what are the coordinates of the center and length of the radius of the circle whose equation is x^2 y^2-12y -20.25

Answer:

D

Step-by-step explanation:

Pythagorean

\(x^{2} + 9^{2} = 15^{2}\) (x>0)

=> \(x=\sqrt{15^{2}-9^{2} }\) \(=12\)

1. Using Radicals the number √17 has a value of 4.123.

2. √510 =260100.

3. √4x = 2√x.

Simply multiply or divide the numbers at each point where it makes sense to multiply or divide a function. If the functions are specified by formulas, you can simply multiply or divide the formulas (inserting numbers before or after is irrelevant).

When multiplying or dividing, it is standard practise for the final result to contain the same number of significant figures as the number with the fewest significant figures. The division of two numbers can be calculated using the following formula: Dividend Divisor = Quotient + Remainder. The number that is being divided in this case is known as the dividend.

The number that divides the number (dividend) into equal parts is known as the divisor.

1. \(\sqrt{17}\\\) = 4.123 (The values of the number √17 is 4.123.)

2.  √510

= 510^2

=(500+10)^2

=500^2+10^2+2×500×10

=250000+100+10000

=260100.

3. √4x = 2√x.

because 4 = 2*2

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Answer:

70 degrees

Step-by-step explanation:

The angle opposite x and x itself are vertical angles, meaning that they have the same angle measure. Since the sum of the interior angles of a triangle is 180 degrees:

x+55+55=180

x+110=180

x=180-110=70

Hope this helps!

The surface area of the pyramid is given by the equation A = 170.4 inches²

The total surface area is the summation of the areas of the base and the three other sides. A = B + ( 1/2 ) ( P x h ), where B is the area of the base of the pyramid, P is the perimeter of the base, and h is the slant height of the pyramid

Surface Area of Pyramid = B + ( 1/2 ) ( P x h )

Given data ,

Let the surface area of the pyramid be represented as A

Now , the equation will be

The slant height of the pyramid h = 6 inches

The side of the equilateral triangle = 12 inches

So , the perimeter of the triangle = 3 x side length

Substituting the values in the equation , we get

The perimeter of the triangle = 36 inches

The area of the base = 62.4 inches²

So , Surface Area of Pyramid = B + ( 1/2 ) ( P x h )

Substituting the values in the equation , we get

Surface Area of Pyramid = 62.4 + ( 1/2 ) ( 36 x 6 )

On simplifying the equation , we get

Surface Area of Pyramid = 62.4 + ( 108 )

Surface Area of Pyramid = 170.4 inches²

Hence , the surface area of pyramid is 170.4 inches²

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Answer:

the answer is A because it is ap

6,520 units must be sold.

How to find sold units?

Let x be the number of units sold.

The total revenue (TR) generated by selling x units is:

TR = 210x

The total variable costs (TVC) incurred in producing x units is:

TVC = 138x

The total cost (TC) of producing x units is the sum of the fixed costs (FC) and the total variable costs (TVC):

TC = FC + TVC

= 422,000 + 138x

The pretax income (PI) is the difference between the total revenue (TR) and the total cost (TC):

PI = TR - TC

= 210x - (422,000 + 138x)

= 72x - 422,000

To find the number of units x that must be sold to earn a pretax income of $47,440, we set PI equal to $47,440 and solve for x:

72x - 422,000 = 47,440

72x = 469,440

x = 6,520

Therefore, the firm must sell 6,520 units to earn a pretax income of $47,440.

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Answer:

Step-by-step explanation:

Count the number of scores greater than 65

Total number is

Note: none of answer choices reflect this

Answer:

68 student hope that helps

Answer: its just 12 because a is just a variable

Step-by-step explanation: so like 5 - 7n its just 5 - 7 which in 2 so 12a is just 12

Answer:

-79

Step-by-step explanation:

an=5-7n This is the given equation

Now, we substitute 12 for n and do the equation

a(12)=5-7(12)

a(12)=5-84

a(12)=-79 This is our answer, negative 79

The probability that a student who had a dog also had a cat would be = 7/25.

To calculate the possible outcome of the given event, the formula for probability should be used and it's given below as follows. That is;

Probability = possible outcome/sample space

possible outcome = 7

sample space = 7+2+3+13 = 25

Probability = 7/25

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Answer:

Your answer would be 13 dollars and 20 cents

The radius of the base of the cone is approximately 12.65 feet if The cone is formed from 3,200 ft of gravel.

Height of cone =  24 feet

The volume of the cone = \(3,200 ft^3\)

To find the volume of the cone, the formula used here is:

V =π* \(r^2h\)

Here, the values of V and H are known terms. we need to calculate the radius r of the cone.

π = 3.14 constant value

Substituting the values in the above equation, we get:

\(3,200 = (1/3)^2*(24)*\) π

\(r^2\)= 3,200 / (8π)

\(r^2\) = 400 / π

r = 12.65

Therefore, we can conclude that the radius of the base of the cone is  12.65 feet.

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The equation is: G = -⁵/₄t + 15

The slope of the function represents that ⁵/₄ gallons of gas is consumed to drive the car for one hour.

The formula for the equation of a line in slope intercept form is:

y = mx + c

where:

m is slope

c is y-intercept

From the graph, we see that:

y-intercept = 15 gallons

Now, the slope is gotten from the formula:

Slope = (y₂ - y₁)/(x₂ - x₁)

Slope = (10 - 5)/(4 - 8)

Slope = -⁵/₄

Thus, equation is:

G = -⁵/₄t + 15

The slope of the function represents that ⁵/₄ gallons of gas is consumed to drive the car for one hour.

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An estimate for the total volume of food and water you've ingested in the last day is 3000-5000 milliliters. On average, the heart pumps about 5 liters of blood per minute. 10-20% or more error I'm expecting. Calculating heart blood volume compared to food and drink consumption is crucial for understanding circulation and liver function.

D.1 Estimating the amount of food and water consumed in a day can be difficult without specific measurements, but a rough estimate can be made based on typical intake amounts. On average, a person may consume 2-3 liters of water and 1000-2000 calories per day, resulting in an estimated total volume of 3000-5000 milliliters.

D.2 The amount of blood pumped by the heart varies from person to person and depends on factors such as heart rate and overall health. On average, the heart pumps about 5 liters of blood per minute, which is much larger than the estimated volume of food and water intake.

D.3 Estimating food and water intake and blood flow is prone to error due to variability and uncertainties in personal measurements. Individuals' habits, health, and physical activity levels can affect these estimates, potentially resulting in a significant error of 10-20% or more.

D.4 The calculation of the heart's blood volume compared to food and drink consumption is crucial for understanding the circulation system and liver role.

The liver processes nutrients, detoxifies, and produces blood components, while the heart is responsible for circulating blood throughout the body. The vast difference in volume between the two is emphasized, emphasizing the heart's crucial role in maintaining circulation.

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Answer:

This is the answer to your question

Answer:

$459

Step-by-step explanation:

60x3=180

$299+180=$459

If f(x)=2x²-5x-3 g(x)=2x²+5x+2 then (f/g)(x) = (x - 3) / (x + 2).

What is function?

In mathematics, a function is a relationship between two sets of elements, called the domain and the range, such that each element in the domain is associated with a unique element in the range.

To find (f/g)(x), we need to divide f(x) by g(x) as follows:

f(x) = 2x² - 5x - 3

g(x) = 2x² + 5x + 2

f(x) / g(x) = (2x² - 5x - 3) / (2x² + 5x + 2)

To simplify this expression, we can factor the numerator and denominator:

f(x) / g(x) = [(2x + 1)(x - 3)] / [(2x + 1)(x + 2)]

Now, we can cancel out the common factor of (2x + 1) from both the numerator and denominator:

f(x) / g(x) = (x - 3) / (x + 2)

Therefore, (f/g)(x) = (x - 3) / (x + 2).

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answer is c

Step-by-step explanation:

u can use calculator to check the answer

answer is c

Step-by-step explanation:

u can use calculator to check the answer

Answer:

840cm³is a required answer.

If the points are (1, −2, 1), (0, 5, 3) and (2, 4, 7), then the parametric form for the plane is -40x-8y+43z=-11 and the normal form ax+by+cd=d for the plane is -40x-8y+43z=65.

a) To find the parametric form of the plane, follow these steps:

b) To find the normal form, follow these steps:

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Answer:

h(t) = 40,000 - 1,500t

Step-by-step explanation:

Let h(t) be the height of the airplane after t minutes.

h(t) = 40,000 - 1,500t

Answer:

a. 68

Step-by-step explanation:

You just have to subtract these two numbers from 180 because adding all the angles of a triangle the resulta is 180. Subtracting those numbers from 180 will give you the result.

The area of the teacher workroom is 64 feet squared

The correlation coefficient is -0.29.

Correlation refers to a process for establishing whether or not relationships exist between two given variables.

In statistics, correlation coefficients are used to quantify the strength of the association between two variables. Like Pearson's correlation, which is frequently employed in linear regression, there are other varieties of correlation coefficients. It is widely used in statistics and is highly well-liked.

X      Y        X²          Y²           XY

0       8        0           64            8

1        11        1            121           11

3       10       9           100          30

4        13       16         169          52

7        10       49         100         70

10       6        100       36           60

∑X = 25

∑Y = 58

∑X² = 175

∑Y²= 590

∑XY= 231

r = N×∑XY−(∑X∑Y) / √[N∑x2−(∑x)2][N∑y2−(∑y)2]

Putting all the values,

r = 6*231 - (25*58) / √(6*175-625)(6*590-3364)

r = 1368 - 1450 / √(425)(176)

r = -82/ √ 74800

r = -82/ 273.49

r= -0.29

Therefore, the correlation coefficient is -0.29.

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d.0.003 choice correctly shows 0.3% as a decimal.

Here, we have,

given that,

the percent is: 0.3%

now, we know that,

percentage, a relative value indicating hundredth parts of any quantity. One percent (symbolized 1%) is a hundredth part; thus, 100 percent represents the entirety and 200 percent specifies twice the given quantity. percentage.

now, we get,

0.3%

=0.3 ÷ 100

=0.003

now, we know, 0.003 is a decimal.

so, we get,

d.0.003 choice correctly shows 0.3% as a decimal.

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Option (c) is the correct option.

9/10 is rational and a real no. but not an integer.

What is a rational number?

A number with the form p/q, where p and q are integers and q is not equal to 0, is said to be rational.

What is an integer?

In the category of real numbers are irrational numbers, fractions, and rational numbers like positive and negative integers.

What is a real number?

Integers, which can be both negative and positive and include zero, are numbers without a decimal or fractional component.

Our objective is to find a number which is rational and a real number but not an integer.

√2 is not rational and not a real number.

-5 is rational and a real number but It is an integer.

9/10 is rational and a real number and also not an integer.

Hence, (c) is the correct option.

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Answer:

6.24 pounds

Step-by-step explanation:

12 x .52 = 6.24 pounds

Answer:

The answer would be 6.24lb

Step-by-step explanation:

I took the k12 test

If Kurt company takes advantage of the purchase discount, they will pay $4900 to Marilyn company.

The terms of "2/10 n/40" indicate that Kurt company can take advantage of a 2% discount if they pay within 10 days. The full payment is due within 40 days.

To calculate the amount Kurt company will pay to Marilyn company if they take advantage of the purchase discount, we need to subtract the discount from the total amount.

The total amount of merchandise purchased is $5000.

To calculate the discount amount, we multiply the total amount by the discount percentage:

Discount amount = 2% of $5000 = 0.02 * $5000 = $100

Therefore, if Kurt company takes advantage of the purchase discount, they will pay $100 less than the total amount.

The amount Kurt company will pay to Marilyn company is:

Total amount - Discount amount = $5000 - $100 = $4900

Hence, if Kurt company takes advantage of the purchase discount, they will pay $4900 to Marilyn company.

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Answer:

ok so we now now many do have 0.35 so now lets just find out how many do

1-0.35=0.65

65% do have a ocean room so lets just multiply

0.65*160=104

104 do have a ocean facing room

Hope This Helps!!!