Answer:
"less than high school" and" high school graduate".
Answer:
The table below is comparing level of education achieved to the rate of unemployment and the median weekly earnings in 2008. Based on the information provided, the unemployment rate decreases the most when moving between which two consecutive educational levels?
a.
“Less than high school” and “High School Graduate” <<<<<<<CORRECT
b.
“High school graduate” and “Some college, no degree”
c.
“Associate degree” and “Bachelor’s degree”
d.
“Professional degree” and “Doctoral degree”
Step-by-step explanation:
Edge2021
Eileen is making lemonade with water and lemon concentrate. What percent of each mixture is
lemon concentrate?
a. The ratio of water to lemon concentrate is 3 to 1.
b. Eileen mixes 4 parts water for each part of lemon concentrate.
c. 4 out of every 5 cups of the mixture is water.
a) The percentage of lemon is 25%
b) The percentage of lemon is 20%
c) The percentage of lemon is 20%
What is a percentage?The percentage is calculated by dividing the required value by the total value and multiplying by 100.
Example:
Required percentage value = a
total value = b
Percentage = a/b x 100
Example:
50% = 50/100 = 1/2
25% = 25/100 = 1/4
20% = 20/100 = 1/5
10% = 10/100 = 1/10
We have,
a)
Water : Lemon = 3 : 1
Percent of lemon concentrate:
= 1/4 x 100
= 25%
b)
1 part of lemon = 4 part of water
Percent of lemon.
= 1/5 x 100
= 20%
c)
Cups of lemon = 1
Cups of water = 4
Percent of lemon.
= 1/5 x 100
= 20%
Thus,
The percent of each answer is given above.
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Drag the tiles to the boxes to form correct pairs. Not all tiles will be used.
Determine which statements are the converse, inverse, and contrapositive of the following statement.
If a figure is a square, it is a polygon.
Answer:
Step-by-step explanation:
Find the average rate of change of g (x)=-2x³ +5x² from x=2 to x = 3.
Simplify your answer as much as possible.
The average rate of change of g (x)=-2x³ +5x² from x=2 to x = 3 is
a(x)= -13
What is meant by average rate of change?It represents the average change in the function's per-unit value during that time period. On the function's graph, it is generated from the slope of the line connecting the interval's ends. Following is the formula for the average rate of change:
a(x) = [f(b) - f(a)]/(b - a)
where,
a(x) = Average Rate of Change
f(a) = Function Value at a
f(b) = Function Value at b
Given,
g (x)=-2x³ +5x² from x=2 to x = 3
Average rate of change is a(x)
g (x)=-2x³ +5x²
Put x=2 in the above equation
g(2)= -2(2)³+5(2)²
= -16+20
=4
g(2)=4
Now, put x=3 in the above equation
g(3)= -2(3)³+5(3)²
= -57+45
= -9
We know that,
Average rate of change a(x)= (g(b)-g(a))/(b-a)
a(x)= g(3)-g(2)/(3-2)
a(x)= (-9-4)/1
a(x)= -13
Therefore, the average rate of change a(x)= -13
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Twenty percent of U.S. adults have some type of mental illness. You randomly select 6 U.S. adults. Find the probability that the number of adults having some type of mental illness is:
a)exactly two
b)at least one
c)less than three
d)find the mean, variance, and standard deviation for this distribution
The mean is 1.2 ,variance is 0.96 and standard deviation of the given data is 96 square root.we can find all these data by using formula of probability.
what is probability?Probability means possibility.It is a branch that deals with occurrence of random event.The value is given in the probability from 0 to 1.Probability is how likely something is to happen.It is used in real life for analysis data.we can find probability to favorable outcomes divided by total outcomes.
What is difference between standard deviation and variation?Standard deviation measures how far apart numbers are in a data set.Variance gives us the actual value to how much the numbers in a data set vary from the mean.The variance is equal to the square standard deviation and standard deviation is the square root of the variance.
NOW we have data
Person(ill)=20% =0.20 n=6
For Exactly two p(x) =2
now we get 24.58% by using binomial theorem and putting value in the formula.
NOW for at least one p(x)>1 By putting value we get 0.7379.
Now for less than three p(x<30) we get 0.9011
Now to find mean
Mean=person (ill) multiply n
Mean = 0.20 * 6
Mean= 1.2
Variance= 1.2*0.80
=0.96
IN the last we find standard deviation.it will be 96 square root.
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Can someone do these 4 questions For 40 points
The gradient of the blue line as shown in the graph is 0.25
What is gradient?The gradient of any line or curve tells us the rate of change of one variable with respect to another.
To calculate the gradient of the blue line, we use the formula below.
Formula:
S = Δy/Δx = (y₂-y₁)/(x₂-x₁)................. Equation 1Where:
S = Gradient of the blue lineΔy = Change in y-axisΔx = Change in x-axisFrom the graph,
Given:
x₁ = 0y₁ = 1x₂ = 8y₂ = 3Substitute these values into equation 1
S = (3-1)/(8-0)S = 2/8S = 1/4S = 0.25Hence, the gradient of the blue line is 0.25.
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A student receives a subsidized student loan for $10,000 with a 10-year repayment term and interest compounded monthly. Six months after she graduates from college, she will have to begin making payments. Find her monthly payment and total interest paid if the interest rate is 5.5%.
If the interest rate is 5%, the monthly payment and total interest would be $2.439.
Define interest.Interest is the sum of money that must be repaid on a loan or received in exchange for a loan. Principal refers to the borrowed or lent funds. The Amount is the total of the principal plus interest. The term "rate of interest" refers to the rate at which interest is applied to the principal.
Given,
A student receives a subsidized student loan for $10,000 with a 10-year repayment term and interest compounded monthly. Six months after she graduates from college, she will have to begin making payments.
A $10,000 subsidized student loan
Ten-year term of repayment
5.5% interest rate
First, we must determine the loan's future value (FV) over the next six months using the formula below:
FV in 6 months
= Loan Amount× (1 + Interest Rate)⁶ ($10,000×(1 + 0.055) ×6
= $2.7680.
Second, the formula for determining future value is used to determine the monthly payment:
M = FV in 6 months / (((((r)n) - 1) / r).......... (1)
When you enter all the pertinent values into equation (1), you get:
M = $2.7680 / ((((1 + 0.00466666666666667)^144) – 1) / 0.00466666666666667)
M = $2.439
Therefore, if the interest rate is 5.5%, the total amount paid in interest plus monthly payments would be $2.439.
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The maximum weight, w, that an elevator can hold is 2200 pounds. Which inequality represents the situation?
Answer: w ≤ 2200 would represent the situation
A cake recipe asks for 1/4 cup of oil for each cake. How many cakes can be made from a bottle of oil that has 4 cups in it?
Answer: 16
Step-by-step explanation:
there are 4 1/4 in 1 cup. so it'll be 4 cakes for each cup of oil you have. multiply the number of cakes that can be made per cup (4) by the number of cups you have (4)
(4) x (4) = 16
Can someone help me with this question????
Answer:
[tex]P = \boxed{\sf 4000}[/tex]
[tex]r=\boxed{\sf 0.03}[/tex]
[tex]n=\boxed{\sf 4}[/tex]
[tex]t=\boxed{\sf 5}[/tex]
Step-by-step explanation:
[tex]\boxed{\begin{minipage}{8.5 cm}\underline{Compound Interest Formula}\\\\$ A=P\left(1+\frac{r}{n}\right)^{nt}$\\\\where:\\\\ \phantom{ww}$\bullet$ $A =$ final amount \\ \phantom{ww}$\bullet$ $P =$ principal amount \\ \phantom{ww}$\bullet$ $r =$ interest rate (in decimal form) \\ \phantom{ww}$\bullet$ $n =$ number of times interest is applied per year \\ \phantom{ww}$\bullet$ $t =$ time (in years) \\ \end{minipage}}[/tex]
If you invest $4,000 then the principal amount is $4,000. As P represents the principal amount:
[tex]\implies P = \boxed{\sf 4000}[/tex]
The interest is 3%. 3% = 3/100 = 0.03. Therefore:
[tex]\implies r=\boxed{\sf 0.03}[/tex]
"n" represents the number of times interest is applied per year.
Therefore, if the interest is applied quarterly then:
[tex]\implies n=\boxed{\sf 4}[/tex]
"t" represents the time in years. Therefore, if you plan to leave the money in the account for 5 years then:
[tex]\implies t=\boxed{\sf 5}[/tex]
-----------------------------------------------------------------------------------------
To calculate the amount in the account after 5 years, substitute the values into the formula and solve for A:
[tex]\implies A=4000\left(1+\dfrac{0.03}{4}\right)^{4 \times 5}[/tex]
[tex]\implies A=4000\left(1+0.0075\right)^{20}[/tex]
[tex]\implies A=4000\left(1.0075\right)^{20}[/tex]
[tex]\implies A=4000(1.16118414...)[/tex]
[tex]\implies A=\$4644.74[/tex]
Can someone evaluate these for me
1×(– 6 × –18 –8) ÷4
4– – 20+ – 5 ×( –11 – –18)
13– – 10 × 16 ÷ (14 + –16)
1– – 9 × 12 ×(–19 +20)
The answer of the given expression using BODMAD rule is 25.
What is BODMAS rule?
The BODMAS rule states that the brackets must be solved first, then powers or roots (i.e., of), Division, Multiplication, Addition, and finally Subtraction. Only when the BODMAS rule or the PEDMAS rule is used to solve an expression is the solution deemed to be correct.
(a) 1 x (-6 x -18 - 8) ÷ 4
By using first to simplify the bracket.
1 x ((-6 x -18) - 8) ÷ 4
1 x (108 - 8) ÷ 4
(1 x 100) ÷ 4
100 ÷ 4
25
Hence, the answer of the given expression using BODMAD rule is 25.
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Let S represent the number of randomly selected adults in a community surveyed to find someone with a certain genetic trait.The random variable S follows a geometric distribution with mean 4.66. Which of the following is a correct interpretation of the mean?answer choicesA value randomly selected from the distribution of S is expected to be 4.66.In repeated sampling from the distribution of S, the average of the values will approach 4.66.For a sample of values randomly selected from the distribution of S, the average of the sample will be 4.66.The probability is 0.66 that a value randomly selected from the distribution of S will be close to the mean.For a sample of values randomly selected from the distribution of S, the average of the sample will vary from the population mean by no more than 4.66.
Step-by-step explanation:
correct interpretation of the mean?answer choicesA value randomly selected from the distribution of S is expected to be 4.66.In repeated sampling from the distribution of S, the average of the values will approach 4.66.For
PLEASE HELP IM TIMED I WILL GIVE BRAINLIST!!!!!!!!
The distance between the line segments PQ, RS and TV are √53 respectively
Distance Between Two PointsThe distance between any two points is the length of the line segment joining the points. There is only one line passing through two points. So, the distance between two points can be calculated by finding the length of this line segment connecting the two points.
The formula is given as;
d = √(x₂ - x₁)² + (y₂ - y₁)²
In the first line segment;
P = (0,4), Q = (7, 2)
d = √((7-0)² + (2 - 4)²)
d = √53
b)
R = (-7, 6), S = (-5, -1)
d = √((-1 - 6)² + (-5 --7)²)
d = √53
c)
T = (0, -8), V = (2, -1)
d = √((-1 --8)² + (2 - 0)²)
d = √53
The distance between the lines are all √53 units
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Aaliyah invests $7,000.00 at 4% simple interest for 1103 days.
How much interest is earned over the 1103 day period?
The interest earned over the 1103 day period is _______
How much is in the account at the end of the 1103 day period?
Aaliyah will have __________
in the account at the end of the 1103 day period.
The interest earned over the 1103 day period is $840
Aaliyah will have $7840 in the account at the end of the 1103 day period.
What is simple interest?Simple interest is defined as the amount of money that is paid to an individual following an investment that is made to an account.
The amount of money invested = $7,000.00
The rate of interest= 4%
The time of investment = 1103 = 3 years
Simple interest = P×T×R/100
= 7000×4×3/100
= 84000/100
= $840
The amount of money that is in the account at the end of the 1103 day period = 7000 + 840 = $7,840
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One factor of the function f(x) = x3 − 6x2 + 11x − 6 is (x − 3). Describe how to find the x-intercepts and the y-intercept of the graph of f(x) without using technology. Show your work and include all intercepts in your answer
One factor of the function f(x) = x3 − 6x2 + 11x − 6 is (x − 3). the x-intercepts and the y-intercept of the graph of f(x) are
x = 2, x = 3, and x = 4.(0, -6), (2, 0), (3, 0), and (4, 0). RespectivelyWhat are the x-intercepts?Generally, To find the x-intercepts, we set y equal to 0 and solve for x. In this case, the equation we need to solve is:
f(x) = x^3 - 6x^2 + 11x - 6 = 0
To solve this equation, we can use the fact that (x - 3) is a factor of the function. This means that we can write the function as:
f(x) = (x - 3)(x^2 - 3x + 2)
If (x - 3) is a factor, then x - 3 must equal 0. This gives us one x-intercept at x = 3.
To find the other x-intercepts, we can set the quadratic factor (x^2 - 3x + 2) equal to 0 and solve for x. This gives us the following equation:
x^2 - 3x + 2 = 0
We can use the quadratic formula to solve this equation:
x = (3 +/- √(9 - 8)) / 2 = (3 +/- √(1)) / 2 = (3 +/- 1) / 2
This gives us two more x-intercepts at x = 2 and x = 4.
So the x-intercepts of the graph of f(x) are x = 2, x = 3, and x = 4.
To find the y-intercept, we set x equal to 0 and solve for y. In this case, the equation we need to solve is:
f(0) = 0^3 - 6(0)^2 + 11(0) - 6 = -6
This gives us a y-intercept at (0, -6).
So the y-intercept of the graph of f(x) is (0, -6).
All of the intercepts of the graph of f(x) are, therefore (0, -6), (2, 0), (3, 0), and (4, 0).
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Work out the surface area of this solid
prism.
10cm
8cm
27cm
6cm
17cm
30cm
The diagram is not drawn to scale.
Answer:
2064 cm²
Step-by-step explanation:
You want the surface area of a prism that is 30 cm between bases that are trapezoids with parallel sides 27 cm and 6 cm that are 8 cm apart, and slant sides that are 10 cm and 17 cm.
Base areaThe area of each trapezoidal base is ...
A = 1/2(b1 +b2)h
There are two identical bases, so their total area is ...
2A = (b1 +b2)h = (27 cm +6 cm)(8 cm) = 264 cm²
Lateral area
The lateral area of the prism is the area of the four rectangular faces. Each is 30 cm wide, and their total length is the perimeter of the base;
P = 27 cm +10 cm +6 cm +17 cm = 60 cm
lateral area = Ph = (60 cm)(30 cm) = 1800 cm²
Total surface area
The total surface area of the prism is the sum of the base area and the lateral area:
total area = base area + lateral area
total area = 264 cm² +1800 cm² = 2064 cm²
The surface area of the solid prism is 2064 cm².
Algebraically prove that x^3 + 9 / x^3+8 = 1 + 1/x^3 +8 , where x ≠ -2
work out the area of a rectangle with base, b = 9.6mm and hight, h = 2mm
Answer: 19.2mm^2
Step-by-step explanation: the area of a rectangle is simply base x height
so do 9.6 x 2 to get 19.2mm^2
Nine less than two times a number is five more than this number.
The statement as an expression is 2x - 9 = 5 + x
How to determine the statement as an expression?From the question, we have the following statement that can be used in our computation:
Nine less than two times a number is five more than this number.
Express the numbers properly
So, we have the following representation
9 less than 2 times a number is 5 more than this number.
Introduce the equality symbols
So, we have the following representation
9 less than 2 times a number = 5 greater than this number.
Next, we apply the mathematical operators
So, we have the following representation
2 times a number - 9 = 5 + number.
Express the number as x
So, we have
2x - 9 = 5 + x
Hence, the expression is 2x - 9 = 5 + x
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You need a $12,000 loan to buy a good used car. Your bank offers a 3-year loan with an APR of 5% and a 5-year loan with an APR of 8%. Find the monthly payment and total interest paid for each loan option. Which would you choose? What is the better deal?
In case of APR 5% total payment made is $12,947.42 and in case of APR 8% total payment made is $14,598.94. Therefore the better deal to choose to pay the less payment is 1st case.
Define APR.APR is the annual interest produced by a sum that is paid to investors or charged to borrowers is referred to as the annual percentage rate (APR). This does not account for compounding and includes any fees or additional expenditures related to the transaction. Consumers can evaluate lenders, credit cards, or investment goods using the APR as a benchmark figure.
Initial payment is $12,000 with 5% APR and 3 year loan
Monthly payment = P[ i(1+i)ⁿ] / [(1+i)ⁿ-1]
= 12,000[0.05(1+0.05)³]/[1+0.05)³-1]
=$359.65
Over 36 payments total payment is $12,947.42
And in case of 8% APR with a 5 year loan
Monthly payment = 12,000[0.08(1+0/08)⁵] / [(1+0.08)⁵-1]
=$243.31
Over 60 payments total payment is $14,598.94
So, the best deal is 5% APR with a 3 year loan.
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Using the income statement below, calculate the following profitability ratios for Western Bookkeeping and Tax Service. Assume that stockholder's equity equals $441,600 and total assets equal $640,000.
Profit margin ratio
Return on equity ratio
Asset turnover ratio
Write the profit margin and return on equity ratios as a percent, rounded to the nearest percent. Write the asset turnover ratio as a decimal, rounded to two decimal places.
The computation of the profitability ratios for Western Bookkeeping and Tax Service is as follows:
Profit margin ratio = 8%Return on equity ratio = 8%Asset turnover ratio = 0.75.What are profitability ratios?Profitability ratios are the financial ratios that evaluate an entity's ability to convert its earnings (revenue) into profit versus different criteria.
Some of the common profitability ratios include:
Gross Profit MarginOperating Income RatioNet Income RatioReturn on Investment (ROI)Return on EquityReturn on Total AssetsAsset turnover RatioEarnings per share.Stockholders' equity = $442,600
Total assets = $640,000
Net sales = $480,000
Net income = $36,000
Profit margin ratio = Net income/Net Sales x 100
= $36,000/$480,000 x 100
= 7.5%
= 8%
Return on equity ratio = Net income/Shareholders' Equity x 100
= $36,000/$442,600 x 100
= 8.13%
= 8%
Asset turnover ratio = Net Sales/Total Assets
= $480,000/$640,000
= 0.75
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I NEED HELP ASAPPPPPP
Answer:
2.5
Step-by-step explanation:
m is the gradient
to find this we do the change in y/change in x
using the first 2 values we have been given:
change in y= 15-10
change in x= 4-2
5/2= 2.5
the gradient in 2.5
Dajon already knows that he will have $500,000 when he retires. If he sets up a payout annuity for 15 years
in an account paying 2.05% interest, how much could the annuity provide each week? Round your answer to
the nearest dollar.
The annuity provide each week is $547.59 (approx.)
Define Annuity
A fixed sum of money paid to someone each year, typically for the rest of their life.
Given,
Dajon already knows that he will have $500,000 when he retires.
P = $500,000
Next, he sets up a payout annuity for 15 years in an account paying 2.05% interest.
r = 2.05 % or 0.0205
t = 15 years
Since, annuity provide each week then
n = 52 weeks (in a year)
The Annuity formula is,
P = d [ ( 1 + r/n)^nt - 1 ] / (r/n)
where, d = regular deposit
Now, plug in the values and find the value of d
P = d [ ( 1 + 0.0205/52)^52*15 - 1 ] / (0.0205/52)
Calculate the value it gives,
P = $547.5936993 or 547.59
Hence, the annuity provide each week is $547.59 (approx.)
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358.584 divided by 8.92 using mental math and the division algorithm
Answer:
Below
Step-by-step explanation:
358.584 is about 360 8.92 is about 9
360 / 9 = 40 approx by' doing it in your head '
ACTUAL answer = 358.584/8.92 = 40.2 Pretty darn close !
1/4+1/6 in fractions
Please help me I’m giving you 25 pints things
The art museum is 8 1/2 miles from Alison's house. Alison has ridden her bike 2/3 of the way there so far. How far has she gone?
Alison has traveled six miles on her bike.
What is the distance?Distance is defined as the product of speed and time.
To find how far Alison has ridden her bike, we need to first convert 8 1/2 miles to miles as a mixed number.
We can do this by multiplying the fractional part of the mixed number by the denominator of the fraction:
8 1/2 miles = 8 miles + (1/2 x 2) miles = 8 miles + 1 mile = 9 miles
We can now multiply this distance by 2/3 to find how far Alison has ridden her bike:
9 miles x 2/3 = 6 miles
Therefore, she has ridden her bike 6 miles.
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For g(x) = 12x - 2, evaluate g (1).
A. -1
B. 1
C. 2
D. -2
Answer:
B
Step-by-step explanation:
g(x) = 12x - 2
g(1/4) = 12(1/4) - 2 ==> plug in 1/4 for x
g(1/4) = 12 * 1/4 - 2
g(1/4) = 12/4 - 2
g(1/4) = 3 - 2
g(1/4) = 1 ==> B
Answer:
Step-by-step explanation:
To evaluate g(1) for the function g(x) = 12x - 2, you can substitute the value 1 for x in the function:
g(1) = 12(1) - 2
g(1) = 12 - 2
g(1) = 10
Therefore, g(1) = 10. B
Graph by finding the x and y intercepts using a table
-3x-6y=0
Answer: see below
Step-by-step explanation:
x=0 -3(0)-6y=0 -6y=0 y=0
x=1 -3(1)-6y=0 -4-6y=0 -6y=4 y=4/6 or 2/3
x=2 -3(2)-6y=0 -6-6y=0 -6y=6 y=-1
x=3 -3(3)-6y=0 -9-6y=0 -6y=9 y= -9/6 or -3/2
x=-1 -3(-1)-6y=0 3-6y=0 -6y=-3 y=1/2
x y
-1 1/2
0 0
1 -2/3
2 -1
3 -1 1/2
Write the complete proof in your paper homework and for online (only) complete the probing statement (if any) that is a part of your proof or related to it.
Given: BD ≅ BF
DE⊥BC
F K ⊥ AB
Prove: ED ≅ F K
The triangle ΔBHK and ΔBDE are congruent with each other. Then the side length ED is equal to the side length HK.
What is the triangle?The polygonal shape of a triangle has a number of sides and three independent variables. Angles in the triangle add up to 180 °.
Replace F with H.
The triangles ΔBHK and ΔBDE are shown.
In triangles ΔBHK and ΔBDE, then we have
BD ≅ BH (Given)
∠HBK = ∠DBE (Common angle)
∠BHK = ∠BDE = 90° (Right angle)
The triangle ΔBHK and ΔBDE are harmonious with one another. Then, at that point, the side length ED is equivalent to the side length HK.
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Solve for m in the equation below. It may be helpful to convert the equation into exponential form. Write answer as an integer or reduced fraction. -2. log,(m) - 24 = - 20 m = > Next Question Find the largest value of 2 that satisfies: log, () – log (2 + 1) = 9 =
The largest possible value of 2 that satisfies the equation is approximately 1.1.
What is Exponential Form Equation?
Since y=bx, y = b x is a one-to-one inverse of the exponential function, x=by x = b y, it too is a function. We simply swap x and y and solve for y to discover the inverse function, as is the case with all inverse functions.
To solve for m in the equation -2 * log(m) - 24 = -20, we can start by converting the equation into exponential form. To do this, we can raise both sides of the equation to the power of e:
[tex]e^(-2 * log(m) - 24) = e^(-20)[/tex]
Then we can simplify:
[tex]m^(-2) = e^(-20)[/tex]
Then we can solve for m:
[tex]m = sqrt[e^20]\\\\= sqrt[20*e^9]\\\\= sqrt[20] * sqrt[e^9]\\\\= 2 * 3^(1/2)= 2 * 1.732\\\\= 3.464[/tex]
So m is approximately equal to 3.464
To find the largest value of 2 that satisfies the equation [tex]log(2^2) - log(2 + 1) = 9[/tex], we can start by expanding the left-hand side of the equation:
[tex]log(2^2) - log(2 + 1) \\\\=log(2^2 / (2 + 1))\\\\ = log(4/3) = 9[/tex]
Then we can rewrite the equation as:
log(4/3) = 9
Then we can solve for 2:
[tex]2 = (4/3)^(1/9)\\\\= (4^(1/9)) / 3^(1/9)\\\\= 1.5874010519681994 / 1.4422495703074083\\\\= 1.1[/tex]
So, The largest possible value of 2 that satisfies the equation is approximately 1.1.
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A tortoise and a hare are competing in a 2000-meter race. The arrogant hare decides to let the tortoise have a 820-meter head start. When the start gun is fired the hare begins running at a constant speed of 7.5 meters per second and the tortoise begins crawling at a constant speed of 4.5 meters per second.
a. Write an expression in terms of t that represents the hare's distance from the starting line (in meters)
b. Write an expression in terms of t that represents the tortoise's distance from the starting line (in meters).
c. Write an expression in terms of t that represents the number of meters the tortoise is ahead of the hare.
a. The hare's distance from the starting line is represented by the expression 7.5t.
b. The tortoise's distance from the starting line is represented by the expression 4.5t+820.
c. The number of meters the tortoise is ahead of the hare is represented by the expression 4.5t+820-7.5t.
In the race, the hare is running at a constant speed of 7.5 meters per second, so their distance from the starting line is equal to their speed multiplied by the time it takes them to run that distance. This is represented by the expression 7.5t, where t is the time in seconds it takes the hare to run.
Similarly, the tortoise is crawling at a constant speed of 4.5 meters per second, so their distance from the starting line is equal to their speed multiplied by the time it takes them to crawl that distance, plus the 820-meter head start they were given. This is represented by the expression 4.5t+820, where t is the time in seconds it takes the tortoise to crawl.
To find the number of meters the tortoise is ahead of the hare, we subtract the hare's distance from the starting line from the tortoise's distance from the starting line, which gives us the expression 4.5t+820-7.5t.
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