Answer:
-24
Step-by-step explanation:
-2×4= -8
-8×3= -24
-24×1= -24
I hope this helps ^-^
Hakeem is going to invest in an account paying an interest rate of 3.5% compounded
continuously. How much would Hakeem need to invest, to the nearest hundred
dollars, for the value of the account to reach $3,700 in 15 years?
The principal investment required to get a total amount of $3,700.00 from compound interest at a rate of 3.5% per year compounded 365 times per year over 15 years is $2,287.26.
What is Compound interest?Compound interest is a method of calculating the interest charge. In other words, it is the addition of interest on interest.
Given Data
Rate = 3.5%
Final Amount = $3,700
Time = 15 Years
First, convert R as a percent to r as a decimal
r = R/100
r = 3.5/100
r = 0.035 per year,
Then, solve the equation for P
P = A / (1 + r/n)^nt
P = 3,700.00 / (1 + 0.035/365)(365)^(15)
P = 3,700.00 / (1 + 0.00010137)^(4745)
P = $2,287.26
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The population of Clover county doubles every 11 years. If the original population was 140,000 how many people will live in Clover county in 15 years?
Answer:
Step-by-step explanation:
Let the equation of the total population over the year be expressed as
P(t)= P0e^kt
P0 is the initial population
k is the constant of proportionality
t is the time
If the population of Clover county doubles every 11 years, this means that:
at t = 11, P(t) = 2P0
Substitute
2P0 = P0e^k(11)
2 = e^11k
ln2 = lne^11k
ln2 = 11k
k = ln2/11
k = 0.0630
If the original population was 140,000, we are to find the number of people that will live in Clover county in 15 years?
p0 = 140,000, k = 0.0630, t = 15 p(15) = ?
Substitute
P(t)= P0e^kt
p(15) = 140,000e^( 0.0630)(15)
p(15) = 140,000e^0.945
p(15) = 140,000*2.5728
p(15) = 360,193.87
Hence approximately 360,193 will live in clover country in 15years
A diver dove from a board that was 10.75 feet above the water's surface, and descended until he was 8.5 feet below the water's surface. What was the total distance that the diver descended?
Answer: 2.25
Step-by-step explanation: 2.25 because if u subtract 10.75 - 8.5 = 2.25
About how much longer is QT than RS? Use an approximation rounded to the nearest tenths place
Answer:
Step-by-step explanation:
Use the conversions given below to change 63 kg into stones.
Give your answer rounded to 1 dp.
1 kg = 2.2 pounds
1 stone = 14 pounds
Answer:
63kg x 2.2 = 138.6 pounds
138.6 pounds/14 = 9.9 stones
Step-by-step explanation:
Answer:
63kg×2.2=138.6 pounds
138.6 pounds/14=9.9
if the 90% confidence limits for the population mean are 45 and 55, which of the following could be the 99% confidence limits a) [48, 55] b) [49, 53] c) [42, 58] d) [46, 51] e) [49, 51] f) none of the above
The 99% confidence limit will be option B which is (45, 55)
90% confidence limits for the population mean are (46,54)
mean = 46+54 / 2 = 50.
the margin of error E = 54-46/2 = 4
For 90% Confidence Z- Critical value is = 1.645
But the margin of error
E = ZS/√n
4=(1.645)S/√n
S/√n = 4 / 1.645
= 2.4316
For 95% confidence Z-critical value is 1.96
A 95% confidence interval is = mean ± E
(50 ± 1.96) S/√n = (50 ± 1.96)×2.4316
= 50+ 4.7660
= 45.2340, 54.7660
= (45, 55)
Hence the correct option is B which is (45, 55) as the 99% confidence limit.
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i need help on this problem
When we add 6000 kilograms of water to the pool, it will hold around 18,000 kilos of water and have a depth of about 1/3 meter.
a. We must first determine the capacity of the pool in order to determine how many kilos of water are present there. The volume of a rectangular prism can be calculated by multiplying its length, width, and height (or depth).
Length = 6 meters
Width = 3 meters
Depth = 1 meter
Volume = Length x Width x Depth
Volume = 6 meters x 3 meters x 1 meter
Volume = 18 cubic meters
Therefore, the weight of 18 cubic meters of water is:
Weight = Volume x Density
Weight = 18 cubic meters x 1000 kilograms/cubic meter
Weight = 18,000 kilograms
The weight of water in the pool is 18000 kilograms.
b. Calculate the new water depth in the pool if 6000 kg of water are added. Additional weight of water = 6000 kilograms
To find the new depth, we can divide the additional weight of water by the area of the base of the pool, which is the length multiplied by the width.
Base area = Length x Width
Base area = 6 meters x 3 meters
Base area = 18 square meters
New depth = Additional weight / Base area
New depth = 6000 kilograms / 18 square meters
New depth ≈ 333.33 meters/square meter
Therefore, the water is about 333.33 meters deep (or approximately 1/3 of a meter deep) when you add 6000 kilograms of water to the pool.
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free bilirubin is transported by the blood to the liver. TRUE OR FALSE
True, free bilirubin is transported by the blood to the liver.
Macrophages begin the disposal of hemoglobin by separating the heme from the globin. They hydrolyze the globin into free amino acids, which can be used for energy-releasing catabolism or recycled for protein synthesis.
Bilirubin
Bilirubin is a red-orange compound that occurs in the normal catabolic pathway that breaks down heme in vertebrates. This catabolism is a necessary process in the body's clearance of waste products that arise from the destruction of aged or abnormal red blood cells.
Hemoglobin
Hemoglobin is a protein in your red blood cells that carries oxygen to your body's organs and tissues and transports carbon dioxide from your organs and tissues back to your lungs.
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PLEASE HELP I WILL MARK BRAINLIEST
Answer:
C. 10 cm³
Step-by-step explanation:
V = 1/3(area of base)(height)
= 1/3(1/2 x 5 x 3)(4)
= 1/3(7.5)(4)
= 1/3(30)
= 10 cm³
$20,000 is invested at a rate of 5% and is compounded simi-annually. What will
be in the account after 5 years? *
a.25601.69
b. 26897.78
c. 28259.48
d. 29690.11
Answer:
A
Step-by-step explanation:
Determine the GCF of 12y, 15y?, and 6y
Answer:
3y
Step-by-step explanation:
All three expressions have the factor 3, and all three have the factor y. Thus, the GCF is 3y.
Sonequa has two containers one in the shape of a cylinder and the other in the shape of a cone the two containers of equal radii and equal Heights she investigated the relationship between the volume of the cone and the cylinder by transferring water between the two containers which of the following claims is most likely to be supported using the result of sonequa investigation
Answer:35
Step-by-step explanation:
The volume of a cylinder is calculated by multiplying the area of its base by its height. The formula for the volume of a cylinder is V = πr²h, where r is the radius of the base and h is the height.
The volume of a cone is calculated by multiplying the area of its base by its height and then dividing by 3. The formula for the volume of a cone is V = (1/3)πr²h, where r is the radius of the base and h is the height.
Since Sonequa’s two containers have equal radii and equal heights, it can be concluded that the volume of the cylinder is three times the volume of the cone. This means that if Sonequa fills the cone with water and pours it into the cylinder, she will need to repeat this process three times to fill the cylinder completely.
So, the claim that is most likely to be supported using the result of Sonequa’s investigation is: “The volume of a cylinder with the same radius and height as a cone is three times greater than the volume of the cone.”
Which of the following is closest to the circumference of the stump?
A)
5.495 ft?
B)
9.617 ft?
C)
10.99 ft
D)
38.465 ft2
Answer:
C):10.99
Step-by-step explanation:
The diameter is 3.5...
3.5 x 3.14 = 10.99
The cirucmference of the stump given its diameter is closest to 10.99 ft.
What is the circumference of the stump?The circumference of the stump is the distance round the stump. The stump is in the shape of a circle. Thus, the formula for the circumference of a circle would be used to determine the circumference of the stump.
Circumference of a circle = πD
Where:
π = 3.14 D = diameter = 3.53.14 x 3.5 = 10.99ft
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Which one is greater1.22 or 1.02
Answer:
1.22 is greater
Step-by-step explanation:
everything after the decimal point is still the same as if it was a regular number. It's like comparing 22 and 02.
You can do 1.22-1.02 without getting a negative number
But when you do 1.02-1.22 the answer is -0.2.
I hope I could help!
Find the area of these shapes!
Answer:
1) 35.07
2) 123.6
3)3.9
4) 102.83
5)97.5
6)6.93
what does the slope of graph show about the Hardware stores selling price for the rope?
Answer:
If the price is increasing or decreasing
Step-by-step explanation:
The slope is a visual representation of the cost over time.
Answer:I think It Shows How Much You Have
Step-by-step explanation:
find the measurement of angle 2
Answer:
∠ 2 = 25°
Step-by-step explanation:
The triangle on the right has 2 congruent sides and is therefore isosceles with 2 base angles being congruent, both 65° , then
∠ 2 = \(\frac{180-(65+65)}{2}\) = \(\frac{180-130}{2}\) = \(\frac{50}{2}\) = 25°
Line segment C X is an altitude in triangle ABC. Triangle A B C is shown. Angle A C B is a right angle. An altitude is drawn from point C to point X on side A B to form a right angle. Which statements are true? Select two options. ΔABC Is-congruent-to ΔBXC ΔAXC ~ ΔCXB ΔBCX Is-congruent-to ΔACX ΔACB ~ ΔAXC ΔCXA Is-congruent-to ΔCBA
Answer:
ΔAXC ~ ΔCXB
ΔACB ~ ΔAXC
Step-by-step explanation:
B and D are correct
Congruent triangles have equal corresponding sides.
The true statements are: ΔAXC ~ ΔCXB ; and ΔACB ~ ΔAXC
From the figure (see attachment), we have the following highlights
Triangles AXC and CXB are similar by SASTriangles ACB and AXC are also similar by SASThis means that we have the following similarities statements:
ΔAXC ~ ΔCXB ; and ΔACB ~ ΔAXC
Hence, the true options are: (b) and (d)
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Find the value of x. Round to the nearest tenth.
A flag pole is casting a 20ft shadow. the flag pole measures 16 ft. find the angle of elevation of the sun
Answer: 38.7°
Step-by-step explanation:
Hi, since the situation forms a right triangle (see attachment) we have to apply the next trigonometric function.
Tan α = opposite side / adjacent side
Where α is the angle of elevation of the sun (x), and the opposite side is the height of the pole, and the adjacent side is the length of the shadow.
Replacing with the values given:
Tan x = 16/20
x = arc tan 0.8
x= 38.7°
Feel free to ask for more if needed or if you did not understand something.
A local dry cleaner interviewed 10 candidates for the positions of cashier, washer, salesperson, and delivery driver. How many ways can they fill the 4 positions?
A. 14
B. 210
C. 5,040
D. 151,200
Answer:
How many ways can they fill the 4 positions?
The Answer is B. 210
Answer: b. 210
Step-by-step explanation:
What is the total pressure of a mixture of two gases?
The total pressure of a mixture of gases can be defined as the sum of the pressures of each individual gas: Ptotal=P1+P2+… +Pn. + P n . The partial pressure of an individual gas is equal to the total pressure multiplied by the mole fraction of that gas.
The total pressure of a mixture of two gases is the finalized value of the summation of the total pressure of each of the gases.
The total pressure of a mixture of two gases can be expressed in the form of an equation, as below,
Total Pressure = Pressure of Gas 1 + Pressure of Gas 2
It is noteworthy to be mentioned that the partial pressure of an individual gas is completely in contrast to that of the individual pressure of a gas. It can be expressed in the form of an equation, as below,
Partial Pressure = Total Pressure of Gas x Mole Fraction of Gas
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exhibit 9-4 a random sample of 16 students selected from the student body of a large university had an average age of 25 years. we want to determine if the average age of all the students at the university is significantly different from 24. assume the distribution of the population of ages is normal with a standard deviation of 2 years. the test statistic is . a. 1.645 b. 2.00 c. 1.96 d. .05
It can be deduced that the mean age is substantially different from 24 at the.05 level of significance.
If the average student age is not substantially different from 24 years, then the null hypothesis is tested, which is:
\(H_{0}\) : μ = 24
If it differs from 24 years, the alternative premise is tested, so:
\(H_{1}\) : μ ≠ 24
The z-distribution is utilized because we have the population's standard deviation. The test statistic comes from:
z = x - μ÷ σ/\(\sqrt{n}\)
The parameters in this issue have the following values:
x(mean) = 25
μ = 24
σ = 2
n=16
As a result, the test statistic's value is:
z = 25-24÷ 2/\(\sqrt{16}\)
z = 2
The probability of a sample mean older than 25 years determines the test's p-value, which is 1 less than the p-value of z = 2.
The p-value for z = 2 in the z-table is 0.9772; 1 - 0.9772 = 0.0228.
Given that the test's p-value is 0.0228 0.05, we may say that:
It can be deduced that the mean age is substantially different from 24 at the.05 level of significance.
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Which of the following statements best defines a sample space?
A.
A sample space is one particular outcome for a given situation.
B.
A sample space is the set of all possible outcomes for a given situation.
C.
A sample space is one particular situation for a given outcome.
D.
A sample space is the set of all possible situations for a given outcome.
Answer:
i guess Bis the answer bcuz, A sample space is a collection or a set of possible outcomes of a random experiment
Statement B is correct, which best defines the sample space that is " a sample space is the set of all possible outcomes for the a given situation".
What is sample space in probability?
A sample space is a collection or a set of possible outcomes of a random experiment. It is represented by using the symbol "s".
For example,
When we flip or toss a coin, two outcomes are possible such as head and tail. Therefore the sample space for this experiment is given as
Sample space, S = {H, T} = {Head, Tail}
According to the given option
Option B is correct. That is a sample space is the set of all possible outcomes for a given situation.
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At a grocery store, you want to buy 4 1/10 lb of cheese. What decimal should the digital scale show?
Answer:
4.1
Step-by-step explanation:
(0)
Question 2 Consider the dynamic system described by Equation Q2. 85.16400 083.3770 0046.999 ⃗+ 0.079400 00.7030 001.07 ×10⃗+ 0.013600 03.1390 005.124 ×10⃗= 0 0 0 Equation Q2 (a) Calculate the spectral matrix, the undamped natural frequencies and damping ratios of the system in Equation Q2. Identify its fundamental frequency. (b) The following mode shape vectors have been used to diagonalise the equations of motion of the dynamical system presented in Equation Q2: f1 = [0.8076 1.0000 0.8039]T; f2 = [-0.9694 -0.1620 1.0000]T and f3 = [-0.5342 1.0000 -0.3523]T. Calculate the respective matrix of mass normalised mode shapes. (c) Using the mode superposition method, calculate the response of the system for the first physical coordinate y1 assuming the following initial conditions expressed in terms of the modal coordinates: the initial modal displacements are [0 0.5 0]T m and the initial modal velocities are [0 -3 0]T m/s.
The first physical coordinate y1 can be expressed as y1 = [1 0 0]Y, & The mass-normalised mode shapes can be normalising the mode shape vectors f1, f2, and f3.
Part (a)
In Equation Q2, the spectral matrix, undamped natural frequencies, damping ratios, and fundamental frequency need to be calculated.
The mass matrix is given by [85.16400 083.3770 0046.999; 0.079400 00.7030 001.07 × 10; 0.013600 03.1390 005.124 × 10].
The stiffness matrix is given by [0.16400 00.3770 000.999; 0.079400 00.7030 001.07 × 10; 0.013600 03.1390 005.124 × 10].
The damping matrix is given by [0 0 0; 0 0 0; 0 0 0].The undamped natural frequencies, damping ratios, and fundamental frequency for the system in Equation Q2 can be calculated from the spectral matrix.
The characteristic equation can be written as det(K-mω^2M)=0.where K is the stiffness matrix, M is the mass matrix, ω is the angular frequency, and m is the mass-normalised mode shape.
The roots of this equation are the undamped natural frequencies, and the damping ratios can be calculated from the undamped natural frequencies and mode shapes.
The mass-normalised mode shapes can be calculated by normalising the mode shape vectors f1, f2, and f3.
Part (b)
The mass-normalised mode shapes can be calculated using the mode shape vectors f1, f2, and f3.Part (c)The response of the system for the first physical coordinate y1 can be calculated using the mode superposition method. The initial modal displacements and velocities are given in terms of the modal coordinates.
The response is then calculated using the equation y(t)= Σ ai φi(t), where ai are the modal amplitudes, and φi(t) are the modal shapes given by the mode shape vectors f1, f2, and f3.
The first physical coordinate y1 can be expressed as y1 = [1 0 0]Y, where Y is the vector of physical coordinates. The modal amplitudes can be calculated from the initial modal displacements and velocities.
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Simplify each
2. 2
— - —
5 3
3 3
— + —
4 8
With explanation please
Answer:
1) \( - \frac{4}{5} \)
2) \( \frac{9}{8} \)
Step-by-step explanation:
\( \frac{2}{5} - \frac{2}{3} = \frac{2 \times 3}{5 \times 3} = \frac{2 \times 5}{3 \times 5} = \frac{6}{15} - \frac{10}{15} \)
\( \frac{6 - 10}{15} = - (10 - 6) = - 4\)
\( = - \frac{4}{15} \)
°■°■°■°■°■°■°■°■°■°
\( \frac{3}{4}+\frac{3}{8} \)
\( \frac{6+3}{8} \)
\( = \frac{9}{8} \)
On friday night, the owner of chez pierre in downtown chicago noted the amount spent for dinner for 28 four-person tables. 110 118 124 185 129 128 122 139 120 95 119 99 191 130 84 110 149 123 76 175 143 83 110 76 165 67 102 151. click here for the excel data file.
(a) Find the mean, median, and mode. (Round your answers to 2 decimal places.) NOTE - (It also asks for the count)
(b) Are the data symmetric or skewed? If skewed, which direction?
multiple choice
a. Symmetric
b. Skewed right
c. Skewed left
- Mean: 119.43- Median: 118.50- Mode: 110 - Count: 28
To find the mean, we add up all the values and divide by the number of observations. In this case, the sum of the values is 3342, and since there are 28 observations, the mean is 3342/28 = 119.43.
The median is the middle value when the data is arranged in ascending order. In this case, there are 28 observations, so the median is the average of the 14th and 15th values. When the data is ordered, the 14th value is 118 and the 15th value is 124. Therefore, the median is (118 + 124)/2 = 118.50.
The mode is the value that appears most frequently in the dataset. In this case, the value 110 appears three times, which is more than any other value. Hence, the mode is 110.
The count simply refers to the number of observations in the dataset, which is 28 in this case.
(b) The data is skewed right.
When data is symmetric, it means that the values are evenly distributed around the mean, resulting in a bell-shaped curve. In this case, the data is not symmetric. Looking at the dataset, we can observe that there are several smaller values on the left side, while the right side has a few larger values. This indicates a right skew or positive skewness.
Skewness refers to the asymmetry of a distribution. In a right-skewed distribution, the tail of the distribution extends towards the right, indicating a longer right tail. Therefore, the correct answer is b. Skewed right, indicating that the data is positively skewed.
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a $12$-slice pizza was made with only pepperoni and mushroom toppings, and every slice has at least one topping. only six slices have pepperoni, and exactly ten slices have mushrooms. how many slices have both pepperoni and mushrooms?
The terms with "x" cancel out, and we're left with:
0 = 12
6 + 10 + x + (12 - (6 + 10 + x)) = 12
Simplifying the equation, we have:
16 + x - (16 + x) = 12
The terms with "x" cancel out, and we're left with:
0 = 12
Let's denote the number of slices with both pepperoni and mushrooms as $x$. We are given that there are 6 slices with pepperoni and 10 slices with mushrooms.
Since every slice has at least one topping, the total number of slices is 12. We can break down the slices into the following categories:
Slices with only pepperoni: 6 slices
Slices with only mushrooms: 10 slices
Slices with both pepperoni and mushrooms: $x$ slices
Slices with neither pepperoni nor mushrooms: 12 - (6 + 10 + x) slices
We know that the total number of slices is 12, so we can write an equation:
6 + 10 + x + (12 - (6 + 10 + x)) = 12
Simplifying the equation, we have:
16 + x - (16 + x) = 12
The terms with "x" cancel out, and we're left with:
0 = 12
This equation is not possible to satisfy. Therefore, there must be an error or inconsistency in the given information. Please check the information provided again.
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what would the slope be for points (-5,8) and (-7,10)
Answer:
-1
Step-by-step explanation:
\(\frac{10-8}{-7- - 5}\) =\(\frac{2}{-7+5}\) = \(\frac{2}{-2}\) = -1
Ordered pairs are written (x,y) The first number is the x coordinate and the second number is the y coordinate.
(-5,8) and (-7,10) You take the y's and subtract them that is your numerator. Take the x's and subtract them. That is your denominator.