8a The following three shapes are based only on squares, semi circles, and quarter circles. find the perimeter and the area of each shaded parts. Give your answers as completely simplified exact value in terms of pi (no approximations). I NEED THE ANSWER NOW, FIND AREA.
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Answer:
Step-by-step explanation:
The area is 32[tex]\pi[/tex]-64cm^2
if you look at it, ADC makes a quarter circle and so does ABC, so:
area of a circle:[tex]\pi[/tex]r^2 so
then since it’s a quarter circle, divide by 4 which gives you 16[tex]\pi[/tex]
and since there are 2 quarter circles 16[tex]\pi[/tex](2) gives you 32
then you find the area of the square: 8(8) gives you 64 so to find shaded area subtract 64 from 32[tex]\pi[/tex] and that’s the answer
Related Questions
Find the volume of the prism . Can u also state formula as well please
Answers
Answer:
840cm^3
Step-by-step explanation:
[12*15-(12-8)*(15-5)]*6
=[180-40]*6
=140*6
=840cm^3
i got the same answer as the guy above just did it a different way
it in the pic sorry about the prisms i’m not good with 3D
ayo i need help plz it would be rlly helpful
Answers
Answer:
Step-by-step explanation:
Combine like terms
6) -4f - 9 -f + 15 = -4f - f -9 +15
= -5f + 6
7) 1.5g - 10 + 6.5g - 3 = 1.5g + 6.5g - 10 - 3
= 8.0g -13
= 8g - 13
8)
[tex]\frac{1}{2}h + 2h + \frac{3}{2}h - 1 = \frac{1}{2}h+\frac{3}{2}h+2h - 1\\[/tex]
[tex]= \frac{1+3}{2}h + 2h -1\\\\= \frac{4}{2}h + 2h -1\\\\= 2h + 2h -1 \\\\= 4h - 1[/tex]
9) 4.2j + 6.7j - 5j - 5 = 10.9j - 5j - 5
= 5.9j - 5
Write an inequality for this situation:
You are driving, and the maximum speed limit is 55.
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Answer:
I go over 5 so I can go faster
Step-by-step explanation:
Find the missing angle measurements for each problem below and drag the answers into the correct blanks.
Answers
Step-by-step explanation:
4)180-57.8=123.3
5)180-116.4=64.6
Solve the equation. 5t^3 +40t^2 = -80t
a. t= 0 and t= 4
b. t= -4 and t=0
c. t= -4 and t= 5
d. t= 4
Answers
Answer:
Option 'A' is true.
Step-by-step explanation:
Given the equation
[tex]5t^3\:+40t^2\:=\:-80t[/tex]
Add 80 to both sides
[tex]5t^3+40t^2+80t=-80t+80t[/tex]
Simplify
[tex]5t^3+40t^2+80t=0[/tex]
as 5t³ + 40t² + 80t = 5t (t + 4)²
5t (t + 4)² = 0
Using the zero factor principle
if ab=0, then a=0 or b=0 (or both a=0 and b=0)
[tex]t=0[/tex] or [tex]t+4=0[/tex]
solving
[tex]t + 4 = 0[/tex]
subtract 4 from both sides
[tex]t+4-4=0-4[/tex]
Simplify
[tex]t=-4[/tex]
Therefore, the solution to the equation is:
[tex]t=0,\:t=-4[/tex]
Hence, option 'A' is true.
an
5. A train travelled 720 km in 9 h. How far
would it travel in 11 h?
Answers
Answer:
The train would travel 880 km in 11 hours.
Step-by-step explanation:
Answer:
880 km
Step-by-step explanation:
To get from 9 to 11, we multiply 9 by 11/9, so the same must be done to 720 km to get the amount in 11 hours. 720 * 11/9 is equal to 880, so the train travels 880 km in 11 hours.
The equatorial diameter of a model of earth is 25.6 cm. What is the total surface area of the model
Answers
Answer:
[tex]2059.7\,\,cm^2[/tex]
Step-by-step explanation:
Diameter of a model of earth (D) = 25.6 cm
Radius of a model of earth (r) = [tex]\frac{D}{2}=\frac{25.6}{2}=12.8\,\,cm[/tex]
Earth has the shape of a sphere.
Total surface area of a sphere = [tex]4\pi r^2[/tex]
Put [tex]\pi=\frac{22}{7}\,,\,r=12.8\,\,cm[/tex]
So,
Total surface area of the model [tex]=4(\frac{22}{7})(12.8)^2=2059.7\,\,cm^2[/tex]
In 1990, the value of a home is $170,000. Since then, its value has increased 5% per year.
What is the approximate value of the home in the year 1993?
Answers
Answer:
195.500
Step-by-step explanation:
5 percent of 170,000 is 8,500.
Since 3 years pass we're multiplying 8,500 by 3.
8,500
x 3
_____
25,500
Now we just add 170,000 + 25,500, and we get 195.500.
Hope I at least somewhat helped, and if I didn't, at least I tried.
Help me plzzzzz I’ll mark Brainly!!!!
Answers
Answer:
ASA
Step-by-step explanation:
Answer:
B
Step-by-step explanation:
factored 6x2 – 31x - 30
Answers
Answer:
942
Step-by-step explanation:
I used the clculater
Write two numbers that multiply to the value on top and add to the value on bottom.
-90
27
Answers
Answer:
30 and -3
Step-by-step explanation:
Name the property shown by each statement.
- 2p+ (3ą +2) - (2p + 39) +2
Oa. Associative Property of Addition
Ob. Commutative Property of Addition
Oc. Associative Property of Multiplication
Od. Commutative Property of Multiplication
Answers
Answer:
b
Step-by-step explanation:
Which event has a probability of 0?
A. Flipping heads on a coin
And rolling a 4 on a 6 sided number cube
B. Rolling an odd, then an even number on a 6-sided number cube
C. Drawing two vowels (without replacing them) from the word MATH
D. Flipping tails on a coin 3 times in a row
Answers
Answer:
C
Step-by-step explanation:
There is only one vowel in the word MATH so it's impossible to draw two vowels without replacing them
a pizza costs $11 and $1.50 per topping write a equation for cost in dollars and the nunber of toppings
Answers
Answer:
y= 11 + 1.50x. (y is the price, x is number of toppings)
Step-by-step explanation:
Which point represents the largest club that meets in the smallest space?
Answers
Answer:
Point J
Step-by-step explanation:
a
Answer:
The correct answer is point J and another answer is 8 hours
The number of donuts a bakery makes has a proportional relationship with the number of muffins of it makes what is the constant of proportionality that relates the number of donuts ,y, to the number of muffins, x,
Answers
Answer: j 1.5
Step-by-step explanation:
Answer:
Step-by-step explanation:
J
(-4 – 3n). -8
pls help
Answers
Miles has a train collection with 36 engines, 72 boxcars, and 18 cabooses. He wants to arrange the train cars in equal rows with only one type of train car in each row. How many can he put in each row? Mark 4 that apply.
Answers
Answer:
Kindly check explanation
Step-by-step explanation:
Given that:
Number of engines = 36
Number of car boxes = 72
Number of cabooses = 18
To areange in equal rows :
We need to obtain the greatest common factor :
Factors of :
36 : 2, 3, 4, 6, 9, 12, 18, 36
18 : 2, 3, 6, 9, 18
72 : 2, 3, 4, 6, 8, 9, 12, 18, 24, 36, 72
The greatest common factor (GCF) is 18
Number that can be put in each row :
Cabooses :
18 / GCF = 18 / 18 1 row
Engines :
36 / GCF = 36 /18 = 2 rows
Box cars :
72 / GCF = 72 / 18 = 4 rows
Line / is a straight line.
Answers
Answer:
the first and last one
Step-by-step explanation:
Find the solution of the system of equations.
−3x+8y=11
−3x−5y= −41
Answers
Answer:
Step-by-step explanation:
Subtract the equations. We get
13y = 52
y=4
SUBSTITUTE y in 1st equation and find x
-3x+8(4) =11
-3x = 11-32
-3x = -21
x=7
defdis[pkhssaybhbnhj cx890iok,l
Answers
Step-by-step explanation:
3
Describe the likelihood of an event as impossible, unlikely, equally likely, likely or certain. 21) There is a 0% chance of picking a 13 in a deck of cards. _________________ 22) There is a 50% chance of picking a red card in a deck of cards. _______________ 23) There is an 80% chance of snow tomorrow. _________________ 24) There is a 20% chance of rain tomorrow. _________________
Answers
Answer:
21) There is a 0% chance of picking a 13 in a deck of cards. Impossible.
If there is a 0% chance that something will happen then it is impossible.
22) There is a 50% chance of picking a red card in a deck of cards. Equally likely.
If there is a 50% chance that something will happen, it is equally likely that it will happen.
23) There is an 80% chance of snow tomorrow. Likely or certain.
If there is an 80% chance of something happening, it means that the chances of that thing happening good and the event is likely to occur.
24) There is a 20% chance of rain tomorrow. Unlikely.
A low chance of 20% means that something is unlikely to occur.
Is the graphed function linear?
Yes, because each input value corresponds to exactly one output value.
Yes, because the outputs increase as the inputs increase.
No, because the graph is not continuous.
No, because the curve indicates that the rate of change is not constant.
Answers
Answer:
The answer is D. No, because the curve indicates that the rate of change is not constant.
Step-by-step explanation:
There is not a constant rate of change which results in a curved line.
Answer:
It is the last one: No, because the curve indicates that the rate of change is not constant.
Step-by-step explanation:
You can tell in the picture that if you connected the points it would not create a straight line.
Solve the following system of inequalities graphically on the set of axes below. State the coordinates of a point in the solution set.y> 1/2x+8, y<-x-1
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Answer:
(1,3)(-9,-7)(17,34)
Step-by-step explanation:
Find The true statement
Answers
no it is right. real answer is d.
HELP FIND THE UNIT RATE OF 90 DAYS/20 TRIPS PLEASEEEEE
Answers
Answer:
The unit rate is 4.5 days per trip
Step-by-step explanation:
So the equation would be 90 divided by 20
Simplified it is the same thing as 9 divided by 2
90 divided by 20 is 4.5
Answer:
4.5/1
Step-by-step explanation:
First, I found that 10 was the first factor or whatever I could find, so our new ratio is:
9/2
This is obviously not the unit rate, but if we divide by 2 we get:
4.5/1
So our unit rate is 4.5/1
PLEASE HELP!!!!!!!!!!!!
Answers
Step-by-step explanation:
The shaded part of the curve with interval 0 <= x <= 1 is not the whole curve.
The point of the curve that is furthest to the left has x-value -5.
The point of the curve that is furthest to the right has x-value 3.
Hence the correct domain is -5 <= x <= 3.
please help if you can. i am desperate. thank you god bless
Answers
Answer:
the answer is 300° your welcome
What is equivalent to the expression 7x - 14
Answers
Answer:
7x -14
Step-by-step explanation:
god
If a flat screen television is a rectangle with a 53 inch diagonal and a width of 45 inches, what is the height of the screen.
Answers
Answer:
Length= 28 inches
Step-by-step explanation:
Hope it helps!!!!
If a flat-screen television is a rectangle with a 53-inch diagonal and a width of 45 inches then the height of the screen is 28 inches.
What is a rectangle?A rectangle is a two-dimensional shape where the length and width are different.
The area of a rectangle is given as:
Area = Length x width
We have,
Diagonal of the television = 53 inches
Width = 45 inches
The height h of the television.
Applying the Pythagorean theorem.
h² + 45² = 53²
h² = 2809 - 2025
h² = 784
h = 28
Thus,
The height of the television is 28 inches.
Learn more about rectangles here:
https://brainly.com/question/15019502
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