Matt read 65 pages in 50 minutes. He reads at a constant rate.

How many pages can Matt read per minute?

Answer:

86 billion

Step-by-step explanation:

There are approximately 86 billion brain cells in each brain, and this is how many “people” can fit on the planet.

Answer:

Step-by-step explanation:

0.0154 as a percentage is 1.54%

:)

Step-by-step explanation:

( First of all to convert quinary to decimal we need to multiply them by 5 )

So let's solve now.....

= 221

Solution,

Converting quinary number to decimal .....

= 2 × 5² + 2 × 5¹ + 1 × 5⁰

The value of any number to the power 0 is 1 ...

= 2 × 25 + 2 × 5 + 1 × 1

= 50 + 10 + 1

= 61..

Hence the answer is 61....

\( \bf \bigstar \boxed{\bf {answer}}\bigstar \:\)

Answer:

Step-by-step explanation:

Given:

A. The variables are:

B. The equations are based on given parameters

Use perimeter formula

C. Solve the system above by substitution:

Find the value of l:

The length is 16 feet, the width is 5 feet

Answer:

The length of the garden is 16 ft while the width of the garden is 5 ft.

Explanation:

a)we want to start with defining the variables.

Let the length of the garden be w.

b) here, we want to create equation

From the question, the length is 6 feet more than twice the width of one garden

Mathematically, we have this as;

\(l = 2w + 6\)

Furthermore, the perimeter is 42 feet

The formula of the perimeter is;

\(2(l + w) = 42\)

Dividing both sides by 2

\(l + w = 21\)

c)Now, we want to solve both equations simultaneously

We can substitute the first equation into the second;

\(2w + 6 + w = 21 \\ 3w + 6 = 21 \\ 3w = 21 - 6 \\ 3w = 15 \\ w = \frac{15}{3} = 5\)

\(l + w = 21 \\ l = 21 - w = 21 - 5 = 16\)

According to the solving the unit rate of tacos is 6$ and for other count are as follows:

4 tacos = 24$

5 tacos = 30$

6 tacos = 36$

A ratio between two separate units that has one as the numerator is called a unit rate. metrics such as salary per month, metres per second, metres per hour, etc. are some examples. Arithmetic is the most fundamental as well as culturally important branch of mathematics, and it is used frequently in daily life.

3 tacos = 18$

1 tacos = 18/3

            = 6$

if 3 tacos = 18$ then each taco  is 6$ and fot the answer you just multiply by the amount you have fot tacos.

So,

4 tacos = 24$

5 tacos = 30$

6 tacos = 36$

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The solution to the equation 3(x-6) - 1/2(8x+10) = -25 is x = 2.

To simplify the equation 3(x-6) - 1/2(8x+10) = -25, we can start by applying the distributive property and then combining like terms.

First, let's distribute the 3 and the -1/2 to the terms inside the parentheses:

3(x-6) - 1/2(8x+10) = 3x - 18 - (4x + 5)

Now, let's simplify further by combining like terms:

3x - 18 - 4x - 5 = -x - 23

So, the simplified equation is -x - 23 = -25.

To solve for x, we can isolate the variable by adding 23 to both sides of the equation:

-x - 23 + 23 = -25 + 23

This simplifies to:

-x = -2

Finally, we can solve for x by multiplying both sides of the equation by -1:

(-1)(-x) = (-1)(-2)

This gives us:

x = 2

Therefore, the solution to the equation 3(x-6) - 1/2(8x+10) = -25 is x = 2.

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Answer:

Step-by-step explanation:  These points are the only points with integer coordinates that satisfy a set of

inequalities.

Write down these three inequalities.

There are three conditions for inference, which are:The sample is representative of the population.The sample size is sufficiently large.The sampling distribution is normal since the sample size is large enough.Below are the necessary steps to determine if the conditions for inference are met.

Step 1: Identifying the Population and Parameter Let p be the proportion of puppies that are house-trained by the time they are 6 months old. Since the objective is to determine if there is sufficient evidence to claim that p > 0.75, this implies that the hypothesis of interest is the alternative hypothesis which is:H1: p > 0.75 The null hypothesis, which is the complement of the alternative hypothesis, is:H0: p ≤ 0.75 Step 2: Checking the Randomization Condition The randomization condition is met if we assume that the 50 puppies are randomly selected from the population of all puppies.

The randomization condition is met.Step 3: Checking the Sample Size Condition A sample size of 50 puppies is not a small sample size, and this condition is met.Step 4: Checking the Independence Assumption It is assumed that the 50 puppies are independent. tribution to calculate the p-value or use the z-test for proportion to carry out the hypothesis test for the claim that more than 75% of puppies are house-trained by the time they are 6 months old.

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Answer:

-12x+7

Step-by-step explanation:

combine the like terms

Linear regression is a statistical method used to model the relationship between a dependent variable and one or more independent variables. It aims to find a linear equation that best fits the observed data points, allowing for the prediction of the dependent variable based on the independent variables.

In more detail, linear regression assumes a linear relationship between the dependent variable and the independent variables. The method estimates the parameters of the linear equation by minimizing the sum of the squared differences between the observed data points and the predicted values. This is typically done using a technique called ordinary least squares (OLS) regression. The resulting linear equation can be used to make predictions or infer the impact of the independent variables on the dependent variable.

Linear regression is widely used in various fields, including economics, finance, social sciences, and machine learning. It provides a simple and interpretable way to analyze and understand the relationship between variables. However, it is important to note that linear regression assumes certain assumptions about the data, such as linearity, independence of errors, and homoscedasticity. Violations of these assumptions can affect the accuracy and reliability of the regression model.

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Yes, you can show significant differences using superscripts in an ANOVA (Analysis of Variance) single-factor test.

In an ANOVA test, superscripts are commonly used to indicate significant differences between the means of different groups or treatments.

Typically, letters or symbols are assigned as superscripts to denote which groups have significantly different means. These superscripts are usually presented adjacent to the mean values in tables or figures.

The specific superscripts assigned to the means depend on the statistical analysis software or convention being used. Each group or treatment with a different superscript is considered significantly different from groups with different superscripts. On the other hand, groups with the same superscript are not significantly different from each other.

By including superscripts, you can visually highlight and communicate the significant differences between groups or treatments in an ANOVA single-factor test, making it easier to interpret the results and identify which groups have statistically distinct means.

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Two digit prime numbers formed by choosing two different digits from the given {2,7,8,9} set of numbers are 97, 29, 79, 89.

As given in the question,

Given set of numbers are :

{ 2,7,8,9}

Two digit prime numbers formed by given set of numbers are as follow:

When 2 and 8 are at unit place, number formed is a even composite number which is not prime.

Number formed when 7 at unit place are:

27, 87, 97 from which only 97 is prime.

Number formed when 9 at unit place are:

29, 79, 89 all three are prime numbers.

Therefore, two digit prime numbers formed by choosing two different digits from the given {2,7,8,9} set of numbers are 97, 29, 79, 89.

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The error term is a random variable with an expected value of zero.2. The error term is normally distributed

The assumptions underlying the simple linear regression model `y = Bo + B1x + e` are: 1.

The variance of the error term e is constant across all values of x.Thus, the assumptions that are underlying the simple linear regression model `y = Bo + B1x + e` are the second and the third options, which are "The error term is normally distributed." and "The variance of the error term e is constant across all values of x." respectively.

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Answer:

$14

Step-by-step explanation:

Make the variables:

x

x + 3

2x + 3 = 25

2x = 22

x = 11

11, 14

Answer:

$14

Step-by-step explanation:

price of cheaper scarf → x

price of more expensive scarf → x + 3

x + x + 3 = 25

2x + 3 = 25

2x = 22

x = 11

The cheaper scarf costs $11 so the more expensive scarf costs $14.

Answer:

A. 40in3

Step-by-step explanation:

your just multiplying the numbers together

If the length of a tennis court is (7x + 8) ft, and its width is (3x + 6) ft, the expression of that represents the area of the court is: \(\mathbf{Area = 21x^2 + 66x + 48}\)

Recall:

Given the algebraic expressions for the dimension of the rectangular court as:

length = (7x + 8) ft

width = (3x + 6) ft

Area = \((7x + 8) \times (3x + 6)\)

\(Area =7x(3x + 6) +8(3x + 6)\\\\Area = 21x^2 + 42x + 24x + 48\\\\\)

\(\mathbf{Area = 21x^2 + 66x + 48}\)

Therefore, if the length of a tennis court is (7x + 8) ft, and its width is (3x + 6) ft, the expression of that represents the area of the court is: \(\mathbf{Area = 21x^2 + 66x + 48}\)

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Answer:

50miles an hour

Step-by-step explanation:

50miles an hour because R = d/t so 500 / 10 is 50

so rate is 50/hour

Answer: 10

Step-by-step explanation:

6-5 = 1

-2 x 1 = -2

-2 x -5 = 10

To find the domain of the function f(x) = 2 / (5x + 8), we need to determine the values of x for which the function is defined.

The function f(x) is defined for all values of x except those that make the denominator, 5x + 8, equal to zero. Division by zero is undefined in mathematics. So, we set the denominator equal to zero and solve for x: 5x + 8 = 0. 5x = -8. x = -8/5. Therefore, the function f(x) is undefined when x = -8/5.

The domain of the function f(x) is all real numbers except x = -8/5. We can express this in interval notation as: (-infinity, -8/5) U (-8/5, infinity)

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The statement "The empirical rule should be applied to data sets that are normally distributed or nearly normally distributed." is True.

The empirical rule, also referred to as the three-sigma rule or the 68-95-99.7 rule, is a quantitative rule which says that for a normally distributed, nearly all observed data will fall within three standard deviations (denoted by) of the mean or average (denoted by).

According to the Empirical Rule, 99.7% of data observed following a normal distribution is within 3 standard deviations of the mean.

According to this rule, 68% of the data is within one standard deviation of the mean, 95% is within two standard deviations, and 99.7% is within three standard deviations of the mean.

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Answer:

I don't know sorryyyyy plz give the other brain

Answer:

x<25/18 tis is d real anwer

Answer:

the answer is d because its makes the 5/6 turn into 10/6 or 1 4/6 or 1 2/3

The given integrals are:a) ∫f (6x +18x-²) dx = -1/(6(6x +18x-²)) + Cb) ∫√ (6√x - √) dx = (1/9) [(6x)^(3/2) - 1] + C.

Given integrals are:a) ∫f (6x +18x-²) dx b) ∫√ (6√x - √) dx.

Let's evaluate both of these integrals one by one.a) ∫f (6x +18x-²) dxNow, let's solve this integral step by step.

Substitute 6x + 18x^-2 = t6 + 36x^-3dx = dt/(x^2)Integrating both sides will give us:∫f (6x +18x-²) dx = ∫f t dt/(6t^2)And after integration, it becomes:f (6x +18x-²) dx = -1/(6t) + C = -1/(6(6x +18x-²)) + C.

Therefore, main answer to this integral is, ∫f (6x +18x-²) dx = -1/(6(6x +18x-²)) + C.

Now, we will solve another integral given above.b) ∫√ (6√x - √) dxNow, let's solve this integral step by step.√6√x - √ = u^2u = 6xTherefore, du/dx = 6dxNow, the integral will become:∫u^2(1/3) du.

After integration, we get:(1/3) [u^3/3] + C= (1/9) [(6x)^(3/2) - 1] + CTherefore, main answer to this integral is, ∫√ (6√x - √) dx = (1/9) [(6x)^(3/2) - 1] + C.

The main answer for the given integrals are:a) ∫f (6x +18x-²) dx = -1/(6(6x +18x-²)) + Cb) ∫√ (6√x - √) dx = (1/9) [(6x)^(3/2) - 1] + C.

Thus, we can conclude that both integrals have been evaluated.

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The range of f(x) = 2x for any real number x will always be the set of all real numbers, regardless of what specific value of x is plugged in.

The range of a function is the set of all possible output values for the function. In this case, the function f(x) = 2x has a domain of the set of real numbers, meaning that any real number can be plugged in for x. The range of the function will be determined by what values of x are plugged in.

(a) If z is a real number, then f(z) = 2z. The range of f(z) will be the set of all real numbers since any real number can be plugged in for z and the output will also be a real number.

(b) Similarly, if n is a real number, then f(n) = 2n. The range of f(n) will also be the set of all real numbers since any real number can be plugged in for n and the output will also be a real number.

(c) Finally, if r is a real number, then f(r) = 2r. The range of f(r) will also be the set of all real numbers since any real number can be plugged in for r and the output will also be a real number.

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Explanation:

The portion below the x axis is when f(x) is negative. This happens on the interval \(-5 < x < 3\). Note how -5 and 3 are the x intercepts or roots. So because f(x) is negative when \(-5 < x < 3\) we can say f(x) is negative over the interval (-5, 3). This is interval notation and not ordered pair notation.

----------

The function f(x) is positive in two places. When x < -5 and when x > 3. This is where the purple parabola is above the x axis.

The x < -5 portion converts to the interval notation (−∞,−5)

The x > 3 portion converts to the interval notation (3,∞)

The function is positive over the interval (3,∞) and interval (−∞,−5) while negative over interval (−5,3) so options (B),(C), and (D) will be correct.

A graph is a diagram that shows the fluctuation of one variable in relation to one or more other variables.

In order to plot the graph, we need to find out y's values corresponding to x's value

After that, we need to substitute the values of x's and y's into the coordinate geometry.

If we look at the graph

The value of graph is positive after x = 3 and it is positive before x = -5

Let's say the graph is going infinitely in both directions.

Then the function is positive over the interval (3,∞) and interval (−∞,−5).

The function is negative from x = -5 to 3 so it will be negative over that.

Hence "The function is positive over the interval (3,∞) and interval (−∞,−5) while negative over interval (−5,3)".

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