suppose an isosceles triangle abc has a=pi/4 and b=c=4. what is the length of a squared

Answers

Answer 1

The Isosceles triangle length of a² will be equal to (32 - 16√2).

What is an isosceles triangle?

The triangle in which the two opposite sides are equal and the two opposite angles are equal is called the isosceles triangle.

A triangle that has at least two sides of equal length is said to be isosceles. Sometimes it is stated to have exactly two sides that are the same length, while other times it is stated to have at least two sides that are the same length, with the latter version mentioning the equilateral triangle as an exception.

It is given that in an isosceles triangle abc has a=π/4 and b=c=4. Then the value of a² will be calculated as below:-

Using the cosine formula to calculate the value of a².

a² = b² + c² -2bc cosФ

a² = 16 + 16 - 2(4)(4)cos(π/4)

a² = 32 - ( 32 x {√2/2})

a² = 32 - 16√2

Therefore, the length of a² will be equal to (32 - 16√2).

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Answer 2

Answer:

4^2(2-root2)

Step-by-step explanation:


Related Questions

4.
A standard glass of wine is 5 oz. How many full glasses of wine can you get from a typical 750 ml bottle?
full 5-oz glasses of wine.

Answers

Answer:

5

Step-by-step explanation:

750ml= 25 fluid oz each glass is 5oz

5/25=5oz

The perimeter of a rectangle is 28 cm. Which of the following express the area of the rectangle in terms of the width x?

Answers

Answer:

14x−x

2

Step-by-step explanation:

Perimeter is 2x + 2y = 28 (y is the length BTW)

To find y, transfer equations

28-2x=2y

Divide both sides by 2

14-x = y

Now you have your length in terms of x

Multiplt length and width

x(14-x)

14x - x {}^{2}14x−x

2

Help!!
Find the after-tax return to a corporation that buys a share of preferred stock at $49, sells it at year-end at $49, and receives a $4 year-end dividend. The firm is in the 21% tax bracket.

This is what I got so far:

Before-tax:

(49-49)+4 = 4,

4/49 = 0.0816,

After-tax:

0.0816 (1-021) = 0.06448 or 6.45%

Answers

Based on the calculation below, the after-tax return to the corporation is $3.16 per share or 6.44% if expressed in percentage.

How do we calculate the after-tax return?

The after-tax return can be calculated using the following formula:

After-tax return = Total return * ( 100% - tax rate) .............. (1)

Where:

Total return Received = Dividend received + Change in price = $4 + ($49 - $49 ) = $4 + $0 = $4

Tax rate = 21%

Substituting the values into equation (1), we have:

After tax return = $4 * ( 100% - 21%)

After-tax return = $3.16 per share

The after-tax return can also be expressed in percentages as follows:

After-tax return in percentage = After-tax return / Share price = $3.16 / $49 = 0.06444897 = 6.44%

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Un poste mide 150 centímetros y está pintado de azul, rojo y amarillo. La parte pintada de azul es 2/5 del poste, la parte pintada de rojo es 1/2 de la pintada de azul, y lo que resta está pintado de amarillo ¿cuánto mide cada parte?

Answers

A 150 cm post is painted in shades of azure, red, and amber. The blue portion of the post is two-fifths of the way up, the red portion is one-half of the blue portion, and the remaining portion is painted in amarillo. What does each part weigh?

71 forms

First, we'll determine how many different ways the five cubes may be arranged in a column using the multiplicand rule:

5 * 4 * 3 * 2 * 1 = 120

We have five cubes to place at the base of the column, four for the second position, three for the third position, and so on until all the cubes are organized.

Then we'll calculate how many different ways we may arrange the five cubes so that they'reBlue cubos twirl around one another. In this case, we would count the two blue cubes as though they were only one, which means that we would only have "4 cubes" and be able to arrange them in 24 different ways:

4 * 3 * 2 * 1 = 24

On the other hand, the two blue cubes can be arranged in one of two different ways: first the clear, then the dark, or first the dark, then the clear.

That is to say, there are 24 different ways to arrange the cubes so that the light comes on first and the dark follows, and there are 24 different ways to arrange the cubes so that the dark comes on first and the light follows.

This means that 48 of the 120 ways to organize the five cubes contain the cubes. 72 (120-48) formas los dos cubos azules no se tocan entre sí.

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Yessenia simplified an expression as shown below:

Answers

Answer:

Step 1

Step-by-step explanation:

Yessenia should have distributed 3 to (x+4) as her first step.

her steps should have been as follows:

x+6+3(x+4)

x+6+3x+12

re write: x+3x+6+12

4x+18

Is there a difference between [tex]-\frac{x}{y}[/tex] and [tex]\frac{-x}{-y}[/tex] ?
Do they mean different things?

Answers

There is a difference between the expressions -x/y and -x/-y

How to determine if there is a difference between the expression?

The expressions are given as:

-x/y and -x/-y

When the expression -x/-y is evaluated, we have:

-x/-y = x/y

This means that

-x/y = -x/y

-x/-y = x/y

When the above expressions are compared, we can see that both expressions are not equal

Hence, there is a difference between the expressions -x/y and -x/-y

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???????????????????????

Answers

Your answer would be 1/25 of a kilogram, since 4/100 = 1/25

PLS HELP THANK YOU VERY MUCH


Given AB, explain how to construct a square with sides of length AB.

Answers

Answer:

because it is a square, you just need to make a square with the side lenghts all being a or b

Step-by-step explanation:

What are the solutions to the inequality (x-3)(x+5) ≤0?
O {x| 3≤x≤5}
O {xl-5≤x≤-3}
O x1-5≤x≤ 3}
O {xl-3≤x≤5}

Answers

Answer: -5<=x≤3   ==> 3rd option

Step-by-step explanation:

(x-3)(x+5)≤0

x-3>=0 and x+5≤0

x>=3 and x≤-5      ==> Not possible since a number subtracted by 3 can't be greater than the same number added by 5.

x-3≤0 and x+5>=0

x≤3 and x>=-5 ==> -5<=x≤3   ==> 3rd option

The solution to the inequality is {x | -5 ≤ x ≤ 3}, option C is correct.

What is Inequality?

a relationship between two expressions or values that are not equal to each other is called 'inequality.

The given inequality is (x-3)(x+5) ≤0

To solve this inequality, we first find the critical points by setting the expression inside the inequality to zero:

(x-3)(x+5) = 0

This gives us two critical points: x=3 and x=-5.

We want to find where the expression is less than or equal to zero, so we include the endpoints of the intervals where the expression is zero or negative.

Hence,  the solution to the inequality is {x | -5 ≤ x ≤ 3}, option C is correct.

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The regular pentagon shown is rotated clockwise about center point P.
●P
Choose all degrees of rotation that will carry the regular pentagon onto itself.
A. 72°
B. 90°
C. 108°
D. 144°
E. 216°

Answers

You’re answer is Choice number c

Answer:

A. 72°

D. 144°

E. 216°

Step-by-step explanation:

are you tempted to calculate the internal angles ?

that is, I guess, the trap set by your teacher here, and it would be the wrong approach.

nevertheless, quickly just as a reminder :

the sum of all internal angles in a polygon is

(n - 2)×180°

n being the number of sides.

in our case that is

(5 - 2)×180 = 3×180 = 540°

so, each internal angle is 540/5 = 108°.

but we are not turning at an edge or vertex. no, we are turning the pentagon around is central point.

we are running each vertex along a circle arc. the center of that circle being P.

after every 1/5 of the circle arc there is a vertex of the pentagon.

and whenever we rotate one vertex on top of the next one, we carry the pentagon visually onto itself.

so, instead of a full circle rotation we need only 1/5 of that :

360 / 5 = 72°

and with every additional 1/5 of the circle arc (or 72°) we get it again.

that means at

72°

144°

216°

288°

360°

the pentagon carries onto itself.

therefore, A, D and E are correct.

Guided Practice #1
Damaya is baking pies. For every 2 cups of flour, she uses 3
cups of sugar. How many cups of sugar will she need if she
uses 12 cups of flour? Model your answer on the double
number lines below.
0
O.
G
E

Answers

Answer:

18 cups of sugar

Step-by-step explanation:

I don't see any answer choices in your post but assuming it she has to use 3 cups of sugar for every 2 cups of flour, then that would mean she has to use 3/2 cups of sugar for every 1 cup of flour.

So if she uses 12 cups of flour she will have to use (3/2) x 12 = 18 cups of sugar

9×8 no using cocalator​

Answers

Answer:

9x8=72

Step-by-step explanation:

I didn't use a calculator I memorized it?

72 (did not use calc :))

Two adjacent angles are in the ratio 5 ratio 3 and they together form an angle of 128 degree find these angles​

Answers

Answer:

The angles are 80° and 48°.

==============================

Let the angles be x and y.

Their ratio is 5/3:

x/y = 5/3

Their sum is 128:

x + y = 128

Solve the system by substitution:

x = 5y/3x + y = 128

5y/3 + y = 1288y/3 = 128y = 3*128/8y = 48

Find x:

x = 128 - 48 = 80

(x³- 3x²+2x+1)/x²-4x+4 dx (dx/dy) + (x²+4y-y²)/(²√4y+y²)

Answers

Step-by-step explanation:

y=1

x=1

jsjwoqoqoqpqowowoqoao

2. Find the 200th term of
the sequence:
3. 7. 11, 15, 19....

Answers

Answer:

our initial is 3

a1=3

difference or d = 4

The general formula is an = a1+(n-1)*d

an= 3+(200-1)*4

an=3+199*4

an=3+396

an = 399

therefore the 200th item is 399

Step-by-step explanation:

a =3 d=4 n=200

apply the general formula for the nth term

Nine hundred ninety two hundred thousandths wrote in decimal form

Answers

Answer:

 I think the answer is 9.920 please be careful with your answer I think it 9.920 because it says nine hundred and ninety two thousands so therefor the decimal need to be in between 9 and 9 I hope you get this correct!

step-by-step explanation:

At a large university it is known that 30% of the students live on campus. The director of student life is going to take a random sample of 500 students. Which of the following is most likely to occur?

Answers

Using point estimation, the sample proportion falls between 0.2 and 0.4.

What is point estimation?

The sample distribution offers details on the point estimator to choose. If the distribution's mean matches the actual value of the population parameter, the estimator is considered to be impartial. As a result, the population percentage p and the sample proportion p ought to be quite similar.

The correct option is C, because the average of 0.2 and 0.4 is 0.3

Complete Question is -

At a large university it is known that 30% of the students live on campus. The director of student life is going to take a random sample of 500 students. Which of the following is most likely to occur?

a.) The sample proportion falls between 0.3 and 0.5.

b.) The sample proportion falls between 0.1 and 0.3.

c.) The sample proportion falls between 0.2 and 0.4.

d.) The sample proportion falls between 0.25 and 0.35.

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Identify the values of a, b, and c that could be used with the quadratic formula to solve the equation. Enter a as a positive
integer value.
x²=8(x-5)

Answers

Answer:

See below

Step-by-step explanation:

Expand to get    x^2 - 8x + 40 = 0

  a = 1      b = -8    c = 40

The length of a rectangle is twice its width.
If the perimeter of the rectangle is 48 ft, find its length and width.

Answers

Formula we use,

→ P = 2(L + W)

Then the value of L and W is,

→ P = 2(L + W)

→ 48 = 2(2x + x)

→ 2(3x) = 48

→ x = 48/6

→ [ x = 8 ]

Then the width will be,

→ W = x = 8 ft

Hence, the width is 8 ft.

Now the length will be,

→ L = 2x = 2(8) = 16 ft

Therefore, the length is 16 ft.

Evaluate the expression when m= -4
m2 +6m +9

Answers

Answer:

41

Step-by-step explanation:

because if m=-4 that means (-4)2+6(-4)+9=41

Q1. Elizabeth has a bunch of red, yellow and white roses.
She chooses a rose at random.
The probability that she chooses a yellow rose is 0.1
The probability that she chooses a white rose is 0.2
(a) What is the probability that Elizabeth chooses a rose that is either yellow or
white?
(b) What is the probability that Elizabeth chooses a red rose?
(c) There were ten roses in the bunch originally
How many roses were red?

Answers

Answer:

a) 0.02

b) 0.7

c) 7

Step-by-step explanation:

0.2 × 0.1

1 - (0.2 + 0.1)

10 - (2+1)

x^x = 2^2048
solve for x

Answers

x=256

[tex] {256}^{256} = ( { {2}^{8} })^{256} = {2}^{8 \times 256} = {2}^{2048} [/tex]

If ST = 5, TU = 2x, and SU = x + 9, what is SU? geometry

Answers

Answer:

Do like this:

Step-by-step explanation:

x+9=5+2x

and

2x-x=9-5

x=4

Which graph shows a function where f(2)=4?

Answers

Answer:

The correct option is 1.

Step-by-step explanation:

We have to find a function where f(2)=4. It means the value of function is 4 at x=2.

In graph 1, the value of function is 4 at x=2, therefore option 1 is correct.

In graph 2, the value of function is -4 at x=2, therefore option 2 is incorrect.

In graph 3, the value of function is not shown in the graph at x=2, therefore option 3 is incorrect.

In graph 4, the value of function is not shown in the graph at x=2, therefore option 4 is incorrect.

Thus, correct option is 1.

Check out the attached photo

Luis is helping to make tacos for a school fundraiser. He needs to buy tortillas. Happy Grocery sells small packs of 20 tortillas for $4.40 and large packs of 45 tortillas for $8.55. Luis has been given $48 to spend on tortillas. Fill in the blanks to complete the statements. Tortillas The unit price for the small pack is $ A per tortilla. The unit price for the large pack is $ B per tortilla.

Answers

Answer:

A. $0.22 per tortilla

B. $0.19 per tortilla

Step-by-step explanation:

A. All you gotta do is divide the money by the amount of product.

4.40 ÷ 20  = 0.22

B. All you gotta do is divide the money by the product.

8.55 ÷ 45 = 0.19

Therefore, the best pack to spend your money on would be the larger pack  B.

Using the scale found on the number line, how would the number 1 be best represented?
A 0/8. B 4/8. C 8/1. D 7/8. E 8/8
PLEASE I NEED HELP

Answers

Based on the given scale, the number, 1, on the number line would best be represented by the number A. 8/8.

What is the scale?

Based on the first number given which is 1/8, we know that the scale is such that the denominator would be 8.

The best way to write 1 would therefore be to express it in terms of a ratio with 8 being the denominator.

That would mean that 1 would be 8/8 which results in 1.

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Help please im stuck

Answers

Answer: 7.2 hours

Step-by-step explanation:

the interval for each number on the number line is 2.4 because 12 divide by 5 intervals = 2.4

and 2.4 x 3 = 7.2

First you need to find out how long it takes to cook a single kilogram of meat, by doing 12/5 you get 2.4 for one kilo of meat. Now you need to multiply 2.4 by 3 and you will get 7.2, so you can either put 7.2 hours or that converts to 7 hours and 12 minutes.

expressions that are equivalent to k/2
A: k-2
B: 2/k
C: 1/2 k
D: k/2
E: k+k

Answers

The correct option is D: k/2 is the expression that is equivalent to the expression, K/2.

What is defined as the equivalent expressions?Two equations are equivalent unless and until they produce the same result for all matching variable values. As a result, we can determine whether 2 expressions seem to be equivalent by putting in many distinct corresponding values of the variables to ensure that each expression returns the same value in every instance.If we enter matching variable values into two mathematical expressions and get a different result from each expression, the two expressions really not equivalent.

In response to the question;

We must determine the expression that is equivalent to k/2.

Among the options, Option D: k/2 is same as expression K/2.

Choice C, when written as (1/2)k, is equivalent to k/2 since they both imply half of k.

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I need help on question 1-6
Will be mark brainlist

Answers

Answer:Look

Step-by-step explanation: Look and solve its not that hard

Write the symbolic statement in words. Use p, q, r, s, t, and u as defined below.
p: The tour goes to Italy.
q: The tour goes to Spain.
r: We go to Venice.
s: We go to Florence.
t: The hotel fees are included.
u: The meals are not included.
r → ~s
We go to Florence and we do not go to Venice.
We go to Venice if and only if we do not go to Florence.
We go to Venice and we do not go to Florence.
If we do not go to Florence, then we will go to Venice.
If we go to Venice, then we will not go to Florence.

Answers

The definition of the symbolic statement r → ~s is:

If we go to Venice, then we will not go to Florence.

What is the definition of the given symbolic statement?

First, we have to look at the definition of the events.

Event r means that the person goes to Venice.Event s means that the person goes to Florence, hence event ~s means that the person does not go to Florence.The operation  → is a implication operation, hence a → b is: if a then b.

In this problem, the statement is:

If r then not s.


Considering events r and s, the correct option is:

If we go to Venice, then we will not go to Florence.

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