Answer:
.101265823
Step-by-step explanation:
Please help me please
Answer:
Step-by-step explanation:
2n + 8.5 = 23
2n = 14.5
2n = 7.25 or 7 1/4 feet
If DM = 25, what is the value of r?
A.10
B.12
C.14
D.15
Step-by-step explanation:
DG+GM=DM
r+2+2r-13=25
combine like terms
3r-11=25
3r=36
r=12
Evaluate the intergal F•dr where F (x,y,z)=xyi+yzj+zxk and c is the twisted cubic given by x=t, y=t^2 ,z=t^3, 0<=t=<1
The integral can be evaluated by substituting everything you know:
[tex]\displaystyle\int_C\mathbf F\cdot\mathrm d\mathbf r=\int_C\mathbf F(x(t),y(t),z(t))\cdot\dfrac{\mathrm d\mathbf r}{\mathrm dt}\,\mathrm dt[/tex]
[tex]=\displaystyle\int_0^1(t^3\,\mathbf i+t^5\,\mathbf j+t^4\,\mathbf k)\cdot(\mathbf i+2t\,\mathbf j+3t^2\,\mathbf k)\,\mathrm dt[/tex]
[tex]=\displaystyle\int_0^1(t^3+5t^6)\,\mathrm dt[/tex]
[tex]=\dfrac{t^4}4+\dfrac{5t^7}7\bigg|_0^1=\dfrac14+\dfrac57=\boxed{\dfrac{27}{28}}[/tex]
The line integral ∫F · dr along the curve is 9/10.
To evaluate the line integral ∫F · dr along the curve C, where F(x, y, z) = xyi + yzj + zxk and C is the twisted cubic given by x = t, y = t², z = t³ for 0 ≤ t ≤ 1, we need to parameterize the curve C and compute the dot product between F and the tangent vector dr.
The parameterization of C is:
r(t) = ti + t²j + t³k
To compute dr, we take the derivative of r(t) with respect to t:
dr = (dx/dt)i + (dy/dt)j + (dz/dt)k
dr = i + 2tj + 3t²k
Now we can compute the dot product between F and dr:
F · dr = (xy)(dx/dt) + (yz)(dy/dt) + (zx)(dz/dt)
F · dr = (t)(i) + (t²)(2t)(j) + (t)(t³)(3t²)(k)
F · dr = ti + 2t³j + 3t⁴k
To evaluate the line integral, we integrate F · dr with respect to t over the interval [0, 1]:
∫[0,1] F · dr = ∫[0,1] (ti + 2t³j + 3t⁴k) dt
Integrating each component separately:
∫[0,1] ti dt = (1/2)t² ∣[0,1] = (1/2)(1)² - (1/2)(0)² = 1/2
∫[0,1] 2t³j dt = (1/4)t⁴ ∣[0,1] = (1/4)(1)⁴ - (1/4)(0)⁴ = 1/4
∫[0,1] 3t⁴k dt = (1/5)t⁵ ∣[0,1] = (1/5)(1)⁵ - (1/5)(0)⁵ = 1/5
Adding the results together:
∫[0,1] F · dr = (1/2) + (1/4) + (1/5) = 5/10 + 2/10 + 2/10 = 9/10
Learn more about line integral here:
brainly.com/question/29850528
#SPJ2
which shows two products that both result in negative
Answer: C is the correct answer
pleaseee help meeeeeeee
Answer:
x = 6
∠B = 126
Step-by-step explanation:
∠A = ∠B
where
∠A = 8x + 78°
∠B = 2x + 114°
8x + 78° = 2x + 114°
8x - 2x = 114 - 78
6x = 36
x = 36/6
x = 6
plugin x into ∠B = 2x + 114°
∠B = 2x + 114°
∠B = 2(6) + 114°
∠B = 126
Answer:
x = 6
∠B = 126
Step-by-step explanation:
i got this correct
solve expression
3x(-x-5)
2x + 5y = 13
-x + 4y = 13
solve by elimination
Answer:
i think x=-1 and y=3. ....
Answer:
x = -1 , y = 3
Step-by-step explanation:
2x+5y = 13
-x+4y = 13
Decide whether to add or subtract the two equations by using Different Add Same Subtract (DASS) or in case below as its SUBTRACT
i apply (SDSS).
We subtract 5y as this is easier equation either positive prioritises or if both positive then easier number becomes priory.
Results to SDSS before substituting Y if 5y etc was subtracted
2x+5y = 13 Subtract -5
2x+5y -5y = 13 -5y
2x= 13 - 5y then Divide by 2
2x / 2 = 13/2 - 5y/2 Show then
x = 13 - 5y / 2 + 4y = 13 Simplify
simplify 13 - 13y / 2 as y = 3
as 13/2 = 6.5 and 2.5 +4 = 6.5
y = 3
Substitute y = 3
13-5y )3) / 2
13-5 (3) / 2
BODMAS Brackets first Multiplying only for y substitute 5y = 5 x 3
-5 (3) = 15
13-15 = -2
-2/2 = -1
x = -1
0.6 rounded to the nearest tenth
Answer:
1.0
Step-by-step explanation:
The 6 is bigger than 5, so that bups the number up to 1.0.
Write a ratio in simplest form to express 8 inches over 3 feet
Answer:
Step-by-step explanation:
8 inches : 3 feet
12 x 3 = 36 inches
8 inches: 36 inches = 2 inches: 9 inches
The ratio in simplest form to express 8 inches over 3 feet is 2:9.
To express the ratio of 8 inches to 3 feet in simplest form, we need to convert the measurements to a common unit.
Since both measurements involve length, we can convert inches to feet or feet to inches.
We know that 1 foot = 12 inches
So 3 feet = 12×3
=36 inches.
Now the ratio 8 inches over 3 feet is equal to 8 inches over 36 inches.
8/36
Divide numerator and denominator by 4:
2/9
Hence, the ratio in simplest form to express 8 inches over 3 feet is 2:9.
To learn more on Ratios click here:
https://brainly.com/question/1504221
#SPJ4
Denise sold 24 more dresses in January than in February and 10 fewer dresses in March than in January. In March she sold 28 dresses. How many dresses did Denise sell in February?
plzzzzzz helpppp meeeee aaaassssaaappppp
Answer; bonjour , j ai compris que le 2 c est
Step-by-step explanation:
This is 36,96 , and 14,3
Assume that we are interested in the average length of 1015 fishes in Square Lake, WI. Also assume that all information for all 1015 fishes in this lake is known. Suppose, the average length of all 1015 fishes in Square Lake is 98.06 mm. Derek randomly selects 50 fishes from the Square Lake and obtains and average length of 101.04 mm. Using this information, describe the Individual, Variable, Parameter and Statistic.
Answer is given below
Step-by-step explanation:
given data
average length of all 1015 fishes = 98.06 mm
randomly selects 50 fishes average length = 101.04 mm
solution
When we get here, we mean to measure, so here we measure a fish in a square lake. And the variable means that a fish varies from fish to fish, so the length of the fish in the squares parameter mean that all individuals in the population so the parameter is average length of all 1015 fish in square lakestatics is selct of individual in sample so statistic is average length of random sected so fish in square lakeis -18.75 rational or irrational number
Answer:
-18.75 is a rational number. A rational number is any number that has either a repeating decimal or one that ends. It doesn’t no go on, so it is considered rational. Hopefully this helps! Feel free to mark brainliest!
-18.75 is a rational number
Rational numbers are numbers that can be expressed as the fractions of two integers
That is, R is a rational number if it can be expression as:
R = p/q
where p and q are integers
-18.75 can be expressed as -1875/100 where both -1875 and 1000 are integers.
Since -18.75 can be expressed as the fraction of two integers, it is a rational number.
Learn more here: https://brainly.com/question/17471044
Simplify 6.920? need help asap a) −1 b)0 c)1 d)6.92
Answer:
C.) 1
Step-by-step explanation: Any number raised to the zeroth power will always be 1.
What is an equation of the line that passes through the points (5,0) and (-5, -8)?
Answer:
y = 4/5 x - 4
Step-by-step explanation:
If
f(x) = 2x2 - 5
and
g(x) = 5x +7
Find
g(f(x)) = [? ]x2 +
Help pls
The composite function g(f(x)) is equivalent to 10x^2 - 1
Composite functionsThis are also referred to as function of a function. Given the following functions;
f(x) = 2x^2 - 5
g(x) = 5x + 7
In order to determine the composite function g(f(x))
g(f(x)) = g(2x^2 - 5)
Replace x with 2x^2 - 5 in g(x) to have;
g(f(x)) = 5(2x^2 - 5) + 7
g(f(x)) = 10x^2 - 18
Hence the composite function g(f(x)) is equivalent to 10x^2 - 1
Learn more on composite function here: https://brainly.com/question/10687170
#SPJ1
3 more than twice a number x is equal to sixteen?
Answer:
x=6.5
Step-by-step explanation:
2x+3=16
2x=16-3
2x=13
x=13/2
x=6.5
Plz answer the question below
X equal to 6 plus 1 by 3 which is 19 by 3 is the answer which is also a improper fraction
Answer:
x=19/3
Step-by-step explanation:
x-1/3 =6 /×3
3x - 1 =18
3x=18 +1
3x =19
x=19/3
What is the distance between-21 and 6 on a number line in units
Answer: 27
Step-by-step explanation:
-21 to 6= 27
The difference between the numbers -21 and 6 is 27.
What is a number line?A number line in elementary mathematics is a representation of a graduated straight line that serves as an abstraction for real numbers, represented by the symbol R." It is assumed that every point on a number line corresponds to a real number and that every real number corresponds to a point.
Given that the two numbers are -21 and 6. The distance between the two numbers will be calculated as,
Distance = 6 - ( -21 )
Distance = 6 + 21
Distance = 27
Hence, the difference is 27.
To know more about number lines follow
https://brainly.com/question/24644930
#SPJ2
Leon bought a dozen daisies for $3.75. To the nearest hundredth, approximately how much did Leon pay for each daisy?
Answer: $0.31
Step-by-step explanation:
A dozen = 12
Cost of 12 daises = 3.75
Cost of one daisy = 3.75/12 = 0.3125
0.3125 to the nearest hundredth = 0.31
Can I get a answer for it please
Answer:
25%
Step-by-step explanation:
There are 6+8+10 = 24 cookies
P ( chocolate chip) = number of chocolate chip/ total
= 6/24 = 1/4
Changing to percent
1/4 = 25/100 = 25%
what is the value of 4|3-(-8)|+11
Write an negative number whose absolute value is greater than 3
Answer:
4+is the absolute value is greater than 3
A bookkeeper records a positive number to show when a sale is made at a store and a negative
number to show when the store has a cost. Which equation could represent how the
bookkeeper records the store having 4 shipping costs of $19.42?
Answer:
-19.42
-19.42
-19.42
-19.42
Step-by-step explanation:
It's a charge, so they'll be negative. It's four different charges so they'll stack like this.
At age six, Kylie is 50 inches tall. Her height has a z-score of 1.8. At age four, Hannah is 48 inches tall. Her height has a z-score of 2.1. Relative to girls their ages, who is taller? Kylie is taller because her z-score is lower than Hannah’s z-score. Hannah is taller because her z-score is higher than Kylie’s z-score. Kylie is taller because her z-score is closer to the mean than Hannah’s z-score. Hannah is taller because her z-score is closer to the mean than Kylie’s z-score.
Answer:
Hannah is taller because her z-score is higher than Kylie’s z-score.
Step-by-step explanation:
MARK BRAINLIST !!!
What is the value of the expression below when z = 10 and w = 7
Answer:
163
Step-by-step explanation:
10(10)+9(7) Stubstitute the variables for the values given
100+63 Multiply
163 Add
Solve x to the second power =36
Answer: 6x6 =36
Step-by-step explanation:
Sorry if it's wrong, but should be right cause it makes sense.
Enter the coordinates of the image under the transformation (6, -12).
(x, y)
- (x +
Y-
(1,-4)
>
(8, -13)
(12, -12)
(
Answer:
ok put it in a calculator
(12,-12
Will vote brainliest!!!!!!!! Thank you!!!!!!!!!!!!
Answer:
[tex]\frac{2x+2}{x}\ge \:0[/tex]
Step-by-step explanation:
[tex]3+\frac{4}{x}\ge \frac{x+2}{x}[/tex]
Subtract [tex]\frac{x+2}{x}[/tex] from both sides:
[tex]3+\frac{4}{x}-\frac{x+2}{x}\ge \frac{x+2}{x}-\frac{x+2}{x}[/tex]
[tex]3+\frac{4}{x}-\frac{x+2}{x}\ge \:0[/tex]
[tex]\frac{3x}{x} +\frac{-x+2}{x}[/tex]
[tex]\frac{2x+2}{x}\ge \:0[/tex]
*
4,781 divided by 32
Answer:
149.40625 approximately
Step-by-step explanation:
There isn't really an explanation, you can just use a calculator ;)
Answer:
Step-by-step explanation:
4781/32
without using calculator you can configure this.
AS
32√4781 ║ 149.40625
- 32
1581
- 128
301
- 288
1 30 (put decimal above to add zero in reminder)
- 128
200 (one 0 is from decimal and to add another one add 0 abov)
-192
80
-64
160
- 160
X