The parallelogram with the parametric equations 1 + 2u + v is the surface integral.
What is the explanation?The surface element is
dS is equal to || r/u x r/dv || du dv.
where
r (u, v) is equal to x (u, v) I plus y (u, v) j plus z (u, v) k
r (u, v) = (u + v) I plus (u -v) j plus (1 + 2u + v) k
is the surface S's vector parameterization.
The surface's normal vector is
R / u x R / d
= I + j + k + 2) x I - j + k)
= 3 I + j - 2 k
as well as norm
|| r/dv x u r/u || = √(3² + 1² + (-2)²) = √(14) (14)
Calculate the integral now:
∫∫ (x + y + z) dS = √(14) ∫₀¹ ∫₀² (1 + 2u + v) = ((u + v) + (u - v)) du dv
= (14)... 01... 02 (3u + v + 1) du dv
= (14), 01 (3/2 u2, uv, and u), |02 dv
= √(14) ∫₀¹ (8 + 2v) dv
= √(14) (8v + 2v²) |₀¹
= 10 √(14) (14).
The parallelogram with the parametric equations x = u + v, y = u â' v, and z = 1 + 2u + v is the surface integral.
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A recipe calls for 24 ounces of chocolate chips. How many pounds is this?
A. 1
B. 1 1/2
C. 2
D. 2 1/2
B
1 pound = 16 ounces
24 = 16 x 1½
Shen bought a desk on sale for $218.40. This price was 72% less than the original price. What was the original price?
Answer:
780
Step-by-step explanation:
In this example we will call Original Price = y
72%=0.72
218.40=0.72*y
1-0.72=0.28
218.4÷0.28=780
16x - 10y = 10
-8x - 6y = 6
Answer:
x=0 y=-1
Step-by-step explanation:
16x-10y=10
-8x-6y=6 *2 -16x-12y=12
16x-10y=10
-16x-12y=12
-22y=22 Add it together
y=-1
-8x-(6*(-1))=6
-8x+6=6
x=0
12x + 16 = 100
100
(Equation)
Solve it and show your work!
15
Simon & Iris earned money
by selling candy. They
earned $12 by recycling.
They split the total and
each got $100. How much
did they earn selling
candy?
Speaker notes
Answer:
1. x = 7
Step-by-step explanation:
12x + 16 = 100
12x = 84
x = 7
Answer:
1. x = 7
2. Simon and Iris earned $212 selling candy.
Step-by-step explanation:
1. 12(7) + 16 = 100
84 + 16 = 100
100 = 100
Therefore, x = 7.
2. If they split the price by 2, then we need to multiply $100 by 2.
100 x 2 = $200
$200 + $12 = $212
Therefore, Simon and Iris earned $212 selling candy.
PLEASE HELP
Juan has $67 in $5 and $1 bills. If has 19 bills in all, how many $1 bills does he have?
Juan have 7 bill for $1 bills.
What is an expression?Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.
Given that;
Juan has $67 in $5 and $1 bills.
And, He has 19 bills in all.
Now, Let number of $1 bills = x
And, Number of $5 bills = y
Here, Juan has $67 in $5 and $1 bills.
So, We get;
⇒ x + 5y = 67 .. (i)
And, He has 19 bills in all.
So, We get;
⇒ x + y = 19
⇒ x = 19 - y .. (ii)
Substitute the value of x from (ii) in (i), we get;
⇒ x + 5y = 67
⇒ 19 - y + 5y = 67
⇒ 19 + 4y = 67
⇒ 4y = 67 - 19
⇒ 4y = 48
⇒ y = 12
And, from (ii),
⇒ x = 19 - y
⇒ x = 19 - 12
⇒ x = 7
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y= 2x+4
How many solutions does this linear system have?
x + 2y = 8
O one solution: (8,0)
one solution: (0, 8)
no solution
O infinite number of solutions
Answer:
the answer is (-8,0)
Step-by-step explanation:
thats the right answer
A circle has a diameter of 4.5 cm. A larger circle has a diameter of 24
cm. What is the approximate difference in the circumferences of the
two circles?
A 19.5 cm
B. 28.5 cm
C. 61 cm
D. 90 cm
The approximate difference in the circumferences of the two circles is: C. 61 cm.
How to calculate the circumference of a circle?Mathematically, the circumference of a circle can be calculated by using this mathematical expression:
C = 2πr or C = πD
Where:
C represents the circumference of a circle.D represents the diameter of a circle.r represents the radius of a circle.Substituting the given parameters into the circumference of a circle formula, the circumference of the small circle is;
Circumference of circle, C = πD
Circumference of circle, C = 3.14 × 4.5
Circumference of circle, C = 14.13 cm.
For the larger circle, we have:
Circumference of circle, C = 3.14 × 24
Circumference of circle, C = 75.36 cm.
Difference = 75.36 cm - 14.13 cm.
Difference = 61.23 ≈ 61 cm.
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If a figure is a rectangle, it is a parallelogram.
P: a figure is a rectangle
Q: a figure is a parallelogram
which represents the inverse of this statement is the inverse true or false 
The inverse statement is false.
The inverse of the statement "If a figure is a rectangle, it is a parallelogram" would be:If a figure is not a rectangle, then it is not a parallelogram.To determine if the inverse is true or false, we need to evaluate its validity. In this case, the inverse statement is false. Just because a figure is not a rectangle does not mean it cannot be a parallelogram. There are other types of parallelograms, such as squares and rhombuses, that are not rectangles. Therefore, the inverse statement is false.For such more questions on inverse
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14. Find three consecutive odd integers such that the product of the first and the third is 13 less
than ten times the second integer.
Answer:
1 ale 2 no se 3 saca de tu mente 4
I WILL GIVE BRAINLEST AND CREATE A RANDOM QUE FOR U TO GET AN EXTRA !!!!!50!!!!! POINTS (ONLY IF YOU ACTUALLY SHOW YOUR WORK AND IS CORRECT) hurry plz im in a rush
1.) Factor Completely: SHOW ALL WORK! 32a^8−128x^2
2.) Factor Completely: SHOW ALL WORK!x^3+4x^2−x−4
Answer:
1) 32(a^4+2x)(a^4-2x) 2) (x+4)(x+1)(x-1)
Step-by-step explanation:
Graph makes no sense to me
Answer:
(a) 0
(b) 0
(c) 1
The function is not continous at x = 9
Step-by-step explanation:
To the left and right of the point x = 9, the graph would seem to continue at f(x) = 0, however on the exact point x = 9 there is a hole in the graph allowing it to be equal to 1. Due to the hole in the graph, it is not continuous
Apologies if this is wrong its been a bit since I did calculus
For students who first enrolled in a two year public institution in 2013, the proportion who earned a bachelor's degree in six years was 0.236. The president of a certain college believes that the proportion of students who enroll in her institution have a higher completion rate.
(a) Determine the null and alternative hypotheses.
(b) Explain what it would mean to make a Type I error.
(c) Explain what it would mean to make a Type II error.
Answer:
H0 : p = 0.236
H1 : p > 0.236
Type 1 error is committed by incorrectly rejecting a true null hypothesis
Type 11 error is committed by incorrectly accepting a false null
Step-by-step explanation:
The null and alternative hypothesis :
H0 : p = 0.236
H1 : p > 0.236
A type 1 error is made when a null hypothesis is incorrectly rejected, Hence in this scenario, a type 1 error will be committed of we conclude that the proportion who earned bachelor's degree is more Than 0.236 when the actual proportion not more than but equal to 0.236
A type 11 error is committed when we fail to reject a false null hypothesis. This means that if the actual proportion who earned a bachelor's degree is more than 0.236 and we fail to reject the null which says the proportion is not more than 0.236
Find the 66th
term in the following
arithmetic sequence
-92, -85, -78, -71, ...
Answer:
The \(66\)th term is \(363\).
Step-by-step explanation:
To find the \(n\)th term, the formula is \(7n - 99\). Since we want to find the \(66\)th term, we can plug \(n\) for \(66\). So our expression is now \(7 \cdot 66 - 99 =\) \(66\)th term. Solving this we have
\(462 - 99 = 66\text{th term}\\363 = 66\text{th term}\\\). Therefore, the \(66\)th term is \(\boxed{363}\).
Answer:
a₆₆ = 363
Step-by-step explanation:
the nth term of an arithmetic sequence is
\(a_{n}\) = a₁ + (n - 1)d
where a₁ is the first term and d the common difference
here a₁ = - 92 and d = a₂ - a₁ = - 85 - (- 92) = - 85 + 92 = 7 , then
a₆₆ = - 92 + (65 × 7)
= - 92 + 455
= 363
helpppppppppppppppppppppp
Answer:
309 inches squared
Step-by-step explanation:
bottom face: 40
left face: 96
right face: 104
front face: 30
behind face: 30
add them up
please please help last text then finals l give brainliest
1. The x - intercepts of the parabola are
x = 2.5 s and x = 7.5 s2. The meaning of the x-intercepts are the plane takes of at x = 2.5 s and lands at x = 7.5 s
3. The vertex of the parabola is at (5, 80).
What is a parabola?A parabola is a curved shape
1. Given the parabola above, to find the x - intercepts, we proceed as follows.
The x-intercepts are the points at which the graph cuts the x-axis.
They are
x = 2.5 s and x = 7.5 s2. The meaning of the x-intercepts in this problem are the points where the plane takes off and lands on the ground.
The plane takes of at x = 2.5 s and lands at x = 7.5 s
3. The vertex is the maximum point on the graph.
So, we see that the vertex is at x = 5 s and y = 80 ft
So, the vertex is at (5, 80).
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3.1 plus 7.4 plus 6.9
Answer: 17.4
Step-by-step explanation:
There isn't much to it... it's basic addition.
I guess if you were not using a calculator you would set it up like this:
3.1
+7.4
+6.9
---------
17.4
Answer:
17.4
Step-by-step explanation:
if you estimate all of these you get 3,7, and 7, these(added together) are 17,
what is the range of this function?
Answer:
13,13,10,-15
Step-by-step explanation:
Determine the whole number of standard deviations from the mean that include all
data values.
The mean price of the nonfiction books on a best-sellers list is $25.07; the standard
deviation is $2.62.
$26.95, $22.95, $24.00, $24.95, $29.95, $19.95, $24.95, $24.00, $27.95, $25.00
The number of standard deviations from the mean that include all
data values is two.
Standard Deviation could be a live that shows what proportion variation (such as unfold, dispersion, spread,) from the mean exists. the quality deviation indicates a “typical” deviation from the mean.it's a well-liked live of variability as a result of it returns to the initial units of live of the information setFrom the gathering of information, we will see that the minimum worth is $19.95 and also the most worth is $29.95. So , we would like to seek out the amount of normal deviations, let's decision it "a" , such that\(\overline x $\color \ - a\cdot\sigma \le 19.95}\) and \(\overline x $\color \ +a\cdot\sigma \geq 29.95}\)
Use the given values of mean \(\overline x\) and normal deviation (σ) to notice the worth of "a".
\(\overline x $\color \ - a\cdot\sigma \le 19.95}\\25.07\ - 2.62a \leq 19.95\\5.12\leq 2.62a\\1.9541\leq a\)
On rounding off we get a = 2
Checking another inequality
\(\overline x $\color \ + a\cdot\sigma \geq 29.95}\\25.07 \ + 2(2.62) \geq 29.95\\25.07 + 5.24 \geq 29.95\\30.31\geq 29.95\)
Thus , 2 standard deviation include the all values from the given set of data .
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(1) Write a note on advantage of using a solar cooker?
Answer:
Adding 12 to the circle area is equal to the square area.
Or
s2 = 12 + A
Where
s = side of square
A = area of circle
So
s2 = 12 + 36
s2 = 48
Solve this for s to get the side length
a device that utilize solar energy for cooking for purpose is called solar cooker.
It is pollution free.
It helps to cook food.
The food which is cooked in solar cooker is nutrition
Step-by-step explanation:
.
Yavonne has $15.90 in her checking account. She needs to buy items that cost $3.18 each. How many of these items can she buy?
a
4
b
5
c
6
d
7
Answer:
5.
Step-by-step explanation:
15.90 / 3.18 =
Mia hired a moving company. The company charged $500 or its services, and Mia gives the movers a 16% tip.
Answer:
The company charged $500 for its services,and Mia gives the movers a 16% tip. Now, we can add the tip amount to the cost of the service to find the total amount Mia paid: Total amount = Cost of service + Tip amount = $500 + $80 = $580
Step-by-step explanation:
ridgette brings a bag of 100 assorted candies in different flavors to her swim meet. She randomly grabs some candies out of the bag and hands them out to her teammates. The table below shows the flavors she has handed out. Flavor Number of candies lemon 6 orange 5 grape 8 cherry 13 Based on the data, estimate how many lemon candies were in the bag of 100 candies
Based on the data, the estimated number of lemon candies in the bag of 100 assorted candies is about 19.
What is proportion?In mathematics, proportion refers to the relationship between two quantities that are equivalent or have a constant ratio. It is usually expressed as a fraction or a ratio. For example, if a recipe calls for 2 cups of flour and 1 cup of water, the proportion of flour to water is 2:1 or 2/1. Proportions are used in a variety of mathematical and real-world situations, such as solving problems involving ratios, rates, and percentages.
In the given question,
We can use a simple proportion to estimate the number of lemon candies in the bag. We know that Ridgette handed out a total of 6 lemon candies out of a total of candies. Therefore, the proportion of lemon candies in the bag is:
6/total candies = number of lemon candies/100
We can cross-multiply to solve for the number of lemon candies:
number of lemon candies = 6 x 100 / total candies
We can also use the information about the other flavors to estimate the total number of candies in the bag. The total number of candies is:
total candies = lemon + orange + grape + cherry
Using the information from the table, we can estimate the total number of candies:
total candies = 6 + 5 + 8 + 13 = 32
Therefore, the estimated number of lemon candies in the bag is:
number of lemon candies = 6 x 100 / 32 = 18.75
We can round this to the nearest whole number to estimate that there were about 19 lemon candies in the bag of 100 assorted candies.
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Could someone please help me with this equation, thank you.
-8 + x/5 = 12
Answer:
x = 100
Step-by-step explanation:
1. To get rid of the denominator of 5, multiply both sides of the equation to get 5
-40 + x = 60
2. Add 40 on both sides to get the variable x by itself
x = 60 + 40
3. Solve
x = 100
Answer:
x=100
Step-by-step explanation:
-8+x/5=12
--8+x/5=12+8
x/5=20
5*20=100
x=100
Any polygon can be the base of a prism. A. True B. False
Answer:
true
Step-by-step explanation:
A prism is a solid with parallelogram sides (usually rectangles) and a polygon for the 2 bases. Any polygon can be the base.
Answer:
Hello!
__________________
Your answer would be (A) True.
Step-by-step explanation: Hope this helped you!
Any polygon can be the base of a prism so the answer is true.
Find the quotient of z₁ by z2. Express your answer in
trigonometric
form.
² - 3 (0 (4) + (*))
Z₁ cos
+/sin
Z₂
²2 = 7 (cos(377)+
COS
8
O A. 7 (cos (577) + i sin (5/77))
8
B.
21(cos(577)+isin (577))
8
OC. 21 cos
21(cos(-7)+ i sin(-77))
O D. 7 (cos(-7) + + sin(-7))
i
+/sin
37T
8
The quotient of z₁ by z₂ in trigonometric form is:
7/21 * (cos(584°) + i sin(584°))
To find the quotient of z₁ by z₂ in trigonometric form, we'll express both complex numbers in trigonometric form and then divide them.
Let's represent z₁ in trigonometric form as z₁ = r₁(cosθ₁ + isinθ₁), where r₁ is the magnitude of z₁ and θ₁ is the argument of z₁.
We have:
z₁ = 7(cos(577°) + i sin(577°))
Now, let's represent z₂ in trigonometric form as z₂ = r₂(cosθ₂ + isinθ₂), where r₂ is the magnitude of z₂ and θ₂ is the argument of z₂.
From the given information, we have:
z₂ = 21(cos(-7°) + i sin(-77°))
To find the quotient, we divide z₁ by z₂:
z₁ / z₂ = (r₁/r₂) * [cos(θ₁ - θ₂) + i sin(θ₁ - θ₂)]
Substituting the given values, we have:
z₁ / z₂ = (7/21) * [cos(577° - (-7°)) + i sin(577° - (-7°))]
= (7/21) * [cos(584°) + i sin(584°)]
The quotient of z₁ by z₂ in trigonometric form is:
7/21 * (cos(584°) + i sin(584°))
Option C, 21(cos(-7°) + i sin(-77°)), is not the correct answer as it does not represent the quotient of z₁ by z₂.
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Simplify 4(3 − 2) − 7( + 5) Show work
Answer:
- 31
Step-by-step explanation:
4(3 − 2) − 7(5)
Subtract 3 - 2
4(1) - 7(5)
Multiple -7 and 5
4 - 35
Subtract 4 - 35
The correct answer is -31.
The simplified form of 4(3 − 2) − 7( + 5) is -31.
To simplify the given expression, using (PEMDAS/BODMAS) and simplify each part step by step.
4(3 − 2) − 7( + 5)
First, simplify the expressions inside the parentheses:
3 − 2 = 1
+ 5 = 5
then, the expression becomes:
4(1) − 7(5)
Next, let's perform the multiplications:
4(1) = 4
7(5) = 35
The expression now becomes:
4 − 35
Finally, let's perform the subtraction:
4 − 35 = -31
Therefore, the simplified form of 4(3 − 2) − 7( + 5) is -31.
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Write an equation in slope-intercept form of the line that satisfies the given conditions. Through (7,1 ); parallel to 2x-y=6
An equation of the line that is parallel to the line 2x - y = 6 and passes through the point (7, 1) is y = 2x - 13.
What is the point-slope form?In Mathematics, the point-slope form of a straight line can be calculated by using the following mathematical expression:
y - y₁ = m(x - x₁) or y - y₁ = (y₂ - y₁)/(x₂ - x₁)(x - x₁)
Where:
x and y represent the points.m represent the slope.2x - y = 6
y = 2x - 6
In Geometry, two (2) lines are parallel under the following conditions:
m₁ = m₂ ⇒ 2 = 2
At data point (7, 1), an equation of this line in slope-intercept form can be calculated by using the point-slope form:
y - y₁ = m(x - x₁)
y - 1 = 2(x - 7)
y = 2x - 14 + 1
y = 2x - 13
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#10:
The weight (in pounds) of each wrestler on the high
school wrestling team at the beginning of the season is
listed below.
178 142 112 150 206 130
Two more wrestlers join the team during the season.
The addition of these wrestlers has no effect on the
mean weight of the wrestlers, but the median weight
of the wrestlers increases 3 pounds.
Determine the weights of the two new wrestlers.
The two new wrestlers must weigh 164 pounds each in order for the median to increase by 3 pounds.
What is median?Median is used to identify the central tendency of the data and is calculated by sorting the data in order from smallest to largest and then selecting the middle value.
Since the median weight of the wrestlers increases by 3 pounds, the median of the new data set (with the two new wrestlers) must be 153 pounds.
To calculate the weights of the two new wrestlers, we need to arrange the data set in ascending order first.
When the two new wrestlers are included, the new data set looks like this: 112, 130, 142, 150, 178, 206, x, y.
The median number in this data set is the average of the third and fourth numbers, 150 and 178.
Thus, the equation is written as
(150 + 178) / 2 = 164.
We can then solve this equation to find the weights of the two new wrestlers.
150 + 178 = 328
328 / 2 = 164.
So, the two new wrestlers must weigh 164 pounds each in order for the median to increase by 3 pounds.
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A triangle has a base length of 3ac2 and a height 2 centimeters more than the base length. Find the area of the triangle if a = 2 and c = 3.
The area of the triangle, when a = 2 and c = 3, is 1512 square centimeters.
We must apply the formula for the area of a triangle, which is provided by: to determine the triangle's area.
(1/2) * Base * Height = Area
We can enter the values of a = 2 and c = 3 into the formula given that the base length is 3ac2 and the height is 2 centimetres greater than the base length.
Base length =\(3ac^2 = 3 * 2 * (3^2) = 3 * 2 * 9 = 54\) centimeters
Height is calculated as Base Length + 2 (54 + 2 = 56 centimetres).
Using these values as a substitute in the formula, we obtain:
Area =\((1/2) * 54 * 56 = 1512\) square centimeters
centimetres square
It's crucial to understand that the calculation assumes the triangle is a right triangle with the specified base and height and that the given values of a and c are accurately used in the formula.
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Given the function f(x) = 0.5|x - 41-3, for what values of x is f(x) = 7?
x = -24, x = 16
x= -16, x = 24
x=-1, x = 9
x = 1, x = -9
The values of x for which f(x) = 7 are x = 61 and x = 21.
To find the values of x for which f(x) = 7, we can set up the equation and solve for x.
The given function is f(x) = 0.5|x - 41| - 3.
Setting f(x) equal to 7, we have:
0.5|x - 41| - 3 = 7.
First, let's isolate the absolute value term:
0.5|x - 41| = 7 + 3.
0.5|x - 41| = 10.
To remove the absolute value, we can consider two cases:
Case: (x - 41) is positive or zero:
0.5(x - 41) = 10.
Multiplying both sides by 2 to get rid of the fraction:
x - 41 = 20.
Adding 41 to both sides:
x = 61.
So x = 61 is a solution for this case.
Case: (x - 41) is negative:
0.5(-x + 41) = 10.
Multiplying both sides by 2:
-x + 41 = 20.
Subtracting 41 from both sides:
-x = -21.
Multiplying both sides by -1 to solve for x:
x = 21.
So x = 21 is a solution for this case.
Therefore, the values of x for which f(x) = 7 are x = 61 and x = 21.
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