A roof has the shape of an isosceles triangle with equal sides 8 cm long and base 12 m long. What is the measure of the angle of inclination of the roof to the nearest degree?

Answers

Answer 1

Answer:

41 degrees to the nearest degree.

Step-by-step explanation:

A line drawn from the vertex and bisecting the base forms 2 right triangles.

The base of one right triangle = 1/2 * 12 = 6 m.

So cos A = adjacent side /hypotenuse   where A is the angle of inclination.

cos A=  6 / 8 = 0.75

m < A = 41.41 degrees.


Related Questions

HELP ME PLZ!!
What is the maximum number of Go Math textbooks that can fit in Tier 1 given the measurements of the textbook below? Your answer must have work on how you did it OR an explanation.

Answers

Answer:

Step-by-step explanation:

lets find the volume of a go math book

V=LWH

V=10.75*8.5*1

V=10.75*8.5

V=91.375 inches^3

the amount of Go Math books that can fit in tier 1 is

(tier 1's volume)/91.375

then , round to the smallest whole number

(how many whole books you can fit in

I don't know tier 1's dimensions or volume, so I can't tel how many books exactly.

Solve the equation using the Quadratic Formula: (Hint: You may select
more than one answer choice here) *

x2 – 5x + 6 = 0

Answers

Answer:

x = 3,2

Step-by-step explanation:

Solve the equation for x by finding a, b, and c of the quadratic then applying the quadratic formula.

please mark brainly

Answer:

x = [tex]\frac{1}{2}[/tex]

Step-by-step explanation:

First we have to distinguish the whole numbers from the numbers with variables.

2x and 5x are numbers with variables, 6 and 0 are whole numbers.

Then we can seperate them on different sides of the equal sign.

To do this, we have to subtract 6 on the left side and add it to the right side.

Now our equation will be 2x - 5x = -6.

Now we can simplify this.

Starting on the left side, 2x - 5x equals to -3x.

The right side can not be simplified.

So, our equation will now be -3x = -6.

Now we can divide both sides together.

The easiest way to do this is by turning the equation into a fraction.

So it will be [tex]\frac{-3}{-6}[/tex].

Both equal signs cancel out, so the answer will be [tex]\frac{1}{2}[/tex].

Hope this helped :)

Which set of data could have been used to create the stem-and-leaf plot shown below?
64, 79, 95, 83, 81, 90, 67, 86, 91, 84, 81, 69, 83, 92

6.4.7.9. 9.5, 8.3, 8.1, 9.0.6.7.8.6, 9.1, 8.4, 8.1,6.9, 8.3, 9.2

63,79,95, 83, 81, 90, 67, 86, 91, 84, 81, 69, 83, 92

6.3.7.9. 9.5, 8.3, 8.1, 9.0, 6.7.8.6, 9.1, 8.4, 8.1, 6.9. 8.3, 9.2

Answers

so I think the the answer C or 3

Human:

✧・゚: *✧・゚:*  Answer:  *:・゚✧*:・゚✧

✅ D.) 6.3.7.9. 9.5, 8.3, 8.1, 9.0, 6.7.8.6, 9.1, 8.4, 8.1, 6.9. 8.3, 9.2

I WOULD APPRECIATE BRAINLIEST!

~ ₕₒₚₑ ₜₕᵢₛ ₕₑₗₚₛ! :₎ ♡

~

what is the volume of a prism with a height of 4 feet and a base area of 9 square feet?

Answers

Answer:

36 units³

Step-by-step explanation:

To find the volume of a prism, you must multiply the base times the height. 4×9=36.

20. Carmen can buy bottles of paint for $2.00 each and boxes of colored pencils for $3.50 each. She can spend no more than
$42 on art supplies.
a. Write an inequality that shows how many bottles of paint, x, and boxes of colored pencils, y, Carmen can buy.
b. Name three different solutions to the inequality.

Answers

Answer:

  (5, 8), (7, 1), (15, 3)

Step-by-step explanation:

a) The variables are defined in the problem statement. The total expenditure must satisfy ...

  2.00x +3.50y ≤ 42.00

b) Possible solutions include ...

 (x, y) ∈ {(5, 8), (7, 1), (15, 3)}

__

These were chosen by looking at the attached graph of the equation.

Simplify. 12x^4y^5+8x^3y^7-16x^2y^6 over 4xy^5

Answers

Answer:

3x^3+2x^2y^2-4xy

Step-by-step explanation:

You should Photomath really good for math problems

Point (–1, –3) is mapped onto ________ when rotated 180° counterclockwise about the origin. Question 9 options: A) (3, –1) B) (1, –3) C) (–1, 3) D) (1, 3)

Answers

Answer:

D (1,3)

Step-by-step explanation:

(x,y) → (-x, -y)

Mapping rule for 180-degree

1. Multiply the x-coordinate by -1

2. Multiply the y-coordinate by -1

3. Simplify

What is the area of the composite figure?
(6pi+4) cm
O(6pi+16) cm
0 (12pi +4) cm
0 (12pi+16) cm
2 cm

Answers

Answer: [tex]6\pi +4[/tex]

Step-by-step explanation:

The normal formula for area of a circle is [tex]\pi r^2[/tex] so remember it. Itll be important for the rest of your life. Now this isnt a normal circle, this is a semi circle. So, you should divide by 2.

Three Semi-Circles:

We are given the radius which is 2 cm. [tex]\frac{\pi2^2 }{2} =2\pi[/tex]

Now we gotta multiply that answer by 3 because there are three semi circles.

[tex](2\pi )(3)=6\pi[/tex]

Area of a Square:

This is simple, do [tex]s^2[/tex] to get 4

1 GEOMETRY - 1206310)

. An angle expression in an equilateral triangle is 3x + 12. What is the value of X?

Answers

Answer:

16

Step-by-step explanation:

The angle in an equilateral triangle is given as:

3x + 12

The angle is an equilateral triangle is 60°. Therefore:

3x + 12 = 60

=> 3x = 60 - 12 = 48

x = 48 / 3 = 16

x is 16

4 - (-3) simplify the expression

Answers

Answer:

7

Step-by-step explanation:

4-(-3)=4+3 (negative times negative is positive)

4+3=7

Hope that helps!

i think it’s 7 because that’s what somebody else said

a certain Forest covers an area of 2000 square kilometers. Suppose that each year this area, decreases by 6%. What is the equation that best represents the area of the forest each year?

Answers

The answer is .06x * 2000, then you would subtract the number that results from this equation from the 2000 to get the area of the forest each year.

For example:

Let’s suppose that it is 3 years from the initial decrease. Let’s plug this into the equation.

.06(3) * 2000 = 360

Then you would take that 360 and subtract it from the 2000 to get the total area that is left

2000 - 360 = 1640 square km

Hope this helps!

Please answer the question stated below

Answers

Answer:

76.58 feet.

Step-by-step explanation:

A yard is 3 feet. Change each value to feet. So then we have 2 pieces of rope that are each 48 feet in length, 1 piece of rope that is 4.17 feet in length, and 1 piece of rope that is 123.25 feet in length. Add these all together. 223.42 is what you get. Subtract this from 300. You get 76.58.

Answer:

132.25 feet

Step-by-step explanation:

total rope they have now= (2x16)+(1x12.5)+(1x123.25)= 167.75

additional rope needed= 300-167.75= 132.25

Step-by-step explanation:

A probability experiment consists of rolling a fair 16 sided die. Find the probability of the event below, rolling a 12

Answers

Answer:

1/6

Step-by-step explanation:

I think that is the answer if not sorry, have a nice day!

Pls pick me as brainliest!

Evaluate 5 ÷ 4/6 Give your answer as a mixed number in its simplest form.

Answers

Answer:

7 1/2

Step-by-step explanation:

5 ÷ 4/6 = 5 ÷ 2/3 = 5 × 3/2= 15/2= 7 1/2

Find the value of x using properties of parallel lines. answers: A) 1 B) 8 C) 5 D) 3.5

Answers

Answer:

1

Step-by-step explanation:

Answer:

B. x=8

Step-by-step explanation:

The 2 angles are consecutive interior angles, and therefore they are supplementary. This means that they add to 180 degrees.

(12x+8)+(8x+12)=180

Combine like terms. Add all the terms with a variable, then the terms without a variable.

(12x+8x)+(8+12)=180

20x+20=180

Now, solve for x by isolating x. Perform the inverse operation to both sides.

20 is being added to 20x. The inverse of addition is subtraction. Subtract 20 from both sides.

20x+20=180-20

20x=180-20

20x=160

x is being multiplied by 20. The inverse of multiplication is division. Divide both sides by 20.

20x/20=160/20

x=160/20

x=8

x is equal to 8, and B is the correct answer.

Grace is comparing cell phone plans. A prepaid phone plan costs $0.20 per minute and has no monthly fee. A contracted phone plan costs $50 per month and $0.02 per minute. How will the graphs of the monthy costs of the two cell phone plans compare where x represents minutes purchased in a month? The prepaid phone plan will have a steeper line and lower y-intercept. The contracted phone plan will have the same steepness and a higher y-intercept. The prepaid phone plan will have a less steep line and the same y-intercept. The contracted phone plan will have a steeper line and same y-intercept.

Answers

Answer: A; The prepaid phone plan will have a steeper line and lower y-intercept.

"The prepaid phone plan, whose cost is $0.20 per minute, will means the usage increases as time increases means that this will have a steeper line and lower y-intercept since it has no monthly fee, Contracted phone plan, whose fee is still $0.02 would have a less steep line and a higher y-intercept because the plan requires monthly fee of $50."

Hope this helps

-Carrie

Please mark brainliest :)

A. The prepaid phone plan will have a steeper line and lower y-intercept.

What are given here ?

Grace is comparing plans of cell phone.

A prepaid phone plan costs $0.20 per minute and has no monthly fee.

A contracted phone plan costs $50 per month and $0.20 per minute

What will be the type of graph ?

Time increases as usage of the prepaid phone increases, which cost $0.20 per minute. So, the line will be steeper. There is no monthly plan in prepaid phone, so lower y-intercept seen in the graph.

The cost of contracted phone is $0.20 per minute, so the line is less steeper. Again, contracted phone has monthly plan of $50 per month, so the y intercept will be higher.

Learn more about graph here :

https://brainly.com/question/14323743

#SPJ2

Write an equation to represent the total cost for a certain number of cans. Use “c” for cost and “n” for number of cans.

Answers

Answer:

C = 1.25n

Step-by-step explanation:

From the given table,

There is a common difference of $1.25 in every successive term to the previous term of the total cost,

Difference in the costs of 2 cans and 1 can = $2.50 - $1.25 = $1.25

Similarly, Difference in the costs of 3 cans and 2 cans = $3.75 - $2.50 = $1.25

Total cost of the cans are forming an Arithmetic sequence, explicit formula the sequence will be,

[tex]T_n=a+(n-1)d[/tex]

    = 1.25 + (n -1)(1.25)

Or, C = 1.25 + 1.25n - 1.25

     C = 1.25n

Which statements are symmetric reflexive or transitive

Answers

Answer: 1st is reflexive

Step-by-step explanation:

What is the solution to the system of equations?
2x - y = 7
y = 2x + 3

• (2, 3)
• (2.7)
• no solution
• infinite number of solutions

Answers

Answer:

no solution

Step-by-step explanation:

2x-y=7. value of y=2x+3

(insert the value of y in the first equation)

2x-(2x+3)=7

2x-2x=7-3

(2x-2x is non-existent thus the equation ends there)

Answer:

No Solution is the answer

Step-by-step explanation:

There is no way to solve this

help me please i need it !

Answers

Answer:

A

Step-by-step explanation:

There is 2 of the same number on the Y

D would be the right answer

Pls, help! I really need it! THANKS!! I'm giving 15 points + BRAINLIEST

THANK YOU NOW PLS HELP ME

Answers

Answer:

k= 112

Step-by-step explanation:

12y = 7z

y= 7z/12

_________

3x =8y

3x= 8× 7z/12

3×=56z/12

36x=56z

x=56z/36

_________

zk=72x

zk= 72 ×(56z/36)

k= (72×56)/36

k=112

Kim is 4/5 as old as Alan. In four years, she will be 5/6 as old as he will be. How old is each now?

(Please show all your work, with statements)

Answers

Answer: Kim is 16 and Alan is 20

Kim => x

Alan => y

Kim is 4/5 as old as Alan  =>  [tex]x=\frac{4}{5}y[/tex]

In four years, she will be 5/6 as old as he will be => [tex]x+4=\frac{5}{6}(y+4)[/tex]

Solving the system we obtain x=16 and y=20

The side length of a square patio is 2.59 meters. Which is the best estimate for the perimeter of the patio, in meters?

Answers

Hey there! I'm happy to help!

The perimeter is all of the sides of a shape added up.

Since all of the sides on a square are the same and we know one side, we just multiply it by four.

2.59(4)=10.36

Therefore, the patio is about 10.56 meters.

I hope that this helps! :D

Answer:

The best estimate is 10. Trust me, I did this assessment too.

Step-by-step explanation:

2.59 x 4 = 10.36. So it's 10.

What is the solution to the inequality 8(7 - x) < 64?
a. X<-1
b. x<1
C. X > -1
d. x > 1​

Answers

Answer:

C)  x > - 1

Step-by-step explanation:

8(7 - x) < 64

56 - 8x < 64

56 - 64 < 8x

- 8 < 8x

- 1 < x

x > - 1

Answer:

The answer is c, or x > -1.

Step-by-step explanation:

Problem: 8(7-x) < 64

Distributive Property - So multiply 8 by both 7 and x individually

56 - 8x < 64

Subtract 56 from both sides

-8x<8

Divide both sides by 8 and flip the sign because whenever you divide or multiply an inequality by a negative number, you flip the sign.

x>-1

Hope that helped!

Verify sin^4 x - sin^2 x = cos^4 x - cos^2 x is an identity

Answers

Answer:

(identity has been verified)

Step-by-step explanation:

Verify the following identity:

sin(x)^4 - sin(x)^2 = cos(x)^4 - cos(x)^2

sin(x)^2 = 1 - cos(x)^2:

sin(x)^4 - 1 - cos(x)^2 = ^?cos(x)^4 - cos(x)^2

-(1 - cos(x)^2) = cos(x)^2 - 1:

cos(x)^2 - 1 + sin(x)^4 = ^?cos(x)^4 - cos(x)^2

sin(x)^4 = (sin(x)^2)^2 = (1 - cos(x)^2)^2:

-1 + cos(x)^2 + (1 - cos(x)^2)^2 = ^?cos(x)^4 - cos(x)^2

(1 - cos(x)^2)^2 = 1 - 2 cos(x)^2 + cos(x)^4:

-1 + cos(x)^2 + 1 - 2 cos(x)^2 + cos(x)^4 = ^?cos(x)^4 - cos(x)^2

-1 + cos(x)^2 + 1 - 2 cos(x)^2 + cos(x)^4 = cos(x)^4 - cos(x)^2:

cos(x)^4 - cos(x)^2 = ^?cos(x)^4 - cos(x)^2

The left hand side and right hand side are identical:

Answer:  (identity has been verified)

Which represents "The shape is a rhombus if and only if the diagonals are perpendicular and the sides are congruent"?​

Answers

Answer:

True

Step-by-step explanation:

Answer:

Step-by-step explanation:

Which of the following represents a 1.00 M (M = mol/dm3) aqueous solution of glucose (C6H12O6)?

A. 180 g glucose per 1000 cm3 solution

B. 10.0 g glucose per 10.0 cm3 water

C. 90.0 g glucose per 500 cm3 water

D. 0.100 g glucose per cm3 solution

Answers

Answer:

Option C. 90.0 g glucose per 500 cm3 water

Step-by-step explanation:

1.00 M (mol/dm3) aqueous solution of glucose (C6H12O6) means that 1 mole of glucose is dissolved in 1dm³ (1000cm³) of water.

The concentration of a substance is defined as the mole of solute per unit volume of solvent (water) in dm³.

Option A is wrong since it state: 180g of C6H12O6 per 1000cm³ of solution. Concentration is always expressed as per 1000cm³ or dm³ of water.

For option B:

We shall determine the number of mole of C6H12O6, followed by the concentration.

This is illustrated below:

Molar mass of C6H12O6 = (12x6) + (12x1) + (16x6) = 180g/mol

Mass of C6H12O6 = 10g

Mole = Mass /Molar Mass

Mole of C6H12O6 = 10/180 = 0.056 mole.

Volume of water = 10cm³ = 10/1000 = 0.01dm³

Concentration = mole /Volume

Concentration = 0.056/0.01 = 5.6mol/dm³

Option B is wrong

For option C:

We shall determine the number of mole of C6H12O6, followed by the concentration.

This is illustrated below:

Molar mass of C6H12O6 = 180g/mol

Mass of C6H12O6 = 90g

Mole = Mass /Molar Mass

Mole of C6H12O6 = 90/180 = 0.5mole

Volume of water = 10cm³ = 500/1000 = 0.5dm³

Concentration = mole /Volume

Concentration = 0.5/0.5 = 1mol/dm³

Option C is correct.

For option D is wrong as well as it states 0.1g of C6H12O6 per cm³ of solution. Concentration is always per 1000cm³ or dm³ of water.

From the above illustrations, option C is the correct answer.

The Perfect square numbers between 100 and 200 are ____
Pls help.

Answers

Step-by-step explanation:

The perfect square numbers between 100 and 200 are :

10^2 =100

11^2 =121

12^2 =144

13^2 =169

14^2 =196

plz plz plz i really need this will mark biranleast


Triangle ABC is to be reflected across line m to create triangle A'B'C'.


Which best describes the location of B'?



4 units to the right of line m.


4 units to the left of line m.


8 units to the right of line m.


8 units to the left of line m.

Answers

Answer:

8 units to the right of line m

Step-by-step explanation:

when reflecting over a line, u count how many units is the pre-image away from the line in order to creat your image.

Answer:

4 units to the left of line m

Step-by-step explanation:

that's how I'm seeing it

i cant get the symbold so i had to do it like this :)​

Answers

Answer:

b

Step-by-step explanation:

it’s answer b

9 is bigger than x
Other Questions
What is the rising action of the story Cinderella? Solve for x.6108xEnter your answer as an inequality. Comets travel in orbits around the Sun. Some comets take less than 200 years to orbit the Sun. They are called short-period comets. Short-period comets are thought to originate in the Kuiper Belt, which is a belt of icy objects just beyond the orbit of the planet . The dwarf planet is located in this belt. What motivates Hally to insult Sam and spit in his face? He does not like Sam meddling in his family matters. He wants more respect from Sam and Willie. He is distressed upon hearing of his fathers return home. He is angry that Sam and Willie are acting like children. Find the volume of the specified cone. Use 3.14 for Pi, and round your answer to the nearest whole number. Diameter = 5 cm, Height = 9 cm a. 59 cu. cm b. 25 cu. cm c. 38 cu. cm d. 19 cu. cm State a condition required for a substitution reaction to occur what part of the brain helps you see and think In the graph shown, which two budget areas make upabout two-thirds of Charlottesville, Virginia'sexpenditures?O Contributions to schools and Public safety andjusticeHealth and Public safety and justiceO Infrastructure and transportation and Contributionsto schoolsO Other and Health TRUE OR FALSE PLZ HELPThe Crimean War change life in Russia by putting the nation in control of strategic trade routes. T/F European competition for colonies created countries without regard for traditional ethnic groupings in Africa. T/F The Opium War affected China by forcing China to accept unfavorable trade terms with Western nations. T/F Read the excerpt from The odyssey He saw the SunlandsSunlandsand leamed the minds of many distant menand weathered many bitter nights and daysin his deep heart at sea while he fought onlyto save his life to bring his shipmates homeBut not by will nor valor could he save themfor their own recklessness destroyed them allchildren and fools they killed and feasted onthe cattle of Lord Helios the Sunand he who moves all day through heaventook from their eyes the daun of their retumOf these adventures Muse daughter of Zeustell us in our time, the great song againWhat can be learned about the ancient Greeks from this excerpt? Check all that apply Under normal operating conditions, the electric motor exerts a torque of 2.8 kN-m.on shaft AB. Knowing that each shaft is solid, determine the maximum shearing stress in a) shaft AB b) shaft BC c) shaft CD (25 points) Given that the torque at B Gravel is being dumped from a conveyor belt at a rate of 15 ft3/min, and its coarseness is such that it forms a pile in the shape of a cone whose base diameter and height are always equal. How fast is the height of the pile increasing when the pile is 12 ft high? (Round your answer to two decimal places.) PLEASE HELPCompare the number of x intercepts of f(x)=x^2 and g(x)= (x-4)^2. Tell me the transformations involved and how g(x) moves from the parent graph. 30 POINTS!!!!!Which of the following expressions has a value that is less than - 1/2 ? Select all that apply.A + B0 - EB + DE - FC - A Which of the following did Romantic poetry, music, and art have in common? Which event most likely led to the concerns expressed in this 1881 cartoon?A. The granting of citizenship to American IndiansB. The sovereignty granted to tribes on reservationsC. The ongoing raids on white settlers in the WestD. The Indian Appropriation Acts what does BC equal ? F(x) = x^2, g(x) = 2/3 x^2 comparison Who opened a settlement house in Chicago to assist the urban poor? Diferentiate between natural and capital resources