How to divide 715÷25 using partial quotient
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The line integral of (2x+9z) ds where the curve is given by the parametric equations x=t, y=t^2, z=t^3 for t between 0 and 1. Please don't respond if you can't explain how to get out of an impossible square root. Thanks
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Then r' = (1, 2t, 3t^2)
General Line integral is:
[tex]\int_a^b f(r) |r'| dt[/tex]
The limits are 0 to 1
f(r) = 2x + 9z = 2t +9t^3
|r'| is magnitude of derivative vector [tex]\sqrt{(x')^2 + (y')^2 + (z')^2}[/tex]
[tex]\int_0^1 (2t+9t^3) \sqrt{1+4t^2 +9t^4} dt [/tex]
Fortunately, this simplifies nicely with a 'u' substitution.
Let u = 1+4t^2 +9t^4
du = 8t + 36t^3 dt
[tex]\int_0^1 \frac{2t+9t^3}{8t+36t^3} \sqrt{u} du \\ \\ \int_0^1 \frac{2t+9t^3}{4(2t+9t^3)} \sqrt{u} du \\ \\ \frac{1}{4} \int_0^1 \sqrt{u} du[/tex]
After integrating using power rule, replace 'u' with function for 't' and evaluate limits:
[tex]=\frac{1}{4} |_0^1 (\frac{2}{3}) (1+4t^2 +9t^4)^{3/2} \\ \\ =\frac{1}{6} (14^{3/2} - 1)[/tex]
To evaluate the line integral, calculate the arclength element and substitute it into the integral. Expand the expression inside the square root, multiply it by (2x+9z), and integrate term by term.
Explanation:To evaluate the line integral of (2x+9z) ds where the curve is given by the parametric equations x=t, y=t^2, z=t^3 for t between 0 and 1, we need to find the arclength element ds and substitute it into the integral. The arclength element ds can be calculated using the formula ds = sqrt(dx^2 + dy^2 + dz^2). In this case, dx = dt, dy = 2t dt, and dz = 3t^2 dt. Substituting these values into the arclength element formula, we get ds = sqrt(dt^2 + 4t^2 dt^2 + 9t^4 dt^2) = sqrt(1 + 4t^2 + 9t^4) dt.
Substituting ds into the line integral, we get the integral of (2x+9z) * sqrt(1 + 4t^2 + 9t^4) dt. To evaluate this integral, you can expand the expression inside the square root, multiply it by (2x+9z), and integrate term by term.
However, it seems that there might be a typo in the original question regarding the curve parametrization. The curve given by x=t, y=t^2, z=t^3 is actually a parabolic curve, not a line. If you need further clarification or assistance, please let me know.
One integer is 2 times another. If the product of the two integers is 32, then find the integers
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Final answer:
The two integers that satisfy the conditions of being twice of each other and having a product of 32 are either (4, 8) or (-4, -8).
Explanation:
The two integers as x and y, with y being 2 times x (y = 2x). According to the problem, the product of these two integers is 32 (x * y = 32). If we substitute y in the equation with 2x, we obtain the following: x * 2x = 32. Simplifying this equation gives us a quadratic equation, x² = 16.
To find x, we take the square root of both sides. The square root of 16 is 4, so x can be either 4 or -4. Consequently, y can be either 8 or -8, depending on whether x is positive or negative.
Therefore, the two sets of integers that satisfy the equation x*y = 32 are (4, 8) and (-4, -8), as both pairs have a product of 32 and one integer is exactly twice the other.
If the population density of ocotillo in a desert is 15 per square kilometer, how many plants would be expected in an area that is 5 km by 3 km?
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In an area that is 5 km by 3 km, with an ocotillo population density of 15 plants per square kilometer, we would expect to find 225 ocotillo plants.
The student's question pertains to calculating the expected number of ocotillo plants in a given area based on the known population density. First, we need to find the total area of the region in question, which in this case is a desert area that measures 5 km by 3 km. We calculate the area by multiplying the length by the width: 5 km x 3 km = 15 km2.
Since the population density of ocotillo is given as 15 plants per square kilometer, we can find the total number of ocotillos by multiplying the density by the total area:
15 plants/km2 x 15 km2 = 225 plants.
Therefore, in an area that is 5 km by 3 km, we would expect to find 225 ocotillo plants.
Anna wants to call Holly. Holly is on vacation in Asia. It is a time difference of ten hours. Holly's time is always later than Anna's time. If it is 7:35 P.M. where Anna lives, then what time is it where Holly is?
This was everything that was on paper I hope i gave enough
information!
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rolls are being prepared to go to the grocery store. Divide 72 rolls into 2 groups so the ratio is 3 to 5
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Which number is Not a rational number?
A.-5 4/11
B. sqrt of 31
C. 7.608
D. 18.46...
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Answer:
[tex]\sqrt{31}[/tex]
Step-by-step explanation:
A.[tex]-5 \frac{4}{11} =\frac{-59}{11}[/tex]
Since it in in p/q form so it is a rational number
B. [tex]\sqrt{31} =5.5677643.......[/tex]
Since it cannot be represented in the form of p/q . So, it is irrational number .
C. 7.608
[tex]\frac{7608}{1000}[/tex]
Since it can be represented in p/q form . So, it is rational number.
D. 18.46...
18.4666.. Since 6 is repeating in decimal place . So, 18.46.. can be written in p/q form .
Hence Option B sqrt of 31 is not a rational number .
Travis wants to collect 20% more than Jessica. Robin wants to collect 35% more than Travis. If Travis collects $43, how much was collected in all?
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Add these together: 43.00 + 34.40 + 58.05 = 135.45.
$135.45 were collected in total assuming everyone collected exactly the percentage they 'wanted' to.
Which expression results in a product that is rational?
(a)square root of 7 times square root of 10
(b)square root of 8 times square root of 10
(c) square root of 9 times square root of 10
(d)square root of 10 times square root of 10
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Final answer:
The expression that results in a rational product is √10 times √10, as this simplifies to the rational number 10.
Explanation:
To find which expression results in a product that is a rational number, we need to identify which pair of square roots can be multiplied to produce a non-radical number.
Multiplication of square roots is analogous to the multiplication of exponents. When the same base is multiplied, the exponents are added. Utilizing this property, we know:
√7 × √10 = √(7 × 10) = √70 (which is irrational since 70 is not a perfect square).
√8 × √10 = √(8 × 10) = √80 (which is irrational since 80 is not a perfect square).
√9 × √10 = √(9 × 10) = √90 (which is irrational since 90 is not a perfect square).
√10 × √10 = √(10 × 10) = √100 = 10 (which is rational since 100 is a perfect square).
Therefore, the expression that results in a rational product is √10 × √10, which simplifies to 10.
PLEASE HELP!!! WILL GIVE BRAINLIEST!!
Katrina is 69.75 inches tall. Her best friend, Allison, is 64.85 inches in height.
How many inches taller is Katrina than Allison?
A) 4.10
B) 4.90
C) 5.10
D) 5.90
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B is the answer. I hope this helps.
69.75 - 64.85= 4.9
which is 4.90
The quadratic x^2-4x-14=3x+16 has two solutions. What is the positive difference between these solutions?
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To find the positive difference between the solutions of the quadratic equation x^2-4x-14=3x+16, we simplify it to x^2-7x-30=0 and use the quadratic formula. Calculating the solutions, we get 10 and -3, and the positive difference between these solutions is 13.
Explanation:To find the positive difference between the solutions of the quadratic equation x2-4x-14=3x+16, we first need to simplify the equation by subtracting 3x and 16 from both sides to set it equal to zero.
x2 - 7x - 30 = 0
Now, we use the quadratic formula, which is x = ∛(-b ± √(b2 - 4ac))/(2a), to find the solutions for x, where a = 1, b = -7, and c = -30.
∛(-(-7) ± √((-7)2 - 4*1*(-30)))/(2*1)
The solutions are:
x = (7 + √(49 + 120))/2x = (7 - √(49 + 120))/2Calculating the square root and simplifying, we find:
x = (7 + √169)/2x = (7 - √169)/2The solutions then become:
x = (7 + 13)/2 = 20/2 = 10x = (7 - 13)/2 = -6/2 = -3The positive difference between the solutions 10 and -3 is:
10 - (-3) = 13
Therefore, the positive difference between the solutions is 13.
The positive difference between the two solutions is 13.
Start by rearranging the equation [tex]\(x^2 - 4x - 14 = 3x + 16\)[/tex] into standard quadratic form:
[tex]\[ x^2 - 4x - 14 = 3x + 16 \][/tex]
Combine like terms:
[tex]\[ x^2 - 4x - 14 - 3x - 16 = 0 \][/tex]
[tex]\[ x^2 - 7x - 30 = 0 \][/tex]
Now, to find the solutions to this quadratic equation, we can use the quadratic formula:
[tex]\[ x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a} \][/tex]
For the equation [tex]\(x^2 - 7x - 30 = 0\)[/tex], the coefficients are:
[tex]\[ a = 1, \quad b = -7, \quad c = -30 \][/tex]
Let's substitute these values into the quadratic formula:
[tex]\[ x = \frac{-(-7) \pm \sqrt{(-7)^2 - 4(1)(-30)}}{2(1)} \ \\\\\\[ x = \frac{7 \pm \sqrt{49 + 120}}{2} \ \\\\\\[ x = \frac{7 \pm \sqrt{169}}{2} \ \\\\\\[ x = \frac{7 \pm 13}{2} \][/tex]
So, the solutions are:
[tex]\[ x = \frac{7 + 13}{2} = 10 \ \\\\\\[ x = \frac{7 - 13}{2} = -3 \][/tex]
The positive difference between these solutions is:
[tex]\[ \text{Positive difference} = |10 - (-3)| = |10 + 3| = 13 \][/tex]
Therefore, the positive difference between the two solutions is 13.
Phillip invested $6000 compounded continuously at 7.5% interest. How long will it take him to reach $10000
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Sheldon bought a $20 book at a 35% discount. He wrote an expression to find the discounted price.
20−0.35(20)
Which expression is equivalent to discounted price Sheldon paid?
A. (1−0.35)20
B.(1+0.35)20
C.(20−0.35)20
D. 20+0.35(20)
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because all you have to do is subtract what's in the parentheses and you get 0.65 then you multiply by 20 and you get 13 which is the same from the original equation.
Hope this helps
:))
Use the chain rule to find ∂z∂s and ∂z∂t, where z=x2+xy+y2,x=10s+7t,y=10s+3t
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[tex]\dfrac{\partial z}{\partial s}=(2x+y)(10)+(x+2y)(10)=30x+30y[/tex]
[tex]\dfrac{\partial z}{\partial s}=30(10s+7t)+30(10s+3t)=600s+300t[/tex]
[tex]\dfrac{\partial z}{\partial t}=\dfrac{\partial z}{\partial x}\dfrac{\partial x}{\partial t}+\dfrac{\partial z}{\partial y}\dfrac{\partial y}{\partial t}[/tex]
[tex]\dfrac{\partial z}{\partial t}=(2x+y)(7)+(x+2y)(3)=17x+13y[/tex]
[tex]\dfrac{\partial z}{\partial t}=17(10s+7t)+13(10s+3t)=300s+158t[/tex]
True or false: outliers "inflate" standard deviation.
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Suppose one bakery oven at a cookie manufacturer is being used to bake chocolate cookies and vanilla cookies. A batch of chocolate cookies bakes in 8 minutes, and a batch of vanilla cookies bakes in 10 minutes. Let x represent the number of batches of chocolate cookies and y represent the number of batches of vanilla cookies. Write a linear inequality for the number of batches of each type of cookie that could be baked in one oven in an 8-hour shift.
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The amount of oven time required for the choc. cookies is 8x; that for the van. cookies is 10y.
The total oven time is 8 hours, or 8(60) minutes, or 480 minutes.
Thus, 8x + 6y (less than or equal to ) 480 (minutes).
Answer:
The answer is .......D
Step-by-step explanation:
d. 480
You have to remember that The answer is D
what is the quotient of 6/7 and 3/14
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= ⁶/₇ × ¹⁴/₃
= ⁽⁶⁾⁽¹⁴⁾/₍₇₎₍₃₎
= ⁸⁴/₂₁
= 4
WILL GIVE BRAINEST
The values in the table...
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------------------------------------------------
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The y values are 11, 25, 39, 53, 67. We add 14 to each term to get the next
Eg: 11+14 = 25
Eg: 25+14 = 39
etc
So the common difference is 14
To find this common difference, we subtract terms like so
d = (second term) - (first term) = 25 - 11 = 14
d = (third term) - (second term) = 39 - 25 = 14
d = (fourth term) - (third term) = 53 - 39 = 14
d = (fifth term) - (fourth term) = 67 - 53 = 14
we get 14 each time confirming we have the right answer
Answer:
the answer is A which is 14. help this helps
Step-by-step explanation:
Help Yaya ASAP Please
Jessica and Marcus each earn the same amount of money every week mowing lawns. Jessica saves 50% of her money and Marcus saves 1/4 of his money.
Which statement is correct?
A. Marcus saves 4/5 as much money as Jessica.
B. Jessica saves 4/5 as much money as Marcus.
C. Marcus saves twice as much money as Jessica.
D. Jessica saves twice as much money as Marcus.
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marcus saves 1/4.....1/4 = 25%
Therefore, jessica saves twice as much as marcus
The length of a rectangle is 5 yd less than twice the width, and the area of the rectangle is 52 yd^2. Find the dimensions of the rectangle.
Please help ASAP!
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To find the dimensions of the rectangle, we set up an equation using the area formula and solve for 'x'.
Explanation:Let's assume that the width of the rectangle is 'x' yards. Since the length is 5 yards less than twice the width, we can express the length as (2x - 5) yards. The area of a rectangle is given by the formula A = length * width, so we can set up the equation:
A = (2x - 5) * x = 52
Expanding the equation:
2x^2 - 5x - 52 = 0
Using the quadratic formula or factoring, we can solve for 'x'. Once we find the value of 'x', we can substitute it back into the expressions for length and width to find the dimensions of the rectangle.
Dimensions of the rectangle: Width = x yards, Length = (2x - 5) yards
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If 6 chocolates cost $0.93, how much do 22 chocolates cost?
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I would be $3.41 first you figure out how much one cost by dividing 0.93 by 6 then you multiply your answer by 22
Which statement is the converse of the following statement? If planes are parallel, then they do not intersect.
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Here, if we let p be the statement "planes are parallel" and let q be the statement "they do not intersect," then q⇒p would be "If planes do not intersect, then they are parallel."
an engineering technician makes $25 for the first 40 hours she works during a week $32 an hour for each hour over 40 hours which piecewise equation models her total weekly pay
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A piecewise equation to model the total weekly pay for an engineering technician who earns different rates for hours within and beyond 40 hours is P(h) = {25h if h ≤ 40, 1000 + 32(h - 40) if h > 40}.
Explanation:The question asks for a piecewise equation to model the total weekly pay of an engineering technician who makes $25 per hour for the first 40 hours and $32 an hour for each hour over 40 hours. The piecewise function is made up of two parts:
When written as a piecewise function, it will look something like this:
P(h) =
\{
\begin{array}{ll}
25h & \text{if } h ≤ 40,\\
1000 + 32(h - 40) & \text{if } h > 40.
\end{array}
\}
How can ΔWXY be mapped to ΔMNQ?
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Triangle WXY could be mapped to triangle MNQ by these two steps:First, you should translate vertex W to vertex M.And then, you reflect ΔWXY across the line containing line segment WX.
a painter charges $35 per hour for labor plus 40$ for a ladder rental when he paints a house.the costomer provides the paint.total charge to paint a costomer hoise was 950. how many hours did the painter spend painting this house
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First, subtract the $40 for the ladder. $950 - $40 = $910.
$910 is the charge just due to hours of painting.
Now divide $910 by $35/hour to find the hours.
910/35 =
Just do the division.
Jose is going to rent a truck for one day. There are two companies he can choose from, and they have the following prices. Company A charges $108 and allows unlimited mileage. Company B has an initial fee of $75 and charges an additional $0.60 for every mile driven. For what mileages will Company A charge less than Company B? Use m for the number of miles driven, and solve your inequality for m .
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108 - 75 < 0.60m
33 < 0.60m
33 / 0.60 < m
55 < m...or m > 55...company A will charge less if it is driven 56 or more miles
Final answer:
Jose should rent a truck from Company A if he plans to drive more than 55 miles, as it will charge less than Company B beyond this mileage.
Explanation:
To determine for what mileages Company A will charge less than Company B, we set up an inequality comparing the total cost for each company and solve for m (the number of miles driven).
The cost for Company A is a flat rate of $108, so it does not depend on mileage. The cost for Company B includes an initial fee of $75 plus $0.60 per mile. We set up the inequality as follows:
Company A \< Company B
$108 < $75 + $0.60m
$108 - $75 < $0.60m
$33 < $0.60m
$33 / $0.60 < m
55 < m
Therefore, Company A will charge less than Company B for any number of miles greater than 55. So, if Jose plans to drive more than 55 miles, he should choose Company A for a cheaper rate.
Andrew has 10 more goldfish than Todd. Together, they have 50. goldfish. How many goldfish does each boy have?
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Andrew has x + 10 amount of gold fish
They have 50 in all
x +(x+10) = 50
2x + 10 = 50
2x +10 (-10) = 50 (-10)
2x/2 = 40/2
x = 20
Todd has x amount of goldfish, so he has 20 goldfish
Andrew has (x + 10) amount of goldfish, so he has 30, because 20 + 10 = 30
hope this helps
rewrite 3/8 and 5/14 to have a common denominator
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(3x6÷2)v+10=3²v+9 (Need work)
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The student's equation simplifies to 9v + 10 = 9v + 9. Upon further simplification, it becomes apparent that the equation is a contradiction and has no solution.
Explanation:The student is asking about the solution to the equation (3x6÷2)v+10=3²v+9. The first step in solving this equation is to simplify the terms. We start by simplifying the multiplication and division in the first part of the equation (3x6÷2), which equals 9 since 3 times 6 is 18 and 18 divided by 2 is 9. Therefore, the equation simplifies to 9v + 10 = 3²v + 9. Next, we simplify 3², which is 3 raised to the power of 2, meaning 3 times itself, which results in 9. The equation now reads 9v + 10 = 9v + 9.
With the equation simplified, we notice that the terms containing v are equal on both sides of the equation. This indicates that we may be dealing with an identity or a contradiction depending on the constants. Subtracting 9v from both sides yields 10 = 9, which is clearly not true. Therefore, we conclude that the equation is a contradiction, and there is no solution for v that would make the equation true.
Final answer:
To solve the equation (3x6÷2)v+10=3²v+9, we need to follow the order of operations and solve for the variable v. However, the equation is inconsistent and has no solution.
Explanation:
To solve the equation (3x6÷2)v+10=3²v+9, we need to follow the order of operations and solve for the variable v. Let's break it down step by step:
Start by performing the division 3x6÷2 = 18÷2 = 9.
Now rewrite the equation as 9v+10=9v+9.
Subtract 9v from both sides of the equation to isolate the constants: 10 = 9.
Since 10 is not equal to 9, the equation is inconsistent and has no solution.
Therefore, there is no value of v that satisfies the equation.
Write an equation relating the length of the legs of an isosceles triangle, x, to the length of the hypotenuse of the triangle, h. g
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5-12-13
7-24-25
8-15-17Converse of the Pythagorean ConjectureIf the lengths of a triangle satisfy the Pythagorean Theorem, then the triangle is a right triangle.Isosceles Right Triangle ConjectureIn an isosceles right triangle, if the legs have length x, then the hypotenuse has length x-root-2.30-60-90 Triangle ConjectureIn a 30-60-90 triangle, if the shorter leg has length x, then the longer leg has length x-root-3 and the hypotenuse has length 2x.Rationalizing the DenominatorEquation for a Circlea squared + b squared is less than c squaredObtuse trianglea squared + b squared is greater than c squaredAcute triangle
An equation regarding the length of the sides of an isosceles right triangle is required.
The required equation is [tex]2x^2=h^2[/tex]
The length of the legs of triangle which are equal in length is [tex]x[/tex]
The length of the hypotenuse is [tex]h[/tex]
From the Pythagoras theorem we have
[tex]x^2+x^2=h^2\\\Rightarrow 2x^2=h^2[/tex]
Hence, in the above equation the length of the legs and the hypotenuse lengths are related.
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Joe Traffic gained 986 yards during football season.Ziggy Fumble lost 118 yards during the season.What was the difference in their yardage gains
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Joe is positive 986 yards
Ziggy is negative 118 yards
the total difference is 986 +118 = 1,104 yards