A tangent-tangent angle intercepts two arcs that measure 135 degrees and 225 degrees. What is the measure of the tangent tangent angle?

Answers

Answer 1
Answer:

Answer:

M=45 degrees

Step-by-step explanation:

It is given that A tangent-tangent angle intercepts two arcs that measure 135 degrees and 225 degrees, thus in this the vertex lies outside, therefore

The measure of the tangent tangent angle is the half of the difference of the two given arc, that is

M=(1)/(2)(225-135)

M=(90)/(2)

M=45 degrees

Therefore, The measure of the tangent tangent angle is 45 degrees.

Answer 2
Answer: 225-130/2=45degree..

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The diameter of a bicycle wheel is 2 feet.About how many revolutions does the wheel make to travel 2 kilometers?Explain.Hint 1 km =3280ft.

Answers

We can work out the circumference of the wheel by using the equation

C = πd

C = π × 2
C = 6.28318530718
C = 6 feet

If 1km is 3280 feet, 2km is 6560 feet

6560 
÷ 6 = 1093.33333333 (recurring)
= 1093

Therefore the bike wheels rolls (approximately) 1093 times to cover 2km.

Solve the inequality 2x - 3 < x + 2 ≤ 3x + 5.

Answers

Hello,

1) 2x-3<x+2 ==>x<5

2) x+2<=3x+5==>-2x<=3==>x>=-3/2


Thus : -3/2<=x<3

What is (7/12)/(5/9)? In simplest form..

Answers

(7)/(12) / (5)/(9) =

Change the division to multiplication through the reciprocal of the number being divided. 

(7)/(5) * (9)/(5) =  (21)/(20)

As mixed number:

1 (1)/(20)
7/12 times 5/9 equals 35/108. It is automatically in simplest form.

Help me solve the problem

Answers

{(1, 3), (2, 4), (3, 5), (4, 6), (5, 7)}

y = x + 2
the answer is 2. y=1x+2.

(hope this helps)

True or false An invalid statistical test measure may have questions that are misinterpreted.

Answers

Answer: True.


Step-by-step explanation:  The motive of all statistical tests is to check whether all the variables or unknown quantities we are using in the test are independent of each other or are related among themselves.

Also, when we write an article, we should always check whether the statistical test we are using is suitable for the type of data concerned or not.

Furthermore, if a statistical test come out to be invalid, then it may be possible that there are some questions that are misinterpreted.

Thus, the answer is true.

True. An invalid statistical test measure may have questions that are misinterpreted.

The equatorial diameter of a model of earth is 25.6 cm. What is the total surface area of the model​

Answers

Answer:

2059.7\,\,cm^2

Step-by-step explanation:

Diameter of a model of earth (D) = 25.6 cm

Radius of a model of earth (r) = (D)/(2)=(25.6)/(2)=12.8\,\,cm

Earth has the shape of a sphere.

Total surface area of a sphere = 4\pi r^2

Put \pi=(22)/(7)\,,\,r=12.8\,\,cm

So,

Total surface area of the model =4((22)/(7))(12.8)^2=2059.7\,\,cm^2