URGENT :)) PLS HELP!!!
(Q5)
Determine the inverse of the matrix C equals a matrix with 2 rows and 2 columns. Row 1 is 9 comma 7, and row 2 is 8 comma 6..

A) The inverse matrix of C is equal to a matrix with 2 rows and 2 columns. Row 1 is 3 comma negative 3.5, and row 2 is negative 4 comma 4.5.
B) The inverse matrix of C is equal to a matrix with 2 rows and 2 columns. Row 1 is negative 3 comma 3.5, and row 2 is 4 comma negative 4.5.
C) The inverse matrix of C is equal to a matrix with 2 rows and 2 columns. Row 1 is 6 comma 8, and row 2 is 7 comma 9.
D) The inverse matrix of C is equal to a matrix with 2 rows and 2 columns. Row 1 is negative 9 comma 8, and row 2 is 7 comma negative 6.

Answer:

X side of the triangle in the diagram is the hypotenuse because it's side is long than other side

Hello.

First, let the number be r.

5 times r is written like this:

\(\rm{5r}\)

Now, add 45:

\(\mathrm{5r+45}\)

Now, the sum of 5r+45 is equal to the sum of 85 and 140:

\(\mathrm{5r+45=85+140}\)

In order to solve this equation, we need to add 85 and 140:

\(\mathrm{5r+45=225}\)

Now, subtract 45 from both sides:

\(\mathrm{5r+45-45=225-45}\)

\(\mathrm{5r=225-45}\)

\(\mathrm{5r=180}\)

The last step is to divide both sides by 5:

\(\mathrm{r=36}\)

Therefore, the answer is

\(\rm{r=36}\)

I hope it helps.

Have a nice day.

\(\boxed{imperturbability}\)

Answer:

40,000,000

Step-by-step explanation:

1. C. Gravity is a force that acts as an inversely proportional square law with respect to distance.

2. B. Type Ia supernovae

3. D. Downwards; towards the center of the Sun

The interpretation of the equations and the correct options for the given questions are as follows:

Question 1:

The equation interpretation is related to gravity. The equation states a relationship between gravity and distance. The correct option is:

C. Gravity is a force that acts as an inversely proportional square law with respect to distance.

Question 2:

To test how the constant G (gravitational constant) has changed over the evolution of the Universe, certain phenomena or objects are used. The correct option is:

B. Type Ia supernovae

Question 3:

Based on the excerpt, the direction of gravity from the Sun is described. The correct option is:

D. Downwards; towards the center of the Sun

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Answer:

Step-by-step explanation:

the first expression

Answer:

28

Step-by-step explanation:

    If two secant segments drawn to a circle from an exterior point, then the product of measures of one secant segment and its external secant segment is equal to the product of the measures of the other secant segment and its external secant segment.

 SO =  14 + 4 = 18   ;  SR = 14

  SU = 9 +z  ;  ST = 9

          SO * SR  = SU * ST

              18 * 14 = (9 + z) *9  

                   252= 9*9 + 9 *z {Distributive property}

                   252 = 81 + 9z

Subtract 81 from both sdies,

            252 - 81 = 9z

                   171   = 9z

                      9z = 171

Divide both sides by 9,

                         z = 171 ÷ 9

                         z = 19

SU = 19 +z

     = 19 + 9

     = 28

As sample variance increases, the likelihood of rejecting the null hypothesis and the effect on measures of effect size such as r2 and Cohen's d can be described by the likelihood increases and measures of effect size increase. So, the correct option is A.

As sample variance increases, the data points are more spread out, making it more likely to detect a significant difference between groups, thus increasing the likelihood of rejecting the null hypothesis. Additionally, the larger variance may also lead to larger effect sizes, as r2 and Cohen's d both consider the magnitude of differences in the data. Hence Option A is the correct answer.

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Using a calculator, it can be found that

Rounding to three decimal places,

5n^2 + 7 = 2t, where t is an integer, and thus __(even)__ by definition of even.

a. The theorem can be rewritten in three different ways:
1. As "For every odd integer n, 5n^2 + 7 is even."
2. If "n is an odd integer, then 5n^2 + 7 is even."
3. As "n being an odd integer implies 5n^2 + 7 is even."

b. Fill in the blanks in the proof of the theorem:
Proof: Suppose n is any particular but arbitrarily chosen odd integer.
[We must show that 5n^2 + 7 is even.]
By definition of odd, n = __(2k + 1)__ for some integer k.
Then,
5n^2 + 7 = 5(2k + 1)^2 + 7
= 5(4k^2 + 4k + 1) + 7
= 20k^2 + 20k + 5 + 7
= 20k^2 + 20k + 12
= 2(10k^2 + 10k + 6)

Let t = __(10k^2 + 10k + 6)__. Then t is an integer because products and sums of integers are integers.
Hence 5n^2 + 7 = 2t, where t is an integer, and thus __(even)__ by definition of even [as was to be shown].

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The probability of the weight loss falling between 8 pounds and 11 pounds is 1/2

Variation of weight = Between 6 to 12.

It is required to ascertain the percentage of the overall range that corresponds to that interval in order to calculate the chance that the weight reduction will fall between 8 pounds and 11 pounds.

Calculating the total range of weight -

Range = Higher weight - Lower weight

= 12 - 6

= 6

Similarly, calculating the total range of weight for 8 pounds and 11 pounds

Range = Higher weight - Lower weight

= 11 - 8

Calculating the probability -

Probability = Range of interest / Total range

= 3 / 6

= 1/2.

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Complete Question:

Assume that the weight loss for the first month of a diet program varies between 6 pounds and 12 pounds, and is spread evenly over the range of possibilities, so that there is a uniform distribution. Find the probability of the given range of pounds lost between 8 pounds and 11 pounds

a. 1/2

b. 1/4

c. 2/3

d. 1/3

The values of r and s is -1 and -4 respectively.

Given that:-

coordinates of j are (-8,-5)

coordinates of l are (6,-11)

coordinates of k are (r-4,2s)

Also, k is the mid-point of jl.

We have to find the values of r and s.

We know that, for  (x,y) and (z,w), the mid-point is ((x+z)/2, (y+w)/2).

Here,

(x,y) = (-8.-5)

(z,w) = (6,-11)

(r-4,2s) = ((x+z)/2,(y+w)/2)

Hence,

(r-4,2s) = ((-8+6)/2,(-5-11)/2)

(r-4,2s) = (-1,-8)

Comparing the coordinates, we get:-

r - 4 = -1

r = -1+4 =3

2s = -8

s =-8/2 = -4

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On solving the provided question, we can say that from given information that - rhombus has four congruent sides, exactly two pairs of congruent opposite angles, and its diagonals are perpendicular

Rhombuses are quadrilaterals with all four sides being equal in Euclidean plane geometry. Equilateral triangles are rectangles with equal-length sides, also known as equilateral quadrilaterals. By definition, a square is also a rhombus as a rhombus is a quadrilateral with four congruent sides. Greek word rhómbos, which meaning "spinning top," is the source of the English term "rhombus." Its meaning is "bull form," as in the animal's shape. This results in a loud noise and the object attached to the string spinning.

Only two quadrilaterals—the square and rhombus—have four congruent sides among all quadrilaterals. At this point, the square has only right angles, but the rhombus has one opposing pair of obtuse angles. Rhombus is the solution, thus.

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The expression 2 sin(4x) cos(9x) can be written as the difference of two functions using trigonometric identity as: sin(13x) - sin(5x).

To write the expression 2 sin(4x) cos(9x) as the sum or difference of two functions, we can use the trigonometric identity:

sin(A) cos(B) = (1/2)[sin(A + B) + sin(A - B)]

Applying this identity to the given expression:

2 sin(4x) cos(9x) = 2 * (1/2)[sin(4x + 9x) + sin(4x - 9x)]

Simplifying:

= sin(13x) + sin(-5x)

Note that sin(-θ) = -sin(θ), so we can rewrite sin(-5x) as -sin(5x):

= sin(13x) - sin(5x)

Therefore, the expression 2 sin(4x) cos(9x) can be written as the difference of two functions: sin(13x) - sin(5x).

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Answer:

f(x) = 2x + 3; f(x) = -5/2x + 9; f(x) = -x + 1

Step-by-step explanation:

to find the slopes you must use the equation (y1 - y2) / (x1 - x2)

y is the number that f(x) equals to and x is the number inside the parenthesis

the first one -->

(5 - 3) / (1 - 0) = 2

the y intercept is already given in all equations (it is the one that f(0) equals)

the equation is f(x) = 2x + 3

the second one -->

(4 - 9) / (2 - 0) = -5/2

the equation is f(x) = -5/2x + 9

the third one -->

(1 + 2) / (0 - 3) = -1

the equation is f(x) = -x + 1

Answer:

omg wow

Step-by-step explanation:

Answer:

38 students per bus

Step-by-step explanation:

225-35=190

90/5=38

Answer:

The answerer to this question is a 34

Step-by-step explanation:

Answer:

A. 34

Step-by-step explanation:

Answer:

The answer is One hundred and ten

To see if the two triangles are similar, you first have to get them both in the same direction. You do this by rotating (turning) one shape to align with the other. Such a transformation is called a rotation.

Geometry transformations are movements of two-dimensional shapes in two dimensions, or within their plane. Like restricted game pieces on a game board, you can move two-dimensional shapes in only three ways:

Transform one of the triangles such that the orientation of the triangles is the same.

Identify the corresponding sides of the triangles and write each set of corresponding sides as a ratio. If the ratios of the side lengths are the same for all 3 sides, then the triangles are similar.

Hence, by performing two rigid motions, we can prove the congruence between these two triangles. Now once the triangles are superimposed, we can identify the corresponding parts by checking which side and angle of the initial triangle is superimposed on the transformed triangle.

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When a rectangular prism is sliced diagonally, the cross-section will have five sides. The answer is 8.

A rectangular prism has six faces, and when it is cut diagonally, three of the faces will be cut in two.

When the prism is cut diagonally, the two rectangles are cut in half, and the triangle is divided into three parts.

This results in eight sides to the cross-section.

The equation to calculate the number of sides to a cross-section of a rectangular prism is as follows:

N = F + (1/2 * T), where N is the number of sides, F is the number of faces, and T is the number of triangles.

In this, N = 6 + (1/2 * 4)

= 6 + 2

= 8.

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a. The labor productivity ratio for Mack's guitar fabrication shop is $30 per labor hour, and the multi-factor productivity ratio is $0.3647 per dollar.

b. If option 1 is implemented, the new productivity level would be $0.424 per dollar, and if option 2 is implemented, the new productivity level would be $0.427 per dollar.

a. The labor productivity ratio for Mack's guitar fabrication shop is $30 per labor hour. The multi-factor productivity ratio for Mack's guitar fabrication shop is $0.3647 per dollar.

To calculate the labor productivity ratio, we divide the total output value ($240 per guitar) by the total labor hours required (2 labor hours per guitar). Thus, the labor productivity ratio is $240 / 2 = $120 per labor hour.

To calculate the multi-factor productivity ratio, we divide the total output value ($240 per guitar) by the sum of labor, materials, and overhead costs per guitar ($9 labor cost + $38 materials cost + $4,200 overhead cost). Thus, the multi-factor productivity ratio is $240 / ($9 + $38 + $4,200) = $0.3647 per dollar.

b. If Mack's guitar fabrication shop decides to implement Darren Funk's option 1 to improve the multi-factor productivity, the new productivity level would be $0.424 per dollar. This is obtained by increasing the sales price by 15%, resulting in a new output value of $276 per guitar, while keeping the labor, materials, and overhead costs unchanged.

If Mack's guitar fabrication shop decides to implement Darren Funk's option 2 to improve the multi-factor productivity, the new productivity level would be $0.427 per dollar. This is achieved by improving the quality so that only 15% of the guitars are defective, reducing the scrapped percentage from 22% to 15%, while again keeping the labor, materials, and overhead costs unchanged.

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Answer: Number of children = 280 , Number of adults = 460.

Number of students = 360

Step-by-step explanation:

Let x= Number of children, y = number of adults.

Number of students = y-100

Given: At a local fair, the admission fees are $1.50 for children, $3 for college students, and $5 for adults.

1.50 x + 3 (y-100) + 5 y =3800   (i)

x+y-100+y= 1300 (ii)

From (iii)

1.50x + 3y -300+5y = 3800

⇒ 1.50x + 8y = 4100              (iii)

From (ii)

x+2y= 1200       (*)

⇒ 4x + 8y = 4800    (iv)      [multiply 4 on both sides]

Eliminate (iii) from (iv) , we get

2.5x = 700

⇒ x= 280 [ Divide both sides by 2.5]

Put x= 280 in (*), we get

280+ 2 y= 1200

⇒ 2 y= 920

⇒ y = 460

Hence, Number of children = 280 , Number of adults = 460.

Number of students = 460-100 = 360

Answer:

Step-by-step explanation:

JL = KM

JL = 3*5 + 4 = 19

JL = KM

JL = 2*14 - 6 = 22

Answer:

JL = KM

3x + 4 = 4x - 1

4x - 3x = 4+1

X= 5

JL = 3*5 + 4 = 19

JL = KM

2x - 6 = 3/2x + 1

2x - 3/2x = 1 + 6

1/2x = 7

X= 14

JL = 2*14 - 6 = 22

The volume of the rectangular prism is 18,000,000 cm³.

To calculate the volume of the rectangular prism, we need to determine the number of cubes that fit inside it and then multiply it by the volume of each cube.

Given that the rectangular prism is filled exactly with 8,000 cubes and each cube has an edge length of 15 cm, we can calculate the volume of each cube:

Volume of each cube = (15 cm)³ = 15 cm * 15 cm * 15 cm = 3,375 cm³

Since there are 8,000 cubes, we can multiply the volume of each cube by the number of cubes to find the total volume of the rectangular prism:

Volume of rectangular prism = 8,000 cubes * 3,375 cm³/cube = 27,000,000 cm³

Therefore, the volume of the rectangular prism is 27,000,000 cm³ or 18,000,000 cm³.

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Answer: .018 and .02

Step-by-step explanation:

X=.9Y

X+Y=.038

X=.9Y

X=-Y+.038

-Y+.038=.9Y

-1.9Y=-.038

Y=.02

X+.02=.038

X=.018

Answer:

B' (0,-4)

Step-by-step explanation:

When a point undergoes a reflection across the x-axis, it follows this transformation:

(x, y) --> (x, -y)

(0, 4) --> (0, -4)