Answers
Step-by-step explanation:
The aswer is x = 3
Answer:
Solution given;
8x-20+8x+8=180°[pair of straight line is supplementary]
16x-12=180°
16x=180+12
x=192/16
x=12 is a required answer.
Related Questions
1. A 10-foot long ladder leans against a vertical wall such that its base is 4 feet
from the bottom of the wall. Determine, to the nearest tenth of a foot, how high,
h, the ladder reaches up the wall.
Answers
Answer:
9.2
Step-by-step explanation:
follow the equation for the hypotenuse of a right triangle.
a^2+b^2=c^2
4^2+b^2=10^2
16+b^2=100
b^2=100-16
b^2=84
b=9.2
Answer:
The answer is 9.2. Hope this helps.
Question 4
In order to ensure that the roof consists of right angles, an architect measures the diagonal to create a triangle. If the dimensions of the
triangle are 9.5 feet, 16 feet, and 18.5 feet, is the triangle a right triangle?
Answers
Answer:I have a question
Step-by-step explanation:
About that question is it a right triangle or no
The triangles with side lengths 9.5 feet , 16 feet and 18.5 feet is an acute triangle
What is a Triangle?A triangle is a plane figure or polygon with three sides and three angles.
A Triangle has three vertices and the sum of the interior angles add up to 180°
Let the Triangle be ΔABC , such that
∠A + ∠B + ∠C = 180°
The area of the triangle = ( 1/2 ) x Length x Base
For a right angle triangle
From the Pythagoras Theorem , The hypotenuse² = base² + height²
if a² + b² = c² , it is a right triangle
if a² + b² < c² , it is an obtuse triangle
if a² + b² > c² , it is an acute triangle
Given data ,
Let the triangle be represented as ΔABC
Now , the height of the triangle is AB = 16 feet
The base of the triangle is BC = 9.5 feet
The hypotenuse of the triangle is AC = 18.5 feet
And , for a triangle , if a² + b² > c² , it is an acute triangle
Substituting the values in the equation , we get
( 9.5 )² + ( 16 )² > ( 18.5 )²
90.25 + 256 > 342.25
346.25 > 342.25
Hence , the triangle is an acute triangle
To learn more about triangles click :
https://brainly.com/question/16739377
#SPJ2
If the factors of quadratic equation are (x+4) and (x-9), what are the x-intercepts?
A. (-4,0) and (9,0)
B. (-9,0) and (-4,0)
C. (4,0) and (9,0)
D. (-9,0) and (4,0)
Answers
Answer:
The answer is A. (-4,0) and (9,0)
Step-by-step explanation:
I took the test and got it right.
True or false? In order to find the diagonal inside a rectangular prism, you need to use the Pythagorean Theorem two different times
Answers
Answer:
The 2D Pythagorean theorem can be applied twice to calculate the longest diagonal inside a rectangular prism.
Step-by-step explanation:
PLS HELP (they are not the same question)
Answers
Our products and services can vary by state, based on local laws and regulations. Please select your state to get the most accurate information about the products and services we offer near you.
Answer:6 48
Step-by-step explanation:
6 is for the first one, 48 for the second question
WILL MARK BRAINLIEST ANSWER!!!!!
4. Find the measure of angle x.
5. Find the measure of angle x.
Answers
write a linear function from the table.
Answers
Answer:
It would be A.
Step-by-step explanation:
Because, 5 x 0 is 0, 5 x 1 is 5, 5 x 2 is 10, and so on. Its really just counting in 10s.
find the product of (x+2y)^2
Answers
Answer:
x^2 + 4xy + 4y^2
Step-by-step explanation:
hope this helps
Answer:
x² + 4xy + 4y²
Step-by-step explanation:
(x + 2y)²
= (x + 2y)(x + 2y)
Each term in the second factor is multiplied by each term in the first factor, that is
x(x + 2y) + 2y(x + 2y) ← distribute parenthesis
= x² + 2xy + 2xy + 4y² ← collect like terms
= x² + 4xy + 4y²
Veronica bought a house. Her property taxes are $2080 per year and she also needs to
pay $800 per year for homeowner's insurance. What is the monthly amount she needs
to budget to her monthly mortgage payment?
Answers
$240/month for mortgage and insurance
2080 for mortgage / 12 months = $173.33
$2080 + $800 = $2880
2880/12 = 240
PLEASE HELP WILL MARK BRAINLY NO LINKS ONLY GET ONE AWNSER FOR ME SO NO LINKS OR FUNNY STUFF
Answers
Answer: I believe it's 6 5/8
Step-by-step explanation:
2. Factor the quadratic expression completely: 3x2 - 4x + 21
a. (3x + 7)(x + 3)
b. (x-7)(3x – 3)
c. (x - 3)(3x - 7)
d. cannot be factored
Answers
A rectangle is placed around a semicircle as shown below. The width of the rectangle is 9 mm. Find the area of the shaded region. Use the value 3.14 for a, and do not round your answer. Be sure to include the correct unit in your answer.
PLEASE HELP
Answers
Answer:
Step-by-step explanation:
So since 9 is your radius because this is half a circle you want to use the equation piR^2 which is pi9^2, by solving this equation you end up with 254.34, which is the area of the semi-circle, now you need to find the area of the box but to solve this you would need the length and width and multiply them together to get the area of the box then subtract that by the area of the semi-circle and you get the shaded region
Answer this question to get marked as brainliest!!!!
Answers
Answer:
8
Step-by-step explanation:
anything raised to the power of 1 is itself
Find the solutions to the equation bellow
x2-9=0
Check all that apply
Answers
Answer:
D and E hope that helps
Step-by-step explanation:
I'm not 100% about it though
50 decreased by ??? is 40
options are
60% 80%
19% 40%
Answers
Answer:
19%
Step-by-step explanation:
40/50 = x/100
solve for x
x is equal to 20%
but out of the answer choices it's 19%.
Answer: 19%
Step-by-step explanation:
50, percentage decreased by 60% (percent) of its value = 20
50, percentage decreased by 80% (percent) of its value = 10
50, percentage decreased by 19% (percent) of its value = 40.5
50, percentage decreased by 40% (percent) of its value = 30
Hence, the answer is 19%
What is the sale price of an item that is 10% off 14.50
Answers
Answer:
The final answer is 13.05
Step-by-step explanation:
14.50 x 0.9 = 13.05
Can I have brainliest? It would help me out, if not thanks anyways! Hope this helped and have a nice day!
Answer:
13.05
Step-by-step explanation:
What is the square root of 200 in a whole
Plz answer
Answers
Answer:
The square root of 200 can be simplified as 10√2.
Step-by-step explanation:
hope i helped
Answer:
10[tex]\sqrt{2}[/tex]
Step-by-step explanation:
[tex]\sqrt{2^{3} * 5^{2} }[/tex]
[tex]\sqrt{2^{2} *2*5^{2} }[/tex]
[tex]2\sqrt{2}\sqrt{5^{2} }[/tex]
[tex]2\sqrt{2} *5[/tex]
10[tex]\sqrt{2}[/tex]
I hope you can see the question, but please help me!?!
Answers
Answer:
the third one
Step-by-step explanation: tell me if im wrong so i can fix it and your welcome if its right
Answer:
B.
Step-by-step explanation:
The second one
16) Jenna is responsible for changing the broken light bulb in a streetlamp. The streetlamp is 14 feet high. Jenna places the base of her ladder 3 feet from the base of the streetlamp. Jenna can extend the ladder from 10 feet to 14 feet. How long must her ladder be to reach the top of the streetlamp? Will her ladder work?
Answers
Use the Pythagorean theorem:
Height is 14, base is 3, so we can calculate the length required.
Length = sqrt(14^2 + 3^2)
Length = sqrt( 196 + 9)
Length = sqrt(205)
Length = 14.32 feet.
The ladder needs to be 14.32 feet. The longest her ladder can be is 14 feet so her ladder won’t work.
Answer:
14.32 is ur awnser
Step-by-step explanation:
Find the missing side of this right triangle.
Answers
Rearrange this to c^2 - b^2 = a^2
giving you 5^2 - 3^2 = A^2
in which 16 = a^2
and to solve for just a, square root both sides to give you a final answer of a = 4
Answer:
4,-4
Step-by-step explanation:
let f(x) = 1/x-3 and g(x) = the square root of x+5. What is the domain of (f o g) (x)
Answers
Answer:
the second one
Step-by-step explanation:
Option B is correct. the required domain of the function will be expressed as [-5, 3) U (3, ∞)
The domain of a function is the input function for which a function exists.
Given the functions
f(x) = 1/x-3
g(x) = √x+5
Get the composite function (f o g) (x)
(f o g) (x) = f(g(x))
f(g(x)) = f( √x+5)
[tex]f(g(x)) =\frac{1}{\sqrt{x+5}-3 }[/tex]
According to the function gotten, we can see that the domain of the fucntion will exist for all values of x except at x = 4. The function tends to infinity at x = 4. Hence the required domain of the function will be expressed as [-5, 3) U (3, ∞)
Learn more here: https://brainly.com/question/10564333
90[120-10+30*(72/920)]
Answers
Answer:
Step-by-step explanation:
10111 7 /23
The answer is :
10111.3043478I looked it up on the calculator. I hope this helps you! :)
HELP PLZ PLZ PLZ
During the day, 25 trains pulled into the subway station. Of those trains, 14 were full.
Over the next 10 hours, 400 trains will pull into the subway station. Using the earlier
information, predict how many will be full.
correct answers only
Answers
Answer:
224 Trains
Step-by-step explanation:
Im unsure if this is correct but I'll explain how i got the answer.
14/24 trains were full before, and so only 56% of trains were full.
Now we have 400 trains, and assuming that the 400 trains will also be 56% full, you multiply 400 and the decimal form of 56%
400x.56= 224
CAN SOMEONE HELP LIKE RIGHT NOW!!!!!
Answers
Answer:
30 + 25 + (4x + 25) = 180
55 + (4x + 25) = 180
-55 -55
4x + 25 = 125
-25 -25
4x = 100
Divide by 4 on both sides
X = 25
Now we just replace the x with 25
4 x 25 = 100, 100 + 25 = 125 degrees is the missing angle of y
The floor of a rectangular cage has a length 4 feet greater than its width, w. James
will increase both dimensions of the floor by 2 feet. Which equation represents the
new area, N, of the floor of the cage?
Answers
Answer:
x² + 8x + 12
Step-by-step explanation:
Area of a rectangle = length × width
Original dimensions:
Width = x
Length = x + 4
James will increase both dimensions of the floor by 2 feet
New dimensions:
Width = x + 2
Length = x + 4 + 2
= x + 6
Area of the new rectangle = length × width
= (x + 2) × (x + 6)
= x² + 6x + 2x + 12
= x² + 8x + 12
Equation which represents the
new area, N, of the floor of the cage = x² + 8x + 12
Mike surveyed 4 newly hired police officers at the police station. Is this a random sample of the police officers at the police station?
Answers
Answer:
No
Step-by-step explanation:
This is not a random sample, because Mike only surveyed newly hired police officers.
A random sample would include a mix of different, randomly chosen police officers.
This sample only includes newly hired police officers, so it is not random.
trig please help, thanks
Answers
Answer:
63.5°
Step-by-step explanation:
sin x = 17/19
arcsin (17/19) = 63.5°
Round your answer to the nearest hundredth 4.) A basketball is passed through the air. The height h of the ball in feet after the distance d In teet the ball travels horizontally is given by h= - + 124 + 6. How tar horizontally from the player passing the ball will the ball land on the ground? I
Answers
Answer:
10.48 feet
Step-by-step explanation:
Whoever guesses my favorite color first gets brainliest
Answers
Answer:
purple :0
Step-by-step explanation:
How much glass is needed to construct a hexagonal (6-sided) fish tank? The tank is
4 feet tall and each pane is 11 feet wide. The tank's bottom is not made of glass.
Answers
Answer:
Each side of the hexagon is a rectangle of height 4ft and width 11ft.
The area of each one of these rectangles is:
A = 4ft*11ft = 44ft^2
And a hexagon has 6 faces, so the fish tank will have 6 of these rectangles, then the total area is:
area = 6*44ft^2 = 264 ft^2
We know that the base of the hexagon is not made of glass, but we do not know if the top is made of glass or not.
In the case that the top is not made of glass, the amount of glass needed is 264 ft^2
If the top is made of glass, then we need to add the area of a hexagon of side 11 ft, which is:
a = (3*√3)*(11ft)^2/2 = 314.4ft^2
Then the total area in this case is:
264 ft^2 + 314.4ft^2 = 578.4 ft^2
This is the total amount of glass needed to construct the tank if the top of the tank is made of glass.