state if polygons are similar

Answer:

See step by step

Step-by-step explanation:

The student found the cosine of angle A not the sine. Sine is Opposite/Hypotenuse. This student found Adjacent/Hypotenuse. The correct answer is Sin A= 12/13.

i cant understand your question define briefly

Answer:

Hello

I think this is the answer: 3n+ n or 4n

And for fourth is 16 and fifth is 20

Step-by-step explanation:

Calculi is the plural of calculus. It alludes to the study of mathematics and how it can be used to address issues with change, motion, and other ideas.

The plural of calculus is calculi. Calculus is the study of mathematics and how to use it to solve problems involving change, motion, and other concepts. Calculi is the plural form of calculus. Mathematicians who study calculus focus on the study of change and motion. It makes it possible for us to compute solutions to problems involving rates of change, area, and volume. Calculus is the technique of solving problems by dividing them into smaller, more manageable components. This entails examining the issue, dissecting it into smaller parts, and then applying mathematical ideas and operations to each piece individually. Problems involving derivatives, integrals, and limits are solved using calculus.

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h = 11.9 cm

cos = adjacent/ hypotenuse

therefore:

cos(24) = h/ 13

rearrange:

h = 13cos(24)

put into calculator:

h = 11.8760...

rounded to one decimal point:

h = 11.9cm

Number of hours taken by Mike and Sabrina to wash a car when they work together is equal to (6/ 5) hours .

As given in the question,

Number of hours taken by Mike to wash a car = 3 hours

Work done by Mike in 1 hour = 1/3

Number of hours taken by Sabrina to wash a car = 2 hours

Work done by Sabrina in 1 hour = 1/2

Amount of work done by Mike and Sabrina together in 1 hour

= (1/3) + (1/2)

= ( 2 + 3 ) / 6

= 5/6

Now,

1 work done by Mike and Sabrina together = 6/5 hours

Therefore, number of hours taken them together to wash a car is

(6/5) hours.

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Answer: 13. 30

Step-by-step explanation:

13. Area = 18x * 10y = 180xy

Length = 6th

With ?

180xy = 6xy x width

180 x/6xy

Width = 30

14. 3^(9-5)= 3^4 = 81 the truck weighs 81 times as the driver

3^5

Answer: 1.8 L/h

Step-by-step explanation:

To convert the rate of water dripping from a tap from millilitres per second (ml/sec) to litres per hour (L/h), we need to use conversion factors.

Step 1:

First, let's convert the rate from millilitres per second to litres per second.

There are 1000 millilitres in a litre, so we can divide the rate in millilitres per second by 1000 to get the rate in litres per second:

\(\LARGE \boxed{\textsf{0.5 ml/sec $\div$ 1000 = 0.0005 L/sec}}\)

Step 2:

We can convert the rate from litres per second to litres per hour. There are 3600 seconds in an hour, so we can multiply the rate in litres per second by 3600 to get the rate in litres per hour:

\(\LARGE \boxed{\textsf{0.0005 L/sec $\times$ 3600 = 1.8 L/h}}\)

Therefore, the rate of water dripping from the tap is 1.8 L/h.

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A set of reflections that would carry hexagon ABCDEF onto itself would be "x-axis, y=x, x-axis" or "y=x, x-axis, y-axis".

What is a combination of reflections?

Combination of Two Reflections. A point or object once reflected can further be reflected to form a new image. The axes of these reflections may be parallel to each other or they intersect each other at a point.

Given the coordinates of hexagon ABCDEF, it can be determined that a set of reflections that would carry the hexagon onto itself would be a combination of reflections over the x-axis and y-axis.

One possibility would be to reflect over the x-axis, then reflect over the y=x line, and finally reflect over the x-axis again.

This would take the hexagon from its original position to itself.

Another possibility would be to reflect over the y = x line, then reflect over the x-axis, and finally reflect over the y-axis.

This would also take the hexagon from its original position to itself.

Hence, a set of reflections that would carry hexagon ABCDEF onto itself would be "x-axis, y=x, x-axis" or "y=x, x-axis, y-axis".

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The values of x in both figures are 45 and 34, respectively.

Start by calculating the angle CAB using:

CAB + ABC + BCA = 180 --- angles in a triangle

The triangle is an isosceles triangle.

So, we have:

CAB + ABC + CAB = 180

Evaluate

2CAB + 25 + 75 = 180

This gives

CAB = 40

Calculate angle BEA using:

BEA + CAB + ABE = 180 --- angles in a triangle

This gives

BEA + 40 + 25 = 180

Evaluate

BEA = 115

Vertical angles are equal.

So, we have:

CED = BEA = 115

Calculate angle EDC using:

EDC + CED + DCE = 180 --- angles in a triangle

This gives

EDC + 115 + 30 = 180

Evaluate

EDC = 35

Opposite angles of quadrilaterals add up to 180.

So, we have:

x + EDC + ABC = 180

This gives

x + 35 + 25 + 75 = 180

Evaluate

x = 45

Hence, the value of x is 45

Start by calculating the angle DEC using:

DEC + CDE + EED = 180 --- angles in a triangle

This gives

DEC + 18 + 30 = 180

Evaluate

DEC  = 132

Vertical angles are equal.

So, we have:

AEB = DEC = 112

Calculate angle EAB using:

EAB + AEB + ABE = 180 --- angles in a triangle

This gives

EAB + 112 + 42  = 180

Evaluate

EAB  = 26

Triangle ABC is an isosceles triangle.

So, we have:

BCE = EAB  = 26

Calculate angle CBE using:

CBE + BCE + CEB = 180 --- angles in a triangle

Where CEB = 180 - DEC --- angle on a straight line

So, we have:

CBE + BCE + 180 - DEC = 180

This gives

CBE + 26 + 180 - 112 = 180

Evaluate

CBE  = 86

Opposite angles of quadrilaterals add up to 180.

So, we have:

x + EDC + ABC = 180

This gives

x + 18 + 42 + 86 = 180

Evaluate

x = 34

Hence, the value of x is 34

Note that the figures are labeled to ease explanation (see attachment)

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The histogram that represents a set of data that is left-skewed is the one where the majority of the data is on the right side of the histogram, and the tail of the histogram extends to the left.

A left-skewed histogram is also called a negatively skewed histogram. In a left-skewed distribution, the majority of the data values are on the right side of the histogram, and the tail of the histogram extends to the left. This means that the data is clustered around higher values and gradually decreases as the values become smaller.

For example, imagine a dataset that represents the ages of a group of people. If most of the people in the group are young adults, but there are a few older individuals, the histogram would be left-skewed because the tail of the histogram (representing the older individuals) would extend to the left.

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To show that powertm is undecidable, we will reduce the acceptance problem of an arbitrary Turing machine to powertm.

Let M be an arbitrary Turing machine and let w be a string. We construct a new Turing machine N as follows:

N starts by computing the binary representation of |w|.

N then simulates M on w.

If M accepts w, N generates a sequence of |w| 1's and halts. Otherwise, N generates a sequence of |w| 0's and halts.

Now, we claim that N is in powertm if and only if M accepts w.

If M accepts w, then the length of the binary representation of |w| is a power of 2. Moreover, since M halts on input w, the sequence generated by N will consist of |w| 1's. Therefore, N is in powertm.

If M does not accept w, then the length of the binary representation of |w| is not a power of 2. Moreover, since M does not halt on input w, the sequence generated by N will consist of |w| 0's. Therefore, N is not in powertm.

Therefore, we have reduced the acceptance problem of an arbitrary Turing machine to powertm. Since the acceptance problem is undecidable, powertm must also be undecidable.

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Answer:

V = k / W^2

7 = k / 64

k = 448

V = 448 / 12^2 = 448/144 = 3.11

Answer:

C, A, C

Step-by-step explanation:

1) Angle D corresponds to angle A, so since corresponding angles of similar triangles are congruent, it measures 64 degrees.

2) Angle E corresponds to angle B. To find the measure of angle B, we can start by using the fact that angles F and C correspond. This means that in triangle ABC, we have angles with measures of 64 degrees, 73 degrees, and angle B. It follows that angle B, and thus angle E, measures 43 degrees.

3) By the exterior angle theorem, the measure of angle G is equal to the measure of angles D and F combined. The measure of angle D is 64 degrees, and the measure of angle F is 73 degrees, so angle G measures 137 degrees.

Step-by-step explanation:

I would belive it's C

have a great day

Answer:

D!

ITS ON MAH QUIZ

IM DOIN IT RN ✨

Step-by-step explanation:

ANSWER

The Fundamental Theorem of Algebra states that when we work.There are 1 zero in f(x) = 3x4 + x + 2 .

According to the fundamental theorem of algebra, the equation \(f(x) = 3x^4+x+2\) has 4 solutions.

Given equation;

\(f(x) = 3x^4+x+2\)

Fundamental theorem of algebra:

The following is another way to phrase the theorem: Every non-zero, single-variable, degree n polynomial with complex coefficients has precisely 'n' complex roots, counted with multiplicity. Using repeated polynomial division, it can be shown that the two claims are equivalent.

A (single-variable) polynomial's number of solutions is equal to its highest exponent, or the polynomial's "degree," according to the fundamental theorem of algebra.

So, there are four solutions because this polynomial is of the fourth degree.

The algebraic fundamental theorem states that there are four solutions to the equation \(f(x) = 3x^4+x+2\) .

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The worth of expression at x = - 5 and y = - 2 is,

⇒ 1/3

A numerical expression is characterized as the assortment of numbers factors and works by utilizing operations like expansion, deduction, multiplication, and division.

Considering that;

The expression is,

⇒ ([x/(y - 1)](- 4) - [xy + (- 3)]/(- 1)

Presently, We can place x and y in the above expression as;

⇒ ([x/(y - 1)](- 4) - [xy + (- 3)]/(- 1)

⇒ [- 5/(- 2 - 1) ] (- 4) - [-5×-2 + (- 3)]/(- 1)

⇒ [ - 5/ - 3 ] (- 4) - [10 - 3]/(- 1)

⇒ - 20/3 + 7

⇒ 1/3

In this way, The worth of expression at x = - 5 and y = - 2 is,

⇒ 1/3

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Note that if x1 = x2 = x3 = 0, then the constraint is satisfied regardless of the values of x4 and x5.

a. The constraint for choosing no fewer than three projects can be written as:

x1 + x2 + x3 + x4 + x5 ≥ 3

b. The constraint for selecting project 4, if project 3 is chosen, can be written as:

x3 ≤ x4

Note that if x3 = 0, then the constraint is satisfied regardless of the value of x4.

c. The constraint for not selecting Project 5 if Project 1 is chosen can be written as:

x1 + x5 ≤ 1

Note that if x1 = 0, then the constraint is satisfied regardless of the value of x5.

d. The constraint for staying within the budget can be written as:

100x1 + 200x2 + 150x3 + 75x4 + 300x5 ≤ 450

e. The constraint for selecting no more than two of projects 1, 2, and 3 can be written as:

x1 + x2 + x3 ≤ 2

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Answer:

1/π²

Step-by-step explanation:

On multiplying π² by its inverse value, you get the answer to be 1, which has no decimal points.

Answer:

π² × 1/π² = 1

Step-by-step explanation:

Given equation,

→ π² × ___ = ?

Let's keep the missing term as y, and product as 1 (a number with no decimal).

→ π² × y = 1

Then the answer will be,

→ π² × y = 1

→ [ y = 1/π² ]

Verification of the value of y,

→ π² × y = 1

→ π² × (1/π²) = 1

→ [ 1 = 1 ]

→ LHS = RHS

Hence, 1/π² is the missing term that ends up with a number with no decimal.

Answer:

There are many choices, but one answer is 2 3.1/5 and 2 3.2/5.

Step-by-step explanation:

These are equivalent to 2 6.2/10 and 2 6.4/10 which is between both.

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Therefore, the total cost of the pens that were returned is 200 Dhs.

To find the total cost of the pens that were returned, we need to multiply the number of defective pens by the cost of each pen.

The stationary store ordered 500 pens, and out of those, 40 pens were defective. Therefore, the number of pens that were returned is 40.

Now, we can calculate the total cost of the returned pens. The cost of each pen is Dhs. 5. Thus, we multiply the cost per pen by the number of pens returned:

Total cost = Cost per pen × Number of pens returned

= 5 Dhs. × 40 pens

= 200 Dhs.

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Answer:

1464

Step-by-step explanation:

Answer:

1104 points

Step-by-step explanation:

50 points for 30 correct moves is 1500 points

2 minutes and 12 seconds is equal to 132 seconds

at 132*-3 for each second is -396

1500-396 =1104 points

You should invest $22,627.84 if you want to receive payments of $3,000 at the end of each year for 10 years, with the first payment 3 years from now, if the money is compounded at 5% annually.

To solve this problem, we can use the present value formula for an ordinary annuity: PV = PMT * [1 - (1 + r)^-n] / r

Where:

PV = present value

PMT = periodic payment

r = interest rate

n = number of payments

In this case, we have:

PV = unknown

PMT = $3,000

r = 5%

n = 10 years (first payment in 3 years, so there are 10 payments after that)

Plugging these values into the formula,

we get:

PV = $3,000 * [1 - (1 + 0.05)^-10] / 0.05

PV = $22,627.84

Therefore, you should invest $22,627.84 if you want to receive payments of $3,000 at the end of each year for 10 years, with the first payment 3 years from now, if the money is compounded at 5% annually.

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The period of the function is 1.57 s.

The amplitude of the function is 6.

The equation of the midline, y = 6 sin 4x + 0.

The general form of a sinusoidal function is y = A sin(Bx - C) + D,

where:

For the given function y = 6 sin 4x, we can see that:

A = 6 (the amplitude is the absolute value of the coefficient of the sine function)

B = 4 (the coefficient of x inside the sine function determines the period)

C = 0 (there is no horizontal shift)

D = 0 (there is no vertical shift, so the midline is the x-axis)

Therefore, the period T is given by:

T = 2π/B = 2π/4 = π/2 = 1.57 s

The midline is the x-axis, so its equation is y = 0.

The amplitude is A = 6.

Therefore, we can write the equation of the function in the general form as:

y = 6 sin 4x + 0

or

y = 6 sin(4x)

Note that since the midline is the x-axis and there is no vertical shift, the sine function will oscillate between -6 and 6.

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Answer:

4320.43

Step-by-step explanation:

You need to figure out the Pythagorean Theorem and then use that answer to find the area. You will then get 4320.43.

Hope this helps.

Answer:

4320.43

Step-by-step explanation:

Answer:

Step-by-step explanation:

ans is 7

Answer:

Step-by-step explanation: