I need these so i don't fail.
1.Given the points (−2,5)and (6,−1)the midpoint is? 2.Given the points (9,−4)and (−5,2)the midpoint is ? 3.Given the points (−2,−5)and (−6,7)the midpoint is?

I need the midpoints.

Answer:

the length is 8cm???

Step-by-step explanation:

its kind of obvi (i Think)

Answer:

8.06

Step-by-step explanation:

After answering the presented question, we can conclude that circle Therefore, the solution for x is 4 and the length of LJ is \($\frac{10}{3}$\)

A circle is a two-dimensional form defined as the collection of all points in a plane that are equidistant from the centre. A circle is commonly represented by the letter "O" for the centre and the lowercase letter "r" for the radius, which is the distance from the centre to any point on the circle. Circles have various essential qualities, including circumference (the distance around the circle), which is given by the formula 2r, where (pi) is a mathematical constant roughly equal to 3.14159. The formula r2 gives the area of a circle, which is the amount of space inside the circle.

Using the angle bisector theorem, we can find the length of each segment in terms of x:

\($\frac{LD}{LC}=\frac{BD}{BC} \Rightarrow \frac{8}{x+8}=\frac{6}{10} \Rightarrow x=4$\\$\frac{LJ}{AJ}=\frac{BL}{BA} \Rightarrow \frac{LJ}{5}=\frac{8}{12} \Rightarrow LJ=\frac{10}{3}$\)

Therefore, the solution for x is 4 and the length of LJ is \($\frac{10}{3}$\)

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The correct answer is incorrect. The 99.8% confidence interval for the population mean is not 54.4.

To construct a confidence interval, we can use the formula:

CI = x ± z * (s / sqrt(n))

Where x is the sample mean, s is the sample standard deviation, n is the sample size, and z is the critical value corresponding to the desired confidence level.

For a 99.8% confidence level, the critical value is z = 2.807. Plugging in the values into the formula, we have:

CI = 58.5 ± 2.807 * (9.5 / sqrt(57))

Calculating the values, we get:

CI = 58.5 ± 2.807 * 1.253

CI = 58.5 ± 3.512

The confidence interval for the population mean L is therefore:

CI = (58.5 - 3.512, 58.5 + 3.512)

CI = (54.988, 62.012)

Rounding to one decimal place, the 99.8% confidence interval for the population mean is (55.0, 62.0).

The given answer of 54.4 is incorrect and does not fall within the calculated confidence interval.

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Answer:

Step-by-step explanation:

2y=-3x-5

y=-3/2x-5/2

Answer:

Y= -2.5

X= -1.6

Step-by-step explanation:

2y+3x= -5

2y+3(0)= -5

2y= -5

2y÷2=y

-5÷2= -2.5

Y=-2.5

2y+3x= -5

2(0)+3x= -5

3x= -5

3x÷3=x

-5÷3= -1.6

X= -1.6

Answer:

10/33 there 33 chocolates in the bag but only 10 are dark chocolate

Step-by-step explanation:

Answer:

x= -1 or x=3

Step-by-step explanation:

The Values of (a+b)ab are undefined.

Given that, a = 3an and db = -2We need to find the values of (a+b)

Now, we have a = 3an... equation (1)Also, we have db = -2... equation (2)From equation (1), we get: n = 1/3... equation (3)Putting equation (3) in equation (1), we get: a = a/3a = 3... equation (4)Now, putting equation (4) in equation (1), we get: a = 3an... 3 = 3(1/3)n = 1

From equation (2), we have: db = -2=> d = -2/b... equation (5)Multiplying equation (1) and equation (2), we get: a*db = 3an * -2=> ab = -6n... equation (6)Putting values of n and a in equation (6), we get: ab = -6*1=> ab = -6... equation (7)Now, we need to find the value of (a+b).For this, we add equations (1) and (5),

we get a + d = 3an - 2/b=> a + (-2/b) = 3a(1) - 2/b=> a - 3a + 2/b = -2/b=> -2a + 2/b = -2/b=> -2a = 0=> a = 0From equation (1), we have a = 3an=> 0 = 3(1/3)n=> n = 0

Therefore, from equation (5), we have:d = -2/b=> 0 = -2/b=> b = ∞Now, we know that (a+b)ab = (0+∞)(0*∞) = undefined

Therefore, the values of (a+b)ab are undefined.

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Answer:

the answer is 18.long

Step-by-step explanation:

Answer:

4/15

Step-by-step explanation:

there are 30 total songs.

There are 8 mambo songs, which can also be written as 8/30.

8/30 can be reduced by 2, making it 4/15.

Therefore, there is a probability of 4/15 that a mambo song will play

SORRY IF THIS DOES NOT MAKE SENSE

The percentage of value-added time in a trip to the emergency room is 15.83%.

Given the following data:

Time taken by triage nurse before assessment = 14 minutes

Average time taken for assessment by triage nurse = 5 minutes

Time taken before examination room = 79 minutes

Time taken in the examination room for vitals and notes by nurse = 11 minutes

Time taken before the doctor sees the patient = 22 minutes

Average time taken by the doctor for treatment = 17 minutes

Time taken for the nurse to come to discuss post-treatment instructions = 6 minutes

Time taken to review the instructions with the patient = 4 minutes

Let us first calculate the total time taken,

Total Time = Time before examination room + time in examination room + time after treatment + time taken by the triage nurse

Total Time = 79 + 11 + 22 + 17 + 6 + 4

                  = 139 minutes

Now, let us calculate the total time spent on assessment and treatment.

This will include the time taken by the triage nurse and the doctor.

Total Time Spent on Assessment and Treatment = Time taken by triage nurse + time taken by the doctor

Total Time Spent on Assessment and Treatment = 5 + 17

                                                                                  = 22 minutes

Now, we can calculate the percentage of value-added time as follows,

Percentage of Value-Added Time = Total Time Spent on Assessment and Treatment / Total Time * 100

Percentage of Value-Added Time = 22 / 139 * 100

Percentage of Value-Added Time = 15.83%

Therefore, the percentage of value-added time in a trip to the emergency room is 15.83%.

Rounding off this value to 2 decimal places, we get the final answer as 15.83%.

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Using the percentage increase formula, we know that the rate of increase in the advertising cost of the company is 93.5%.

In mathematics, a percentage is a number or ratio that is expressed as a fraction of 100.

The percent symbol, "%," is widely used to denote it even if the abbreviations "pct," "pct," and rarely "pc" are also employed.

A% is a number that has neither dimensions nor a defined unit of measurement.

For instance, if you properly answered 75 out of 100 questions on a test, you would have received a 75% grade (75/100).

So, the percentage increase formula:

% increase: original - increase/original * 100

Increase: 76680-72000 - 4680

Now, substitute values as follows:

% increase: original - increase/original * 100

% increase: 72000 - 4680/ 72000* 100

% increase:93.5

Therefore, using the percentage increase formula, we know that the rate of increase in the advertising cost of the company is 93.5%.

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The total cost of the book, including tax, is given by the expression 1.08x. In the given expression, x represents the price of the book before tax. To calculate the total cost of the book, we need to add the tax to the original price.

The expression 1.08x represents the price of the book after adding a tax of 8% (or 0.08). Multiplying the original price (x) by 1.08 accounts for the addition of the tax.

For example, if the price of the book before tax is $10, then the total cost would be 1.08 * $10 = $10.80. The additional $0.80 represents the 8% tax added to the original price.

By using the expression 1.08x, we can easily calculate the total cost of the book for any given price before tax. This expression allows us to account for the tax and obtain the final price that includes both the original price and the additional tax amount.

Therefore, the expression 1.08x provides a convenient way to calculate the total cost of the book, considering the tax component.

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Answer:-

\(\boxed{\huge \text{182 feet}}\)

Step-by-step explanation:

Let the height of the next tallest rider be t feet

Since the 260-foot-tall ride is 78 feet taller than the next tallest;

That means t = 260 - 78 = 182 feet



Therefore, the height of the second tallest ride in the park = 182 feet.

\(\huge \text{hope this helps! :)}\)

-InLoveWithNature-

Answer:

L=65m

W=23m

Step-by-step explanation:

\(3W-4=L\\2L+2W=176\\\\2L+2W=176\\-2L+6W=8\\8W=184\\W=23m\\L=23*3-4=65m\)

The length and width of the rectangle are 63m and 25m.

A rectangle is a quadrilateral, a 2d shape that has four sides and four vertices.

We have,

The perimeter of a rectangle = 176 m

Length of the rectangle = L = 3 x (W- 4 )

Width of the rectangle = W

The perimeter of a rectangle is given by:

176 = 2 ( L + W )

176 = 2 ( 3 ( W - 4 ) + W )

176 = 2 ( 3W - 12 + W )

176 = 2 ( 4W - 12 )

176 = 8W - 24

176 + 24 = 8W

200 = 8W

W = 200 / 8

W = 25 m

Now,

Put W = 25 in L = 3 x ( W - 4 )

L = 3 x ( 25 - 4 )

L = 3 x 21

L = 63 m

We can cross-check:

Perimeter = 2 ( 63 + 25 ) = 2 ( 88 ) = 176 m

Thus the length and width of the rectangle are 63m and 25m.

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Answer:

the numbers are -10 and +3

Answer:

\(\frac{1}{12}\)

Step-by-step explanation:

Divide \(\frac{1}{32}\) by \(\frac{3}{8}\) by multiplying \(\frac{1}{32}\) by the reciprocal of \(\frac{3}{8}\).

\(\frac{1}{32}\) × (\(\frac{8}{3}\))

Multiply  \(\frac{1}{32}\)  times \(\frac{8}{3}\) by multiplying numerator times numerator and denominator times denominator.

\(\frac{1x8}{32x3}\)

Do the multiplications in the fraction \(\frac{1x8}{32x3}\)

\(\frac{8}{96}\)

Reduce the fraction \(\frac{8}{96}\) to lowest terms by extracting and canceling out 8.

\(\frac{1}{12}\)

Hope it helps. =D

Have a great day!

Answer:

0.0833333333333333333333333333

Thus, 420 fish were ultimately caught, with 6x standing in for "6 times as much."

x + y = 420; y = 6x

Thus, 420 fish were ultimately caught, with 6x standing in for "6 times as much."

The smallest and largest fish range in size from 1 cm to 18 m. 18 m then equals 18 x 100 or 1800 cm. ∴ The length of large fish exceeds that of little fish by 1800 times.

The number of parrotfish Carlos purchased is represented by the variable y, whereas the number of angelfish Carlos purchased is represented by the variable x.

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Answer:

Reflection

Step-by-step explanation:

With a reflection, a shape is mirrored across a line. So, while its position is changed, the points end up getting flipped too. In this problem, you can imagine a diagonal line goes right through the center of the two shapes shown (the original and its mirror). The line would be equidistant from L and G; it would be equidistant from B and D; it would also be equidistant from U and O. If you were to mirror B, U, and L across this line, you would get your reflection points D, O, and G.

The shape BUL is mirrored over a diagonal line to get DOG, which means it is a reflection

The unknown angle in the triangle is as follows;

m∠S = 38 degrees

A triangle is a polygon with three sides. The sum of angles in a triangle is 180 degrees.

In the triangle QRS,

m∠Q = 4m∠R

m∠R = 3 / 4 m∠S

Therefore, let's find the angle m∠S in the triangle as follows:

Therefore,

m∠Q + m∠R + m∠S = 180°

let

m∠R = x

4x + x + 4 / 3 x = 180

5x + 4 / 3 x  = 180

15x + 4x / 3 = 180

19x / 3 = 180

19x = 180 × 3

19x = 540

x = 540 / 19

x = 28.42

Therefore,

m∠S = 4 / 3 (28.42)

m∠S = 37.8947368421

m∠S = 38 degrees

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Answer:

18

Step-by-step explanation:

We can rewrite the question into mathematical forms, such as:

\(\frac{3}{1} =\frac{x}{6}\)

solve for x:

\(\frac{3}{1} =\frac{x}{6} \\\\3*6=\frac{x}{6}*6\\\\18=x\)

Answer: Read the step by step explanation for the answer

Step-by-step explanation:

We can use the Pythagorean theorem to find the hypotenuse of the right triangle formed by the given point (4, 3) and the origin (0, 0):

r = √(4² + 3²) = 5

Then we can use the coordinates of the point (4, 3) to determine the values of the trigonometric functions:

sin(θ) = opposite/hypotenuse = 3/5

cos(θ) = adjacent/hypotenuse = 4/5

tan(θ) = opposite/adjacent = 3/4

csc(θ) = hypotenuse/opposite = 5/3

sec(θ) = hypotenuse/adjacent = 5/4

cot(θ) = adjacent/opposite = 4/3

Therefore, the values of the six trigonometric functions of θ are:

sin(θ) = 3/5

cos(θ) = 4/5

tan(θ) = 3/4

csc(θ) = 5/3

sec(θ) = 5/4

cot(θ) = 4/3

1. x=71

This is solved by isolating the radical then raising each side of the equation to the power of its index.

2. NO SOLUTION

There are no values of x that make the equation true.

Answer:

1. 71

2. No solution

Answer:

7x+11x=90

18x=90

x=5

one angle = 35 degrees

another angle = 55 degrees

Step-by-step explanation:

The output of the following code fragment

int x=0;

while( x < 5)

cout << x << endl;

x ++;

cout << x << endl; will be  0, 1, 2, 3, 4, 5.

The code initializes the variable x to 0, and then enters a while loop that will execute as long as x is less than 5. During each iteration of the loop, the value of x is output to the console using the cout statement, followed by a new line character.

After the cout statement, x is incremented by 1 using the x++ statement. This process is repeated until x is equal to 5, at which point the loop terminates. Finally, the value of x is output to the console using the cout statement, followed by a new line character, giving the output of 5.

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The equation representing the statement is:

Amanda earned $15 per hour at her cashier job.

The given statement is:

Amanda worked 14 hours at her cashier job then babysat and earned $40. In total, she earned $250 that week.

The equation representing the given statement is as follows:

Cashier job earnings + Babysitting earnings = Total earnings

Let the earnings per hour at Amanda's cashier job be x

The equation becomes:

14x + $40 = $250

B: Solving the equation to find the value of x and determine how much Amanda earned per hour at her cashier job:

14x + $40 = $250

14x = $250 - $40

14x = $210

x = $210 / 14

x = $15

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Answer:

d = 0.4

Step-by-step explanation:

3/2 + 1/2 = 5d - 1/2 + 1/2

2 = 5d

2 ÷ 5 = 5d ÷ 5

0.4 = d

d = 0.4