In the circle, ratio of diameter to radius
d:r-I

Answers

Answer 1

Answer:

???

Step-by-step explanation:

d = 2r

so the diameter is twice the radius

2r : r  = d : r

i guess?


Related Questions

In circle X, if m∠QST = 71°, and mRS⌢ = 46°, find each measure. You will not use all of the answers.
mQT⌢ =

m∠RTS =

m∠RQS =

mRQ⌢ =

mST⌢ =

m∠RSQ =

answer choices : 23, 142 , 10 , 46, 23 , 142, 180 , 38 , 134
help meeee plss

In circle X, if mQST = 71, and mRS = 46, find each measure. You will not use all of the answers.mQT =

Answers

Answer:

142,180 and 10 and 23 and that it

how to tell if a limit approaches positive or negative infinity

Answers

The approaches of the limits are given as follows:

Negative infinity: graph points down.Positive infinity: graph points up.

What is the end behavior of a function?

The end behavior of a function refers to how the function behaves as the input variable approaches positive or negative infinity.

Hence, if the function increases indiscriminately, with the graph pointing up, we have that the limits approaches positive infinity, while if the function decreases indiscriminately, with the graph pointing down, we have that the limits approaches negative infinity.

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X
Work out the mean for the data set
below:
6.8, 5.7, 0.8, 4.7, 1.3
Give your answer as a decimal.

Answers

The average (mean) is equal to the sum of all the data values divided by the count of values in the data set.

Average = Sum / Count
= 19.3 / 5
= 3.86

At the end of a snow storm, Gavin saw there was a lot of snow on his front lawn. The temperature increased and the snow began to melt at a steady rate. There was a depth of 10 inches of snow on the lawn when the storm ended and then it started melting at a rate of 0.5 inches per hour. Make a table of values and then write an equation for S,S, in terms of t,t, representing the depth of snow on Gavin's lawn, in inches, tt hours after the snow stopped falling.

Answers

Answer:

s (t) = 12 - 0.75t

Step-by-step explanation:

Given: The snow started melting at a rate of 0.75 inches per hour and it is known that 4 hours  after the storm ended, after the storm ended, the depth of snow was down to 9 inches.

Snow melted in 4 hours =

Initial depth of snow = 9 + 3 inches = 12 inches.

Now, depth of snow on Tristan's lawn = Initial depth -0.75(Number of hours)

Let S(t) be the depth of snow on Tristan's lawn, in inches, t hours after the snow stopped falling.

can someone plz help me with 37 × 102 = ​

Answers

Answer: 3774

Step-by-step explanation:

Answer:

3774

Step-by-step explanation:

102*37= 3774

You will receive $500 per year forever starting from 5 -year from today, what is the value of this perpetuity today with 8% of annual interest rate? 3997.34 4125.25 4593.94 5000

Answers

The value of the perpetuity today, with an annual interest rate of 8%, is $4,125.25.

To calculate the present value of a perpetuity, we can use the formula: Present Value = Cash Flow / Interest Rate.

In this case, the cash flow is $500 per year, and the interest rate is 8% (or 0.08 in decimal form). Plugging these values into the formula, we get: Present Value = $500 / 0.08 = $6,250.

However, this calculation gives us the present value of the perpetuity starting from today. Since the payments start 5 years from today, we need to discount the value by the present value of $1 received 5 years from today.

Using the formula for the present value of a single amount, we find that the present value of $1 received 5 years from today, with an 8% interest rate, is approximately 0.6806.

To calculate the present value of the perpetuity starting 5 years from today, we multiply the present value of $6,250 by the discount factor of 0.6806: Present Value = $6,250 * 0.6806 ≈ $4,250.25.

Therefore, the value of the perpetuity today, with an 8% annual interest rate and payments starting 5 years from today, is approximately $4,125.25.

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In a local election, 29,000 people voted. This was a decrease of 5% over the last electionHow many people in the last election? Round to the nearest whole number

Answers

Answer:

27850

Step-by-step explanation:

5% of 29,000=1450

2900-1450=27850

Brainliest pls! Help me out

I WILL NAME BRAINLYIST RIGHT AWAY
A scientist uses a submarine to study ocean life.
• She begins 164 feet below sea level.
• After traveling down for 8 seconds, she's 233 feet below sea level.
Find the rate of change in the submarine's elevation in feet per second. Round your
answer to the nearest tenth.

Answers

Answer: 8.6

Step-by-step explanation:

Formulate (233-164)/8

Calculate 69/8

round 69/8 = 8.6

A shopper bought a 12 pound bag of orange for $18.72. How much did it cost per pound

A shopper bought a 12 pound bag of orange for $18.72. How much did it cost per pound

Answers

Answer:

$1.56 per pound

Step-by-step explanation:

18.72/12 = 1.56

GENERAL INSTRUCTIONS: ENTER YOUR ANSWER WITHOUT THE $ SIGN AND COMMA, BUT FORMATTED IN DOLLARS ROUNDED TO THE NEAREST DOLLAR, for instance if you compute $777,342,286.6478 then ENTER 777342287 AS YOUR ANSWER. DO NOT ROUND IN YOUR CALCULATION STEPS (use calculator memory functions) TO AVOID ROUNDING ERRORS. There is a little bit of tolerance built into accepting/rejecting your answer, but if you round in your intermediate calculations you may be too far off.

Nuevo Company has decided to construct a bridge, to be used by motorists traveling between two cities located on opposite sides of the nearby river. The management is still uncertain about the most appropriate bridge design. The most recently proposed bridge design is expected to result in the following costs. The construction cost (first cost) is $9,000,000. Annual operating cost is projected at $700,000. Due to the very long expected life of the bridge, it is deemed best to assume an infinite life of the bridge, with no salvage value. Compute the combined present worth of the costs associated with the proposal, assuming MARR of 12%. Note: do not include negative sign with your answer

Answers

The combined present worth of the costs associated with the proposed bridge design, including construction and annual operating costs, is $10,583,333.

To calculate the combined present worth of costs, we need to consider the construction cost and the annual operating cost over the infinite life of the bridge. We will use the concept of present worth, which is the equivalent value of future costs in today's dollars.

The present worth of the construction cost is simply the initial cost itself, which is $9,000,000. This cost is already in present value terms.

For the annual operating cost, we need to calculate the present worth of perpetuity. A perpetuity is a series of equal payments that continue indefinitely. In this case, the annual operating cost of $700,000 represents an equal payment.

To calculate the present worth of the perpetuity, we can use the formula PW = A / MARR,

where PW is the present worth, A is the annual payment, and MARR is the minimum attractive rate of return (also known as the discount rate). Here, the MARR is given as 12%.

Plugging in the values, we have PW = $700,000 / 0.12 = $5,833,333.

Adding the present worth of the construction cost and the present worth of the perpetuity, we get $9,000,000 + $5,833,333 = $14,833,333.

However, since we are looking for the combined present worth, we need to subtract the salvage value, which is zero in this case. Therefore, the combined present worth of the costs associated with the proposed bridge design is $14,833,333 - $4,250,000 = $10,583,333, rounded to the nearest dollar.

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You are a mathematics instructor tasked with creating a short guide on conversions for your students. Write about conversions - what are they used for, and how? Provide a guide-like booklet explaining the types of conversions that exist and their uses and applications. Highlight the different types of conversions (weights, distances, currencies - for example) - define the different types within each "type" and explain the applications and method of conversion for each. Reflection: In your opinion, given the advancement of technology and the availability of online convertors - is it necessary/useful to learn how to convert? Whether it's currencies while you are travelling or measurements when you are buying furniture - is there an added value to this skill? Justify.

Answers

Conversions play a crucial role in everyday life, enabling us to express quantities in different units and make comparisons across various systems of measurement.

Weight Conversions

By mastering the art of conversions, you will gain a valuable skill that can be applied to a wide range of real-life scenarios

1.1. Metric System:

Kilogram (kg)

Gram (g)

Milligram (mg)

Microgram (μg)

1.2. Imperial System:

Pound (lb)

Ounce (oz)

Stone (st)

Ton (t)

Weight conversions are essential in various fields such as cooking, scientific experiments, fitness, and transportation. For instance, when following a recipe, you may need to convert between grams and ounces, or when shipping goods, you might need to convert kilograms to pounds.

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The position of a swimmer below sea level is represented by –5 meters. The diver descends an additional 3 meters below sea level. Which expression describes the new position of the diver? Negative 5 + (negative 3) Negative 5 + 3 5 + (negative 3) 5 + 3 Mark

Answers

Answer:

The answer is -5 + (-3).

Step-by-step explanation:

Answer:

-5 is the original position

The swimmer descends 3 meters, so we subtract 3 or add -3. Thus, the answer is:

-5 + (-3)

WILL REWARD BRAINLIEST PLS HELP ASAP Find the total surface area.

WILL REWARD BRAINLIEST PLS HELP ASAP Find the total surface area.

Answers

The surface area of the rectangular prism is 88 square inches.

Given that:

Length, L = 6 inches

Width, W = 2 inches

Height, H = 4 inches

Let the prism with a length of L, a width of W, and a height of H. Then the surface area of the prism is given as

SA = 2(LW + WH + HL)

SA = 2(6 x 2 + 2 x 4 + 4 x 6)

SA = 2 (12 + 8 + 24)

SA = 2 x 44

SA = 88 square inches

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The graph shows a system of equations:

Draw a line labeled y equals x plus 4 by joining the ordered pairs negative 4, 0 and 1, 5. Draw a line labeled 3 times y equals minus 2 x plus 2 by joining the ordered pairs negative 2, 2 and 4, negative 2.

What is the solution to the system of equations?

(−2, 2)
(2, 2)
(2, −2)
(−2, −2)

Answers

Answer:

I'm putting C but I'm not sure ill let you know if its right after the test

Step-by-step explanation:

Answer:

Its A-   (-2,2)

Because the solution is where the two lines collide and meet. :)

Use a formula to find the surface area of the square pyramid?(H.6ft.)(W.3ft.)(L.3ft.)
A. 45 ft
B. 81 ft
C. 36 ft
D. 72 ft

Answers

The surface area of the square pyramid is 45.

What is the formula for square pyramids?A square pyramid in geometry is a pyramid with a square base. It is a right square pyramid with C4v symmetry if the apex is perpendicular to and above the square's centre. It is an equilateral square pyramid, the Johnson solid J1, if all edge lengths are equal.The term "square pyramid" refers to a three-dimensional geometric form with a square base and four triangular faces or sides that meet at a single point (known as the vertex). Because it has five faces, it is referred to as a pentahedron.These are the Square Pyramid formulas: Square Pyramid Base Area = b. A square pyramid's surface area is equal to 2 b s + b. A square pyramid's volume is equal to frac (1/3) b2 h.

Given data :

H = 6ft.)

W = 3ft

L = 3ft.

2 × b × s +b. Volume of a Square Pyramid

= 45ft

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3y=4y 3 squared please my math homework is due next class

Answers

Answer:

y=0

Step-by-step explanation:

3y = 4y 3^2

By subtracting 4y from both side you end up with:

-1y = 3^2

By simplifying things out you get:

-y = 9

Flip the signs to get:

y = -9

3. Park rangers have been recording the number of black bear cubs born in a national preserve over (1 point)
the past 100 years. According to the following table, what is the estimated probability that there
will be more than 100 black bear cubs born in any given year?
Number of Cubs Born in a Year
0-25
26-50
51-75
76-100
101-125
126-150
151-175
Frequency
3
6
18
32
24
10
7
A 59%
B 34%
C 24%
D 41%

Answers

The estimated probability that there will be more than 100 black bear cubs born in any given year is 41%. Option D. is the answer

How to determine the probability of more than 100 black bear cubs born in any given year?

Probability is the likelihood of a desired event happening.

Experimental probability is a probability that relies mainly on a series of experiments or past events

Given: from the table, the sum of the frequency for more than 100 cubs (i.e. 101-125, 126-150 and 151-175) is:

Sum of frequency of more than 100 = 24 + 10 + 7 = 41

Total frequency (for everything) = 100

Probability of more than 100 = 41/100 = 41%

Thus, the probability of more than 100 black bear cubs is 41%

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suppose that accidents occur at a rate of 1 per hour from 3-5pm and 6-7pm, and 4 per hour from 5-6pm as poisson process. (a) what is the probability that there are less than 2 accidents occur between 3-7pm? (b) suppose that on day 1, there was an accident at 3pm and on day 2, at 5pm. what is the probability that the next accident occurred within 30 minutes on both days?

Answers

(a) The probability that there are less than 2 accidents occur between 3-7pm is 0.2465.

(b) The probability that the next accident occurred within 30 minutes on both days is 0.1358.

Suppose that accidents occur at a rate of 1 per hour from 3-5pm and 6-7pm, and 4 per hour from 5-6pm as Poisson process.

(a) We have to determine the probability that there are less than 2 accidents occur between 3-7pm.

We may use the Poisson distribution to determine the likelihood that there would be less than two accidents between 3 and 7 pm.

The total of the rates for each individual hour represents the rate of accidents during this time period, which is

= 1 + 1 + 4 + 1

= 7 accidents per hours

So the Poisson variable λ = 7

So the probability that there are less than 2 accidents occur between 3-7pm is:

P(X < 2) = P(X = 0) + P(X = 1)

P(X < 2) = \(e^{-7}\) × (7^0/0!) + \(e^{-7}\) × (7^1/1!)

After simplifying

P(X < 2) = 0.2465

(b) Suppose that on day 1, there was an accident at 3pm and on day 2, at 5pm, then we have to determine the probability that the next accident occurred within 30 minutes on both days.

Since accidents occur in a Poisson process, we may use the Poisson distribution to determine the likelihood that an accident will occur within the next 30 minutes.

Since there are 4 accidents every hour between 5 and 6 o'clock, the likelihood that one will happen in the next 30 minutes is:

P(X = 1) = \(e^{-1}\) × (1^1 / 1!)

P(X = 1) = 0.3679

The likelihood that the following event will occur within 30 minutes on both days would thus be

= 0.3679 × 0.3679

= 0.1358

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Classify each number below as a rational number or an irrational number.

Classify each number below as a rational number or an irrational number.

Answers

Answer:

i think the answer is rational, rational, rational , and irrational

Step-by-step explanation:

in that order i think

Kyle is a satellite radio sales representative. He receives 7% commission on all sales. If
the total sales for the year were $345,000, what would his commission be?

Answers

Answer:

24,150

Step-by-step explanation:

7% of 345,000 = 24,150

hey can someone pls help me asap

hey can someone pls help me asap

Answers

Answer:

non-Proportional

Step-by-step explanation:

It doesn't go through the origin (0,0)

Sure! What grade are you in?

Instructions: Given the following image of two parallel lines cut by transversal, find the value of x​

Instructions: Given the following image of two parallel lines cut by transversal, find the value of x

Answers

Alternating Angles
33x+3=135
X=4

a water tank is shaped like a vertical circular cylinder. initially, the tank is 12.0 ft deep in water when a hole is opened (at time, ) in the bottom of the tank. after 1 hour the depth of water in the tank has dropped to 9.0 ft. how long will it take for all the water to drain from the tank?

Answers

it take for all the water to drain from the tank is 1 hour 11 min 26 sec for a water tank is shaped like a vertical circular cylinder

Using the Bernoulli's laws to use the conserved energy

Solve the speed and the radio of this speed of the tank is open to the air

p₀ + ρgh₀ + ½ρv₀² = p₁ + ρgh₁ + ½ρv₁²

5000Pa + 1000kg/m³ * 9.8m/s² * 0.800m + 0 = 0 + 0 + ½ * 1000kg/m³ *

v² = 25.68  m²/s²

v1 = 5.06 m/s

Because it is open the cylinder tank so P=0 pa so:

0 Pa + 1000kg/m³ * 9.8m/s² * 0.800m + 0 = 0 + 0 + ½ * 1000kg/m³ * v²

v² = 15.68  m²/s²

v2 = 3.96 m/s

The ratio on the air is solve using both velocities so:

R = v1/v2 = 5.06 m/s / 3.96 m/s

R = 1.27

Now to find the time it takes for the tank to drain if the tank is open to the air

dh/dt = -u

dh/dt = -v * A/A'

dh/dt = v*(.02m)²/(2.0m)² = -v / 10000

and we can further substitute for v:

dh/dt = -(1/1e4)*√[(p+9800h)/500]

Solve replacing

-(1000/49)*√(49000h) = t + C

-(1000/49)*√(49000*0.8) = 0 + C

C = - 4040.6

Then when h = 0,

t = 4286 s

t = 1 hr, 11 min, 26 sec  

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I watch television from 5 o clock until half past. How long do I watch for?

Answers

Answer:

5:30

Step-by-step explanation:

Important info:

watch television from 5 o clock until Half Past.

Question to Answer:

How long did you watch.

Note:

Half of 1 Hour = 30 Minutes

Solution:

5:30

Therefore You watch television until 5:30

(50 Points!!!)

Gwen is finding the area of the shaded sector in the given circle, which has a circumference of 6 units.

Identify the step where Gwen first made an error.

A. Step 5
B. Step 6
C. Step 3
D. Step 7

(50 Points!!!)Gwen is finding the area of the shaded sector in the given circle, which has a circumference

Answers

The step in which Gwen made an error for the area of the shaded region in the circle is given by:

A. Step 5.

What is the measure of the circumference of a circle?

The circumference of a circle of radius r is given by:

C = 2π r.

For this problem, the circumference is of 6π units, hence the radius is given as follows:

6π = 2π r.

r = 6/2.

r = 3 units.

What is the area of a circle?

The area of a circle of radius r is given by pi multiplied by the radius squared, as follows:

A = πr².

The entire area of the circle englobes 360º, but we want only the area at an angle of 72º, hence it is given by:

A = (72/360) πr².

Which is where Gwen made an error, at Step 5, hence option A is correct.

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I need help with this. I do not understand it.

I need help with this. I do not understand it.

Answers

41.75 hours.

To get this answer just add all of the numbers for week 5/10.
41.75 hr ............

-3 find the value. -3 ( 2 ) ² x (4)

pls tell the answer step by step pls ​

-3 find the value. -3 ( 2 ) x (4)pls tell the answer step by step pls

Answers

(-2/3)^(-2) × x × (3/4)-3

(-3/2)^2 × x ×(4/3)^3

-3/2×-3/2×4/3×4/3×4/3×x

= 16/3 × x

= 16x/3

Must click thanks and mark brainliest

If you
toss a coin 4 times,
what
is the probability of getting at least 3 tails? Show your
work.
what
is the probability of getting exactly 3 tails? Show your
work.

Answers

Answer:

Therefore, the probability of getting at least 3 tails is 1/16 + 1/4 = 5/16 or 0.3125.

The probability of getting exactly 3 tails is just 1/4, as we calculated above.

Step-by-step explanation:

To find the probability of getting at least 3 tails when tossing a coin 4 times, we need to add the probabilities of getting 3 tails and 4 tails.

The probability of getting a tail on one toss is 1/2, and the probability of getting a head is also 1/2.

The probability of getting 4 tails is (1/2)^4 = 1/16 because there is a 1/2 chance of getting a tail on each toss, and the events are independent, so we multiply the probabilities together.

The probability of getting 3 tails is (4 choose 3) * (1/2)^4 = 4/16 = 1/4 because we need to choose which 3 tosses will be tails (this can be done in (4 choose 3) = 4 ways), and there is a 1/2 chance of each of those tosses being a tail, with a 1/2 chance of the last toss being a head.

Find the Galois groups of the following extensions: (b) Q(a): Q where a e2πi/3 =

Answers

In this problem, we are asked to find the Galois group of the extension Q(a)/Q, where a is a complex number defined as e^(2πi/3). The Galois group represents the set of automorphisms of the extension that fix the base field Q.

To find the Galois group of the given extension, we need to determine the automorphisms of Q(a) that fix the field Q. Since a is defined as e^(2πi/3), we can rewrite it using Euler's formula as a = cos(2π/3) + i sin(2π/3), which corresponds to a complex number lying on the unit circle.

Since a is a root of the polynomial x^3 - 1 = 0, the Galois group of Q(a)/Q will consist of automorphisms that permute the roots of this polynomial. In this case, the polynomial x^3 - 1 = 0 has three distinct roots: 1, a, and a^2. Therefore, the Galois group will have three elements, corresponding to the three possible automorphisms of Q(a) that fix Q.

The Galois group can be denoted as Gal(Q(a)/Q) = {σ1, σ2, σ3}, where σ1 is the identity map, σ2 sends a to a^2 and a^2 to a, and σ3 sends a to 1 and 1 to a^2. These automorphisms preserve the field Q while permuting the roots of x^3 - 1 = 0.

In summary, the Galois group of the extension Q(a)/Q, where a is defined as e^(2πi/3), consists of three elements: the identity map and two automorphisms that permute the roots of the polynomial x^3 - 1 = 0.

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im losttt


1.4g = 4.2 , solve the equation for g.

a. g=5.2
b. g=3
c. g=2.1
d. g=4

im losttt1.4g = 4.2 , solve the equation for g.a. g=5.2b. g=3c. g=2.1d. g=4

Answers

Answer:

g=3

Step-by-step explanation:

all you had to do was divide both sides by 1.4

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