its multiplying matrices

Its Multiplying Matrices

Answers

Answer 1

Answer:

0 -2 -1 1

4 -4 -4 12

-3 1 2 8

Step-by-step explanation:

in that exact order, 3 by 4


Related Questions

I need help with these problems.

Answers

Answer:

1. 4

2. 65

3. 4

4. 53

5. 14

Answer:

1.: 4 songs

2.: 65 dollars

3.: 4 cookies

4.: 53 cards

5.: 14 degrees

Step-by-step explanation:

1.: Split 40 songs evenly between 10 days. 40 divided by 10 equals 4.

2.: 160, the needed amount, minus 95, the amount already had, equals 65. 95+65=160.

3.: Split 32 cookies evenly between 8 people. 32 divided by 8 is 4.

4.: 200-147=53, so 147+53=200.

5.: -11-14=-25. Subtracting from a negative increases its absolute value, but it remains negative.

which is the oppisite of -12

Answers

The opposite of the number -12 is 12

How to determine the opposite of -12?

The number is given as

Number = -12

As a general rule, the opposite of a number x is

Opposite = -x

This means that the opposite of -12 is 12

Hence, the opposite of -12 is 12

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Roxana fue de compras con 12000. ella gasto el 12% del dinero en carne, 25%en vegetales y guardo el resto ¿cuanto dinero guardo?

Answers

The amount that Roxana has left is $7560.

How to calculate the value?

Total Amount = $12000

She spent 12% on meat and 25% on vegetables.

Therefore, the amount left will be:

= (100 - 12% - 25%) × 12000

= 63% × 12000

= 63/100 × 12000

= 0.63 × 12000

= $7560

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pls solve this fraction by steps​

Answers

Answer:

-30

Step-by-step explanation:

-5/2 × 12

= -5/2 x 12/1

= (-5 × 12)/(2 × 1)

= -60/2

= -30

Answer:

-30 if this equation is multiplication!

Step-by-step explanation:

-5/2 times 12 (OG equation)

-5/2 times 12/1 (Convert)

-5 times 12/ 2.1 (Fraction Rule)

-5 times 12/2 (Multiply)

-5 times 6 (divide 12 by 2)

-30 (Simplify)

Have a great day! :D

Evaluate the expression -7x -1/6y +2z-xy+28 when x = 2, y=12 and z =9
SHOW WORK FOR BRAINLIST.

Answers

Answer: 12

Step-by-step explanation:

x = 2, y=12 and z =9

-7x -1/6y +2z-xy+28=

-7(2) -1/6(12) +2(9)-(2)(9)+28=

-14-12/6+18-18+28=

-14-2+28=

-(14+2)+28=

-16+28=

28-16=12

The sum of the first six prime numbers is ?​

Answers

Answer:

41

Step-by-step explanation:

A prime number is a whole number (bigger than 1) that is divisible only by itself and 1.

The first 6 prime numbers are 2, 3, 5, 7, 11 and 13.

2 + 3 + 5 + 7 + 11 + 13 = 41.

Answer: 41

Step-by-step explanation: We know that the first 6 prime numbers are 2, 3, 5, 7, 11, 13. We add them all and get 41!


Solve each equation. Check your answers.
3 log x=1.5

Answers

3 log (x) = 1.5 => x = 3.162, by properties of logarithm.

What is Logarithm?The opposite of exponentiation is the logarithm.This indicates that the exponent to which a fixed number, base b, must be raised in order to obtain a specific number x, is represented by the logarithm of that number.A number's natural logarithm is its logarithm to the base of the transcendental and irrational number e, which is roughly equivalent to 2.718281828459.

Given: 3 log (x) = 1.5

=> log x = [tex]\frac{1}{2}[/tex] = 0.5

Raising both sides by 10, in order to remove the logarithm:

=> [tex]10^{log_{10}x} = 10^{0.5}[/tex]

=> x = 3.162 (as [tex]a^{log_a(x)} = x[/tex])

Hence, 3 log (x) = 1.5 => x = 3.162, by properties of logarithm.

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A rectangular carpet measures 10 m by 6 m
Part of the carpet is covered by a square rug of length 2m
What fraction of the carpet is
covered by the rug?
Give your answer in its simplest form.
Optional working
Answer:

Answers

Answer:

Step-by-step explanation:

A rectangular carpet measures 8 m by 6 m​Part of the carpet is covered by a square rug of length 2 m

the stock market fell 60 points over a period of 4 days. what was the average change in the stock market each day?

Answers

The average change in the stock market is 15 points each day.

Average is calculated by dividing the total number of values in a given set by the arithmetic mean of the sum of all the values. For groups of values that are nearly identical, an average is calculated. The numerical value that represents a lot of data is referred to as the average.

The stock market fell by 60 points

No. of days stock market fell = 4 days

The formula for average is given by:

Average = Sum of observations/Total no. of observations

= 60/4

= 15 points

Therefore, the stock market fell by 15 points each day

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The sun of a number and 14 written as an algebraic exspression?

Answers

Answer:

[tex]\mathrm{a + 14 = b}[/tex]

A square has
has an area of
25 cm². show that the Perimeter of the square is
is 20 CM.

Answers

Step-by-step explanation:

[tex]l {25}^{2} [/tex]

L=5

5×4=20

F = G
G
(m₁m₂)

where F is the force between two objects of masses
m₁ and m₂, G is the gravitational constant, and dis
the distance between the two objects. Solve the
formula for m₁.

Answers

Answer:

The formula for mass m1 will be as M1 = Fr²/GM2.

What is Newton law of gravitation ?

According to newton's law , force between mass m₁ and m₂ at distance x is given by the following expression is;

F = G m₁m₂ / x²

Where F is the force between two masses m1 and m2 G is the gravitational constant and x is the distance between the two objects.

For Solving for M1 in terms of Fg, G, M2 and r yields;

M1 = Fr²/GM2

To solve for M1 in terms of F, G, M2 and r;

We are required to make M1 the subject of the formula as follows:

F = (G M1M2)/r²

By cross product;

Fr² = G M1M2

by dividing through by G M2; we have;

M1 = Fr²/GM2

The formula for mass m1 will be as M1 = Fr²/GM2.

Write an equation for 37.​

Answers

Answer:

Can you please explain more about what do you mean about write a equation for 37.

Step-by-step explanation:

Where’s the equation???

How many feet of the parking lot are presented by 1 centimeter on the scale drawing?

Answers

The number of feet of the parking lot thay are presented by 1 centimeter on the scale drawing is 12 feet.

How to calculate the feet?

The width of 48 feet is represented by 12.8cm; the length represented by 1cm is 48/12.8 = 15/4 = 3.75 feet.

The length on the drawing is 3.2cm, which is exactly 1/4 of the width of 12.8cm.

It should be noted that therefore the length of the actual parking lot is 48/4 = 12 feet.

In conclusion, it is 12 feet.

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The width of the parking lot is 48 feet. How many feet of the parking lot are represented by 1 centimeter. Based on the scale drawing, what is the length, in feet, of the actual parking lot? On the drawing, they have the width of 12.8 cm and a length is 3.2 cm.

vector v is 448 M long and a 224 direction. Ha W is 336 M long in a 75.9 directions find the magnitude of their Vector sum

Answers

The magnitude of the sum of vectors is 240.8 M

How to find the magnitude of the vector sum?

We know that vector V has a magnitude of 448 meters and a direction of 224°, then the components are:

x-component = 448m*cos(224°) = -322.3my-component = 448m*sin(224°) = -311.2 m

The other vector W has a magnitude of 336 meters and a direction of 75.9°, then the components are:

x-component = 336m*cos(75.9°) = 81.9my-component = 336m*sin(75.9°)= 325.9m

Now if we add these two vectors, the coordinates of the sum are:

< -322.3m + 81.9m, -311.2 m + 325.9m> = <-240.4 , 14.7>

Then the magnitude is:

M = √(  (-240.4)^2 + ( 14.7)^2) = 240.8

The magnitude of the sum of vectors is 240.8 M

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Suppose that a function pairs elements from set A with elements from set B . Recall that a function is called onto if every element in B is paired with at least one element in A .
b. What are the domain and range of the function?

Answers

The domain of the function will be the elements present in Set A and the range will be the elements present in Set B.

Domain of a function:

The domain of a function refers to the set of all possible inputs for the function. For example, we get that the domain of f(x) = x² is all real numbers, and the domain of g (x) = 1 / x is all real numbers except for x = 0( as it will make the function indefinite.) Some special functions can also be defined whose domain are limited.

Domain here will be = Set A

Range of a function:

The range of a function refers to the complete set of all possible resulting values of the dependent variable, after we have substituted the domain.

Range of the function here will be = Set B.

Therefore, we get that, the domain of the function will be the elements present in Set A and the range will be the elements present in Set B.

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Consider the system of linear
equations below. Choose nonzero values for a, b.
and c so the system satisfies the given condition.
Explain your reasoning.
x+y+z=2
ax + by + cz= 10
X- 2y+z=4

a. The system has no solution.
b. The system has exactly one solution.
c. The system has infinitely many solutions.

Answers

For no solutions, put a = b = c = -1, for exactly one solution, put a = 1 and b = c = 0 and for infinite solutions, put a = b = c = 5 in the system of linear equations.

We have the system of equations:

x + y + z = 2   …(1)

a x + b y + c z = 10   …(2)

x - 2 y + z = 4     …(3)

a. The system has no solution.

Put a = b = c = -1 in (2)

We get:

- x - y - z = 10

Now add (1) and (2)

0 = 12

which is not possible.

So, no solution.

b. The system has exactly one solution.

a = 1 and b = c = 0

We have the equations as:

x + y + z = 2   …(1)

x = 10   …(2)

x - 2 y + z = 4     …(3)

c. The system has infinitely many solutions.

a = b = c = 5

We will have the equations:

x + y + z = 2   …(1)

5 x + 5 y + 5 z = 10   …(2)

x - 2 y + z = 4     …(3)

Therefore, we get that, for no solutions, put a = b = c = -1, for exactly one solution, put a = 1 and b = c = 0 and for infinite solutions, put a = b = c = 5 in the system of linear equations.

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Which of the following relations is not a function?
A) (-7,4)
(4,3)
(-5, 1)
(6,2)

B) (-5,4)
(4,2)
(6,1)
(-7,5)

C) (6,4)
(-5,2)
(4,1)
(-7,2)

D (4,4)
(-5,2)
(4,1)
(-7,2)

Answers

Part (D) is not a function as he element 4 has two images in y that is 4 and 1.

We are given some relations.

We need to tell which of the following is not a function.

A relation is a function when every element of x has only one mapping on the every element of y.

That is when we put one value of x, there should not be 2 values for y.

For part (A),

It is a function as it satisfies the condition.

For part (B),

It is also a function as it also satisfies the condition.

For part (C)

It is also a function as it also satisfies the condition.

Fort part (D),

It is not a function as the element 4 has two images in y that is 4 and 1.

Therefore, part (D) is not a function as he element 4 has two images in y that is 4 and 1.

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# 12
EE.2
A health food store was charging $5.26 for a small salad but raised the price 20%. The new price after the increase is $6.31.
Enter an expression to show how the new price was calculated.

Answers

Answer:

Step-by-step explanation:

20% can be written as a fraction

20% = 20/100

20/100 = 1/5

5.26 x 1/5

1 x 5.26/ 5

5.26/5

1.052 = 1.05

Old price : $5.26

New price : $6.31

Increase : $1.05

Simplify. 3√63 +√28

Answers

The value of the expression 3√63 +√28 is 5√7 or 13.228.

A number is a fundamental mathematical unit. For counting, measuring, and comparing quantities, we utilize numbers. A set of symbols, or numerals, used to represent numbers is known as a number system.

A square root is a factor of a number that yields the original number when multiplied by itself.

Consider the expression 3√63 +√28,

Let's assume x = 3√63 +√28

Now,

63 = 3 × 21 = 3 × 3 × 7

28 = 2 × 14 = 2 × 2 × 7

Therefore,

x = 3√63 +√28

x = √ [ 3 × 3 × 7 ] + √ [ 2 × 2 × 7 ]

x = ( √ 3² ) × ( √7 ) + ( √2² ) × √7

x = 3√7 + 2√7

x = ( √7 ) × [ 3 + 2 ]

x = ( √7 ) × 5

x = 5√7

x = 5 × 2.6457

x = 13.228

Hence, the value of 3√63 +√28 is equal to 13.228.

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I need help to find each product for the blank first one and the bottom one simplify each expression

Answers

Just divide the numerator by the denominator . If you end up with a remainder of 0 , then you have a terminating decimal. Otherwise, the remainders will begin to repeat after some point, and you have a repeating decimal.

The term repeating decimals refers to non-terminating decimals that repeat. If the digits after the decimal point end, the number has a terminating decimal expansion.

A repeating decimal or recurring decimal is decimal representation of a number whose digits are periodic and the infinitely repeated portion is not zero. It can be shown that a number is rational if and only if its decimal representation is repeating or terminating

5- terminating

6- repeating

7- terminating

8-teminating

9-terminating

10-terminating

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An ant can walk 8 feet in 1 minute.
Write an equation which describes how many minutes, t, it takes for an ant to walk d feet.

Answers

Answer:

8=t/d

Step-by-step explanation:

a) what is the value of the 8 in the number 24.387?
Gve your answer as a fraction. ???

Answers

Answer:8/100

Step-by-step explanation: you would count the placement value of the numbers after the decimal point

Hullan is 5 years older than Thomas. The sum of their ages is 69. What is Thomas's age?

Answers

Answer:

29

Step-by-step explanation:

69/2

what measurement is the same lenght as 1 meter

Answers

Answer:

1000 millimetre

0.001 kilometre

0.000001 megametre

Margo mixed 24 ounces of blue paint and 16 ounces of red paint to create a new purple color. In order to create 72 more ounces of this exact purple color, how many ounces of red paint would she need?

Answers

Answer:

Step-by-step explanation:

Well, since 24+16 is 40, this would mean we get 40 ounces of purple paint. There is also a 150% difference between 24 and 16, so 2/3 times 24 = 16.

2/3 of the mixture is blue paint, while 1/3 of the mixture is red paint, so 1/3 of 72 is 24.

Thus, the answer is 24 ounces of red paint.

Barbara is in charge of the award medals for a sporting event. She has
31 medals to present to various individuals on 6 competing teams. She asserts that at least one
team will end up with more than 5 medals. Do you believe her
assertion? Justify your argument.

Answers

It should be noted that Barbara asserts that at least one team will end up with more than 5 medals. In this case,she's correct as a team will have 6 medals.

How to illustrate the information?

From the information, Barbara is in charge of the award medals for a sporting event and she has 31 medals to present to various individuals on 6 competing teams.

It should be noted that each team will get:

= 31 / 6

= 5 remainder 1

Therefore, she asserts that at least one

team will end up with more than 5 medals. In this case, she's correct.

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the quotient of a number,x, and five is half the difference of a number and four write an equation that represents the statement

Answers

The equation that represents the quotient of a number x, and five is half the difference of a number and four is    [tex]\frac{x}{5}=\frac{1}{2}(x-4)[/tex]

Given,

The number = x

When you divide a number with another number the result is called the quotient

The quotient of a number x and five = [tex]\frac{x}{5}[/tex]

Difference of a number and four = x-4

Half the difference of a number and four = [tex]\frac{1}{2}(x-4)[/tex]

Here the quotient of a number x and five is half the difference of a number and four, the equation will be

[tex]\frac{x}{5}=\frac{1}{2}(x-4)[/tex]

Hence, the equation that represents the quotient of a number x, and five is half the difference of a number and four is    [tex]\frac{x}{5}=\frac{1}{2}(x-4)[/tex]

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Evaluate

-3 (2) (-1) (4)

Answers

64854755555557427382675

It is 24

Explanation: (-3) • (2)= -6
-6 • -1 = 6
6 • 4 = 24

An urn contains 5 tiles, each containing one of the numbers from 1 to 5. An experiment consists of selecting a tile, marking down its number, then replacing it and selecting a second tile and marking down its number. How many outcomes are in the sample space for this experiment?.

Answers

Answer:

if 312four + 52p = 96 find the value of p

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