What is A−1?
Enter your answer by filling in the boxes. Enter any fractions as simplified fractions.

What Is A1?Enter Your Answer By Filling In The Boxes. Enter Any Fractions As Simplified Fractions.

Answers

Answer 1

Answer:

(-1/2     -1/8

  1/4    3/16)

Step-by-step explanation:

(-3  -2

 4    8 )  ^ -1

First find the determinant

-3 * 8  - (-2 *4) = -24 - (-8) = -24 +8 = -16

Multiply 1 over the determinant by The matrix with the -3 and 8 switched

and negate the -2 and the 4

1/-16(8  2

        -4    -3 )

(-1/2     -1/8

  1/4    3/16)

Answer 2

Answer:

-1/2     -1/8

1/4    3/16

Step-by-step explanation:


Related Questions

Use the graph below to find the following:
A) what is the slope of the line?
B) what is the y intercept of the line?
C) what is the equation of the line in slope intercept form?

Use the graph below to find the following:A) what is the slope of the line?B) what is the y intercept

Answers

A.) The slope is m=-2

B.) The y-intercept is b=-5

C.) The equation is: y=-2x-5

How does the graph of g(x) = (x − 2)^3 + 6 compare to the parent function of f(x) = x^3?

g(x) is shifted 2 units to the right and 6 units down.
g(x) is shifted 2 units to the right and 6 units up.
g(x) is shifted 2 units to the left and 6 units down.
g(x) is shifted 6 units to the left and 2 units down.

Answers

The transformation to the parent function f(x) from g(x) is (b) g(x) is shifted 2 units to the right and 6 units up

How to compare the graphs?

The equations are given as:

f(x) = x^3

g(x) = (x - 2)^3 + 6

The function g(x) can be rewritten as:

g(x) = (x - h)^3 + k

This means that the function f(x) is shifted right by h units and shifted up by k units.

By comparison:

h = 2 and k = 6

Hence, the transformation to the parent function f(x) from g(x) is (b) g(x) is shifted 2 units to the right and 6 units up

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ABCD is a rhombus. Solve y.
12yº.
A
y=
B
4x + 15
F
D
C
(4y − 1)º
7x+2

ABCD is a rhombus. Solve y.12y.Ay=B4x + 15FDC(4y 1)7x+2

Answers

Here in the rhombus ABCD the value of y is 7.5.

What is rhombus?

A rhombus is a unique kind of quadrilateral with four equal sides and perpendicular diagonals that cut the angles and one another in half.

So here 4x+15 = 7x+2 and

12y = 90.

To find the remaining values by first solving for each variable, then substituting as necessary.

4x+15=7x+2

15=3x+2

13=3x

13/3 = x

BC is 4x+15

= 4(13/3)+15

= 52/3 + 45/3

= 97/3

CD is 7x+2

= 7(13/3)+2

= 91/3 + 6/3 = 97/3

Then, find 12y=90 and y=7.5.

AFB is a 90° angle (12(7.5)).

BCF is a 4y-1 = 4(7.5)-1 = 29 angle.

Because the diagonal cuts the angle in half, angle BCD is equal to 58. Angle ABC thus becomes 180-58 = 122.

Therefore the value  of  y  is 7.5 .

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PLEASE HELP I GOT IT WRONG EARLIER AND THE WRONG ANSWER WAS H PLS HELP!!​

PLEASE HELP I GOT IT WRONG EARLIER AND THE WRONG ANSWER WAS H PLS HELP!!

Answers

Answer:

H. 39.6

Step-by-step explanation:

i promise this is the right answer!

there is a mean, mode, range etc. calculator that can help you!

The map shows an obstacle course at a school fair. The units are given in yards.
What is the total distance of
the obstacle course?
? yards
Start
(-40, -10)
Tire
Race
(-40, -30)
Finish
(10, 20)
Monkey
Bars
(40,20)
Rope
Climb
(40,-30)

Answers

The total distance of the obstacle course can be calculated by finding the distance between each pair of consecutive points and adding them up. The distance between two points (x1, y1) and (x2, y2) can be calculated using the formula: distance = sqrt((x2 - x1)^2 + (y2 - y1)^2).

Using this formula, we can calculate the distances between each pair of consecutive points as follows:

Start to Tire Race: distance = sqrt((-40 - (-40))^2 + (-30 - (-10))^2) = 20 yards

Tire Race to Rope Climb: distance = sqrt((40 - (-40))^2 + (-30 - (-30))^2) = 80 yards

Rope Climb to Monkey Bars: distance = sqrt((40 - 40)^2 + (20 - (-30))^2) = 50 yards

Monkey Bars to Finish: distance = sqrt((10 - 40)^2 + (20 - 20)^2) = 30 yards

Adding up all these distances, we get a total distance of 20 + 80 + 50 + 30 = 180 yards for the obstacle course.

Write a number in wich the value of the 6 is one tenth the value of the 6 in 35,629

Answers

Answer:

101,168

Step-by-step explanation:

The value of 6 in the given number 35,629 is the hundreds value.

35,629.

You are trying to find a number in which the number 6 is in 1/10th of the value of the original number. In this case, divide the hundreds value by 10:

100/10 = 10

Place the value 6 in the tens digit place value for any number.

101,168 can be a answer choice.

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Javier works each weekend at an animal shelter where he earns $8 an hour. He is saving his earnings to go on a ski trip that costs $190. Javier's Work Record 10 9 Saturday - Sunday Number of Hours 0 1 2 Weekends Leth be the number of hours Javier worked Select all the true statements.​

Answers

Answer:

Question is incomplete

Step-by-step explanation:

Find the perimeter of a rectangle that has a dimensions of 3 2/5 feet by 5 1/4 feet.

Answers

Answer:

16.58

Step-by-step explanation:

First you have to convert 3 2/5 into a decimal (3.04) than you have to add that number by itself (3.04 + 3.04) which equals 6.08 Second you Convert 5 1/4 into a decimal (5.25) Than again you add that number by itself (5.25 + 5.25) which equals 10.5 you would than take 6.08 and 10.5 and add those together to get 16.58

what is the difference between ANOVA and Z-test Hypothesis

Answers

The difference between ANOVA and Z-test Hypothesis is the Z-test is employed to contrast the averages of single or dual populations, whereas ANOVA is utilized for assessing the means across three or more clusters.

How to determine the difference

The Z-test becomes possible in  the comparison of the mean of a sample to that of the population. It evaluates if there is statistical relevance in the difference between the mean of a sample and the mean of the whole population

In contrast, ANOVA is employed to contrast the averages of three or more separate groups. This assesses if there is a noteworthy distinction in the averages of said groups. The F-statistic in ANOVA is computed by assessing the disparity in variability between groups and the variability within groups.

In a nutshell, the Z-test is employed to contrast the averages of single or dual populations, whereas ANOVA is utilized for assessing the means across three or more clusters.

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Merge onto Highway 40 and drive 3/5
mile. Stop and pay the toll. Then
continue on Highway 40 for twice this.
distance. How much longer will you be
on Highway 40 after you pay the foll?

Answers

Distance traveled after toll payment is 1.2 miles on highway 40.

What is Distance ?

The distance may be calculated using a curved route. Displacement measurements can only be made along straight lines. Distance is path-dependent, meaning it varies depending on the direction followed. Displacement simply depends on the body's beginning and ending positions; it is independent of the route.

Distance is the sum of an object's movements, regardless of direction. Distance may be defined as the amount of space an item has covered, regardless of its beginning or finishing position.

The size or extent of the displacement between two points is referred to as distance. Keep in mind that the distance between two points and the distance traveled between them are not the same. The entire length of the journey taken between two points is known as the distance traveled. Travel distance is not a vector.

Distance traveled before toll payment =3/5 miles on highway 40

Distance traveled after toll payment =2*3/5  = 6/5 =

1.2 miles on highway 40.

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ITS DO TODAY HELPPPPPPP

ITS DO TODAY HELPPPPPPP

Answers

The difference in the addition of both fractions is that they have different lowest common multiples.

How to solve Fraction Problems?

We want to add the fraction expression given as:

¹/₂ + ¹/₄

Taking the Lowest common multiple of 8, we have:

(4 + 2)/8 = 6/8

However, for the second fraction expression, we have:

¹/₂ + ¹/₃

Taking the lowest common multiple which is 6, we have:

(3 + 2)/6 = 5/6

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Thera are 9 players on a baseball team a club has 9 baseball teams how many baseball players are in the club

Answers

Answer:

81

Step-by-step explanation:

Answer:

81

Step-by-step explanation:

9 in each team and theres 9 teams in all

9*9=81

Need help ASAP

the value of each variable. If your answer is not
teger, express it in simplest radical form.
The length of a is
The length of b is
(Simplify your answer.)

Need help ASAPthe value of each variable. If your answer is notteger, express it in simplest radical

Answers

Answer:

me too (help)

Step-by-step explanation:

Please help will give BRAINLIEST

Please help will give BRAINLIEST

Answers

Answer:

2nd table

Step-by-step explanation:

These two polygons are similar.

These two polygons are similar.

Answers

Answer:

\(\huge\boxed{z=3}\)

Step-by-step explanation:

If two polygons are similar, then corresponding sides are in proportion.

The corresponding sides:

4 → x

y → 15

3 → w

2 → 6

z → 9

therefore:

\(\dfrac{z}{9}=\dfrac{2}{6}\)         cross multiply

\((z)(6)=(9)(2)\)

\(6z=18\)         divide both sides by 6

\(z=3\)

Answer:

Step-by-step explanation:

Flag question
You buy halibut at $30 per
pound,
One portion of seared
halibut requires 6 ounces of
halibut.
How much does the halibut
for one portion cost? Round
to the nearest cent.​

Answers

Answer:

$11.25

Step-by-step explanation:

price = $30/lb

16 oz = 1 lb

1 portion = 6 oz = 6/16 lb = 3/8 lb

$30/lb * 3/8 lb = $11.25

Francium is an element with a half-life of 22 minutes. 1000 grams of francium is placed into a bowl determine how much Francium (in grams) will be left after 2 hours

Francium is an element with a half-life of 22 minutes. 1000 grams of francium is placed into a bowl determine

Answers

The amount of the element, Francium, that will remain after 2 hours is 31.25 grams.

Half-life problem

To determine how much francium will be left after 2 hours, we need to calculate the number of half-lives that occur within that time period.

Given that the half-life of francium is 22 minutes, we can calculate the number of half-lives in 2 hours (120 minutes):

Number of half-lives = (Total time elapsed) / (Half-life)

Number of half-lives = 120 minutes / 22 minutes ≈ 5.4545

Since we can't have a fraction of a half-life, we take the integer part, which is 5.

Each half-life represents a halving of the amount of francium. So, after 5 half-lives, the remaining amount of francium can be calculated using the formula:

Remaining amount = Initial amount * (1/2)^(Number of half-lives)

Given that the initial amount is 1000 grams, we can calculate the remaining amount after 2 hours:

Remaining amount = 1000 grams * \((1/2)^5\)

Remaining amount ≈ 1000 grams * 0.03125

Remaining amount ≈ 31.25 grams

Therefore, after 2 hours, approximately 31.25 grams of francium will be left.

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4. Uncle Royce is 42. What is his target heart rate range?
O 120-180 beats per minute
O 150-200 beats per minute
O116-160 beats per minute
O170-236 beats per minute

Answers

Step-by-step explanation:

70 to 85 % of his maximum

Maximum is estimated to be 220 - age  = 220 - 42 = 178

70% of this is 125

85 % is 89  151  

I believe I would go with the third choice  116-160 bpm

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

elementary surveying two ridges b and c forms a valley having a at the bottom part in between the ridges. elevation difference between b nad c is 111..356 m. observing at point a, the angle of elevation is

Answers

the difference of elevation between a and b.Let AB = x, tan 36 = x/111.356 ,x = 111.356 tan 36= 64.39 m and Difference in elevation = 64.39m

We are given that two ridges B and C form a valley with a point A at the bottom part with an elevation difference of 111.356m between the ridges and and angle of elevation of 36 degrees at point A. To find the difference of elevation between A and B, we use the formula of tangent which is tan θ = Opposite/Adjacent. We substitute the values and solve for x, which is the elevation difference between A and B. So the difference in elevation between A and B is 64.39m.

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What function is represented in the graph

What function is represented in the graph

Answers

Y= 2(.3^x)
Explanation:
Graphing it

Write a linear function for the graph, and state and interpret the slope and y-intercept for the given scenario:

Bamboo grows very quickly. Use the information in the graph to write an equation that models the height (y) at time (x).

Write a linear function for the graph, and state and interpret the slope and y-intercept for the given

Answers

The linear function for the given graph is y = x + 20.

What is a linear function?

A straight line on the coordinate plane is represented by a linear function. It has one independent variable and one dependent variable. For slope (m) and y-intercept (b) form, the equation is given by:

y = mx + b

From the graph,

The coordinates of the given graph are (0,20) and (20,40)

Then, slope (m) = (40-20)/(20-0) = 20/20 = 1

and y-intercept (b) = 20

So, the equation will be y = 1x + 20

Hence, the linear function for the given graph is y = x + 20.

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A committee of four people is formed by selecting members from a list of 12 people.
How many different committees can be formed?

__ committees

Answers

The number of different committees that can be formed is 495

How many different committees can be formed?

From the question, we have the following parameters that can be used in our computation:

People = 12

Committee = 4

These can be represented as

n = 12 and r = 4

The number of different committees that can be formed is

Number = nCr

So, we have

Number = 12C4

Evaluate

Number = 495

Hence, the committee are 495

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which equations represents the line that is perpendicular to y= 5x+4 and passes through the point (-5,2)

Answers

well the slope of line would be -1/5

equation of line = (y-2) =-1/5(x+5)

what is the rule sequence for 5/6 11/2 21/6 25/6

Answers

Given the sequence :

\(\frac{5}{6},\frac{11}{2},\frac{21}{6},\frac{25}{6},\ldots\)

if a news paper costs 25p how much would 3 weeks . if the the paper is puplished six days each week

Answers

The best i could find out is 450p

how many centimeters of snow accumulate

Answers

Ko, this is the solution:

• d = 5h, where

,

• d = depth of snow in centimeters that accumulates in Harper's yard

,

• h = hours of snowstorm

,

• 5 = constant of proportionality

Part A

In consequence, for accumulating 1 centimeter of snow in Harper's yard, it will take:

d = 5h

1 = 5h (One centimeter of snow)

h = 1/5 hours

h = 0.2 hours

Part B

Therefore, using again the formula given, we have:

d = 5h

d = 5 * 1 (One hour)

d = 5 centimeters

Given: A (-3, 5) and B (4, -2), what is the length of AB?

Answers

After considering the given data we come to the conclusion that the length of AB is 12.124 units, under the condition that A (-3, 5) and B (4, -2) are the given coordinates.

The distance between two points in a plane can be found using the distance formula which is an application of the Pythagorean theorem. The formula is given by d=√ ( ((x₂ – x₁ )² + (y₂ – y₁ )²)

Here (x₁, y₁) and (x₂, y₂) are the coordinates of the two points.

Applying the given coordinates of A (-3, 5) and B (4, -2), we can evaluate the distance between them as follows:

d = √( (4 - (-3))² + (-2 - 5)² )

 = √(7² + (-7)²)

 = √(98 + 49)

 = √147

 = 12.124

Therefore, the length of AB is approximately 12.124 units.

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A ladder 5 m long, leaning against a vertical wall makes
an angle of 65° with the ground. How far up the wall is
the top of the ladder?

Answers

The height of the top of the ladder from the ground is 4.53 m

Step-by-step explanation:

Given:

length of ladder =5 m

Angle formed = 65°

Let h be the Height of the top of the ladder from the ground

Required:

Height of the top of the ladder from the ground

Equation:

SOH-CAH-TOA

Since the hypotenuse side is given and what we are to solve is the opposite side, use SOH

\(sinθ\:=\: \frac{opposite}{hypotenuse}\)

\(sin(65°)\:=\: \frac{opposite}{5\: m}\)

\(opposite\:=\:(5 \:m )\:sin(65°)\)

\(opposite\:=\:4.53 \:m\)

Final Answer:The height of the top of the ladder from the ground is 4.53 m

Please refer to the photo for the illustration

A ladder 5 m long, leaning against a vertical wall makesan angle of 65 with the ground. How far up the

Translate the following statement to a symbolic representation.Paul Blart is an alias for 007 and he is a millionaireQuestion 8 options:1) p → q2) p ↔ q3) p ∧ q4) ~p5) p ∨ q

Answers

We want to translate the following statement to a symbolic representation:



Paul Blart is an alias for 007 and he is a millionaire

To do so, we must identify first the most basic sentences that conform this statement. These are:

- Paul Blart is an alias for 007

-he is a millionaire

WE see that these two sentences are joined by the "AND" conjuntion.

Let us call the first statement p and the second statement q. So if we replace this symbols in the expression it would look like this

p and q

now, we give the conjunction and a symbol, which is ^. So the statement in symbolic representation would be

p^q

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