True or False: A sector of a circle with a measure of 36" and radius of 12 cm has an arc length of about 15 cm. O True O False
Answers
Answer:
The answer of this question is False
Related Questions
Denzel must practice the piano for 210 min each week. He practices for 30 min each day. Write a linear equation represent the number of minutes denzel still has to practice after x days?.
Answers
Answer:
y = 30x - 210
Step-by-step explanation:
heart and star pls <3 brainliest will be appreciated <3(っ◔◡◔)っ -{ elyna s }-Darryl was shopping for a new camera. He found one with an original price of
$125.00 and is marked 45% off. Sales tax for the item is 5.2%. What is the final
price of the camera, including tax?
Answers
Answer:
$72.33
Step-by-step explanation:
125 * 0.45 = 56.25
125 - 56.25 = 68.75 (marked off price)
68.75 * 1.052 = 72.33 (add sales taxes and round off)
Final price $ 72.33
If x ≥ 0, then √-x = i√x. Thus, √-5 =
Answers
Answer: i√5
Step-by-step explanation:
since 5≥0, then see 5 as x and bring it into the next steps
Tyrone works at a diner, as both a cashier and a host. He earns $7.95 per hour no matter what job he does. Tyrone wants to buy a new guitar that costs $238.50. The manager of the diner needs him to work 18 hours next week as a cashier. If Tyrone wants to buy the guitar next week, how many hours would he need to work as a host? Solve this problem by using an algebraic equation.
Answers
Tyrone needs to work as a host for 12 hours to earn enough money to buy the guitar.
Let x be the number of hours Tyrone works as a host in the next week. Then, the total amount earned by Tyrone next week is given by:
Total earnings = (hours worked as cashier × rate per hour) + (hours worked as host × rate per hour)
We know that Tyrone will work as a cashier for 18 hours, so the total amount he will earn is: 18 × $7.95 = $143.10We also know that the total cost of the guitar is $238.50.Thus, the amount of money Tyrone still needs to earn is:$238.50 - $143.10 = $95.40
To find out how many hours Tyrone needs to work as a host, we need to use the rate per hour, which is $7.95 per hour. Let x be the number of hours he works as a host. Then, the total amount he earns from working as a host is:$7.95xSo, we need to solve the equation:$7.95x = $95.40. Dividing both sides by $7.95 gives us :x = 12Therefore, Tyrone needs to work as a host for 12 hours to earn enough money to buy the guitar.
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simplificar la expresion 3 ( - x - 2 ) me dicen cual es ? es para un examen
Answers
Answer:
-3x - 6
Step-by-step explanation:
3 × -x = -3x
3 × -2 = -6
-3x - 6 hope this helps
Answer:
Step-by-step explanation:
In your reservoir, you have a production well which flows for 48 hours at 200 STB/day, and then shut-in for 24 hours. The following additional data are given : Pi = 3100 psi Ct = 15x10^-6 psi^-1 Bo = 1.3 bbl/STB ϕ = 15% μ=1.2 cp K = 45 md and h = 60 ft
a-) Calculate the pressure in this production well at 12 hours of shut in
b-) Explain how can you use superposition in time to analyze a pressure build-up test.
Answers
a) To calculate the pressure at 12 hours of shut-in:
substitute the given values into the pressure buildup equation and solve for P(t=12).
b) Superposition in time is used in pressure buildup analysis by adding or summing the responses of multiple transient tests to analyze and interpret reservoir behavior and properties.
We have,
a) To calculate the pressure in the production well at 12 hours of a shut-in, we can use the equation for pressure transient analysis during shut-in periods, known as the pressure buildup equation:
P(t) = Pi + (Q / (4πKh)) * log((0.14ϕμCt(t + Δt)) / (Bo(ΔP + Δt)))
Where:
P(t) = Pressure at time t
Pi = Initial reservoir pressure
Q = Flow rate
K = Permeability
h = Reservoir thickness
ϕ = Porosity
μ = Viscosity
Ct = Total compressibility
t = Shut-in time (12 hours)
Δt = Time since the start of the flow period
Bo = Oil formation volume factor
ΔP = Pressure drop during the flow period
Given:
Pi = 3100 psi
Q = 200 STB/day
K = 45 md
h = 60 ft
ϕ = 15%
μ = 1.2 cp
Ct = 15x10^-6 psi^-1
Bo = 1.3 bbl/STB
t = 12 hours
Δt = 48 hours
ΔP = Pi - P(t=Δt) = Pi - (Q / (4πKh)) * log((0.14ϕμCt(Δt + Δt)) / (Bo(ΔP + Δt)))
Substituting the given values into the equation:
ΔP = 3100 - (200 / (4π * 45 * 60)) * log((0.14 * 0.15 * 1.2 * 15x\(10^{-6}\) * (48 + 48)) / (1.3 * (3100 - (200 / (4π * 45 * 60)) * log((0.14 * 0.15 * 1.2 * 15 x \(10^{-6}\) * (48 + 48)) / (1.3 * (0 + 48))))))
After evaluating the equation, we can find the pressure in the production well at 12 hours of shut-in.
b) Superposition in time is a principle used in pressure transient analysis to analyze and interpret pressure build-up tests.
It involves adding or superimposing the responses of multiple transient tests to simulate the pressure behavior of a reservoir.
The principle of superposition states that the response of a reservoir to a series of pressure changes is the sum of the individual responses to each change.
Superposition allows us to combine the information obtained from multiple tests and obtain a more comprehensive understanding of the reservoir's behavior and properties.
It is a powerful technique used in reservoir engineering to optimize production strategies and make informed decisions regarding reservoir management.
Thus,
a) To calculate the pressure at 12 hours of shut-in:
substitute the given values into the pressure buildup equation and solve for P(t=12).
b) Superposition in time is used in pressure buildup analysis by adding or summing the responses of multiple transient tests to analyze and interpret reservoir behavior and properties.
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Pls help. Just answer anything you know here thanks :))
Answers
Answer:
Read explanation
Step-by-step explanation:
Left page
1. (b+4)^2
2. (a-10c)^2
3. (x+2)^2
4. (3d-1)^2
5. (2n+3x)
Right page
1.(m-4)(m+3)
2.(3x+2)(x+2)
3.(b+9)(b-3)
4.(c+5)(c+7)
5.(a-10c)^2 (by the way, same as left page 2)
Elena went to a store where you can scoop your own popcorn and buy as much as you want. She bought 10 ounces of spicy popcorn for $2.50. Write two different equations that represent this situation. Use for ounces of popcorn and for cost in dollars.
Answers
Answer:
$2.50x=10
10x=$2.50
Step-by-step explanation:
X would represent the number of scoops.
Grocery Store A is selling bananas for $0. 75 for 12 pound. Grocery Store B is selling 5 pounds of bananas for $3. 75. Which store is offering the best unit rate? Show your work.
Answers
The store is offering the best unit rate is Grocery Store A.
The store with the lower unit rate offers the best rate. The unit rate is the total cost divided by the pound of bananas sold.
unit rate = cost / pounds
Unit rate of Grocery Store A: $0.75 / 12 = $0.0625
Unit rate of Grocery Store B: $3.75 / 5 = $0.75
Comparing the unit rates of both stores, Grocery Store A offers a lower unit rate.
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Triangle E F G is shown. Which statements regarding Triangle E F G are true? Select three options. E F + F G greater-than E G E G + F G greater-than E F E G minus F G less-than E F E F minus F G greater-than E G E G + E F less-than F G
Answers
Answer:
It will be located in the explanation
Step-by-step explanation:
A) Which number line shows a graph of the inequality x > -25
B) the coordinates of the points below represent the vertices of a rectangle, what is the perimeter, in units, of rectangle PQRS
Answers
Answer:
Ans of A is A
Ans if B is C = 14
Give an ϵ/N proof that limn→[infinity](√n+2−√n)=0
Answers
The given statement " limn→infinity=0 using an ϵ/N " is true and proved by showing that for any given ϵ > 0, there exists an N such that if n > N, then |√n+2−√n| < ϵ.
Let ϵ > 0 be given. We want to find an N such that |√n+2−√n| < ϵ for n > N.
First, we can simplify |√n+2−√n| as follows:
|√n+2−√n| = |(√n+2−√n) * (√n+2+√n) / (√n+2+√n)| = |(n+2−n) / (√n+2+√n)| = 2 / (√n+2+√n)
Now, we need to find an N such that 2 / (√n+2+√n) < ϵ for n > N. Multiplying both sides by (√n+2−√n), we get:
2 < ϵ(√n+2+√n)
2/ϵ < √n+2+√n
Squaring both sides, we get:
4/ϵ^2 < n+2+2√n(n+2)+n
4/ϵ^2 < 2n+2√n(n+2)
n > (4/ϵ^2 - 2)/(2√n+2)
Since we want n > N, we can choose N to be any integer greater than or equal to (4/ϵ^2 - 2)/(2√N+2). Then, for any n > N, we have:
n > (4/ϵ^2 - 2)/(2√n+2)
2 / (√n+2+√n) < ϵ
|√n+2−√n| < ϵ
This completes the proof.
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Suppose you are planning to buy a new refrigerator. The fridge comes with a one-
year warranty, but you can purchase a warranty for an additional year of $33. Your
research indicates that in the second year, there is a 1 in 12 chance of incurring a
major repair that costs $150 and a 1 in 20 chance of incurring a minor repair that
costs $55.
What is the expected cost if someone does not buy the warranty?
Your
Answers
Answer:
The expected cost if someone does not buy the warranty is $16.25.
Step-by-step explanation:
To find the expected cost, we need to consider the probability of different outcomes and multiply them by their corresponding costs. In this case, we have two possible outcomes: no repair needed or a repair needed.
The probability of no repair needed in the second year is 11/12 (since there is a 1 in 12 chance of a major repair). The cost for no repair needed is $0.
The probability of a major repair needed in the second year is 1/12. The cost for a major repair is $150.
The probability of a minor repair needed in the second year is 1/20. The cost for a minor repair is $55.
So the expected cost if someone does not buy the warranty is:
(11/12) x $0 + (1/12) x $150 + (1/20) x $55 = $16.25
This means that on average, someone who does not buy the warranty can expect to pay $16.25 in repairs during the second year of owning the fridge.
PLS HELP WILL MARK YOU BRAINLIEST NO FAKE ANSWERS
a air balloon is at a height of 2,520 feet. it begins to descend at the rate of 140 feet per minute.
1.Write an expression to model its height after x minutes
Answers
Answer:
2,520 - 140x
Step-by-step explanation:
It's 140 feet per minute, so if you need to find it's height after x minutes you just plug in your value for x.
Please mark brainliest if possible and have a nice day!
Which represents a perfect cube? 8 times 8 times 8 8 8 8 9 times 9 times 9 times 9 9 9 9 9 9
Answers
Answer:
by o of u 999987ui87 u ko9h u kgnnh b mjuokkwuij
Can we just get rid of math forever?
Answers
Answer:
I don't think so .... :(((
Through: (1,1), slope=1/4
Answers
Answer:
1/4x+3/4
Step-by-step explanation:
what is the answer to this problem? Evaluate |-7| + 4
Answers
Answer:
11 (PLEASE GIVE BRAINLIYEST)
Step-by-step explanation:
absolute value is distance from zero so |-7|=7
and 7+4 is 11
PLEASE LOOK AT PHOTO! WHOEVER ANSWERS CORRECTLY I WILL MARK BRAINIEST!!
Answers
or,79=37+AM2
or,79-37=AM2
or,42=AM2
hence AM2 is 42,
Robby decided to earn extra money by making and selling brownies and cookies. He had space in his oven to make at most 80 brownies and cookies. Each brownie cost $.10 to make and each cookie cost $.05to make. He had $6 to spend on ingredients. a. Write a system of inequalities to represent the situation. b. Graph the system, choose one point in the feasible region and explain what the point means in terms of the problem. c. If Robby makes a profit of $.25 on each brownie and $.20 on each cookie, how many of each dessert should he make to maximize his profit?
Answers
Answer:
a. See the analysis
b. See the analysis
c. 40 brownies and 40 cookies max profit is 18
the speed v of an object dropepd from rest is given by v(t)=9.8t where v is meters per second ap calc integrals
Answers
The distance traveled in the first 5.2 seconds when the speed dropped from the rest as v(t) = 9.8t is equal to 132.496 meters.
'v' is the speed of the object in meter per second
't' is the time in seconds.
Speed dropped from rest 'v(t) = 9.8t '
Distance traveled in the first 5.2 seconds is equal to
= \(\int_{0}^{5.2}\)9.8t dt
= ( 9.8 / 2 )t² \(|_{0}^{5.2}\)
Substitute the lower and upper limit to get the required distance we have,
= 4.9 [ ( 5.2)² - 0² ]
= 4.9 × 27.04
= 132.496 meters
Therefore, the distance traveled for the given first 5.2 seconds is equal to 132.496 meters.
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The above question is incomplete, the complete question is:
Free fall the speed v of an object dropped from rest is given by v(t)=9.8t where v is meters per second and time 't' is in seconds.
(a) Express the distance traveled in the first 5.2 seconds as an integral.
Jaquan surprised his mom by taking her out for Mother's Day. Hetook her to her favorite restaurant. The total bill came to $112.49.Jaquan gave a 23% tip towards the bill. What is the total restaurantbill including the tip amount?
Answers
Explanation
to know the total bill amount we need to add the tip to the total,so
Step 1
find the value of the tip
\(\text{tip}=23\text{ percent = }\frac{23}{100}=0.23\)it means to find the tip amount you need multiply the bill by 0.23,hence
\(\begin{gathered} \text{Tip}=112.49\cdot0.23=25.8727 \\ \text{tip amount}=25.8727 \end{gathered}\)Step 2
finally , add the values to know the total restaurant bill including the tip amount
\(\begin{gathered} \text{Total bill= bill+tip} \\ \text{Totall bill= \$ 112.49 +\$25.8727} \\ \text{Totall bill= \$ }138.3627 \end{gathered}\)So, the answer is $138.3627.
I hope this helps you
(2)
y = x + 2
x + y = 8
Answers
Answer:
y=4
Step-by-step explanation:
If x equals 2 then you just do basic math to find out what y equals.
Which structures are single celled organisms least likely to use for movement?
A. Cilia
B. Flagella
C. Pseudopodia
D. Vacuoles
Answers
Single-celled organisms are least likely to use vacuoles for movement.
Single-celled organisms employ various structures for movement, including cilia, flagella, and pseudopodia. Cilia are small, hair-like structures that beat rhythmically to create movement. Flagella are whip-like structures that rotate or undulate to propel the organism. Pseudopodia, also known as "false feet," are temporary extensions of the cell membrane that allow the organism to crawl or engulf prey.
Vacuoles, on the other hand, are not typically used for movement in single-celled organisms. Vacuoles are membrane-bound sacs found in cells that play a role in storing substances such as water, nutrients, or waste products. While vacuoles perform important functions like maintaining cell turgor pressure and regulating osmotic balance, they are not directly involved in the locomotion or movement of the organism.
Therefore, among the given options, vacuoles (option D) are the structures least likely to be used by single-celled organisms for movement.
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A recipe for macaroni and cheese calls for 16 oz of shredded cheese the recipe serves two people jack wants to feed 7 people how many ounces of cheese should he use
Answers
Answer:
56
Step-by-step explanation:
48 ounces would feed 6 people and if 16 oz is for two people than 8 oz is for one person. So, 48 plus 8 is 56.
A cube-shaped box has a volume of 64 cubic inches.
If the box is packed full of cubes with edge lengths of 1 inch, how many cubes can fit along one side of the box?
2 cubes
4 cubes
8 cubes
16 cubes
Answers
4x4x4= 64 cubic inches
So the answer is 4 cubes
I Need Help With This Question
Answers
Answer:
Step-by-step explanation:
Dont do it. Just take the detention
1) Use the factor theorem to determine if 3x-4 is a factor of f(x)=3x^2+2x-8
2) Find the value of K so that x+6 is a factor of 6x^3+kx^2-7x-6
Answers
Step-by-step explanation:
put f(4/3)= 3(4/3)^(2) +2(4/3)-8 =0
so 3x-4 is a factor
similarly, k=35
Help me plz and I’ll give brainliest and it’s due in 20 mins
Answers
Answer:
2. c
3.
a. no
b. yes
c. yes
d. no
e. yes
I think this is right
4.
Part A;
5.4-3.1=D
Part B;
4.9+3.1=t
Part C:
1. 2.3
2. 8
I hope this helps!!!
Step-by-step explanation:
I need help and please show work
Answers
Answer:
WebMath is designed to help you solve your math problems. Composed of forms to fill-in and then returns analysis of a problem and, when possible, provides a ...
Step-by-step explanation: