Answer:
256
Step-by-step explanation:
Multiply and simplify if possible - radical functions. Thank you!
We want to simplify the following expression
\(\sqrt{7x}(\sqrt{x}+7\sqrt{7})\)First, we can apply the distributive rule to rewrite this product
\(\sqrt{7x}(\sqrt{x}+7\sqrt{7})=(\sqrt{7x})(\sqrt{x})+(\sqrt{7x})(7\sqrt{7})\)Then, using the following property
\(\sqrt{x}\cdot\sqrt{y}=\sqrt{x\cdot y}\)we can rewrite our expression as
\((\sqrt{7x})(\sqrt{x})+(\sqrt{7x})(7\sqrt{7})=\sqrt{7x\cdot x}+7\sqrt{7x\cdot7}\)We can remove the squared terms out of the root
\(\sqrt{7x\cdot x}+7\sqrt{7x\cdot7}=x\sqrt{7}+7\cdot7\sqrt{x}=x\sqrt{7}+49\sqrt{x}\)and this is our answer.
\(\sqrt{7x}(\sqrt{x}+7\sqrt{7})=x\sqrt{7}+49\sqrt{x}\)Each histogram represents a set of data with a median of 29.5. Which set of data most likely has a mean that is closest to 29.5?
A graph shows the horizontal axis numbered 9 to 48. The vertical axis is numbered 1 to 5. The graph shows an upward trend from 1 to 33 then a downward trend from 33 to 45.
A graph shows the horizontal axis numbered 15 to 48. The vertical axis is numbered 1 to 5. The graph shows an upward trend from 1 to 30 then a downward trend from 30 to 45.
A graph shows the horizontal axis numbered 12 to 56. The vertical axis is numbered 2 to 8. The graph shows an upward trend from 1 to 32 then a downward trend from 32 to 56.
A graph shows the horizontal axis numbered 15 to 54. The vertical axis is numbered 1 to 5. The graph shows an upward trend from 1 to 24, a downward trend from 24 to 27, an upward trend from 27 to 30, a downward trend from 30 to 39, an upward trend from 39 to 45, a downward trend from 45 to 48, then an upward trend from 48 to 51.
To determine which set of data most likely has a mean closest to 29.5, we need to analyze the shape and position of the histograms in relation to the value 29.5.
Looking at the histograms described:
The first histogram ranges from 9 to 48, and the upward trend starts from 1 and ends at 33, followed by a downward trend. This histogram suggests that there may be values lower than 29.5, which would bring the mean below 29.5.
The second histogram ranges from 15 to 48, with an upward trend from 1 to 30 and then a downward trend. Similar to the first histogram, it suggests the possibility of values lower than 29.5, indicating a mean below 29.5.
The third histogram ranges from 12 to 56, and the upward trend starts from 1 and ends at 32, followed by a downward trend. This histogram covers a wider range but still suggests the possibility of values below 29.5, indicating a mean below 29.5.
The fourth histogram ranges from 15 to 54 and exhibits multiple trends. While it has fluctuations, it covers a wider range and includes both upward and downward trends. This histogram suggests the possibility of values above and below 29.5, potentially resulting in a mean closer to 29.5.
Based on the descriptions, the fourth histogram, with its more varied trends and wider range, is most likely to have a mean closest to 29.5.
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prove the following corollary of the archimedean principle. (see example 28 for the statement.) for every positive real number ε, there exists a positive integer n such that
The corollary states that for every positive real number ε, there exists a positive integer n such that
What is the corollary of the Archimedean principle?The corollary of the Archimedean principle states that for any positive real number ε, there exists a positive integer n such that ε is greater than the reciprocal of n, i.e., ε > 1/n. In other words, there exists a positive integer n such that the fraction 1/n is smaller than any given positive real number ε.
To prove this corollary, we can assume that ε is a positive real number. By the Archimedean principle, there exists a positive integer m such that m > ε. Now, consider the positive integer n = ⌈1/ε⌉ + 1, where ⌈x⌉ denotes the ceiling function, rounding up x to the nearest integer.
We have:
1/ε < 1/(⌈1/ε⌉ + 1) ≤ 1/(1/ε) = ε.
Therefore, we can conclude that for any positive real number ε, there exists a positive integer n = ⌈1/ε⌉ + 1 such that ε > 1/n.
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a rectangle's length and width are in a ratio of 7:4. the perimeter is 88 yards. what are the length and width?
The length of the rectangle is 28 yards and the width is 16 yards.
The length and width of a rectangle are in a ratio of 7:4. To find the length and width, we need to use the given information that the perimeter is 88 yards.
Let's assume that the length of the rectangle is 7x and the width is 4x, where x is a common multiplier.
The formula for the perimeter of a rectangle is 2(length + width).
Substituting the values, we have:
2(7x + 4x) = 88
Combining like terms, we get:
2(11x) = 88
Simplifying further:
22x = 88
Dividing both sides by 22, we find:
x = 4
Now we can substitute the value of x back into our original assumption to find the length and width:
Length = 7x = 7 * 4 = 28 yards
Width = 4x = 4 * 4 = 16 yards
Therefore, the length of the rectangle is 28 yards and the width is 16 yards.
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The ratio of the radius or diameter or circumference of a circle to its diameter or radius or circumference is approximately 3.14.
Answer:
the question is?
Step-by-step explanation:
Show the first three pseudorandom numbers generated by the relation: Rn+1 = (5Rn + 2) mod 9 where the seed Ro= 3 a) R1= b) R2= c) R3 =
The first three pseudorandom numbers generated by the given relation are: a) R1 = 1, b) R2 = 7, c) R3 = 1.
Explanation: We start with the seed value R0 = 3. Using the given relation Rn+1 = (5Rn + 2) mod 9, we can calculate the subsequent values of Rn.
a) To find R1:
R1 = (5R0 + 2) mod 9 = (5 * 3 + 2) mod 9 = 15 mod 9 = 1
b) To find R2:
R2 = (5R1 + 2) mod 9 = (5 * 1 + 2) mod 9 = 7
c) To find R3:
R3 = (5R2 + 2) mod 9 = (5 * 7 + 2) mod 9 = 37 mod 9 = 1
Therefore, the first three pseudorandom numbers generated are: R1 = 1, R2 = 7, and R3 = 1.
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Multiple choice question math!!
Marco is 1000 m due east of the centre of the park. His friend Ray is 1000 m due south of the centre of the park. Which is the correct expression for the exact distance between the two boys?
A. 500√ 2 m
B. 1000/√ 2 m
C. 500/√2 m
D. 1000√2 m
The correct expression for the exact distance between the two boys: 1000√2 m
The correct answer is an option (D)
Consider following diagram.
In right triangle ABC, AB represents the distance covered by the Marco and AC represents the distance covered by the Ray.
AB = 1000 m
AC = 1000 m
We need to find the correct expression for the exact distance between the two boys.
i.e., we need to find the length of hypotenuse BC.
Using Pythagoras theorem for right triangle ABC,
BC² = AB² + AC²
BC² = 1000² + 1000²
BC² = 1000000 + 1000000
BC² = 2 × 1000000
BC = \(\sqrt{2\times 1000000}\)
BC = 1000√2 m
Therefore, the distance between the boys = 1000√2
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Avery invested $4,700 in an account paying an interest rate of 5 1/8% compounded
continuously. Jayden invested $4,700 in an account paying an interest rate of 5 1/2%
compounded quarterly. After 12 years, how much more money would Jayden have in
his account than Avery, to the nearest dollar?
Answer:
20090089$
Step-by-step explanation:
Answer: $359
Step-by-step explanation:
I got the same problem on DeltaMath- You use the formula A = P ( 1 + r/n ) ^nt
P = 4700
R = 0.055
T = 12
N = 4
You plug it in to get 9052.7283 and then subtract 8693.386 to get 359.3423 which rounds to 359
The graph of the function y = 2x^2 + bx + 8 is shown.
What is the value of b?
The value of b is 4 and the function becomes y = 2x²-12x+8 because (2, -8) lie on the function.
What is a parabola?It is defined as the graph of a quadratic function that has something bowl-shaped.
We have:
\(\rm y = 2x^2+bx+8\)
The above function shows the equation of the parabola.
From the graph, we can see the point(2, -8) lie on the graph of the function,
So point(2, -8) will satisfy the function.
Plug y = -8 and x = 2 in the function.
\(\rm -8 = 2(2)^2+b(2)+8\\\\-16 = 8+2b\\-24 = 2b \\b = -12\)
Thus, the value of b is 4 and the function becomes y = 2x²-12x+8 because (2, -8) lie on the function.
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Can someone help me with this. Will mark brainliest.
diagonals of a parallelogram bisects each other making an angle of 90°.
so, your answer is True
Answer:
A. True
Step-by-step explanation:
The diagonals of a parallelogram do always bisect each other. However, they only form right angles if the parallelogram is a rhombus or a square.
simplify 5(a+7)+2(a+4)
Answer:
7a+43
Step-by-step explanation:
a driveway is 40 yards long. About how many meters long is it?
Answer:
36.6 meters
Step-by-step explanation:
1 yard is .9144 meters so 40 yards is 36.576 meters. (i rounded it)
My Ohio Portal at OHC 3.4 oidal ft2 Show My Work (optional) 11.Е.055 The base of a right prism is an equilateral triangle, where x 20 and h = 29, The meas Find the area of one base of the prism. 300cm2 173.2 cm2
The area of the base of the prism would be = 290cm²
How to calculate the base of the given prism?To calculate the base area of the prism, the formula that should be used would be given below as follows:
The area of a triangle = 1/2× base × height.
Where;
Base = 20cm
Height = 29
Area = 1/2 × 20 × 29
Area = 290cm²
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Pleaseeee help !! I made this a 50 point question
The angle "b" and the angle "d" are both the same angle measure. In other words, they are opposite angles that share the black dot in the middle. Angle "a" and angle "c" are both opposite angles which make them the same. They can also be called congruent angles. Even if they are facing a different direction, they are the same.
Therefore, the answer is 130 degrees
Best of Luck!
answer:
130 degrees
explanation:
the angles "a" & "c" are opposite (also called congruent) so they are the same.
a class of 40 students elected a class president there were 12 votes for candidate a and 18 votes for candidate b the remaining students in the class did not vote which expression gives the percent of Voters who voted for candidate a
Answer:
10
Step-by-step explanation:
18 + 12 = 30 so it 40 student so it is 10 .
Answer:
12/12 + 18 = 100
Step-by-step explanation:
Use calculator
Use the picture below to
# 1) Your realized income is $3,543.22/month.
determine your fixed expenses each month. How much could you save per
month if you take 25% of your discretionary monies and put it in a savings
account?
The amount you could save per month would be 25% of your discretionary money.
How much could you save per month if you take 25% of your discretionary money?Discretionary income is the money you have left over after paying taxes and necessary cost-of-living expenses.
The formula for discretionary money is: Discretionary money = Realized income - Fixed expenses. Inputting data, we have: Discretionary money = $3,543.22 - Fixed expenses
Amount to be saved = 25% of discretionary money
Amount to be saved = 0.25 * (Realized income - Fixed expenses)
Therefore, the amount savable is calculated as 0.25 times the difference between your realized income and fixed expenses.
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The following series
is convergent only when
Select one:
True
False
Question 1 Not yet answered The following series * (2n+1)!-(x+2) Σ 2 Marked out of n = 0 25.00 is convergent only when x=2 Flag question Select one: O True O False
It is incorrect to say that the series converges only when x=2 since the value of x has no effect on the convergence of the given series. So, False.
The statement "The following series * \((2n+1)!-(x+2) Σ 2\)
Marked out of n = 0 25.00 is convergent only when x=2" is false.
What is a series?A series is an addition of infinite numbers. If the addition of an infinite number of terms is performed, then it is referred to as an infinite series. A series is said to be convergent if it sums up to a finite number. If the addition of an infinite number of terms is performed, and it sums up to infinity or negative infinity, it is referred to as a divergent series. The convergence or divergence of the series may be determined using various techniques.
What is a convergent series?
A convergent series is one in which the sum of an infinite number of terms is a finite number. In other words, if the sequence of partial sums converges to a finite number, the infinite series is said to be convergent. If a series is convergent, it implies that the sum of an infinite number of terms is a finite number. Conversely, if a series is divergent, it implies that the sum of an infinite number of terms is infinite or negative infinite.
The given series * \((2n+1)!-(x+2) Σ 2\)Marked out of n = 0 25.00 is convergent only when x=2 is a false statement. The reason why this statement is false is that it has a typo.
The given series * \((2n+1)!-(x+2) Σ 2\) Marked out of n = 0 25.00 is a constant series, as it is independent of n. The sum of the series is 50.
Therefore, it is incorrect to say that the series converges only when x=2 since the value of x has no effect on the convergence of the given series.
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For which equation is b = 3 the solution?
b + 6 = 10
b + 8 = 11
5 - b = 8
b - 6 = 9
Answer: B 2 (ノ◕ヮ◕)ノ*.✧ (+_+)
Step-by-step explanation:
How do you sum a column in Excel on a Mac?
To see the steps of sum a column in Excel on a Mac.
Now, According to the question:
1. Click the first empty cell below a column of numbers.
2. Do one of the following: Excel 2016 for Mac: : On the Home tab, click AutoSum. Excel for Mac 2011: On the Standard toolbar, click AutoSum. ...
3. Press RETURN .
How do you sum cells on a Mac?
Once the cells are selected, press the Command key and the = (equal sign) key at the same time. This will automatically sum the selected cells. If you want to sum a specific range of cells, you can do so by selecting the first cell in the range, pressing the Shift key, and then selecting the last cell in the range.
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Frank is wanting to create a scale model of the Eiffel Tower. The real Eiffel Tower is 984 feet tall and 328 feet wide at its base. If Frank's model is 18 inches tall, how wide (in inches) must his scale model be?
Answer:
1 inch = 54.7
A cab company charges a $6.00 fee to pick up a fare plus $0.20 per mile. If you pay the cab driver $9.40, how many miles did you go?
Answer is 6.00+0.20-9.40
3.2
or
6.00-0.20-9.40
3.2
Answer:3.2
Step-by-step explanation:
Which one of the following statements is false?
O lf q p is true, then p is a necessary and sufficient condition in order that q holds.
O If p is Ifpq is true, then P is a sufficient condition in order that q holds.
O lf p q is true, then p true, then q is a necessary condition in order thatp holds.
O is a necessary condition in order that g holds.
The statement that is false is: " lf p q is true, then p is a necessary condition in order that q holds."
In a logical statement "p implies q" (p->q), if p is true, then q must be true as well. However, this doesn't mean that p is necessary for q to hold. A necessary condition means that p is required for q to be true, but it's not sufficient, it may be other conditions that are also needed. In this statement, p is a sufficient condition for q to hold, but it's not necessary. This statement is a logical converse of the second statement "If p q is true, then p is a sufficient condition in order that q holds."
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If you order 3 pizzas, you will get 18 slices of pizza. How many slices are there in one pizza?
Answer:
There are 6 slices on each pizza
Step-by-step explanation:
Because 18 divided by 3 is 6
Look at this square. Find the value of
S.
S
Perimeter = 16 miles
S =
miles
The value of S, which represents the length of each side of the square, is 4 miles.
To find the value of S, we need to determine the length of each side of the square. Given that the perimeter of the square is 16 miles, we can use the formula for the perimeter of a square, which is 4 times the length of a side.
Perimeter = 4 × S
Given that the perimeter is 16 miles, we can substitute this value into the equation:
16 = 4 × S
To solve for S, we divide both sides of the equation by 4:
16 ÷ 4 = S
4 = S
Therefore, S, which stands for the square's side lengths, has a value of 4 miles.
So, S = 4 miles.
This means that each side of the square measures 4 miles, and the square has equal sides and right angles at each corner.
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When Gail goes on a hike, she always packs a ratio of 20 protein bars to 15 water bottles in her backpack.
Complete the statement about the ratio of protein bars to water bottles.
CLEARCHECK
For a short hike, Gail should pack
protein bars if she packs 3 water bottles.
Let X be a random variable with p.d.f. ce-6x for x >= 0(a) Determine c.
(b) What is the mean, variance, and squared coefficient of variation of Y where the squared coefficient of variation of X is defined to Var[X]/(E[X])?
(c) Compute Pr\{X > 5\}
(d) Compute Pr {X >5 | Y> 2}.
(e) What is the point a such that Pr{X > x*} = 3/4?
In the given problem, we are provided with a p.d.f. for the random variable X as ce^(-6x) for x >= 0. Let's use this information to solve the questions:
(a) We know that the total area under the p.d.f. must be equal to 1. Therefore, we can set up the following integral and solve for c:
int0 to infinity = 1
=> c * int0 to infinity = 1
=> c * [(-1/6)*e^(-6x)] from 0 to infinity = 1
=> c * (0 - (-1/6)) = 1
=> c = 6
(b) To find the mean of Y, we first need to find the transformation function that relates X and Y. We know that Y = X^2, so we can use the transformation formula E(Y) = E(g(X)) = int(-infinity to infinity) (g(x) * f_X(x)dx) to find E(Y).
E(Y) = int(0 to infinity) (x^2 * 6e^(-6x)dx)
Using integration by parts, we can solve this integral to get E(Y) = 1/3.
To find the variance of Y, we use the formula Var(Y) = E(Y^2) - (E(Y))^2. We can use the formula for E(Y) that we just found, and also find E(Y^2) as:
E(Y^2) = int(0 to infinity) (x^4 * 6e^(-6x)dx)
Using integration by parts again, we get E(Y^2) = 1/9. Therefore, Var(Y) = 1/9 - (1/3)^2 = 2/27.
The squared coefficient of variation of X is defined as Var[X]/(E[X])^2. Using the mean and variance of X that we found in part (a), we get (Var[X]/(E[X])^2) = (1/36)/(1/36) = 1. Therefore, the squared coefficient of variation of Y is also 1.
(c) To compute Pr{X > 5}, we can use the p.d.f. that we were given. Since the p.d.f. is zero for x < 0, we only need to compute the integral from 5 to infinity:
Pr{X > 5} = int(5 to infinity) (6e^(-6x)dx)
= e^(-30)
(d) To compute Pr {X >5 | Y> 2}, we can use the formula for conditional probability:
Pr {X >5 | Y> 2} = Pr{X > 5 and Y > 2}/Pr{Y > 2}
Since Y > 2 implies X > sqrt(2), we can write the numerator as:
Pr{X > sqrt(2)} = int(sqrt(2) to infinity) (6e^(-6x)dx)
= e^(-3*sqrt(2))
To find the denominator, we can use the formula for the cumulative distribution function (c.d.f.) of Y:
F_Y(y) = Pr{Y <= y} = Pr{X^2 <= y} = Pr{-sqrt(y) <= X <= sqrt
A random variable is a numerical quantity that can take on different values based on the outcome of a random event. In this context, a probability density function (p.d.f.) describes the probability of observing different values of a random variable.
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Help deadline is soon I'm doing another packet rn tho.
Answer:
Step-by-step explanation:
12. 40h + 100 = 300
40h = 200
h = 5 hours
answer is A
13. 4p - 4 = 48
4p = 52
p = $13
answer is C
14. e + 3e = 24
4e = 24
e = 6
16. 3p + $4.29 = $8.94
3p = $4.65
p = $1.55
answer is B
17. 2x + 2x + x - 6 = 74
5x - 6 = 74
5x = 80
x = 16
2(16) = spearmint gum
answer is D
15. x + 2x + 10 = 76
3x + 10 = 76
3x = 66
x = 22 years old
2(22)= 44 years old
18. 2x + 26 = 54
2x = 28
x = 14
answer is B
Complete the statements about simplifying this expression: (xy^3/yz^2)(z^3/y^2x^2)
Hence, the variable y can be entirely eliminated using by applying the identity property of elimination
the numerator of the rational expression in the simplest form is z
the denominator of the rational expression in the simplest form is x
What is an expression?expression is a combination of numbers, variables, and functions (such as addition, subtraction, multiplication or division etc.). This math operation can be addition, subtraction, multiplication, or division. The structure of an expression is: Expression is (Number/Variable, Math Operator, Number/Variable)
How to solve?we have,
\((\frac{xy^3}{yz^2} )(\frac{z^3}{y^2x^2} )\)
on simplifying,
we get. \(\frac{z}{x}\)
Hence, the variable y can be entirely eliminated using by applying the identity property of elimination
the numerator of the rational expression in the simplest form is z
the denominator of the rational expression in the simplest form is x
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100% =3200
70% = ????
Answer:
2240
Step-by-step explanation:
plz fo"ow ms
mark me as brainlist
Suppose logk p = 5, logk q = -2.
Find the following.
log (p³q²) k
(express your answer in terms of p and/or q)
Suppose log = 9. Find r in terms of p and/or q.
To find log (p³q²) base k and r in terms of p and/or q, we can use the properties of logarithms. The first step is to apply the power rule and rewrite the expression as log (p³) + log (q²) base k.
Using the power rule of logarithms, we can rewrite log (p³q²) base k as 3log p base k + 2log q base k. Since we are given logk p = 5 and logk q = -2, we substitute these values into the expression:
log (p³q²) base k = 3log p base k + 2log q base k
= 3(5) + 2(-2)
= 15 - 4
= 11.
Therefore, log (p³q²) base k is equal to 11.
Moving on to the second part, when logr = 9, we can rewrite this logarithmic equation in exponential form as r^9 = 10. Taking the ninth root of both sides gives r = √(10). Thus, r is equal to the square root of 10.
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