Answer:
200 Carpet and 100 Linoleum, i think
Step-by-step explanation:
If you deposit $8,000 in a bank account that pays 11% interest annually, how much will be in your account after 5 years? Do not round intermediate calculations. Round your answer to the nearest cent. $
After 5 years, the amount in your account would be approximately $13,462.55 rounded to the nearest cent.
To calculate the future value of a bank account with annual compounding interest, we can use the formula:
\(Future Value = Principal * (1 + rate)^time\)
Where:
- Principal is the initial deposit
- Rate is the annual interest rate
- Time is the number of years
In this case, the Principal is $8,000, the Rate is 11% (or 0.11), and the Time is 5 years. Let's calculate the Future Value:
\(Future Value = $8,000 * (1 + 0.11)^5Future Value = $8,000 * 1.11^5Future Value ≈ $13,462.55\)
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Lisa flips 2 fair coins.
What is the probability of obtaining two tails?
Answer:
1/4
Step-by-step explanation:
Each coin has a probability of 1/2 of landing on tails
What you do is multiply these probabilities together to get 1/4
Bryce grows a sunflower that contains 1,354 sunflower seeds. Six people share the harvested seeds. If they share the seeds equally, how many seeds will be left over?
Answer: 4 seeds will left over.
Step-by-step explanation:
Total sunflower seeds = 1354
Number of people shared sunflower seeds equally = 6
By division operation,
Number of seeds each people will get = (Total sunflower seeds) ÷ (Number of people shared seeds equally)
\(= (1354) \div (6)\)
\(=225\dfrac{4}{6}\)
Hence, each people will get 256 sunflower seeds and 4 seeds will left.
Slope of (9,4) and (7,10)
Answer: The slope of those two points would be -3
I hope this helps, and Happy Holidays! :)
Answer:
-3 ..?
Step-by-step explanation:
A company expects that the number N(x) of a product sold during a week is related to the amount spent on advertising by the function N(x)=-6x3+180x²+2250x + 13,000, where x (with 0 ≤x≤25) is the amount spent on advertising in thousands of dollars. What is the point of diminishing returns?
The point of diminishing returns is
(Simplify your answer. Type an ordered pair. Do not use commas in the individual coordinates.)
The point of diminishing returns is (20.98, 21247.3).
The point of diminishing returns occurs when the marginal cost of producing an extra unit of output exceeds the marginal revenue generated from selling that unit. Mathematically, it is the point at which the derivative of the production function equals zero and the second derivative is negative.
Given the polynomial function N(x) of degree 3, we can find the point of diminishing returns by finding the critical points where the first derivative equals zero and evaluating the second derivative at those points.
The derivative of N(x) is N'(x) = -18x² + 360x + 2250. To find the critical points, we set N'(x) = 0:
0 = -18x² + 360x + 2250
Dividing by -18 simplifies the equation:
0 = x² - 20x - 125
Using the quadratic formula, we find the solutions to the equation:
x₁,₂ = (20 ± √(20² - 4(1)(-125))) / 2(1)
x₁,₂ = 10 ± 5√5
Thus, the two critical points of N(x) are at x = 10 - 5√5 and x = 10 + 5√5.
To determine the point of diminishing returns, we evaluate the second derivative N''(x) = -36x + 360 at these critical points:
N''(10 - 5√5) = -36(10 - 5√5) + 360 ≈ -264.8
N''(10 + 5√5) = -36(10 + 5√5) + 360 ≈ 144.8
From the evaluations, we find that N''(10 + 5√5) is negative while N''(10 - 5√5) is positive. Therefore, the point of diminishing returns corresponds to x = 10 + 5√5.
To find the corresponding y-coordinate (N(10 + 5√5)), we can substitute the value of x into the original function N(x).
Hence, the point of diminishing returns is approximately (20.98, 21247.3).
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someone plz help me plzzzzzzz im almost of time
Answer:
6. 5
7. 8
Step-by-step explanation:
Okay, I really need help, it’s a cooking need of help so I was making pasta, and I used a smaller top on a big pot (I know, I know..) and now it won’t come off, I’ve tried banging it around the edges, I put cold water on it, and I used dish soap to pry it open, nothing. I am not putting it in the freezer for it to cool off. Please help me!
Answer:
Dry your hands from the soap and try twisting the lid of the pan. This will cause it to start to turn. If you put it in the freezer it will be harder to take it off. My guess is by twisting the lid, you would be able to cause enough friction to take the lid off.
Step-by-step explanation:
If this doesn't work try tilting the lid and then lifting it
Answer:
Try soaking it in hot water. The pot only if possible. The top is smaller and if the pan expands it should loosen up
What is the area of the trapezoid below? 7in 4 in 5 in 12 in
Answer:
1680 inches
Step-by-step explanation:
All you have to do is to multiply the numbers together.
7 × 4 = 28 in
5 × 12 = 60 in
60 × 28 = 1680
Therefor, the answer is 1680.
3.
DeShawn is building a miniature doll house for his sister. The roof is in the shape of a
triangular pyramid and has base of 25 square inches. The height of the pyramid 21
inches.
What is the volume of the roof of the doll house?
Answer:The height of the roof in his house is 72.43 ft.
Step-by-step explanation:
The volume of square pyramid is :
B= area of the base.
h= the height.
Given that,
The roof is a square pyramid in shape. The volume of the roof is 18929.333 cubic feet.
The side length of the base of the roof is 28 feet.
Since the base of the roof is square in shape.
The area of the square is = side²
The area of the base is =(28×28) square feet
=784 square feet
Assume the height of the roof be h ft.
Then, the volume of the roof is =
square feet.
According to the problem,
ft.
The height of the roof in his roof is 72.43 ft.
Step-by-step explanation:
Find the annual depreciation for a car bought for
$17,000 and sold for $12,500 two years later.
Answer:
4500
so, have a good day, and um, i think i got this right, if not sry.
A food processor has an efficiency of 0.4. It gives a useful power output of 350 W. Calculate the total power input to the food processor.
A food processor has an efficiency of 0.4. It generates 350 W of usable power. The total power input of the food processor is 349.6W.
What is meant by power input?The amount of energy that goes into a device is known as input, and the amount of energy that comes out is known as output. A device can change the type of energy but not the amount. For example, a light bulb's input energy is electrical energy, and its output energy is light and heat. Efficiency. A power supply that provides alternating current (AC) power to a load is known as an alternating current (AC) power supply. AC or DC power input is available. Power from wall outlets (mains supply) and various power storage devices is frequently incompatible with the power requirements of the load.Therefore,
Efficiency equals total power in less usable power out.
Efficiency =0.4 effective power =350 watts
total power input is,
0.4 = 350350 - 0.4
Simplifying the above equation,
= 349.6
Hence, A food processor has an efficiency of 0.4. It generates 350 W of usable power. The total power input of the food processor is 349.6W.
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PLEASE HELP (at least c)
A machinist is required to manufacture a circular metal disk with area 715cm squared
. Give your answers in exact form. Do not write them as decimal approximations.
a) What radius, x , produces such a disk?
b) If the machinist is allowed an error tolerance of ±5cm2 in the area of the disk, how close to the ideal radius in part (a) must the machinist control the radius?
c) Using the ε / δ definition of a limit, determine each of the following values in this context:
f(x)=
a=
L=
ε=
δ=
The 715 cm² area of the disc and the ±5 cm² error tolerance, gives;
a) x = √(715/π) cm
b) The range for the radius is; [√(710/π) cm, √(720/π) cm]
c)
f(x) = π•x²
L = 715 cm²
E = 5 cm
d = √(5/π) cm
How can the variables in the \( \epsilon / \delta \) definition of limits be found?Area of the circular metal disk = 715 cm²
a) Required; The disk radius
Let A represent the area of the disk and let x represent the radius, we have;
A = π•x²
Therefore;
x = √(A/π)
Which gives;
x = √(715/π) cm
b) Allowed area error tolerance = ± 5 cm²
The allowed range of values for the area is therefore;
710 ≤ A ≤ 720Which gives;
√(710/π) ≤ x ≤ √(720/π)
c) From the \( \epsilon / \delta \) definition of limits, we have;
\( \lim\limits_{x → √(715/π)} f(x) = 715 \)
Which gives;
f(x) = A = π•x²
L = 715
|f(x) - L| < E = 5 cm
|x - √(715/π)| < d = √(5/π)
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Which measurement could be a surface area measure?
64.5 m 3
50 g
18 ft.
27.9 mm 2
The measurement that could be a surface area measure is D. 27.9 mm². The unit "mm²" represents square millimeters, which is a measurement of surface area.
What is a surface area?A surface area is the measurement of the outside area of an object or shape.
A surface area usually measures the surfaces of an object like the sides, top, and bottom.
It is measured in square units like square inches or square meters.
It is an important concept that is used in different areas like geometry (like a cone, cylinder, rectangular prism, etc.), physics, and engineering.
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pla shop mathematics
The number of trees more than 10m tall but not more than 20m tall is 18 trees.
How many of the trees are more than 10m tall but not more than 20m tall?0 < h ≤ 5 = 5
height greater than 0m less than or equal to 5m
5 < h ≤ 10 = 9
height greater than 5m less than or equal to 10m
10 < h ≤ 15 = 13
height greater than 10m less than or equal to 15m
15 < h ≤ 20 = 5
height greater than 15m less than or equal to 20m
20 < h ≤ 25 = 1
height greater than 20m less than or equal to 25m
The number of trees that are more than 10m tall but not more than 20m tall are;
10 < h ≤ 15 = 13
15 < h ≤ 20 = 5
So,
13 + 5 = 18 trees
Therefore, the total number of trees which are 10m tall but not more than 20m tall is 18 trees.
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Please help!!!
For questions 10-13 use f(x)=4(1/2)^x
Write a compound inequality to represent all of the numbers between -4 and 6.
Helllpp, I am confused.
Answer:
-4 ≤ x ≤ 6
Step-by-step explanation:
Firstly, let us have a random number between the two digits
We can call this random number x
So now, we have to position x between these two numbers
So to ensure that the two numbers are in the range of our values, we have to use an equality statement that will cover both
So by using lesser than or equal to we can incorporate the two extremes
The inequality here is thus ;
-4 ≤ x ≤ 6
bla nnn,,,,,,bs jfbjnf msnjkmfe sjnmf cmmnefnmv fcve
Answer:
Ummmmm ehhhhhh
I need points for a hw
If £31 = 500 rubles how many £ are in 992 rubles ? Give answer to 2 dp
Answer:
61.504
Step-by-step explanation:
Answer:
There are £61.50 in 992
Step-by-step explanation:
Here, we shall be doing some currency conversions.Now, £31 = 500 rublesThen;£x = 992 rubles To get c, what we do is simply cross multiply £x * 500 rubles = £31 * 992 rubles £x = (£31 * 992 rubles)/500 rubles £x = £61.504which is £61.50 to two decimal places
hope this helps!!
A local outdoor equipment store is being sold. The buyers are trying to estimate the percentage of items that are outdated. They will randomly sample among its 100,000 items in order to determine the proportion of merchandise that is outdated. The current owners have never determined their outdated percentage and can not help the buyers. Approximately how large a sample do the buyers need in order to insure that they are 98 % confident that the margin of error is within 3%
Using the z-distribution, as we are working with a proportion, it is found that the buyers need a sample of 1505.
What is a confidence interval of proportions?A confidence interval of proportions is given by:
\(\pi \pm z\sqrt{\frac{\pi(1-\pi)}{n}}\)
In which:
\(\pi\) is the sample proportion.z is the critical value.n is the sample size.The margin of error is given by:
\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)
In this problem, we have a 98% confidence level, hence\(\alpha = 0.98\), z is the value of Z that has a p-value of \(\frac{1+0.98}{2} = 0.99\), so the critical value is z = 2.327.
There is no estimate of the percentage, hence \(\pi = 0.5\), and the margin of error is of M = 0.03, hence we solve for n to find the desired sample size.
\(M = z\sqrt{\frac{\pi(1-\pi)}{n}}\)
\(0.03 = 2.327\sqrt{\frac{0.5(0.5)}{n}}\)
\(0.03\sqrt{n} = 2.327(0.5)\)
\(\sqrt{n} = \frac{2.327(0.5)}{0.03}\)
\((\sqrt{n})^2 = \left(\frac{2.327(0.5)}{0.03}\right)^2\)
\(n = 1504.2\)
Rounding up, the buyers need a sample of 1505.
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Nathan usually drinks 36 ounces of water per day. He read that he should drink 64 ounces of water per day. If he starts drinking 64 ounces, what is the percent increase? Round to the nearest percent.
Answer:
78 percent
Step-by-step explanation:
percent increase = (64-36)/36 ×100
= 28/36 ×100 = 0.78×100= 78
A full gla of water can hold 1/6 of a bottle. How many glae of water can be filled 3 1/2 bottle of water
21 glasses of water can be filled with 3 1/2 bottles of water.
Number of glass containers for 1/6 bottles = 1
Number of glass containers for 1 bottle = 6
Glass bottles Number of 3 1/2 bottles = 6 × 3 1/2
Number of 3 1/2 glass bottles = 6 × 7/2
= 21
This means that 21 glasses of water can be filled with 3 and 1/2 bottles of water.
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Fernando is typing 70 words in 4 minutes. How long will it take him to type 350 words? How many words can he type in 6 minutes?
Answer: it will take 20 min to type 350 words
105 words in 6 min
Step-by-step explanation:
Answer:
It will take 20 minutes to type 350 words.
In 6 minutes, 105 words can be typed.
Step-by-step explanation:
To find the time taken to type 350 words, divide 4 by 70 and then multiply it by 350.
\(\sf \text{Time taken to type 1 word = $\dfrac{4}{70} $}\\\\\text{Time taken to type 350 words = $\dfrac{4}{70}*350$}\)
= 20 minutes
To find the number of words to be typed in 6 minutes, first find how many he can type in 1 minute.
Number of words typed in 4 minutes = 70 words
\(\sf \text{Number of word typed in 1 minute = $\dfrac{70}{4}$}\\\\\text{Number of word typed in 6 minute = $\dfrac{70}{4}*6$}\)
= 105 words
Suppose you go to a company that pays $0.03 for the first day, $0.06 for the second day, $0.12 for the third day, and so on. If the daily wage keeps doubling, what will your total income be for working 30 days
Answer:
$16,106,127.36 after 30 days
Step-by-step explanation:
This situation could be modeled by the equation \(x(2)^{t-1}\) where x is the initial value and t is the time. x is the value on "the first day", so in this situation, we would substitute 0.03 for x, giving us \(0.03(2)^{t-1}\).
Then, we plug 30 into this equation, which would give us \(0.03(2)^{29}\).
\((2)^{29}\) is equal to 536,870,912-->multiplying this by 0.03 would give us $16,106,127.36
Please help! find the common ratio of the geometric sequence. -1/4, 1/16, -1/64, 1/256,... A. 1/64 B. -1/4 C. -1/16 D. 1/16 E. 1/4
Answer:
B -1/4
Step-by-step explanation:
To find the common ratio, divide any term by the previous term.
1/16 ÷ -1/4 = 1/16 * -4 = -4/16 = -1/4
=====================================================
Explanation:
Pick any term of the sequence that isn't the first term. Divide whatever you picked by the previous term. That will compute the common ratio. This applies to geometric sequences only.
So let's say we pick on term 3 and divide it over term 2. That will get us...
\(r = \left(\text{3rd term}\right) \div \left(\text{2nd term}\right)\\\\r = -\frac{1}{64} \div \frac{1}{16}\\\\r = -\frac{1}{64} \times \frac{16}{1}\\\\r = \frac{-1*16}{64*1}\\\\r = -\frac{16}{64}\\\\r = -\frac{16}{16*4}\\\\r = -\frac{1}{4}\\\\\)
Where r is the common ratio.
As another example, let's say we picked on term 4 and divided it over the third term
\(r = \left(\text{4th term}\right) \div \left(\text{3rd term}\right)\\\\r = \frac{1}{256} \div -\frac{1}{64}\\\\r = \frac{1}{256} \times -\frac{64}{1}\\\\r = \frac{1*(-64)}{256*1}\\\\r = -\frac{64}{256}\\\\r = -\frac{64}{64*4}\\\\r = -\frac{1}{4}\\\\\)
We get the same result. I'll let you try dividing the second term over the first term. You should get r = -1/4 after simplifying.
-------------
Because the common ratio is r = -1/4, this means that we multiply each term by the common ratio to generate the next term.
For instance,
term 3 = (term 2)*(common ratio)
term 3 = (1/16)*(-1/4)
term 3 = -1/64
which matches with the given sequence
if the number of times you take the test were independent of the chance you fail what could that mean?
if the number of times you take the test were independent variable of the chance you fail what could that mean the difficulty of the test is consistent and unchanging.
The difficulty of the test is consistent and unchanging, making it so that the chance of failing is solely determined by the individual's performance on the test. Factors such as knowledge of the subject and the ability to focus can play a role in a person's success, but the actual chance of failing is not affected by how many times the test is taken. This means that those who fail the test will have to work harder and prepare better in order to pass it on the next attempt. Taking the test multiple times does not guarantee a higher chance of success, as the difficulty remains the same each time due to independent variable.
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There are 32 students on a large bus, and the rest are on a smaller bus. If 30% of the students are on the smaller bus, how many total students are on the two buses?
Answer:
46 total
Step-by-step explanation:
32 on large bus
30% on small bus
32 =70%
100%=32/70 x(100)=46
A professor counted the number of words students used to answer an essay question. Create a ranked frequency distribution of these data.
245 261 289 222 291 289 240 233 249 200
A ranked frequency distribution of data can be created by sorting the data in ascending or descending order and then counting the frequency of each value.
The given data set is 245, 261, 289, 222, 291, 289, 240, 233, 249, and 200. To create a ranked frequency distribution of this data set, we first need to sort it in ascending or descending order. Let's sort it in ascending order:200, 222, 233, 240, 245, 249, 261, 289, 289, 291 Next, we need to count the frequency of each value. We can do this by going through the data set and counting how many times each value occurs. Here is the frequency distribution table:Value Frequency 200 1222 1233 1240 1245 1249 1261 1289 2291 1 From this table, we can see that the most frequent value is 289, which occurs twice. We can also see that the least frequent values are 200, 222, 233, and 240, which each occur only once.
In conclusion, a ranked frequency distribution of data can be created by sorting the data in ascending or descending order and then counting the frequency of each value. This allows us to see which values are most and least frequent in the data set.
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Can someone ls help me with this, the picture is down below!
Answer:
8 : 5
Step-by-step explanation:
white socks 8
brown socks 5
Answer:
8:5
Step-by-step explanation:
cause
white= 8
brown=5
white:brown
8:5
what would be an appropriate viewing rectangle to show two periods of the function?
Vertical Axis: The vertical extent ranges from the maximum to the minimum points of the two periods. In the case of f(x) = sin(x), the range would be -1 to 1.
To show two periods of the function, an appropriate viewing rectangle would be the one that ranges from one point of one period to the corresponding point of the second period, and the vertical extent ranges from the maximum to the minimum points of the two periods.
For example, we want to graph the function f(x) = sin(x) over the interval [0, 6π].
To show two periods of the function in this interval, we must first determine the period of the function.
In this case, the period of the sine function is 2π.
Therefore, we can graph two periods of the function by using a viewing rectangle that ranges from 0 to 4π on the horizontal axis (one point of the first period to the corresponding point of the second period) and ranges from -1 to 1 on the vertical axis (the minimum and maximum points of the two periods).
So, an appropriate viewing rectangle to show two periods of the function would be:
Horizontal Axis: Range from one point of one period to the corresponding point of the second period. In the case of f(x) = sin(x), the range would be 0 to 4π.
Vertical Axis: The vertical extent ranges from the maximum to the minimum points of the two periods. In the case of f(x) = sin(x), the range would be -1 to 1.
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Help me please and Thank you!