(–84 + 17) – | –29 – 18 |

yeah the nearest is porb 2.6 lol

As per the concept of measurement, one unit of Pitocin is equivalent to 16.67 milliliters of the solution in the bag.

Pitocin is typically administered through an intravenous (IV) drip, which allows for precise control of the dosage. The dosage of Pitocin is usually measured in units, with each unit representing a specific amount of the medication. In the case of the 500ml bag of normal saline that contains 30 units of Pitocin, it is necessary to determine how many milliliters are equivalent to one unit of Pitocin.

To do this, we can use a simple formula:

Volume of Pitocin per Unit = Total Volume of Pitocin / Total Number of Units

In this case, the total volume of Pitocin is 30 units, and the total volume of the saline bag is 500 ml. Therefore, we can calculate the volume of Pitocin per unit as follows:

Volume of Pitocin per Unit = 500 ml / 30 units

Volume of Pitocin per Unit = 16.67 ml/unit

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The value of the triple integral is 1/16(e-1)π.

The region of integration E is defined by the inequalities 0 ≤ r ≤ 1, 0 ≤ θ ≤ π/2, and 0 ≤ φ ≤ π/2. The integrand is f(r, θ, φ) = r^2e^(r^2). Thus, we have:

∭E^xe^(x2+y2+z2) dV = ∫₀¹∫₀^(π/2)∫₀^(π/2) f(r, θ, φ) r^2 sin φ dφ dθ dr

= ∫₀¹∫₀^(π/2)∫₀^(π/2) r^4e^(r^2) sin φ dφ dθ dr

= ∫₀¹∫₀^(π/2) (-e^(r^2))(cos φ)|₀^(π/2) dθ dr [using u-substitution with u = r^2]

= ∫₀¹∫₀^(π/2) (e^(r^2))(sin φ) dφ dθ dr

= ∫₀¹(1-e^(-r^2))dθ dr

= π/2 - ∫₀¹e^(-r^2)dθ

= π/2 - [(1/2)π/2(1-e^(-1))]

= 1/16(e-1)π.

Therefore, the value of the triple integral is 1/16(e-1)π.

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Required solutions after simplification are 8bz, 1, 3x³/y², 144, x⁹, 1/y⁵ respectively.

7) To simplify the expression:

[tex]\frac{16db {z}^{5} }{ {(2z)}^{4} } \\ = \frac{16}{2} \times \frac{b}{z} \times \frac{ {z}^{5} }{ {z}^{4} } \\ = 8b \times {z}^{5 - 4} \\ = 8bz[/tex]

Therefore, 16dbz⁵/(2z)⁴ simplifies to 8bz.

8)Any non-zero number raised to the power of zero is 1.

Therefore:(15n⁶m²x³/n⁻²m⁻³b⁻⁸)⁰ = 1

9)To simplify the expression:

[tex] \frac{30 {x}^{4} {y}^{ - 3} }{10 {x}^{ - 2} {y}^{5} }

= \frac{3 {x}^{4 - ( - 2)} }{ {y}^{3 - 5} }

= \frac{3 {x}^{6} }{ {y}^{ - 2} }

= \frac{3 {x}^{6} }{ {y}^{2} } [/tex]

herefore, 30x⁴y⁻³/10x⁻²y⁵

[tex]\frac{30 {x}^{4} {y}^{ - 3} }{10 {x}^{ - 2} {y}^{5} } [/tex] simplifies to [tex]\frac{3 {x}^{6} }{ {y}^{2} } [/tex]

13) To solve this expression, we perform the exponentiation first and then perform the multiplication.

6² means 6 multiplied by itself, or 6×6 = 36.

So,4×6² = 4×36

So, 4×6²= 144

Therefore, 4×6² equals 144.

14) To simplify the expression: x³ × x⁻² × x⁷ × x

[tex] = {x}^{3 - 2 + 7 + 1} = {x}^{9} [/tex]

Therefore, x³ * x⁻² * x⁷ * x simplifies to x⁹.

15)To simplify the expression:

[tex] {y}^{ - 11} \times {y}^{6} \times {y}^{0} \\ = {y}^{ - 11 + 6 + 0} \\ = {y}^{ - 5} \\ = \frac{1}{ {y}^{5} } [/tex]

Therefore, Required value is 1/y⁵.

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Therefore, the distance between the two points is 13 units.

Distance is the measure of the length between two points or objects. It is the amount of space between two points, or the length of a path traveled by an object. Distance is typically measured in units such as meters, kilometers, miles, feet, or yards. In physics, distance is often used to describe the separation between two objects in space, and it is an important factor in many scientific calculations, such as speed, velocity,

and acceleration.

by the question.

Here is the plot of the two points on the coordinate plane:

The first point (-8, 7) is plotted 8 units to the left of the y-axis and 7 units above the x-axis. The second point (5, 7) is plotted 5 units to the right of the y-axis and 7 units above the x-axis.

To find the distance between these two points, we can use the distance formula:

[tex]distance =\sqrt((x2 - x1)^2 + (y2 - y1)^2)[/tex]

where?[tex](x_1, y_1)[/tex]and [tex](x_2, y_2)[/tex] are the coordinates of the two points.

Plugging in the coordinates, we get:

[tex]distance = \sqrt((5 - (-8))^2 + (7 - 7)^2)[/tex]

        = [tex]\sqrt((13)^2 + (0)^2)[/tex]

        = [tex]\sqrt(169)[/tex]

        = 13

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Step-by-step explanation:

2 bakers make 30 loaves in 1 hour.

that means each baker just by him-/herself can make 15 loaves in 1 hour.

so,

1 baker's "speed" = 15 loaves/hr

15 l/h = 30l/x

x = 30/15 = 2 hours (1 baker takes 2 hours to make 30).

3 bakers' speed = 3×15/hr = 45l/h

45l/h = 30l/x

x = 30/45 = 2/3 hours (3 bakers need 2/3 hours = 40 minutes to make 30 loaves).

5 bakers = 5×15l/h = 75 l/h.

75l/h = 30l/x

x = 30/75 = 2/5 hours (5 bakers need 2/5 hours = 2×60/5 = 24 minutes to make 30 loaves).

6 bakers = 6×15l/h = 90 l/h.

90 l/h = 30/x

x = 30/90 = 1/3 hours (6 bakers need 1/3 hour = 60/3 = 20 minutes to make 30 loaves).

15 bakers = 15×15 l/h = 225 l/h

225 l/h = 30/x

x = 30/225 = 2/15 hours (15 bakers need 2/15 hours = 2×60/15 = 2×4 = 8 minutes to make 30 loaves).

Group of answer choices a correlation is when two events occur together at a rate higher than mere chance would predict.Therefore, none of these answers are correct.

The following is true of correlations: A correlation is when two events occur together at a rate higher than mere chance would predict. This is because when two events occur together, they are likely related to one another, rather than it being coincidental. However, correlation does not always indicate a causal relationship. Correlation is just an association between two variables, which could be because of chance, or there could be another variable that causes the two events to occur together.

A positive correlation holds when the occurrence of one event increases the chance of another event occurring. This means that when one variable increases, the other also increases. A negative correlation holds when the occurrence of one event decreases the chance of another event occurring. This means that when one variable increases, the other decreases.

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Answer:

use pythagorean theorem on the lower tri to find its hypotenuse and apply the theorem again to find the base of the upper tri....

We can estimate that the length of the hypotenuse is about 8.6 units.

We can use the Pythagorean theorem to estimate the length of the hypotenuse of the right triangle formed by the given opposite and adjacent sides.

The Pythagorean theorem states that:

c^2 = a^2 + b^2

where c is the length of the hypotenuse, and a and b are the lengths of the other two sides of the right triangle.

Substituting the given values, we get:

c^2 = 7^2 + 5^2

c^2 = 49 + 25

c^2 = 74

To estimate the length of the hypotenuse, we can take the square root of both sides:

c ≈ √74

c ≈ 8.6 (rounded to one decimal place)

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Option C. An ANOVA examines whether mean differences exist between conditions, whereas a t-test does not is the correct comparison between an ANOVA and a t-test.

What is ANOVA?

ANOVA (Analysis of Variance) is a statistical method that helps to compare three or more means or groups. It is used in behavioral and social sciences research, which determines whether the mean of the dependent variable is significantly different across different levels of an independent variable.

It is used for statistical inference in comparing the means of two or more groups. ANOVA is based on the idea of variance; that is, the variation between the groups' means is compared to the variation within the groups. By assessing the significance of the difference between group means, ANOVA determines whether there is sufficient evidence to conclude that they are not all equal.

What is a t-test?

A t-test is a statistical hypothesis test that compares the means of two independent groups. It is used when the data in each of the groups being compared is normally distributed. The t-test is a parametric test that compares the means of two groups and calculates the standard error of the difference between the means. It compares the difference between the two groups to the variability within each of the groups. The difference between the sample means is examined relative to the variability between the groups. The t-test produces a test statistic that can be compared to a critical value to determine if the means of the two groups differ significantly. It is commonly used to examine if the means of two independent groups are significantly different.

The primary differences between t-test and ANOVA are in terms of the number of groups, and that ANOVA is used for testing the significance of differences between more than two groups while t-tests are used for testing differences between two groups. Hence, ANOVA is used when we want to compare three or more groups, while t-tests are used when we want to compare two groups. Option C. An ANOVA examines whether mean differences exist between conditions, whereas a t-test does not is the correct comparison between an ANOVA and a t-test.

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Answer:

In a pedigree chart, a filled-in symbol (usually a circle or square) typically indicates that the individual represented by that symbol has the trait or condition of interest. This trait or condition may be a genetic disorder or a physical characteristic that is being studied.

For example, in a pedigree for a genetic disorder such as Huntington's disease, a filled-in circle or square would indicate an affected individual who has inherited the disease-causing allele from one or both parents. In contrast, an unfilled symbol would indicate an individual who does not have the disease or does not carry the disease-causing allele.

Overall, the use of filled-in symbols in a pedigree chart helps to visually represent the inheritance pattern of a trait or condition within a family.

The magnitude and direction of the resultant vector are 76.158 and 100.496° (rounded to the nearest degree).
So the answer is 76.158; 100°.

To find the magnitude and direction of the resultant vector, we can use the vector addition formula:

R = sqrt(A^2 + B^2 + 2ABcosθ)

Where R is the magnitude of the resultant vector, A and B are the magnitudes of the two vectors, and θ is the angle between them.

First, we can convert the given angles to radians by multiplying by π/180:

40° * π/180 = 0.698 radians
130° * π/180 = 2.268 radians

Then we can plug in the given values and solve for the magnitude of the resultant vector:

R = sqrt(30^2 + 70^2 + 2(30)(70)cos(2.268 - 0.698))
R = 76.158 (rounded to the thousandths place)

Next, we can use the law of cosines to find the angle between the resultant vector and the 30-magnitude vector:

cosθ = (R^2 + A^2 - B^2) / 2RA
cosθ = (76.158^2 + 30^2 - 70^2) / (2 * 76.158 * 30)
cosθ = 0.499
θ = cos^-1(0.499)
θ = 60.496°

Since this angle is between the 30-magnitude vector and the x-axis, we need to add 40° to get the angle between the resultant vector and the x-axis:

60.496° + 40° = 100.496°

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Distance from the summit of Mount Everest to the horizon, Rounded to the nearest mile, the distance from the summit of Mount Everest to the horizon is 210 miles.

Distance refers to the space between two points or the length of a line between them. It may also refer to a range, extent, or magnitude that separates one point from another. Distance may be a physical concept, such as the distance between two cities or the distance traveled by a moving object.

The distance between two points can be calculated using a number of mathematical techniques, including the Pythagorean theorem, the distance formula, and vector addition.

d = √(2Rh + h²)

where d is the distance to the horizon, R is the radius of the Earth (4000 miles), and h is the height of the observer (in this case, the height of the summit of Mount Everest, which is 29,030 feet).

We need to convert the (h) height of the summit to miles:

29,030 ft = 29,030/5280 miles ≈ 5.49 miles

Now we can plug in the values and solve for d:

d = √(2 × 4000 × 5.49 + 5.49^2) =209.64288 ≈ 210 miles

Therefore, the distance from the summit of Mount Everest to the horizon is approximately 210 miles when rounded to the nearest mile.

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The rate at which the shadow of the man is increasing in length is 1/5 m/s.

We can solve this problem using similar triangles. Let x be the length of the shadow, and let y be the distance between the man and the base of the lamppost. Then, we have the following equation:

(1.4 + x)/y = 1/5

Solving for x, we get:

x = (y/5) - 1.4

Differentiating both sides with respect to time t, we get:

dx/dt = (1/5) dy/dt

We are given that dy/dt = 1 m/s, so substituting that in, we get:

dx/dt = (1/5) m/s

Finally, we are asked for the rate at which the shadow length is increasing, which is just dx/dt. Thus, the rate is (1/5) m/s.

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The probability that the player has all 8 of the number selected by the lottery commission is approximately 1.3 × 10^-9.

There are a total of 40 numbers that can be chosen for the lottery. Out of those 40 numbers, a player must select 8 numbers. The lottery commission will also randomly select 8 numbers from those 40. If a player has all 8 of the numbers selected by the lottery commission, then they will win. The number of ways to choose 8 correct numbers is simply 1, since there is only one set of 8 numbers that the player can choose that matches the 8 numbers selected by the lottery commission.

The number of ways to choose any 8 numbers from 40 is given by the combination formula:

P = (40! / (8! (40 - 8)!) = 769,046,685

Therefore, the probability that the player has all 8 numbers selected by the lottery commission is:

P(all 8 numbers are correct) = 1 / 769,046,685 = 1.3 × 10^-9 (approximately).

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Answer: It is rotation and reflection.

Step-by-step explanation:

The area of the polygon on the graph is 4 units²

The area of shape is the space enclosed within the perimeter or the boundary of a given shape. Area is measured in unit²

The polygon can be divided into two equal triangles by drawing a line through A to C. The area of the two triangles is then added together to give the area of the polygon.

area of triangle = 1/2 bh

= 1/2 × 2 × 2

= 2 units²

area of the polygon = 2+2

= 4 units²

therefore the area of the polygon is 4 units²

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Answer: 29x +23

Step-by-step explanation: (2x + 4)(3x + 6) = 6[tex]x^{2}[/tex] + 24x + 24.

(3x - 1)(2x - 1) = 6[tex]x^{2}[/tex] - 5x + 1. 6[tex]x^{2}[/tex] + 24x + 24 - (6[tex]x^{2}[/tex] - 5x + 1) = 29x +23.

Hence, value of variable x in the triangle is 1.9.

The Pythagorean Theorem is a fundamental concept in geometry that relates to the three sides of a right-angled triangle. It states that the square of the hypotenuse (the longest side of a right-angled triangle) is equal to the sum of the squares of the other two sides. It can be expressed as:

a² + b² = c²

where "c" is the length of the hypotenuse and "a" and "b" are the lengths of the right triangle's two shorter sides.

BC²=BD²+DC²

Base of triangle, BC=√10.47²+4.44²

=11.3725

ΔABC and ΔBDC are similar

AB/BD=BC/DC=AC/BC

11.3725/10.47=10.47+x/11.3725

11.3725/10.47=10.47+x

x=1.99

Image is attached below

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After answering the provided question, we can conclude that Therefore, equation the only zero of the function (x-8)³ is x = 8.

An equation in mathematics is a statement that states the equality of two expressions. An equation is made up of two sides that are separated by an algebraic equation (=). For example, the argument "2x + 3 = 9" asserts that the statement "2x + 3" equals the value "9". The goal of equation helping to solve is to determine the value or virtues of the variable in the model) that will allow the equation to be true. Equations can be simple or complex, regular or nonlinear, and include one or more factors. In the equation "x2 + 2x - 3 = 0," for example, the variable x is raised to the second power. Lines are used in many different areas of mathematics, such as algebra, calculus, and geometry.

To find the zeros of the function (x-8)³.

(x-8)³ = 0

∛(x-8)³ = ∛0

x - 8 = 0

x = 8

Therefore, the only zero of the function (x-8)³ is x = 8.

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Answer:

[tex] {(x - 3)}^{2} + {(y + 2)}^{2} = 4[/tex]

The capacity of the pyramid is 96000 cubic meters.

A pyramid is a three-dimensional geometric shape that consists of a polygonal base and triangular faces that meet at a common vertex, also known as the apex. Pyramids can have different shapes of base, such as square, rectangle, triangle, or any other polygon.

The capacity of a pyramid is given by the formula:

(1/3) x base area x height

The base of the pyramid is a square with side length 60 meters, so its area is:

base area = 60² = 3600 square meters

The height of the pyramid is 80 meters.

Therefore, the capacity of the pyramid is:

(1/3) x 3600 x 80 = 96000 cubic meters

So the capacity of the pyramid is 96000 cubic meters.

pyramids can be studied in terms of their surface area, volume, and other properties.

The volume of a pyramid can be found by using the formula V = (1/3)Bh, where B is the area of the base and h is the height of the pyramid.

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There is a building shaped like a square based pyramid. The length of each side of the building' base is 60 meters and the height of the building is 80 meters. What is the capacity of the pyramid?

2nd and 4th

(10²)⁹=10¹⁸

10⁵/10¹⁵ = 10^-10

10⁷ × 10⁶ = 10¹³

you cant apply the laws of exponents where you have + or -

The answer of the given question based on the finding the size of PRO is angle PRO = 180° degrees.

A circle is a closed two-dimensional shape that is formed by a set of points that are all equidistant from a single point called the center. The distance from the center to any point on the circle is called the radius of the circle. A circle can be defined as the locus of all points that are at a fixed distance from a given point in a plane.

Since P, Q, and R are points on a circle with center O, we know that the measure of angle POQ is equal to 360 degrees (the total angle measure of a circle).

Therefore, we have:

angle ∠POR + angle ∠ROQ + angle ∠OPQ = 360° degrees

Since angle ∠OPQ is given as 36° degrees, we can substitute this value in and simplify:

angle ∠POR + angle ∠ROQ + 36 = 360

angle ∠POR + angle ∠ROQ = 324

Now, we use the fact that angles formed by chords that intersect within a circle are equal.

Since PQ is a chord that intersects chord PR at point O, we know that angle ∠POR is equal to angle ∠OQP. Similarly, angle ∠ROQ is equal to angle ∠OPQ.

Substituting these equalities in, we have:

angle ∠OQP + angle ∠OPQ + angle ∠OPQ = 324

2(angle ∠OPQ) + angle ∠OQP = 324

But we also know that the sum of the angles in triangle OPQ is 180° degrees. Thus:

angle ∠OQP + angle ∠OPQ + angle ∠POQ = 180

angle ∠OQP + 36 + 180 = 180

angle OQP = 144° degrees

Therefore, the measure of angle ∠PRO is:

angle ∠PRO = angle ∠POR + angle ∠OQP

angle ∠PRO = angle ∠OQP + angle ∠POR

angle ∠PRO = 144 + 36

angle ∠PRO = 180° degrees

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The answer of the given question based on the finding the size of PRO is angle PRO = 180°.

A circle is a closed, two-dimensional object made up of a collection of points that are all equally spaced apart from the center. The distance from any point on the circle to its center is known as the radius of the circle. The center of every point in a plane that is isolated from another point by a certain distance is referred to as a circle.

Since P, Q, and R are points on a circle with center O, we know that the measure of ∠POQ is equal to 360° (the total angle measure of a circle).

Therefore, we have:

∠POR + ∠ROQ + ∠OPQ = 360°

Since ∠OPQ is given as 36°, we can substitute this value in and simplify:

∠POR + ∠ROQ + 36 = 360°

∠POR + ∠ROQ = 324°

Now, we use the fact that angles formed by chords that intersect within a circle are equal.

Since PQ is a chord that intersects chord PR at point O, we know that ∠POR is equal to angle ∠OQP. Similarly, ∠ROQ is equal to ∠OPQ.

Substituting these equalities in, we have:

∠OQP + ∠OPQ + ∠OPQ = 324°

2(angle ∠OPQ) + ∠OQP = 324°

But we also know that the sum of the angles in triangle OPQ is 180° degrees. Thus:

∠OQP + ∠OPQ + ∠POQ = 180°

∠OQP + 36 + 180 = 180°

∠OQP = 144°

Therefore, the measure of ∠PRO is:

∠PRO = ∠POR + ∠OQP

∠PRO = ∠OQP + ∠POR

∠PRO = 144 + 36

∠PRO = 180°

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The complete question and circle is attached below,

The numbers are [tex]\sqrt[3]{-(89)}[/tex], [tex]-\sqrt{30}[/tex], [tex]15-\sqrt{2}[/tex], [tex]\sqrt[3]{43}[/tex], [tex]\sqrt{71}[/tex], 5.2, and 96 in that order.

To order the given numbers from least to greatest, we need to compare them to each other and arrange them in ascending order. Here's how we can do it:

Start with the smallest number: [tex]\sqrt[3]{-(89)}[/tex]. This is a negative number under the cube root, so it is the smallest among the given numbers.

Next, we have [tex]-\sqrt{30}[/tex]. This is a negative number, but its absolute value is smaller than that of [tex]\sqrt[3]{-(89)}[/tex]. So, it comes next.

After that, we have [tex]15-\sqrt{2}[/tex]. This is a number slightly greater than 13. It is greater than [tex]-\sqrt{30}[/tex] but less than [tex]\sqrt[3]{-(89)}[/tex].

The next number is [tex]\sqrt[3]{43}[/tex]. This is a number between 3 and 4, greater than [tex]-\sqrt{30}[/tex] and [tex]15-\sqrt{2}[/tex].

After that, we have [tex]\sqrt{71}[/tex]. This is a positive number, greater than 8 and less than 9.

Then we have 5.2. This is a number slightly greater than 5, greater than [tex]\sqrt{71}[/tex] and [tex]\sqrt[3]{43}[/tex].

Finally, we have the largest number: 96. This is clearly greater than all the other numbers.

Therefore, the order of the given numbers from least to greatest is:

[tex]\sqrt[3]{-(89)} , -\sqrt{30} , 15-\sqrt{2} , \sqrt[3]{43} , \sqrt{71}, 5.2, 96.[/tex]

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The value of b that makes the expression 9(a+5) and 9(b+a) equivalent is 5.

To make the expression 9(a+5) and 9(b+a) equivalent, we need to find the value of b that makes them equal for all values of a.

We can start by expanding expressions using distributive property of multiplication:

9(a+5) = 9a + 45

9(b+a) = 9b + 9a

Two expressions will be equal if 9a + 45 = 9b + 9a for all values of a.

Simplify this equation by subtracting 9a from LHS and RHS:

45 = 9b

Finally, divide by 9 by b:

b = 5

To make the expressions equivalent, we need to find the value of b that makes 9(a+5) equal to 9(b+a) for all values of a. We can do this by expanding both expressions and equating them, and then solving for b. The value of b that we get is 5, which means that we can rewrite 9(a+5) as 9(5+a) to make it equivalent to 9(b+a).

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Since the volume of the pool is 948.98 gallons gallons and the garden hose can fill 720 gallons in half an hour, it is clear that Ines cannot fill the pool completely before her brother gets home in half an hour.

To determine if Ines has enough time to fill the pool before her brother gets home, we need to calculate the volume of the pool and the amount of water that the garden hose can fill in the given time.

The pool is cylindrical with an outer diameter of 9 ft and a height of 3 ft, which means the radius of the pool is 4.5 ft (half the diameter).

The width of the pool is given as 10 inches, which is 10/12 = 0.83 ft

radius of inner pool = 4.5-0.83 = 3.67 ft

The volume of the pool can be calculated using the formula for the volume of a cylinder:

[tex]V_{pool} = \pi r^2h[/tex]

where π is approximately 3.14, r is the radius, and h is the height.

Substituting the given values, we get:

[tex]V_{pool} = 3.14 * (3.67)^2 * 3[/tex]

[tex]V_{pool} = 126.87 ft^3[/tex]

To convert this volume to gallons, we need to multiply by the conversion factor of 7.48 gallons per cubic foot:

[tex]V_{pool} = 126.87 * 7.48[/tex]

[tex]V_{pool }= 948.98 gallons[/tex]

Now we need to determine how much water the garden hose can fill in half an hour, which is 0.5 hours.

The flow rate of the garden hose is given as 24 gallons per minute, so in half an hour it can fill:

24 gallons/min * 30 min = 720 gallons

Since the volume of the pool is 948.98 gallons gallons and the garden hose can fill 720 gallons in half an hour, it is clear that Ines cannot fill the pool completely before her brother gets home in half an hour.

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The complete question is :

Ines's younger brother will be home in a half hour. If her garden hose flows at a rate 24​ gal/min, does she have enough time to fill the pool before he gets​ home? Explain. ​ (Hint: 1 ft = 7.48 gal)

The probability that at least one calculator will be defective is 0.7305.

The probability that at least one of the calculators is defective can be calculated using the formula:

P(at least one defective calculator) = 1 - P(no defective calculator)

The probability of selecting a defective calculator from the group of defective calculators is 16/46.

Since the calculators are selected randomly, the probability of selecting a non-defective calculator is 30/46.

Therefore, the probability of selecting 4 non-defective calculators from the group of 46 calculators is:

30/46 × 29/45 × 28/44 × 27/43 = 0.2695 (rounded to 4 decimal places)

Using the formula above, we can calculate the probability that at least one calculator will be defective:

P(at least one defective calculator) = 1 - P(no defective calculator)P(no defective calculator)

                                                         = 1- 0.2695 P(at least one defective calculator)

                                                         = 1 - 0.2695

                                                         = 0.7305

for such more question on probability

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Answer:

refer the attachment

Step-by-step explanation:

your answers are

2√3 and 2

Answer:

120°

Step-by-step explanation:

In a quadrilateral, the angle sum is 360°

Therefore,

2t+2t+t+t = 360

6t = 360

t = 360÷6

t= 60°

Now,

Z = 2t

Z = 2 × 60

= 120