Answer:
Domain of the function:
In interval notation: [6, ∞)
In set notation: {x: x∈R, x≥6}
Step-by-step explanation:
Remember that the the domain of the square root function are all the values such is is bigger than zero. We can express the later in set notation: {x: x∈R, x≥0}, or in interval notation: [0, ∞)
This is because the square root is not defined, in the real numbers, for negative values.
So, to find the domain of our function, we just need to set the thing inside the radical grater or equal than zero and solve for x:
The domain of the function is all the numbers bigger than 6, including 6.
Domain of the function: x will have values greater than or equal to 6 .
In interval notation: [6, ∞)
In set notation: {x: x∈R, x≥6}
Given, that function y = 2√x-6
Domain of the square root function are all the values which is greater than zero.
Express the later in set notation:
{x: x ∈ R, x≥0},
Interval notation: [0, ∞)
This is because the square root is not defined, in the real numbers, for negative values.
Domain of function y,
\(y= 2\sqrt{x-6}\)
\(x-6\geq 0 \\x\geq 6\)
The domain of the function is all the numbers greater than 6, including 6. Thus domain of function : [6, ∞) .
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The base of the mountain is 6,500 feet above sea level and AB measures 230 feet across. Given that the measurements for QAP is 20° and QBP is 35°, how far above sea level is peak P ? Express your answer to the nearest foot.
Height above sea level:
Answer:
6610
Step-by-step explanation:
We have tan(X) = opposite/ adjacent
tan(QBP) = PQ/BQ
tan(35) = PQ/BQ ---eq(1)
tan(QAP) = PQ/AQ
tan(20) = \(\frac{PQ}{AB +BQ}\)
\(=\frac{1}{\frac{AB+BQ}{PQ} } \\\\=\frac{1}{\frac{AB}{PQ} +\frac{BQ}{PQ} } \\\\= \frac{1}{\frac{230}{PQ} + tan(35)} \;\;\;(from\;eq(1))\\\\= \frac{1}{\frac{230 + PQ tan(35)}{PQ} } \\\\= \frac{PQ}{230+PQ tan(35)}\)
230*tan(20) + PQ*tan(20)*tan(35) = PQ
⇒ 230 tan(20) = PQ - PQ*tan(20)*tan(35)
⇒ 230 tan(20) = PQ[1 - tan(20)*tan(35)]
\(PQ = \frac{230 tan(20)}{1 - tan(20)tan(35)}\)
\(= \frac{230*0.36}{1 - 0.36*0.7}\\\\= \frac{82.8}{1-0.25} \\\\=\frac{82.8}{0.75} \\\\= 110.4\)
PQ = 110.4
≈110
Height above sea level = 6500 + PQ
6500 + 110
= 6610
Reed has an aquarium that holds 12 gallons of
water. There are approximately 4 liters in one
gallon. Which measurement is closest to the
number of liters in Reed's aquarium?
Answer:
48
Step-by-step explanation:
12*4=48
if ²/6 means 2 ÷ n what is the value of n
Answer:
answer= 6
Step-by-step explanation:
if ²/6 means 2 ÷ n
n= 6
calculate the iterated integral. 3 0 1 6xy x2 + y2 dy dx 0
The final value of the iterated integral is 945\(\sqrt{10}\).
To calculate the iterated integral, we need to evaluate the inner integral with respect to y first and then the outer integral with respect to x.
The inner integral is to be integrated with respect to y is:
∫(6xy\(\sqrt{(x^2 + y^2)}\))dy from 0 to 1 = [3y(\(x^2 + y^2\)\()^{(3/2)}\))] from 0 to 1
= [3y*\((x^2 + y^2\)\()^{(3/2)}\)] from 0 to 1
= 3(1)*(\(x^2\) + 1\()^{(3/2)}\)
= 3(\(x^2\) + 1\()^{(3/2)}\)
Now, we can use this result as the inside function to evaluate the outer integral with respect to x.
The outer integral is to be integrated with respect to x is:
∫(3(\(x^2\) + 1\()^{(3/2)}\))dx from 0 to 3
= [x(\(x^2\) + 1\()^{(5/2)}\)] from 0 to 3
= [3\((3^2 + 1\) \()^{(5/2)}\) - 0(0^2 + 1\()^{(5/2)}\)]
= [3(10 - 0]
= [945\(\sqrt{10}\))]
So the final value of the iterated integral is 945\(\sqrt{10}\).
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The complete question is -
Calculate the iterated integral. Integral from 0 to 3 integral from 0 to 1 of 6xy\(\sqrt{(x^2 + y^2)}\) dy dx
A message is coded into the binary symbols 0 and 1 and the message is sent over a communication channel.
The probability a 0 is sent is 0.4 and the probability a 1 is sent is 0.6. The channel, however, has a random error that
changes a 1 to a 0 with probability 0.1 and changes a 0 to a 1 with probability 0.2. Show your work below.
a. What is the probability a 1 is received?
b. If a 1 is received, what is the probability a 0 was sent?
Answer:
A: the probability that a 1 is received is 0.56.
B: the probability that a 0 was sent given that a 1 is received is (2/25) * (1 - P(0 sent)).
Step-by-step explanation:
To solve this problem, we can use conditional probabilities and the concept of Bayes' theorem.
a. To find the probability that a 1 is received, we need to consider the two possibilities: either a 1 was sent and remained unchanged, or a 0 was sent and got flipped to a 1 by the random error.
Let's denote:
P(1 sent) = 0.6 (probability a 1 is sent)
P(0→1) = 0.2 (probability a 0 is flipped to 1)
P(1 received) = ?
P(1 received) = P(1 sent and unchanged) + P(0 sent and flipped to 1)
= P(1 sent) * (1 - P(0→1)) + P(0 sent) * P(0→1)
= 0.6 * (1 - 0.2) + 0.4 * 0.2
= 0.6 * 0.8 + 0.4 * 0.2
= 0.48 + 0.08
= 0.56
Therefore, the probability that a 1 is received is 0.56.
b. If a 1 is received, we want to find the probability that a 0 was sent. We can use Bayes' theorem to calculate this.
Let's denote:
P(0 sent) = ?
P(1 received) = 0.56
We know that P(0 sent) + P(1 sent) = 1 (since either a 0 or a 1 is sent).
Using Bayes' theorem:
P(0 sent | 1 received) = (P(1 received | 0 sent) * P(0 sent)) / P(1 received)
P(1 received | 0 sent) = P(0 sent and flipped to 1) = 0.4 * 0.2 = 0.08
P(0 sent | 1 received) = (0.08 * P(0 sent)) / 0.56
Since P(0 sent) + P(1 sent) = 1, we can substitute 1 - P(0 sent) for P(1 sent):
P(0 sent | 1 received) = (0.08 * (1 - P(0 sent))) / 0.56
Simplifying:
P(0 sent | 1 received) = 0.08 * (1 - P(0 sent)) / 0.56
= 0.08 * (1 - P(0 sent)) * (1 / 0.56)
= 0.08 * (1 - P(0 sent)) * (25/14)
= (2/25) * (1 - P(0 sent))
Therefore, the probability that a 0 was sent given that a 1 is received is (2/25) * (1 - P(0 sent)).
A message is coded into the binary symbols 0 and 1 and the message is sent over a communication channel. The probability a 0 is sent is 0.4 and the probability a 1 is sent is 0.6. The channel, however, has a random error that changes a 1 to a 0 with probability 0.2 and changes a 0 to a 1 with probability 0.1. (a) What is the probability a 0 is received? (b) If a 1 is received, what is the probability a 0 was sent?
Nora wrote a total of 12 pages over 4 hours. A few days later, she wrote 48 pages over the course of 16 hours. How many pages did she write per hour ?
Answer:
She wrote 3 pages per hour
Step-by-step explanation:
12 ÷ 4 is 3
48 ÷ 16 is 3
or add the days and hours
16 + 4 = 20
48 + 12 = 60
60 days /20 hours = 3 pages per hour
Calculate the product 78.93 x 32.45
Answer:
The answer is 2 561,2785 !!!
The required value is 2,556.2785 which is determined by the multiplication operation.
What is the Multiplication operation?In mathematics, Multiplication operations perform Multiplying values on either side of the operator.
For example 4×2 = 8
The numbers are given in the question, as follows:
78.93 and 32.45
To calculate the product of 78.93 and 32.45, you can use the standard multiplication algorithm.
78.93 x 32.45
Apply the multiplication operation, and we get
2,556.2785
Thus, the required value is 2,556.2785.
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Find the difference between the actual quotient and the estimated quotient of 54,114÷29 . (Dividend is rounded off to nearest thousand and divisor to nearest ten)
The difference between the actual quotient and the estimated quotient of 54,114 ÷ 29 is approximately 66.3448275862068965517241379.
To find the difference between the actual quotient and the estimated quotient of 54,114 ÷ 29, we need to first calculate the actual quotient and then the estimated quotient.
Actual quotient:
Dividing 54,114 by 29, we get:
54,114 ÷ 29 = 1,866.3448275862068965517241379 (approximated to 28 decimal places)
Estimated quotient:
Rounding the dividend, 54,114, to the nearest thousand gives us 54,000. Rounding the divisor, 29, to the nearest ten gives us 30. Now, we can perform the division with the rounded values:
54,000 ÷ 30 = 1,800
Difference between actual and estimated quotient:
Actual quotient - Estimated quotient = 1,866.3448275862068965517241379 - 1,800 = 66.3448275862068965517241379
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Consider the diagram.
Planes M and N intersect at line d. Lines a, b, and e are on plane M. Line a is vertical and forms a right angle with line d. Line b is diagonal and goes up and to the right. Line e is at the top of the plane and is close to being horizontal. Line c is on plane N and goes slightly up and to the right.
Lines a and d are
non-coplanar.
parallel.
perpendicular.
skew.
Answer:
perpindicular
Step-by-step explanation:
The line a and line d are perpendicular to each other.
What is a perpendicular lineA perpendicular line is a line that intersect another line at 90 degrees. Perpendicular lines are also called normal lines.
Constructing lines a and dAfter constructing the two lines; line a and line intersect or meet each other at 90 degrees to the horizontal.
Thus, we can conclude that the line a and line d are perpendicular to each other.
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105-30-45-3028+10000000000000038492=?
Answer:
105-30-45-3028+10000000000000038492= 1.000000000000003e19
Step-by-step explanation:
I did the math
have a good day!!
6. Tell whether the sequence is arithmetic. If it is, what is the common difference?
-19, -11, -3, 5,...
Oyes; 5
Oyes; 6
Oyes; 8
O no
The sequence -19, -11, -3, 5,... is arithmetic with a common difference of 8.
An arithmetic sequence is a sequence of numbers in which each term is obtained by adding a constant value, called the common difference (d), to the preceding term. To determine if the given sequence is arithmetic, we can find the differences between consecutive terms.
The difference between the second and first terms is 11 - (-19) = 30, and the difference between the third and second terms is -3 - (-11) = 8. The difference between the fourth and third terms is 5 - (-3) = 8. Since the differences between consecutive terms are the same, the sequence is arithmetic.
The common difference can be found by subtracting any term from the term that follows it. For example, the common difference can be obtained by subtracting the second term (-11) from the third term (-3), or by subtracting the third term (-3) from the fourth term (5).
In both cases, we get a common difference of 8. Therefore, the common difference of the given sequence is 8.
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i will give brainly if you find x (no silly answers pls)
Answer:
Maybe 3 because 2*9=x+15
So 18=x+15
So x=3
Am not sure
Answer:
3 because 2*9=x+15
So 18=x+15
So x=3
Step-by-step explanation:
Find the probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by:
a. 3.
b. 3 and 5.
c. 3 or 5.
The probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by 3, 3 and 5, and 3 or 5 is 33.3%, 6.6%, and 46.7%, respectively.
To find the probability of randomly selecting a number between 1 and 1000 (including both ends), we can count the number of the desired outcomes and divide it by the total number of possible outcomes.
a. To find the probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by 3, we can count the number of multiples of 3 between 1 and 1000, and divide by the total number of possible outcomes.
The first multiple of 3 is 3, and the last multiple of 3 that is less than or equal to 1000 is 999.
999/3 = 333
So there are 333 multiples of 3 between 1 and 1000.
probability = 333/1000 = 0.333 = 33.3%
b. To find the probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by 3 and 5, we can count the number of multiples of 15 (the least common multiple of 3 and 5) between 1 and 1000, and divide by the total number of possible outcomes.
The first multiple of 15 is 15, and the last multiple of 15 that is less than or equal to 1000 is 990.
990/15 = 66
So there are 66 multiples of 15 between 1 and 1000.
probability = 66/1000 = 0.066 = 6.6%
c. To find the probability of randomly selecting a number between 1 and 1000 (including both ends) which is divisible by 3 or 5, we can count the number of multiples of 3 or 5 (or both) between 1 and 1000, and divide by the total number of possible outcomes.
To count the number of multiples of 3 or 5, we can add the number of multiples of 3 and the number of multiples of 5, and then subtract the number of multiples of 15 (to avoid double-counting).
The number of multiples of 3 between 1 and 1000 is 333, the number of multiples of 5 is 200, and the number of multiples of 15 is 66.
probability = (200 + 333 - 66)/1000 = 0.467 = 46.7%
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Identify the parent function.
•
A. Cube root
B. Reciprocal
C. Absolute value
D. Square root
Please awnser asap I will brainlist
The members of the given set in this problem are given as follows:
X U (Y ∩ Z) = {p, q, r, 0, 6, 21, 22, 23, 26}
How to obtain the union and intersection set of two sets?The union and intersection sets of multiple sets are defined as follows:
The union set is composed by the elements that belong to at least one of the sets.The intersection set is composed by the elements that belong to at all the sets.The intersection of the sets Y and Z for this problem is given as follows:
Y ∩ Z = {0, 6, 23, 26}
(which are the elements that belong to both of the sets).
The union of the above set with the set X is given as follows:
X U (Y ∩ Z) = {p, q, r, 0, 6, 21, 22, 23, 26}
(elements that belong to at least one of the sets).
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List all the 4-tuples in the relation {(a,b,c,d) | a,b,c,d∈!+ , a+b+c+d = 6}
We have a total of seven 4-tuples that satisfy the given relation.The given relation is {(a,b,c,d) | a,b,c,d∈!+ , a+b+c+d = 6}. It can be understood as the set of 4-tuples (a, b, c, d) such that a, b, c, and d are positive integers and their sum is equal to 6.
Let's now list all the possible 4-tuples that satisfy the given relation. The possible combinations are as follows: (1, 1, 1, 3), (1, 1, 2, 2), (1, 2, 1, 2), (2, 1, 1, 2), (1, 2, 2, 1), (2, 1, 2, 1), and (2, 2, 1, 1).
Here's a brief explanation on how these 4-tuples were obtained. Let a, b, c, and d be positive integers such that a+b+c+d = 6. The least possible value that each variable can take is 1.
So, we start with a=1 and find all possible values of (b, c, d) that satisfy the given equation. Then, we move to a=2 and repeat the process. Finally, we list all the possible 4-tuples that we obtained.
Thus, we have a total of seven 4-tuples that satisfy the given relation.
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Does the equation xy + 6y = 9 define y as a function of x?
O Yes
O No
Answer:
no. a function doesnt contain an = sign
Step-by-step explanation:
Answer:
Yes, it is a function.
Explanation:
xy + 6y = 9
y(x + 6) = 9
y = 9/(x + 6)
It is a inverse variation function.
Where equation: xy = k ["k" is constant]
Each value of x corresponds to a single value of y.Amita's kitchen is rectangular with an area of 3 and 3/4 square meters the width of the kitchen is 1 and 1/2 m what is the length in meters of Anita's kicthen
Answer:
2 1 ÷ 2
Step-by-step explanation:
Given that
The kitchen of Amita would be a rectangular area contains 3 and 3 ÷ 4 square meters
And, the width of her kitchen is 1 and 1 ÷ 2 meter
So based on the above information, the length of Amita kitchen is
Here you divide the rectangular area by the width
= (3 and 3 ÷ 4) ÷ (1 and 1 ÷ 2)
= 2 and 1 ÷ 2
Hence, the length in meters of Anita's kitchen is 2 and 1 ÷ 2
Ciara was planting a garden that was going to be 7 meters by 2 meters. She wants to
put down pine straw around the garden. The shaded region represents the area for
the pine straw. Solve for the AREA of the SHADED REGION.
This will tell Ciara how much pine straw to purchase.
Using the formula for finding area of a rectangle we can get the area of the shaded region = 106 sq. meters.
What is area of a rectangle?The formula for calculating a rectangle's area can be used to determine how much space the rectangle takes up within its perimeter. The area of a rectangle is determined by multiplying its length by its width (breadth). The following formula can be used to get the area of a rectangle whose length and breadth are "l" and "w," respectively. L * W = the rectangle's area. Hence, the area of a rectangle is equal to length × width
Here, in the given figure, area of the small rectangle =
length × breadth
= 7 × 2
= 14 sq. meters
Now area of the shaded region =
12 × 10
=120 sq. meters.
Therefore, area of the shaded region = 120 - 14
= 106 sq. meters
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Estimate 6,976 + 3,983 + 13,560 by first rounding each number to the nearest thousand.
Answer:
Step-by-step explanation:
The thousand mark is the 4th number when going from right to left. So it would be the {6},976. When it comes to rounding, you go "5 and above, give it a shove, 4 and below, let it go. 6,976 rounded to the nearest thousand is 7,000, 3,983 rounded to the nearest thousand is 4,000, 13,560 rounded is 14,000.
7,000 + 4,000+ 14,000 = 25,000
Betty is having invitations printed for a holiday party. It costs $3.90 to set up the printing machine and $2.44 per invitation. In the equation below, x represents the number of invitations Betty is having printed, and y represents the cost to print the invitations.
y = $2.44x + $3.90
How much will it cost Betty to print 100 invitations?
A.
$392.44
B.
$251.80
C.
$103.90
D.
$247.90
Answer:
D) $247.90
Step-by-step explanation:
Understanding the equation:\( \underline{\sf{y = 2.44x + 3.90}}\)
y is the dependent function whereas x is the independent function.
(What does this mean?)
The values of y depend on the values of x, I.e., any change in the value of x causes a change in the value of y, meanwhile, the opposite doesn't happen.
x represents the number of invitations y represents the cost to print the invitationsThe cost to print the invitation depends on the number of invitations, for real.
Solution to the problem:The question asks us to find the cost of printing 100 invitations.
Substituting x for 100:
y = (2.44 × 100) + 3.90
y = 244 + 3.90
y = 247.90
Answer:The value of y obtained for x = 100 is the cost of printing 100 invitations – $ 247.90
30°
8 + 6x
4x + 2
in a triangle
Answer:
x=12
Step-by-step explanation:
Simplifying
30 + 4x + 2 = 8 + 6x
Reorder the terms:
30 + 2 + 4x = 8 + 6x
Combine like terms: 30 + 2 = 32
32 + 4x = 8 + 6x
Solving
32 + 4x = 8 + 6x
Solving for variable 'x'.
Move all terms containing x to the left, all other terms to the right.
Add '-6x' to each side of the equation.
32 + 4x + -6x = 8 + 6x + -6x
Combine like terms: 4x + -6x = -2x
32 + -2x = 8 + 6x + -6x
Combine like terms: 6x + -6x = 0
32 + -2x = 8 + 0
32 + -2x = 8
Add '-32' to each side of the equation.
32 + -32 + -2x = 8 + -32
Combine like terms: 32 + -32 = 0
0 + -2x = 8 + -32
-2x = 8 + -32
Combine like terms: 8 + -32 = -24
-2x = -24
Divide each side by '-2'.
x = 12
Simplifying
x = 12
Write 1/5 as a fraction before it was reduced
Which number doesn't share the same pattern as
2,20, 4,8,300
A cylinder has a base diameter of 6 cm and a height of 18 cm. What is its volume in cubic centimeters to the nearest tenths place?
Answer:
108 cm that my answer
sana makatulong
The answer is 508.9 cubed
108cm cubed is wrong
Find the slope of the line that passes through:
(-4, 7) and (-6, -4)
Answer:
Step-by-step explanation:
(-4 -7)/(-6+4)= -11/2
y + 4 = -11/2(x + 6)
y + 4 = -11/2x - 33
y = -11/2x - 37
Find the circumstances of a circle of the radius 15 CM
Al had ____ Pennie’s initially
AI initially had 786,432 pennies.
We have,
Let P be the initial number of pennies AI had.
According to the problem:
AI gives 3/8 of P pennies to Bev.
Bev gives 3/8 of what she got from AI to Carl.
Carl gives 3/8 of what he got from Bev to Dani.
Set up an equation to solve for P.
Let's start by finding how many pennies Dani gets from Carl:
Carl gives 3/8 of what he got from Bev to Dani, so Dani gets:
(3/8) x (3/8) x (3/8) x P pennies from Carl.
Next, let's find how many pennies Carl gets from Bev:
Bev gives 3/8 of what she got from AI to Carl,
So Carl gets (3/8) x (3/8) x P pennies from Bev.
Now we can substitute this expression for the number of pennies Carl gets from Bev into the expression for the number of pennies Dani gets from Carl:
Dani gets (3/8) x (3/8) x (3/8) x P pennies from Carl = (3/8) x (3/8) x (3/8) x (3/8) x P pennies from Bev = (3/8) x (3/8) x (3/8) x (3/8) x (3/8) x P pennies from AI.
We know that Dani gets 378 pennies, so we can set this expression equal to 378 and solve for P:
(3/8) x (3/8) x (3/8) x (3/8) x (3/8) x P = 378
Simplifying this expression:
P = 378 x (8/3) x (8/3) x (8/3) x (8/3) x (8/3)
P = 786,432
Therefore,
AI initially had 786,432 pennies.
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There are 18 students attending band camp, 4 girls and 14 boys. What is the
ratio of girls to boys at band camp?
Answer:
4:14 or 2:7
Step-by-step explanation:
there are 4 girls and 14 boys
the ratio is 4:14
correct me if this is wrong
Answer:
2/7
Step-by-step explanation:
two find the answer you need to reduce 4 and 14 into the lowest common denominator.
In a proposed business venture, Serena estimates there is a 65% chance she will make
$70,000 and a 35% chance she will lose $30,000. Determine Serena's expected value.
Answer:
$35,000
Step-by-step explanation:
In a proposed business venture, Serena estimates that there is a 65% chance that she will make $70,000
And also a 35% chance that she will loose $30,000
Therefore the expected value can be calculated as follows
E= 65/100 × 70,000 + 35/100 × (-30,000)
= 0.65 × 70,000 + 0.35(-30,000)
= 45,500 - 10,500
= $35,000
Hence the expected value is $35,000
Based on the probability of the payoffs, we can calculate that the expected value is $35,000.
The expected value is calculated as:
= ∑(Probability of payoff x Payoff)
The expected value here is therefore:
= (65% x 70,000) + (35% x -30,000)
= 45,500 - 10,500
= $35,000
In conclusion, the expected value is $35,000.
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