is there no solution, one solution or many solutions for 21+2.5w=6+5.7w-3.2w+15?

Answer:

what image i dont see an image

Step-by-step explanation:

See attachment for math work and answer.

Answer:

1) What does it mean when a polynomial equation is in standard​ form?

All terms are on one side of the equation, and zero is on the other side.

2) When factoring 6x2−7x−20 by grouping, how should the middle term be rewritten?

It should be written as 8x−15x.

3) Is the given equation a quadratic equation? Explain.

x(x−6)=−5

The equation is a quadratic equation because there is an x2-term.

4) Which of the following factored forms given below represent the correct factorization of the trinomial x2+10x+16?

(2+x)(8+x)

5) Which of the following is an example of the difference of two​ squares?

x2−9

Step-by-step explanation:

I hope this helps you out ☺

A binomial whose first term and second term can be squared, and has a subtraction sign between both squared terms represents the difference of two squares, an example of the difference of two squares is:

A. \(x^2 - 9\)

Recall:

Thus, from the options given, option A: \(x^2 - 9\) is an example of a binomial that is the difference of two squares.

9 can be expressed as \(3^2\).

In summary, a binomial whose first term and second term can be squared, and has a subtraction sign between both squared terms represents the difference of two squares, an example of the difference of two squares is:

A. \(x^2 - 9\)

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The periodic rate is defined as the interest rate that is charged on a loan or an investment over a specific period of time

The general process of calculating unpaid balances, finance charges, new balances using the periodic rate of 1.5% is given below:

1. Unpaid balance: The unpaid balance is the remaining amount that has not been paid off. To calculate the unpaid balance, we need to know the initial balance and any payments made towards it. Subtract the payment amount from the initial balance to get the unpaid balance.

2. Finance charge: The finance charge is the cost of borrowing money, usually expressed as a percentage of the unpaid balance. To calculate the finance charge, multiply the periodic rate (1.5%) by the unpaid balance.

3. New balance: The new balance is the sum of the unpaid balance and the finance charge. Add the finance charge to the unpaid balance to get a new balance.

Keep in mind that the actual values of the unpaid balance, finance charge, and new balance will depend on the specific details provided, such as the initial balance and the payment made.

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To find the distance traveled per second, we can use the formula:

Distance = Speed * Time

For rural road speeds of 55 mph, we need to convert the speed to miles per second.

Since there are 60 minutes in an hour and 60 seconds in a minute, we have:

Speed = 55 miles/hour * (1 hour / 60 minutes) * (1 minute / 60 seconds)

= 55 / (60 * 60) miles/second

≈ 0.01528 miles/second

So, at rural road speeds of 55 mph, you would travel approximately 0.01528 miles per second.

Now let's calculate the distance traveled per second at city driving speeds of 25 mph:

Speed = 25 miles/hour * (1 hour / 60 minutes) * (1 minute / 60 seconds)

= 25 / (60 * 60) miles/second

≈ 0.00694 miles/second

Therefore, at city driving speeds of 25 mph, you would travel approximately 0.00694 miles per second.

In summary, when using a 3-second following distance, you would travel approximately 0.01528 miles per second on rural roads (55 mph) and approximately 0.00694 miles per second in city driving (25 mph).

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Based on the information provided, ETS is an abbreviation for these three terms (Error, Trend, and Season). Following that, Exponential Smoothing Methods for an ETS system can be described, with the details specified in a smoothing style.

=> As should be obvious, combining Error, Trend, and Season on any occasion in three distinct ways yields a plethora of combinations.

=> The trend depicts the overall layout of the time. It communicates with the data's drawn-out model — its tendency.

=> The seasonal section displays the types associated with anticipated events. Finally, the error component explains what the season and trend components do not. The error is due to the disparity between the first data and the combination of trend and seasonality. As a result, if we crystallize all three parts, we will have the first data back.

=> It has a counted substance conduct when the period of seasonal swings remains constant.

=> We can label our model as ETS (M,A,M).

-> Multiplicative Mistake

-> Added substance Trend

-> Multiplicative Seasonality.

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Answer:

To solve this problem, we can first use the area of the flower border to calculate the perimeter of the flower border. Since the flower border is 4 meters wide and has an area of 264 square meters, we know that it has a perimeter of 264 / 4 = 66 meters.

Next, we can use the perimeter of the flower border to calculate the dimensions of the lawn. Since the total perimeter of the lawn and flower border is 66 meters and the width of the flower border is 4 meters, we know that the length and width of the lawn must be 31 meters and 5 meters, respectively.

Finally, we can use the dimensions of the lawn to calculate the radius of the sprinkler. Since the lawn is a rectangle with a length of 31 meters and a width of 5 meters, we know that the center of the lawn is located 15.5 meters from each of the longer sides and 2.5 meters from each of the shorter sides. Therefore, the minimum radius of the sprinkler must be 15.5 meters in order to reach the entire flower border.

Rounded to the nearest tenth of a meter, the minimum spraying radius necessary is 15.5 meters.

Answer:

TWO BUCKS?? ballin on a budget

anyways, if there are 16 guests, the party would cost $50. sounds a lot more correct lol

Answer:

1. b

2. -16

Step-by-step explanation:

1. -1+2 is equal to 1 so it works

You plug in each of the coordinates x and y variables on the graph and find one that satisfies the equation.

2. -(-4)(-5) is -20

-(-4) is = 4

-20+4 is -16

Answer:

Y=-3x+7

Step-by-step explanation:

it hit the y axis at 7

And it is going down by 3

A variant expression is a mathematical expression used to analyze the progress of a recursive function and ensure its termination. To guarantee that a recursive function terminates, a variant expression must have two essential properties which are Boundedness and monotonicity.

1. Boundedness: A variant expression must be bounded, which means that it has an upper or lower limit. This limit is often a non-negative integer value, such as 0. The boundedness property ensures that the variant expression cannot grow indefinitely, which would lead to non-termination of the recursive function.

2. Monotonicity: A variant expression must be monotonically decreasing, meaning that its value strictly decreases with each recursive call. Monotonicity ensures that the variant expression is always moving closer to the bound, eventually reaching the limit and causing the function to terminate.

To guarantee the termination of a recursive function, follow these steps:

Step 1: Identify a suitable variant expression for the function. The expression should be related to the problem size or input parameters of the function and should reflect the progress towards the function's termination.

Step 2: Verify the boundedness property of the variant expression. Ensure that the expression has an upper or lower limit, typically a non-negative integer, which it cannot exceed.

Step 3: Verify the monotonicity property of the variant expression. Check that the expression's value strictly decreases with each recursive call, moving closer to the bound.

Step 4: Ensure that the recursive function terminates when the variant expression reaches the bound. This condition is usually implemented as the base case of the function, which prevents further recursive calls and initiates the return process.

In summary, a variant expression must have boundedness and monotonicity properties to guarantee that a recursive function terminates. By verifying these properties and incorporating them into the recursive function, you can ensure that the function will reach its termination condition and not result in infinite recursion.

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The required arc length of sector VW is 8\(\pi\).

Given that, in a circle U, radius  UV = 9 and  central angle of sector m∠VUW = 160°.

To find the arc length of sector VW, we can use the formula:

Arc length = (central angle / 360) x circumference of the circle.

First,  find the circumference of the circle by the  formula for the circumference of a circle is given by:

Circumference = 2 x \(\pi\) x radius.

Circumference = 2 x \(\pi\) x 9 = 18π.

Now, let's find the arc length of sector VW using the central angle of 160 degrees:

Arc length = (160/360) x 18π

Arc length = (4/9) * 18\(\pi\) = 8\(\pi\).

Therefore, the arc length of sector VW is 8\(\pi\).

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Answer: Slope=-2/3

Step-by-step explanation:

Step-by-step explanation:

Yes, it is a function because each x value corresponds to ONLY one y value. It is a linear function because when graphed it makes a straight line.

Answer:

yes, it's a linear function.

Step-by-step explanation:

f (x) = y

5f = 2

f=0.4

______________________

f (x) = y

10f = 4

f = 4/10

f = 2/5

f = 0.4  

sorry if I got it wrong that's what I remember since 8th grade :(  

The number of solutions to x₀ + x₁ + ... + \(x_{k}\) = n with each value of x to be a non-negative integer xₐ is (n +  k).

Solved using the technique of stars and bars, also known as balls and urns.

Imagine you have n identical balls and k+1 distinct urns.

Distribute the balls among the urns such that each urn has at least one ball.

First distribute one ball to each urn, leaving you with n - (k+1) balls to distribute.

Then use k bars to separate the balls into k+1 groups, with the number of balls in each group corresponding to the value of xₐ.

For example, if the first k bars separate x₀ balls from x₁ balls, the second k bars separate x₁ balls from x₂ balls, and so on, with the last k bars separating \(x_{k-1}\) balls from \(x_{k}\) balls.

The number of ways to arrange n balls and k bars is (n + k) choose k, or (n +k) choose n.

This is the number of solutions to x₀ + x₁ + ... + \(x_{k}\) = n, where each xₐ is a non-negative integer.

Therefore, the number of solutions to x₀ + x₁ + ... + \(x_{k}\) = n with non-negative integer xₐ is (n +  k).

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Answer:

here u go

Step-by-step explanation:

i got a

Answer:

x^2 + y^2 = 9

It is used to find the difference between the two squares without actually calculation the square.

a^2 - b^ 2 = (a-b) (a +b)

x^4 - y^4 = 45

(x^2)^2 - (y ^2) ^ 2 = 45

(x^2 - y^ 2) (x^2 + y^2) = 45

5 (x^ 2 + y ^ 2) =45

x^2 + y^2 = 9

correct option is  A ) 9

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-56/-4 = 14

14/7 = 2

So the quotient is 2.

The 99 percent confidence interval for the mean score of all subjects lies greater than 63.464 and less than 78.936.

Given:

No. of samples (n)= 16

df = n-1 = 16 -1 = 15

The mean score is 71.2

The standard deviation = 10.5.

So, from the t-distribution of critical values table through the above-mentioned details. We get the values:

Alpha / 2 = 0.005

z = 99/100 + 0.005 = .99 + .005 = .995

Sample mean = xbar = 76.2

t = 2.947

The formula for standard error = E = value of t (at z, and df) / S.D./sqrt(n)

i.e. E = 2.947 x 10.5 / sqrt 16 = 7.736

I = 71.2 +/- E =  71.2 +/-  7.736

99 percent confidence interval - 71.2 +/- 7.736

Adding both sides 7.736 for range. We get,

63.464 < u < 78.936

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Answer:

The sample space of a random experiment is the collection of all possible outcomes. An event associated with a random experiment is a subset of the sample space. The probability of any outcome is a number between 0 and 1.

Step-by-step explanation:

Answer:

a=0 or a=2

Hope it helped!

Answer:

4a²-8a=0

4a(a−2)=0

The final solution is all the values that make 4a(a−2)=0 true.

a=0,2

Step-by-step explanation:

Answer:

Quadratic regression is the process of determining the equation of a parabola that best fits a set of data. This set of data is a given set of graph points that make up the shape of a parabola. The equation of the parabola is y = ax2 + bx + c, where a can never equal zero.

Step-by-step explanation:

hope this helps you

a) the solutions to the equation sin(2x) = cos(x) over [0, 2π] are x = π/6, π/2, 5π/6, and 3π/2., b) The simplified expression for (f(x) - f(a))/(x - a) is -(a - x)/(ax).

a. To solve the equation sin(2x) = cos(x) over the interval [0, 2π], we can use trigonometric identities and algebraic manipulations. Let's begin:

sin(2x) = cos(x)

Using the double angle formula for sine, we have:

2sin(x)cos(x) = cos(x)

Rearranging the equation, we get:

2sin(x)cos(x) - cos(x) = 0

Factoring out the common term cos(x), we have:

cos(x)(2sin(x) - 1) = 0

Now we can set each factor equal to zero:

cos(x) = 0   or   2sin(x) - 1 = 0

For cos(x) = 0, the solutions over [0, 2π] are x = π/2 and x = 3π/2.

For 2sin(x) - 1 = 0, we have:

2sin(x) = 1

sin(x) = 1/2

The solutions for sin(x) = 1/2 over [0, 2π] are x = π/6 and x = 5π/6.

b. To find and simplify (f(x) - f(a))/(x - a), where f(x) = -4/x + 3, we'll substitute the values into the expression and simplify:

(f(x) - f(a))/(x - a) = (-4/x + 3 - (-4/a + 3))/(x - a)

To simplify further, we can find a common denominator for -4/x and -4/a:

(-4/a + 3a/a - (-4/x + 3x/x))/(x - a)

= (-4a + 3a - (-4x + 3x))/(ax)

= (-a + x)/(ax)

= -(a - x)/(ax)

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The volume formula by making substitutions for V and L will be 100 = HW².

Let the prism with a length of L, a width of W, and a height of H. Then the volume of the prism is given as

V = L x W x H

Suppose that a prism has a volume of 200 cm³ and L = 2W.

The volume formula by making substitutions for V and L will be

V = L x W x H

200 = 2W x W x H

100 = HW²

The volume formula by making substitutions for V and L will be 100 = HW².

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Answer:

7 and 42

Step-by-step explanation:

The difference 35 is actually equivalent to 5 units if you draw it out into a model, thus 35 divide 5 is 7 and the other number is 7x6 which is 42

If a ball is drawn randomly from a jar that contains 8 red balls, 3 white balls, and 6 yellow balls, the probability of drawing a red ball from the jar is approximately 0.47 or 47%.

The probability of a red ball being drawn from the jar can be calculated as follows:

Total number of balls in the jar = 8 red + 3 white + 6 yellow = 17

Probability of drawing a red ball = (Number of red balls in the jar) / (Total number of balls in the jar) = 8/17 ≈ 0.47

This means that if we were to draw a ball from the jar randomly, there is a 47% chance that the ball we draw will be red.

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Complete question is:

A ball is drawn randomly from a jar that contains 8 red balls, 3 white balls, and 6 yellow balls. find the probability of the given event.

What is what is the probability of a Red ball being drawn?

Answer: IT JUST IS

Step-by-step explanation:

The following are the zeros for the function h (x) = x2 + 3x - 8: - x= -4 and x=2.

Given a collection of inputs X (domain) and a set of potential outputs Y (codomain), a function is more technically defined as a set of ordered pairings (x,y) where xX and yY with the caveat that there can only be one ordered pair with the same value of x. The function notation f:XY can be used to express that f is a function from X to Y.

The function's zero is a value of x that makes it equal to zero. In other words, the equation f(x) = 0 leads to a zero.

By putting h(x) equal to zero and figuring out x, we may determine the zeroes for the function h(x) = x2 + 3x - 8.

h(x) = x² + 3x - 8 = 0

We may factor the left side of the equation to find x:

x² + 3x - 8 = (x-2)(x+4) = 0

We set each factor to zero and solve for x to discover the zeroes:

x-2 = 0 or x+4 = 0

x = 2 or x = -4

Consequently, the function's zeros are x = 2 and x = -4.

So, A is the right response. x = -4 and x = 2

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The complete question is

What are the zeros of the function h (x) = x² + 3x - 8?

A. x = -4 and x = -2

B. x= -8 and x = 2

C. x = -2 and x = 8

D. x = 2 and x = 8

Answer:

x=8/9

Step-by-step explanation:

step one: move x to one side. to do this, we are going to use inverse operations which means adding 3x to both sides.

3x+-3x cancels itself out and 3x+6x=9x.

now, the equation looks like: 9x-7=1

step two: isolate the variable, x. we want to just get x to be by itself so we need to get rid of the -7 next to it by using inverse operations again. this means we're going to add 7 to both sides.

7+-7 cancels itself out and 7+1=8.

now, the equation looks like 9x=8

step three: divide to get x by itself. we want to know what x alone is, not 9x. to do this we are going to use inverse operations one last time. this means dividing each side by 9, because 9x means "9 times x".

9x/9= x, 8/9

so the answer is x=8/9

hope this helped!!