1/3 of my bananas are yellow and 1/5 of my bananas are green. The rest is pink. What fraction is pink?

0.7 is greater than 0.07, as the decimal place value indicates. 7.52 is greater than 3 based on the decimal value comparison.

The comparison between 0.7 and 0.07 is reasonable. It is evident that 0.7 is greater than 0.07. The decimal point indicates the place value, and in this case, the difference in the tenths place (0.7) and hundredths place (0.07) clearly shows that 0.7 is a larger value.

On the other hand, the comparison between 3 and 7.52 is not reasonable. It is incorrect to claim that 3 is greater than 7.52. In the decimal system, the whole numbers are on the left side of the decimal point and the decimal fractions are on the right side. When comparing numbers, we start with the whole number part and move to the right, comparing each decimal place one by one. In this case, the digit 7 in 7.52 is greater than 3, and the decimal places further reinforce that 7.52 is a larger value than 3.

In summary, the comparison between 0.7 and 0.07 is reasonable as it aligns with the principles of decimal place value. However, the comparison between 3 and 7.52 is not reasonable, as 7.52 is greater than 3.

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The variable "Gallons of water in a swimming pool" is a quantitative variable.

Quantitative variables are variables that are numerical and can be measured on a scale, such as height, weight, or time. In this case, the number of gallons of water in a swimming pool can be measured and can take any value within a range, such as 0 to 100,000 gallons. Therefore, "Gallons of water in a swimming pool" is a quantitative variable.

In contrast, qualitative variables are variables that describe an attribute or characteristic of a person, place, or thing, and they do not have a numerical value. Examples of qualitative variables include hair color, religious affiliation, or nationality.

"

Complete question

Determine whether the variable is qualitative or quantitative. explain your reasoning.

Variable: Gallons of water in a swimming pool

"

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Answer:

12.5 m

Step-by-step explanation:

recall that 1 km = 1000 m

hence 90 km/h is equivalent to 90 km/h x 1000 m/km = 90,000 m/hr

also recall that 1 hour = 60 x 60 = 3600 s

hence 90,000 m/hr is equivalent to 90,000 m/hr x (1/3600) hr/s = 25 m/s.

given that is eyes were closed for 0.5 s.

in 0.5s, he travelled :

0.5s x 25 m/s = 12.5 m

There are 2002 different subsets of 5 students that can be selected from a classroom of 20. To calculate this, you can use the binomial coefficient formula.

The binomial coefficient is equal to nCr, where n is the total number of objects (in this case 20 students) and r is the number of objects you want to select (in this case 5 students).

Using the binomial coefficient, we can calculate that there are 20C5 = 2002 different subsets of 5 students that can be selected from a classroom of 20.

nCr = 20C5

20C5 = 20! / ((20-5)! 5!)

20! = 20 x 19 x 18 x 17 x 16 x 15 x 14 x 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1

5! = 5 x 4 x 3 x 2 x 1

20C5 = 20 x 19 x 18 x 17 x 16 x 15 x 14 x 13 x 12 x 11 x 10 x 9 x 8 x 7 x 6 x 5 x 4 x 3 x 2 x 1 / (5 x 4 x 3 x 2 x 1 x 15 x 14 x 13 x 12 x 11) = 2002

Therefore, there are 2002 different subsets of 5 students that can be selected from a classroom of 20.

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The calculated Z-score (-1.897) falls within the range of -1.96 to 1.96, we fail to reject the null hypothesis. Therefore, there is not enough evidence to conclude that the mean lifetime of the bulbs is significantly different from 800 hours at a 5% significance level.

To test the hypothesis that μ = 800 hours against the alternative μ ≠ 800 hours, we can use a z-test. Given a random sample of 30 bulbs with an average life of 788 hours, we can calculate the test statistic Z to compare with the critical value.

The formula to calculate the Z-score is:

Z = (x - μ) / (σ / √n)

Where:

x is the sample mean (788 hours),

μ is the population mean (800 hours),

σ is the population standard deviation (40 hours),

n is the sample size (30).

Plugging in the values, we have:

Z = (788 - 800) / (40 / √30) ≈ -1.897

To determine the critical value at α = 0.05 (95% confidence level) for a two-tailed test, we need to divide the significance level by 2, resulting in α/2 = 0.025. Using a Z-table or a Z-calculator, we can find that the critical Z-value for α/2 = 0.025 is approximately ±1.96 (rounded to two decimal places).

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Answer:

x=-2,y=10

Step-by-step explanation:

y=8-x.............equation 1

4-y=-5..........equation 2

Now,

putting the value of y in equation 2,

4-(8-x)=-5

4-8+x=-5

-3+x=-5

x=-5+3

x=-2

Then,

putting the value of x in equation 1

y=8+2

y=10

Finding the numeric values of the piecewise function, the blood pressure will be lowest in the following time:

a. 1 p.m. to 3 p.m.

To find the numeric value of a function, we replace each instance of the variable in the function by the desired value.

In this problem, we have a piecewise function, that is, a function with different definitions based on the input, in which:

The numeric values are calculated next, looking at the definition for each value of t.

The lowest values are for t between 6 and 8, that is, between:

Hence option a is correct.

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Answer: 78

Step-by-step explanation:

Since the rest of the answer are too small to be the length.

Given the information on the circular graph, we have that Medicare & Medicaid has the 35%, then, in angles this is:

For the rest, we have the following:

===========================================================

Explanation:

If the radius is r = 7, then the volume of the sphere is approximately...

V = (4/3)*pi*r^3

V = (4/3)*3.14*7^3

V = 1436.02667 cubic feet approximately

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The air is escaping at a rate of 26 cubic feet per minute. After x minutes, the balloon loses 26x cubic feet of air.

If we start with roughly 1436.02667 cubic feet of air, and lose 26x cubic feet of air after x minutes, then we have 1436.02667-26x cubic feet of air leftover. Set this equal to 0 to find out when the balloon will run out of air.

1436.02667-26x = 0

1436.02667 = 26x

26x = 1436.02667

x = 1436.02667/26

x = 55.231795

Rounded to the nearest minute, we get roughly 55 minutes.

-------------

Side note: to get a more accurate answer, you'll need to use a more accurate version of pi.

To find an explicit formula for the nth term of the sequence satisfying\(\(a_1 = 0\) and \(a_n = 2a_{n-1} + 1\) for \(n \geq 2\),\)  we can use recursive formula to generate the terms of the sequence.

Given:

\(\(a_1 = 0\)\\\(a_n = 2a_{n-1} + 1\) for \(n \geq 2\)\)

Using the recursive formula, we can generate the terms of the sequence as follows:

\(\(a_2 = 2a_1 + 1 = 2(0) + 1 = 1\)\\\(a_3 = 2a_2 + 1 = 2(1) + 1 = 3\)\)

\(\(a_4 = 2a_3 + 1 = 2(3) + 1 = 7\)\\\(a_5 = 2a_4 + 1 = 2(7) + 1 = 15\)\)

From the pattern, we observe that the nth term of the sequence is given by \(\(2^{n-2} - 1\).\)

Therefore, the explicit formula for the nth term of the sequence satisfying \(\(a_1 = 0\) and \(a_n = 2a_{n-1} + 1\) for \(n \geq 2\) is: \\\\\a_n = 2^{n-2} - 1.\]\)

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Answer:

SOLUTION: Explain why the square root of 25 belongs to 4 subsets of the real numbers , but the square root of 5 only belongs to 1 . tell which subsets each belong to and why .

Step-by-step explanation:

The square root of 25 is 5, which  

1. A rational number, since 5 is the ratio of the two integers 5 and 1.

2. An integer since 5 is an element of {...,-3,-2,-1,0,1,2,3,.}  

3. A whole number, since 5 is an element of {0,1,2,3.}

4. A counting number, since 5 is an element of {1,2,3,}

The square root of 5 is only  

1. An irrational number, since it is not the ratio of any two integers.

[It can only be approximated by

this nonrepeating infinite decimal, it goes on forever:

2.2360679774997896964091736687312762354406183596115257...]

The given statement is correct. If a matrix A is invertible, then it means that it has a unique inverse.

What is the identity matrix?

The identity matrix is a square matrix with 1's on the main diagonal and 0's everywhere else. It is denoted as I. The identity matrix has the property that for any square matrix A, the product of A and I is equal to A itself, so I serve as a sort of "do-nothing" matrix.

Yes, this is correct. If a matrix A is invertible, then it means that it has a unique inverse. This implies that the columns of A are linearly independent, as they form a basis for the space. A row equivalent matrix to the identity matrix (A∼I) will have one pivot in each column, indicating that the columns are linearly independent.

Hence, the given statement is correct. If a matrix A is invertible, then it means that it has a unique inverse.

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Answer:

sorry but i need the answer too pls answer the question

Answer:

Introduction. Cellular survival depends on an organism's ability to respond and adapt to extracellular signals in its environment. Signal transduction is, therefore, an important biologic process, allowing cells to react to a variety of these extracellular stimuli and respond adaptively.

Similar triangles to solve this problem. The triangles formed by the post and its shadow, and the tower and its shadow, are similar because they have the same shape, but different sizes.

What is similar triangles?

In geometry, two triangles are said to be similar if they have the same shape but different sizes. This means that their corresponding angles are equal and their corresponding sides are in proportion. In other words, if we scale one triangle up or down, the resulting triangle is similar to the original.

Let's use x to represent the height of the cell phone tower. Then, we can set up the following proportion:

height of post / length of post shadow = height of tower / length of tower shadow

Substituting the given values, we get:

10 ft / 12 in = x / 124 ft

To solve for x, we need to convert the units so that they match. Let's convert 10 ft to inches:

10 ft * 12 in/ft = 120 in

Substituting this value, we get:

120 in / 12 in = x / 124 ft

Simplifying, we get:

10 = x / 124

Multiplying both sides by 124, we get:

x = 1240 / 10 = 124 ft

Therefore, the cell phone tower is 124 feet tall.

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The given curves are `y = x + 1, y = 0, x = 0 and x = 4` and we are supposed to find the volume `V` of the solid obtained by rotating the region bounded by the given curves about the x-axis.

The region is shown below:Region bounded by y = x + 1, y = 0, x = 0 and x = 4We can observe that the region is a right-angled triangle with perpendicular `4` and base `1`. Now, we need to rotate this right-angled triangle about the x-axis to form a solid of revolution. The solid of revolution obtained is shown below:Solid of revolution obtained by rotating the region about the x-axis Since the region is rotated about the x-axis, the axis of rotation is `x-axis`.

So, the formula for volume of the solid of revolution is given by:`V = pi * ∫[a, b] y^2 dx`Here, the limits of integration are `a = 0` and `b = 4`.We need to express `y` in terms of `x`.Since, `y = x + 1`, we get`x = y - 1`Substituting this value of `x` in `x = 4`, we get`y - 1 = 4``y = 5`So, the limits of integration for `y` are `0 to 5`.So, we have to evaluate the integral:`V = pi * ∫[0, 5] (y - 1)^2 dx`

Simplifying this, we get:`V = pi * ∫[0, 5] (y^2 - 2y + 1) dy``V = pi * (∫[0, 5] y^2 dy - 2∫[0, 5] y dy + ∫[0, 5] dy)``V = pi * [y^3/3 - y^2 + y] [0, 5]``V = pi * [(5^3/3 - 5^2 + 5) - (0)]``V = pi * [(125/3 - 25 + 5)]``V = pi * [100/3]`

Therefore, the volume `V` of the solid obtained by rotating the region bounded by the given curves about the x-axis is `V = (100/3) pi` (in cubic units).

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AAA ( Angle - Angle - Angle) congruence rule is one of congruence postulate but not preferable, for showing the similarity in two triangles

Two triangles are said to be congruent if one can be superimposed on the other exactly by rigid body motion, and the congruence theorem gives the conditions under which this occurs.

AAA Congruence rule:

It is stands for angle-angle-angle Congruence rule. When all three angles of one triangle is equals to the corresponding angles of another triangle. but it is possible if and only if the corresponding sides of both triangles are equal and when all three sides of two triangles are equal to each other then we use SSS Congruence rule. So, it not considered as preferable congruence rule . For example, In ∆ABC and ∆PQR

all three angles of ∆ABC is equal to corresponding angles of ∆PQR. So,∆ABC and ∆PQR are congruent.

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Answer:

12/4

Step-by-step explanation:

12/4

= 3/1

= 3

So, 12/4 = 3

Answer:

x = 90 degrees, right triangle

Step-by-step explanation:

48 + 42 + x = 180

90 + x = 180

180 - 90 = x

x = 90 degrees

Lines have a larger m value, that is, m > 1 have steeper slope and lines having an m value between 0 and 1, usually in the form of a fraction have a flatter slope .

Slope is the rate of change in the dependent variable with respect to the independent variable.

For an equation of line of the type - y= mx +c , the slope is given by the m value.

Now, if the value of m > 1 like m=1,2,3, ... , the lines have a steeper slope and have a steep nature.

Similarly, if the value of m < 1 i.e. 0 < m < 1 like m=1/2,2/3, ... fractional values,  the lines have a flatter slope and do not have a steep nature.

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Converting the force from newtons to pounds can help us determine the chances of a driver being able to stop a child. The conversion factor is 1 pound (lb) = 4.45 newtons (N).

To convert the force from newtons to pounds, we use the conversion factor of 1 lb = 4.45 N. If we have a force in newtons, we can divide it by 4.45 to obtain the equivalent force in pounds. For example, if the force is 20 N, we divide it by 4.45 to get approximately 4.49 lb.

Now, in order to assess the chances of the driver stopping the child, we need to consider various factors such as the mass and speed of the child, the friction between the driver's shoes and the ground, and the force applied by the driver. If the force applied by the driver, converted to pounds, is greater than or equal to the force exerted by the child, there is a higher chance of stopping the child.

However, it's important to note that other factors, such as the driver's reaction time and the coefficient of friction between the shoes and the ground, also play significant roles in determining the outcome. Thus, the chances of the driver stopping the child depend on a combination of these factors, making it essential to consider them comprehensively when evaluating the situation.

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Answer:

True

Step-by-step explanation:

An expected value is another term for the mean of a probability distribution. The number of successes in a binomial experiment must range from zero to n. In a binomial experiment, the number of successes can never exceed the number of trials. The probability of a success must exceed the probability of a failure.

Answer:

Step-by-step explanation:

Using the principle of mathematical induction, we can prove that the product of a finite set of n x n invertible matrices is also invertible, and its inverse is the product of the inverses of the matrices in the reverse order.

Let's prove this statement using mathematical induction.

Base case: For n = 1, a 1x1 invertible matrix is itself invertible, and its inverse is the matrix itself. Thus, the base case holds.

Inductive step: Assume that the statement is true for some positive integer k, i.e., the product of a finite set of k x k invertible matrices is invertible, and its inverse is the product of the inverses in the reverse order.

Now, consider a set of (k+1) x (k+1) invertible matrices A_1, A_2, ..., A_k, \(A_{k+1}\). By the induction hypothesis, the product of the first k matrices is invertible, denoted by P, and its inverse is the product of the inverses of those k matrices in reverse order.

We can rewrite the product of all (k+1) matrices as \(P * A_{k+1}\). Since A_{k+1} is also invertible, their product \(P * A_{k+1}\) is invertible.

To find its inverse, we can apply the associativity of matrix multiplication: \((P * A_{k+1})^{-1} = A_{k+1}^{-1} * P^{-1}\). By the induction hypothesis, \(P^{-1}\) is the product of the inverses of the first k matrices in reverse order. Thus, the inverse of the product of all (k+1) matrices is the product of the inverses of those matrices in reverse order, satisfying the statement.

By the principle of mathematical induction, the statement holds for all positive integers n, and hence, the product of a finite set of n x n invertible matrices is invertible, with its inverse being the product of the inverses in the reverse order.

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Debbie can buy a maximum of 4 t-shirts with the remaining $38 after purchasing the $22 jeans.

To determine the greatest number of t-shirts Debbie can buy, we need to find out how much money she will have left after purchasing the pair of jeans. Debbie has $60 to spend and the jeans cost $22. Therefore, she will have $60 - $22 = $38 left to spend on t-shirts.

Each t-shirt costs $8, so we divide the remaining amount by the cost per t-shirt: $38 / $8 = 4.75.

Since Debbie cannot buy a fraction of a t-shirt, we round down the decimal value to the nearest whole number. Therefore, Debbie can buy a maximum of 4 t-shirts with the remaining $38.

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The equation of sphere is (x -1 )^{2}  + (y - 2 )^{2}  + (z+3 )^{2}  = 14.

According to the statement

we have to find the equation of the sphere which passes through the a(1,2,-3), with center b (2,4,0).

So, For this purpose, we know that the

Sphere is In analytical geometry, if “r” is the radius, (x, y, z) is the locus of all points and \((x_{0} , y_{0} , z_{0})\)

is the center of a sphere, then the equation of a sphere is given by: \((x -x_{0} )^{2} + (y - y_{0} )^{2} + (z-z_{0} )^{2} = r^{2}\).

So, Here from given equation

The sphere that passes through a(1,2,-3), with center b (2,4,0).

here the locus point is a(1,2,-3).

The radius of sphere is

\(Radius = \sqrt{(1-2)^{2} + (2-4)^{2} + (-3-0)^{2} } \\Radius = \sqrt{(1 + 4 +9 }\)

So, radius is square root 14.

And then the equation of sphere become

\((x -1 )^{2} + (y - 2 )^{2} + (z+3 )^{2} = 14\).

So, The equation of sphere is (x -1 )^{2}  + (y - 2 )^{2}  + (z+3 )^{2}  = 14.

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The length of the third side is 4.

Given information:

A right-angled triangle is provided in the diagram.

So, as per the diagram,

The hypotenuse leg = √(97)

Opposite leg = 9

Let the length of the adjacent leg, which is the third side be x. By the Pythagorean theorem, we have:

x² + 9² = √(97)²

Simplifying the right side, we get:

x² + 81 = 97

Subtracting 81 from both sides, we get:

x² = 16

Apply square root property, we get,

x = +/- 4

Since the length of a side of a triangle must be positive, the length of the third side is 4.

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