If A= -2, 2, 0, -5, 7, 9, C=-1, -1, -2, -7, 3, 2, and A - B = C, what is B?

If A= -2, 2, 0, -5, 7, 9, C=-1, -1, -2, -7, 3, 2, And A - B = C, What Is B?

Answers

Answer 1

B  = [tex]\left[\begin{array}{ccc}-1&3&2\\2&4&7\end{array}\right][/tex]  if A-B = C and values of A and C is given .

What is Matrix and determinants ?In linear algebra, determinants and matrices are used to solve linear equations by applying Cramer's rule to a collection of non-homogeneous equations that are expressed in linear form. Determinants are only determined using square matrices. If a matrix's determinant is zero, it is referred to as a singular determinant; if it is one, it is referred to as a unimodular matrix. For the system of equations to have a single solution, the determinant of the matrix must be nonsingular, or its value must be nonzero.In this post, we will discuss the definition of determinants and matrices, as well as their many types, characteristics, and instances.

Calculation:

since A-B=C

   so, A-C=B

plugging in the values :-

 [tex]\left[\begin{array}{ccc}-2&2&0\\-5&7&9\end{array}\right] \left[\begin{array}{ccc}-1&-1&-2\\-7&3&2\end{array}\right][/tex]    = B

B  =  [tex]\left[\begin{array}{ccc}-1&3&2\\2&4&7\end{array}\right][/tex]

Hence the value of B is =  [tex]\left[\begin{array}{ccc}-1&3&2\\2&4&7\end{array}\right][/tex]

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Related Questions

What’s the answers to these

Answers

Evaluating the algebraic expressions for the values given, we have:

a. -7

b. -10.

How to Evaluate an Algebraic Expression?

To evaluate and algebraic expression, plug in the value of the variable given and solve accordingly.

a. Given the algebraic expression, xy + 5.

If x = 2, and y = -6, then substitute x = 2 and y = -6 to evaluate the algebraic expression:

xy + 5

(2)(-6) + 5 [substitution]

= -12 + 5

= -7

b. Given the algebraic expression, x/y - 12, if x = 22 and y = 11, then substitute x = 22 and y = 11 into the expression and evaluate:

x/y - 12

22/11 - 12 [substitution]

= 2 - 12

= -10.

Thus, the values of the expressions when evaluated for the given variables are:

a. -7

b. -10.

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please help asap. due monday

Answers

[tex]$\frac{4x^2+4x}{2x^2-2} =[/tex]

[tex]$\frac{4x\left(x+1\right)}{2x^2-2} =[/tex]

[tex]$\frac{4x\left(x+1\right)}{2\left(x+1\right)\left(x-1\right)} =[/tex]

[tex]$\frac{4x}{2\left(x-1\right)}=[/tex]

[tex]$\frac{2\cdot \:2x}{2\left(x-1\right)} = \frac{2x}{x-1}[/tex]

Answer:

4

Answer and Explanation: Two to the second power is 4. We write two to the second power as follows: 22.\

4 to the power of 2 can be expressed as 42 = 4 × 4 = 16.


The table shows the balance (in dollars) of a bank account each month for three months. What is the average balance of the account?
Month
1$1375.27
2$953.86
3 $1047.79

Answers

The average balance in the bank account is $1,125.64.

What is average?In plain English, an average is a single number chosen to represent a group of numbers; it is typically the sum of the numbers divided by the number of numbers in the group. The average of the numbers 2, 3, 4, 7, and 9 is, for instance, 5. Average The arithmetic mean is calculated by adding a set of numbers, dividing by their count, and then taking the result. For instance, the result of 30 divided by 6 is 5, which is the average of 2, 3, 3, 5, 7, and 10.

So, the average balance of the account will be:

Average formula: A = sum of terms/Number of terms

Fill in the values and solve as follows:

A = sum of terms/Number of termsA = 1375.27 + 953.86 + 1047.79/3A = 1375.27 + 953.86 + 1047.79/3A = 3,376.92/3A = $1,125.64

Therefore, the average balance in the bank account is $1,125.64.

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Given 4.05(−15.6), find the product.

−63.18
−11.55
6.32
561.11

Answers

Answer:-63.18

Step-by-step explanation:

She starts with $100 and plans to add $50 each week. write an equation she can use to calculate the amount of money she will have after any number of weeks. how much money will she have after 1 year?

Answers

Main Answer:

2700 dollars

Explanation:

Let x be the number of  weeks and y be the total amount of money, then the equation can be written as,

[tex]y=50x+100[/tex] -------(1)

In a year there are 52 weeks.

Money she will have after 1 year is found out by putting x = 52 in the equation (1), we get

[tex]y=50(52)+100[/tex]

[tex]y=2600+100[/tex]

∴[tex]y=2700[/tex]

Therefore, the money she have after 1 year is 2700 dollars.

Ricardo is a network administrator for a
large law firm. His annual salary is
$43,450. What is his monthly salary?

Answers

Answer: 8690

Step-by-step explanation:

Divide $43450 by the number of months there are in a year (which is 12) and you get the answer

What is the surface area of the cylinder with height 3 m and radius 8 m?
Round your answer to the nearest thousandth.

Answers

Answer:

3x8x2xπ ≈ 150.796m²

Step-by-step explanation:

when unfolded the cylinder is a rectangle of area equal to:

HxW ; H=height W=width

W is equal to the primer of the circle and the formula for that is:

2xπxr

substituting you get the area of a cylinder as follows:

Hxrx2xπ

a company with 200 employees grew in size by 25% between 2005 and 2010. the company grew again by 10% between 2010 and 2015. what was the total number of employees in 2015?

Answers

The total number of employees in the company in the year 2015 is 275 employees

Number of employees in the company before increase = 200 employees

Percentage increase in employees between 2005 and 2010 = 25%

Percentage: A percentage is a ratio or fraction where the full value is always 100. Sam, for instance, would have received 30 out of a possible 100 points if he had received 30% on his arithmetic test.

So, the number of employees after the increase = 200+25%of 200

= 200+50 = 250

Percentage increase in employees between 2010 and 2015 = 10%

Number of employees after increase = 250 + 10% of 250

= 250 + 25 = 275 employees

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Describe one example of a human right that you think is essential for everyone to have throughout the world. Why is this right essential? (

Answers

An example of a human right that I think is essential for everyone to have throughout the world is the right to life.

This right is essential because we all should live and no one should deny others the right.

Whet are human rights?

All people have the same basic legal rights, regardless of their gender, color, nationality, ethnicity, language, religion, or any other distinction. Human rights cover a wide range of rights, such as the freedom from slavery and torture, the right to life and liberty, the freedom of speech, the right to a job and an education, among many more. Human rights, which are usually protected by both domestic and international law, are moral principles or rules for particular standards of human behavior.

Human rights cover a wide range of rights, such as the freedom from slavery and torture, the right to life and liberty, the freedom of speech, the right to a job and an education, among many more. These rights apply to everyone without exception. The idea that a creature has the right to survive and, in particular, shouldn't be killed by another entity, is known as the right to life.

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helppppppppppppppppp

Answers

Answer:

B.) cylinder

Step-by-step explanation:

2 circles on either side and a rectangle between them

compare these two integers.

Answers

Answer:

-4.1 < -√20

Step-by-step explanation:

-√20 = -4.472135954 (-4.47)

-4.4 < -4.47 (-√20)

The perimeter of a pool is 116 feet. If the length of the pool is 3 times its width,
what is the width of the pool?
(Show work)

Answers

Answer:

The perimeter P of a rectangular is given by formula P=2l+2w where l is the length and w is width of rectangle.Given that perimeter is 56 meters and length's 16 meters. Substituting values in formula,subtract 32 from both sides -⇒24=2w w=12width of rectangular pool is 12 meters.Hence, the answer is 12.

Answer:

Perimeter = 2(l+b)

Perimeter = 116

width = x

length = 3x

116 = 2(3x+ x)

116 = 6x+2x

116 = 8x

x = 116/8

x = 14.5

You can verify answer by inputing value of x to see if perimeter is = 116 :

perimeter = 2(l+b)

116 = 2(3(14.5) + 14.5)

116 = 2(43.5 + 14.5)

116 = 87 + 29

116 = 116

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a grant that your professor received includes funds for three graduate students to attend a conference to present their work. if your professor has eight graduate students and three students can go to the conference, how many choices does your professor have?

Answers

The number of choices that the professor has is 56.

How to calculate the value?

From the information, the professor has eight graduate students and three students can go to the conference. This will be calculated using combination.

Combination formula

nCr = n! / ((n – r)! r!)

n = the number of items. = 8

r = how many items are taken at a time. = 3

Therefore, this will be:

= 8! / (8 - 3)! 3!

= 8! / 5!3!

= 8 × 7 × 6 / 3 × 2

= 56 ways.

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Find the angles of this shape​

Answers

Answer:

x = 100° , y = 75° , z = 135°

Step-by-step explanation:

x and 80° are a linear pair and sum to 180° , that is

x + 80° = 180° ( subtract 80° from both sides )

x = 100°

y and 105° are a linear pair and sum to 180° , then

y + 105° = 180° ( subtract 105° from both sides )

y = 75°

the sum of the interior angles of a polygon is

sum = 180° ( n - 2 ) ← n is the number of sides

here n = 5 , then

sum = 180° × 3 = 540°

sum the interior angles and equate to 540°

z + x + 90° + 110° + 105° = 540°

z + 100° + 90° + 110° + 105° = 540°

z + 405° = 540° ( subtract 405° from both sides )

z = 135°

2 hats, one has 5 red balls and 5 green balls, and the other has 9 red balls and 3 green balls. the probability you drew a green ball, given it was from the second hat?

Answers

The probability that we drew a green ball from the second hat is 1/4.

What exactly is probability?Mathematical representations of the likelihood that an event will occur or that a statement is true are dealt with in the area of probability.A number between 0 and 1, where 0 roughly denotes impossibility and 1 roughly denotes certainty, is the probability of an event.Axiomatic, classical, empirical, and subjective are the four most popular approaches to probability.

So, the second hat contains 9 red balls and 3 green balls.

P(E) = favourable events / total eventsHere, favourable event is 3 (green balls) and total events is (9 + 3 = 12)

Now,

P(E) = favourable events / total eventsP(E) = 3/12P(E) = 1/4

Therefore, the probability that we drew a green ball from the second hat is 1/4.

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The explicit rule for a sequence and one of the specific terms is given. Find the position of the given term.
f(n)=(2n-2)+2;52

Answers

The position of the given term is mathematically given as

n = 24

This is further explained below.

What is the position of the given term?

A function that goes from one set to another gives each element of the first set precisely one element of the second set.

This particular set, X, is referred to as the function's domain, and this particular set, Y, is referred to as the function's codomain.

Generally, the equation for Function the is mathematically given as

f(n) = 2.5 n - 16

Considering that the total is 52, we need to locate the letter "n." (position). Now let's get the answer for "n":

52=(2n-2)+2

52=2n-2+2

52 = 2n-4

n = (52-4)/2

n = 24

In conclusion, the position of the given term.

n = 24

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Which expression is equivalent to (16z - 10) + (2x + 19)? A- 23x B- 18x + 29 C- 14x + 9 D 13x

Answers

nswer

Option C is correct

14x + 9

Explanation

e need to simplify the sexpression

16x - 10) + (-2x + 19)

= 16x - 10 - 2x + 19

ollect like terms by bringing terms with x together

= 16x - 2x - 10 + 19

= 14x + 9

Hope this Helps!!!

Evaluate g(x) = 3x when x= -2,0, and 5.

Answers

Answer:

Step-by-step explanation:

g(x)=3x

g(-2)=3(-2)=-6

g(0)=3(0)=0

g(5)=3(5)=15

The depth of a local lake averages 26 ft, which is represented as |−26|. In February, it measured 5 ft deep, or |−5|, and in July, it was 18 ft deep, or |−18|. What is the difference between the depths in February and July? ( I need help I'm running out of time!!!)


21 feet

23 feet

8 feet

13 feet

Answers

The difference between the depths in February and July is the fourth option that is 13 feet |−13|.

Given that:-

Average of a depth of a local lake = 26 ft represented as |−26|.

Depth of a local lake in February = 5 ft represented as |−5|.

Depth of a local lake in July = 18 ft represented as |−18|.

We have to find the difference between the depths in February and July.

We know that,

Difference between the depths in February and July = Depth in July - Depth in February = 18 - 5 = 13 feet represented as |−13|.

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I need help its confusing because of the domain and dont know how how put it in to the question

Answers

Answer:

its all real numbers i took the quiz before

Step-by-step explanation:

3x-4+3x-8 linear pairs of angles.

Answers

Answer:

Step-by-step explanation:

- 36

Use the slopes of lines A and B to show that
they are perpendicular
to each other.

Answers

The line A and line B are perpendicular to each other.

What is defined as the perpendicular lines?Perpendicular lines are defined in geometry as two lines which meet or intersect at right angles (90°). The term "perpendicular" is derived from the Latin phrase "perpendicularis," which means "a plumb line."The following are the two important properties of perpendicular lines.These lines are always at right angles when they intersect.If two lines seem to be perpendicular to each other, they are parallel and will never intersect.

For the given ques, the graph of line A and line B are given.

The relation of slope of two perpendicular lines is their product of slope is -1.

Line A: select two point lying on the line A.

(2, 3) and (1, 1)

slope = m = (2 - 1)/(3 - 1)

m₁ = 1/2

Line B: select two point lying on the line B.

(8, 0) and (0, 4)

slope = m = (0 - 4)/(8 - 0)

m₂  = -4/8

m₂ = -1/2

Now, multiply both slopes.

m₁ x m₂ = 1/ 2 x -1/2

m₁ x m₂ = - 1

Thus, the line A and line B are perpendicular to each other.

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Please answer the question in the photo ( will mark brainliest if correct )

Answers

Answer:

Step-by-step explanation:

5u  = 180° -  ( 120° + 30°) =  180° - 150° = 30°

u = 30° / 5 = 6°

Graph the function f(x) = 16(1.87)x. Does this function show growth or decay? What is the equation of the asymptote?

Growth; y = −16
Growth; y = 0
Decay; y = −16
Decay; y = 0

Answers

What is Asymptote?

The term asymptote means approaching a value or curve arbitrary closely. A line or curve that is asymptotic to given curve is called asymptotic.  

Given,

The function f(x) = 16(1.87)x

Now, We know that

If the value of b < 1, it is a decay while if the value of b > 1, then it is growth. Given the exponential equation below;

f(x) = 16(1.87)x

Since, b = 1.87 which is greater than 1, hence it is a growth. Find the graph attached.  

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Answer: -16

Step-by-step explanation:

Debnil has 6 teaspoons of salt. The ratio of teaspoons to tablespoons is 3 : 1.

How many tablespoons of salt does Debnil have?

Answers

The number of tablespoons Debnil has is 2 tablespoons

Number of teaspoons of salt with Debnil = 6

Ratio = 3:1

Ratio: mathematicians use the term "ratio" to compare two or more numbers. It serves as a comparison tool to show how big or tiny an amount is in relation to another. Two quantities are compared using division in a ratio. In this case, the dividend is referred to as the "antecedent" and the divisor as the "consequent."

Let x represent the total number of teaspoons and the tablespoons

Therefore,

6 = 3/4x

x = (6*4)/3

x = 8

So, there are a total of 8 spoons

Now, the number of tablespoons is 1/4 of the total

Hence, the number of tablespoons will be 2

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Caroline walks 9 1/2 inches per second. Give each rate in miles per hour. Round to the nearest tenth.

I got 32,400ft/hour. I divided that by 5,280ft because that’s 1 mile and I got 6.47. Rounded and got 6.5. The answer is .5 but I don’t understand how they got it.

Answers

9.5 or 9 1/2 inches per second in miles per hour is 0.5 .

What is conversion of units?
The process of translating measurements of a given quantity between different units, frequently using multiplicative conversion factors that change the value of the measured quantity without changing its effects, is known as unit conversion. The specific circumstances and the desired result dictate the conversion process. This may be governed by a regulation, contract, set of technical requirements, or other publicly available standards.

What is the conversion factor for inch to mile?
A value in inch when divided by 63360 gives a value in mile.

What is the conversion factor for second to hour?
A value in second when divided by 3600 gives a value in hour.


Given, the speed of Caroline in inches per second = 9 1/2 = 9.5/1 - (i)
Therefore following above literature and dividing numerator by 63360 and denominator by 3600, we get the speed in miles per second.
Thus, required speed = [9.5/63360]/[1/3600) = 0.539 = 0.5

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Choose the correct slope for the line that passes through the following points (7,6) and (6,5)

Answers

Answer: m = 1

Step-by-step explanation

First, you must fill in the slope formula:

(7,6) first ordered pair

(6,5) second ordered pair

m = [tex]\frac{y_{2} -y_{1} }{x_{2} -x_{1} }[/tex]

m = [tex]\frac{6-5}{7-6}[/tex] = [tex]\frac{1}{1}[/tex]

The slope is 1.

in a 7 game series played with two teams, the first team to win a total of 4 games is the winner. suppose that each game played is independently won by team a with probability p

Answers

Each game played is independently won by team A with probability p, then team A will surely win the first game.

Given that one team leads 3 to 0, this would mean that in 3 trials, team A won all three games.

The probability of winning 3 out of 3 for team A is

P(A) = P3

The probability of winning 3 out of 3 for team B is

P(B) = (1-P)3

It is given that one of these two scenarios is the case, then the probability it is team A is:

P3/ (P3 + (1-P)3)

The probability that team A would win 0 of the next 4 games is

(1-P)4,

this means the probability that team A wins the series if they are up 3 to 0 is

1 - ( 1 - P ) 4

Similarly, if team A is to win every game, it is surely that they will win the first game.

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2. two brands of canned dog food are on sale. assume that the cans are the same size. brand a costs $13.60 for eight cans and brand b costs $8.75 for fi ve cans. explain how to fi nd the unit price for brands a and b. explain how unit prices help you compare the cost of dog food.

Answers

Answer:

Brand a price is less than Brand b.

Step-by-step explanation:

given-

two brands of canned dog food are on sale. assume that the cans are the same size. brand a costs $13.60 for eight cans and brand b costs $8.75 for five cans

first-brand a costs $13.60 for eight cans

second- brand b costs $8.75 for five cans

solve first

for 8 cans-->$13.60

then,1 can -->$13.60/8

               =>$1.7

in similar manner we solve for second

for 5 cans-->$8.75

then,1 can -->$8.75/5

               =>$1.75

Brand a price is less than Brand b.

Unit pricing helps consumers compare the prices of packaged goods when those goods aren't sold in equal quantities. It's unit pricing that allows, for example, a shopper to tell at a glance which is the better buy: a 20-pound bag of dog food that sells for $13.95 or a 15-pound bag that sells for $10.69.

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Simplify 6.6 ÷ 0.12 ​

Answers

Answer:5

Expand 0.6/0.12

by multiplying both numerator and the denominator by 100.

60/12

Divide 60 by 12 to get 5.

5

Answer:

55

Step-by-step explanation:

6.6/12 = 55

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