Work out the value of x. 6x + 24 5x - 14 6x + 26 3x - 22 4x + 10​
ASAP

Answer:

[tex]\frac{w^{6} }{9}[/tex]

Step-by-step explanation:

To divide powers that have the same base, subtract the denominator's exponent from the numerator's exponent.

Doing so leaves us with [tex]3^{-2}[/tex] [tex]k^{0}[/tex][tex]w^{6}[/tex].

Next, you need to calculate 3 to the power of −2 to get  [tex]\frac{1}{9}[/tex].

Then, calculate k to the power of 0 to get 1.

Multiply  [tex]\frac{1}{9}[/tex] and 1 to get [tex]\frac{1}{9}[/tex].

This leaves us with [tex]\frac{1}{9} w^{6}[/tex], which is equivalent to our final answer.

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The relationships between the line segments in the diagrams are as follows:

a) Equal Length

b) Parallel

c) Perpendicular

d) Equal Length

Let's analyze each diagram and determine the relationships between the line segments.

a) Equal Length:

In this diagram, the two line segments appear to be of the same length. They do not appear to be parallel or perpendicular to each other. When the lengths of two line segments are equal and their orientation doesn't affect this equality, we say they are of equal length. In this case, both line segments simply share the same length without any specific angle relationship.

b) Parallel:

In this diagram, the two line segments run side by side in the same direction and do not intersect. When two lines follow this pattern, they are considered parallel. Parallel lines have the same slope, which means they maintain a constant distance between each other as they extend indefinitely.

c) Perpendicular:

In this diagram, the two line segments meet at a right angle, forming a perfect 90-degree angle where they intersect. When two lines intersect at a right angle, they are referred to as perpendicular. Perpendicular lines have slopes that are negative reciprocals of each other, meaning they intersect at right angles.

d) Equal Length:

Similar to the first diagram, in this case, the two line segments are of equal length. They are not parallel or perpendicular; they simply have the same length.

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To use the normal approximation for a test of two proportions, n1 p1, n1 (1 - p1), n2 p2, and n2 (1 - p2) must all be greater than or equal to 5.

This is because the normal distribution assumes that the sample size is large enough to approximate the binomial distribution, and the rule of thumb is that each cell (n1 p1, n1 (1 - p1), n2 p2, and n2 (1 - p2)) should have at least 5 expected counts. If any of these cells have fewer than 5 expected counts, then the normal approximation is not reliable and a more appropriate test should be used. It is important to note that this is just a rule of thumb, and other factors such as the size of the effect and the desired level of significance should also be considered when deciding on a statistical test.

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Answer: t = 7°

Step-by-step explanation:

        We know that a straight line is equal to 180 degrees and that the little box represents 90 degrees. Using this information we can create an equation to solve for t.

   Given:

180° = 90° + 6t° + 6° + 7t° - 7°

   Combine like terms:

180° = 89° + 13t°

   Subtract 89 from both sides of the equation:

91° = 13t°

   Divide both sides of the equation by 13:

t = 7°

Answer:

7.7cm to 1 decimal place

Step-by-step explanation:

for 1st circle, area of full circle = π r² = π (12)² = 144π

area of sector for 1st circle = (42/360) X 144π = 16.8π

for sector of 2nd circle, area = 16.8π

area of sector = (103/360) π r² = 16.8π

π r² = (16.8π) ÷ (103/360)

= 184.469.....

r² = 58.718.....

r = 7.7 cm to 1 decimal place

Answer:93.3884%

Step-by-step explanation:

Based on the given conditions, formulate:(121-8)%121

Calculate the sum or difference:113/121 

Rewrite a fraction as a decimal:0.933884

Multiply a number to both the numerator and the denominator: 0.933884* 100/100 

Calculate the product or quotient: 93.3884/100

Rewrite a fraction with denominator equals 100 to a percentage: 93.3884%

Answer: The required equation of the straight line is: y = -5x+3

Step-by-step explanation:

we know, the equation of a straight line is :

y = mx + c ----(i)

where y = y coordinate, x = x coordinate, m = slope of the straight line, and c = intercept of the straight line.

Slope, m = tan theta = y2 - y1 / x2 - x1,

In this question, c = 3,

m = y2 - y1 / x2 - x1  

Here, taking y2 = 3, y1 = -2, x2 = 0, x1 = -1 , we have,

=> m = 3 - (-2) / 0 -1

=> m = -5

Now, putting the values of m and c in equation (i) we get,

y = -5x + 3, which is the required solution.

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To solve for the equation of a straight line, we calculate the slope 'm' and y-intercept 'b' from the graph and substitute these values into the standard line equation y=mx+b.

To work out the equation of the straight line we usually use the standard form of a linear equation which is y=mx+b, where 'm' is the slope of the line and 'b' is the y-intercept. The slope 'm' can be found by identifying two points on the line and applying the formula (y2 - y1) / (x2 - x1). The y-intercept 'b' is where the line crosses the y-axis. Once 'm' and 'b' have been calculated, they can be substituted into the equation format to find the equation of the line.

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The two opposite Interior angles of the triangle are y and 56°.

In a triangle, the sum of the measures of the interior angles is always 180°. the three interior angles of the triangle A, B, and C. The exterior angle, which is the angle formed by extending one of the sides of the triangle, is equal to the sum of the two non-adjacent interior angles.

So, if we call the two non-adjacent interior angles that form the exterior angle x and y, we can write:

x + y = 124°    (1)

The third interior angle, C, can be found by subtracting the sum of the other two interior angles from 180°:

C = 180° - (x + y)   (2)

We can use equation (1) to solve for one of the variables, say x, in terms of the other, y:

x = 124° - y

Substituting this into equation (2), we get:

C = 180° - (124° - y + y) = 56°

Therefore, the two opposite interior angles of the triangle are y and 56°.  that there are different possible values for y, depending on which exterior angle we are considering. However, once we know one of the opposite interior angles, we can always find the other one by subtracting it from 180°.

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The value of BD is 6

Similar triangles are triangles that have the same shape, but their sizes may vary. The corresponding angles of similar triangles are equal.

Also the ratio of corresponding sides of similar triangles are equal.

Therefore;

12/x = x/3

x² = 12 × 3

x² = 36

x = √36

x = 6

Therefore the value of BD is 6

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The solution of the inequality is as follows:

y ≥ 8

Inequalities are mathematical expressions involving the symbols >, <, ≥ and ≤.

Therefore, let's solve the inequality by finding the value of variable y in the inequality.

A variable is a number represented with letter in the inequality.

Therefore,

11 - 4y ≥ -21

subtract 11 from both sides of the inequality

11 - 4y ≥ -21

11 - 11 - 4y ≥ -21 - 11

-4y ≥ - 32

divide both sides of the inequality by -4

y ≥ - 32 / - 4

y ≥ 8

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Answer:

D. y ≤ 8

Step-by-step explanation:

Given inequality:

[tex]11-4y \geq -21[/tex]

To solve for y, begin by subtracting 11 from both sides of the inequality:

[tex]\begin{aligned}11-4y-11 &\geq -21-11\\\\-4y &\geq -32\end{aligned}[/tex]

To isolate y, divide both sides by -4.

As we are dividing by a negative number, we must reverse the direction of the inequality symbol.

[tex]\begin{aligned}\dfrac{-4y}{-4} &\geq \dfrac{-32}{-4}\\\\y&\leq8\end{aligned}[/tex]

Therefore, the solution to the given inequality is y ≤ 8.

Answer:

---------------------

Use the formula:

where θ is the central angle in degrees, r is the radius

We have:

Substituting the given values, we get:

Therefore, the length of the arc is 14π cm.

The percent is easily represented as a fraction (e.g., 25% as 1/4 or 50% as 1/2). Using the fraction form can make calculations easier to understand and perform, especially when dealing with whole numbers.

You might want to use the fraction form of a percent instead of the decimal form when working with fractions or when it is easier to simplify a problem using fractions. For example, if you are trying to find 25% of a number and the number can be easily divided by 4, it may be simpler to write 25% as 1/4 rather than 0.25. Additionally, if you are working with ratios or proportions, it may be more useful to use fractions rather than decimals to keep the numbers in the same format.
In finding the percent of a number, you might want to use the fraction form of the percent instead of the decimal form when working with ratios, simplifying calculations, or when the percent is easily represented as a fraction (e.g., 25% as 1/4 or 50% as 1/2). Using the fraction form can make calculations easier to understand and perform, especially when dealing with whole numbers.

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The complement set of S is {1, 3, 5, 8, 9, 10}.

To find the complement set of S, we need to identify all the elements in the universal set U that are not present in set S.

Given:

Universal set U = {1, 2, 3, 4, 5, 6, 7, 8, 9, 10}

Set S = {2, 4, 6, 7}

The complement set of S, denoted as S', consists of all the elements in U that are not in S.

Complement set of S (S') = U - S

To find S', we subtract the elements of S from U:

S' = {1, 3, 5, 8, 9, 10}

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Answer: -4 and 28

Step-by-step explanation:

    First, we will list factors of -112. Since we are multiplying to a negative number, we know that one number will be negative and one number will be positive.

    ±1, ±2, ±4, ±7, ±8, ±14, ±16, ±28, ±56 and ±112

    Looking at this list of factors, we see 28 and 4. We know that 28 - 4 = 24, and 28 * -4 = -112. This means the answer to our question is:

                   -4 and 28

it's the second answer 2 and 3 are same side interior angles

If the area between the function and the -axis on the interval [a, b] is 10 and the function is continuous on and on, then the average value of the function on this interval is between m and M, where m and M are the lower and upper bounds for the function on the interval.

To find the average value of a continuous function on an interval, we need to use the following formula:
Average value = (1 / b-a) * ∫[a,b] f(x) dx
where a and b are the endpoints of the interval, and ∫[a,b] f(x) dx represents the definite integral of the function over the interval.
In this case, we are given that the area between the function and the -axis on the interval [a, b] is 10. This means that ∫[a,b] f(x) dx = 10.
We don't know the values of a and b, but we do know that the function is continuous on and on, which means that it is continuous on the entire interval [a, b]. Therefore, we can assume that the function is integrable on this interval.
To find the average value of the function, we need to know the length of the interval [a, b]. This is given by the difference between the endpoints: b-a.
We don't know the value of b-a, but we do know that the function is continuous on and on, which means that it is bounded on this interval. This means that there exist numbers M and m such that m ≤ f(x) ≤ M for all x in [a, b].
We can use this information to find an upper bound and a lower bound for the average value of the function:
Lower bound = (1 / (b-a)) * ∫[a,b] m dx = m
Upper bound = (1 / (b-a)) * ∫[a,b] M dx = M
Therefore, the average value of the function on the interval [a, b] is between m and M. We cannot determine the exact value of the average value without knowing more information about the function or the interval.
In summary, if the area between the function and the -axis on the interval [a, b] is 10 and the function is continuous on and on, then the average value of the function on this interval is between m and M, where m and M are the lower and upper bounds for the function on the interval. The length of the interval [a, b] and the exact value of the function would be needed to find the exact value of the average value.

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Check the picture below.

let's firstly find side "t"

[tex]\textit{Law of Cosines}\\\\ c^2 = a^2+b^2-(2ab)\cos(C)\implies c = \sqrt{a^2+b^2-(2ab)\cos(C)} \\\\[-0.35em] ~\dotfill\\\\ t = \sqrt{18^2+46^2~-~2(18)(46)\cos(158^o)} \implies t = \sqrt{ 2440 - 1371168 \cos(158^o) } \\\\\\ t \approx \sqrt{ 2440 - (-1535.42) } \implies t \approx \sqrt{ 3975.42 } \implies t \approx 63.05 \\\\[-0.35em] ~\dotfill[/tex]

[tex]\textit{Law of Sines} \\\\ \cfrac{\sin(\measuredangle A)}{a}=\cfrac{\sin(\measuredangle B)}{b}=\cfrac{\sin(\measuredangle C)}{c} \\\\[-0.35em] ~\dotfill\\\\ \cfrac{\sin( R )}{18}\approx\cfrac{\sin( 158^o )}{63.05}\implies 63.05\sin(R)\approx18\sin(158^o) \\\\\\ \sin(R)\approx\cfrac{18\sin(158^o)}{63.05} \implies R\approx\sin^{-1}\left( ~~ \cfrac{18\sin( 158^o)}{63.05} ~~\right)\implies \boxed{R\approx 6.14^o}[/tex]

Make sure your calculator is in Degree mode.

Answer:The given expression is 6 - 8x + 3.

Combining like terms, we have:

6 - 8x + 3 = 9 - 8x

Therefore, the simplified expression is 9 - 8x.

Step-by-step explanation:

THANKS

Based on the evaluation of the conditions, the output "x < 0 and z > 0" will be printed. Therefore, the correct answer is B. x < 0 and z > 0.

The correct indentation of the statement would be as follows:

if (x > 0)

if (y > 0)

System.out.println("x > 0 and y > 0");

else if (z > 0)

System.out.println("x < 0 and z > 0");

Given that x = 1, y = -1, and z = 1, let's evaluate the conditions:

The first if statement checks if x > 0, which is true since x = 1.

Since the condition in the first if statement is true, we move to the inner if statement, which checks if y > 0. However, y = -1, so this condition is false.

The inner if statement is followed by an else if statement that checks if z > 0. Since z = 1, this condition is true.

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There are $18$ possible integers $n$ that can be formed using the digits $6,7,8,9$ where each digit is used no more than once and the resulting integer is a multiple of $3$.

To determine if a number is divisible by $3$, we can add up its digits and see if that sum is divisible by $3$. Since $6+7+8+9 = 30$ is divisible by $3$, any integer formed by these four digits will be divisible by $3$ if and only if it contains at least one $9$.

There are four ways to choose the location of the $9$ in the integer. Once we've chosen the location for the $9$, we can fill the remaining three spots with the digits $6,7,$ and $8$ in any order. Since there are $3! = 6$ ways to order three distinct elements, there are $4\times 6 = 24$ ways to form an integer using the digits $6,7,8,9$ with no repetition that is divisible by $3$. However, we've counted the integer $9876$ twice, so there are actually only $18$ possible integers.

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Therefore, the value of fy at (4, 1) is (sin⁻¹(4) + 4/√(-60)) / 8, or approximately -0.105 for given partial derivatives.

To find fy, we need to take the partial derivative of f with respect to y, treating x as a constant. Using the chain rule, we get:

f(x, y) = y sin⁻¹(xy)

∂f/∂y = sin⁻¹(xy) + y(1/√(1 - x²y²))(x)

Now we can substitute the given values of x and y to get:

∂f/∂y (4, 1) = sin⁻¹(4) + 1(1/√(1 - 16))(4)

= sin⁻¹(4) + 4/√(-60)

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Answer: 67

Step-by-step explanation:

We see a pattern where we multiply the number we added by previously by two.

For example, from 5 to 7, it is 2.

From 7 to 11, we add by 4.

From 11 to 19, we add by 8.

From 19 to 35, we add by 16.

This means the next number would be 32, adding 35 by 32 gives us 67,

Her sales in order to earn at least $29,000 this year must be at least 60000

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

Using the above as a guide, we have the following:

Earnings = 20000 + 15% * x

Where x is sales

The earnings is atleast 29,000

So, we have

20000 + 15% * x ≥ 29,000

This gives

15% * x ≥ 9,000

So, we have

x ≥ 60000

Hence, her sales must be at least 60000

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To represent the world population in billions t years after 2000, an exponential growth equation can be used.

Explanation:

Let y be the world population in billions t years after 2000. Let t be the time elapsed in years since 2000. Let y0 be the world population in billions in the year 2000. Let r be the annual growth rate of the world population as a decimal.

Using the exponential growth equation, we can write:

y = y0 * (1 + r)^t

To find the value of r, we can use the population data from 2000 and 2005. The population growth from 2000 to 2005 can be calculated as:

(6.515 - 6.124) / 6.124 = 0.0638

This means that the world population grew at an annual rate of 0.0638 or 6.38% per year. Therefore, the exponential growth equation for the world population in billions t years after 2000 is:

y = 6.124 * (1 + 0.0638)^t

This equation can be used to estimate the world population in any year t after 2000.

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Answer: The laborer charges $100.00 for a day's weeding contract and was paid $1500.00 for weeding 5 acres of land. This means he received $1500.00 - $100.00 = $1400.00 for weeding 5 acres of land.

The amount he received per acre is $1400.00 / 5 acres = $280.00 per acre.

So the answer is 280

Answer:

2

Step-by-step explanation:

F^-1 IS AN INVERSE, SO F(2)=3 THEREFORE F^-1(3) = 2

The translation of the triangle, 2 units up and 3 units to the left, followed by a dilation by a scale factor of 4 about the origin, indicates;

The coordinates of the vertex B is; (-20, 0)

A dilation transformation is one in which the size of the pre-image is transformed to produce the image, which may be smaller or increased in size.

The coordinates of the vertices of the triangles are;

A(3, 3), B(-2, -2), and C(4, -4)

The translation applied to the triangle are;

Vertical translation = 2 units up

Horizontal translation = 3 units to the left

The scale factor of the dilation = 4

The center of dilation = The origin

Therefore, we get;

The transformation applied to the vertices are as follows;

A(3 - 3, 3 + 2), B(-2 - 3, -2 + 2), and C(4 - 3, -4 + 2), which produces the coordinate points;

A(0, 5), B(-5, 0), and C(1, -2)

The dilation by a scale factor of 4, with the center of dilation at the origin, therefore, produces;

4 × (0, 5) ⇒ A'(0, 20)

4 × (-5, 0) ⇒ B'(-20, 0)

4 × (1, -2) ⇒ C'(4, -8)

The vertex of the coordinate B are therefore; (-20, 0)

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The margin of error is approximately $43.51. The 98% confidence interval for the mean amount of mortgage paid per month by all homeowners in this area is ($1466.49, $1553.51). The banker should use a sample size of at least 285.

a) We want to find the margin of error for a 98% confidence interval. The critical value for a 98% confidence interval with 97 degrees of freedom is 2.326. The margin of error is then:

margin of error = critical value * (standard deviation / sqrt(sample size))

= 2.326 * (194 / sqrt(98))

≈ 43.51

So the margin of error is approximately $43.51.

b) The 98% confidence interval is given by:

sample mean ± margin of error

= $1510 ± 43.51

= ($1466.49, $1553.51)

So the 98% confidence interval for the mean amount of mortgage paid per month by all homeowners in this area is ($1466.49, $1553.51).

c) We want to find the sample size required to have a margin of error of $25. Solving the margin of error formula for sample size, we get:

sample size = (critical value * standard deviation / margin of error)^2

Since we want a 98% confidence interval, the critical value is 2.326. The standard deviation is still $194. Plugging in $25 for the margin of error, we get:

sample size = (2.326 * 194 / 25)^2

≈ 284.87

So the banker should use a sample size of at least 285.

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