15√2 = x√2please help me, how do i solve this? i'm in 9th grade and i completely forgot how to do this.

The equation \(\(ax^2 + by^2 + cz^2 + d = 0\)\) does not represent any of the provided conics.

Thus, option (d) is correct.

The equation \(\(ax^2 + by^2 + cz^2 + d = 0\)\) represents an equation of a surface in three-dimensional space.

(a) An ellipsoid:

      An ellipsoid is defined by an equation of the form \(\(\frac{x^2}{a^2} + \frac{y^2}{b^2} + \frac{z^2}{c^2} = 1\)\),

      where a, b, and c are positive constants.

    The given equation \(\(ax^2 + by^2 + cz^2 + d = 0\)\) is not in the form of an    

    ellipsoid equation.

(b) A hyperboloid of one sheet:

    A hyperboloid of one sheet is defined by an equation of the form

    \(\(\dfrac{x^2}{a^2} + \dfrac{y^2}{b^2} - \dfrac{z^2}{c^2} = 1\)\), where a, b, and c are positive constants.

     The given equation \(\(ax^2 + by^2 + cz^2 + d = 0\)\) does not have a

     subtraction of terms involving \(\(z^2\)\).

(c) A hyperboloid of two sheets:

   A hyperboloid of two sheets is defined by an equation of the form

  \(\(\dfrac{x^2}{a^2} + \dfrac{y^2}{b^2} - \dfrac{z^2}{c^2} = -1\)\), where a, b, and c are positive constants.

    The given equation \(\(ax^2 + by^2 + cz^2 + d = 0\)\) is not in the form of a    

    hyperboloid of two sheets equation.

(d) None of the above:

    This option seems to be the correct choice since the given equation    

    does not match the standard forms of ellipsoid or hyperboloid

    equations.

Thus, option (d) is correct.

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Answer:

it wouldn't be equal

Step-by-step explanation:

Answer:

  (+8)-(+7) = (+8)+(-7) = 1

Step-by-step explanation:

The given statement ...

  (+8)-(+7)=(+8)+(+7)=(+8)+(-7)

is false. The middle sum is not equal to the other two.

__

In general, subtracting a number is the same as adding it opposite:

  (+8)-(+7) = (+8)+(-7) = 1

This is because

This is found through trial and error.

This is for problem 1 only. Problems 2 through 6 will follow a similar structure.

The probability of a z-score less than -1.48 or greater than 1.48 is approximately 0.1394.

The sample proportion, p-hat, is a random variable that follows a normal distribution with a mean of the true population proportion, p, and a standard deviation of:

\(\sqrt{[(p(1-p))/n]}\)

where n is the sample size.

In this case, p = 0.07, n = 220, and the maximum difference allowed between the sample proportion and the population proportion is 0.04. We can write this as:

|p-hat - p| > 0.04

Simplifying this inequality, we get:

p-hat < p - 0.04 or p-hat > p + 0.04

To calculate the probability of either of these events occurring, we need to find the z-scores corresponding to the two cutoff points. Using the formula for the standard error of the sample proportion, we get:

SE = sqrt[(p(1-p))/n] = sqrt[(0.07 * 0.93)/220] = 0.027

The z-score corresponding to a sample proportion that is 0.04 below the population proportion is:

z1 = (p - 0.04 - p) / SE = -1.48

The z-score corresponding to a sample proportion that is 0.04 above the population proportion is:

z2 = (p + 0.04 - p) / SE = 1.48

The probability of either of these events occurring can be found using the standard normal distribution table or calculator. The probability of a z-score less than -1.48 or greater than 1.48 is approximately 0.1394. Therefore, the probability that the sample proportion will differ from the population proportion by more than 0.04 is approximately 0.1394, rounded to four decimal places.

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Answer:

2

Step-by-step explanation:

Answer: 3n+2

Step-by-step explanation:

There are 3 cases to consider when determining horizontal asymptotes:

1) Case 1: if: degree of numerator < degree of denominator. then: horizontal asymptote: y = 0 (x-axis)

2) Case 2: if: degree of numerator = degree of denominator.

3) Case 3: if: degree of numerator > degree of denominator.

Answer:

Step-by-step explanation:

the answer in standard form is 2c^4+6c^2-c

Answer:

the answer is 3 I think but am not sure of the workings

Answer:

$43351.30

Step-by-step explanation:

Answer:

A) 13!

Step-by-step explanation:

Just answered the question!

Answer:

13

Step-by-step explanation:

The margin of error, using a 95% confidence interval, for estimating the true population proportion for home delivery truck drivers is approximately 0.0897.

The margin of error is a measure of the uncertainty in the estimate of a population parameter based on a sample. In this case, we are estimating the true population proportion for home delivery truck drivers.

To calculate the margin of error using a 95% confidence interval, we need to know the sample size and the sample proportion.

Step 1: Determine the sample size. The larger the sample size, the smaller the margin of error.

Step 2: Calculate the sample proportion. This is the proportion of the sample that possesses the characteristic of interest (in this case, being a home delivery truck driver).

Step 3: Use the formula for margin of error:

Margin of Error = Z * sqrt((p * (1-p))/n)

where Z is the z-score associated with the desired confidence level (in this case, 95% confidence level), p is the sample proportion, and n is the sample size.

Step 4: Look up the appropriate z-score for a 95% confidence level. The z-score for a 95% confidence level is approximately 1.96.

Step 5: Plug in the values into the formula and calculate the margin of error.

For example, if the sample size is 100 and the sample proportion is 0.70, the margin of error would be:

Margin of Error = 1.96 * sqrt((0.70 * (1-0.70))/100)
= 1.96 * sqrt((0.70 * 0.30)/100)
= 1.96 * sqrt(0.21/100)
= 1.96 * sqrt(0.0021)
= 1.96 * 0.0458

= 0.0897 (rounded to 4 decimal places)

So, the margin of error, using a 95% confidence interval, for estimating the true population proportion for home delivery truck drivers is approximately 0.0897.

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Answer:

im pretty sure

Step-by-step explanation:

I think the third slot is even number

Answer:

Sorry

friend

Dont Know

The image of (12,-12) after a dilation by a scale factor of 1/3 centered at the origin is (4, -4).

What is dilation at origin?

On the coordinate plane, figures can be magnified. The centre of dilation is frequently the origin. The coordinates of the points in the preimage can be multiplied by the scale factor to get the points in the image if you are distorting a figure that is centered at the origin.

We have to find the image of (12,-12) after a dilation by a scale factor of 1/3 centered at the origin.

To find the image after dilation multiply both coordinates (12, -12) by 1/3 which is the same as dividing by 3.

⇒  (12, -12)*1/3 = (4, -4)

Hence, the image of (12,-12) after a dilation by a scale factor of 1/3 centered at the origin is (4, -4).

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The age of Bryson today is 11 1/3 years

From the question, we have the following mathematical statements:

Bryson's dad age = 38

Bryson's dad age = 4 + 3 * Bryson's age

Represent Bryson's age with x

So, we have the following equation

Bryson's dad age = 38

Bryson's dad age = 4 + 3x

substitute the known values in the above equation, so, we have the following representation

4 + 3x = 38

Evaluatet the like terms

3x = 34

Divide by 3

x = 11 1/3 years

Hence, Bryson's age as per the mathematical statement is 11 1/3 years

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Answer: Greatest common factor (GCF) of 12 and 28 is 4. We will now calculate the prime factors of 12 and 28 then find the greatest common factor (greatest common divisor (gcd)) of the numbers by matching the biggest common factor of 12 and 28.

Step-by-step explanation: BRAINLESS PLEASE

The number of ways can the program for this segment be arranged is 1680.

Given that, for a segment of a radio show, a disc jockey (Dr. Jams) can play 4 songs. If there are 8 to select from.

We know that, nPr= n!/(n-r)!

Here, 8P4 = 8!/(8-4)!

= 8×7×6×5×4!/4!

= 8×7×6×5

= 1680

Therefore, the number of ways can the program for this segment be arranged is 1680.

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Let x be the number of pepperoni pizzas you must order and y be the number of cheese pizzas.

Then, we have the following system:

I) x + y = 34

II) 4x + 3y = 120

First, we multiply equation I by 3:

I) 3x + 3y = 102

II) 4x + 3y = 120

Now, we subtract equation I from equation II:

(4x - 3x) + (3y - 3y) = 120 - 102

x = 18

Then, y = 34 - 18 = 16

You must order 18 persona-size pepperoni pizzas and 16 personal-size cheese pizzas.

Answer:

A i think

Step-by-step explanation:

The value of x from given quadrilateral ABCD is 27°.

In the given quadrilateral ABCD, ∠A=3x+5, ∠B=2x+15, ∠C=4x and ∠D=4x-10.

We know that, the sum of interior angles of quadrilateral is 360°.

Here, ∠A+∠B+∠C+∠D=360°

3x+5+2x+15+4x+4x-10=360°

13x+10=360°

13x=350°

x=350/13

x=26.9

x≈27°

Therefore, the value of x from given quadrilateral ABCD is 27°.

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Answer:

There are 2 solutions to square root x = 9

They are 3, and -3

Step-by-step explanation:

The square root of x=9 has 2 solutions,

The square root means, for a given number, (in our case 9) what number times itself equals the given number,

Or, squaring (i.e multiplying with itself) what number would give the given number,

so, we have to find the solutions to \(\sqrt{9}\)

since we know that,

\((3)(3) = 9\\and,\\(-3)(-3) = 9\)

hence if we square either 3 or -3, we get 9

Hence the solutions are 3, and -3

Answer: -8/-4

Step-by-step explanation:

When a negative integer gets divided my another negative integer, it results in a positive number. This means that we can eliminate all the negative symbols in this problem

18/9 = 2

Now all is left to determine which other expression is equivalent to 2

In the expression -10 / 5, since there is only one negative symbol, the postulate for negative number division states that two negative integers makes a positive number, and there is one negative integer and one positive whole number.

18/2 = 9 = incorrect

12/3 = 4 = incorrect

-10/5 = -2 = incorrect

8/4 = 2 = correct

So the expression -8/-4 is equivalent to the expression -18/-9

Answer:

Its D

Step-by-step explanation:

took the test its right, yw

Answer:

The given net pay is not correct because the medicare is not 1.45% of her gross pay. The medicare should be $11.02, making the correct net pay $641.86

Step-by-step explanation:

Answer: The given net pay is not correct because the medicare is not 1.45% of her gross pay. The medicare should be $11.02, making the correct net pay $641.86

Step-by-step explanation:

Since we have that 316 CDs are defective from 1938, then:

A) we have that 1622 good CDs were produced.

B) If A is the probability that all 4 cds are good if you are selecting without replacement is:

C)In this case, we can use the 5% guideline, since the sample size is 4 and it's less than the 5% of 1938 (option C).

D) We can check this by calculating the probability assuming each selection is with replacement:

Then, the probability that all 4 CDs are good assuming this situation is independent is 0.4907

E)We have seen that both probabilities are almost the same, but in most cases, it's best to use the 5% guideline. Therefore, the answer D is the best choise because the 5% guideline is very accurate in this case (otpion B)

Answer:

Two triangles are similar.

=> RT/GN = TA/NL

=> 4/x = 8/(x + 5)

=> 4x + 20 = 8x

=> 4x = 20

=> x = 5

=> Option D is correct

Hope this helps!

:)

Answer:

ectangles, rhombuses (also called rhombi) and squares are all more specific versions of parallelograms, also called special parallelograms. A quadrilateral is a rectangle if and only if it has four right (congruent) angles.

Step-by-step explanation:

i hope it's right

Answer: D

Step-by-step explanation:

Answer:

x ≥ 1

x ≤ -7

Step-by-step explanation: