Solve for z in the proportion.
60
90
Z =
22
Z + 17
Submit

Answer:

-243 and 729

Step-by-step explanation:

this is a geometric sequence.

to find the nth term of a geometric sequence is given by

U(n) = ar^(n-1)

where n is the term to find, a is first term and r is the common ratio

for this question, a = 1, r = -3/1 = 9/-3 = -3.

we want the 6th and 7th terms.

U(6)  = (1) (-3)^(6-1)

       = (-3)^5

       = -243.

U(7) = (1) (-3)^(7-1)

       = (-3)^6

      = 729

The main idea behind statistical inference is that through the use of sample data, we are able to draw conclusions about the population from which the data was drawn (option c).

Statistical inference allows us to make inferences and draw conclusions about a larger population based on the analysis of a smaller representative sample.

By collecting data from a sample, we can use statistical methods to analyze and summarize the information. These methods include estimating population parameters, testing hypotheses, and making predictions.

The key assumption underlying statistical inference is that the sample is representative of the larger population, allowing us to generalize the findings to the population as a whole.

Statistical inference provides a way to make reliable and informed decisions, identify patterns and relationships, and make predictions about future observations based on the available data. It allows researchers, scientists, and decision-makers to make evidence-based conclusions and draw meaningful insights from limited observations.

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Answer: 6 boards

Step-by-step explanation:  If you convert 2/3 into ninths by multiplying by 3/3 you will get 6/9.  You can then easily see that 6/9 has 6 individual 9ths or 6 boards to cut.

Two triangles can be formed using the given measurements,

19. Triangle 1: A = 64°, B ≈ 53.07°, C ≈ 62.93°, a = 16, b ≈ 14.83, c ≈ 16.64

Triangle 2: A = 64°, B ≈ 126.93°, C ≈ 9.07°, a = 16, b ≈ 80.17, c ≈ 8.98

20. Triangle 1: A ≈ 52°, B = 38°, C ≈ 94°, a ≈ 22.57, b = b, c ≈ 34.60

Triangle 2: A ≈ 128°, B = 38°, C ≈ 14°, a ≈ 22.57, b = b, c ≈ 16.66

19. We are given angle A and the side opposite to it, a. We can use the law of sines to find the other sides and angles of the triangle:

a/sin(A) = b/sin(B) = c/sin(C)

b/sin(B) = a/sin(A)

b = a × sin(B)/sin(A)

b = 16 × sin(64°)/sin(180°-64°-90°)

b ≈ 14.83

c/sin(C) = a/sin(A)

c = a × sin(C)/sin(A)

c = 16 × sin(68°)/sin(64°)

c ≈ 16.64

Therefore, the two triangles are:

Triangle 1: A = 64°, B ≈ 53.07°, C ≈ 62.93°, a = 16, b ≈ 14.83, c ≈ 16.64

Triangle 2: A = 64°, B ≈ 126.93°, C ≈ 9.07°, a = 16, b ≈ 80.17, c ≈ 8.98

20. We are given angle B. Let the length of the side opposite to B be b. We can use the fact that the angles in a triangle add up to 180° to find angle A, and then use the law of sines to find the remaining sides and angles:

A = 180° - 90° - 38°

A = 52°

a/sin(A) = b/sin(B) = c/sin(C)

a/sin(52°) = b/sin(38°)

c/sin(C) = b/sin(38°)

c = b*sin(C)/sin(38°)

The angles in a triangle add up to 180°, so we have:

C = 180° - A - B

C ≈ 94°

Substituting the values of A, B, and C in the above equations, we get:

a ≈ 22.57

b = b

c ≈ 34.60

Therefore, the two triangles are:

Triangle 1: A ≈ 52°, B = 38°, C ≈ 94°, a ≈ 22.57, b = b, c ≈ 34.60

Triangle 2: A ≈ 128°, B = 38°, C ≈ 14°, a ≈ 22.57, b = b, c ≈ 16.66

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The question is -

In Exercises 19-22, two triangles can be formed using the given measurements.

Solve both triangles.

19. A = 64°, a = 16,

20. B 38°

Answer:

7,091.61

Step-by-step explanation:

If you have a number 1. (39393939) and you have another number 2. (5555) and you want the second number to get the same amount as the other numbers but evenly, you need to divided the first number with the second number.

Ex. 39393939/ 5555 = 7,091.61

So each bunny will get 7,091.61 carrots.

Answer: answer is sharan

Step-by-step explanation:

The area of the given figure is 12 square meters

The given figure is a parallelogram

Parallelogram is a geometric figure that has both pair of opposites parallel sides and opposite sides are equal . Number of vertices and edges are four

The height of the parallelogram = 2 meters

The base length of the parallelogram = 6 meters

The area of the parallelogram = The height of the parallelogram × The base length of the parallelogram

Substitute the values in the equation

The area of the parallelogram = 2 × 6

Multiply the numbers

= 12 square meters

Therefore, the area is 12 square meters

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I have solved the question in general , as the given question is incomplete

The complete question is :

What is the area of the figure ?

The risk in the unexposed group over 21 years of follow-up is approximately 0.2562%.None of the provided options match the calculated value exactly.

To calculate the risk in the unexposed group, we need to divide the number of cases by the total person-years of follow-up.

Given information:

Unexposed group:

Individuals (n1): 18,842

Person-years (PY1): 351,551

Cases of smoking cessation (C1): 9

Risk in the unexposed group is calculated as:

Risk1 = (C1 / PY1) * 100%

Risk1 = (9 / 351,551) * 100%

Calculating the risk:

Risk1 ≈ 0.0025621 * 100%

Risk1 ≈ 0.2562%

Therefore, the risk in the unexposed group over 21 years of follow-up is approximately 0.2562%.

None of the provided options match the calculated value exactly.

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Answer:

$223.45

Step-by-step explanation:

premium fuel: 4.59 x 545

= 2501.55

regular fuel: 4.18 x 545

=2278.1

2501.55-2278.1 = 223.45

The derivative function is given as

and f(0) = - 1 and f'(0) = 3

To determine the function,

It is also given that f(0) = - 1.

Take the integral and find the function

Then the function is determined as

Hence the function is determined as

The value of x should be less than 3.5.

Given that sides of a triangle are x cm, x + 3 cm and 10 cm. We need to find the lowest value of x,

Using the triangle inequality theorem,

The triangle inequality theorem states that, in a triangle, the sum of lengths of any two sides is greater than the length of the third side.

So,

x + x + 3 > 10

2x + 3 > 10

2x < 7

x < 3.5

Hence the value of x should be less than 3.5.

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Answer:

18

Step-by-step explanation:

8+10=18

hope this helps :)

Answer:

18

Step-by-step explanation:

10+8=18.

Answer:

\(x^4y^2-6x^3y^3 = x^3y^2(x - 6y)\)

Step-by-step explanation:

to pick out common factors, you have to find the highest common denominator. We start by listing units and variables:

we can divide the x^4y^2 by up to x^4 and up to y^2, cannot divide by non-variable numbers

we can divide 6x^3y^3 by up to x^3 and up to y^3, and by 6 if we needed to.

This means that for units, we're not dividing (because we can't simplify x^4y^2 dividing by a bare number.

For x, we can divide both by x^3, because we can divide both by x^3, but cannot divide 6x^3y^3 by x^4 or more.

For y, we can divide both by y^2, because we can divide both by y^2, but cannot divide x^4y^2 by x^3 or more.

We take the x^3y^2 and bring it in front of the brackets.

Disclaimer: when I say "cannot divide" I mean "cannot divide without introducing fractions or negative exponents".

Answer: -4

Step-by-step explanation:

1. -4(m+6) = -8 (Simplify)

2. -4m -24 = -8 (Add 24 to -8)

3. -4m = 16 (Divide -4 by both sides to isolate m)

4. m = -4

HOPE THIS HELPED YOU!

The write-off of the receivable from Madonna Inc. is a necessary adjustment to ensure the accuracy of Marin Co.'s financial statements. Without it, the company's accounts receivable would be overstated and their financial statements would not provide an accurate portrayal of the company's financial position.

At the end of 2024, Marin Co. had accounts receivable of $673,200 and an allowance for doubtful accounts of $24,010. On January 24th, 2025, it was determined that the company's receivable from Madonna Inc. was not collectible and management authorized a write-off of $4,147. This action reduces the accounts receivable balance by $4,147, and reduces the allowance for doubtful accounts by the same amount. The net effect on the balance sheet is a reduction of $4,147 in both accounts receivable and allowance for doubtful accounts.

The impact of the write-off on the company's financial statements is a decrease in net income for the period. This is because a write-off is recognized as an expense, which reduces the amount of net income reported in the period. The amount of the write-off is recorded as an expense on the income statement. In this case, the amount of the write-off is $4,147.

The journal entry to record the write-off would be: Accounts Receivable 4,147; Allowance for Doubtful Accounts 4,147. This entry reduces the accounts receivable and allowance for doubtful accounts by $4,147. The write-off of $4,147 is recorded as an expense on the income statement, and this reduces the net income reported for the period.

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Answer:

b

Step-by-step explanation:

Answer:

D

Step-by-step explanation:

a^2 + b^2 = c^2

a = 10

c = 15

b = ?

10^2 + b^2 = 15^2         Substitute known values for a and c

100 + b^2 = 225           Subtract 100 from both sides

b^2 = 225 - 100

b^2 = 125                        Take the square root of both sides

sqrt(b^2) = sqrt(125)        

125 = 5*5*5

sqrt(b^2) = sqrt(5*5*5)

for every pair of equal factors, one can be taken from under the square sign; the other factor disappears.

b = 5 sqrt(5)

Theoretical probability is what we expect to happen, where experimental probability is what actually happens when we try it out. The probability is still calculated the same way, using the number of possible ways an outcome can occur divided by the total number of outcomes.

-  

Answer:

Theoretical probability is what is expected to happen, where as experimental probability is what happens when you test out that theory. There is a very unlikely chance that a concept in theory would be the same as a concept in action, therefore explaining why these answers are not alike.

Step-by-step explanation:

Hope this helps take off some stress from school, have a great day :))

Answer:

20

Step-by-step explanation:

P, perimeter of triangle = a + b + c

We're given P = 140 and it is an isosceles triangle.

We can change P to be 2a + b since 2 sides are equal in an isosceles

So, 140 = 2a + b

One side is 3x longer than the other. The equal sides in the triangle can not be 3x longer than each other since it is equal.

And the isosceles sides are longer than the 1 base side.

So if a = our isosceles sides, and b is our base side, than a is 3x our base side which can be written as a = 3b

Now, 140 = 2(3b) + b, and we can now solve

140 = 6b + b => 140 = 7b

20 = b

Our base length is 20.

Answer:

  x = -3

Step-by-step explanation:

You want to know the equation of the axis of symmetry, given that the vertex coordinates of the quadratic are (-3, 4).

The equation of the axis of symmetry is the equation of the vertical line through the vertex. You have correctly located that line at x = -3. (Good Job)

The equation of the axis of symmetry is ...

  x = -3

__

Additional comment

The equation of a vertical line is of the form x = c, where c is some constant. Here, we need to choose that constant so the line will go through a point that has x-coordinate x = -3. The constant will be -3.

The value of Ix and Iy are 3571.82 in⁴ and 4213.26 in⁴ respectively.

The problem given is to find Ix and Iy for the given T-section. The given dimensions are h=15 in, b=see above, t=2 in. The following formula will be used to determine Ix and Iy.

Ix = Ix’ + A’ x d2Iy = Iy’ + A’ x d2First of all, we need to find out the Centroid of the given T-section to calculate Ix and Iy.These are the steps to find the centroid of the T-section:

Step 1: Area of the rectangular part = b*hArea of the rectangular part = 12*15Area of the rectangular part = 180 in²

Step 2: Centroid of the rectangular part lies at the center, i.e., h/2 = 15/2Centroid of the rectangular part lies at a distance of 7.5 in from the x-axis

Step 3: Area of the triangular part = 1/2 * h * tArea of the triangular part = 1/2 * 6 * 12Area of the triangular part = 36 in²

Step 4: The centroid of the triangular part lies at a distance of t/3 from the base.Centroid of the triangular part lies at a distance of 2/3 * 12 = 8 in from the x-axis.

Step 5: Total Area = Area of the rectangular part + Area of the triangular part Total Area = 180 + 36Total Area = 216 in²

ind for the triangular section\(= 7.583 – 8 = -0.417 inIy = 5400 + 180* -0.417² + 36* -0.5²Iy = 4213.26 in⁴\)

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The constant of proportionality from the proportional relationship is 3/2

A proportional relationship is a mathematical relationship between two variables in which their ratio is always equal. In other words, if x and y are in a proportional relationship, then y/x is always equal to a constant value, called the constant of proportionality. This can be expressed mathematically as y = kx, where k is the constant of proportionality and x and y are the variables in the relationship.

To determine the constant of proportionality, we need to use the proportional relationship given.

y = kx

k = constant of proportionality

3/8 = k(1/4)

Solve for k

k = [(3/8) / (1/4)]

k = 3/2

k = 1.5

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The equation of a plane that passes through a point and is parallel to the YZ plane can be written as:

x = constant

When a plane is parallel to the YZ plane, it means that its normal vector is perpendicular to the X-axis. Since the normal vector is perpendicular to the X-axis, the X-coordinate of any point on the plane remains constant.

To find the equation of the plane, we need a point that lies on the plane. Let's assume the point (a, b, c) lies on the plane.

Since the plane is parallel to the YZ plane, the X-coordinate of any point on the plane will remain constant. Therefore, we can say that x = a.

The equation of the plane becomes:

x = a

The equation of a plane that passes through a point and is parallel to the YZ plane is given by the equation x = a, where a is the constant X-coordinate of any point on the plane. This equation represents all points where the X-coordinate remains constant, while the Y and Z coordinates can vary freely.

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Answer:y = 4x-5.

Step-by-step explanation:

Answer:

see explanation

Step-by-step explanation:

The equation of a circle in standard form is

(x - h)² + (y - k)² = r²

where (h, k) are the coordinates of the centre and r is the radius

(x - 3)² + (y + 4)² = 36 ← is in standard form

with (h, k) = (3, - 4 ) = centre and r = \(\sqrt{36}\) = 6

Susan interpreted the values of h and k incorrectly by using the values - 3 and 4 instead of taking the negative of them.

She also divided 36 by 2 , thus omitting the root of 36

In the equation y = mx + c if we substitute the value of x as zero we will get a point on the y axis given by y =(m × 0) + c ⇒ y = c. Therefore the point of the line on the y axis is (0, c) and so c is also called the y -intercept  of the line.

Now, According to the question:

i) from the general equation of line we know that any line can be represented in the form y = mx + c , where m is a constant and is called the slope of the line and c is also a constant and is the y-intercept.

ii) In the equation y = mx + c if we substitute the value of x as zero we will get a point on the y axis given by y =(m × 0) + c ⇒ y = c. Therefore the point of the line on the y axis is (0, c) and so c is also called the y intercept  of the line.

iii) If for example we have the line 3y = 6x + 12 then we first get this equation of the line to match the general form of the equation of the line, that is y = mx + c. Therefore dividing both the left and the right sides of the given equation of the line by 3 we get y = 2x + 4 which matches with the general form of the equation for line and we see that the slope of the given line is m = 2 and the y intercept is given by c = 4.

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Answer:

Hello! The answer to your question will be below.

Step-by-step explanation:

The answer would be clockwise.

So point k was rotated 90 degrees clockwise.....

Review.....

Question:

Point K is rotated 90 degrees. The coordinate of the pre-image point K was (2,-6) and it’s image K’ is at the coordinate (-6,-2).Find the direction of the rotation.

THE DIRECTION OF THE ROTATION WAS CLOCKWISE.

Hope this helps! :)

⭐️Have a wonderful day!⭐️

Answer:

clockwise.

So point k was rotated 90 degrees clockwise.....

Review.....

Question:

Point K is rotated 90 degrees. The coordinate of the pre-image point K was (2,-6) and it’s image K’ is at the coordinate (-6,-2).Find the direction of the rotation.

Step-by-step explanation:

The  statement is d) Line segments E'F' and G'H' do not intersect and are the same distance apart as EF and GH.

The figure shows a pair of parallel line segments on a coordinate grid: Line segment GH runs from (-1, -1) to (3, -1), and line segment EF runs from (-1, -2) to (3, -2).

To determine the characteristics of line segments E'F' and G'H' after being translated 2 units to the right, we need to apply the translation to the endpoints of the original line segments.

Applying a translation of 2 units to the right:

Endpoint E: (-1, -2) + (2, 0) = (1, -2)

Endpoint F: (3, -2) + (2, 0) = (5, -2)

Endpoint G: (-1, -1) + (2, 0) = (1, -1)

Endpoint H: (3, -1) + (2, 0) = (5, -1)

Now, let's analyze the statements:

a) Line segments E'F' and G'H' do not intersect and are closer together than EF and GH.

  This statement is false. E'F' and G'H' do not intersect, but they are not closer together than EF and GH. They are actually farther apart.

b) Line segments E'F' and G'H' intersect at (-2, 0) and are two times farther apart than EF and GH.

  This statement is false. E'F' and G'H' do not intersect at (-2, 0). They have different coordinates for their endpoints.

c) Line segments E'F' and G'H' intersect at (0, -2) and are two times closer together than EF and GH.

  This statement is false. E'F' and G'H' do not intersect at (0, -2). They have different coordinates for their endpoints.

d) Line segments E'F' and G'H' do not intersect and are the same distance apart as EF and GH.

  This statement is true. E'F' and G'H' do not intersect, and they have the same distance between them as EF and GH.

Therefore, the correct statement is d) Line segments E'F' and G'H' do not intersect and are the same distance apart as EF and GH.

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Answer:

9.7959 sec

Step-by-step explanation:

For the arrow to reach the same height as the bow again, - 4.9x^2+48x=0, 48=4.9x, x=48/4.9=9.7959

The time arrow take to come back to a height even with his bow height is 9.79 seconds.

We have an equation of the height of the arrow with respect to time -\(y = -4.9x^{2} +48x\) where y is the height of the arrow in meters above Andrew's bow and x is the time in seconds since Andrew shot the arrow.

We have to find out - how long it takes the arrow to come back to a height even with his bow height.

It is an example of two - dimensional Projectile motion.

We have the function that depicts the variation of height of the arrow with respect to time given by -

\(y=-4.9x^{2} +48x\)

To find the time taken by the arrow to come to a height even with his bow height, we should equate y = 0.

\(y=-4.9x^{2} +48x=0\\-4.9x(x-9.79)=0\\-4.9x=0\;\;\;and\;\;\;x-9.79=0\\x =0\;\;\;and\;\;\;x=9.79\)

Time cannot be 0, hence the time arrow take to come back to a height even with his bow height is 9.79 seconds.

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