Answer:
226.22 in^2
Step-by-step explanation:
Given data
Height l= 6in
Diameter= 12in
Radius= 12/2= 6in
The expression for the total surface area of a cone is given as
TSA= πrl+πr^2
substitute
TSA= 3.142*6*6+3.142*6^2
TSA= 113.112+113.112
TSA= 226.22 in^2
Hence the TSA is 226.22 in^2
The sum of the fifth and sixth term of an AP is 30.If the third term is 5.Find the first term.
Answer:
The first term is -3.
Step-by-step explanation:
Arithmetic sequence:
In an arithmetic sequence, the difference between two consecutive terms is always the same, and it is called common difference d.
The nth term is given by:
[tex]a_n = a_1 + (n-1)d[/tex]
In which [tex]a_1[/tex] is the first term.
If we have the mth term instead of the first, we have:
[tex]a_n = a_m + (n-m)d[/tex]
We have the third term, and need the fifth and the sixth:
So we write both the fifth and the sixth in function of the third, then:
[tex]a_5 = a_3 + 2d = 5 + 2d[/tex]
[tex]a_6 = a_3 + 3d = 5 + 3d[/tex]
The sum of the fifth and sixth term of an AP is 30
We use this to find [tex]d[/tex]. So
[tex]a_5 + a_6 = 30[/tex]
[tex]5 + 2d + 5 + 3d = 30[/tex]
[tex]5d + 10 = 30[/tex]
[tex]5d = 20[/tex]
[tex]d = \frac{20}{5} = 4[/tex]
First term:
The third term is:
[tex]a_3 = a_1 + 2d[/tex]
Since [tex]a_3 = 5, d = 4[/tex]
[tex]a_1 = a_3 - 2d = 5 - 8 = -3[/tex]
The first term is -3.
what is ac? HELP PLSSS
Answer:
AC=8
Step-by-step explanation:
We know that triangle ADC is a 30,60,90 triangle so the hypotenuse or AC is equal to 2 x the small side. In this case, it is 2 times AD or 2x4 which is equal to 8. Therefore, AC=8
Please mark as brainliest if this helped
You start at (7,9) in a coordinate plane you move left 7 units. Where do you end
Answer:
You end up at 0,9
Step-by-step explanation:
Which two tables represent data sets that could be fit to a normal distribution curve? A. value 1 2 3 4 5 6 7 8 9 10 11 percentage 1.5% 2.1% 2.2% 3.3% 3.9% 10.5% 14.1% 14.7% 15.3% 15.9% 16.5%
B. value 1 2 3 4 5 6 7 8 9 10 11 percentage 2.3% 4.4% 6.8% 11.4% 20.2% 27.8% 14.1% 7.6% 3.2% 1.5% 0.7%
C. value 2 3 4 5 6 7 8 9 11 10 C. percentage 19.2% 17.3% 6.9% 5.4% 2.9% 0.8% 2.8% 4.6% 7.3% 15.7% 17.1%
D. value 1 2 3 4. 5 6 7 8 9 10 11 percentage 21.3% 15.1% 14.8% 12.3% 8.1% 7.9% 6.3% 5.5% 4.8% 2.3% 1.6% 1 3 2 4 E.value 5 6 9 8 7 10 11 E. percentage 1.2% 2.9% 3.3% 7.9% 17.1% 35.2% 16.7% 8.4% 4.1% 2.3% 0.9%
Answer: i put b and e
Step-by-step explanation:
i got it from the person above me lol
Option C is the only table that represents a data set that could be fit to a normal distribution curve.
In a normal distribution, the data is symmetrically distributed around the mean, and the percentages decrease as you move away from the mean.
Option C exhibits this characteristic, where the percentages are highest at the mean values (5, 6, 9, 10) and decrease as you move away from the mean.
Where as the tables in options A, B, and D do not exhibit the characteristics of a normal distribution as the percentages do not decrease symmetrically away from the mean values.
To learn more on Statistics click:
https://brainly.com/question/30218856
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please help me :(
.....
Answer:
128 i think
Step-by-step explanation:
5x7=32
x=4
32x4=128
please help ill mark brainlist!!!
On a test a student got 15 problems correct out of a total of 20 problem.
What percent did the student get incorrect?
Answer:
1/4 or 25%
Step-by-step explanation:
Answer: 25%
Step-by-step explanation:
15/20=0.75
0.75x100=75
100-75=25
Hope this helped
anyone wanna help me with this??
Answer:
1.c
2.b
3. c
4.d
Step-by-step explanation:
leave an brainlest!
HELP me pls pls I beg you
Answer:B 25%
Step-by-step explanation:
6 people had 6-8 and there are 24 total people so the fraction is 6/24 which is equivalant to 1/4 which equals 25%
Answer:
25%
Step-by-step explanation:
add up all you get 24
add absences between 6 and 8 you get 6
6/24= 25
Answer please will make first answer brainliest
Answer:
The last one: 70/100 = x/80
And 56 free throws.
Explanation:
70% is 70 out of 100. And if the player is free throwing a total of 80 times, then 80 is 100% of the free throws. Both of the values that represent 100% are the denominators in the fractions.
[tex]\frac{70}{100} = \frac{x}{80}[/tex]
The equations are equal, and whatever you do to the bottom, you have to do to the top. 100 was multiplied by 4/5 to get 80. So 70 is multiplied by 4/5 to get x.
4/5 * 70 is 56
Working alone, it would take Shandra 40 minutes to sand a table. To sand the same table, also working alone, it would take Kelly 1 hour. If they work together, the situation can be modeled by the following equation, where t is the time it would take to sand the table working together.
StartFraction 1 Over 0.75 EndFraction + StartFraction 1 Over 1.25 EndFraction = StartFraction 1 Over time to complete together EndFraction
Shandra claims it will take them about 50 minutes working together, because 50 is the mean of 40 and 60. Which best describes Shandra’s claim?
Answer: CCCCCC
Step-by-step explanation:
It would take 24 minutes to sand the table working together.
What is an Equation?An equation is used to show the relationship between two or more variables and numbers.
It would take Shandra 40 minutes (2/3 hours) to sand a table while it would take kelly 1 hour.
Let t be the time it would take to sand the table working together. Hence:
(1/(2/3) + 1/1)t = 1
(3/2 + 1)t = 1
2.5t = 1
t = 0.4 hours = 24 minutes
It would take 24 minutes to sand the table working together.
Find out more on Equation at: https://brainly.com/question/2972832
find the measure indicated. Assume that the lines which appear to be tangent are tangent. Part 4
NO LINKS OF ANY KIND
The angle between the two tangents drawn from an external point to a circle and the angle subtended by the line segment joining the points of the contact at the Centre are supplymentary,
So,
15.) let the unknown angle be x
=》x + 55° = 180°
=》x = 180° - 55°
=》
[tex] \boxed{x = 125°}[/tex]
16. let the unknown angle be n
=》n + 80° = 180°
=》n = 180° - 80°
=》
[tex] \boxed{n = 100°}[/tex]
9514 1404 393
Answer:
15) 125°
16 100°
Step-by-step explanation:
The short arc where two tangents intersect a circle, and the angle where the tangents meet are supplementary.
__
15) ? = 180° -55° = 125°
16) ? = 180° - 80° = 100°
_____
Additional comment
The quadrilateral formed by the tangents and the radii to the points of tangency has a total interior angle measure of 360°. The angles where the radii meet the tangents are 90°, so the sum of the external angle and the central angle is 360° -90° -90° = 180°. That is, the external angle and the central angle are supplementary.
Help me pls I don't know what to do
Consider the equations g(x)=log(x+5) and h(x)=−x−6. To the nearest tenth, what is the solution of g(x)=h(x)?
9514 1404 393
Answer:
x ≈ -4.9
Step-by-step explanation:
There are no algebraic methods for solving this equation. The solution is nicely found by a graphing calculator.
x ≈ -4.9
_____
Using iterative techniques, the calculator can give an answer to the full precision available. It is ...
x ≈ −4.91733286844
are these two triangles congruent? if so state, how you know.
Answer:
by SSS axiom
hope it helps.
Answer:
Step-by-step explanation:
Yes
the two sides that are marked make 2/3 of the sides needed for SSS
The line shared by both triangles make the third side.
Answer: SSS
2
factorize :- a²-46²
Answer:
a²-46²(a-46)(a+46)hope it helps
stay safe healthy and happy.
Triangles ABC and ADE are similar, as shown. Which must be true? Check all that apply.
AC=AB
AC/AE=BC/DE
AC/AD=AB/AE
DE=2BC
BC=2DE
AC=2AE
AE=2AC
Answer:
AC/AE=BC/DE
AC/AD=AB/AE
DE=2BC
AE=2AC
Step-by-step explanation:
This is what I think.
The number of fish in a pond triples every 7 years. By what percent does the population change each year? 0 17% decay O 117% growth O 17% growth O 85.5% growth
Answer: O 17% growth it was a little bit confusing but this is the answer I came up with
Step-by-step explanation: hope it helps
a and b together can do a work in 10 days B and C together can do the same work in 15 days a b and c together can do the same work in 8 days then how many days can B alone do this work
Answer:
hauqvuauq shuavauvqsjahw w
A flagpole stands perpendicular to the ground. It is supported by a 20-foot cable that runs from the top of the flagpole to the ground at a point that is 12 feet from the base of the pole. Find the height of the flagpole. The Pythagorean theorem is a2 b2
Answer:
h = 16 feet
Step-by-step explanation:
Pythagoras´ theorem establishes, that in a right triangle square of the hypothenuse (c²) is the sum of leg ( b²) plus leg (a²)
Then
c² = a² + b²
where according to the problem statement
(20)² = h² + (12)² ( h is the height of the flagpole )
h² = 400 - 144
h² = 256
h = √ 256
h = 16 feet
2. 2 1 1 3
5' 4210
I
Arrange the fractions in ascending order.
D a) 1 1 2 3
2' 4' 5' 10
O c 1 3 2 2 1
4' 10' 5' 2
b) 3 2 1 1
10' 54'2
I
d) 1 2 1 3
2' 5' 4' 10
Answer:
a.1 1 2 3
2'4'5'10 that is ig
help ..........................................
Answer:
c. 45d+.25m
Step-by-step explanation:
At the U.S. Open Ternis Championship a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed of a particular player was 97 miles per hour (mph) and the standard deviation of the serve speeds was 13 mph. Assume that the statistician also gave us the information that the distribution of the serve speeds was mound-shaped and symmetric. What proportion of the player's serves was between 110 mph and 136 mph
Step-by-step explanation:
At the U.S. Open Tennis Championship, a statistician keeps track of every serve that a player hits during the tournament. The statistician reported that the mean serve speed of a particular player was 102 miles per hour (mph) and the standard deviation of the serve speeds was 15 mph.A manager needs to order company shirts for each employee. She was quoted the following rates. If she orders 75 shirts and passes the cost along to the employees, what would each employee owe for the shirt if each pays the same amount? Round to the nearest cent. Price Quote for Company Work Shirts Number of shirts ordered Cost per shirt First 19 shirts $10 Next 30 shirts $8 Each shirt over 49 $5 $7.40 $7.47 $7.53 $7.66
Answer:
The answer is $7.47.
Step-by-step explanation:
calculate how much in total 75 shirts cost:
- first 19 (less than 20) cost $10: 19 * $10 = $190
- the next 30 cost $8: 30 * $8 = $240
- the rest (26 = 75 - 19 - 30) cost $5: 26 * $5 = $130
in total 75 shirts cost $560:
19 * $10 + 30 * $8 + 21 * $5 = $190 + $240 + $130 = $560
Since 75 shirts are ordered, there must be 75 employees, so each employee must pay $7.47:
$565 ÷ 75 = $7.47
Answer:
$7.47
Step-by-step explanation:
Just did the test
A bakery sells 12 cupcakes for $10. A Super Market sells 10 cupcakes for $8. Which store is cheaper per cupcake? *
Answer:
Step-by-step explanation:
hope this help
Answer: the super market is cheaper
Please helppppppppppp
Answer: what are you supposed to find out?
Step-by-step explanation:
Please may I have some help thank you x
Answer:
I think x=2 because
3x4=12
12×2=24
×=2
Answer:
Th answer is 2cm
Step-by-step explanation:
3 x 4 = 12
24 / 12 = 2
6.8 + [(0.5 times 7) + (3.1 times 3)] answer
Answer:
19.6
Step-by-step explanation:
Find the measure of the indicated angle.
Answer:
fs :)
Step-by-step explanation:
write two different inequalities in which one of the solutions is the same as the solution to x - 23 = 192
Answer:
I don't no the answer sorry
2 3/6 boxes and 1 2/3 boxes were recycled what is the total