Let u= -9, 4 , v= 8, -5 . find u-v.

a- -1, -1

b- -13, 13

c- -17, 9

d- -4, -4

Answers

Answer 1

Answer:

C. -17, 9

Step-by-step explanation:

u = -9, 4

v = 8, -5

u - v

= (-9, 4) - (8, -5)

= (-9 - 8), (4 - (-5))

= -17, 9


Related Questions

If DE =11 and CE =27, what is CD?

If DE =11 and CE =27, what is CD?

Answers

Answer:

16

Step-by-step explanation:

Subtract DE from CE and you will get the value of CD

27 - 11 = 16

help please it's due tomorrow

help please it's due tomorrow

Answers

SolutioN:-

\( \{ \: \alpha \: , \: \beta , \: a, \: b \}\)

\( \sf \longrightarrow \: No. \: of \: \: subsets = {2}^{n} \)

where, n denotes to number of elements in set .

Since, given set contains 4 elements .

Thus , 2⁴ {2 raise to power 4} .

\( \sf \longrightarrow \: No. \: of \: \: subsets = {2}^{4} \)

\( \sf \longrightarrow \: No. \: of \: \: subsets = 2 \times 2 \times 2 \times 2\)

\( \sf \longrightarrow \: No. \: of \: \: subsets = 4 \times 4\)

\( \sf \longrightarrow \: No. \: of \: \: subsets = 16\)

Therefore, Required subsets are 16.

They are , Namely;

\( \sf \longrightarrow \: subsets \: = \phi \: \{ \alpha \} \{ \beta \} \{ a\} \{ b\} \: \{ \alpha \beta \} \{ \alpha a\} \{ \alpha b\} \{ \beta a\} \{ \beta b\} \: .....\)

_____________________________

Additional Information:-

If n is the number of elements in the set then,

No. of subsets possible for this subset is 2^n that's the (2 raise to the power n).

Let's take another example, {1,2}

Here, n = 2

subsets =2^2 =4

Subsets = ϕ, {1}, {2},{1,2}

Note :- every set is a subset of itself i.e. {1,2} and ϕ is a subset of every set

Can someone fill this out thanks

Can someone fill this out thanks

Answers

First step in 1 is combining like terms then distribution

The intensity of an earthquake wave passing through the Earth is measured to be 2.8×106 J/m² .s at a distance of 53 km from the source.

(B) At what rate did energy pass through an area of 1.0 m^2 at 2.0 km?​

Answers

The rate at which the energy pass through an area of 1.0 m² at 2.0 km is equal to 1.97 × 10⁹ J/s.

How to calculate the intensity of the earthquake from the source?

At a constant power, the intensity of a wave is inversely proportional to the distance from the source. Mathematically, the intensity of a wave with respect to the distance from a source can be modeled (represented) by this mathematical expression;

I ∝ 1/r²

Where:

I represents the intensity of a wave.r represents the distance from a source.

Next, we would re-write the mathematical expression and then determine the intensity of a wave from source as follows;

I₁/I₂ = r₂²/r₁²

I₁ = I₂(r₂²/r₁²)

Note: We know that its intensity when it passed a point from the source is 2.0 km.

Substituting the given parameters into the formula, we have;

I₁ = 2.8 × 10⁶ × (53²/2²)

I₁ = 1.97 × 10⁹ J/m²s.

Now, we can calculate the rate of the energy by using this formula;

Power = intensity × area

Power = 1.97 × 10⁹ × 1.0

Power = 1.97 × 10⁹ J/s.

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An amount of Birr 500 is deposited in an account at the end of each six-month period with an interest computed at 6% compounded semi-annually. How many years does it take for the amount to reach Birr 56,398.43?​

Answers

It would take approximately 17.12 years for the amount to reach Birr 56,398.43 with a deposit of Birr 500 at the end of each six-month period, compounded semi-annually at an interest rate of 6%.

To solve this problem, we can use the formula for compound interest:

A = P(1 + r/n)^(nt)

Where:

A = Final amount

P = Principal amount (initial deposit)

r = Annual interest rate (in decimal form)

n = Number of compounding periods per year

t = Number of years

In this case, the principal amount is Birr 500, the annual interest rate is 6% (or 0.06), and the interest is compounded semi-annually, so there are 2 compounding periods per year.

We need to find the number of years (t) it takes for the amount to reach Birr 56,398.43.

Let's substitute the given values into the formula and solve for t:

56,398.43 = 500(1 + 0.06/2)^(2t)

Divide both sides by 500:

112.79686 = (1 + 0.03)^(2t)

Take the natural logarithm of both sides to eliminate the exponent:

ln(112.79686) = ln(1.03)^(2t)

Using the property of logarithms, we can bring down the exponent:

ln(112.79686) = 2t * ln(1.03)

Now, divide both sides by 2 * ln(1.03):

t = ln(112.79686) / (2 * ln(1.03))

Using a calculator, we find t ≈ 17.12.

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4tan(x)-7=0 for 0<=x<360

Answers

Answer:

x = 65.26 degrees or x = 245.26 degrees.

Step-by-step explanation:

To solve the equation 4tan(x)-7=0 for 0<=x<360, we can first isolate the tangent term by adding 7 to both sides:

4tan(x) = 7

Then, we can divide both sides by 4 to get:

tan(x) = 7/4

Now, we need to find the values of x that satisfy this equation. We can use the inverse tangent function (also known as arctan or tan^-1) to do this. Taking the inverse tangent of both sides, we get:

x = tan^-1(7/4)

Using a calculator or a table of trigonometric values, we can find the value of arctan(7/4) to be approximately 65.26 degrees (remember to use the appropriate units, either degrees or radians).

However, we need to be careful here, because the tangent function has a period of 180 degrees (or pi radians), which means that it repeats every 180 degrees. Therefore, there are actually two solutions to this equation in the given domain of 0<=x<360: one in the first quadrant (0 to 90 degrees) and one in the third quadrant (180 to 270 degrees).

To find the solution in the first quadrant, we can simply use the value we just calculated:

x = 65.26 degrees (rounded to two decimal places)

To find the solution in the third quadrant, we can add 180 degrees to the first quadrant solution:

x = 65.26 + 180 = 245.26 degrees (rounded to two decimal places)

So the solutions to the equation 4tan(x)-7=0 for 0<=x<360 are:

x = 65.26 degrees or x = 245.26 degrees.

Whats -20x 50????????????

Answers

Answer:

-1,000

Step-by-step explanation:

Answer:

The answer is -1000

Step-by-step explanation:

Hope this helps!

Will mark Brainliest 43 points!!!

Find the standard form of the equation of the parabola with a focus at (7, 0) and a directrix at x = -7.

y = one divided by twenty eightx2
x = one divided by twenty eighty2
-28y = x2
y2 = 14x

Answers

Answer:

x = one divided by twenty eighty2

Step-by-step explanation:

if i get 45/50 in a test how much percentage is it

Answers

Answer:

the answer to your questions is 90%

Select the most important variables and expressions the park owners should consider as they decide whether to add another roller coaster

Answers

Answer:

The park owners should take into account the population of children in the community, if there are a good number of kids living in that area and the towns nearby - there would be a great demand for another roller coaster. They should consider the safety measures on the particular roller coaster they intend to add and check for the available space where they plan to fit the ride in the park.

Hope that answers the question, have a great day!

Is the selection I chose for the last question correct? And I need help with the first question if u don’t mind. Also this is from a homework practice

Is the selection I chose for the last question correct? And I need help with the first question if u

Answers

Answer:

\(\text{minimum ,4.5}\)

Explanation:

Firstly, we need to know if we will have a maximum or a minimum

This is dependent on the value of the coefficient of x^2, if positive or negative

This value dictates the direction in which the graph will face. The value is positive here, and that means the parabola will open up. This makes the extreme point a minimum

Now,let us get its value

We start by finding the first differential of the function

That would give:

\(f^{\prime}(x)\text{ = 4x-6}\)

Now, we equate this to zero and get the value of x

\(\begin{gathered} 4x-6\text{ = 0} \\ 4x\text{ = 6} \\ x\text{ = 6/4} \\ x\text{ = 1.5} \end{gathered}\)

Finally, we go back to substitute this value into the equation

We have this as:

\(\begin{gathered} f(1.5)=2(1.5)^2-6(1.5)\text{ + 9} \\ f(1.5)\text{ = 4.5-9+9 = 4.5} \end{gathered}\)

{-3,0,3} what is it closed under addition, multiplication,both or neither

Answers

{-3,0,3} is closed under multiplication.

What are functions of different types of brackets?

Curly brackets are often used to denote sets in writing. For instance, a set of the integers 3, 4, 5, and 6 is denoted by "3, 4, 5, 6." In a calculus or physics lecture, angular brackets like 1,3> may denote an inner product, and square brackets may denote a matrix. Mathematicians often use brackets to group similar phrases or numbers together, which is a very important use of these symbols. An expression or thing encompassed by brackets is implied to be given precedence over other things by the presence of brackets. The most popular method for enclosing extra information from a third party is to use square brackets (someone other than the original author). In writing, a list of equal options is frequently denoted by curly brackets.

The set consist of numbers -3, 0 and 3 so if we use any combination of those 3 numbers under some operation and get as result one of those 3 numbers that means set is closed under that operation.

for multiplication you get:

0 × 3 = 0

0 × -3 = 0

-3 × 3 = -9

So all combinations used and answers are 0 and -9 which means set is closed under multiplication.

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6/10 of the class has a pet dog. 27/100 of the class has a pet cat. The rest of the class has a pet fish. What fraction of the class has a pet fish?

Answers

Answer:

13/100 have pet fish

Step-by-step explanation:

6/10 = 60/100

60/100 + 27/100 = 87/100 have cats and dogs

that leaves 13/100 have pet fish

please help me, what is the slope?

please help me, what is the slope?

Answers

Answer:

Slope= 8

Y Intercept = 55

Step-by-step explanation:

Answer:

11. 8

12. 55

Step-by-step explanation:

y = 8x + 55

11. slope m = 8

12. y-intercept is when x = 0, y = 55

Four less than the product of a number (x)
and 5 is equal to 8 more than 2 added to
3 times the number. Which of these equa-
tions could be used to find the value of x?

Answers

Answer: The equation used to find the value of x is 5x - 4 = 3x + 10. The value of x is determined to be 7.

Step-by-step explanation:

Four less than the product of a number (x) and 5 = 5x - 4

8 more than 2 added to 3 times the number = 3x + 2 + 8 = 3x + 10

Four less than the product of a number (x) and 5 is equal to 8 more than 2 added to 3 times the number => 5x - 4 = 3x + 10

                                                         5x - 3x = 10 + 4

                                                         2x = 14

                                                         x = 14/2

                 therefore,                      x = 7

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Question 8 of 10 What is sin 30º? 60 2 901 D A B. c.. () E. E )​

Question 8 of 10 What is sin 30? 60 2 901 D A B. c.. () E. E )

Answers

Answer:

A.  \(\displaystyle \frac{1}{2}\)

General Formulas and Concepts:

Trigonometry

[Right Triangles Only] SOHCAHTOA  [Right Triangles Only] sinθ = opposite over hypotenuse

Step-by-step explanation:

Step 1: Define

sin 30°

Step 2: Solve

Since sin is opposite over hypotenuse, we need to find the length of the opposite leg of the angle and the length of the hypotenuse.

Given the triangle and it's values, the opposite leg to the 30° angle is 1 and the hypotenuse is 2.

Substituting it into sin, we have:

sin 30° = 1/2 = 0.5

∴ our answer is A.

Arnold Middle School and High School
sit on one piece of land that has an area of (3/8)(3/8)
square mile. The width of the land is 3/4
mile. What is the length of the school's
land?

Answers

Answer: 3/16

Step-by-step explanation:

3/8 x 3/8 = 9/64

9/64 / 3/4

9/64 x 4/3

36/192

3/16

A HighSchool’s football Stadium holds a total of 7,000 fans. A survey shows that of the total number of fans, 68% root for the home team. How many fans attending a football game are rooting for the home team?

Answers

All of them except the 32•/•

The sum of two numbers is 143 and their difference is 7. What are the numbers?

Answers

Answer:

The numbers are 75,68

Step-by-step explanation:

Let the number be a ,b

The sum of two numbers is 143

⇒   x + y = 143 -------------(I)

Their difference is 7

x - y = 7 --------------(II)

Add the equation (I) & (II) and thus y will be eliminated and we can find the value of x

(I)     x + y = 143

(II)   x -  y = 7        {Now add}

     2x       = 150

            x  = 150 ÷ 2

x = 75

Substitue x =  75 in equaion (I)

75 + y =143

      y = 143 - 75

y = 68

Use the pair of functions to find f(g(x)) and g(f(x)). Simplify your answers.
f(x)= 1= ² + 4
X-4

Use the pair of functions to find f(g(x)) and g(f(x)). Simplify your answers.f(x)= 1= + 4X-4

Answers

To find f(g(x)), we need to substitute g(x) into the function f(x). Given that g(x) = x - 4, we substitute it into f(x) as follows:

\(f(g(x)) = f(x - 4) = (x - 4)^2 + 4\)

To simplify this expression, we can expand the square:

\(f(g(x)) = (x - 4)(x - 4) + 4\\ = x^2 - 8x + 16 + 4\\ = x^2 - 8x + 20\)

Therefore, f(g(x)) simplifies to\(x^2 - 8x + 20.\)

Next, let's find g(f(x)). We substitute f(x) into the function g(x):

\(g(f(x)) = g(1/x^2 + 4) = 1/x^2 + 4 - 4\\ = 1/x^2\)

Hence, g(f(x)) simplifies to 1/x^2.

In summary, f(g(x)) simplifies to\(x^2 - 8x + 20\), and g(f(x)) simplifies to 1/x^2.

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The value of log 3 ⁡ 5 × log 25 ⁡ 9 is

Answers

The value of \(log_35 \times log_{25}9\) is 1.

What is an expression?

An expression is a way of writing a statement with more than two variables or numbers with operations such as addition, subtraction, multiplication, and division.

Example: 2 + 3x + 4y = 7 is an expression.

We have,

\(log_35 \times log_{25}9\)

\(log_ab = \frac{logb}{loga}\)

So,

= log 5 / log 3 x log 9 / log 25

= log 5 / log 3 x log 3² / log 5²

\(logm^n = n~logm\)

So,

= log 5 / log 3 x log 3² / log 5²

= (log 5 / log 3) x (2 log 3 / 2 log 5)

= (log 5 / log 3) x (log 3 / log 5)

= 1

Thus,

1 is the value.

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A party store recorded recent balloon sales. green 20 blue 17 pink 12 purple 19 orange 7 What is the experimental probability that the next balloon sold will be green? Write your answer as a fraction or whole number.

Answers

The experimental probability of the next balloon sold being green is 4/15.

Probability is a crucial concept in the field of mathematics that is used to measure the likelihood of an event happening.

According to the information given, the number of green balloons sold is 20, and the total number of balloons sold is the sum of all the colors, which is:

20 + 17 + 12 + 19 + 7 = 75

Now we can use these numbers to calculate the experimental probability of a green balloon being sold:

Experimental probability of a green balloon being sold = Number of green balloons sold / Total number of balloons sold

Experimental probability of a green balloon being sold = 20 / 75

Experimental probability of a green balloon being sold = 4/15

This means that if we randomly select a balloon from the store, the likelihood of it being green is 4 out of 15 or approximately 0.27 or 27%.

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Answer:

4/15

Step-by-step explanation:

Will give brainleist PLEASE HELP ASAP
Sorry if it’s a bit blurry

Will give brainleist PLEASE HELP ASAPSorry if its a bit blurry

Answers

Answer:

too blurry, I cant see the numbers

Answer:

X=5

Step-by-step explanation: I have attached my full work, but essentially, it is important to understand that all angles in a triangle equal 180 degrees. Also, we know that angles that form a line equal 180 degrees, so we can solve for the unknown by setting all of the angles in the triangle to 180 degrees to get an algebraic equation.

Will give brainleist PLEASE HELP ASAPSorry if its a bit blurry

Katye received 15 gifts and a total of $100 in cash for her birthday. She buys one book that costs $23, and she wants to donate $10 to each of several local charities. How much money will Katye have left over if she donates to as many charities as possible?Describe steps you would use to solve the problem. You do not need to find the answer.

Answers

Answer:

To solve this problem, we need to subtract the cost of the book and the total amount donated to charities from the total amount of cash Katye received for her birthday. Here are the steps:

Add up the value of the gifts Katye received:

Total value of gifts = (value of gift 1) + (value of gift 2) + ... + (value of gift 15)

Add up the value of the cash Katye received:

Total cash = $100

Subtract the cost of the book from the total cash:

Cash remaining after buying the book = $100 - $23

Determine the maximum number of $10 donations that Katye can make:

Maximum number of $10 donations = (cash remaining after buying the book) / $10

Multiply the maximum number of donations by $10 to get the total amount donated:

Total amount donated = (maximum number of $10 donations) x $10

Subtract the cost of the book and the total amount donated from the total cash:

Cash remaining = $100 - $23 - (total amount donated)

The final answer will be the cash remaining after these calculations

does anyone have the keys for edmentum guided notes!!! please help

Answers

It is important to note that sharing or requesting specific keys or answers to educational materials, including guided notes, would be considered unethical and potentially a violation of academic integrity.

Guided notes are intended to assist students in actively engaging with course material and enhancing their learning experience. It is recommended that you approach your teacher or instructor for any clarification or additional resources you may need to fully understand the content.

They are in the best position to provide you with the necessary guidance and support.

Instead of seeking shortcuts or unauthorized access to answers, it is more beneficial to invest time and effort in studying, asking questions, and actively participating in your educational journey.

This approach will not only help you grasp the subject matter more effectively but also promote personal growth and knowledge development.

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Choose the word or phrase that correctly completes the sentence.
Andrew wrapped his
sisters
sisteres'
sisters'
sister's
I don't know this yet.
present.

Answers

Answer:

answer is sister's.

Step-by-step explanation:

sisters mean more than one sister.

sisterses isn't a word.

sisters' also isn't a word.

sister's is a word and it means that she has possession of something or that she owns something.

They work-infested $18,000 into accounts, one yielding 4% interest and the other yielding 12%. If he received a total of $1,280 and interest at the end of the year, how much did he invest at 4%?​

Answers

Answer:

$11,000

Step-by-step explanation:

Let amount invested for 12% yield be p . Amount for 4% yield is therefore (18000-p)

Interest for 12%: 12% of p=0.12p

Interest for 4%: 4% of (18000-p)=0.04(18000-p)=720-0.04p

Total interest:

=0.12p + (720-0.04p)

=0.12p-0.04p+720

=0.08p+720

But we already know the total interest is 1280

Therefore: 0.08p+720=1280

0.08p=1280-720

0.08p=560

p=560÷0.08

p=7000

Therefore at 4% the person invested:

(18000-p)

18000-7000

$11,000

what is the measure of the larger angle in this degree?​

what is the measure of the larger angle in this degree?

Answers

Answer:

A straight line is equivalent to 180 degrees with that in mind,

(2.4x)+(9.6x)=180
2.4x+9.6x=180
12x=180
12x/12=180/12
x=15

Now to find the measurement of the larger angle,

9.6*15=144
Just in case you need it
180-144=36
Which is your smaller measurement.

from the given graph: state it's
a) amplitude
b) period
c) function of the graph:​

from the given graph: state it'sa) amplitudeb) periodc) function of the graph:

Answers

Step-by-step explanation:

The amplitude is 2. Amplitude means height from the x-axis to the crest/trough.

The period is 2pi. It is from crest to crest (next crest) or trough to trough (next trough).

Note that crest are the highest points of a wave, and that troughs are the lowest points of a wave. (we are talking about transverse waves, but this is more of a physics thing).

Function of graph:
By playing around in a graphing calculator, I got the equation to be

2 (cos (x + pi/2)).

the 2 changes the amplitude, and the + pi/2 shifts the graph by pi/2 to the left.

pls help me!!
7th grade math :)

pls help me!!7th grade math :)

Answers

Answer:

D is the answer.

Step-by-step explanation:

On the X axis, the point lies at -1.75.
And on the Y axis the point is at 0.75.

Hope the explanation helps.

Answer:

d

Explanation:

The point (-1.75,0.75) is the location of 'point b'

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This key segment serve the individual. Services include savings, deposits, withdrawals, loans, mortgages, debit and credit cards, bank account requests, bill payments, and remittances. Retail operations take place in the branches and at our digital touchpoints. Among FBGL's customer segment, retail is the largest contributor to FBGL's revenue. COVID-19 and its effect have prompted a massive change in consumer behaviour in Ghana as retail customers prefer the usage of digital platforms which curtails the spread of Covid 19. A senior partner in KPMG Ghana states that "Banks that already have digital service offerings take advantage of this opportunity by continuing to enhance the experiences of their customers while keeping them safe".Your Role as a Digital Marketing Manager of Fidelity bank, you must also develop an effective digital marketing strategy aimed at engaging your stakeholders in this pandemic. You must explain some key digital marketing concepts that can influence Fidelitys reputation, image, and identity to management.(a) Conduct a SWOT analysis that identifies key strategic options for Fidelity bank within Ghanaian banking, with a focus on developing a digital marketing plan. What similarities between the characters are revealed by the narrator? In "the interlopers" What are the risk factors that can be controlled changed or treated? in the article eight ways to find the true passion in life that has eluded you, rebecca burn-callander outlines 8 steps to discovering your true passion. if you were given the opportunity to dedicate the rest of your life to one specific activity, without having to worry about money, what activity would you choose? how would you impact the world by taking on this activity? what can you conclude? Which step in the ethical decision-making process occurs once you have considered how a decision affects stakeholders by comparing and weighing the alternatives? Use substitution or elimination method to solve:y = x - 3x + 16y = 9x - 20 What are 30 examples of compound sentences? describe how many neurons and intestinal cells each have greatly increased surface area Question 20. Here are a couple of new definitions: An nn matrix A is symmetric provided A T =A and skew-symmetric provided A T =A. (1) Give examples of symmetric and skew-symmetric 22,33, and 44 matrices. (2) What can you say about the main diagonal of a skew-symmetric matrix? (3) Give an example of a matrix that is both symmetric and skew-symmetric. (4) Prove that for any nn matrix A, the matrices A+A T ,AA T , and A T A are symmetric and AA T is skew-symmetric. (5) Prove that any nn can be written as the sum of a symmetric and skew-symmetric matrices. Hint: Did you do part (4) yet? Calculate the 99% confidence interval for the difference(mu1-mu2) of two population means given the following samplingresults. Population 1: sample size = 18, sample mean = 19.37,sample standard de One of the earliest conflicts Darwin had with organized religion was over(a) the age of the earth(b) his study of animals(c) his refusal to be a church member(d) his comparison of humans and animals