i need help with question 23 please i need it quick

The number of friends sharing the bagel will be n.

Algebra is the study of abstract symbols, while logic is the manipulation of all those ideas.

The acronym PEMDAS stands for Parenthesis, Exponent, Multiplication, Division, Addition, and Subtraction. This approach is used to answer the problem correctly and completely.

A bagel is cut into same-size pieces. Some friends share the bagel. Each friend gets one piece.

Let the same size pieces of the bagel be 1/n. Then the number of friends who share the bagel is given as,

⇒ 1 / (1/n)

⇒ 1 x n / 1

⇒ n

The number of friends sharing the bagel will be n.

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2 cups of 10% sugar solution and 6 cups of 30% sugar solution.

A numerical expression is a mathematical statement written in the form of numbers and unknown variables. We can form numerical expressions from statements

Let,

x = number of cups of the 10% solution

y = number of cups of the 30% solution

As this is the whole amount we need, the two mixtures sum up to 8 cups. Consequently, the first equation is just x + y = 8

Solve for y to get y = 8-x. We'll use this equation later.

The second equation is a bit more tricky.

0.10x = amount of pure sugar from just the 10% batch

0.30y = amount of pure sugar from just the 30% batch

0.10x+0.30y = total amount of pure sugar from both batches

25% of 8 = 0.25×8 = 2 = total amount of pure sugar required

0.10x+0.30y = 2 is the second equation

Apply substitution to solve for x and y

0.10x+0.30y = 2 ..... start with the second equation

0.10x+0.30(8-x) = 2 ....... plugin y = 8 - x

0.10x + 2.4 - 0.30x = 2 ..... distribute

- 0.20x + 2.4 = 2 - 0.20x = 2-2.4 ....... subtract 2.4 from both sides

-0.20x = - 0.4

x = -0.4/(-0.20)

x = 2

Now that we know the value of x, we can find y.

y = 8 - x

y = 8 - 2 ... plug in x = 2

y = 6

So we need 2 cups of the 10% solution and 6 cups of the 30% solution.

As a check,

x + y = 2 + 6 = 8 works out

0.10x + 0.30y = 0.102 + 0.306 = 0.2 + 1.8 = 2 works out as well

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Answer: 2621.92

Step-by-step explanation:

The addition of the numbers 2610 and 11.7 and 0.22 is 2621.92.

Hence the correct option is given by (D).

Addition is a mathematical operation to sum up between two or more than two mathematical quantities or numbers specially.

Here given the numbers are 2610 and 11.7 and 0.22.

So the addition of the numbers 11.7 and 0.22 is given by,

= 11.7 + 0.22

= 11.92

So the sum of 2610, 11.7 and 0.22 is given by,

= 2610 + 11.7 + 0.22

= 2610 + 11.92

= 2621.92

Hence the correct option is given by (D).

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Jasmine (j) and Samir (s) will attend the event, while Kanti (k) will not. This can be expressed using the logical connective (∧) and its negation (¬).

j ∧ s ∧ ¬k

j - Jasmine attends

s - Samir attends

¬k - Kanti does not attend

∧ - Logical And operator

j ∧ s ∧ ¬k -

Jasmine (j) and Samir (s) will attend the event, while Kanti (k) will not. This can be expressed using the logical connective (∧) and its negation (¬). The resulting statement is j ∧ s ∧ ¬k. This statement means that Jasmine and Samir will attend the event, but Kanti will not. This statement can be read as "Jasmine and Samir attend and Kanti does not attend".The resulting statement is j ∧ s ∧ ¬k. This statement means that Jasmine and Samir will attend the event, but Kanti will not. This statement can be read as "Jasmine and Samir attend and Kanti does not attend".

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The complete expression is 8/6 < 9/6

From the question, we have the following parameters that can be used in our computation:

_ / 6 < 9/6

Express properly

So, we have the following representation

_ / 6 < 9/6

Represent the blank with x

x / 6 < 9/6

Multiply both sides of the expression by 6

So, we have the following representation

x < 9

This means that x is any value less than 9

An instance is 8

Hence, the solution to the expression is 8/6 < 9/6

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The horizontal distance rounded to the nearest hundredth will ve 139.5 feet. Then the correct option is A.

Let the equation be ax² + bx + c = 0. Then the roots of the equation will be given as,

[tex]\rm x = \dfrac{-b \pm \sqrt{b^2 - 4 a c }}{2a}[/tex]

Paulo hit a baseball. The path of the ball was h = - 0.01d² + 1.37d + 3.5.

Then the horizontal distance is given as,

h = 0

- 0.01d² + 1.37d + 3.5 = 0

0.01d² - 1.37d - 3.5 = 0

Solve the equation by formula, then we have

d = [-(-1.37) ± √{(-1.37)² - 4 × 0.01 × (-3.5)}] / (2 × 0.01)

d = (1.37 ± 1.42) / 0.02

For the plus sign, then we have

d = 2.79 / 0.02

d = 139.5 feet

The horizontal distance rounded to the nearest hundredth will ve 139.5 feet. Then the correct option is A.

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In the isosceles triangle, the value of x for the first figure is 15

for the second figure,

The value of x is solved using the knowledge of isosceles triangle

An isosceles triangle has the base angles equal hence

2x - 5 = 35

2x = 35 - 5

2x = 30

x = 15

Second figure

7x = 35

x = 5

let the angle at the peak be p

35 + 35 + p = 180 (sum of angles in a triangle)

70 + p = 180

p = 180 - 70

p = 110

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Let X be the amount Mr Saver invests at t = 0.

The interest he earns during t = 0 to t = 1 can be expressed as:

Interest = X * R * (1/4)

The interest he earns during t = 0.5 to t = 1.5 can be expressed as:

Interest = X * R * (3/4)

Since the interest he earns during t = 0.5 to t = 1.5 is 1.0816 times the interest he earns during t = 0 to t = 1, we can set up the following equation:

X * R * (3/4) = 1.0816 * (X * R * (1/4))

Solving for R, we get:

R = 4.3264 Therefore, the exact value of R

The multiplication equation represented by the diagram is:

3*2 = 6

On the model we can see a diagram, in that diagram there are:

2 red rectangles.

3 purple rectangles

6 blue rectangles.

We can assume that we are taking the product between the red ones and the purple ones, then we can write:

3*2 = 6

That is a true equation, so that is the multiplication equation represented by the model.

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w, r, the coefficient of w, the constant term in the equation, the intercept parameter, equal to the slope parameter in units are ans of fill in the blank respectively.

A simple linear regression equation is used to model the relationship between two variables, where one variable is the independent or explanatory variable and the other is the dependent or response variable. The equation has the form:

y = β0 + β1x,

where y is the dependent variable, x is the explanatory variable, β0 is the intercept parameter, and β1 is the slope parameter. The intercept parameter represents the value of y when x is zero, and the slope parameter represents the change in y for each one-unit change in x. In this problem, the explanatory variable is w, and the dependent variable is r. The slope and intercept parameters need to be estimated from the data to obtain the regression equation. The equation can be used to make predictions about the response variable given a certain value of the explanatory variable.

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Option b is the correct answer. It varies from one climograph to another; there is no standard length of time.

A climograph is a graphical representation of climate data that shows the average temperature and precipitation patterns over a certain period of time. The length of time represented on a climograph can vary and there is no set standard. It could be a few months, a year, several years, or even decades. It depends on the specific data and purpose of the climograph. Some climographs may show data from the last 30 years, while others might show data from the last 300 years. The important thing to remember is that the length of time represented on a climograph will vary and there is no set rule for how long it should be.

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The complete question is:

data from what length of time are represented on a climograph? view available hint(s)for part b data from what length of time are represented on a climograph?

a. 30 years 300 years

b. it varies from one climograph to another

c. there is no standard length of time.

d. 30 days 30 months submit

90% of all random samples of 50 students obtained at this high school would result in a 90% confidence interval that contains the true mean amount of money students spend on lunch. Hence, the correct statement is option (d).

A confidence interval is a range of values that are expected to contain the true population parameter with a certain degree of confidence, usually expressed as a percentage. Here, a 90% confidence interval means that if we were to repeatedly take random samples of 50 students and compute a 90% confidence interval for each sample, we would expect that 90% of these intervals would contain the true mean amount of money that all students spend on lunch at this high school.

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The complete question is -

Based on a random sample of 50 students, the 90 percent confidence interval for the mean amount of money students spend on lunch at a certain high school is found to be ($3.45, $4.15). Which of the following statements is true?

(a) 90% of the time, the mean amount of money that all students spend on lunch at this high school will be between $3.45 and $4.15.

(b) 90% of all students spend between $3.45 and $4.15 on lunch at this high school.

(c) 90% of all random samples of 50 students obtained at this high school would result in a sample mean amount of money students spend on lunch between $3.45 and $4.15.

(d) 90% of all random samples of 50 students obtained at this high school would result in a 90% confidence interval that contains the true mean amount of money students spend on lunch.

The equation of this circle in standard form is (x + 21)² + (y + 19)² = 849.

The center of the circle is at the point (-21, -19), and its radius is √849 units.

The general form of the equation of a circle that has the same radius as the above circle is x² + y² - 50x - 30y + 1 = 0.

In Mathematics, the standard form of the equation of a circle is represented by this mathematical expression;

(x - h)² + (y - k)² = r²

Where:

In order to transform the general form of the equation of a circle to a standard form, you can either make use of completing the square method or convert the equation x² + y² + Dx + Ey + F = 0 to x² + y² + (-2h)x + (-2k)y + (h² + k² - r²) = 0.

By using the following expression x² + y² + (-2h)x + (-2k)y + (h²+k²-r²) = 0, we would determine the center (h, k) and radius of this circle as follows;

-2h = 42

h = 42/2

h = -21

-2k = 38

k = 38

k = -19

For the radius (r), we have:

-47 = h² + k² - r²

-47 = (-21)² + (-19)² - r²

r² = 849

Radius, r = √849

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The required algebraic form of the given radical form ∛a is [tex]a^{1/3}[/tex].

The algebraic expression consists of constant and variable. eg x, y, z, etc.

Here,
Given expression,

= ∛a

since we know that, [tex]a^{1/n} = \sqrt[n]{a}[/tex]
So ∛a = [tex]a^{1/3}[/tex].

Thus, the required algebraic form of the given radical form ∛a is [tex]a^{1/3}[/tex].

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Answer:

Step-by-step explanation:

Midpoint= x1-2/y1-y2

8/0

Midpoint = 0,0

The order of asymptotic magnitude is (3!)3 < 3n < n log(3n) < n3 < 3n < 3n.

The order of asymptotic magnitude is (3!)3 < 3n < n log(3n) < n3 < 3n < 3n. This means that the function with the smallest asymptotic magnitude is (3!)3, while the function with the largest asymptotic magnitude is 3n.

To confirm this, let's calculate the growth rate of each function. The growth rate of (3!)3 is 3!3 ≈ 216, which is less than the growth rate of 3n (3n) = 3n, which is greater than the growth rate of n log(3n) (n log3n) = n log3n, which is greater than the growth rate of n3 (n3) = n3, which is greater than the growth rate of 3n (3n) = 3n, which is greater than the growth rate of 3n (3n) = 3n.

Therefore, we can conclude that the order of asymptotic magnitude is (3!)3 < 3n < n log(3n) < n3 < 3n < 3n.

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Answer:The order of asymptotic magnitude is (3!)3 < 3n < n log(3n) < n3 < 3n < 3n

Step-by-step explanation:

The range of score Jim must get to have an average score of 94 or more is x≥ 131

inequality, In mathematics is a statement of an order relationship with greater than, greater than or equal to, less than, or less than or equal to between two numbers or algebraic expressions.

Average is the sum of items divided by the number of items.

Represent the theirs score by x

(78+73+x)/3 ≥ 94

151+x ≥ 94×3

151 + x ≥ 282

x ≥ 282-151

x≥ 131

therefore for Jim to get an average greater than 94, his third score must be greater than 131

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The total distance travelled by Mrs. Smith was 60 miles

An equation is an expression that uses mathematical operations to show the relationship between numbers and variables. Types of equations are linear, quadratic, cubic and so on.

Speed is the ratio of the total distance travelled to total time taken. It is given by:

Speed = distance / time

Mrs. Smith drove 20 miles at a speed of 55 mph. She then drove 40 miles at a speed of 60 mph. Hence:

Total distance = 20 miles + 40 miles = 60 miles

The total distance travelled was 60 miles

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The functions for this problem are given as follows:

a) (f + g)(x) = x² - 16x + 43.

b) (f - g)(x) = x² - 8x + 29.

c) (fg)(x) = -4x³ + 71x² - 284x + 301.

d) (f/g)(x) = (x - 6)²/(7 - 4x), x different of 7/4.

The functions in this problem are defined as follows:

Then the addition function, combining the like terms, is given as follows:

(f + g)(x) = x² - 12x + 36 + 7 - 4x = x² - 16x + 43.

The subtraction function, combining the like terms, is given as follows:

(f - g)(x) = x² - 12x + 36 - (7 - 4x) = x² - 12x + 36 - 7 + 4x = x² - 8x + 29.

The product is given as follows:

fg(x) = (x² - 16x + 43)(7 - 4x) = -4x³ + 71x² - 284x + 301.

(multiplying all the terms applying the associative property and then combining the like terms).

The quotient is given as follows:

(f/g)(x) = f(x)/g(x) = (x - 6)²/(7 - 4x), x different of 7/4.

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The value of c does not affect the covariance of Y and Z.

The covariance of Y and Z can be calculated as Cov(Y, Z) = E[YZ] - E[Y]E[Z]. Since X is Bernoulli with parameter p and E[X] = p, we have E[Z] = pE[Y]. Hence,

Cov(Y, Z) = E[YZ] - E[Y]E[Z]

= E[YXY] - pE[Y]^2

= pE[Y^2 X] - pE[Y]^2

= p(E[Y^2]E[X] + Var[Y]p) - pE[Y]^2

= p(1 * p + 1 * p^2) - p^2

= p - p^2

It can be seen that the value of c does not affect the covariance of Y and Z.

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To determine which of the following subsets of P2 are subspaces of P2, you should use the subspace test from the lectures.

For each subset, you need to check if it is closed under vector addition, closed under scalar multiplication, and contains the zero vector. If the subset satisfies all three conditions, then it is a subspace.

For example, the subset S = {2x2+3x+1, x2+3x+2} is a subspace of P2 because it is closed under vector addition (2x2+3x+1 + x2+3x+2 = 3x2+6x+3) and closed under scalar multiplication (2*(2x2+3x+1) = 4x2+6x+2).

Additionally, it contains the zero vector (0x2+0x+0). Therefore, it is a subspace of P2.

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Answer:

[tex]\mbox {\large \boxed{\sqrt[12]{v^{11} }}}\\[/tex]

Step-by-step explanation:

[tex]\textrm{We are asked to simplify\:$\dfrac{\sqrt[4]{v^9}}{\sqrt[3]{v^4}}$}[/tex]

Using the fact that [tex]\sqrt[n]{x} = n^{{1/n}}[/tex]

[tex]\mbox{\large {\sqrt[4]{v^9}} =\left(v^9)^{1/4} = v^{9/4}}\\\\[/tex]

[tex]\mbox{\large {\sqrt[3]{v^4}}} = (v^4)^{1/3} = v^{4/3}}[/tex]

[tex]\mbox{\large $\dfrac{\sqrt[4]{v^9}}{\sqrt[3]{v^4}}$}[/tex] [tex]= \mbox{\large \dfrac{v^{9/4}}{v^{4/3}}}[/tex]

Using the fact that [tex]\dfrac{x^a}{x^b} = x^{a-b}[/tex]

[tex]\mbox{\large \dfrac{v^{9/4}}{v^{4/3}} = v^{9/4 - 4/3}}[/tex]

[tex]\dfrac{9}{4} - \dfrac{4}{3} = \dfrac{9 \cdot 3 - 4 \cdot 4}{12} = \dfrac{27-16}{12} = \dfrac{11}{12}[/tex]

[tex]\mbox{\large \dfrac{v^{9/4}}{v^{4/3}} = v^{9/4 - 4/3}= v^{11/12} } = \sqrt[12]{v^{11} }}[/tex]

Answer
[tex]\mbox {\large \boxed{\sqrt[12]{v^{11} }}}\\[/tex]

The values of the functions are f(0) = 2, f(2) = 0 and f(4) = -2

The graph that completes the question is added as an attachment

From the question, we have the following parameters that can be used in our computation:

The graph

On the graph, we can see that the first curve is a quadratic function,

Also, it has an open circle at x = 1

So, we have:

x² + 2    if x < 1

Next, we have a linear equation with a closed circle at x = 1

So we have:

y = -x + 2 for x ≥ 1

This means that

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Answer:

[tex]y = 4x + 3[/tex]

ㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤㅤ

Answer:

Top one is (SAS) Middle one is (AAS) Bottom one is (AAA)

Step-by-step explanation:

I hope these were helpful.

The product  of two numbers 2.8 × 10³ and 9.7 × 10³ can be represented in scientific notation as, 2.716 x 10⁷

The standard form for a number is a method by which we write number in a format like b×10ˣ. The value of b should be in between 0 to 10.

Given that,

The numbers,

2.8 × 10³

And  9.7 × 10³

the product in scientific notation = ?

the product in scientific notation = 2.8 × 10³ x 9.7 × 10³

It is known that,

if same numbers are in multiplication form,

their powers can be added

the product in scientific notation = 27.16 x 10³⁺³

                                                       = 27.16 x 10⁶

It can be further written as,

multiplied and divide by 10

the product in scientific notation = 27.16 x 10⁶x10/10

                                                       = 2.716 x 10⁷

Hence, the product is 2.716 x 10⁷

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8cos(4x) can be written as an expression involving only sines and cosines to the first power as 8 - 16sin^2(2x)

The expression 8cos(4x) can be written in terms of sines and cosines to the first power using the double angle identity:

cos(2θ) = 1 - 2sin^2(θ)

First, we can rewrite 4x as 2(2x), and then apply the double angle identity:

cos(4x) = cos(2(2x)) = 1 - 2sin^2(2x)

Next, we can use the identity:

cos(θ) = cos(-θ)

to rewrite cos(2x) as cos(-2x):

cos(4x) = 1 - 2sin^2(2x) = 1 - 2sin^2(-2x)

Finally, we can multiply both sides by 8:

8cos(4x) = 8(1 - 2sin^2(-2x)) = 8 - 16sin^2(-2x)

And since sin(-θ) = -sin(θ), we can write this as:

8cos(4x) = 8 - 16sin^2(2x)

So, 8cos(4x) can be written as an expression involving only sines and cosines to the first power as:

8 - 16sin^2(2x)

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The artist invests $4500 in the 5% account and $23000 in the 4% account.

Let's call the amount invested in the 5% account x. Then, the amount invested in the 4% account is 4x + 5000.

The total annual interest income from the investments is 1145, so we can write an equation:

0.05x + 0.04(4x + 5000) = 1145

Expanding the second term:

0.05x + 0.04(4x) + 0.04(5000) = 1145

0.05x + 0.16x + 200 = 1145

0.21x + 200 = 1145

0.21x = 945

x = 4500

So the artist invests $4500 in the 5% account and $18000 + 5000 = $23000 in the 4% account.

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Histogram of given data is attached below.

A histogram is a graphical representation of data points organized into user-specified ranges.

Given,

Data shows the number of times, 12 visitors went down a water slide.

4, 22, 16, 10, 11, 20, 20, 12, 6, 3, 11, 1

Histogram can be drawn as below,

Hence, following is the histogram of given data.

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