The semicircle below has diameter $20$. Find the area of the blue region.
Area of the blue region is 61 units²
Area of semi circlearea = π / 2 r²
Therefore,
r = radius
Area of the blue region = area of semi circle - area of triangle
Therefore,
area of triangle = 1/bh
where
b = base
h = height
Therefore,
area of triangle = 1 / 2 × 12 × 16 = 96 units²
area of semi circle = 3.14 × 10² / 2 = 157 units²
Area of the blue region = 157 - 96 = 61 unit²
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Which one is the even number:
116,318,162,230,180,155
Answer:
they are all even numbers except for 155
Step-by-step explanation:
Find the area-of the shaded region. help i have a test
Answer:
363/8π yd²
Step-by-step explanation:
The total area of the circle = πr²
the area of the shaded region = 135/360 × πr² = ⅜ πr² = ⅜ π × 11² = 363/8 π ≈ 136.125 yd²
please help!! will mark brainliest
What is the area of a circle whose radius is 54 feet?
The area is ___ ∏ ft²
Answer:
2916 pi ft
Step-by-step explanation:
Area of a circle: pi r ^2
54^2 = 2916
Hope this helps!
8
Allan's car uses 1 litre of fuel to travel 12 km. How much fuel will be needed to travel
420kmn?
Answer:
35 litres of fuel
Step-by-step explanation:
420 ÷ 12 = 35 litres
Answer:
35
Step-by-step explanation:
420km is needed
1L gives 12km
2L gives 24km
3L gives 36km
...
35L gives 420
PLZ HELP RN ILL MARK YOU BRAINLIST IF ITS RIGHT PLZZZ IM DESPERATE
Answer:
y = -14
Step-by-step explanation:
3y = -42
Divide both sides by 3:
y = -14
Answer:
-14
Step-by-step explanation:
-42 divided by 3 =-14
What is the constant of proportionality, y/x
Answer:
1/2
Step-by-step explanation:
Answer:
k = 0.5Step-by-step explanation:
Proportional relationship:
y = kx, where k- constant of proportionalityUsing point on the graph (1, 0.5) to find the value of k:
0.5 = k*10.5 = kk = 0.5A rectangle has an area of 16in^2 and a perimeter of 20 in. Find the dimension of the rectangle.
Answer:
8 in x 2 in
Step-by-step explanation:
8 x 2 = 16
8 + 8 + 2 + 2 = 20
What is one fifth of three halves?
0.30
10
5/3
66
Answer:
0.30
Step-by-step explanation:
(1/5) x (3/2) = 3/10 = 0.30
What is the area of this figure? Nearest tenth. Use 3.14 for pi if needed.
Question in picture
Answer:
"I hope your pillow is hot on both sides"
Step-by-step explanation:
"I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides""I hope your pillow is hot on both sides"
What is the equation for the line of symmetry in this figure?
Answer:
Step-by-step explanation:
Y-axis is the line of symmetry as it divides the figure into two equal parts
I will give you brainilest.
You might think that the angle between the hour and minute hand at 2:20 is 60 degrees, but it is not! The hour hand has moved beyond the 2. Calculate the angle between the clock hands at 2:20.
Answer:
70 degrees
Step-by-step explanation:
Moving from one hour number to the next (12 to 1, 3 to 4, etc) moves the hand of the clock 30 degrees. Using this, we know that the hour hand moved 60 degrees to get to the hour number 2. Then, the angle the hour hand moved because of the minute hand can be calculated by doing (20/60)*30=10. So the final answer would be 70 degrees.
Help me plz!!!! For number 17
Answer:
x=40
Step-by-step explanation:
x + 320 = 360
-320 -320
x = 40
Answer:
x=40
Step-by-step explanation:
So, since the figure has 4 sides, we know that the sum of the interior angles is 360. To check: (n-2)*180=(4-2)*180=28180=360.
That means x equals 360 minus the sum of the other three angles.
100+120+100=320
360-320=40
x=40 degrees
can someone help me simplify this?
Answer:
sinB
Step-by-step explanation:
Using trigonometric sum/difference rule -
we can expand the expression to
= (sinAcosB + cosAsinB)cosA - (cosAcosB - sinAsinB)sinA
= cosAsinAcosB + cos^2(A)sinB - sinAcosAcosB + sin^2(A)sinB
= cos^2(A)sinB + sin^2(A)sinB
= (cos^2(A) + sin^2(A))sinB, (Pythagorean identity)
= (1 * sinB)
= sinB
The perimeter of a football field in a certain school is 296m. If the breadth is 2/3 of the length, find the sides of the field
Answer: 88.8 m , 59.2 m
Step-by-step explanation:
Given
Breadth is [tex]\frac{2}{3}[/tex] of length
Suppose length is x m
So, breadth is [tex]\dfrac{2}{3}x[/tex]
Perimeter is given by [tex]P=2(L+W)[/tex]
Putting values
[tex]\Rightarrow 296=2(x+\dfrac{2}{3}x)\\\\\Rightarrow 296=2(\dfrac{5}{3}x)\\\\\Rightarrow x=\dfrac{296\times 3}{10}=88.8\ m[/tex]
Length L is [tex]88.8\ m[/tex]
width W is [tex]\frac{2}{3}x=59.2\ m[/tex]
HELP ME NOW PLEASE!!!!!!!!!!!!!!!!!!!
Which expression is equivalent to 6x + 8?
2(3x - 4)
2(3x + 4)
2(4x + 6)
2(3x + 8)
Answer:
2(3x+4)
Step-by-step explanation:
Multiply the 2 by the 3x to get 6x
Multiply the 2 by the 4 to get 8
Add 6x and 8
6x+8
Answer:
B. 2(3x+4) is correct
Step-by-step explanation:
2*3x= 6x and 2*4= 8 so you have all ur terms
plz help......................................................................
Answer:
2 pairs of parallel side: parallelograms
4 right angles: squares
4 right angles and 4 congruent sides: rectangles
4 congruent sides: rhombuses
Step-by-step explanation:
I think it’s 14? Is that right or no?
Answer:
Im pretty sure its 11 because if you look at 145 mark its at between 10 and 12, Hopefully that helps!
Step-by-step explanation:
For each sentence, write an equation.
Solve the equation to find the number.
a) A number divided by 6 is 9.
b) A number divided by -4 is -3.
c) A number divided by -5 is 7.
Find the cube roots of unity in standard form (a+bi). Use exact values.
Every non-zero complex number has three cube roots. In general, any non-integer exponent, like
1
3
here, gives rise to multiple values. The way we find them is by multiplying
z
by 1 before exponentiating. We write
1
using Euler's Identity to the
2
k
power for integer
k
. That's
1.draw a scatter plot that shows a positive, linear association and has one clear outlier. Circle the outlier
2.Draw a scatter plot that shows a negative association that is not linear.
PLS HURRY WILL GIVE BRAINLEST
Step-by-step explanation:
Here is the correct answer.See the pic
Ps:Can I be the brainliest.Thx
The grouping of data or sample points is a component of the machine learning process known as clustering.
What is Clustering?The task of arranging a set of objects into an identical group in a way that makes them more similar to one another than those found in different groups is known as cluster analysis or clustering.
here, we have,
A scatter plot is an unique type of plot or mathematical diagram that displays data for usually 2 parameters for a collection of data. It uses Cartesian coordinates.
Coordinates, it is a set or group of values that show an exact or accurate position.
Hence, The grouping of data or sample points is a component of the machine learning process known as clustering.
To learn more about Clustering, visit:
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Sorry to bother you but I am so bad at math plz help
Answer:
4
Step-by-step explanation:
Answer
C = 4
Step by Step
Divide both sides by the numeric factor on the left side, then solve.
c = 4
Without solving determine the number of real solutions for each quadratic equation
b^2-4b+3=0
2n^2 + 7 = -4n + 5
x - 3x^2 = 5+ 2x - x^2
Answer:
Complete the square to determine the number of solutions#1
b² -4b + 3 = 0b² - 4b + 4 = 1(b - 2)² = 1Two solutions#2
2n² + 7 = -4n + 52n² + 4n + 2 = 0n² + 2n + 1 = 0(n + 1)² = 0One solution#3
x - 3x² = 5 + 2x - x²3x² - x² + 2x - x + 5 = 02x² + x + 5 = 0x² + x² + 2*1/2x + 1/4 + 4 3/4 = 0x² + (x + 1/2)² + 4 3/4 = 0No solutionsAnswer:
b^2-4b+3=0
b²-3x-b+3=0
b(b-3)-1(b-3)=0
(b-3)(b-1)=0
either
b=3 or b=1
.
2n^2 + 7 = -4n + 5
2n²+4n+7-5=0
2n²+4n+2=0
2(n²+2n+1)=0
(n+1)²=0/2
:.n=-1
.
x - 3x^2 = 5+ 2x - x^2
0=5+ 2x - x^2-x +3x^2
0=5+x+2x²
2x²+x+5=0
comparing above equation with ax²+bx +c we get
a=2
b=1
c=5
x={-b±√(b²-4ac)}/2a ={-1±√(1²-4×2×5)}/2×1
={-1±√-39}/2
(WILL GIVE BRAINLIEST IF RIGHT PLEASE HELP 20 POINTS!!!)
What is the value of x?
Enter your answer in the box.
x = ?
Answer:
46
explanation:
its supposed to make up 180 so you will subtract 180 from 134 and thats your answer
Miss Lianto mowed 2/7 of her lawn. Her son mowed 1/4 of it. Who mowed most of the lawn? How much of the lawn still needs to be mowed?
HURRY AND BE CORRECT PLEASE!!!
Answer: 2/7 = 8/28
1/4 = 7/28
Therefore Mr Pham mowed more.
8+7 = 15 so 15/28 of lawn has been mowed, therefore 13/28 of the lawn is left still to be mowed.
Mr. Pham mowed more of the lawn than his son.
it still needs ¹³/₂₈ of the lawn to be mowed.
Step-by-step explanation:
Answer: 1/4 is greater than 2/7 mowed most of the lawn.
Step-by-step explanation:
First, draw a fraction model for [tex]\frac{2}{7}[/tex] and [tex]\frac{1}{4}[/tex] and partition it. Then, how ever many you get write it as a fraction. Then, see whose answer is greater.
Mia had $32. Then she started to receive $5 a week as an allowance. She plans to save all of her money for a bicycle and draws a graph of her planned savings. Mia lets x represent the number of weeks she has received her allowance, and y represent her total amount of money. Which of the following ordered pairs is on Mia's graph?
A. (2,64)
B. (1 ,32)
C. (4 , 52)
D.(6 , 30 )
Answer:
4,52
Step-by-step explanation:
32+5x=y
pls let me know is it was right
if it was pls give brainlest
Find the difference.
(9/4x + 6)-(-5/4x-24)
Answer:
9x/4 + 30 + 5x/4
Step-by-step explanation:
[tex]9x/4 +30 +5x/5[/tex]
The simplification of the expression (9/4x + 6) - (- 5/4x - 24) will be 3.5x + 30.
What is simplification?Making anything easier to accomplish or comprehend, as well as making it less difficult, is the definition of simplification.
The expression is given below.
⇒ (9/4x + 6) - (- 5/4x - 24)
Simplify the expression, then we have
⇒ (9/4x + 6) - (- 5/4x - 24)
⇒ (9/4)x + 6 + (5/4)x + 24
⇒ (14/4)x + 30
⇒ 3.5x + 30
The simplification of the expression (9/4x + 6) - (- 5/4x - 24) will be 3.5x + 30.
More about the simplification link is given below.
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Can the expression be factored
Answer:
Yes, the expression can be factored to give:
[tex]( {x}^{2} + 4)(x + 2)(x - 2).[/tex]
HELP PLZ ASAP PLZ HELP ME ITS DUE IN LIKE 7 MIN HELP ME
Answer:
ok the perimeter is 10 and the area 6
Step-by-step explanation:
Multiply
7x(x^2-x+2)
Answer:
7x^3-7x^2+14x
Step-by-step explanation: hope I helped