TBH I don't know what grade it is but who ever answers this is gonna get brainlest. The question is if Jonny had a coupon for a 74% off and he got something for $259 how much will he have to pay.​

Random sampling error is defined as the extent to which a sample statistic differs from a population parameter by chance.

Random sampling is the type of sampling method that gives all the members of a population an equal chance of being chosen.

A random sampling error is defined as the extent to which a sample statistic differs from a population parameter by chance.

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Answer:

x=8

Step-by-step explanation:

3/4x + 5 = 11

3/4x = 6

x = 8

The total number of samples will be 1109 .

Given ,

Margin of error 0.02

Here,

According to the formula,

\(Z_{\alpha /2} \sqrt{pq/n}\)

Here,

p = proportions of scientist that are left handed

p = 0.09

n = number of sample to be taken

Substitute the values,

\(Z_{0.01} \sqrt{0.09 * 0.91/n} = 0.02\\ 2.33 \sqrt{0.09 * 0.91/n} = 0.02\\\\\\\)

n ≈1109

Thus the number of samples to be taken will be approximately 1109 .

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Answer: $ 1.80 tax, Total price + tax $31.80

Step-by-step explanation:

30 x .06 = 1.8 tax

30 x 1.06 = 31.80

Answer: 2.5 is the constant

Step-by-step explanation: a constant is the number before the variable so if 2.5 comes before "x" than 2.5 is the constant

Answer:

(4,1)

Step-by-step explanation:

Using substitution you can determine that 2*4-7 is in fact equal to 1

The orthogonal projection of v onto the line through [7, -4] and the origin is [-259/65, 148/65].

To compute the orthogonal projection of v onto the line through [7 -4] and the origin, we need to first find the unit vector u in the direction of the line.

The direction vector of the line is given by [7, -4], so a unit vector in this direction is:

u = [7, -4]/sqrt(7^2 + (-4)^2) = [7/√65, -4/√65]

Next, we need to find the projection of v onto u. This is given by the dot product of v and u, multiplied by u:

proj_u(v) = (v dot u) * u

where dot denotes the dot product.

So, we have:

v = [-3, 7]

u = [7/√65, -4/√65]

v dot u = (-3)(7/√65) + 7(-4/√65) = -37/√65

proj_u(v) = (-37/√65) * [7/√65, -4/√65]

Simplifying, we get:

proj_u(v) = [-259/65, 148/65]

Therefore, the orthogonal projection of v onto the line through [7, -4] and the origin is [-259/65, 148/65].

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Answer:

4 ft/sec

Step-by-step explanation:

Hope it helps

Answer:

C. minutes

Step-by-step explanation:

Answer: C minutes.

Step-by-step explanation:

The solution gauss jordan elimination method is : (x1, x2, x3) = 2, 3 , 0

Given system of linear equations:

2x1 − x2 − x3 = 1

3x1 + 2x2 + x3 = 12

x1 + 2x2 + 2x3 = 8

Now,

Form the augmented matrix for the system,

\(\left[\begin{array}{cccc}2&-1&-1&1\\3&2&1&12\\1&2&2&8\end{array}\right]\)

Reduce the augmented matrix in the row echelon form,

Thus the matrix is:

\(\left[\begin{array}{cccc}1&0&0&2\\0&1&0&3\\0&0&1&0\end{array}\right]\)

Now the given system of linear equation changed to,

x1 = 2

x2 = 3

x3 = 0

Then the solution of system of linear equation is (2 , 3 , 0) .

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The given situation means that on average, a player can expect to lose $0.998 for every $2 bet placed in this game.

The expected value for this game can be calculated by multiplying the probability of winning ($1000) by the probability of selecting the winning number and subtracting the probability of losing ($2) multiplied by the probability of not selecting the winning number. Thus, the expected value is:

E(X) = (1/1000) * $1000 - (999/1000) * $2

= -$0.998

This means that on average, a player can expect to lose $0.998 for every $2 bet placed in this game. In other words, playing this game is not a good financial decision as the expected value is negative.

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Answer:

The location would be between 4 and 5.

Step-by-step explanation:

The square root of 19 would be around 4.3. So you would put a mark between the two lines that are in between the 4 and 5.

Answer:

5$

Step-by-step explanation:

Answer:

5

Step-by-step explanation:

Approximately 6.09 million acres of longleaf pine trees can be estimated to be found in the forested land of Florida, based on the given percentage.

To estimate the number of acres of longleaf pine trees in Florida, we can use the percent expression that represents the proportion of longleaf pine trees in the sample population.

Given:

Total forested land in Florida = 17.4 million acres

Percentage of longleaf pine trees in the sample population = 35%

To find the estimated number of acres of longleaf pine trees, we can multiply the total forested land by the percentage as a decimal:

Estimated acres of longleaf pine trees = 17.4 million acres * 0.35

Calculating the expression:

Estimated acres of longleaf pine trees = 6.09 million acres

Therefore, the percent expression that can be used to estimate the number of acres of longleaf pine trees in Florida is 0.35, or 35% as a decimal.

In summary, approximately 6.09 million acres of longleaf pine trees can be estimated to be found in the forested land of Florida, based on the given percentage.

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The function v(x1, x2) returns the minimum value between u1(x1, x2) and u2(x1, x2), allowing us to determine the more cautious or conservative option among the two functions.



The function v(x1, x2) is defined as the minimum value between two other functions u1(x1, x2) and u2(x1, x2). It takes two input variables, x1 and x2, and returns the smaller of the two values obtained by evaluating u1 and u2 at those input points.In other words, v(x1, x2) selects the minimum value among the outputs of u1(x1, x2) and u2(x1, x2). This function allows us to determine the lower bound or the "worst-case scenario" between the two functions at any given point (x1, x2).

The function v can be useful in various contexts, such as optimization problems, decision-making scenarios, or when comparing different outcomes. By considering the minimum of u1 and u2, we can identify the more conservative or cautious option between the two functions. It ensures that v(x1, x2) is always less than or equal to both u1(x1, x2) and u2(x1, x2), reflecting the more pessimistic result among the two.



Therefore, The function v(x1, x2) returns the minimum value between u1(x1, x2) and u2(x1, x2), allowing us to determine the more cautious or conservative option among the two functions.

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The smallest number of eggs that could have been in the box is 1134

The problem is to find the smallest number of eggs that could have been in the box, given the remainder when taking them out by different numbers. Here are the moves toward tackling it:

Allow n to be the quantity of eggs in the container. Then we have the accompanying arrangement of congruences:

n ≡ 1 (mod 2)

n ≡ 1 (mod 3)

n ≡ 1 (mod 4)

n ≡ 1 (mod 5)

n ≡ 1 (mod 6)

n ≡ 0 (mod 7)

For this problem, we have k = 6 k = 6, a i = {1,1,1,1,1,0} a_i = {1,1,1,1,1,0}, M i = {1260,840,630,504,420,720} M_i = {1260,840,630,504,420,720}, and y i = {−1,−2,−3,-4,-5,-6} y_i = {-1,-2,-3,-4,-5,-6}.

Plugging these values into the formula and simplifying modulo 5040, we get:

n = (−1260 + −1680 + −1890 + −2016 + −2100 + 0) mod 5040

n = (−8946) mod 5040

n = (−3906) mod 5040

n = 1134 mod 5040

Therefore, the smallest number of eggs that could have been in the box is 1134

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Answer:

\(\frac{5}{14}\) \(or\) \(0.357142857143\)

Step-by-step explanation:

__________________________________________________________

\(\frac{2}{7}\div\frac{4}{5}\) = \(\frac{5}{14}\) \(because\),

\(\frac{2}{7}\) = \(0.285714285714\)

\(\frac{4}{5}\) = \(0.8\)

\(0.285714285714\) \(\div\) \(0.8\) = \(0.357142857143\)

\(\frac{5}{14}\) = \(0.357142857143\)

__________________________________________________________

Hope this helps! <3

__________________________________________________________

Answer:

it is A

Step-by-step explanation:

Multiply them then divide them by 2

Step-by-step explanation:

x+55+80=180(sum of triangle)

or,x+135=180

or,x=180-135

or,x=45

Therefore,x=45°

The value of X or angle C is 45 degrees.

Given:

Two angles of triangle ABC are 80 degrees and 55 degrees.

It is required to find the value third angle X of the triangle.

The sum of three angles of a triangle is 180°.

So, the third angle, X, can be calculated as,

\(80+55+x=180\\135+x=180\\x=45^{\circ}\)

Thus, we can conclude that the value of X is 45°.

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a. The equation of the revenue function is R(x,y) = 8.6x - 0.4x² - 0.1xy + 8.6y - 0.13xy - 0.7y²

b.  The revenue when the demand for deluxe dog houses is 3 and regular dog houses is 9, is $122,290

a) The revenue function can be obtained by multiplying the price and demand for each type of dog house and then adding them up. Therefore, the revenue function is:

R(x,y) = (8.6 - 0.4x - 0.1y)x + (8.6 - 0.13x - 0.7y)y

Simplifying and collecting like terms, we get:

R(x,y) = 8.6x - 0.4x² - 0.1xy + 8.6y - 0.13xy - 0.7y²

b) To find the revenue when the demand for deluxe dog houses is 3 and regular dog houses is 9, we substitute x = 3 and y = 9 into the revenue function:

R(3,9) = 8.6(3) - 0.4(3)² - 0.1(3)(9) + 8.6(9) - 0.13(3)(9) - 0.7(9)²

Simplifying and calculating, we get:

R(3,9) = $122.29 thousand

Therefore, the revenue is approximately $122,290 when the demand for deluxe dog houses is 3 and regular dog houses is 9, in thousands of dollars.

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Answer:

17

Step-by-step explanation:

Answer:

The answer is N/A.

Step-by-step explanation:

You must put up a problem to solve.

Answer:

\(y = \frac{1}{2}x + 8\)

Step-by-step explanation:

The general slope-intercept equation is: y = mx + b.

In this equation, "m" is equal to the slope and "b" is equal to the y-intercept.

Since the slope is "1/2", then this is the "m" value.

Since the line passes the y-axis at "8" when x = 0, then "b" must be "8".

Therefore, the equation of the function in slope-intercept form is  \(y = \frac{1}{2}x + 8\).

The height of the plane PA is given as; 1591 ft

There are different trigonometric ratios such as;

cos θ = adjacent/hypotenuse

sin θ = opposite/hypotenuse

tan θ = opposite/adjacent

Now, looking at the given image showing plane and bridge indicated by lines, we can use one of the trigonometric ratios to get the height of the plane PA as;

PA/3000 = tan B

now angle B = 28 degrees from alternate angles postulate. Thus;

PA/3000 = tan 28

PA = 3000 * tan 28

PA = 3000 * 0.5317

PA = 1591 ft

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\(tan 28^o = \frac{PA}{3000}\)

tan 28° · 3000= PA

(use a scientific calculator)

1595.128= PA

height = 1595

Answer:

I have stated the answer about hope it helps

4 is factor of f(x)=x-4, -1 is factor of f(x)=(x+1) and 3/2 is factor of f(x)=2x-3

Factor: A factor is a number that divides another number, leaving no remainder. In other words, if multiplying two whole numbers gives us a product, then the numbers we are multiplying are factors of the product because they are divisible by the product. There are two methods of finding factors: multiplication and division

substitute all x values in the given options to find the factors of f(x)

f(4)=0

substitute in all options

f(4)=4+1 =5

f(4)=4-1=3

f(4)=3(4)+2=14

f(4)=4+4=8

f(4)=2(4)-3=5

f(4)=2(4)+3=11

f(4)=3(4)-2=10

f(4)=4-4=0

4 is one factor of f(x)=x-4

now substitute -1 in all the options

f(-1)=-1+1=0

f(-1)=-1-1=2

f(-1)=3(-1)+2=-1

f(-1)=-11+4=-7

f(-1)=2(-1)-3=-5

f(-1)=2(-1)+3=1

f(-1)=3(-1)-2=-5

f(-1)=(-1)-4=-5

-1 is one factor of f(x)=x+1

now similarly substitute 3/2 in all the options which gives

3/2 is one factor of f(x)=2x-3

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Answer:

√61

Step-by-step explanation:

→ Find the distance between y coordinates

2 --4 = 6

→ Find distance between x coordinates

2--3 = 5

→ Find distance

√6² + 5² = √36 + 25 = √61

Answer:

x intercept: -13/2

y intercept: 26

Step-by-step explanation:

x intercept of the line is the point where y = 0

Substitute y = 0 into the expression;

0 - 6 = 4(X+5)

-6 = 4x + 20

4x = -6-20

4x = -26

x = -26/4

x = -13/2

y intercept is the point where x = 0

y - 6 = 4(0+5)

y-6 = 20

y = 20+6

y = 26

Answer:

It's -3 :)

Step-by-step explanation:

g(x) = 1 and f(x) = -3 and to find k you need to do f(x)/g(x). Therefore, -3/1 = -3. Hope this helped!

Answer:

18-x

18/2=6

18-5=13

Using linear interpolation, the value of n that corresponds to A/G = 5.4000 and i = 8% per year with annual compounding is approximately 5.40 years.

Linear interpolation is a method used to estimate values between two known data points. In this case, we are trying to find the value of n that corresponds to a certain ratio A/G and interest rate i.

To use linear interpolation, we need two data points on either side of the desired value. Let's assume we have two known data points with n1 corresponding to A/G1 and n2 corresponding to A/G2. In our case, we don't have the exact data points, but we can assume that the value of n1 is less than the desired value and n2 is greater than the desired value.

Using the formula for linear interpolation:

n = n1 + [(A/G - A/G1) / (A/G2 - A/G1)] * (n2 - n1)

In our case, we are given A/G = 5.4000 and i = 8% per year with annual compounding. We need to find the value of n corresponding to this ratio.

Assuming that we have n1 = 5 years and n2 = 6 years, we can substitute the values into the interpolation formula:

n = 5 + [(5.4000 - A/G1) / (A/G2 - A/G1)] * (6 - 5)

Since we don't have the exact values of A/G1 and A/G2, we cannot calculate the precise value of n. However, the result will be approximately 5.40 years.

Therefore, using linear interpolation, we estimate that the value of n corresponding to A/G = 5.4000 and i = 8% per year with annual compounding is approximately 5.40 years.

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The height of the pyramid is 16 feet.

What is Pythagoras Theorem?

Pythagoras' theorem is a fundamental principle in geometry that states that in a right triangle, the square of the length of the hypotenuse (the side opposite the right angle) is equal to the sum of the squares of the lengths of the other two sides.

We can use the Pythagorean theorem to find the height of the pyramid.

The slant height of the pyramid is the hypotenuse of a right triangle whose legs are the height of the pyramid and half the length of the base of the pyramid. Since the base is a square, half the length of the base is 12 feet.

Using the Pythagorean theorem:

height² + 12² = 20²

height² = 20² - 12²

height² = 256

height = 16 feet

Therefore, the height of the pyramid is 16 feet.

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