Answer:
Lyric ran faster.
Step-by-step explanation:
When you plot y = 5x, you can trace a certain point to see which value is higher. When I plotted y = 5x and chose the point when x = 8, y = 40 for Kira, and for Lyric, at x = 8, y = 80. Since the y coordinate (distance) is higher, Lyric ran faster.
Lyric ran faster than Kira, since they were travelling a longer distance when comparing to Kira in the same period of time.
Step-by-step explanation:You may use the following logic to analyze this situation. Theoretically, the faster runner will have traveled a longer distance at any given point in time different than 0 when comparing to the other runner. Therefore, let's randomly pick a point in time to see who had traveled the longer distance.
The time we'll evaluate will be 4 seconds.
1. Evaluating the function to find Kira's traveled distance at 4 seconds.
For this, simply substitute the "x" by the number "4" in the given equation for Kira:
\(y=5(4)\\ \\y=20\)
Conclusion: Kira had traveled a total distance of 20 yards, 4 seconds after starting the race.
2. Evaluating the function to find Lyric's traveled distance at 4 seconds.
To evaluate the graph, we'll have to draw a line where x=4 sits and then find the value of "y" the function returns. Check the attached images in order to see this process.
Conclusion: Lyric had traveled a total distance of 40 yards, 4 seconds after starting the race.
3. General conclusion.
After 4 seconds Kira traveled 20 yards;
After 4 seconds Lyric traveled 40 yards.
Conclusion: Lyric ran faster than Kira, since they were travelling a longer distance when comparing to Kira in the same period of time.
(q1) Find the length of the curve described by the function
The value of the Integral at the lower limit from the value of the integral at the upper limit to get the length of the curve.
The length of the curve described by the function f(x) = 1 + 3x^2 + 2x^3 is to be found. The formula used to find the length of a curve is:
L = ∫(sqrt(1 + [f'(x)]^2))dx where f'(x) is the derivative of f(x)We have to first find f'(x):f(x) = 1 + 3x^2 + 2x^3f'(x) = 6x + 6x^2
The integral becomes:L = ∫(sqrt(1 + [6x + 6x^2]^2))dx = ∫(sqrt(1 + 36x^2 + 72x^3 + 36x^4))dx The integral appears to be difficult to evaluate by hand.
Therefore, we use software like Mathematica or Wolfram Alpha to solve the problem. Integrating the expression using Wolfram Alpha gives:
L = 1/54(9sqrt(10)arcsinh(3xsqrt(2/5)) + 2sqrt(5)(2x^2 + 3x)sqrt(9x^2 + 4))The limits of integration are not given. Therefore, the definite integral be solved.
We can, however, find a general solution. We use the above formula and substitute the limits of integration.
Then, we subtract the value of the integral at the lower limit from the value of the integral at the upper limit to get the length of the curve.
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Three pizza are shared equally among 12 people.what fraction of a pizza will each person get?
A
4/1
B
3/1
Answer:
d) 1/12
Step-by-step explanation:
The length of a rectangle is four more than three times the width. If the perimeter of this rectangle is at least 70 square centimeters. Write an inequality that can be solved to find the width of the rectangle
Answer:
Step-by-step explanation:
Let L represent the length of the triangle.
Let W represent the width of the triangle.
The length of a rectangle is four more than three times the width. This means that
L = 3W + 4
The formula for determining the perimeter of a rectangle is expressed as
Perimeter = 2(L + W)
If the perimeter of this rectangle is at least 70 square centimeters, an inequality that can be solved to find the width of the rectangle is
2(L + W) ≥ 70
L + W ≥ 70/2
L + W ≥ 35
Answer:
6w +8 ≥70
Step-by-step explanation:
Let w be the width
The length is then 3w+4 ("the length is 4 more than 3 times the width")
Since a rectangle has opposite sides equal, the perimeter would be 2(l+w) or 2(w+3w+4) which would be 6w +8. If the perimeter is at least 70, that is, 70 or more, the inequality would be
6w + 8 ≥ 70.
The units, however, would not be SQUARE centimeters, just centimeters. If the question were asking for area, the units would be square units, but since perimeter is a linear measurement, the units would have to be linear.
Hi! I need help on these 4 questions ASAP!
Answer:
use the app photomath. its free. and shows you all the steps
Step-by-step explanation:
Let f andgbe functions that are differentiable for all real numbers, with gfz) # 0for a0.f()fl)0 g)f()If lim f(z) = lim g(z) = 0 and lim0exists, then lim is ()0 g()+0(r)Bd(r))g()-fla)d ()(f))A.OC.limz0 g(r)DE.nonexistent
The resulting differential function is f'(x) = 2x and g'(x) = 2x² + 1
The term function in statistics refers the expression, rule, or law that defines a relationship between one variable (the independent variable) and another variable (the dependent variable).
Here we have given that let f and g be functions that are differentiable for all real numbers.
And we have to find the solution for the function.
Let us consider f(x) = x² and g(x) = x³ + 1
Then the differentiation function is calculated as,
As per the law of differentiation, it can be written like the following,
=> f'(x) = x² dx
Then it can be written as the following after differentiation
=> f'(x) = 2x
Similarly, the g(x) is differentiated like the following,
=> g'(x) = x³ + 1 dx
=> g'(x) = 2x² + 1
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Bashir has a loyalty card good for a 10% discount at his local hardware store. What would his total in dollars and cents be, after the discount and before tax, if the total cost of all the items he wants to buy is $11? Round to the nearest cent.
The total cost of all the items he wants to buy with the applied discount and before tax is $9.9.
What is the percentage?A percentage is a value per hundredth. Percentages can be converted into decimals and fractions by dividing the percentage value by a hundred.
Given, Bashir has a loyalty card good for a 10% discount at his local hardware store.
So, Each good he buys at (100 - 10)% = 90% of the value before tax.
He wants to buy some items that cost $11 before the discount and tax.
Therefore the amount he has to pay is,
= (90/100)×11.
= $9.9
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Which of the following is a true statement?
Answer:
3
Step-by-step explanation:
It depends on the denominator
For 3 where comparing 16 to 24
Of course its going to be 16
Hope this helps!
Help plsss Find the surface area
Answer:
the last one: 490mm²
Step-by-step explanation:
the circles are around 113mm and
the 7mm face is 263mm so I think the last one makes the most sense as
263+113+113= 489 wich is very close
Answer:
Surface area is the total amount of space that all of the surfaces of an object take up. It is the sum of the area of all the surfaces of that object. Finding the surface area of a three-dimensional shape is moderately easy as long as you know the correct formula.
Step-by-step explanation:
Please mark me -lest
God bless
solve the system of equations y = 2x - 5; y = -2x + 3
Answer:
Solving gives us the result, x = 2, y = -1
Step-by-step explanation:
The system of equations is,
y = 2x-5
y=-2x+3
equating the two equations, we get,
(since y = y)
\(2x-5 = -2x + 3\\4x -5 = 3\\4x = 3+5\\4x=8\\x=8/4\\x=2\)
and then since y = 2x-5
\(y=2(2)-5\\y=-1\)
so, x =2, y = -1
PLEASE HELP DUE SOON
Answer:
A
Step-by-step explanation:
The lines cross or touch the X-Axis 4 times which means that there are 4 solutions.
...................................................................
Answer:
29 degrees
Step-by-step explanation:
Note how both triangles are isosceles triangles, which mean two angles will be equivalent. In the triangle with the marked angle measurement, since the total of angles in a triangle is 180, then the measurement of the unmarked angles have a sum of 180-64, which is 116. Then, as stated before, this triangle is isosceles, so the measurement of each unmarked angle is 116/2, which is 58.
Next, notice how the angle below angle x in that triangle shares a line with one of the 58 degree angles. This means that angle is 180-58, which is 122. Now, since the total of angles in a triangle is 180 and the triangle is isosceles, then angle x is (180-122)/2, which is 58/2, or 29 degrees
Question 14 of 17
Pls help I’m failing
The following figures show the first two steps of a proof of the Pythagorean
theorem. Which of the following statements about this proof is false?
Answer:d
Step-by-step explanation:
I’m smart trust me
HELP! POTATOooooooooooooooooooooooo plz
Answer:
Step-by-step explanation:
i cant see the answer
Tina is 4 times older than Hanna. The sum of their ages is 40. How old is Hanna?
Answer:
Hanna is 8 years old.
Step-by-step explanation:
Hanna = x
Tina = 4x
Sum = 40.
Hanna =?
Hanna + Tina = 40
4x + x = 40
5x = 40
x = 40/5
x = 8.
Hanna is 8 years old.
Write an expression to represent "six more than 3 times a number."
Answer: 3N+6
Step-by-step explanation:
8(7+6+11) help please
Carly took a $7,000, 3-year loan with an APR of 3.15%.
A)What is the monthly payment? B)What is the total amount of the monthly payments? C)What is the finance charge?
Answer:
A: 219.84
B: 219.84 x 36 = 7914.21
C: 7914.21 - 7000 = 914.24
Step-by-step explanation:
When Carly took a $7,000, 3-year loan with an APR of 3.15%, then
The monthly payment for the same will be $213.40The total amount of monthly payments will be $7,682.55; and The amount of finance charge for the same will be $682.55. What is the significance of monthly payments?Monthly payments can be referred to or considered as the monthly amount paid towards the partial repayment of a loan or an advance taken at a predetermined interest rate and time period.
Compounded Annuity = 7000(1+0.0315)^3
Compounded Annuity = $7,682.55.
Now, the amount of monthly payments for 3 years, or 36 months will be
Monthly payments = 7682.55 / 36
Monthly payments = $213.40
Finance Charge = Annuity – Principal
Finance Charge = 7682.55-7000
Finance Charge = $682.55
Therefore, the significance regarding monthly payments and the amounts of finance charge for the given condition has been aforementioned.
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The graph show how many minutes it takes Ziah to run a certain distance in the city What is the constant of proportionality? Write your answer as a decimal
need answer in 5 minutes will give brainliest
Explanation:
The constant of proportionality is the same as the slope for equations of the form y = kx.
To find the value of k, we divide the y over x values.
k = y/x = 12/8 = 1.5
or
k = y/x = 6/4 = 1.5
Either way the answer is 1.5
This means Ziah ran at a rate of 1.5 city blocks per minute.
Find The value of each variable
The value of each variable is:
x = 11 units
y = 11√2 units
How to find the value of each variable?Trigonometry deals with the relationship between the ratios of the sides of a right-angled triangle with its angles.
We can find the value of each variable using trigonometric ratios:
tan 45° = x/11 (tan = opposite/adjacent)
1 = x/11
x = 11 units
sin 45° = 9/y (sine = opposite/hypotenuse)
(√2)/2 = 11/y
y = 11/ (√2)/2
y = 11√2 units
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12/16•4/3 divided by 5/6
Answer: 1.2
Step-by-step explanation:
12/16 = 0.75
0.75 X 4/3 = 1
1/ (5/6) = 1.2
Answer:
I believe it is 1.2
Step-by-step explanation:
12/16x4/3
12x4=48
16x3=48
48/48=1
1 divided by 5/6=1.2
hope this helps :)
Of the fifth-grade student went to the book fair. Of the students that went to the book fair, bought at least one book.
What fraction of fifth-grade students bought at least one book?
Show the correct first step for finding the fraction of students that bought at least one book.
Of the fifth grade students, \(\frac{15}{20}\) went to the book fair. Of the student who went to the book fair, \(\frac{6}{8}\) bought at least one book. The fraction of fifth grade students who bought at least one book is \(\frac{9}{16}\) that is \(\frac{15}{20}\) x \(\frac{6}{8}\) of total(Option B)
What is a fraction?
Fraction is a type of number which represents a part of a whole thing. It is represented in two parts containing numerator which represents parts selected and the denominator which represents the total parts in which whole is divided.
Let the total students of grade fifth= s
Given that number of students who went to book fair= \(\frac{15}{20}\) of total
= \(\frac{15}{20}\) x s
=\(\frac{15s}{20}\)
Given that numebr of students who bought at least one book= \(\frac{6}{8}\) of who went to fair
= \(\frac{6}{8}\) x \(\frac{15s}{20}\)
= \(\frac{15}{20}\) x \(\frac{6}{8}\) of total
The correct answer will be option B.
On simplifying, fraction of grade fifth who bought at least one book
=\(\frac{3}{8}\) × \(\frac{15s}{10}\)
=\(\frac{45s}{80}\)
=\(\frac{9 s}{16}\)
= \(\frac{9}{16}\) of total
∴ The fraction of students who bought atleast one book is \(\frac{9}{16}\)
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For complete question refer to the figure below:
reduce the fraction 512/128 into the simplest form.
Answer:
Therefore, 512/128 simplified to lowest terms is 4/1.
Step-by-step explanation:
Reduce 512/128 to lowest terms
The simplest form of
512
128
is
4
1
.
Steps to simplifying fractions
Find the GCD (or HCF) of numerator and denominator
GCD of 512 and 128 is 128
Divide both the numerator and denominator by the GCD
512 ÷ 128
128 ÷ 128
Reduced fraction:
4
1
Therefore, 512/128 simplified to lowest terms is 4/1.
CONVERT 25 DEGREES CELECIOUS TO TO FERENHEIGHT SHOW THE CONVERSION STEPS.
Answer:
Step-by-step explanation:
The formula to convert Celsius to Fahrenheit is given by °F = °C × (9/5) + 32F = [ C × (9/5) + 32 ] Given that, C = 25F = 25 × (9/5) + 32F = 45 + 32F = 77Thus, 25° C is equivalent to 77° F.
4/5w+13=25 please show work
Answer:
w=15
Step-by-step explanation:
4w+13×5 = 25×5
4w =125-65
4w =60
w=15
The baker made a batch of chocolate chip, oatmeal raisin, and sugar cookies. If P(chocolate chip) = 68%, interpret the likelihood of randomly selecting a chocolate chip cookie from the batch.
Likely
Unlikely
Equally likely and unlikely
This value is not possible to represent probability of a chance event.
The likelihood of randomly selecting a chocolate chip cookie from the batch would be likely. That is option A
What is probability?Probability is defined as the possibility of an outcome of an event which may likely or unlikely occur.
The batch contains the following content:
chocolate chip,(68%)oatmeal raisin, and sugar cookiesThe chocolate chip makes up 68% of the batch and this shows a higher quantity than other content. Therefore, likelihood of randomly selecting a chocolate chip cookie from the batch would be likely.
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Which expression uses the GCF and the Distributive Property to create an equivalent expression to
12 + 24?
A
4 ( 3 + 6)
B
6 ( 2 + 4)
C
2 ( 6 + 12)
D
12 ( 1 + 2)
Answer:
D
Step-by-step explanation:
The greatest common factor of 12 and 24 is 12. The only option which accounts for this is D.
There are 15 floors of an office building each floor is 10 2/5 feet tall 24 9/10 feet of the building are completed 1 1/4 feet of the building can be finished each day how many days are needed to complete the building
The days it would take to complete the building is 104 22/25 days.
How many days would it take to complete the building?A fraction is a non-integer that has a numerator and a denominator. The numerator is the number above. While the denominator is the number below. An example of a fraction is 1/4.
A mixed number is a number that has a whole number and a proper fraction. A proper fraction is a non-integer in which the numerator is less than the denominator. An example of a mixed number is 3 1/2.
The first step is to determine the total height of the office bulding = height of each floor x total number of floors
15 x 10 2/5
15 x 52/5 = 780 /5 = 156
The next step is to determine the floors left to complete the office building :
156 - 24 9/10 = 131 1/10 feet
The last step is to divide the feet that can be built each day by the number of floors needed to complete the builfing :
1311/10 ÷ 1 1/4
1311 / 110 ÷ 5/4
1311 / 10 x 4/5 = 104 days 44/50
104 22/25 days
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Select all expressions that are equivalent to 2x+3x+8-3x-2. 2x+6 2x+10 65x-3x+6 (5x-3x+10
Answer:
Step-by-step explanation:
2x+3x+8-3x-2 = 2x + 6
I need some help please out front and
The given inequality : 4 - 2x > 7 - 3x
Simplify:
Add 3x on both side :
4 - 2x + 3x > 7 - 3x + 3x
4 + x > 7
Subtract 4 on both side :
4 + x - 4 > 7 - 4
x > 3
Answer : x > 3
Find the amount (future value) of the ordinary annuity. (Round your answer to the nearest cent.)
$300/week for 9 1/2
years at 5.5%/year compounded weekly
Answer: $227,226.51
Step-by-step explanation:
First, we need to convert the period to weeks.
9 1/2 years = 9.5 years
1 year = 52 weeks
9.5 years = 494 weeks
Next, we can use the formula for the future value of an annuity:
FV = (PMT x (((1 + r/n)^(n*t)) - 1)) / (r/n)
where:
PMT = payment amount per period
r = annual interest rate
n = number of compounding periods per year
t = number of years
Plugging in the given values:
PMT = $300
r = 0.055 (5.5% expressed as a decimal)
n = 52 (compounded weekly)
t = 9.5 years = 494 weeks
FV = ($300 x (((1 + 0.055/52)^(52*494)) - 1)) / (0.055/52)
FV = $227,226.51
Therefore, the future value of the annuity is approximately $227,226.51.