Answer:
5324
Step-by-step explanation:
formula=πr^2 h
22÷7×11×11×14=
22÷7×1694=
242×22=5324 cm
It takes 6 hours to reach London from Minneapolis. Amanda took a flight to London from Minneapolis and reached at 7:15 pm London time. At what time did she depart Minneapolis at London time?
i will mark as brainliest
please explain I will mark as brainliest
Answer:
1:15 pm
Step-by-step explanation:
It takes 6 hours to reach London from Minneapolis and she reached Minneapolis at 7:15pm so
7:15 - 6 = 1:15
What is the sum of the polynomials?
(x² - gy²-4x) + (x² - 3y² - 7x)
Answer: [tex]2x^{2}-(3+g)y^{2}-11x[/tex]
Step-by-step explanation:
You add each coeficient with the same type of incognita:
[tex]x^{2} +x^{2} =2x^{2}[/tex]
[tex]-3y^{2} -gy^{2} = -(3+g)y^{2}[/tex]
[tex]-7x-4x=-11x[/tex]
if a truck starts from rest and its has acceleration of 4m/s 2. for second ,calculate its final velocity .what will be the distance travelled by the truck during the time interval?
Answer:
The answer is given below
Step-by-step explanation:
Let us assume the truck accelerates for 4 seconds.
Given that:
Initial velocity (u) = 0 (starts from rest),
acceleration (a) = 4 m/s²
time (t) = 4 s
Final velocity (v) = ?,
Distance (s) = ?
To calculate the final velocity, we use the formula:
v = u + at
Substituting values gives:
v = 0 + 4(4)
v = 0 + 16
v = 16 m/s
The final velocity is 16 m/s²
To calculate the distance traveled by the truck, we use the equation:
[tex]s=ut+\frac{1}{2}at^2\\ Substituting\ values\ into\ the\ equation:\\s=0(4)+\frac{1}{2}(4)(4)^2\\s=0+2(16)\\s=0+32\\s = 32\ meters[/tex]
The distance traveled by the truck during the time interval is 32 meters
Urgent, It is a Calculus question and I’ll appreciate your help. Thanks
Answer:
[tex]\large \boxed{\sf \ \ \pi r^2 \ \ }[/tex]
Step-by-step explanation:
Hello,
We will follow the instructions and then we need first to find the area of any regular n-gon.
I attached one graph so that it is easier to understand.
The n-gon can be divided in n similar isosceles triangles.
So we can find the area of one of these triangles and then multiply by n to get the total area, right?
Let's focus on the triangle OAB then. OA = OB = r, right?
The area of this triangle is the (altitude * AB ) / 2
The angle AOB is [tex]\dfrac{2\pi}{n}[/tex] by construction of the regular n-gon.
So half this angle is [tex]\dfrac{\pi}{n}[/tex] and we can use cosine rule to come up with the altitude:
[tex]\boxed{ altitude = r\cdot cos(\dfrac{\pi}{n}) }[/tex]
Using the sine rule we can write that
[tex]\boxed{ AB=2r\cdot sin{\dfrac{\pi}{n}} }[/tex]
So, the area of the triangle is
[tex]\dfrac{1}{2}\cdot r\cdot cos(\dfrac{\pi}{n}) } \cdot 2r\cdot sin(\dfrac{\pi}{n})\\\\=r^2\cdot cos(\dfrac{\pi}{n})\cdot sin(\dfrac{\pi}{n})[/tex]
Ok, but wait, we know how to simplify. We can use that
[tex]sin(2\theta)=2cos(\theta)sin(\theta)[/tex]
So it gives that the area of one triangle is:
[tex]\dfrac{1}{2}r^2sin(\frac{2\pi}{n})[/tex]
Last step, we need to multiply by n.
[tex]\large \boxed{\sf \ \ A(n)=\dfrac{1}{2}nr^2sin(\dfrac{2\pi}{n}) \ \ }[/tex]
Now, let's use a result from Calculus:
[tex]\displaystyle \lim_{x\rightarrow0} \dfrac{sin(x)}{x}=1[/tex]
How to use it here? Just notice that
[tex]\displaystyle \lim_{n\rightarrow +\infty} \dfrac{sin(\dfrac{2\pi}{n})}{\dfrac{2\pi}{n}}=1\\\\\lim_{n\rightarrow +\infty} \dfrac{n}{2\pi}sin(\dfrac{2\pi}{n})=1\\\\\lim_{n\rightarrow +\infty} nsin(\dfrac{2\pi}{n})=2\pi[/tex]
So, finally
[tex]\Large \boxed{\sf \lim_{n\rightarrow +\infty} A(n)=\dfrac{1}{2}r^22\pi=\pi r^2 }[/tex]
Hope this helps.
Do not hesitate if you need further explanation.
Thank you
The population of a country is 41291275.
All of the digits are written on separate cards.
Archie selects ONE card at random.
How many DIFFERENT possible outcomes are there?
There are
DIFFERENT possible outcomes.
Answer:
rs6657
Step-by-step explanation:
ASAP!! Please help me. I will not accept nonsense answers, but will mark as BRAINLIEST if you answer is correctly with solutions.
Answer:
Step-by-step explanation:
Hello,
[tex]x^6-6x^3y+9y^2\\\\=(x^3)^2-2\cdot x^3\cdot 3y+(3y)^2\\\\=(x^3-3y)^2[/tex]
So the correct answer is
[tex]x^3-3y[/tex]
Do not hesitate if you have any question
I NEED HELP PLEASE, THANKS! :)
Astronomers classify stars according to their brightness by assigning them a stellar “magnitude.” The higher the magnitude the dimmer the star. The dimmest stars visible to the naked eye have stellar magnitudes of 6. The table below shows the relative brightness of different stellar magnitudes.
a. Find an equation that gives the relative brightness in terms of stellar magnitude.
b. Use this equation to find the relative brightness of a star with magnitude 9.
(SHOW WORK)
Answer:
a. y = 250 (0.4)^x
b. 0.066
Step-by-step explanation:
The equation can be modeled as a geometric sequence, where the first term is 100 and the common ratio is 0.4.
y = 100 (0.4)^(x − 1)
This can also be simplified to:
y = 250 (0.4)^x
When x = 9:
y = 250 (0.4)^9
y = 0.066
Answer: a) y = 250(0.4)ˣ
b) 0.065536
Step-by-step explanation:
Create a system of equations in the form y = a(b)ˣ
where y is the Relative Brightnessx is the Stellar Magnitude[tex]Equation\ 1: 100=a(b)^1\\Equation\ 2: 40=a(b)^2\\\\\\\text{Set each equation equal to a to solve for b:}\\Equation\ 1: \dfrac{100}{b}=a\qquad Equation\ 2: \dfrac{40}{b^2}=a\\\\\\\dfrac{100}{b}=\dfrac{40}{b^2}\\\\\\100b^2=40b\\\\0.4=b[/tex]
Now insert b = 0.4 into one of the equations to solve for "a":
[tex]100=a(0.4)^1\\\\\\\dfrac{100}{0.4}=a\\\\\\\dfrac{1000}{4}=a\\\\\\250=a[/tex]
Now we have our equation for part (a) y = 250(0.4)ˣ
For part (b), replace the x with 9 and solve.
y = 250(0.4)⁹
= 0.065536
?
Jim has 3 cats, 5 dogs, and 2 rabbits. Match each type of ratio to the
correct description of Jim's pets. Drag the items on the left to the
correct location on the right
part-to-part ratio
5 dogs to 10 per
whole-to-part ratio
3 cats to 5 dogs
part-to-whole ratio
10 pets to 2 rab
Answer:
The correct locations are;
Part to part ratio is 3 cats to 5 dogs
Whole to part ratio is 10 pets to 2 rabbits
Part to whole ratio is 5 dogs to 10 pets
Step-by-step explanation:
The given information are;
The number of cats Jim has = 3
The number of dogs Jim has = 5
The number of rabbit Jim has = 2
The total number of pets Jim has = 3 + 5 + 2 = 10 pets
Therefore;
The fraction of the pets that are cats = 3/10
The fraction of the pets that are dogs = 5/10
The fraction of the pets that are rabbits= 2/10
Therefore we have;
Part to part ratio = 3/10 cats to 5/10 dogs = 3 cats to 5 dogs
Whole to part ratio → 10 pets to 2 rabbits
Part to whole ratio → 5 dogs to 10 pets.
It takes approximately 8 working days for an orderof number 6 screws to arrive once the order has beenplaced. (Refer to Problem 6-18.) The demand fornumber 6 screws is fairly constant, and on the aver-age, Lila has observed that her brother's hardwarestore sells 500 of these screws each day. Because thedemand is fairly constant, Lila believes that she canavoid stockouts completely if she only orders thenumber 6 screws at the correct time. What is theROP?
Answer:
Step-by-step explanation:
Given that:
The demand for number 6 screws is fairly constant and brother's hardware store sells 500 of these screws each day.
So;
The demand for number 6 screws = 500 screws /day
It takes approximately 8 working days for an order of number 6 screws to arrive once the order has been placed.
Delivery time-frame = 8 days
Lila believes that she can avoid stockouts completely if she only orders the number 6 screws at the correct time.
i.e Lila would want to have 8 days (delivery time-frame) × 500 screws /day
= 4000 screws
This implies that these 4000 screws will only last for 6 days.
Thus Lila ROP ( reorder point) will be to reorder for another set of screw the day she receives the current shipment, this implies that after 8 days she would have sold the present 4000 screws and she will be expecting a new re-stock.
In this exercise, we have to use our knowledge of finance to calculate the number that should be replenished in the stock, in this way:
This implies that these 4000 screws will only last for 6 days.
The exercise statement states that:
6 screws is fairly constant and brother's hardware store sells 500 of these screws each day.With this information we can also say that:
It takes approximately 8 working days for an order of number 6 screws to arrive once the order has been placed.Then, performing the calculation, we find:
[tex] 8 * 500 = 4000 screws[/tex]
See more about finances at brainly.com/question/10024737
Which term describes a function in which there is a common difference
between each yvalue?
A. Exponential function
B. Exponential decay
C. Linear function
D. Geometric sequence
i think it might be linear function
Given triangle ABC shown below, which graph shows the transformation
(x + 3, y-2)
A
B
C
D
Answer:
its c
Step-by-step explanation:
In 1860, gingham cloth sold for
$0.25 per yard. Mrs. Olsen bought
16.4 yards to make clothes for her
whole family. How much did she
spend on cloth?
Answer:65.6
Step-by-step explanation:
So $0.25 per yard
16.4/$0.25=65.6
the sum of 2 numbers is 7 the larger number is 16 more than 2 times the smaller number what are the numbers
Answer:
x=larger no
y= smaller no
Step-by-step explanation:
x+y=7--------(1)
x=16 + 2y------(2)
(2)--->(1)
16+2y+y = 7
3y + 16 = 7
3y = -9
y = -3//
so x=10
Answer:
x=larger no
y= smaller no
Step-by-step explanation:
x+y=7--------(1)
x=16 + 2y------(2)
(2)--->(1)
16+2y+y = 7
3y + 16 = 7
3y = -9
y = -3//
so x=10
Write these numbers in standard form.
a)
seventeen thousand
b) twenty six million
c)
seven hundred and forty thousand
Answer:
A) 17,000 = 1.7x10^4
B) 26,000,000 = 2.6x10^7
C) 740,000 = 7.4x10^5
Step-by-step explanation:
Answer:
1.7x10
Step-by-step explanation:
What is the product?
Answer: [-12, 3, 2, -2]
Step-by-step explanation:
Multiply each corresponding integer by each other.
4 * -3 = -12
3 * 1 = 3
-1 * -2 = 2
-1 * 2 = -2
The population of Watesville decreases at a rate of 1.6% per year. If the population was 62,500 in 2014, what will it be in 2020?
Answer:
56,735 people
Step-by-step explanation:
We can set up an equation to model this:
The equation for exponential decay is y = C(1 - r)^t, where C is the original amount, r is rate of change, and t is time.
We can plug in the corresponding values and solve:
y = 62500(1 - 0.016)^6
y = 62500(0.984)^6
y = (62500)(0.9077)
y = 56,734.94, which we can round to 56,735 people
Nick was thinking of a number. Nick halves it and gets an answer of 39.5. What was the original number?
Answer:
79
Step-by-step explanation:
Let the original number be x.
x/2 = 39.5
x = 39.5 × 2
x = 79
Answer:
x = 79
Step-by-step explanation:
Let the number be x
Condition:
[tex]\frac{x}{2} = 39.5[/tex]
Multiplying both sides by 2
=> x = 39.5 * 2
=> x = 79
Geometry -true or false- After we prove that a theorem is true it becomes a definition
Answer:
False
Step-by-step explanation:
A definition produces out of nothing a new mathematical entity. But a theorem utilizes some relation between previously defined mathematical entities.
Usually a theorem must be verified by a proof of its correctness on the basis of generally accepted statements or on the basis of previously established statements which might include other theorems.
solve for x. 5x+9=24
Answer: x=3
Step-by-step explanation:
5x+9 =24 subtract 9 from both sides
-9 -9
5x = 15 Divide both sides by 5
x = 3
Answer:
[tex]5x = 24 - 9 \\ 5x = 15 \\ x = \frac{15}{5} \\ x = 3[/tex]
The third, fifth and eighth terms of an AP are the first 3 consecutive terms of a GP. Given that the first term of the AP is 8, calculate the common difference
Answer:
Common Difference = 2.
Step-by-step explanation:
An AP can be written as a1, a1 + d, a1 + 2d, a1 + 3d, a1 + 4d, a1 + 5d, a1 + 6d , a1 + 7d.
where a1 = first term and d is the common difference.
Here first term = a1 = 8
3rd term = a1 + 2d = 8 + 2d
5th term = a1 + 4d = 8 + 4d
8th term = 8 + 7d
First 3 terms of a GP are a , ar and ar^2
So from the given information:
a = 8 + 2d
ar = 8 + 4d
ar^2= 8 + 7d
Dividing the second equation by the first we have
r = (8 + 4d)/(8 + 2d)
Dividing the third by the second:
r = (8 + 7d) / (8 + 4d)
Therefore, eliminating r we have:
(8 + 4d)/(8 + 2d) = (8 + 7d)/(8 + 4d)
(8 + 4d)^2 = (8 + 2d)(8 + 7d)
64 + 64d + 16d^2 = 64 + 72d^ + 14d^2
2d^2 - 8d = 0
2d(d^2 - 4) = 0
2d = 0 or d^2 = 4, so
d = 0, 2.
The common difference can't be zero so it must be 2.
what is the y-intercept of f(x)=5 x (1/6x)
Answer:
(5, 0)
Step-by-step explanation:
Answer:
(5 ,0)
I just turned it in and it was correct
Step-by-step explanation:
PLEASE MARK BRAINLIEST
Mary invests £12000 in a savings account.
The account pays 1.5% compound interest per year.
Work out the value of her investment after 2 years.
Answer:
Step-by-step explanation:
We khow that Mary invested 12000£ and the account pays 1.5 percent interest per year.
So we should khow what is the value of this 1.5 percent interst .
12000£⇒100 percent
x ⇒ 1.5 percent
x= [tex]\frac{1.5*12000}{100}[/tex]=180 mary inested for 2 years so : 2x=2*180=360so the value after 2 years is : 12000+360=12360
by what percentage will an amount gro in 10yeare if it is invested at 5% p.a. compounded monthly
Answer:
64.7%
Step-by-step explanation:
To solve this problem we use compounded interest formula.
[tex]a = p(1 + (r \div n))^{nt} [/tex]
a = amount
p = principle
r = interest rate
n = number of times compounded in a period
t = time period
[tex]a = 1000(1 + (.05 \div 12)^{12 \times 10} [/tex]
a = 1647.01
1647.01-1000 = 647.01
647.01/1000 = 0.64701
0.64701*100% = 64.7%
Find the average rate of change for problems 1-3: X. X^2+7 2. 11 3. 16 4. 23 5. 32 6. 43 1) what is the average rate of change between x=2 and x=5 2) what is the average rate of change between x=3 and x=6 3) what is the average rate of change between x=2 and x=4
Answer:
(1)7 (2)9 (3)6
Step-by-step explanation:
[tex]\left|\begin{array}{c|cc}X&f(X)=X^2+7\\--&-----\\2&11\\3&16\\4&23\\5&32\\6&43\end{array}\right|[/tex]
(1)The average rate of change between x=2 and x=5
[tex]\dfrac{dy}{dx} =\dfrac{f(5)-f(2)}{5-2} =\dfrac{32-11}{3} =\dfrac{21}{3} =7[/tex]
(2)The average rate of change between x=3 and x=6
[tex]\dfrac{dy}{dx} =\dfrac{f(6)-f(3)}{6-3} =\dfrac{43-16}{3} =\dfrac{27}{3} =9[/tex]
(3)The average rate of change between x=2 and x=4
[tex]\dfrac{dy}{dx} =\dfrac{f(4)-f(2)}{4-2} =\dfrac{23-11}{2} =\dfrac{12}{2} =6[/tex]
Answer:
2 . 4 . 8 .
Step-by-step explanation:
increases
please help needed any one please
Answer:
b = 48°
a = 67°
step by step explanation
b = 48°
a = 67°
Answer:
a = 67°
b = 48°
Step-by-step explanation:
a = 180° - 132° = 48° (angles in a straight line add up to 180°)
65° + 48° = 113°
180° - 113° = 67° (sum of angles in a triangle add up to 180°)
b = 180° - 132° = 48° (co-interior angles add up to 180°)
I HOPE THIS HELPED, MARK ME BRAINLIEST PLEASE:)
3
4
5
The table represents a function.
What is f(-2)
f(x)
-3
3
-1
x
-6
-2
0
3
1
0 1
4
-2
3
Answer:
The answer is option D.3Step-by-step explanation:
From the table above f(-2) = 3
Hope this helps you
The figure below is formed by 8 identical rectangles and 1 triangle. Find the
area of the shaded triangle
Answer:
Step-by-step explanation:
Base of triangle = length of the rectangle
Since, all are identical rectangles,
Length of a rectangle= 36/2 = 18 cm
Base of triangle = 18 cm
Height of triangle = length of the rectangle + width of the rectangle
Width of 6 rectangles = 36
Width of 1 rectangle = 36/ 6 = 6 cm
Height of the triangle = 18 + 6 = 24 cm
Area of the shaded triangle = [tex]\frac{1}{2}base*height[/tex]
= [tex]\frac{1}{2}*18*24[/tex]
= 9 * 24
= 216 cm²
In still water, a boat averages 18 miles per hour (mph). It takes the same amount of time to travel 33 miles downstream (with the current) as it takes to travel 21 miles upstream (against the current). What is the rate of the water's current
Answer:
The rate of the water current is 4mph
Step-by-step explanation:
Let c= the rate of the current in mph
18+c= the rate of the boat going downstream in mph
18-c= the rate of the boat going upstream in mph
t = time in hrs for both upstream and downstream trips
Going downstream:
33=(18+c)*t (1)
Going upstream
21=(18-c)*t (2)
From (1)
33=(18+c)*t
t=33/1(8+c)
Substitute t=33/(18+c) into (2)
21=(18-c)*t
21=(18-c)*33/(18+c)
Cross product
21(18+c)=33(18-c)
378+21c=594-33c
21c+33c=594-378
54c=216
Divide both sides by 54
54c/54=216/54
c=4
Therefore,
The rate of the water current is 4mph
PLEASE ANSWER THIS GEOMETRY QUESTION ASAP FOR ME PLEASE!!
Answer:
60°
Step-by-step explanation:
30° + 90° = 120°
180° - 120° = 60°
180 is the sum of interior angels
Resource Allocation You manage an ice cream factory that makes two flavors: Creamy Vanilla and Continental Mocha. Into each quart of Creamy Vanilla go 2 eggs and 3 cups of cream. Into each quart of Continental Mocha go 1 egg and 3 cups of cream. You have in stock 500 eggs and 900 cups ofcream. How many quarts of each flavor should you make in order to use up all the eggs and cream?
Answer:
in order to use up all the eggs and cream, the number of quarts of each flavor that should be made is;
Creamy vanilla x = 200 quarts
Continental mocha y = 100 quarts
Step-by-step explanation:
Let x and y represent the number of quarts of Creamy Vanilla and Continental Mocha that should be made in order to use up all the eggs and cream respectively.
For Creamy Vanilla go 2 eggs and 3 cups of cream
For Continental Mocha go 1 egg and 3 cups of cream.
Total number of eggs = 500 eggs
Total number of cream cups = 900 cups.
For the eggs;
2 eggs × x + 1 egg × y = 500
2x + y = 500 .......1
For the cream cups;
3 cups × x + 3 cups × y = 900
3x + 3y = 900
Dividing through by 3
x + y = 300 .......2
Solving the simultaneous equation;
Subtracting equation 2 from 1
(2x + y) - (x+y) = 500-300
2x -x = 200
x = 200
Substituting x = 200 into equation 2;
200 + y = 300
y = 300 - 200
y = 100
Therefore, in order to use up all the eggs and cream, the number of quarts of each flavor that should be made is;
Creamy vanilla x = 200 quarts
Continental mocha y = 100 quarts