Answers
9514 1404 393
Answer:
113.0 cm²2464.0 in²95.0 ft²Step-by-step explanation:
1. The area of a circle is given by the formula ...
A = πr² . . . . . where r is the radius
The radius is shown as 6 cm, so the area is ...
A = (3.14)(6 cm)² = 113.0 cm²
__
2. The radius is shown as 28 in. We note that this is a number divisible by 7, so we choose 22/7 for π.
A = (22/7)(28 in)² = 2464 in² . . . . see comment
__
3. The radius is half the diameter, so is 11/2 = 5.5 ft. Then the area is ...
A = (3.14)(5.5 ft)² = 95.0 ft²
_____
Additional comment
If you use a more exact value of π for problem 2, the area is 2463.0 in². If you use 3.14 as the value of π, the area rounds to 2461.8 in². For these values of pi (3.14 or 22/7), the answer is only good to about 3 significant digits. 2464 has more significant digits, so digits beyond the first 3 may be in error.
Related Questions
Multiply. Write in simplest form 3/10 x 8
Answers
Answer:
2.4
Step-by-step explanation:
Answer:
3/10 multiplied by 8 would be 2.4
Step-by-step explanation:
3/10=0.3
0.3*8=2.4
the james family went to a restaurant for dinner, their bill was $58.97 . they would like to leave a 20% tip. what is the amount of the tip they would like to leave the server
Answers
58.97
move the decimal to the left by one in order to get 10%
5.897
now multiply by 2 to get 20%
$11.79
help if you can please
Answers
Answer:
a: 24 cm
b: 101 m
c: 1.46 mm
Step-by-step explanation:
Formula: d=2r
a: 12*2=24 cm
b: 50.5*2=101 m
c: 0.73*2=1.46 mm
Find the slope of the line that passes through the points (-3, 2) (5, 4).
O 1/8
O 2/8
O 3/8
1
4
HURRY PLS THIS IS TEST!!
Answers
Hope this helps : )
Solve the two-step equation.
-0.45x + 0.33 = -0.66
What is the solution?
x = -2.2
x = -1.4
x = 1.4
x = 2.2
Answers
Answer:
x = 2.2
Step-by-step explanation:
-0.45x + 0.33 = -0.66
-0.45x = -0.99
x = 2.2
Brainly plz :))
Will give brainiest to correct answer with explanation
Suppose 9x + 12 donuts were sold on
Friday and 4x - 3 were sold on Saturday.
What is the total number of donuts sold?
Answers
Answer:
jesus is always the answer
Step-by-step explanation:
jesus jesus
Help I need to do that I don’t even know what it is I’ll
Give brianliest
Answers
Answer:
Step-by-step explanation:
1. f(x) = 5x² + 3x - 1
a. f(0) = 5·0² + 3·0 - 1 = -1
b. f(-1) = 5(-1)² + 3(-1) - 1 = 1
Do the same for f(2), f(√2), f(a+2), and f(a).
Then do the same thing for the next function.
2. f(x) = x/(1-x)
a. f(0) = 0/(1-0) = 0
Do the same for f(-1), f(2), f(√2), f(a+2), and f(a).
The probability of dry weather (D) = 1⁄2, rain (R) = 1⁄3 and snow (S) = 1⁄6
If it is dry the probability that someone will arrive on time is 4
/5.
If it rains the probability that someone will arrive on time is 2
/5.
If it snows the probability that someone will arrive on time is 1
/10.
Calculate the probability that somebody is late.
Answers
=============================================================
Explanation:
Define the following events
D = weather is dryR = weather is rainyS = weather is snowyL = person is lateT = person is on timeWe are given the following probabilities
P(D) = 1/2P(R) = 1/3P(S) = 1/6Then we're further told that "if it is dry, then the probability someone will arrive on time is 4/5". We can condense that into the notation
P(T given D) = 4/5
The "given D" means that we know 100% that event D has occurred. So we're seeing how event T behaves because of D occurring. In other words P(T given D) is the same as saying "What is P(T) when we know D has happened?"
-------------------------
The instructions also mention that "If it rains, the probability someone is on time is 2/5" tells us we have the notation
P(T given R) = 2/5
And also, the probability someone is on time if it is snowy is
P(T given S) = 1/10
due to it saying "If it snows, the probability that someone will arrive on time is 1/10".
-------------------------
To recap so far, your teacher told you these three conditional probabilities
P(T given D) = 4/5P(T given R) = 2/5P(T given S) = 1/10They are conditional due to the "given" as part of the probability. They depend on the given event happening.
Subtract each fraction from 1 and we end up with these complementary probabilities
P(L given D) = 1/5P(L given R) = 3/5P(L given S) = 9/10I'm using the idea that P(A)+P(B) = 1, where A and B are complementary events. One or the other event must happen. Either you are on time, or you are late.
---------------------------
Recall the conditional probability formula is
P(A given B) = P(A and B)/P(B)
which rearranges to
P(A and B) = P(A given B)*P(B)
We'll use this idea to get the following
P(L and D) = P(L given D)*P(D) = (1/5)*(1/2) = 1/10P(L and R) = P(L given R)*P(R) = (3/5)*(1/3) = 1/5P(L and S) = P(L given S)*P(S) = (9/10)*(1/6) = 3/20This means,
P(L) = P(L and D) + P(L and R) + P(L and S) ..... law of total probability
P(L) = 1/10 + 1/5 + 3/20
P(L) = 2/20 + 4/20 + 3/20
P(L) = (2+4+3)/20
P(L) = 9/20 is the probability someone is late
2x - 1 1/2 = 31
solve the equation for the variable
Answers
Answer:
x=16 1/4
Step-by-step explanation:
is that a 11/2 or a 1 1/2? the answer i put was for 1 1/2
Answer:
x=16 1/4
Step-by-step explanation:
2 - 1/2 = 1/2
31 / 1/2 = 15 1/2
Check Answer:
(2 x 16 1/4)- 1 1/2
32 1/2 - 1 1/2
=31
Sooo:
x=16 1/4
Planes X and Y intersect at a right angle. Line A B and Line C G lie in plane X and do not intersect. Line R S lies in plane Y.
Answers
Answer:
frrffrwfr
Step-by-step explanation:
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP HELP I NEED HELP ASAP
Answers
Answer:
its B
Step-by-step explanation well you want to get ride of the zeros and substution and see which one is stronger
Answer:
A
Step-by-step explanation:
Hello there
The coefficient correlation is set on a scale of 1 to -1
1 having the strongest correlation, 5 having an ok correlation and 0 having no correlation
.193 is closest to 0 so the correlation is very weak
Remember if the coefficient correlation is positive the it will have a positive correlation and if its negative then it will have a negative correlation
So we can conclude that the answer is A
f m<1 = 2x + 3 and the m<4 = 3x + 2, then find the m<3.
Answers
Answer:
https://www.mrelisara.com/uploads/5/8/7/3/58736993/chapter_2_review_ws_answers.pdfStep-by-step explanation:
plss help me i really need help plsss my school is amost done so plss help me
Answers
Answer:
cant really help since I cant draw it out, just count the numbers, for example if its (5,4) start from the middle and go 5 pointa to the right and 4 points up and mark it, if its (-5. -4) go 5 points left and 4 points down
urgent !!
In Cynthia's physics class, she must turn in four lab reports. For each report, she earns extra credit if her percent error is less than 5%.
For her first lab report, she calculated the value of the acceleration due to gravity three times. She got the following three values.
9.56 ms2
9.72ms2
9.88ms2
The accepted value of the acceleration due to gravity is 9.8ms2.
Which option is closest to Cynthia's percent error?
about 8%
about 1%
about 0.8%
about 5%
Answers
Answer:
9.56 Ms2
Step-by-step explanation:
Help me with this yes im lazy 2 pages thats it.
Answers
Answer:
2.)[tex]\frac{1}{4}/3=\frac{1}{4}*\frac{1}{3}=\frac{1}{12}[/tex] s yes she is correct
3.)[tex]\frac{1}{5}*\frac{1}{7}[/tex]
4.)C[tex]\frac{1}{5}/2= \frac{2}{5}[/tex],D[tex]\frac{1}{12}/5=\frac{1}{60}[/tex],E
6.)[tex]\frac{1}{8}/3=\frac{1}{24}[/tex]
Step-by-step explanation:
im not very good at word problems so i didnt do the secnd page sorry
-4x3 and (x2 + 3x - 4)?
Answers
Step-by-step explanation:
A farmer is creating a rectangular garden such that the length is four times the width. The
area of the garden is 2077 square feet. Write and solve an equation to determine the width
of the garden, to the nearest tenth of a foot.
Answers
Answer:
Width of the garden = 22.8 foot
Step-by-step explanation:
Area of the rectangular garden = 2077 square feet.
Let
Width of the garden = x
Length of the garden = 4x
Area of a rectangular garden = length × width
2077 = 4x * x
2077 = 4x²
x² = 2077/4
x² = 519.25
find the square root of both sides
x = √519.25
x = 22.787057730211
To the nearest tenth of a foot.
x = 22.8 foot
Width of the garden = 22.8 foot
what is the value of the x- intercept of the following equation? 2x-6y=14
Answers
Answer:
x-3y-7=0
Step-by-step explanation:
Dont care bruuhh
please help
i need to complete this by 5:00pm
Answers
Answer:
A) 6
Step-by-step explanation:
6 is 8 points away from -2
0 is 2 points away from -2
-1 is 1 point away from -2
-9 is 7 points away from -2
Find the value of x. If necessary, write your answer in simplest radical form. 30 x 25 x nothing (Simplify your answer. Type an exact answer, using radicals as needed.)
Answers
Answer:
x = 38.05
Step-by-step explanation:
Using the Pythagoras theorem to find x
x is the hypotenuse
The other sides are opposite and adjacent
x² = 30²+25²
x² = 900+625
x² = 1525
x = √1525
x = 39.05
ok i really need help with this... liz had 7/8 of a puzzle finished. What percent did she have finished?
Answers
Have a good day :D
a certain shade of blue is made by mixing 1.5 quarts of blue paint with 5 quarts of white paint. If you need a total of 16.25 gallons of this shade of blue paint, how much of each color should you mix
Answers
Answer:
3.75 of blue mixed with 12.5 of white is the correct answer
Step-by-step explanation:
We know the blue and white paints are a 1.5 : 5 ratio, and if we have a total of 16.25 by 1.5 by 5.
1.5 * 2.5 = 3.75
------------------------
5 * 2.5 = 12.5
SO blue is 3.75 and white is 12.5
Answer:
blue is 3.75 and white is 12.5
Step-by-step explanation:
What is 26 - 16? Can anyone tell me?
Answers
Answer:
10
Step-by-step explanation:
Answer:
26 - 16=10 is your answer
Find the measure of each exterior angle of a regular polygon in which the sum of the measures of the interior angles is 2,520 degrees.
Answers
Answer:
0 y+o+u+t+u+b+e
Step-by-step explanation:
I will mark brainliest
Answers
Answer:
I think It would be A but I'm not exactly sure
Answer:
It's d no. 5/ x - 2 is the answer of your question
please help i don’t understand
Answers
Step-by-step explanation:
jiihihihgkhkgkgkhlhxgktjgdfafjykhkhlgxgkglgk bmgmgxhlhxgxhlulgmfjRjydhlkgjryeulgmgztjydhdhlcxgdgitxfztugkxygxgfufjjgzgjgjgkxgjzgkxgkxgkxchkxgkxhkxhkhlkxgxkgxtxkhxkgxkgxfjzfjzfizfjzfjzfjzfuxtkxyixgkxgkxxkhckhxg,fjzfjzgjzkgxjgzgk,gmzfjzjfzfjzkxgxjgxgjxgjxgkxgmxmb.bbmvmnv,cnznfzgmxx
If the dimensions of a cylinder are doubled he suface area will
Answers
It will be doubled, Because the surface area is getting bigger as the dimensions get bigger.
I need help plz this is hard
Answers
Answer:
99 inches
Step-by-step explanation:
9*11 =99
True or False? k= 1 is a solution to the inequality 9k + 5 > 18. True or False
Answers
Answer:
False
Step-by-step explanation:
Answer: False
Step-by-step explanation:
Each side of a regular hexagon has a length of 2 ft 3 in. Find the perimeter of the regular hexagon
Answers
Answer:
gdghdhsxjsjsj
Step-by-step explanation:
jcjcjcjcjjcjcjcjcjc
Answer:
t is a regular hexagon of side 2′. So it can be divided into 6 triangles equal in all respects.The sum of all interior angle of hexagon =(n-2)*180 = (6–2)180 =720 deg. each interior angle =720/6 =120 deg.Side of the triangle divides this angle into two equal halves each = 60 deg.when two base angles of each triangle are 60 and 60 third angle will also become 60 making it as equilateral triangle. N ow the area of hexagon =6*the area of each equilateral triangle of base 2 ft.=6*1/2*2*h. h is the altitude of the triangle=2/2*tan 60 = rt3 =1.732 .NOW area of hexagon =6*1.732 = 10.392 sq.ft