Find the area of the red region.
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Answers
Answer:
11.59 cm²
Step-by-step explanation:
area of entire circle:
A = (3.14)(9.28²) = 270.41 cm²
area of 68.9° segment:
(68.9/360)(270.41) = 51.75 cm²
area of triangle:
the triangle is equilateral so both the corners opposite 68.9° are equal so they are = (180 - 68.9)/2 = 55.55° each.
1/2 the base will be:
cos 55.55 = b/9.28
b = 5.25, full base =10.5 cm
sin 55.55 = height/9.28
height = 7.65 cm
A = 1/2(10.5)(7.65) = 40.16 cm²
area of chorded section = 51.75 - 40.16 = 11.59 cm²
Related Questions
if x+3y upon 5x+4y= 1/3 find the ratio of x:y ANSWER FASTTT
Answers
Answer:
x : y = 5 : 2
Step-by-step explanation:
Given
[tex]\frac{x+3y}{5x+4y}[/tex] = [tex]\frac{1}{3}[/tex] ( cross- multiply )
5x + 4y = 3(x + 3y)
5x + 4y = 3x + 9y ( subtract 3x from both sides )
2x + 4y = 9y ( subtract 4y from both sides )
2x = 5y ( divide both sides by 2 )
x = [tex]\frac{5}{2}[/tex] y ( divide both sides by y )
[tex]\frac{x}{y}[/tex] = [tex]\frac{5}{2}[/tex] , that is
x : y = 5 : 2
Answer:
x/y = 5/2
Step-by-step explanation:
hello :
(x+3y) /( 5x+4y)= 1/3 means : 5x+4y = 3(x+3y)
5x+4y = 3x+9y
5x-3x = 9y - 4y
2x = 5y
now divid by y : 2x/y = 5y/y
2x/y = 5 so : x/y = 5/2
What is 2, 3, 4?????????
Answers
Answer:
2 = 51 degrees
3 = 51 degrees
4 = 51 degrees
not that sure
Step-by-step explanation:
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If AAED is dilated to points A, C, and B, which statement is true?
A)
AAED - AACB
B)
AAED AACB
The area of AAED is half the area of AACB
D)
The perimeter of AAED is one-fourth the area of AACB
Answers
Answer:
A
Explanation:
Calculate the length of each side, and add.
AD is the long leg, and AE is the short leg
So we know the basic info. Use to solve.
Hope this helped, and please mark as Brainliest <3
Please answer correctly! I will mark you as Brainliest
Answers
Answer:
33,333 ft^3
Step-by-step explanation:
A pyramids volume can be defined by V=lwh/3. We know the base is 1000 ft^2, so we multiply that by an additional 100 for the height. We then have 100,000 ft^3. After that, we simply divide it by three, which is 33,333.3 repeating, and round it to 33,333 ft^3
Find the missing side
5
1.3
6.2
8.2
Answers
Answer:
I think it is 1.3
Step-by-step explanation:
d) What fraction is equal to 50% of 1/4
Answers
Answer:
1/8
Step-by-step explanation:
50% of 1/4 = 1/8
hope this helps!
Answer:
1/8
Step-by-step explanation:
find the equation of the line passing through points (6,-3) and (-2,3)
Answers
What is the scale factor of the dilation of ABCD centered at the origin?
Answers
Answer:
The anwser is -1/2
Step-by-step explanation:
A trick i personally learned is that is you are shrinking then it will turn up as a fraction, but make sure that fraction is not an improper fraction and if the dialation does get bigger it will be a whole number or improper fraction.
Basim used a trailer to haul dirt. The trailer is in the shape of a rectangular prism. The interior of the trailer has a length of 8 feet, a width of 4 feet, and a height of 2 feet. What is the total number of cubic feet of dirt that the trailer can hold when it is filled so that the dirt is level with the top?
Answers
Answer:
64 cubic feet
Step-by-step explanation:
The Volume of a rectangular prism = Length × Width × Height
Hence,
length = 8 feet
width = 4 feet
height = 2 feet.
Volume of the rectangular prism =
8 feet × 4 feet × 2 feet
= 64 cubic feet
The total number of cubic feet of dirt that the trailer can hold when it is filled so that the dirt is level with the top is 64 cubic feet of dirt
Plzzz tell ans but not for points okkkkay if u ans for points i will report
plz telllllll
Answers
Answer:
Given
ΔABC with ∠A = 90°ΔADC with ∠D = 90°The two triangles share same angle ∠CWith two same angles the triangles are similar according to AA similarity postulate:
ΔABC ~ ΔDACAs we know if triangles are similar then their corresponding sides have same ratio:
AC/CD = BC/AC ⇒ AC*AC = BC*CD ⇒ AC² = BC*CDWrite an inequality to model the solutions shown on the number line below.
Answers
Answer:
X > 6
Step-by-step explanation:
Given the points A(4,6) and B(8, −2), what is the length of segment AB in units?
F √5
G 2√5
H 4√5
J 4
Answers
Answer:
Hi! The answer to your question is H. [tex]4\sqrt{5}[/tex]
Step-by-step explanation:
[tex]Y1 = 6[/tex]
[tex]Y2 = -2[/tex]
[tex]X1 = 4[/tex]
[tex]X2 = 8[/tex]
[tex]AB = \sqrt{(x2-x1)^2+(y2-y1)^2}[/tex]
[tex]AB = \sqrt{(8-4)^2+(-2-6)^2}[/tex]
[tex]AB =\sqrt{(4)^2+(-8)^2}[/tex]
[tex]AB = \sqrt{16+64}[/tex]
[tex]AB = 4\sqrt{5}[/tex]
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M {-5,2} and N {5,2} are the endpoints of the segment MN on the coordinate plane what is the length of MN?
Answers
Answer:
Length MN = 10 unit
Step-by-step explanation:
Given: M {-5,2} and N {5,2} are the endpoints of the segment MN.
Length of line segment having co-ordinates as
[tex](x_1, y_1) and (x_2, y_2)[/tex]
is calculated as
[tex]D =\sqrt{(x_2-x_1)^2+(y_2-y_1)^2}[/tex]
So plugging the values in above equation we get
[tex]D =\sqrt{(5+5)^2+(2-2)^2}[/tex]
D = 10 unit
Therefore, Length MN = 10 unit
Which of these sets of ordered pairs satisfies an exponential equation? (1) {(1, -1), (2, -8), (3, -27), (4, -64)} (2) {(1, -1), (2, -4), (3, -9), (4, -16)} (3) {(1, -2), (3, -8), (5, -32), (7, -128)} (4) {(1, -2), (3, 2), (5, 6), (7, 10)}
Answers
Answer:
(4, -16)(3, -8)
Step-by-step explanation:
Can someone please please help me
I’ll give Brainiest
Answers
Answer:
2500 alone, 150 tax, 2650 total
Step-by-step explanation:
Please mark brainliest!
What is an equation of the line that passes through the point (-1,-3) and is parallel to the line 4x-y=2
Its not y=4x+11 that was incorrect
Answers
Answer:
y=4x+1
Step-by-step explanation:
1. 4x-y=2
-y=-4x+2 divide both sides by -1
y=4x-2
2. y-y1=m(x-x1)
y-(-3)=4(x-(-1))
y+3=4x+4
y=4x+4-3
y=4x+1
Parallel lines have the same, so the equation we are making should have the slope of 4.
(9&10: find the value of x & each arc measure) will mark brainliest thanks
Answers
Answer:
11:...31.84 ft.
12....19.02 m.
13....68.90 in.
14....37.33 cm
Step-by-step explanation:
The value of x for 9 will be 36.75° and for 10 will be 9°
CircleThe total sum of all the angle of circle will be 360°.
How to find the value of x?The sum of the all angles is 360°.
Solution 9
360- 61-34 +29 = 8x
x=36.15°
Solution 10
360 - 90 +9 = 31x
x = 9°
Learn more about the angle here https://brainly.com/question/25716982
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What is the value of x in the equation 4-3x+5x=12
Answers
Permutations acellus How many ways can 4 books be arranged on a shelf if there are 8 books to chose from? Note: nPr = n! —— (n-r)!
Answers
Answer:
1680 ways
Step-by-step explanation:
From the question,
nPr = n!/(n-r)!.................. Equation 1
Where, n = Total number of books to chose from, r = number of books to be arranged in the shelf.
Given: n = 8 books, r = 4 books.
Substitute into equation 1
8P4 = 8!/(8-4)!
8P4 = 8!/4!
8P4 = (8×7×6×5×4!)/4!
8P4 = 1680 ways.
Hence the number of ways 4 books can be arranged in a shelf if there are 8 books to chose from is 1680 ways
If a line contains the points in the tablet below, which is the equation of the line
Answers
What is the function notation for A(2,-5) B(5,-2) C(4,3)
Answers
Answer:
b?
Step-by-step explanation:
if I'm wrong sorry I'm just answering questions even if I dont 100% know
Where is the coefficient in 5/7+c
Answers
Answer:
coefficient is 1 because 5/7 is the constant, which c is the varible, but there is no coefficient, which is automatically 1
Tell whether -2 is a solution of the intequality. 8-2x<12
(The answear is yes but i need the work too
Answers
Answer:
add 8 to 2 and then multiply the 8 with 12.
Step-by-step explanation:
Fill in the missing numbers.
__+-3.5=7.25
-3/4-__=1/2
-2 3/8-(-4 2/3) = __
Answers
Answer:
10.75
-5/4
2 7/24
Step-by-step explanation:
1.)
__+-3.5=7.25
Let missing number = x
x - 3.5 = 7.25
x = 7.25 +3.5
x = 10.75
2.)
-3/4-__=1/2
Let missing number = x
-3/4 - x = 1/2
-3/4 - 1/2 = x
(-3 - 2) / 4 = x
-5/4 = x
3.)
-2 3/8-(-4 2/3) = x
-2 3/8 + 4 2/3 = x
-19/8 + 14/3 = x
(-57 + 112) / 24 = x
55 / 24 = x
2 7/24
Which expression is equivalent to 6( 8n) - 8?
Answers
Answer:
48n-48
Step-by-step explanation:
I dont know the options but you just multiply
6 times 8n is 48n
6 times -8 is -48
Answer: 48-6n-8
Step-by-step explanation: So basically u multiply 6x8n which is 48 then all u do is leave the 8 and boom.
Jensen recorded the daily average temperature (in degrees Fahrenheit) at his home over two weeks' time. His results are shown below. 48, 56, 63, 67, 58, 60, 63, 72, 69, 59, 63, 68, 73, 64. What was the range of the temperatures? __________ degrees Fahrenheit
Answers
Answer:25
Step-by-step explanation:
73-48=25
To get your answer take the highest number and subtract it from the lowest number
A solid metal rectangular pyramid has a base that measures 16 cm by 25 cm The Solid is melted and recast into a solid cavare pyramid of the same height. Find the length of the side of the base of the square pyramid.
Answers
PWEASE HELP, AREA OF A TRAPEZOID
Answers
Answer:
34 m²
Step-by-step explanation:
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Water Cycle Diagram
Label the diagram using the following tags: precipitation, sun, evaporation, clouds, condensation, water
Answers
Answer: #4 = precipitation
#3 = evaporation
#2 clouds
#1= sun
#5= water
Step-by-step explanation:
Answer:
1: sun
2: clouds
3: Evaporation
4: Precipitation
5: Water
Step-by-step explanation:
51 is approximately equal to
A
7
B
5.1
с
6
D
60
Answers
Answer:
5.1 for my answerStep-by-step explanation:
because is not equal