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Salive For La8311822474

Answers

Answer 1

9514 1404 393

Answer:

  1.  nonsense

  2. x = 1, y = 2, z = -1, w = -2

Step-by-step explanation:

1. Matrices are added term by corresponding term. Consider the upper left term in each matrix. The equation says 4 + 3 = 8. This is nonsense, so we cannot figure what you expect to solve.

__

2. This resolves to 4 equations:

3y = 6   ⇒   y = 23z = -3   ⇒   z = -12y+4x = 8   ⇒   4+4x = 8   ⇒   x = 12z = w   ⇒   -2 = w

The solutions are ...

  (w, x, y, z) = (-2, 1, 2, -1)


Related Questions

Q 16 Two numbers are in the ratio 3 : 17. If the first is 6, what is the other?
Ops: A.
w
O 51
B.
O 68
C.
0 42
5723
D.
O 34​

Answers

Answer:

D 34

Step-by-step explanation:

i hope you understand

Appreciate any help. Thanks

Answers

for question 9, your answer would be -7

-56 = 8x
then swap the equation
8x = -56
8 x 7 = 56
so your answer would be -7 because the -56 is bigger.

If x= -3, which of the following values is positive? x3, x2, 2x or 1/x

Plssss answer​

Answers

If c is a positive real number, then the graph of

f(x – c) is the graph of y = f(x) shifted to the right

c units.

Horizontal Shifts

If c is a positive real

number, then the

graph of f(x + c) is

the graph of y = f(x)

shifted to the left

Given:  

If a graph  is shifted a units to the left then it becomes  

Here, the graph is shifted 1 unit to the left . On taking a=1, we get graph  

Using formula  , we get

Using formula  , we get

Using distributive property over multiplication i.e  , we get

Therefore,

Answer:

If x= -3 then x^2 will  be positive.

Step-by-step explanation:

we can choose the option by putting x= -3 on each option to see which of them will get us positive value..

x^3 = (-3)×(-3)×(-3) = -27

x^2=  (-3)×(-3)       =  9

2x  =  2 × (-3)   = -6

1/x =  -1/3

Thus from the values above we can see that the If x= -3 then x^2 will  be positive.

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Use the linear regression feature on a graphing calculator to find the correlation coefficient for the data. Round your answer to three decimal places.

Answers

Answer:

0.9769

Step-by-step explanation:

Given the data :

X : 7.5, 9.9, 4.8, 9, 8.1, 1.7, 3.1

Y : 35, 6, 45, 18, 20, 89, 84

The Correlation Coefficient obtained by using a graphing calculator to model the data above is : 0.9769, this means a strong positive correlation exists between the two variables.

Give the trigonometric form of each vector (leave the magnitude as a square root) p=
(<2V6, -2V2)

Answers

Answer:

[tex]v=<\sqrt{32}cos(319.11^{\circ}),\sqrt{32}sin(319.11^{\circ})>[/tex] or [tex]v=\sqrt{32}cos(319.11^{\circ})i+\sqrt{32}sin(319.11^{\circ})j[/tex]

Step-by-step explanation:

Find the magnitude of [tex]<2\sqrt{6},-2\sqrt{2}>[/tex]:

[tex]||v||=\sqrt{(2\sqrt{6})^2+(-2\sqrt{2})^2}[/tex]

[tex]||v||=\sqrt{24+8}[/tex]

[tex]||v||=\sqrt{32}[/tex]

Find the direction angle of [tex]<2\sqrt{6},-2\sqrt{2}>[/tex]:

[tex]\alpha=tan^{-1}|\frac{-2\sqrt{2}}{2\sqrt{6}}|[/tex]

[tex]\alpha=tan^{-1}|-\frac{\sqrt{3}}{2}|[/tex]

[tex]\alpha=tan^{-1}(\frac{\sqrt{3}}{2})[/tex]

[tex]\alpha=40.89^{\circ}[/tex]

Since [tex]\alpha=40.89^{\circ}[/tex] is our reference angle, we determine our direction angle [tex]\theta[/tex] by verifying our angle is in Quadrant IV, which is where the vector is located. Therefore, [tex]\theta=360^{\circ}-\alpha=360^{\circ}-40.89^{\circ}=319.11^{\circ}[/tex]

To represent a vector's magnitude and direction in trigonometric form, we use the form [tex]v=<||v||cos\theta,||v||sin\theta>[/tex] or [tex]v=||v||cos\theta i+||v||sin\theta j[/tex].

In conclusion, the trigonometric form of the vector is:

[tex]v=<\sqrt{32}cos(319.11^{\circ}),\sqrt{32}sin(319.11^{\circ})>[/tex] or

[tex]v=\sqrt{32}cos(319.11^{\circ})i+\sqrt{32}sin(319.11^{\circ})j[/tex]

Directions: Encircle the letter of the correct answer.
1. What do you call the distance around a cirde?
A. area
B. perimeter
C. circumference
volume
2. Jenny made a circular veil has a radius of 4 decimeters. How many decimeters of lace
trimmings were needed to put around the veil?
A. 8 decimeters
B. 16 decimeters
C. 12 decimeters
D. 25.12 decimeters
3. The circular based statue in the middle of a fountain City Hall Park has a diameter of 9
meters. If the City Mayor would like to put decorative ribbon around it, how much ribbon is
needed?
A. 18 meters
B. 28.26 meters
C. 27 meters
D. 81 meters
4. Mr. Cruz planted santan in his circular garden with a diameter of 8 meter. What is the
circumference of his garden?
A. 16 meters
B. 25.12 meters
C. 24 meters
D. 64 meters
5. Robert's mother is making a pot holder with a diameter of 7 meters. How many meters of
lace she needs to decorate around the pot holder?
A. 14 meters
B. 21.98 meters
C. 21 meters
D. 49 meters​

Answers

Answer:

Step-by-step explanation:

1.C. circumference

2.D. 25.12 decimeters

Solution

C=2πr=2·π·4≈25.13274

3.B. 28.26 meters

Using the formulas

C=2πr

d=2r

Solving for C

C=πd=π·9≈28.27433m

4.B. 25.12 meters

Using the formulas

C=2πr

d=2r

Solving for C

C=πd=π·8≈25.13274m

5.B. 21.98 meters

Using the formulas

C=2πr

d=2r

Solving for C

C=πd=π·7≈21.99115m

Which of the following three side lengths could be joined together to make a triangle?
A. 12 cm, 12 cm, 10 cm
B. 4 cm, 2 cm, 7 cm
C. 8 cm, 10 cm, 1 cm
D. 3 cm, 3 cm, 6 cm

Answers

Answer:

Step-by-step explanation:

I think D

If you will count by cubes 3 cm+ 3 cm= 6

A die is rolled one thousand times. The percentage of aces should be around ____ or so. the first step iin computing this problem should be

Answers

Answer:

Following are the solution to the given question:

Step-by-step explanation:

Please find the complete question in the attached file.

[tex]Box \ average =\frac{1}{6} \\\\SD = \frac{1}{6} \times \frac{5}{6} = \frac{5}{36} \approx 0.373\\\\Expected \ value= 1000 \times \frac{1}{6} \approx 166.7\\\\SE = 1000 \times 0.373 \approx 11.8\\\\[/tex]

The total number of aces is approximately 167, 12 or more. The SE is 12 out of 1000, which is 1.2 percent.

The percentage of aces is expected to be around 16.67% , or 1.2%.

A golden rectangle has a length of 5 cm. Find the area of the rectangle to the nearest square centimeter.
A. 9 square centimeters
B. 25 square centimeters
C. 17 square centimeters
D. 13 square centimeters
E. 15 square centimeters

Answers

Answer:

Option B is correct one

B. 25 square centimeters

If you are helped with my answer pls tag me brianliest I really want it... Plzz

THANK you...

The area of the rectangle to the nearest square centimeter will be 15 square centimeters. Then the correct option is E.

What is the area of the rectangle?

Let W be the rectangle's width and L its length.

The area of the rectangle is the multiplication of the two different sides of the rectangle. Then the rectangle's area will be

Area of the rectangle = L × W square units

A golden rectangle has a length of 5 cm. Then the width of the rectangle is given as,

W = 5 - 2

W = 3 cm

Then the area of the rectangle will be given as,

A = 5 x 3

A = 15 square centimeters

The area of the rectangle to the nearest square centimeter will be 15 square centimeters. Then the correct option is E.

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Can someone please help?

Answers

Answer: $38,465

Step-by-step explanation: If each computer is $1,099 and there are 35 being bought then the equation is: 35 x 1,099 => 38,465

Answer:

37,365

Step-by-step explanation:

it's just simple math

Simplify (4.5)(5)(-2).
45
4.5
-4.5
-45

Answers

Answer:

-45

Step-by-step explanation:

-45 is the correct answer


What is f(3) if f(x) =-4x+1
A=-44
B=-11
C=1/2
D=13

how do I do this?

Answers

Answer:

[tex]\huge{\textbf{\textsf{{\color{skyblue}{An}}{\blue{sw}}{\red{er}}{\color{red}{:}}}}}[/tex]

[tex]f(x) = - 4x + 1[/tex]

Substitute the value of X in the equation.

[tex]f(3) = - 4(3) + 1 \\ f(3) = - 4 \times 3 + 1 \\ f(3) = - 12 + 1 \\ f(3) = - 11[/tex]

[tex]{\boxed{\boxed{\tt { Option \ B \ is \ the \ correct \ answer}}}} \ [/tex]

Kyler noticed that there were seven microscopic sea creatures lined up end to end. If each creature was 3.9 x 10 cm long, how long was the chain?
If the planet Neptune is 2.794 x 10 miles from the sun and the planet Earth is 9.3 x 10' miles from the sun, how many times farther away from the sun is Neptune than Earth?

Answers

Answer: 273 cm, 300

Step-by-step explanation:

Given

The length of each sea creature is [tex]3.9\times 10\ cm[/tex]

for 7 microscopic creature, it is

[tex]\Rightarrow 7\times 3.9\times 10\\\Rightarrow 273\ cm[/tex]

The distance of Neptune from the sun is [tex]2.794\times 10^9\ \text{miles}[/tex]

and the earth is [tex]9.3\times 10^7\ \text{miles}[/tex] from the sun

Comparison of neptune and earth distance

[tex]=\dfrac{2.794\times 10^9}{9.3\times 10^7}\\\\=0.300\times 10^2\\=300.4[/tex]

Neptune is 300 times farher away form the sun than earth

using power to a power, what is (3^3)^3*

Answers

19,683

Hope this Helped!

solve z^3=27 it's a complex number ​

Answers

Answer:

z³=27

³√z³=³√27

z=3

Step-by-step explanation:

z³=27

³√z³=³√27

z=3

Answer:

the answer is 3

if you want the answer with complex number the Answer will be (-3i⁶)

because (-3)³ equal -27

and (i⁶)³ its i¹⁸ and the same time its i² so its -1

Help pleaseeeeeeeeeeee

Answers

Answer:

I think its 302 cubic feet

Lisa recorded a 2-hour television show. When she watched it, she skipped the commercials. It took her
84 minutes to watch the show. How many minutes did she save by skipping the commercials?

Answers

Answer:

36 minutes

Step-by-step explanation:

2 hours in minutes is 120

120-84

36 minutes

What is the greatest common factor of 2x3x5x7 and 2x2x3x5x7?​

Answers

Answer:

are these exponents or numbers?

Step-by-step explanation:

A man just bought 2 suits, 9 shirts, and 11 ties. All of these suits, shirts, and ties coordinate with each other. If he is to randomly select one suit, one shirt, and one tie to wear on a certain day, how many different outcomes (selections) are possible

Answers

Answer: 198 ways

Step-by-step explanation:

Given

A man has 2 suit, 9 shirts, and 11 ties available to select one suit, one shirt, and one tie.

No of ways of selecting 1 suit out of 2 is [tex]^2C_1[/tex]

No of ways of selecting 1 shirt out of 9 are [tex]^9C_1[/tex]

No of ways of selecting 1 tie out of 11 are [tex]^{11}C_1[/tex]

total no of ways of required ways are

[tex]\Rightarrow ^2C_1\times 9C_1\times ^{11}C_1=2\times 9\times 11\\\Rightarrow 198[/tex]

which of the following represents the equality for the sum of 11 and Y is greater than -33​

Answers

Answer:

11+y > -33

Step-by-step explanation:

Answer:

You wrote

"Which of the following" Meaning there's should be options present.

But Going with the statement...

The sum of 11 and y is greater than -33

I'd say

11 + y > -33.

I need this answer today pls it is important pls help me out i will give you a crown and good ratings if you get it write

Answers

the medium is the number between 70 and 77
median: 68
mean: 69
mode: 64
range: 13

find the equation of the line , use exact numbers

Answers

y=1/2x-3

typing this to take up space ignore this

simplify x^2 - 9/x^2 - 3x

Answers

x+3/x or 1/x^8(x-3). if “2-9 & 2-3x” are exponents then the 2nd anwser is the anwser if not then the first.

The simplified form of the expression [tex]x^2 - 9 / x^2 - 3x[/tex] is:

[tex](x - 3)(x + 3) / x^2 - 3x[/tex]

To simplify the expression [tex]x^2 - 9 / x^2 - 3x[/tex], we can factor the numerator and denominator if possible and cancel out any common factors.

First, let's factor the numerator and denominator:

[tex]x^2 - 9[/tex] can be factored as (x - 3)(x + 3).

[tex]x^2 - 3x[/tex] cannot be factored further.

Now, we can rewrite the expression with the factored form:

[tex](x - 3)(x + 3) / x^2 - 3x[/tex]

Next, we can look for any common factors between the numerator and denominator that can be canceled out. In this case, there are no common factors that can be canceled out.

Therefore, the simplified form of the expression  [tex]x^2 - 9 / x^2 - 3x[/tex] is:

[tex](x - 3)(x + 3) / x^2 - 3x[/tex]

To know more about simplified here

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suzanne babysits to earn extra money. she charges $15 for each hour that she babysits. What represents the independent variable in this situation?

A. The total amount charged for babysitting
B. The rate she us paid per hour
C. The number of hours she babysits
D. The number of children she babysits

Answers

Answer:

C. The number of hours she babysits

Step-by-step explanation:

In this situation, the number of hours she babysits is the independent variable.

This is because it will directly influence the amount of money that she earns, which is the dependent variable.

For example, working for 1 hour will earn her $15.

So, the correct answer is C. The number of hours she babysits

An accessories store sells $8 custom socks and $11 custom hats. If 11 items were sold on Monday, and the
total sales were $100, how many socks were sold?

Answers

Answer:

7 socks were sold

Step-by-step explanation:

7*8=56

11-7=4

4×11=44

56+44=100

This proves the answer of 7 to be correct

Two angles are complementary. mZT is (3x + 17)° and mZW is 19°
Solve for x and for mZT.

Answers

Answer:

x = 18

mZT = 71º

Step-by-step explanation:

Complementary angles total 90º

(3x + 17) + 19 = 90

Subtract 19 from both sides

3x + 17 = 71

mZT = 71º

Subtract 17 from both sides

3x = 54

Divide both sides by 3

x = 18

C is a circle with radius r. Which of the following is true?

Select all that apply

A. The diameter of C is 2r

B.the circumference of C is pi*r

C: the circumference of C is 2pi*r

D. One quarter of the circle has length (pi*r)/4

E. One quarter of the circle has length(pi*r)/2

Answers

Answer:

A and C and E are correct

Step-by-step explanation:

Circumference is 2 * pi* r


Suppose George walks I mile every 20 minutes. How many
feet further can he walk in 1 hour at this new rate?

Answers

Answer:

forgot so I have been eating much of my friends are for sure what pic and send you a few weeks I have been a bit but we are not what pic my wife is to inform that

Can someone plz plz plz help will give u brainlest

Answers

x = 45

if 100% = 60, you would multiply 75% by 60 to find x

(75% = .75)
0.75 x 60 = 45


If f(x) = 2x - 1 and g(x) = 2x + 1, evaluate f(g(x)) when x = -3

Answers

Answer:

f(g(-3)) = -11

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets Parenthesis Exponents Multiplication Division Addition Subtraction Left to Right

Algebra I

FunctionsFunction NotationComposite Functions

Step-by-step explanation:

Step 1: Define

Identify

f(x) = 2x - 1

g(x) = 2x + 1

x = -3

Step 2: Evaluate

Substitute in x:                                                                                                  f(g(-3))Substitute in x [Function g(x)]:                                                                         g(-3) = 2(-3) + 1Multiply:                                                                                                             g(-3) = -6 + 1Add:                                                                                                                   g(-3) = -5Rewrite:                                                                                                             f(-5)Substitute in x [Function f(x)]:                                                                           f(-5) = 2(-5) - 1Multiply:                                                                                                             f(-5) = -10 - 1Subtract:                                                                                                            f(-5) = -11
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