Answer:
26
Step-by-step explanation:
9=x+1
5=10÷3
9=x+1
5=3.333°
Now you need to find scale factor (sf)
5÷3.333°=1.5
SF=1.5
9÷3.333=2.7
2.7-1=1.7
x=1.7
Answer:
x = 5
Step-by-step explanation:
Given PQRS ~ UVWT and PQ = 5, RS = 9, UV = 10/3, WT = x+1, you want the value of x.
Similar polygonsCorresponding side lengths of similar polygons are proportional. This means ...
WT/UV = RS/PQ
(x+1)/(10/3) = 9/5 . . . . . . . . . . . substitute given values
Multiplying by 10/3 gives ...
x +1 = (10/3)(9/5) = 6
x = 5 . . . . . . . . . subtract 1
someone please answer
Answer:
b = 8
Step-by-step explanation:
cos Θ = [tex]\frac{adjacent}{hypotenuse}[/tex] = [tex]\frac{PQ}{QR}[/tex] = [tex]\frac{b}{14}[/tex]
given cos Θ = [tex]\frac{4}{7}[/tex] , then equate the 2 expressions , that is
[tex]\frac{b}{14}[/tex] = [tex]\frac{4}{7}[/tex] ( cross- multiply )
7b = 56 ( divide both sides by 7 )
b = 8
Use the tool to explore the side lengths and angle measures of the three triangles. Select the triangles that are congruent. Check all that apply. Triangle xyz triangle def triangle qrp.
The triangles that are congruent are triangle xyz and triangle def.
Triangles xyz, def and qrp can be tested for congruency using the Side-Angle-Side (SAS) Theorem. The SAS theorem states that if two sides and the included angle of one triangle are equal to two sides and the included angle of a second triangle, then the two triangles are congruent.
To begin, we must first determine the side lengths and angle measures of the three triangles.
For triangle xyz, the side lengths are x = 4, y = 5, and z = 6, and the angle measures are angle x = 55 degrees, angle y = 70 degrees, and angle z = 55 degrees.
For triangle def, the side lengths are d = 4, e = 5, and f = 6, and the angle measures are angle d = 55 degrees, angle e = 70 degrees, and angle f = 55 degrees.
For triangle qrp, the side lengths are q = 3, r = 4, and p = 5, and the angle measures are angle q = 40 degrees, angle r = 40 degrees, and angle p = 100 degrees.
Now that the side lengths and angle measures of the three triangles have been established, we can use the SAS theorem to determine which of the three triangles are congruent.
To test triangles xyz and def for congruency, we will compare the two triangles side by side. We can see that the side lengths of xyz and def are equal (x = d = 4, y = e = 5, and z = f = 6). We can also see that the angle measures of xyz and def are equal (angle x = angle d = 55 degrees, angle y = angle e = 70 degrees, and angle z = angle f = 55 degrees). Thus, since all of the corresponding side lengths and angle measures of xyz and def are equal, the two triangles are congruent.
To test triangles xyz and qrp for congruency, we will compare the two triangles side by side. We can see that the side lengths of xyz and qrp are not equal (x = 4, q = 3; y = 5, r = 4; z = 6, p = 5). We can also see that the angle measures of xyz and qrp are not equal (angle x = 55 degrees, angle q = 40 degrees; angle y = 70 degrees, angle r = 40 degrees; angle z = 55 degrees, angle p = 100 degrees). Thus, since the corresponding side lengths and angle measures of xyz and qrp are not equal, the two triangles are not congruent.
Therefore, the triangles that are congruent are triangle xyz and triangle def.
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Answer: A & C
Step-by-step explanation:
I got it right on edge <3
the format specifier ________ is used to output values of type float or double.
%lf format specifier is used to output values of type float or double.
All format specifiers are %. The type of data that must be provided as input and the data type that needs to be displayed on the screen are both specified by format specifiers to the compiler.
Operations involving input-output (I/O) use format specifiers. The compiler can identify the type of data in an I/O operation with the aid of a format specifier.
The format specifier is impacted by some factors. The list is as follows:
A (-) indicates left alignment.
The minimum field width is indicated by the number after %. The string will be filled with gaps if it is shorter than the width.
Separate field width and precision using a period (.).
The %f format specifier is used to output values of type float, upto second decimal position, but typically in C %lf can print a long float or a double.
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Please my sanity depends on someone knowing what this is called.
Answer:
Mandelbrot set.
Step-by-step explanation:
Mandelbrot set. Created by Wolfgang Beyer with the program Ultra Fractal 3.
Answer:
Mandelbrot set
Step-by-step explanation:
Hi! This is a pretty complex, like university level math idea! I hope this is extra credit or something. Lots of lovely examples of math in nature look like this. Hope this helps!
The recipe needs 8 ounces of butter. John only has 150 g of butter. 100 g ≈ 4 how much more butter does he need in grams?
Answer: He needs 50 more grams of butter
A small store that specializes in work boots sells 3 different models of boots. The prices of these 3 models are as follows: $10, $75, and $95. An advertisement for this store correctly states that the average cost of the boots sold there is $60.00.
The average cost of the model is 60 dollars. Therefore, the advertisement is definitely correct.
How to find the average cost of the boots?The small store that specializes in work boots sells 3 different models of boots. The prices of these 3 models are as follows: $10, $75, and $95.
An advertisement for this store correctly states that the average cost of the boots sold there is $60.00. Therefore, let's find if the advertisement for this store is correct.
Hence,
average cost = sum of the cost of the different models of boot / number of models
average cost = 10 + 75 + 95 / 3
average cost = 180 / 3
average cost = 60 dollars
Therefore, the advertisement is correct.
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What is the value of of the expression below if b = -3 and a = 5?
Answer: -170
Step-by-step explanation:
-4(2(-3)+7(5))-6(-3)^2
-4(-6+35)-6(9)
-4(29)-54
-116-54
-170
Answer:
-170
Step-by-step explanation:
-4(2(-3) + 7(5)) - 6(-3)^2
-4 ( 29) -54
-116-54
-170
If two distinct members of the set $\{ 2, 4, 12, 14, 21, 28, 98 \}$ are randomly selected and multiplied, what is the probability that the product is a multiple of 196
The probability that the product of any two distinct members of the set is a multiple of 196 is 0.2857.
Probability is a measure of the likelihood of an event occurring. It is expressed as a number between 0 and 1, with 0 indicating that the event will not occur and 1 indicating that the event will definitely occur.
If two distinct members of the set { 2, 4, 12, 14, 21, 28, 98 } are randomly selected and multiplied, then the total number of possible outcomes is:
7C2 = 21
Counting all the possible pairs of numbers whose product is a multiple of 196, there are 6 possible ways.
(98 x 4) , (98 x 12) , (98 x 14) , (98 x 28) , (28 x 14) , (28 x 21)
Solve for the probability.
p = 6 / 21 = 0.2857
Therefore, the probability is 0.2857.
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help. its a khan question
Answer:
q = 6r + 16
r = q/6 - 8/3
Step-by-step explanation:
Make q independent:
q - 10 = 6r + 6
q = 6r + 16
Make r independent:
q - 16 = 6r
(q - 16) / 6 = r
r = q/6 - 8/3
12. -al - 2be - |el If a = -3, 6 = -5,
and c = 2
problem in the photo
algebra
The value of given expression -[tex]a^{2}[/tex] - 2bc - | c | is 9 .
What is expression ?
expression can be defined as with the minimum of two variables or numbers and at least one math operation.
Given expression,
-[tex]a^{2}[/tex] - 2bc - | c |
Given values are a = -3 , b = -5 , c =2 .
By substituting given values we get,
= -(-3*-3) - 2 * (-5)(2) - |2|
= -9 - (-20) - 2
= 20-11
= 9
Hence , The value of given expression is 9 .
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The value of given expression - - 2bc - | c | is 9 .
What is expression ?expression can be defined as with the minimum of two variables or numbers and at least one math operation.
What is variables?In mathematics, a variable is a symbol, usually a letter, that represents a value or a set of values. Variables are used to represent unknown or changing values in mathematical expressions and equations.
Given expression,
- - 2bc - | c |
Given values are a = -3 , b = -5 , c =2 .
By substituting given values we get,
= -(-3*-3) - 2 * (-5)(2) - |2|
= -9 - (-20) - 2
= 20-11
= 9
Hence , The value of given expression is 9 .
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find F(s): L{(t-1)u(t-1)} where L is the laplace transformation
The solution of the given function using Laplace transform the required solution is, L{F(s)}= [tex]\frac{1}{s^{2} } e^{-s}[/tex]
Given data,
F(s): L{(t-1)u(t-1)}
Where L is the Laplace transformation
Laplace transform is the integral transform of the given derivative function with real variable t to convert into a complex function with variable s. For t ≥ 0, let f(t) be given and assume the function satisfies certain conditions to be stated later on.
F(s) = [tex]\int\limits^\alpha _0 {f(t)} e^{-st} t^{l} \,[/tex]
Where,
s = σ + [tex]iw[/tex]
F(s) = Laplace transform
s = complex number
t = real number >=0
[tex]t^{l}[/tex] = first derivative of the function f(t)
The Laplace transform reduces a linear differential equation to an algebraic equation, which can then be solved by the formal rules of algebra.
So,
We can write,
F(s): L{(t-1)u(t-1)}
F(s) = [tex]\int\limits^\alpha _0 {f(t)} e^{-st} t^{l} \,[/tex]
F(s) = [tex]\int\limits^\alpha _0 {(t-1)u(t-1)} e^{-st} \, dt[/tex]
F(s) = [tex]e^{-s} (\frac{1}{s^{2} } )[/tex]
F(s) = [tex]\frac{1}{s^{2} } e^{-s}[/tex]
Therefore,
The solution of the given function using Laplace transform the required solution is, L{F(s)}= [tex]\frac{1}{s^{2} } e^{-s}[/tex]
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Jean wants to save up to put a $2,000 down pay payment on a car. If he deposits $1,800 in an account that earns 4.8% interest compounded monthly, how long will it take for the account to. reach $2,000 Round to the hundredths place.
I am lost
[tex]~~~~~~ \textit{Compound Interest Earned Amount} \\\\ A=P\left(1+\frac{r}{n}\right)^{nt} \quad \begin{cases} A=\textit{accumulated amount}\dotfill & \$ 2000\\ P=\textit{original amount deposited}\dotfill &\$1800\\ r=rate\to 4.8\%\to \frac{4.8}{100}\dotfill &0.048\\ n= \begin{array}{llll} \textit{times it compounds per year}\\ \textit{monthly, thus twelve} \end{array}\dotfill &12\\ t=years \end{cases}[/tex]
[tex]2000 = 1800\left(1+\frac{0.048}{12}\right)^{12\cdot t} \implies \cfrac{2000}{1800}=(1.004)^{12t}\implies \cfrac{10}{9}=1.004^{12t} \\\\\\ \log\left( \cfrac{10}{9} \right)=\log(1.004^{12t})\implies \log\left( \cfrac{10}{9} \right)=t\log(1.004^{12}) \\\\\\ \cfrac{\log\left( \frac{10}{9} \right)}{\log(1.004^{12})}=t\implies 2.20\approx t\qquad \textit{about 2 years and 73 days}[/tex]
Find the measure of the vertex angle EJF.
(USE PICTURE TO HELP ANSWER PROBLEM)
The value of the central angle EJF formed by the given polygon is; 20°
How to find the central angle of a polygon?To find the central angle of a polygon, we will simply divide 360 degrees by the number of sides of the polygon.
Now, the number of sides of the given polygon when completed will be 18 sides. Thus, we can say that;
Central angle = 360/18
Central angle = 20°
Now, we know that the base of isosceles triangles are equal. Since we know that the sum of angles in all triangles is 180 degrees, then we can say that;
∠E = ∠F = [180 - 20]/2
∠E = ∠F = 80°
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The two triangles below are similar. Calculate the value of x, and make sure to show all of your work
Answer:
x = 18.8
Step-by-step explanation:
The triangles are similar triangles.
We can write the following equation to find the value of x based on the above mentioned information:
[tex] \frac{26}{35} = \frac{14}{x} [/tex]
Cross multiply fractions26x = 35×14
26x = 490
Divide both sides by 26x = 18.8 approximately
3(x+2)
Distributive property
Answer:
3x+6
Step-by-step explanation:
This problem is quite simple, all you need to do is you multiply the 3 on the outside of the parenthesis times x, which results in 3x, next multiply 3 times 2 and it becomes a six.
pls answer to the question
Answer:
12f
Step-by-step explanation:
3f + 3f + 3f + 3f = 12f
How many 2 digit even numbers can be formed from the digits 1,2 3 4 5 if the digits can be repeated?
25, 2 digit even numbers can be formed from the digits 1,2 3 4 5 if the digits can be repeated
With the possibility of repeating digits, the answer is actually quite simple. All you need to do is multiply the total number of digits (5) by the total number of digits (5) to get 25.
This means that there are a total of 25 two-digit even numbers that can be formed using the given digits. The even numbers that can be formed are: 22, 24, 26, 28, 32, 34, 36, 38, 42, 44, 46, 48, 52, 54, 56, 58, 62, 64, 66, 68, 72, 74, 76, 78, and 82.
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h
Choose SSS, SAS, or neither to
compare these two triangles.
A large, regular hexagon is drawn on the ground, and a man stands at one of the vertices. The man flips a coin. If the coin lands heads, he walks counterclockwise along the edge of the hexagon until reaching the next nearest vertex. If the coin lands tails, he walks clockwise around the hexagon until reaching another vertex. Once there, he repeats the process. The man flips the coin a total of six times. What is the probability that the man is standing where he started when he is finished
The probability that the man is standing where he started when he is finished is 1/2
What is probability?Probability is the branch of mathematics concerning numerical descriptions of how likely an event is to occur, or how likely it is that a proposition is true. The probability of an event is a number between 0 and 1, where, roughly speaking, 0 indicates impossibility of the event and 1 indicates certainty.Given is that a large, regular hexagon is drawn on the ground, and a man stands at one of the vertices. The man flips a coin. If the coin lands heads, he walks counterclockwise along the edge of the hexagon until reaching the next nearest vertex. If the coin lands tails, he walks clockwise around the hexagon until reaching another vertex. The man flips the coin a total of six times.
Now, for either all heads or all tails, the person will land at same place. So, we can write that -
number of favorable outcomes = N{F} = 6
total number of favorable outcomes = N{T} = 12
P{E} = N{F}/N{6}
P{E} = 6/12
P{E] = 1/2
Therefore, the probability that the man is standing where he started when he is finished is 1/2.
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What is the product 4y 3 )( 2y² 3y 5?
The equation of the product is 4y³ and 2y² multiplied by 3y and 5 is equal to 24y⁴ plus 15y³.
4y³ x 2y² = 8y⁵
8y⁵ x 3y = 24y⁴
24y⁴ x 5 = 15y³
24y⁴ + 15y³ = 24y⁴ + 15y³
The product of 4y³ and 2y² multiplied by 3y and 5 is equal to 24y⁴ plus 15y³. To calculate this product, the first step is to multiply 4y³ and 2y² together. This will give us 8y⁵. Then, we multiply 8y⁵ by 3y to get 24y⁴. Finally, we multiply 24y⁴ by 5 to get 15y³. When we add 24y⁴ and 15y³, we get the final answer 24y⁴ plus 15y³. This calculation shows us how to multiply two expressions and then add them to get the product of four terms.
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If the length of one side of a square is increased by 20%, then the perimeter will increase by a) 5% b) 10% c) 20% d) 40% e) 80%
If the length of one side of a square is increased by 20%, then the perimeter will increase by 40%.
To solve this, consider a square with side lengths. The perimeter of this square is 4s. If we increase the side length by 20%, the new side length is 1.2s. The perimeter of the new square is 4(1.2s) = 4.8s. The increase in the perimeter is 4.8s - 4s = 0.8s, or 80% of the original perimeter. Since the original perimeter was 4s, this is an increase of 80% of the original perimeter or 40% of the original side length.
Therefore, the correct answer is d) 40%.
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If the length of one side of a square is increased by 20%, then the perimeter will increase by 20%.
Therefore the answer is c) 20%.
Let length of the one side of a square be a. Then the new length after 20% is
a + 0.20a = 1.20a
Perimeter of a square is the sum of length of all four sides. Thus initial perimeter of the square is
a + a + a + a = 4a
New perimeter of the square with side 1.2a is thus calculated by
4×1.2a = 4.8a
Percentage increase in perimeter can be calculated by
(4.8a - 4a)/ 4a × 100, that is
[tex]=\ \frac{4.8a\ -\ 4a}{4a}\ 100[/tex]
= 0.8a/4a × 100
= 20%
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It costs $5820 to get new windows for a certain house. Each of the 28 windows costs the same amount.
Determine an estimate for the cost of each window. Justify your reasoning.
What is the cost of each window, rounded to the nearest dollar? Show your work. Leave the remainder undivided.
The cost of each window, rounded to the nearest dollar is $280.
What is Estimation?Estimation of a number is a reasonable guess of the actual value to make calculations easier and realistic.
Estimation means approximating a quantity to the required accuracy.
This is obtained by rounding off the numbers involved in the calculation and getting a quick and rough answer.
The total cost = $5820
Number of windows = 28
Cost of one window = 5820/28
Cost of one window = $208 (estimated)
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Given the equation 2 x + 2 / = 4 w + 2 what is the value of x?
Answer:
Subtract 2 from both sides to get:
2 x = 4 w
Then, you could divide both sides by 2 to get:
x = 2 w
Therefore, the value of x is 2 w.
McKyla works as a server in a restaurant. She earns from $2400.00 to $2800.00 every
month in wages (including tips). If McKyla wants to construct a conservative budget, what
should she state as her income for each month? To be conservative, an under-estimate should
be used. McKyla should allot herself $2400.00 a month.
The statement that, to be conservative, an under-estimate should be used, is True.
What is a conservative estimate ?A conservative estimate is a prediction or projection that is intentionally lower than what is expected or believed to be the actual outcome. This type of estimate is often used in financial planning or decision-making in order to be more cautious and avoid potential risks or disappointments.
Conservative estimates are based on the idea that it is better to be overly cautious and prepare for the worst-case scenario than to be overly optimistic and potentially be caught off guard.
This means that if McKyla wants a conservative budget, the wages should be put at the lower amount of $ 2, 400.
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What is the equation of the line that passes through the point (5, 1) and has a
slope of F?
Answer:
Step-by-step explanation:
use the point-slope form of the equation if a straight line:
Y - y1 = m(x - x1)
Y - 1 = F(x - 5)
Y = Fx - 5F + 1
two widely used metrics of variation are the __________ and the _________.
The two widely used metrics of variation are the coefficient of variation (CV) and the standard deviation (SD).
Coefficient of variation (CV) is a measure of relative variation and is often used to compare variation between populations or groups with different means. It is calculated as the ratio of the standard deviation to the mean, multiplied by 100 to express the result as a percentage. It's a dimensionless value, which means it can be used to compare the variation of different variables that are measured in different units.
Standard deviation (SD) is a measure of the amount of variation or dispersion of a set of values. It is calculated as the square root of the variance, which is the average of the squared differences from the mean. Standard deviation is a measure of absolute variation and is typically used to describe the spread of data within a single population or group.
Both of these metrics are important in understanding the variation within a population, with the CV being useful in comparing different groups and SD being used to describe the spread of data within a single group.
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The Cabrera family makes $92,800 annually and has 2 children. The state in which they live allows a
$2,000 deduction for married couples and $900 for each dependent or child. The tax rate is 4.8%. What is
their annual state income tax?
Their annual state income tax could be $4050 if there is $2,000 deduction for married couples and $900 for each dependent or child.
What is percentage?
percentage can be defined as the product of ratio of given value , total value and hundred.
Given,
The Cabrera family makes $92,800 annually and has 2 children. The state in which they live allows a $2,000 deduction for married couples and $900 for each dependent or child. The tax rate is 4.8%.
As it is a family so $2,000 deduction for married couples
and they are having two childs so we will deduct another $1800 .
so now the actual amount = $92800 - $2000 - $1800
Amount = $90000
The tax rate = 4.5%
that is amount to be paid = 4.5 % of 90000
= 4.5 / 100 * 90000
= 45/1000 * 90000
= 45 * 90
= 4050
Hence, Their annual state income tax could be $4050 .
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Lesson 3:Dilations with no grid cool down: A single dilation of a triangle
Lin drew a triangle and a dilation of the triangle with scale factor 1/2
1. What is the center of the dilation? explain how you know.
2.Which triangle is the original and which triangle is the dilation explain how you know.
1. The center of dilation is vertex A, as it is the common vertex for both triangles.
2. The original triangle is the triangle ABC, while the dilated triangle is triangle AED, as the side lengths of triangle AED are the side lengths of triangle ABC multiplied by the scale factor.
What is a dilation?A dilation happens when the coordinates of the vertices of an image are multiplied by the scale factor, changing the side lengths of a figure.
For this problem, the scale factor of the dilation is given as follows:
k = 1/2.
Meaning that the side lengths of the dilated triangle are half the side lengths of the original triangle, which is the reason for which ABC is the original triangle while AED is the dilated triangle.
As the vertex A is a common vertex to both triangles, it represents the center of dilation for this problem.
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the talk time battery life of a group of cell phones is normally distributed with a mean of 5 hours and a standard deviation of 15 minutes what percent of phones have a battery life less than 5 hours or greater than 5.5 hours
The percent of phones have a battery life less than 5 hours or greater than 5.5 hours is 52.27%.
What is z score?A z-score, also known as a standard score, provides information on how far a data point is from the mean. Technically speaking, however, it's a measurement of how many standard deviations a raw score is from or above the population mean.
You can plot a z-score on a normal distribution curve. The range of Z-scores ranges from -3 standard deviations (which would be on the far left of the normal distribution curve) to +3 standard deviations (which would fall to the far right of the normal distribution curve). You must be aware of the mean and population standard deviation in order to use a z-score.
Given the talk time battery life of a group of cell phones
Mean = μ = 5 hours
standard deviation = σ = 15 minutes = 0.25 hours
to calculate P(5 > x > 5.5)
formula for z score is
z = (x - μ)/σ
x = 5
z = (5 - 5)/.25
z = 0
P-value from Z-Table:
P(x < 5) = 0.5
P(x > 5) = 1 - P(x<5) = 0.5
at x= 5.5
z = (5.5 - 5)/.25
z = 2
P-value from Z-Table:
P(x < 5.5) = 0.97725
P(x > 5.5) = 1 - P(x < 5.5) = 0.02275
P(5 < x < 5.5) = P(x < 5.5) - 0.5 = 0.47725
for P(5 > x > 5.5) = 1 - P(5 < x < 5.5) = 1 -0.47725
P(5 > x > 5.5) = 0.52275
percent = 0.52275 x 100 = 52.27%
Hence the percent at P(5 > x > 5.5) is 52.27%.
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a car is 5.5 ft long. a truck is 15% longer than the car . how long is the truck
The length of truck is equal to 6.325 feet.
What are the types of percentage change?In Mathematics, there are two (2) main types of percentage change and these include the following:
Percentage decrease.Percentage increase.Mathematically, percentage increase can be calculated by using this formula:
Percentage increase = [Final value - Initial value]/Initial value × 100
Based on the information provided above, we have the following parameters about the car and truck;
Length of car = 5.5 feet.
Percentage increase in length of truck = 15%.
Now, we can calculate the length of the truck by using this mathematical expression;
Length of truck = 115/100 × 5.5
Length of truck = 1.15 × 5.5
Length of truck = 6.325 feet.
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