yes
Step-by-step explanation:
5
A rectangular yard measuring 35 ft by 55 ft is bordered (and surrounded) by a fence. Inside, a walk that is 3 ft wide goes all the way along the fence. Find the area of this walk. Be sure to include the correct unit in your answer.
The area of walk is 504 square feet
Area of rectangleThe area of rectangle is define as a product of length L and width w
calculate the area of rectangle yard
Area = L x W,
where A equal the Area, L equals the length and W equal width.
A = 35 x 55
A= 1925 square feet
Area of the rectangular yard is 1925 square feet
From the question, we have 3ft wide goes all the way along the fence inside.
Therefore, we subtract six feet from each of the value of length ( 35) and width (55) because each side has 3feet .
Area = L x W
A = 29 x 49
A = 1421 square feet
Area of new rectangle formed by allowing for three foot walk is 1421 square feet
Area of Walk
To get the area walk; we subtract area of new rectangular formed from area of rectangular yard
Area of Walk = Area of Rectangular yard - Area of new rectangle
Area of Walk = 1925 - 1421
Area of Walk = 504 square feet.
Therefore, the area of walk is 504 square feet.
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what number multiplied by 23 as a product of 1
The number that should be multiplied by 2/3 to get a product 1 is 3/2
What is the Reciprocal of two numbers?
One of two numbers that, when multiplied together, equals to 1 is known as a reciprocal or multiplicative inverse.
Transposing the numerator and denominator will allow you to get the reciprocal if you can reduce the number to a fraction.
Let the number that would result in product 1 be "x"
So, According to the question:
=> x × 2/3 = 1
Solving for x,
Dividing by 3/2 both sides
⇒x = 3/2 which is the reciprocal of 2/3
Hence,
The number that should be multiplied is 3/2
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How do you find the slope of a vertex?
How to find a parabola's equation using its Vertex Form
Step 1: use the (known) coordinates of the vertex, (h,k), to write the parabola's equation in the form: y=a(x−h)2+k. ...
Step 2: find the value of the coefficient by substituting the coordinates of point P into the equation written in step 1 and solving for a.
Need help pls on maths question
Answer please anyone help same doubht
Step-by-step explanation:
Answer:
Refer to the photos taken.
Step-by-step explanation:
The table shows the lengths of hiking trails. It took Lannie 1.9 hours
to hike Ranger Cove Trail. It took Ava 4 hours to hike Mohawk Trail.
Write and solve an equation to find the average hiking rate for
Lannie. Write and solve an equation to find the average hiking rate
for Ava. What is the difference between their average hiking rates?
Round to the nearest tenth.
The difference between their average hiking rates is 0.51 miles/hour.
Given that, it took Lannie 1.9 hours to hike Ranger Cove Trail. It took Ava 4 hours to hike Mohawk Trail.
What is the speed?The speed formula can be defined as the rate at which an object covers some distance. Speed can be measured as the distance travelled by a body in a given period of time. The SI unit of speed is m/s.
Using speed =Distance/Time
Here, Ranger Cove distance =4.8 miles and time =1.9 hours
Now, rate =4.2/1.9
= 2.21 miles/hour
Mohawk Trail distance =6.8 miles and time =4 hours
Now, rate =6.8/4
= 1.7 miles/hour
The difference between their average hiking rates
= 2.21-1.7
= 0.51 miles/hour
Hence, the difference between their average hiking rates is 0.51 miles/hour.
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Gert invested all of her money at the end of 2000. At the end of each year, she checks the value of her investment. At the end of what ear will she first find she's doubled her money if gert invested all of her money at 5% simple interest?
The year in which Gert will find that she has doubled her money is year 20.
What year will the amount have doubled?
Simple interest is when the interest earned on an investment increases linearly each year.
The formula that can be used to determine simple interest is:
Simple interest = amount invested x duration of the investment x interest rate.
When the amount of money in the account is double what it is now, it means that the interest earned would be $2000 and the value of the account would $4000 (2000 + 2000).
Year when investment would have doubled = simple interest / (amount invested x interest rate)
Year when investment would have doubled = $2000 / (0.05 x 2000)
Year when investment would have doubled = $2000 / 100 = 20 years
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Ms. Rios mowed
1
4
of her lawn. Her son mowed
3
7
of it. Who mowed most of the lawn? How much of the lawn still needs to be mowed?
Her son mowed the most lawn
35%of the lawn meeds to be mowed
In which quadrant is the number 5i located on the complex plane?
The number 5i located on the complex plane in I Quadrant.
What is Complex Plane?
The real axis and the imaginary axis are the graph's horizontal and vertical axes, which are orthogonal (or perpendicular). The labels Re and Im are typically present. The complex plane is the plane defined by these coordinates.
We are aware that in a two-dimensional plane, an ordered pair's x- and y-coordinates are treated as the real and imaginary parts of the complex number, respectively.
i.e., a+bi=(a,b) -- Quadrant I,
-a+bi=(-a,b) -- Quadrant II,
a-bi=(a,-b) -- Quadrant III
and
-a-bi=(-a,-b) -- Quadrant IV
The complex number that is being presented is 5i, aland it is located in quadrant I.
As a result, the complex number in question belongs in Quadrant I.
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Cindy is attempting to calculate how much her car payment would be for a car that costs $27,000 to be repaid with monthly payments in 4 years at 4% APR.
Cindy's monthly payment of $609.63 will cost her $29,262.24 in 4 years at a 4% APR.
How is the total cost determined?The total cost that Cindy will spend on the car which costs $27,000 is computed by multiplying the monthly payment by 48 months (the payment period).
The monthly payment can be determined using an online finance calculator that compounds the interest rate monthly for four years.
Cost of car = $27,000
Annual Percentage Rate (APR) = 4%
Payment period = 4 years (monthly)
N (# of periods) = 48 months (4 years x 12)
I/Y (Interest per year) = 4%
PV (Present Value) = $27,000
FV (Future Value) = $0
Results:
PMT = $609.63
Sum of all periodic payments = $29,262.24
Total Interest = $2,262.45
Thus, Cindy will spend $29,262.24 for a car that costs $27,000, if she repays monthly for 4 years.
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Choose the symbol that correctly compares these numbers.
18.6? 18.7
O A. <
OB. =
O C. >
Answer: A
Step-by-step explanation:
18.6 is less than 18.7
so 18.6<18.7
Select the correct answer.
Which exponential equation is equivalent to this logarithmic equation?
log^5 x - log^5 25 = 7
Answer:
[tex]\textsf{D.} \quad 5^9=x[/tex]
Step-by-step explanation:
Given logarithmic equation:
[tex]\log_5x-\log_525=7[/tex]
[tex]\textsf{Apply the quotient log law}: \quad log_ax - \log_ay=\log_a \left(\dfrac{x}{y}\right)[/tex]
[tex]\implies \log_5\left(\dfrac{x}{25}\right)=7[/tex]
[tex]\textsf{Apply log law}: \quad \log_ab=c \iff a^c=b[/tex]
[tex]\implies 5^7=\dfrac{x}{25}[/tex]
Multiply both sides by 25:
[tex]\implies 25 \cdot 5^7=x[/tex]
Rewrite 5 as 5²:
[tex]\implies 5^2 \cdot 5^7=x[/tex]
[tex]\textsf{Apply exponent rule}: \quad a^b \cdot a^c=a^{b+c}[/tex]
[tex]\implies 5^{2+7}=x[/tex]
[tex]\implies 5^9=x[/tex]
A sample of bacteria is decaying according to a half-life model. If the sample begins with 700 bacteria, and after 13 minutes there are 630 bacteria, after how many minutes will there be 20 bacteria remaining?
When solving this problem, round the value of k to four decimal places and round your final answer to the nearest whole number
The number of minutes for 20 bacteria be left is 439minutes. The decay constant is 0.0081
What is exponential function?An exponential function is a mathematical function, which is used in many real-world situations. It is mainly used to find the exponential decay or exponential growth or to compute investments, model populations and so on.
The No of bacteria left at a particular time t is given as N(t)= Noe^-kt
where No= initial number of bacteria
k= decay constant and t = time
after 13 minutes
630= 700e^-13k
divide both sides by 700
630/700= e^-13k
0.9= e^-13k
ln0.9= -13k
k= ln0.9/-13 = -0.1054/-13 = 0.0081
time for 20 bacteria to be left =
20= 700e^-0.0081t
= 20/700=e^-0.0081t
0.0286= e^-0.0081t
ln0.0286= -0.0081t
-3.554= -0.0081t
divide both sides by -0.0081
t= -3.554/-0.0081= 439 minutes ( nearest minutes)
therefore the time for the bacteria to be left is 439minutes
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What does an exponential decay model look like?
Exponential decay graph looks like see the given image attached.
What is exponential decay?The process of diminishing an amount by a constant percentage rate over time is known in mathematics as exponential decay. The quantity drops gradually, followed by a dramatic decline in the rate of change and growth over time.
A linear function reduces the original number by the same amount each time, but exponential decay reduces the original amount by a constant percentage over time. Exponential decay differs from linear decay in this way: the decay factor depends on a percentage of the original quantity.
The exponential decay formula is used to determine this decline in growth.
Formula of exponential decay is given by
Its graph is given by
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what is the fourth term of d 4b3
The fourth term of the polynomial (d - 4b)³ is D. -64d³.
What is a polynomial?A polynomial is an expression involving the operations of addition, subtraction, multiplication of variables.
Given the expression (d - 4b)³, we need to open the bracket, hence:
(d - 4b)³ = d³ + 3(d²)(-4b) + 3(d)(-4b)²
= d³ - 12bd² + 48b²d - 64d³
Therefore, the fourth term of (d - 4b)³ is D. -64d³
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Determine the rate of change.
The rate of change of the table is -500
How to determine the average rate of changeThe average rate of change of a function, graph, table or ordered pair is simply the slope of the relation
The function is represented by the table of values
The interval of the function are the x values
So, we make use of x values
x = 0 and x = 2
Start by calculating f(0) and f(2)
From the table, we have
f(0) = 30000
f(2) = 29000
So, the average rate over these intervals is calculated as:
Average rate = [f(2) - f(0)]/[2 - 0]
Substitute known values
Average rate = [30000 - 29000]/[0 - 2]
Simplify
Average rate = -500
Hence, the rate of change is -500
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The admission fee at a local zoo is $1.50 for children and $5.00 for adults. On a certain day, 3700
people enter the zoo and
$11, 500.00 is collected. How many children and how many adults
attended?
How many children attended?
How many adults attended?
The graph of a piecewise function, f(x), is depicted above. Find its equation:
The function of piecewise graph shown in the figure is,
f(x) = {y = 6 for x < -5
{ [tex]y = -\frac{19}{9}x-\frac{5}{9}[/tex] for -5 ≤x < 5
{ y = 8/5x -14 for x ≥ 5
What is piecewise function?
A piecewise-defined function in mathematics is a function with several sub functions, each of which has a certain interval in the domain for which it is applicable. Piecewise definition is a method of expressing the function, not a property of the function.
From graph we can see that the first function is a line y = 6
Hence, f(x) = {y = 6 for x < -5}
Now to find the equation of second function.
From graph we get two points (-5, 10) and (4, -9).
First to find the slope
[tex]m = \frac{-9-10}{4+5} = \frac{-19}{9}[/tex]
Now to find the equation of line, using slope point form
[tex]y - 10 = \frac{-19}{9} (x-(-5))\\y-10=-\frac{19}{9}x-\frac{95}{9} \\ y=-\frac{19}{9}x-\frac{95}{9} + 10\\y = -\frac{19}{9}x -\frac{5}{9}[/tex]
So, f(x) = { [tex]y= -\frac{19}{9}x-\frac{9}{5}[/tex], for -5 ≤ x < 5}
Now to find the equation of third line.
From graph we get two points (5, -6) and (10, 2).
First to find the slope of the line
[tex]m = \frac{2-(-6)}{10-5} = \frac{8}{5}[/tex]
Now to find the equation of line, using slope point form
[tex]y-(-6)=\frac{8}{5}(x-5)\\ y+6=\frac{8}{5}x-8\\ y = \frac{8}{5}x - 14[/tex]
So, f(x) = {[tex]y = \frac{8}{5}x-14[/tex], for x ≥ 5}.
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Mia needs to bring at least 25 pieces of fruit to the school picnic. She is bringing both apples and oranges, and was told to be sure to bring more than 10 apples. Let x represent the number of apples and y represent the number of oranges. Select all inequalities that model this situation.
All the inequalities that model the given situation are;
x + y ≥ 25
x > 10
y > 0
How to solve Inequality word problems?
We are told that;
x represents the number of apples.
y represent the number of oranges.
Now, Mia needs to bring at least 25 pieces of fruit to the school picnic. Thus, the inequality is expressed as;
x + y ≥ 25
She is bringing both apples and oranges, and was told to be sure to bring more than 10 apples. Thus, the inequality is expressed as;
x > 10
Since we are not told the maximum number of oranges, then we can say it must be more than zero and as such we have the third inequality as; y > 0
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Gloria is preparing to visit her grandmother in Florida and needs to buy some new clothes for the trip. She buys 3 t shirts and pays $48
How much would she pay for 1 t shirt?
How much would she pay for 5 t shirts?
Answer:
Step-by-step explanation: How much is 1 t shirt
A quality control activity analysis indicated the following four activity costs of a hotel. Verifying credit card information $189,800 Customer service training 379,600 Discounting room rates due to poor customer service 94,900 Correcting charges to customer invoices 284,700 Total $949,000
The percentage of the quality cost, that is taken up by the prevention and appraisal costs are:
Prevention cost - 40%Appraisal cost - 20%How to find the percentage of cost?The prevention cost would be the cost associated with customer service training as this ensures that less mistakes are made.
The appraisal cost would be the cost to verify credit card information.
The percentage of total quality control cost that prevention cost is, would be:
= 379, 600 / 949, 000 total
= 40 %
The percentage for appraisal cost is:
= 189, 800 / 949, 000
= 20 %
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The rest of the question is:
Present the percentage values of prevention and appraisal as a percentage of the quality cost.
someone pls help me m = -0.5d + 5
Answer:
Step-by-step explanation:
1) Subtract 5 from both sides.
[tex]m-5=-0.5d[/tex]
2) Divide both sides by -0.5.
[tex]-\frac{m-5}{0.5} =d[/tex]
3) Switch sides.
[tex]d=-\frac{m-5}{0.5}[/tex]
Thank you,
Eddie
At this rate, if Candidate A received 45 votes, how many votes did Candidate B receive?
The number of votes that Candidate B received, given the rate and the votes received by Candidate A, is 63 votes
How to find the number of votes?The question shows that for every 5 votes received by Candidate A, Candidate B will receive 7 votes.
This means that if Candidate A has 45 votes, the number of votes that Candidate B would receive can be found to be :
= Number of votes received by Candidate A / Number of votes Candidate A receives per Candidate B x Number of votes Candidate B receives per Candidate A
= 45 / 5 x 7
= 9 x 7
= 63 votes
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The first part of the question is:
Candidate A receives about 5 votes for every 7 votes received by Candidate B.
¿cuál es el área en cm² de la base de un prisma que tiene una altura de 51 cm y un
volumen de 245,8 cm³?
Respuesta:
On solving the given question, we got Area of the base prism = bh/2 = (4.819 X 51)/2 = 122.89 cm2
What is a prism?A prism is a polyhedron in geometry that has an n-sided polygonal basis, a second base that is a shifted version of the first base, and n additional faces—necessarily all parallelograms. Connect the matching sides of the two bases.
h = 51 cm
a = 2cm
therefore,
volume of a Triangular Prism = (½) abh cubic cm
245.8 = [tex]\frac{1}{2}[/tex] X 2 X b X 51
[tex]= > b = \frac{245.8 X 2}{2 X 51}[/tex]
[tex]= > b = \frac{491.6}{102}[/tex]
[tex]= > b = 4.819[/tex]
Now Area of base of prism
Area of the base prism = bh/2 = (4.819 X 51)/2 = 122.89 cm2
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A manufacturer makes a lotion that contains 20 drops of lavender oil and 8 teaspoons of jojoba oil. There are 50 drops of lavender and 20
teaspoons of jojoba oil. Determine if the amount of lavender oil y is proportional to the amount of jojoba oil x by graphing the relationship on a
coordinate plane on paper. The relationship Select Choice proportional because the graph Select Choice a straight line through the
origin.
The amount of lavender oil y is proportional to the amount of jojoba oil x
What is proportionality?Two quantities are said to be linearly proportionate if change in one quantity produce proportionate amount of change in the other quantity, or the ratio of the two quantities is fixed.
Given,
In the first case, 20 drops of lavender oil and 8 teaspoons of jojoba oil.
In second case, 50 drops of lavender and 20 teaspoons of jojoba oil.
Ratio in first case:
x:y = 20:8
= 5:2
Ratio in second case:
x:y = 50:20
= 5:2
Since ratio is fixed in both the cases, the amount of lavender oil y is proportional to the amount of jojoba oil x.
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y.y^3.y^2 pleas help me and spread the gospel of God
Answer:
[tex]y^6[/tex]
Step-by-step explanation:
1) Use Product Rule: [tex]x^ax^b=x^{a+b}[/tex].
[tex]y^{1+3+2[/tex]
2) Simplify 1 + 3 to 4.
[tex]y^{4+2}[/tex]
3) Simplify 4 + 2 to 6.
[tex]y^6[/tex]
Thank you,
Eddie
The 2148 guests at a hotel have the choice to either go on a boat tour or go scuba diving. people decided to go scuba diving. people decided to neither scuba dive nor go on a boat tour. Each boat holds people. How many boats are needed?
The number of boats needed for 1491 people are 20.
What is the cross-product?
The cross product, also known as the vector product in mathematics, is a binary operation on two vectors in a Euclidean vector space that is oriented in three dimensions. It is represented by the symbol times.
We have,
134 people decided to go scuba diving,
523 people decided to neither scuba dive nor go on a boat tour,
So, people go to boat tour = 2148 -(134 + 523)
= 2148 - 657
= 1491
now, since each boat holds 78 people.
[tex]\frac{1491}{78} = 19\frac{3}{26}[/tex]
= 20 boats.
Hence, the number of boats needed for 1491 people are 20.
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Complete Question
The 2148 guests at a hotel have the. the choice to either go on a boat tour or go scuba diving. 134 people decided to go scuba diving. 523 people decided to neither scuba dive nor go on a boat tour. Each boat holds 78 people. How many boats are needed? Explain your reasoning.
You recently joined a gym. You had to pay a joining fee of $40, and you will pay $20 per month to maintain the membership. Part A (6 points) Write an equation in slope-intercept form that represents the cost of the membership in relation to time.
The cost of the membership is the initial joining fee plus the cost per month multiplied by the number of months.
If the cost after [tex]m[/tex] months is [tex]c[/tex] dollars, then [tex]c=20m+40[/tex].
how to find the degree of a polynomial in factored form
The degree of a polynomial in factored form is the number of zeros or roots of that polynomial.
Given:
Degree of a polynomial:
Degree is the highest or the greatest power of a variable in a polynomial equation.
ex : 2x^2 + 2xy^2
Degree = 3
Degree of a polynomial in factored form:
Degree of a polynomial in factored form is the number of zeros or roots of that polynomial.
Example:
= (x-1) (x-2) (x-3)
number of roots = 3
Degree = 3
= (y-5)(y+3/2)(y-4)(y+1)
number of roots = 4
Degree = 4
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Consider the expression 4x^2+x+34x 2 +x+34, x, squared, plus, x, plus, 3. Complete 222 descriptions of the parts of the expression.
[tex]72x^{2}+3x+3[/tex]Answer:
Step-by-step explanation:
[tex]1. (4x^{2}+34x^{2} +34x^{2} )+(x+x+x)+3\\ 2. 72x^{2} +3x+3[/tex]
Fill in the t-table below for the equation. Then graph the line on the grid by selecting two of the points
from your table.
y=-3x - 4
X
-1
0
1
y
The complete table of values of the linear equation y = -3x - 4 is
x y
-1 -1
0 -4
1 -7
How to complete the table of values?From the question, we have the following parameters that can be used in our computation:
y = -3x - 4
Also, we have the following table of values
x y
-1
0
1
The above table of values mean that the x values are
x = -1, 0 and 1
Substitute x = -1, 0 and 1 in the equation y = -3x - 4
So, we have the following representation
When x = -1
y = -3(-1) - 4 = -1
When x = 0
y = -3(0) - 4 = -4
When x = 1
y = -3(1) - 4 = -7
So, we have the following ordered pairs
(-1, -1), (0, -4) and (1, -7)
When represented on the table of values, we have
x y
-1 -1
0 -4
1 -7
The above represents the complete table of values
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