i^155 =
answers

-i

i

-1

1

Answers

Answer 1

Answer:

(i²)^77×i

-1×i

-i

is a required answer.

Answer 2

Answer::)

Step-by-step explanation:


Related Questions

need help with this ASAP
!!!!!!!!!!!!!!!!!!!!!!!!

need help with this ASAP!!!!!!!!!!!!!!!!!!!!!!!!

Answers

The fence in dead center is about 399 feet from the third base.

What is the Pythagorean Theorem?

The Pythagorean Theorem states that in the case of a right triangle, the square of the length of the hypotenuse, which is the longest side,  is equals to the sum of the squares of the lengths of the other two sides.

Hence the equation for the theorem is given as follows:

c² = a² + b².

In which:

c > a and c > b is the length of the hypotenuse.a and b are the lengths of the other two sides (the legs) of the right-angled triangle.

For the triangle in this problem, we have that:

The sides are d ft and 90 ft.The hypotenuse is of 409 ft.

Hence the distance is obtained as follows:

d² + 90² = 409²

\(d = \sqrt{409^2 - 90^2}\)

d = 399 ft.

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A flat circular plate has the shape of the region x squared plus y squared less than or equals 1.The​ plate, including the boundary where x squared plus y squared equals 1​,is heated so that the temperature at the point (x comma y )is Upper T (x comma y )equalsx squared plus 2 y squared minus three halves x.Find the temperatures at the hottest and coldest points on the plate.

Answers

Answer:

We have the coldest value of temperature \(T(\frac{3}{4},0) = -9/16 \). and the hottest value is \(T(-(3/4),\frac{\sqrt{7}}{4})=\frac{5}{16}\).

Step-by-step explanation:

We need to take the derivative with respect of x and y, and equal to zero to find the local minimums.

The temperature equation is:

\(T(x,y)=x^{2}+2y^{2}-\frac{3}{2}x\)

Let's take the partials derivatives.

\(T_{x}(x,y)=2x-\frac{3}{2}=0\)

\(T_{y}(x,y)=4y=0\)

So, we can find the critical point (x,y) of T(x,y).

\(2x-\frac{3}{2}=0\)

\(x=\frac{3}{4}\)

\(4y=0\)

\(y=0\)

The critical point is (3/4,0) so the temperature at this point is: \(T(\frac{3}{4},0)=(\frac{3}{4})^{2}+2(0)^{2}-(\frac{3}{2})(\frac{3}{4})\)

\(T(\frac{3}{4},0)=-\frac{9}{16}\)    

Now, we need to evaluate the boundary condition.

\(x^{2}+y^{2}=1\)

We can solve this equation for y and evaluate this value in the temperature.

\(y=\pm \sqrt{1-x^{2}}\)

\(T(x,\sqrt{1-x^{2}})=x^{2}+2(1-x^{2})-\frac{3}{2}x\)  

\(T(x,\sqrt{1-x^{2}})=-x^{2}-\frac{3}{2}x+2\)

Now, let's find the critical point again, as we did above.

\(T_{x}(x,\sqrt{1-x^{2}})=-2x-\frac{3}{2}=0\)            

\(x=-\frac{3}{4}\)    

Evaluating T(x,y) at this point, we have:

\(T(-(3/4),\sqrt{1-(-3/4)^{2}})=-(-\frac{3}{4})^{2}-\frac{3}{2}(-\frac{3}{4})+2\)  

\(T(-(3/4),\frac{\sqrt{7}}{4})=\frac{5}{16}\)

Now, we can see that at point (3/4,0) we have the coldest value of temperature \(T(\frac{3}{4},0) = -9/16 \). On the other hand, at the point \(-(3/4),\frac{\sqrt{7}}{4})\) we have the hottest value of temperature, it is \(T(-(3/4),\frac{\sqrt{7}}{4})=\frac{5}{16}\).

I hope it helps you!

6) The height of any child in Mr. Diaz's kindergarten class is no greater than 46 inches.
Unkno
e) Let h be the height in inches of a child in the class. Write an inequality that means that
a height is no greater than 46 inches.
h < 46
Unkno
•) Graph the inequality h < 46.
egunkno
58
60
54
56
50
52
48
46
44
40
42
0 0
Crin
mage

6) The height of any child in Mr. Diaz's kindergarten class is no greater than 46 inches.Unknoe) Let

Answers

Answer:

full arrow going left from 46

Step-by-step explanation:

Inequalities are used to represent unequal expressions.

The inequality is: \(h \le 46\)

The height (h) is said to be no greater than 46 inches.

The text "no greater than" means less than or equal to.

In inequalities, less than or equal to is represented with <=

So, the inequality is:

\(h \le 46\)

See attachment for the graph of the inequality.

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6) The height of any child in Mr. Diaz's kindergarten class is no greater than 46 inches.Unknoe) Let

4,0000000000×10,00000000

Answers

Answer:

yes 40

Step-by-step explanation:

she got it correct

244-33456/3456*345+13.55-2=

Answers

The order of operations (PEMDAS) states that we should perform multiplication and division before addition and subtraction. Using this order, we get:

244 - (33456 / 3456) * 345 + 13.55 - 2

= 244 - 97.02 * 345 + 13.55 - 2

= 244 - 33494.1 + 13.55 - 2

= -33238.55

Therefore, 244-33456/3456*345+13.55-2 = -33238.55.

Which equation could be used to find the length of the hypotenuse

Which equation could be used to find the length of the hypotenuse

Answers

Answer:

first equation

Step-by-step explanation:

A tortoise is walking in the desert. It takes 4 minutes to walk 6.4 meters. What is its speed?

Answers

Step-by-step explanation:

speed= distance

time

speed= 6.4

4×60

speed= 0.026 m/s

maya needs 54 cubic feet of soil for her garden. she already has 4.5 cubic feet of soil. Each bag contains 1.5 cubic feet of soil. How many bags of soil should maya purchase?

Answers

Answer:

33 bags

Step-by-step explanation:

she has 4.5 ft³

she needs 54 ft³

she must get an additional

54 ft³ - 4.5 ft³ = 49.5 ft³

each bag has 1.5 ft³

(49.5 ft³)/(1.5 ft³) = 33

Answer: 33 bags

/////////////////////////////////////////////////

/////////////////////////////////////////////////

Answers

Answer:

341

Step-by-step explanation:

We observe the pattern:

1, 5, 13, 25, ..

It can be put as:

0 + 1, 1 + 4, 4 + 9, 9 + 16, ..

or

0² + 1², 1² + 2², 2² + 3², 3² + 4², ..

The nth term is going to be:

(n - 1)² + n²

The sum of the 31 terms will be:

N = 0² + 1² + 1² + 2² + 2² + 3² + 3² + ... + 30² + 30² + 31²

or

N = 2(1² + 2² + 3² + ... + 30²) + 31²

Use the formula for sum of the first n squares:

1² + 2² + 3² + ... + n² = n(n + 1)(2n + 1)/6

The sum N equals:

N = 2(30*31*61)/6 + 31² = 10*31*61 + 31²

And the value of N/31 is:

10*31 + 31 = 341

A boat heading out to sea starts out at Point A A, at a horizontal distance of 862 feet from a lighthouse/the shore. From that point, the boat’s crew measures the angle of elevation to the lighthouse’s beacon-light from that point to be 15 ∘ ∘ . At some later time, the crew measures the angle of elevation from point B B to be 8 ∘ ∘ . Find the distance from point A A to point B B. Round your answer to the nearest tenth of a foot if necessary.

Answers

Answer:

The boat traveled 781.5 feet from point AA to point BB

Step-by-step explanation:

Find the height of the small triangle then find the base of the big triangle then subtract the two answers to find the distance between a and b

:)

The ability of lizards to recognize their predators via tongue flicks can often mean life or death for lizards. Seventeen juvenile common lizards were exposed to the chemical cues of the viper snake. Their responses, in number of tongue flicks per 20 minutes, are presented below.

523, 455, 693, 574, 370, 642, 336, 387, 727, 370,
302, 268, 693, 472, 710, 285, 744

Preliminary data analyses indicate that you can reasonably apply the z-interval procedure. Find a 90% confidence interval for the mean number of tongue flicks per 20 minutes for all juvenile common lizards. Assume a population standard deviation of 190.0. Note: The sum of the data is 8551.
Confidence interval:

Answers

We can see here that the 90% confidence interval will be: 420.2 to 585.8.

What is confidence interval?

An interval of values known as a confidence interval is one that is likely to include the real value of a population parameter. A confidence interval of 95%, for instance, indicates that there is a 95% likelihood that the population parameter's real value falls inside the interval.

We will find the sample mean first:

Sample mean = sum of data points / number of data points

Sample mean = 8551 / 17 = 503

Then the standard error will be:

Standard error = population standard deviation / square root of number of data points

Standard error = 190 / √(17) = 41.7

Confidence interval = Sample mean ± 1.645 × standard error.

where 1.645 is the z-score for a 90% confidence interval.

Confidence interval = 503 ± 1.645 * 41.7 = 420.2 to 585.8

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(-2) (4+6)+(-2) 6 / (-2) (4-1) simplified

Answers

The simplified form of the expression is \(-32\).

To simplify the expression, we can perform the calculations written below step by step:

\(\(\frac{{-2(4+6)+(-2)6}}{{-2(4-1)}}\)\)

We follow the order of operations (PEMDAS/BODMAS):

Step 1: Simplify within parentheses:

\(\(4+6 = 10\)\).

Step 2: Perform multiplications and divisions from left to right:

\(\(-2(10) = -20\) and \(-2(4-1) = -2(3) = -6\)\).

Step 3: Evaluate the remaining additions and subtractions:

\(\(-20 + (-2) \cdot 6 = -20 - 12 = -32\)\).

Therefore, the simplified form of the expression \(\(\frac{{-2(4+6)+(-2)6}}{{-2(4-1)}}\) is \(-32\).\)

When simplifying an expression, several factors need consideration. First, apply the order of operations correctly, respecting parentheses and exponents. Next, combine like terms by adding or subtracting them. Distribute and simplify within parentheses or brackets as needed. Pay attention to negative signs and ensure their proper placement.

Finally, review the simplified expression to ensure accuracy and validity within the given context.

Note: The complete question is:

\(\(\frac{{-2(4+6)+(-2)6}}{{-2(4-1)}}\)\), calculate the simplified form of this expression.

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9-b9−b9, minus, b when b=8b=8b, equals, 8.

Answers

If the value of b is 8. Then the value of the expression (9 - b) will be 1.

What is simplification?

Making anything easier to accomplish or comprehend, as well as making it less difficult, is the definition of simplification.

The expression is given below.

⇒ 9 - b

If the value of b is 8. Then the value of the expression will be

⇒ 9 - b

⇒ 9 - 8

⇒ 1

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On a super clearance sale, bathing suits were marked 85% off. What is
the sale price of a bathing suit that was originally priced $60?

Answers

The sale price is $9

Answer: $9

Step-by-step explanation: 85% off means when you multiply the number by 0.85 you subtract that from the original number, 60 times 0.85 is 51 and 60-51=9! Hope this helps!

Easy geometry please help!!

Easy geometry please help!!

Answers

In the given parallelogram ABCD the values for variables are - g = 6, y = 5 and x = 4.

What is a parallelogram?

A quadrilateral with two sets of parallel sides is referred to as a parallelogram. In a parallelogram, the opposing sides are of equal length, and the opposing angles are of equal size. Additionally, the interior angles that are additional to the transversal on the same side.

We know that in a parallelogram, opposite sides are congruent and parallel, and diagonals bisect each other.

Using this information, we can set up equations to solve for the variables.

From the given information, we have -

AE = CE = 2x - 5 = 5x - 17 (since diagonals bisect each other at point E)

BE = x + 2

DE = BE = (x + 2) = g (since diagonals bisect each other at point E)

We also know that opposite sides of a parallelogram are parallel.

Therefore, 10 is parallel to 2y, which means they have the same slope. We can write this as -

10/1 = 2y/1

10 = 2y

y = 5

Now we can use equation (1) to solve for x -

2x - 5 = 5x - 17

12 = 3x

x = 4

Finally, we can use x to solve for g -

(x + 2) = g

(4 + 2) = g

g = 6

Therefore, the values of x, y, and g are 4, 5, and 6, respectively.

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Easy geometry please help!!

The age of a father is three times that of his son, but six years ago, the sum of their ages was 45. What is the present age of the son?

Answers

Answer: Let's call the present age of the son x and the present age of the father y.

We know that y = 3x and that six years ago, the sum of their ages was 45.

So, we can write the equation:

x + (y-6) = 45

x + (3x-6) = 45

4x = 51

x = 12.75

The present age of the son is 12.75 years.

Step-by-step explanation:

PLEASE HELP im literally gonna cry


please answer this correctly please for extra points and brainliest PLEASE

PLEASE HELP im literally gonna cryplease answer this correctly please for extra points and brainliest

Answers

Answer:

4x+10

Step-by-step explanation:

Slope form: mx+b

Slope formula: y2-y1/x2-x1

(2, 18) (3,22)

22-18=4

3-2= 1

4/1=4

4x+10

Seventy percent of the children went on the excursion. If 27 stayed at school, how many went?​

Answers

By using the Unitary Method we get the number of children who went on an excursion was 63. Thus, the total number of children at school is 90.

We are given that,

No. of children who stayed at school is 27,

Also, 70% of the children went on an excursion.

Suppose, the total number of children in percentage is 100%

Out of which 70% went on an excursion

Thus, the children who stayed at school is 100% - 70% = 30%

By using the Unitary method, we can find out the number of 70% of children.

If 30% of the children are 27

Then 70% of the children are = 27 × 100

                                                        30

                                                 = 63

∴ the total no. of children in the school = 27 + 63

                                                                 = 90

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Whats the answer please help!

Whats the answer please help!

Answers

It’s B

because the median for school 1 is 7
and the median for school 2 is 7.5

Therefore it is B, the median for school 2 is greater than school one median

Find the extraneous solution of the equation |2x−12|=−4x.

Answers

Answer:

X=2

Step-by-step explanation:

|2x -12| = -4x

2x-12 = -4x

2x - (-4x) = 12

2x +4x =6x

6x=12

x=12/6

x=2

Determine the ending balance in the account if you deposit $720 at 6% for 5 days

Answers

Answer:

Step-by-step explanation:

S.I =720×6×5/100×365

=21600/36500

=0.59178

So balance will be 720+0.59178

=720.59178

The length of a rectangle is four times its width. If the perimeter of the rectangle is 180 ft, find its area

Answers

The area of the rectangle is 1296 square feet.

Let's denote the width of the rectangle as "w" and its length as "4w" since the length is four times the width.

The formula for the perimeter of a rectangle is given by:

P = 2(l + w), where P is the perimeter, l is the length, and w is the width.

Given that the perimeter of the rectangle is 180 ft, we can write the equation as:

180 = 2(4w + w)

Simplifying the equation:

180 = 2(5w)

180 = 10w

w = 18

So, the width of the rectangle is 18 ft.

Now, we can find the length of the rectangle:

Length = 4w = 4(18) = 72 ft

The area of a rectangle is given by the formula:

\(A = l \times w,\)

where A is the area,

l is the length,

and w is the width.

Substituting the values we found:

Area \(= 72 ft \times 18 ft = 1296 ft^2\)

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I just wanted to check if my answer is correct

I just wanted to check if my answer is correct

Answers

Answer

\(z=\frac{y}{w-c^5}\)

Explanation

Given:

\(y=zw-zc^5\)

Factor z out in the right hand side of the equation

\(y=z(w-c^5)\)

Divide both sides by w - c⁵

\(\begin{gathered} \frac{y}{w-c^5}=\frac{z(w-c^5)}{w-c^5} \\ \\ z=\frac{y}{w-c^5} \end{gathered}\)

The histogram below gives the distribution of test scores for a sample of
students in a school in Alaska. Approximately how many students received a
score between 70.5 and 80?

The histogram below gives the distribution of test scores for a sample ofstudents in a school in Alaska.

Answers

Answer:

The correct answer is B.

Approximately 200 students received a test score between 70.5 and 80.

If the area of a square inscribed in a circle is
25, what is the area of the circle?

Answers

The area of a square inscribed in a circle is 25, then the area of the circle is 25π/2 or approximately 39.27 square units.

To solve this problem, we can use the relationship between the area of a square inscribed in a circle and the area of the circle itself.

When a square is inscribed in a circle, the diagonal of the square is equal to the diameter of the circle. Let's assume that the side length of the square is 's' and the radius of the circle is 'r'.

We are given that the area of the square is 25, so we can find the side length of the square:

Area of square = \(s^2 = 25\)

Taking the square root of both sides, we get:

s = √25 = 5

Since the diagonal of the square is equal to the diameter of the circle, we can find the diameter of the circle:

Diagonal = Diameter = s√2 = 5√2

The radius of the circle is half the diameter, so:

Radius = 5√2 / 2 = (5√2)/2

Now, we can calculate the area of the circle using the formula:

Area of circle = \(\pi r^2\)

Substituting the value of the radius, we get:

Area of circle = π((5√2)/\(2)^2\) = π(25/2) = 25π/2

Therefore, the area of the circle is 25π/2 or approximately 39.27 square units.

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Pat's soccer team has 15 players. 2/3
of the players went out for frozen yogurt after their last win. How many players went out for yogurt?

Answers

Answer:

10

Step-by-step explanation:

Oreana's 150 g bag of trail mix is x% raisins. Brandon's 250 g bag of trail mix is y% raisins. They combine the two mixes together in one bowl.
Write an expression which shows how many grams of raisins are in the bowl

Answers

The expression which shows how many grams of raisins are in the bowl will be

(0.01x) * 150 + (0.01y) * 250

What is the expression that shows the raisin?

An expression is simply used to show the relationship between the variables that are provided or the data given regarding an information. In this case, it is vital to note that they have at least two terms which have to be related by through an operator. Some of the mathematical operations that are illustrated in this case include addition, subtraction, etc.

The expression which shows how many grams of raisins are in the bowl will be:

= (x% × 150) + (y% × 250)

= (0.01x) * 150 + (0.01y) * 250

This equation represents the total grams of raisins in the bowl by multiplying the weight of the Oreana's bag by the percentage of raisins in it, and adding that to the product of the weight of Brandon's bag and the percentage of raisins in it. The "0.01" is used to convert the percentages from x and y to decimal form.

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Mme Potana asks the children in her class to count as awhole class from 1 to 20 Ntate Mafodi asks the children in his class to count seeds from the schools grounds in a pile by touching each as they count Write in your own words what number knowledge are the children in each of these classes developing?​

Answers

The children in Mme Potana's class, who count together as a whole class from 1 to 20, are developing their number recognition and counting skills. They are learning to identify and associate the spoken words with the corresponding written numerals.

On the other hand, the children in Ntate Mafodi's class, who count seeds individually by touching each seed as they count, are developing their one-to-one correspondence skills. They are learning to associate each seed with a specific number, recognizing that each count corresponds to one object.

This activity helps them understand the concept of cardinality, which is the understanding that the last number counted represents the total quantity of objects.

Both activities contribute to the children's overall number sense, which is the understanding and familiarity with numbers and their relationships. By engaging in these counting exercises, the children are building the foundation for more complex mathematical concepts such as addition, subtraction, and problem-solving skills.

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What is the equation of the line that is perpendicular to
the given line and has an x-inter cept of 6?
O y = x + 8
O y = x + 6
O y = fx-8
O y=x-6

Answers

Answer:

the last one, y=x-6

Step-by-step explanation:

it is the only answer with an x-intercept of 6. you did not provide the line, but I'm assuming it is y=-x.

41​% adults favor the use of unmanned drones by police agencies. Twelve U.S. adults are randomly selected. Find the probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ (a) exactly​ three, (b) at least​ four, (c) less than eight.

P(3)=
P(x >4)=
P(x<9)=

Answers

The probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​;

(a) exactly​ three = 0.1314

(b) at least​ four = 0.7953

(c) less than eight = 0.93382

How to solve Binomial Probability Distribution Problems?

The binomial probability distribution is the probability of exactly x successes on n repeated trials, with p probability. The formula is;

P(X = x) = ⁿCₓ * pˣ * (1 - p)^(n - x)

We are given;

p = 41% = 0.41

n = 12

Thus;

1) The probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is​ exactly​ three;

P(3) = ¹²C₃ * 0.41³ * (1 - 0.41)^(12 - 3)

P(3) = 0.1314

2) The probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is at least​ four;

P(x ≥ 4) = P(X = 4) + P(X = 5) + P(X = 6) + P(X = 7) + P(X = 8) + P(X = 9) + P(X = 10) + P(X = 11) + P(X = 12)

P(x ≥ 4) = 0.7953

3) The probability that the number of U.S. adults who favor the use of unmanned drones by police agencies is less than eight using binomial probability calculator is;

P(X < 8) = 0.93382

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