponents?The rules of exponents are a set of mathematical laws that dictate how to simplify and manipulate expressions that involve exponents. The basic rules of exponents are as follows:
Product Rule: To multiply two exponential terms with the same base, you add the exponents. That is, a^m * a^n = a^(m+n).Quotient Rule: To divide two exponential terms with the same base, you subtract the exponents. That is, a^m / a^n = a^(m-n).Power Rule: To raise an exponential term to another power, you multiply the exponents. That is, (a^m)^n = a^(mn).Zero Rule: Any base raised to the exponent of 0 equals 1. That is, a^0 = 1.Negative Exponent Rule: A base raised to a negative exponent is equal to 1 over the base raised to the positive exponent. That is, a^(-n) = 1/(a^n).Fractional Exponent Rule: A base raised to a fractional exponent (or a radical) is equivalent to taking the nth root of the base raised to the numerator of the fraction. That is, a^(m/n) = (n-th root of a)^m.Applying the rules of exponents, each expression can be simplified as follows:
1. \((x^3)^{-2} = x^{-6} = \frac{1}{x^{6}}\) [G]
2. \((\frac{x^3}{x^0})^0 = (\frac{x^3}{1})^0 = (x^3)^0 = x^0 = 1\) [C]
3. \(\frac{x^{-2}}{x^2} = x^{-2 - 2} = x^{-4} = \frac{1}{x^4}\) [H]
4. \((x^{-1})^3 * x^4 = x^{(-3 + 4)} = x^1 = x\) [B]
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[10] Delicious Desserts Inc. is considering the purchase of pie making equipment that would result in the following annual project cash flows. (a) Using the conventional payback period method, find the payback period for the project. (show work in the table below; use interpolation to improve the final value) (b) Find the payback period using the discounted-payback period method. Assume the cost of funds to be 15%. (show work in the table below; use interpolation to improve the final value)
Answers
The payback period for the project is 3.55 years.
To calculate the payback period using the conventional method, we need to determine the point at which the cumulative cash flow becomes equal to or greater than the initial investment.
Given the following annual project cash flows:
Year 1: $50,000
Year 2: $60,000
Year 3: $70,000
Year 4: $80,000
Year 5: $90,000
Year 6: $100,000
We need to find the payback period when the cumulative cash flow reaches or exceeds the initial investment of $400,000.
By analyzing the cash flows and calculating the cumulative cash flow at the end of each year, we can determine that the payback point falls between year 3 and year 4. The cumulative cash flow at the end of year 3 is $180,000, and the cumulative cash flow at the end of year 4 is $260,000.
To calculate the precise payback period, we interpolate the fraction of the year needed to reach the payback point.
Fraction of the year = (Cumulative cash flow at the end of the year before reaching the payback point - Initial investment) / Cash flow in the payback year
Fraction of the year = ($260,000 - $400,000) / $80,000
Fraction of the year = -0.45
Payback period = Number of years before reaching the payback point + Fraction of the year
Payback period = 4 + (-0.45)
Payback period = 3.55 years
Therefore, using the conventional payback period method, the payback period for the project is 3.55 years.
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Need help with number one
Answers
Answer:-3/2
Step-by-step explanation: transform the expression from 3/4+-9/4 to 3-9/4=-6/4 then reduce 6/4 to -3/2
Taylor went shopping for a new pair of sneakers. Sales tax where she lives is 7%. What number should she multiply the price of the pair of sneakers by to find the total plus tax in one step?
Answers
Answer:
Step-by-step explanation:
To find the total price of a pair of sneakers including sales tax in one step, Taylor should multiply the price of the sneakers by 1 + the tax rate as a decimal.
In this case, the tax rate is 7%, so she would multiply the price of the sneakers by 1 + 0.07 = 1.07.
So if the price of the sneakers is $100, she would calculate the total price including tax as $100 * 1.07 = $107.
Can somebody plz help answer these questions correctly (only if u know how) thanks ! :D
WILL MARK BRAINLIESY WHOEVER ANSWERS FIRST :DDD
Answers
Answer:
21. 12
22. 42
23. 15
24. 6
25. 12
26. 24
Answer:
12 , 42 , 15 , 6, 12 and 24
Step-by-step explanation:
21. 12 ÷ 4 = 3
22. 42 ÷ 6 = 7
23. 15 ÷ 5 = 3
24 6/2 = 3
25. 12/6 = 2
26 24 / 8 = 3
Triangle ABC is similar to triangle XYZ. Find side a.
Answers
Answer:
I think it should be 15...
Step-by-step explanation:
13 * 3 = 39
5 * 3 = 15
Sida "a" of the given triangle ABC is 15.
What are similar triangles?Triangles with the same shape but different sizes are said to be similar triangles. Squares with any side length and all equilateral triangles are examples of related objects. In other words, if two triangles are similar, their corresponding sides are proportionately equal and their corresponding angles are congruent.
Given Triangle ABC and Triangle XYZ are similar triangles. Hence,
AB /BC = XY / YZ
Since, XY =13 , YZ = 5, and AB = 39
Putting these values in the above equation
39/ a = 13/5
a = 15
Therefore, in the given triangle ABC side a is 15.
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Graphs
Question 1: Graphs Consider the function f(x) whose graph is shown below. 4-3-2-1 2 3 4 5 6 7 -2 A) What is the domain and range of f(x)? B) - Draw f(x) and f(x + 3) - 1 on the same graph. • What is
Answers
A) Domain and Range of f(x):
The domain of a function represents all the possible values of x for which the function is defined. From the information provided, it is not clear what the exact domain of the function is. However, assuming that the graph extends indefinitely in both directions, the domain of f(x) is likely to be all real numbers (-∞, +∞).
The range of a function represents all the possible values of f(x) for the given domain. Again, without specific details about the graph, it is difficult to determine the exact range. However, based on the visible portion of the graph, it appears that the range of f(x) lies between the lowest point on the graph and the highest point on the graph.
B) Drawing f(x) and f(x + 3) - 1 on the same graph:
To graph f(x) and f(x + 3) - 1 on the same graph, you would start by plotting the points of the original function f(x). Then, to graph f(x + 3) - 1, you would shift the entire graph of f(x) horizontally by 3 units to the left (since it's x + 3) and vertically down by 1 unit (due to the -1). This transformation reflects the effect of the function f(x + 3) - 1.
By plotting the transformed points, you would be able to see how the graph of f(x + 3) - 1 relates to the function f(x).
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Why do people at school think I'm not very smart when I get A's in every class? I don't really raise my hand a lot in class...... maybe that's why? I also am kind of quiet around some people but I don't act d/umb and whenever I do speak to some of those people, it's always intelligent. I'm the new kid, and at my old school, I was always called smart..... so why do they call me du/mb?
Answers
Answer:
Honestly, I feel you. I've been there. Being the new kid not also brings problems related to your character, but to your feelings. I totally think you're smarter than all your other classmates! :D. Keep being yourself and never let them bring you down. If you fall down and don't feel like getting back up, remember this message!
- Benji :)
Answer:
They may not know very much about you and assume things about you based on things they see and perceive that are separate from the grades that you get and/or they think you aren't intelligent on something to do with your emotions/behavior and/or someone or some amount of people have developed something against you, these are just potential situations.
Step-by-step explanation:
Regardless of what the reason is, move forward with what you do and meet people who enjoy your company. Those who treat you badly are not worth your time. Best of luck!
Which table represents a linear function? ill give you brainliest if you’re right
Answers
I'd appreciate it if you could give a decent explanation for this question. Thank you.
Answers
Answer:
\(17.1\)
Step-by-step explanation:
\(\cos 42^{\circ}=\frac{x}{23} \implies x=23\cos 42^{\circ} \approx 17.1\)
Explanations
what is (10 - 3 x 2) to the power of 2?
Please help!
Answers
Answer:
The answer is 16
Step-by-step explanation:
Multiply -3 by 2
(10-6)^2 ^2=power
subtract 6 from 10
4^2
Raise 4 to the power of 2
16
.
Answer:
16
Step-by-step explanation:
= (10 - 3 x 2) ^ 2
= (10 - 6) ^ 2
= 4 ^ 2
= 16
HOPE THIS HELPS
PLZ MARK BRAINLIEST
find the joint probability distribution function fu,v of (u, v)
Answers
To find the joint probability distribution function f(u, v) of two random variables U and V, follow these steps:
1. Identify the support: Determine the range of values that the random variables U and V can take. The support is the set of all possible (u, v) pairs for which f(u, v) > 0.
2. Define the joint probability function: Using the support, create an equation that describes the probability of each (u, v) pair occurring. The equation should satisfy the conditions of a valid probability distribution function. That is, f(u, v) ≥ 0 for all (u, v) pairs in the support, and the sum (for discrete variables) or integral (for continuous variables) of f(u, v) over the entire support should be equal to 1.
3. Calculate probabilities: Use the defined joint probability distribution function f(u, v) to compute the probabilities of events involving U and V.
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Help plssssssssss? What’s the answerrrr
Answers
Answer:
621200 mg
1.36664 Lb
Step-by-step explanation:
Given;
Cullinan diamond weighed 3106 carats.
1 Carat - 0.2 grams
Question to Answer;
How much does the diamond weigh in milligrams/pounds?
Solve;
Since 1 carat = 0.2 grams
1g = 1000 mg
1g = 0.0022 lb
Thus,
3106 ct = 0.2 * 3106g = 6212g
621.2g = 621.2 * 1000 mg = 621200 mg
621.2g = 621.2 * 0.0022 lb = 1.36664 lb
[RevyBreeze]
to determine if there is a relationship between skin color and beauty judgements, one researcher conducted a study with a random sample of 300 black women. they were given three pictures of super models with varying skin tones: dark (nyakim gatwech), medium (adriana lima), and light (natalia vodianova). each woman was asked to rank them from most to least beautiful. here are the results: dark skin medium skin light skin 1st 55 45 35 2nd 10 45 50 3rd 40 15 5 question 4 of 7 question 4this is not a form; we suggest that you use the browse mode and read all parts of the question carefully. what is the expected count of women who ranked the dark skinned model as being the most beautiful (ranked as
Answers
The expected count of women who ranked the dark-skinned model as the most beautiful is 100.
Since there are three models, we would expect 100/3 = 33.33% of the women to have ranked each model as the most beautiful if there were no relationship between skin color and beauty judgements. Thus, we can calculate the expected count of women who ranked the dark-skinned model as the most beautiful as follows:
Expected count = 300 * 33.33% = 100
Therefore, we can expect that 100 women out of the 300 sampled would have ranked the dark-skinned model as the most beautiful if there were no relationship between skin color and beauty judgements. The observed count of 55 women who ranked the dark-skinned model as the most beautiful is higher than the expected count, which suggests that there may be a relationship between skin color and beauty judgements. However, further statistical tests would be needed to confirm this.
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what is the quotient of the expression
\( \frac{21a {}^{3} b - 14ab {}^{2} + 7ab}{7ab} \)
Answers
PLEASE PLEASE I HAVE ASKED THIS THREE OTHER TIMES AND I NEED HELP PLEASE
The inverse of the exponential function f (x) = 3^x-2 is g (x) = log3 (x) + 2. While the graph of the exponential function is a shift of 2 units (up/down/left/right)
Answers
Answer:
Sorry I don't know.
Step-by-step explanation:
f(X)=g(X)