a pet shop pays $40 for a dog bed, and then sells it to a customer for $75. what is the percent markup

A statement which must be true about functions P and Q include the following: D. the functions will have different outputs when x=0.

In Mathematics, the y-intercept is sometimes referred to as an initial value or vertical intercept and the y-intercept of any graph such as a linear function, generally occur at the point where the value of "x" is equal to zero (x = 0).

Based on the information provided about function P, we have the following:

y-intercept of function P = (0, 5).

Next, we would determine the value of the y-intercept of function Q;

y = -1/3(x) + 4

y = -1/3(0) + 4

y = 4.

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Complete Question:

What statement must be true about functions P and Q

A. both functions have the same slope

B. Both functions have a negative slope

C. the function will have the same input y=0

D. the functions will have different outputs when x=0

Answer:

Step-by-step explanation:

do your work bro

Answer:

They are equal

Step-by-step explanation:

4 (3 + x)

= 4 * 3 + 4 * x

= 12 + 4x

(3 + 3 + 3 + 3) + (x + x + x + x)

= 4 * 3 + 4 * x

= 12 + 4x

Therefore, 4(3+x) is equal to (3+3+3+3) + (x+x+x+x).

Hope it helps :)

Part 1: South Rim incision: 400 m/Ma, North Rim incision: 460 m/Ma.

Part 2: South Rim widening: 800 m/Ma, North Rim widening: 1500 m/Ma.

Part 1: The rate of incision is the change in elevation over time. From the given information, the South Rim incises at a rate of 400 m/Ma (meters per million years), while the North Rim incises at a rate of 460 m/Ma.

Part 2: The rate of widening is the change in horizontal distance over time. Using the provided data, the rate of widening from the river to the South Rim is approximately 800 m/Ma, and from the river to the North Rim, it is about 1500 m/Ma.

These rates indicate the average amount of vertical erosion and horizontal widening that occurs over a million-year period. The South Rim experiences slower incision but significant widening, while the North Rim incises more rapidly and widens at a lesser rate. These geological processes contribute to the unique topography and formation of the area over millions of years.

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Based on these assumptions, we estimate that the margin of error for the given poll results is approximately 3.12%.

To determine the margin of error for the given poll results, we need to consider the range between 33% and 37% as the estimated proportion of the population that visits the library.

The margin of error represents the maximum likely difference between the actual population proportion and the estimated proportion from the poll.

It provides an indication of the uncertainty associated with the poll results.

To calculate the margin of error, we can use the following formula:

Margin of Error = Critical Value \(\times\) Standard Error

The critical value is determined based on the desired level of confidence for the poll.

Let's assume a 95% confidence level, which is a common choice. In this case, the critical value corresponds to the z-score of 1.96.

The standard error is calculated as the square root of (p \(\times\) (1-p)) / n,

where p is the estimated proportion and n is the sample size.

Given that the estimated proportion ranges between 33% and 37%, we can use the midpoint (35%) as the estimated proportion.

Since the sample size is not provided, we cannot calculate the exact margin of error.

However, we can provide an estimate assuming a reasonably large sample size.

Let's assume a sample size of 1000.

Using the formula mentioned above, we can calculate the margin of error:

Estimated Proportion (p) = 0.35

Sample Size (n) = 1000

Critical Value (z) = 1.96

Standard Error = √((0.35 \(\times\) (1-0.35)) / 1000) ≈ 0.0159

Margin of Error = 1.96 \(\times\) 0.0159 ≈ 0.0312 or 3.12%

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Answer:

There were 12 girls in the group

Step-by-step explanation:

Assume that the number of girls at first is x

∵ There were x girls in a group

∵ Each girl pays 25 to use a boat

∴ The amount paid = 25 × x

∴ The amount paid = 25x

∵ If there had been 3 more girls in the group

→ That means add x by 3

∴ The number of girls in the group = x + 3

∵ Each would have paid 5 less

∴ Each girl would have paid 25 - 5 = 20

∴ Each girl would have paid 20

∴ The amount paid = 20 × (x + 3)

∴ The amount paid = 20(x) + 20(3)

∴ The amount paid = 20x + 60

→ Equate the right sides of the amount paid

∵ 25x = 20x + 60

→ Subtract 20x from both sides

∴ 25x - 20x = 20x - 20x + 60

∴ 5x = 60

→ Divide both sides by 5 to find x

∴ x = 12

∵ x represents the number of the girls in the group

∴ There were 12 girls in the group

\(p-5(p+4) = p-(8-p)\\\\\implies p-5p - 20 = p-8+p\\\\\implies -4p-2p = 20 -8 \\\\\implies -6p = 12 \\\\\implies p = -2\)

Answer:

A

Step-by-step explanation:

The machine is pushing the dirt together

We can simplify the expression by multiplying the numerators and denominators:34 · 1/32 = (3 · 3 · 3 · 3)/(3 · 2 · 2 · 2)The common factors in the numerator and denominator can be cancelled: (3 · 3 · 3 · 3)/(3 · 2 · 2 · 2) = (3 · 3 · 3)/2 = 27/2The final result of the expression 34 · 3-2 is 27/2, which is equivalent to answer choice (C) 83.

The given expression is 34 · 3-2. We can simplify the expression by applying the exponent rule that states that a number with a negative exponent can be written as a reciprocal of the number with a positive exponent. Using this rule, we can rewrite 3-2 as 1/32. Therefore, we have:34 · 3-2 = 34 · 1/32

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\(15.99 + 0.74(m)\)

\(15.99 + 0.74(m) = 166.95\)

\(15.99 - 15.99 + 0.74(m) = 166.95 - 15.99\)

\(0.74m = 150.96\)

\( \frac{0.74m}{0.74} = \frac{150.96}{0.74} \)

\(m = 204\)

He drove 204 miles.

Answer:

72.5 / 2.5 = 29

29 - 8 = 21

21 / 3 = 7

7

Step-by-step explanation:

Answer:

all real numbers

y>=0

Step-by-step explanation:

got right on ed

The probability that exactly 4 seeds don't grow is approximately 0.250282 or about 25.03%.

To solve this problem, we will use the binomial probability formula. Let X be the number of seeds that don't grow, then X follows a binomial distribution with parameters n = 10 and p = 0.25. We want to find P(X = 4).

The binomial probability formula is:

P(X = k) = (n choose k) * p^k * (1-p)^(n-k)

where (n choose k) = n! / (k! * (n-k)!) is the binomial coefficient.

Substituting n = 10, p = 0.25, and k = 4, we get:

P(X = 4) = (10 choose 4) * 0.25^4 * (1-0.25)^(10-4)

P(X = 4) = (10! / (4! * 6!)) * 0.25^4 * 0.75^6

P(X = 4) = (10*9*8*7 / (4*3*2*1)) * 0.00390625 * 0.17850625

P(X = 4) ≈ 0.250282

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The relationship between DE and AC, considering the triangle midsegment theorem, is given as follows:

The triangle midsegment theorem states that the midsegment of the triangle divided the length of the midsegment of the triangle is half the length of the base of the triangle, and that the midsegment and the base are parallel.

The parameters for this problem are given as follows:

Hence the correct statements are given as follows:

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If each side of a square is increasing at a rate of 7 cm/s, then the rate of increasing the area of the the square when the area of the square is 64 cm square is 112 centimeter square per second

The rate of change of length with respect to the time = 7 cm per second

That is

dl / dt = 7 cm per second

The area of the square = l^2

Where l is the length of the square

The rate of change area with respect to the time is

dA / dt = 2l dl/dt

The area is given that 64 centimeter square and the side will be 8 cm

Substitute the values in the equation

dA / dt = 2 × 8 × 7

= 112 centimeter square per second

Therefore, the rate of increasing the area is 112 centimeter square per second

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The medication affects approximately 8x10^12 cells, which can be expressed as 8 trillion cells.

To calculate the percentage of cells affected by the medication, we can multiply the total number of cells by the percentage of infected cells.

Total number of cells = 1x10^14 cells

Percentage of infected cells = 8%

Percentage of cells affected by the medication = (Total number of cells) x (Percentage of infected cells)

= (1x10^14 cells) x (0.08)

= 8x10^12 cells

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The equation of the quadratic model is \(f(x) = -16x^2 + 99x+ 6\), and the estimated height, after 0.25 seconds in 19 feet

A quadratic regression equation is represented as:

\(f(x) =ax^2 + bx + c\)

Where:

\(a = \frac{ [ \sum x^2 y * \sum xx ] - [\sum xy * \sum xx^2 ] }{ [ \sum xx * \sum x^2x^2] - [\sum xx^2 ]^2 }\)

\(b = \frac{ [ \sum xy * \sum x^2x^2 ] - [\sum x^2y * \sum xx^2 ] }{ [ \sum xx * \sum x^2x^2] - [\sum xx^2 ]^2 }\)

\(c = [ \frac{\sum y }{ n} ] - { b \times [ \frac{\sum x }{ n} ] } - { a * [ \frac{\sum x^2}{ n} ] }\)

Using a graphing calculator, we have:

\(a = -16.429\)

\(b= 81.071\)

\(c = 0.357\)

Approximate to the nearest integers

\(a = -16\)

\(b = 81\)

\(c = 0\)

Substitute these values in \(f(x) =ax^2 + bx + c\)

\(f(x) = -16x^2 + 81x\)

Substitute 0.25 for x to calculate the estimated height, after 0.25 seconds

\(f(0.25) = -16(0.25)^2 + 81(0.25)\)

\(f(0.25) = 19.25\)

Approximate

\(f(0.25) = 19\)

Hence, the equation of the quadratic model is \(f(x) = -16x^2 + 99x+ 6\), and the estimated height, after 0.25 seconds in 19 feet

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The unconfined compression strength of the clay sample is equal to the major stress at failure, which is 3,000 psf.

To determine the unconfined compression strength of the clay sample, given that the major stress at failure is 3,000 psf, you can follow these steps:

1. Identify the major stress at failure, which is 3,000 psf in this case.

2. The unconfined compression test measures the unconfined compressive strength (UCS) of the clay sample. Since there is no lateral confinement in this test, the major stress at failure is equal to the unconfined compressive strength.

3. Therefore, the unconfined compression strength of the clay sample is 3,000 psf.

In summary, the unconfined compression strength of the clay sample is equal to the major stress at failure, which is 3,000 psf.

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Answer: 28% of a dollar

Step-by-step explanation:

Well, if a dollar equals 100 pennies, or in this case 100%, then to find the answer, just take 0.28, also maning 28 cent,  and multiply by 100 or move the decimal two places, meaning it's 28%.

I hope this helped a ton :)

Answer:

the answer is true :A

The choice which is equivalent to the given expression is  \(3x \sqrt{2x}\). The correct option is D.  \(3x \sqrt{2x}\)

From the question, we are to determine the expression which is equivalent to the given expression

The given expression is

\(\sqrt{6x^{2} } \times\sqrt{3x}\)

This can be written as

\(\sqrt{6x^{2} \times 3x}\)

= \(\sqrt{18x^{2} \times x}\)

= \(\sqrt{9x^{2} \times 2x}\)

= \(\sqrt{9x^{2} } \times \sqrt{2x}\)

= \(3x\times \sqrt{2x}\)

= \(3x \sqrt{2x}\)

Hence, the choice which is equivalent to the given expression is  \(3x \sqrt{2x}\). The correct option is D.  \(3x \sqrt{2x}\)

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To find the rate of the boat you divide the distance by the time:

Going upstream is s

Answer:

k=2

Step-by-step explanation:

\(-3k+4=-2-6k \\ \\ 3k+4=-2 \\ \\ 3k=6 \\ \\ k=2\)

Answer:

50.6x + 75.9

Step-by-step explanation:

25.3(2x+3) = 50.6x+75.9

Answer:

B

Step-by-step explanation:

SAS cuz ML~NJ and K is common angle

Answer:

8,13

Step-by-step explanation:

The pattern in +5 so 3+5=8, and 8+5=13

Answer:

8, 13, 18

Step-by-step explanation:

Answer: its cubic

Step-by-step explanation:

The graph below is an example of a cubic type of function. Option C is correct.

A function is a statement, rule, or law that specifies the connection between two variables. Functions are common in mathematics and are required for the formulation of physical connections.

1. A parabola is the graph of a quadratic function. As a result, the presented graph is not a quadratic function graph.

2. A straight line is represented by a linear function. As a result, the presented graph is not a linear function graph.

3. A cubic function's end behavior is opposite at both ends. We can see that the presented graph satisfies these requirements.

4. A square root function's graph resembles a half parabola. As a result, it can't be the graph of the square root function.

The graph below is an example of a cubic type of function.

Hence,option C is correct.

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