Find the diameter of a circle with circumference 44 cm​

Answer:

\(\textbf{4 is correct}\)

Step-by-step explanation:

⇒A coefficient is an integer that is written along with a variable or it is multiplied by the variable.

⇒when a term is made up of a constant multiplied by a variable or variables, that constant is called a coefficient. In the term 1x, the coefficient is 1.

\(\mathbb{-THEANIMEGIRL-}\)

Answer:

G. none of the above

Step-by-step explanation:

Have to use Pythagoras’ Theorem, solution in picture below. Hope it helps.

Answer:

4!

Step-by-step explanation:

Answer:

False. The product of two negative integers is a positive integer.

The numbers as an integer or not are:

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

7/10 - yes or no

-6/1 - yes or no

-30.18 - yes or no

7 - yes or no

-76 - yes or no

integers are numbers without decimal point (including 0)

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

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Answer:

32768

Brainiest plz :)

Answer:

Find the area of the rectangle. Then, find the area of the circle. The diameter is given, so take half that to get the radius. Multiply the area of the circle by half. Subtract the area of the half circle from the area of the rectangle.

Step-by-step explanation:sample

The required average mark for a one-hour exam is given as 81, as per the given condition.  

The average of the values is the ratio of the total sum of values to the number of values.

To find the student's grade, we need to calculate the average of all the exams. The total number of 1-hour exams is 4 + 2 = 6, so the total number of hours of exams is 6 * 1 hour = 6 hours.

First, we find the average of the four 1-hour exams: (63 + 78 + 95 + 90) ÷ 4 = 316 ÷ 4 = 79.

Next, we add the final exam grade, which counts as two 1-hour exams, to find the total number of exam points: 79 * 4 + 85 * 2 = 316 + 170 = 486.

Finally, we divide the total number of points by the total number of hours of exams to find the average exam grade: 486 ÷ 6 = 81.

So, the student's average exam grade is 81.

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Answer:

Step-by-step explanation:

To complete the square for the quadratic equation x^2 + x + 9 = 0, we need to add (1/2)^2 = 1/4 to both sides of the equation. This is because we want to turn the left-hand side of the equation into a perfect square.

Answer:

B) Permutation.

Answer: 9

Step-by-step explanation:

72÷9=8

9÷9=1

72/9 = 8/1

I used to know a Camilla, she cheated on me for my brother...pain

Rain minus the \

Answer:

1191 cm²

Step-by-step explanation:

Area of parallelogram = base X vertical height.

Call the vertical line h.

h/ sin 80  =  7/ sin 10

h = (7 sin 80) / sin 10

= 39.7.

Area of parallelogram = 30 X 39.7

= 1191 cm²

The Area of Parallelogram whose side length is 30 cm is 1,190.952 square cm.

Given:

Side length = 30 cm

Using Trigonometry

tan 80 = P / Base

5.6712 = P / 7

P = 39.6984 cm

Using the formula for Area of parallelogram

= Base x height

= 30 x 39.6984

= 1,190.952 square cm.

Therefore, the area is 1,190.952 square cm.

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1. 76.56.

2. 96

3. The largest solution to the equation x²+16x+28=138 is 6.71.

4. The smallest solution to the equation x²+14x+14=145 is 5.96.

Equations are used to express relationships between variables and solve mathematical problems.

1. This is calculated by taking the coefficient of x (19) and dividing it by two (19/2) and then squaring the result (19/2)² = 76.56.

2. This is calculated by taking the coefficient of x (30) and dividing it by two (30/2) and then squaring the result (30/2)² = 96.

3. This is calculated by using the quadratic formula, by taking the opposite of the coefficient of x (16) plus or minus the square root of the coefficient of x squared (16²) minus 4 times the coefficient of the x term (4x16) minus the constant (28) divided by 2 times the coefficient of the x term (2x16).

4.  This is calculated by using the quadratic formula, by taking the opposite of the coefficient of x (14) plus or minus the square root of the coefficient of x squared (14²) minus 4 times the coefficient of the x term (4x14) minus the constant (14) divided by 2 times the coefficient of the x term (2x14).

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1.  For the given equation, c need to be 90.25 to complete the square.

2. 225

3. The largest solution to the equation x²+16x+28=138 is 6.

4. The smallest solution to the equation x²+14x+14=145 is -14.

Equations are used to express relationships between variables and solve mathematical problems.

1. This is calculated by taking the coefficient of x (19) and dividing it by two (19/2) and then squaring the result

(19/2)² = 90.25.

2. This is calculated by taking the coefficient of x (30) and dividing it by two which is (30/2) and then squaring the result

(30/2)² = 225.

3. The largest solution to the equation x²+16x+28=138 is 6.

This can be calculated by using the quadratic formula to solve the equation.

(a=1, b=16, c=28)

x = -8 ± √((16)² - 4(1)(28))/2(1).

x = -8 ± √(240)/2

x = 6 or -14.

Since 6 is the larger solution, it is the largest solution to the equation.

4.  The smallest solution for x2+14x+14=145 can be determined by using the Quadratic Formula.

a=1, b=14, and c=14

x = [-14 ± √(142-4(1)(14))]/(2(1))

x = [-14 ± √(196)]/2

x = [-28/2] or [14/2]

x = -14 or 7

Therefore, the smallest solution for x2+14x+14=145 is x=-14.

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Answer:

X = 2

Y = 3

Step-by-step explanation:

\(5(8)x - 2(8)y - 4(8) = 0 \\ + \\ 3x + 16y - 54 = 0 \\ = \\43x - 86 = 0 \\ 43x = 86 \\ x = 86 \div 43 \\ x = 2 \\ 5(2) - 2y - 4 = 0 \\ 10 - 2y - 4 = 0 \\ 6 - 2y = 0 \\ 2y = 6 \\ y = 6 \div 2 \\ y = 3\)

Answer and Step-by-step explanation:

The Word form is:

Six hundred, seventy-two thousand, eight hundred and twenty nine.

The Expanded form is:

600,000 + 70,000 + 2,000 + 800 + 20 + 9

The Unit form is:

6 one hundred thousands, 7 ten thousands, 2 thousands, 8 hundreds, 2 tens and 9 ones.

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Answer:

To calculate Karl Pearson's coefficient of skewness, we need to use the formula:

Skewness = 3 * (Mean - Mode) / Standard Deviation

Given the Mean = 73.19, Mode = 79.56, and Variance = 16, we need to find the Standard Deviation first.

Standard Deviation = √Variance = √16 = 4

Now we can substitute the values into the formula:

Skewness = 3 * (73.19 - 79.56) / 4

Skewness = -6.37 / 4

Skewness = -1.5925

Rounded to four decimal places, the Karl Pearson's coefficient of skewness for the given values is approximately -1.5925.

Answer:

X= -3

Step-by-step explanation:

Answer:

X=-3 is your mathmatical solution

Answer:

276 square inches

Step-by-step explanation:

The area can be decomposed as a square of side length 14 in, having a surface of area of \(14^2 = 196 in^2\), and a triangle of base 14 and height 12, giving an area of \(\frac12\times 12\times14 =84 in^2\). Added them together we get a grand total of \(196+84=280 in^2\)

Answer:

280 in²

Step-by-step explanation:

This is a composite figure composed of a triangle and a square. Let's find the area of each and add them up.

The area of the square is 196 square inches. The area of the triangle is 84 square inches. Add those two together, and you have 280 square inches.

The number of days they work together are 120 days.

We are given that;

Number of days of abhishek = 30

Number of days of sandip= 40

Now,

Their rates are:

Rate of Abishek=1/30

Rate of Sandip=1/40

When they work together, their rates are added. Therefore, their combined rate is:

Rate of Abishek and Sandip=301​+401​=1207​

The amount of work done by Abishek in the last 9 days is:

Work done by Abishek in 9 days=Rate of Abishek×Time=301​×9=103​

This also means that the remaining work done by Abishek and Sandip together is:

Work done by Abishek and Sandip together=1−103​=107​

To find the time taken by Abishek and Sandip to do this work together, we can use the formula:

Time=RateWork​

Plugging in the values, we get:

Time taken by Abishek and Sandip together

=7/10/7/120

=12

Therefore, by work and time the answer will be 12 days.

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Answer: The expected number of bulbs that would last longer than 22,250 hours is approximately 2,857.

Step-by-step explanation:

To solve this problem, we can start by finding the z-score for 22,250 using the formula:z = (x - mean) / standard deviationz = (22,250 - 20,000) / 2,250 = 1Next, we need to find the proportion of bulbs lasting longer than 22,250. We can look up this proportion in a standard normal distribution table or use a calculator, which gives us a probability of 0.1587.Finally, we can use this probability to find the expected number of bulbs that will last longer than 22,250:Expected number of bulbs = probability * total number of bulbs sold Expected number of bulbs = 0.1587 * 18,000 = 2,857Therefore, we can expect that approximately 2,857 of the 18,000 bulbs sold will last longer than 22,250 running hours.

Answer:

the afternoon is the right one

combine liked terms the 7 and 2 y3. and then arrange them in exponential order

Answer:

Step-by-step explanation:

Improve your Speaking and Listening Skills with Learn English via Listening Level 1

There are many listening methods, but for me, I choose the active listening method.

Active listening is a method of learning English because “understanding” and “having” are put first. Listening is practicing speaking in the right voice, and understanding what you hear. Every time you listen to it, you must be sure that the sentence is that meaning, pronounced that way. Therefore, before listening, select the sentences you don’t know and don’t understand and look them up clearly, listen and look at the material to read along and read it fluently and fluently. When you take out the material and can read it according to the rhythm, and the voice on the tape, and understand the top, sentence by sentence, you have completed a lesson.

Learning English Via Listening includes six levels. Each level contains 100 listening lessons with one different topic. The audio lessons in Learn English via Listening are sorted by level from easy to difficult. As your listening level improves, you can choose audio tracks from more difficult levels. The presenter speaks with a North American or British accent.

The content of listening practice material according to 6 levels includes:

Answer:

100% sure but im going with 3 lines

Step-by-step explanation:

Based on the limited information provided, it is not possible to definitively determine the type of economy in Country A. More specific details and factors would be necessary to make a conclusive determination.

The value of the expression; 6 × 10 + 4³ as given in the task content is; 124.

It follows from the task content that the value of the expression given in the task content; 6 × 10 + 4³ is to be determined.

Hence, the value of the expression can be evaluated using PEMDAS guidelines as follows;

Since the given expression is;

6 × 10 + 4³

Since the exponent, so that we have;

6 × 10 + 64

Next, solve the multiplication, so that we have;

60 + 64

= 124.

On this note, the value of the expression is; 124.

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Answer:

(y-1)= 3(x-7)

Step-by-step explanation:

1.  you put the equation given in slope intercept form so y=3x-1.

2.  you find the slope, parellel lines have the same slope so the slope for the new equation will remain 3.

3. then you write the point-slope form equation

4) make sure to plug in the x1 and y1 values from the coordniates given

The required equation of the line is given as 3x - y = -4.

Given that,
The equation of the line that passes through the point ( 1, 7 ) and is parallel to the line 3x−y = 1 is to be determined.

The slope of the line is a tangent angle made by line with horizontal. i.e. m = tanx where x in degrees.

here,
The standard equation of the line is given as,
y = mx  + c,
Since the line is parallel to line 3x - y = 1 whose slope is m = 3, and also the slope of the parallel line are equal.
so,
y = 3x + c
Put points (1, 7) in the above equation,
7 = 3 + c
c = 4
y = 3x + 4

Thus, the required equation of the line is given as 3x - y = -4.

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