Answer:
mixed
36 3/5
proper
366/10
Step-by-step explanation:
Megan buys 3 bracelets and 3 necklaces. Each bracelet costs $3. Megan pays the cashier $40 and gets $4 in change. Which equation could be used to find the cost, n, of one necklace?
Answer:
8.3
Step-by-step explanation:
40-4=36
3x3=9
36-9=25
25/3 = 8.3
x=7
Step-by-step explanation:
130 The perimeter of the sector is 1m. Find the length of y, the radius of the circle.
Answer: 16.63 cm
Step-by-step explanation:
The length of the arc = \(\frac{360-130}{360}\) * 2\(\pi\)y = \(\frac{23}{18}\)\(\pi\)y
The perimeter = \(\frac{23}{18}\)\(\pi\)y + y + y = y(\(\frac{23}{18}\)\(\pi\) + 1 + 1) = 6.01y = 1 m
y = 16.63 cm
determine whether the random variable described is discrete or continuous. a) the number of songs on a randomly chosen ipod [ select ] b) the number of people in line at the bank at a randomly chosen time [ select ] c) the time it takes to drive to the airport [ select ] d) the amount of rain during the next thunderstorm [ select ]
The variables for this problem are classified as follows:
a) The number of songs on a randomly chosen ipod is discrete.
b) The number of people in line at the bank at a randomly chosen time is discrete.
c) The time it takes to drive to the airport is continuous.
d) The amount of rain during the next thunderstorm is continuous.
What are continuous and discrete variables?Variables are classified as continuous or discrete depending if they can assume decimal values, as follows:
Continuous variables: Can assume decimal values.Discrete variables: Assume only countable values, such as 0, 1, 2, 3, …More can be learned about discrete and continuous variables at https://brainly.com/question/3130222
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A contract requires lease payments of $800 at the beginning of every month for 8 years. a. What is the present value of the contract if the lease rate is 3.75% compounded annually? Round to the neares
Answer: present value of the contract is approximately $68,126.
To calculate the present value of the contract, we can use the formula for the present value of an annuity.
The formula is:
PV = PMT × [(1 - (1 + r)^-n) / r]
Where:
PV = Present value
PMT = Lease payment per period
r = Interest rate per period
n = Number of periods
In this case, the lease payment per period is $800, the interest rate is 3.75% (or 0.0375 as a decimal), and the number of periods is 8 years (or 96 months since there are 12 months in a year).
Plugging these values into the formula:
PV = $800 × [(1 - (1 + 0.0375)^-96) / 0.0375]
Calculating this expression will give us the present value of the contract. Rounding to the nearest whole number:
PV ≈ $68,126
Therefore, the present value of the contract is approximately $68,126.
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trigonometry, pleaseeeee help thank you
Answer:
3.2
Step-by-step explanation:
Answer: 3.3
Step-by-step explanation: To find x(adjacent)we need to know the length of the opposite ,and to do so we use the dimensions of the larger triangle,let's say A.
So using SOHCAHTOA
Sin=opposite÷hypotenus . Meaning
Opposite =hypotenus×sin
=9×sin31°
=4.635... which is rounded to 4.64.
Finding x
From tan=opposite÷adjacent
adjacent=opposite÷tan
=4.64÷tan55°
=3.2489.... which is rounded to 3.3
What is a vehicle registration?
- A notification that keeps track of how many miles you drive.
✅A notification with your state that logs your vehicle’s important data to keep records of cars bought and sold.
- A certificate proving that you can drive.
- A test your car goes through in order to be safe to drive.
Answer:
The answer is the second one: A notification with your state that logs your vehicle’s important data to keep records of cars bought and sold.
Step-by-step explanation:
Jenny works at a video store. She earns
$6.25 an hour plus $6 for each
membership she sells.
Write a formula that will help Jenny
determine how much she will earn in one
week.
Let's let
a = total amount earned
h = hours worked in one week
b = number of memberships sold in one week
Answer:
You're answer would be 6.25h+6b=a
Which of the six trigonometric functions has a period of \(2\pi\) and passes through the point \((\pi, 0)\)?
Answer:
i need points rq thanks so much
Step-by-step explanation:
imma go waste these points now
Answer:
x
Step-by-step explanation:
Elliott has some yarn that she wants to use to make hats and scarves. Each hat uses 0.2 kilograms of yarn and each scarf uses 0.1 kilograms of yarn. Elliott wants to use twice as much yarn for scarves as for hats, and she wants to make a total of 20 items. Let h be the number of hats Elliott makes and s be the number of scarves she makes. Which system of equations represents this situation? Choose 1 answer:
Answer:
The yarn used by h number of hats and The yarn used by s number of scarf. hence, the system of equations which represents the situation are:
(1) h+8=20
(2) 4xh=1
Step-by-step explanation:
.1428 rounded to the nearest thousandth
Rounding a number means changing its value to a number that is closer to a certain level of precision or a certain place value. When we round a number, we usually specify the level of precision or place value that we want the rounded number to have. For example, we might want to round a number to the nearest whole number, to the nearest tenth, or the nearest thousandth.
The process of rounding involves looking at the digit in the place value that we want to round to and using the digit to the right of it to determine whether to round up or down.
Rules of Rounding:
If the digit to the right of the place we are rounding to is 5 or greater, we round up. If the digit to the right of the place we are rounding to is less than 5, we round down.The place values to the right of the decimal point, or the right of one's place in number, are called decimal places. The decimal places are numbered starting from the tenth place, which is one place to the right of the decimal point. The next place to the right is the hundredth place, followed by the thousandth place, and so on.
The third place to the right of zero is the thousandth place. When rounding to the nearest thousandth we have to look at the fourth decimal place to see whether it must be rounded up or down. The fourth digit is an 8 which is greater than 5. So we must round the thousandth place up.
This gives us 0.143, rounded to the nearest thousandth.
1440 saplings were collected by the students of a class for planting on the World Environment Day. The saplings were to be planted in rows and columns such that the number of rows was equal to the number of columns. Find the number of rows if there was a shortfall of 4 saplings.
(kindly show the written solution.
Let the number of rows be x. Then the number of columns will also be x since the problem states that the number of rows is equal to the number of columns.
We know that the total number of saplings collected is 1440. Therefore, the total number of saplings planted will be:
x * x = x^2
However, there was a shortfall of 4 saplings, which means that only 1440 - 4 = 1436 saplings were actually planted. Therefore, we can write:
x^2 = 1436
To solve for x, we take the square root of both sides:
x = sqrt(1436)
Using a calculator, we get:
x ≈ 37.9
Since x must be a whole number (the number of rows and columns cannot be a decimal), we round x down to the nearest integer to get:
x = 37
Therefore, there were 37 rows of saplings planted by the students.
The temperature '
was
13 F and
then rose 9 F.
Answer:
22 F
Step-by-step explanation:
13+9 = 22
22 F
Answer:
22 F
Step-by-step explanation:
13+9= 22
which of the following terminating decimals is equivalent to -1 3\4
Answer:
Step-by-step explanation:
-1 3/4 = -1.75.
Low Carb Diet Supplement, Inc., has two divisions. Division A has a profit of $230,000 on sales of $2,120,000. Division B is able to make only $34,700 on sales of $381,000.
Compute the profit margins (return on sales) for each division. (Input your answers as a percent rounded to 2 decimal places.)
Division A= ______%
Division B= ______%
___________________________________________________________________________________________________________________________________________________
Polly Esther Dress Shops Inc. can open a new store that will do an annual sales volume of $1,220,400. It will turn over its assets 2.7 times per year. The profit margin on sales will be 7 percent.
What would net income and return on assets (investment) be for the year? (Input your return on assets answer as a percent rounded to 2 decimal places.)
Net Income=
Return on Assets= __________ %
The profit margins (return on sales) for each division are approximately :Division A = 10.85%,Division B = 9.11% and The calculations for the year would be:Net Income = $85,428,Return on Assets = 18.9%.
To compute the profit margins (return on sales) for each division, we divide the profit by the sales and multiply by 100 to express the result as a percentage.
For Division A:
Profit Margin = (Profit / Sales) * 100
Profit Margin = ($230,000 / $2,120,000) * 100
Profit Margin ≈ 10.85%
For Division B:
Profit Margin = (Profit / Sales) * 100
Profit Margin = ($34,700 / $381,000) * 100
Profit Margin ≈ 9.11%
To calculate the net income and return on assets for Polly Esther Dress Shops Inc., we use the given information.
Net Income = Profit Margin * Sales
Net Income = 7% * $1,220,400
Net Income = $85,428
Return on Assets = Profit Margin * Asset Turnover
Return on Assets = 7% * 2.7
Return on Assets = 18.9%
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helppppif fd = 20 units and de = 52 units, what is the value of b? round the solution to the nearest hundredth.
Answer: The value of b is 22.62
Step-by-step explanation: 20 is the opposite of b, 52 is the hypotenuse. Because we're given the opposite and hypotenuse, we have to use sine. So....
sin b=20/52
sin b = 0.38461538461
then using inverse of sine, the equation would be sin^-1(0.38461538461)
by putting that into the calculator you get 22.61986495 (aka 22.62)
Based on the triangle inequality theorem, if fd = 20 units and de = 52 units, the value of b is approximately 71 units.
To find the value of b, we can use the triangle inequality theorem. According to this theorem, the sum of the lengths of any two sides of a triangle must be greater than the length of the remaining side.
In this case, we have fd = 20 units and de = 52 units. Let's assume that b is the length of the remaining side.
Using the triangle inequality theorem, we can write the following inequality:
fd + de > b
Substituting the given values, we get:
20 + 52 > b
72 > b
Therefore, the value of b must be less than 72 units.
To round the solution to the nearest hundredth, we can round down to the nearest whole number, which is 71.
So, the value of b is approximately 71 units.
In conclusion, based on the triangle inequality theorem, if fd = 20 units and de = 52 units, the value of b is approximately 71 units.
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15 and up my remind code is
4k6bg89 if you wanna hangout I live in Atlanta Georgia
Answer:
that's a bit too far away haha
Answer:
oof that sucks i live in cali
Step-by-step explanation:
Find the curvature of r(t)=⟨25t^2 ,50t,25ln(t)⟩ when t=1. Enter an exact answer. Provide your answer below: κ=
The curvature of the vector function r(t) at t = 1 is (κ =) sqrt(401)/200
The curvature κ of a vector function r(t) is given by the formula:
κ = |r'(t) × r''(t)| / |r'(t)|^3
where × denotes the cross product.
We are given r(t) = <25t^2, 50t, 25 ln(t)> and we need to find the curvature when t = 1.
First, we find the first two derivatives of r(t):
r'(t) = <50t, 50, 25/t>
r''(t) = <50, 0, -25/t^2>
Then, we evaluate these derivatives at t = 1:
r'(1) = <50, 50, 25>
r''(1) = <50, 0, -25>
Taking the cross product of r'(1) and r''(1), we get:
r'(1) x r''(1) = <1250, 3125, -2500>
Taking the magnitudes of r'(1) and r''(1), we get:
|r'(1)| = sqrt(50^2 + 50^2 + (25/1)^2) = sqrt(5000)
|r''(1)| = sqrt(50^2 + (-25/1)^2) = 5sqrt(401)
Substituting these values into the formula for curvature, we have:
κ = |r'(1) x r''(1)| / |r'(1)|^3
= |<1250, 3125, -2500>| / (sqrt(5000))^3
= 5sqrt(401) / 1000
= sqrt(401) / 200
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There are 135 people in a sport centre.
77 people use the gym.
62 people use the swimming pool.
65 people use the track.
27 people use the gym and the pool.
23 people use the pool and the track.
31 people use the gym and the track.
4 people use all three facilities.
Given that a randomly selected person uses the gym and the track, what is the probability they do not use the swimming pool?
The probability that they do not use the swimming pool will be 0.2.
How to calculate the probability?From the information given, there are 135 people in a sport centre and 31 people use the gym and the track while 4 people use all three facilities.
Based on the information given, the people who use the gym and the track only will be:
= 31 - 4
= 27
The probability that they do not use the swimming pool will be:
= 27/135
= 0.2
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A rectangle has width 65 mm and length 72 mm What is the area of the rectangle in cm2 ?
Answer:
Step-by-step explanation:
Area of rectangle: l×b
Length = 72mm
= 7.2cm
Breadth = 65mm
= 6.5cm
(We know that 10mm = 1cm)
Area = 7.2×6.5
= 46.8cm²
The area of the rectangle is 46.8cm²
Must click thanks and mark brainliest
Answer:
area of a rectangle is (l×w)
Step-by-step explanation:
1cm=10mm
hb65mm
1cm×65mm
allover10mm
=6.5cm
do the same to 72mm to get 7.2cm
you then say 6.5cm×7.2cm
=46.8cm2
hope this helps
A student is taking a science course in which there will be four test, each worth 100 point. The student has a score of 91, 93, and 95 on the first three test. The student must make a total of at least 360 in order to get an A. What scores on the test will give the student an A.
Answer: 81 is the answer but it says what scores so you might be able to put 81 and above for example 82 83 84 and so on.
Step-by-step explanation:
If you add 91 93 and 95 you should get 279 then subtract 279 from 360 which will get u the answer which is 81 simple right now please giva a thanks like and rating if you found this helpful.
a bag of chocolates is labeled to contain 0.384 pounds of chocolate. the actual weight of the chocolates is 0.3798 pounds. how much lighter is the actual weight?
The actual weight is 0.0042 pounds lighter than the labeled weight.
The actual weight of the chocolates is 0.3798 pounds, while the label on the bag states it should weigh 0.384 pounds. To determine how much lighter the actual weight is, we can calculate the difference between the two weights.
Subtracting the actual weight from the labeled weight, we get:
0.384 pounds - 0.3798 pounds = 0.0042 pounds.
Therefore, the actual weight is 0.0042 pounds lighter than the labeled weight.
It's important to note that this difference may seem small, but it can be significant depending on the context. Accuracy in labeling is crucial for various reasons, such as complying with regulations, providing precise information to consumers, and ensuring fair trade practices. Even minor discrepancies can impact trust and customer satisfaction.
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deduce that no matter how the two dice are biased, the numbers 2, 7, and 12 cannot be equally likely values for the slim. in particular, the sum cannot be uniformly distributed on the numbers from 2 to 12. g
We know that no matter how the two dice are biased, the numbers 2, 7, and 12 cannot be equally likely values for the sum. In particular, the sum cannot be uniformly distributed on the numbers from 2 to 12.
Explanation:
When we roll a fair die (i.e. an unbiased die), the probabilities of getting any one of the six possible numbers {1, 2, 3, 4, 5, 6} are equal to 1/6 each. But, when we use a biased die, the probabilities of getting any of the six possible numbers will no longer be equal. Some numbers will be more likely to occur, while others will be less likely to occur
For example:
if one of the dice has a weight in such a way that it always rolls a 6, then the probability of getting a sum of 2 will be zero, the probability of getting a sum of 7 will be 1/6, and the probability of getting a sum of 12 will be zero.However, if the dice are biased in some other way, we can still get non-zero probabilities for the sums of 2, 7, and 12. But, the probability of getting those three sums will not be the same. For instance, if one die is biased to always roll a 1, and the other die is biased to always roll a 6, then the probabilities of getting each of the sums 2, 7, and 12 are as follows:
P(2) = P(1, 1) = (1/6)² = 1/36
P(7) = P(1, 6) + P(6, 1) + P(2, 5) + P(5, 2) + P(3, 4) + P(4, 3) = 6(1/6)(1/6) = 1/6P(1
2) = P(6, 6) = (1/6)² = 1/36
So, the probability of getting a sum of 7 is six times as likely as getting a sum of 2 or 12. Therefore, the sum cannot be uniformly distributed on the numbers from 2 to 12.
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A rock is dropped from a height of 1010 feet. The height of the rock is modeled by the graph shown. is the height of the rock 0.50.5 seconds after being dropped? The height of the rock 0.50.5 seconds after being dropped is feet. Part B To the nearest tenth of a second, how many seconds after being dropped does the rock hit the ground? The rock hits the ground approximately seconds after being dropped.
A) The height 0.5 seconds after being dropped, the height of the rock is 6 feet.
B). The rock hits the ground approximately 0.8 seconds after being dropped.
What is a slope?In mathematics, a line's slope, also known as its gradient, is a numerical representation of the line's steepness and direction.
Given:
The graph shows the relationship between the height of the rock after t seconds.
The initial height of the rock, while dropping is 10 feet.
From the diagram:
A) The height 0.5 seconds after being dropped, the height of the rock is 6 feet.
B). The rock hits the ground approximately 0.8 seconds after being dropped.
Therefore, A = 6 feet and B = 0.8 seconds.
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The complete question:
A rock is dropped from a height of 10 feet. The height of the rock is modeled by the graph shown.
Part A
What is the height of the rock 0.5 seconds after being dropped?
The height of the rock 0.5 seconds after being dropped is __ feet.
Question 2
Part B
To the nearest tenth of a second, how many seconds after being dropped does the rock hit the ground?
The rock hits the ground approximately ___ seconds after being dropped.
The graph is given in the image below.
I need help with things ill give u points
Answer:
012
Step-by-step explanation:
please mark brainliest if correct
mo played 30 games of chess he won 18 of these games what fraction of the games did he win give your answer in its simplest form
Answer:
18/30
Step-by-step explanation:
Jacob is designing a new board game, and is trying to figure out all the possible
outcomes. How many different possible outcomes are there if he flips a coin and
spins a spinner with three equal-sized sections labeled Walk, Run, Stop?
Using the Fundamental Counting Theorem, it is found that 6 different possible outcomes are there.
What is the Fundamental Counting Theorem?It is a theorem that states that if there are n things, each with \(n_1, n_2, \cdots, n_n\) ways to be done, each thing independent of the other, the number of ways they can be done is:
\(N = n_1 \times n_2 \times \cdots \times n_n\)
In this problem:
For the coin, there are two outcomes, hence \(n_1 = 2\).For the spinner, there are three outcomes, hence \(n_2 = 3\).Then, the number of outcomes is given by:
N = 2 x 3 = 6.
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The table shows the air temperature in degrees Celsius at different altitudes in kilometers:
Altitude (kilometers) 1 2 3 4 5 6 7 8 9
Temperature (degrees Celsius) 8.5 2 −4.5 −11 −17.5 −24 −30 −37 −43.5
Which scatter plot best represents the data in the table?
Answer:
Third graph, I took the test
Step-by-step explanation:
Answer:
C. The third graph on the test
Step-by-step explanation:
Got this one correct myself on my statistics practice quiz!
Hope this helps you pass it! ●‿●
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(6.6 × 10⁰) + (7.8 × 10²)
Answer:
786.6
Step-by-step explanation:
Anything to the ^0 is 1 so its 1 x 6.6 + 100 x 7.8
6.6 + 780
786.6
Answer:
786.6
Step-by-step explanation:
Problem:
(6.6 × 10⁰) + (7.8 × 10²)
Step 1 - Parenthesis:
(6.6 × 10⁰) + (7.8 × 10²)
Step 2 - Exponents(Left to Right):
(6.6 × 10^0) + (7.8 × 10^2) = (6.6 × 1) + (7.8 × 100)
Step 3 - Multiply(Left to Right):
(6.6 × 1) + (7.8 × 100) = 6.6 + 780
Step 4 - Add(Left to Right)
6.6 + 780 = 786.6
Step 5 - Answer:
786.6
Remember:Parenthesis
Exponents(Left to Right)
Multiplication(Left to Right)
Division(Left to Right)
Addition(Left to Right)
Subtraction(Left to Right)
Country Carpets charges $25 per square yard for carpeting and an additional installation fee of $120. City carpets charges $35 per square yard for the same carpeting and an additional installation fee of $80. Write and solve an equation to find the number of square yards of carpeting for which the total cost charged by the two companies will be the same.
Answer:
Step-by-step explanation:
25x+120=35x+80
25x+120 is Country Carpets equation
35x+80 is City carpets equation
x=4
Rearrange the equation by subtracting what is to the right of the equal sign from both sides of the equation :
25*x+120-(35*x+80)=0
Pull out like factors :
-10x + 40 = -10 • (x - 4)
Solve : -10 = 0
Solve : x-4 = 0
Add 4 to both sides of the equation :
x = 4
I will Mark BRAINLIST!!! Please Help its A Math Question!!!! Determine the approximate value of x using basic trigonometry.
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