Inayah claims that the pool is draining at a rate of 1. 36% per hour

The probability that both events will occur is 0.22.

To work out the probability that both events occur, first, we shall calculate the probability of each event and then apply the multiplication operation on both.

Since there are 2 ways to get a 1 or 2 out of the 6 possible outcomes for a single roll of die, the probability of rolling a 1 or 2 on the first die = 2/6, or 1/3,

And the probability of rolling a 4 or less on the second die = 4/6, or 2/3, as 4 ways to get a number 4 or less from the 6 possible outcomes for single roll of die.

We would multiply the probabilities to find the probability of both events:

P(A and B) = P(A) * P(B) = (1/3) * (2/3) = 2/9 = 0.2222.

Therefore, the probability that both events A and B occur = 0.22 (rounded to the nearest hundredth).

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The angle of elevation of the hill to the nearest degree is 44°.

The angle of elevation is the angle formed between the horizontal and an observer's line of sight to an object that is located above the observer. In this case, Tina is standing at the bottom of the hill and looking up at Matt who is standing on the hill. When Tina's line of sight is perpendicular to her body, she is looking at Matt's shoes.

This means that the line of sight forms a right angle with the ground.

To find the angle of elevation, we can use trigonometry. We know that the opposite side is the height of the hill (from Matt's shoes to the top of the hill), which is not given in the problem. However, we can use the Pythagorean theorem to find it.

Let h be the height of the hill. Then,

h^2 = (14.5)^2 - (5)^2
h^2 = 198.25
h ≈ 14.1 feet

Now, we can use the tangent function to find the angle of elevation.

tan θ = opposite/adjacent = h/14.5
tan θ = 14.1/14.5
θ ≈ 44.2°

Therefore, the angle of elevation of the hill to the nearest degree is 44°. This means that the hill slopes upward at an angle of 44° from the ground, as viewed from Tina's position at the bottom.

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Answer:

C. The distributive property

Answer:

156 bundles

Step-by-step explanation:

Total area of the roof = 2(70 x 30) = 4200 sf  

(4200 sf) / (27sf/bundle) = 155.56 ≈ 156 bundles

The correct expression for the volume of the prism is:

V = (1/2)(x)(x + 7)(x + 1)

This expression is derived from the formula for the volume of a prism, which is V = Bh, where B is the area of the base and h is the height of the prism. For a right triangle base, the area is equal to half the product of the base and height, or (1/2)(b)(l). Substituting the given values, we get:

B = (1/2)(x)(x + 7)

h = x + 1

Multiplying B and h together and simplifying, we get:

V = (1/2)(x)(x + 7)(x + 1)

Therefore, this is the correct expression for the volume of the given prism.

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You can use one of the following properties to prove that a triangle is isosceles without knowing the measure of each side.

Angle-Angle (AA): A triangle is equal if two angles of one triangle meet (equal in measure) two angles of another triangle. For an isosceles triangle, if you can prove that two angles are equal, then the triangle must be an isosceles triangle. This is because two right angles are the defining feature of an isosceles angle, as opposed to two congruent sides.

Base Angles: If the base angles of a triangle are equal (equal in measure), then the triangle is isosceles. This is because in an isosceles triangle, the base angles are always congruent.

Vertex angle bisection: If the vertex angle bisector of a triangle is also a perpendicular bisector of the opposite side (base), then the triangle is isosceles. This is because in an isosceles triangle, the two sides of the vertex angle always bisect the base and are perpendicular.

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The residual for the amount of monthly interest paid on a loan after 30 months is $0.13.

To find the residual, we need to compare the actual value of monthly interest paid after 30 months with the predicted value based on the regression equation.

The regression equation is:

monthly interest = 968 - 3.34x

To find the predicted value for 30 months, we substitute x = 30 into the equation:

monthly interest = 968 - 3.34(30) = 865.8

So the predicted value for monthly interest after 30 months is $865.8.

The residual is the discrepancy between the actual and expected values:

residual = actual value - predicted value

residual = $865.93 - $865.8 = $0.13

Therefore, the residual for the amount of monthly interest paid on a loan after 30 months is $0.13.

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Density of liquid b = 0.4 g/cm³.

Let the volume of liquid B added be V cm³.

The total volume of the mixture = Volume of A + Volume of B = 150 + V cm³

Using the formula:

Density = Mass/Volume

Density of C = (Mass of C) / (Volume of C)

1.1 = 220 / (150 + V)

Solving for V, we get:

V = 100 cm³

Therefore, the volume of liquid B added is 100 cm³.

The total mass of the mixture = Mass of A + Mass of B = (Density of A x Volume of A) + (Density of B x Volume of B)

220 = (1.2 x 150) + (Density of B x 100)

Solving for Density of B, we get:

Density of B = (220 - 180) / 100 = 0.4 g/cm³

Therefore, the density of liquid B is 0.4 g/cm³.

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Answer:

To determine the equation of the function shown on the graph, we need to analyze its characteristics. From the graph, we can see that the function passes through the point (2, 0) and has a vertical asymptote at x = 1. This information allows us to conclude that the function is a transformation of the parent function g(x) = log2 x. Specifically, it appears to be a horizontal compression and a vertical translation.

To find the equation of the function, we can start by applying the horizontal compression. Let k be the compression factor, then the function can be written as f(x) = log2(kx). Next, we can apply the vertical translation by adding or subtracting a constant, let h be the vertical shift, then the equation becomes f(x) = log2(kx) + h.

To determine the values of k and h, we can use the point (2, 0) and the fact that the vertical asymptote is at x = 1. Setting k = 1/2 since 2k = 1 (corresponding to a horizontal compression by a factor of 1/2), we can find h by substituting the point (2,0) into the equation and solving for h:

0 = log2(1) + h

h = 0

Therefore, the equation of the function shown on the graph is f(x) = log2(1/2 x), which can also be written as f(x) = log2(x) - 1.

Answer:

log2 (x - 3) - 2

Step-by-step explanation:

When x = 4

log2 of (4 - 3) - 2

= log2 1 - 2

= 0 - 2

So we have the point

(4, -2)

and when x = 7

we have y = log2(7-3) - 2

= log2 4 - 2

= 2-2

= 0

- so we have the poin7 (7,0)

Answer:2.78

Step-by-step explanation:

the probability of rolling a 5 on a six-sided die and then rolling a 2? The chances of rolling a 5 on the first die is 1 in 6. The chances of rolling a 2 on the second roll in 1 in 6. So the probability of a 5, then a 2, is 1 in 36.

We can see that this gives us the exact same answer as the first method: 1/36 as a percentage is 2.78%.

Answer:

A) [tex]2.78\%[/tex]

Step-by-step explanation:

Assuming that Chris throws two standard dices (meaning 6 sides, with the sides numbered as 1, 2, 3, 4, 5, 6, respectively). There is one chance of the dice landing on a 5 for both dices, and presuming that the dices do not hit each other, would be independent variables. This means that there is a 1/6 chance for both:

[tex]\frac{1}{6} * \frac{1}{6} = \frac{1}{36}[/tex]

Change the fraction to a percentage. Divide and solve for a decimal. Then, move the decimal point to the left two place values, and you will obtain your percentage:

[tex]\frac{1}{3} = 0.02777 = 2.777\%[/tex]

You are rounding to the nearest tenth place value (2nd place value right of the decimal point):

[tex]2.777\% = 2.78\%[/tex]

[tex]2.78\%[/tex] is your answer, or A).

~

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Answer:

11.86 units

Step-by-step explanation:

Volume = length x width x height

We know that the volume is 210 and the width is 5 3/5 (or 5.6) and the height is 3 1/3 (or 3.33).

Substituting these values into the formula, we get:

210 = length x 5.6 x 3.33

To solve for the length, we can divide both sides of the equation by (5.6 x 3.33):

length = 210 / (5.6 x 3.33)

Simplifying this expression, we get:

length ≈ 11.86

Therefore, the length of the large box is approximately 11.86 units.

Answer:

6:45pm

Step-by-step explanation:

Given: The time is currently 9:45am

To find: The time in 9 hours

To do this, we have to add 9 hours to 9:45am.

9:45am+9 hours=

6:45pm

Hope this helps! :)

Formula for the volume of a cylinder = pi x r^2 x h

---r = radius

---h = height

This problem gives us the diameter. To find the radius from a given diameter, all we need to do is divide the diameter by 2.

radius = 3

height = 22

volume = 3.14 x 3^2 x 22

volume = 3.14 x 9 x 22

volume = 621.72

volume (rounded) = 622

Answer: 622 m^3

Hope this helps!

Derivative of y w.r.t t is dy/dt = 16 at x = -1.

We need to find dy/dt at x = -1, given y = -2x² + 4 and dx/dt = 4.

Step 1: Differentiate y with respect to x.
Since y = -2x² + 4, we have:

dy/dx = -4x

Step 2: Substitute x = -1 into the dy/dx equation.
When x = -1, we get:

dy/dx = -4(-1) = 4

Step 3: Use the Chain Rule to find dy/dt.
The Chain Rule states that dy/dt = (dy/dx)(dx/dt). We know dy/dx = 4 and dx/dt = 4, so we have:

dy/dt = (4)(4) = 16

Thus, dy/dt = 16 at x = -1.

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Type I error in this situation would mean option a. Concluding that the bags are being under filled when they actually aren't.

A Type I error occurs when the null hypothesis (in this case, that the true mean net weight is 14 ounces) is rejected when it is actually true. In other words, it is the error of concluding that there is evidence for the alternative hypothesis (that the true mean net weight is less than 14 ounces) when there is not.

In this situation, if a Type I error is made, it would mean that the bags are being under filled (i.e. the true mean net weight is less than 14 ounces) when in reality they are not. This would lead to incorrect conclusions and potentially negative consequences for the manufacturer.

It's important to note that the probability of making a Type I error can be controlled by choosing an appropriate level of significance (usually denoted by alpha) for the hypothesis test. For example, if alpha is set at 0.05, there is a 5% chance of making a Type I error.

In summary, a Type I error in this situation would mean incorrectly concluding that the bags are being under filled when they actually are not, and the probability of making such an error can be controlled by choosing an appropriate level of significance for the hypothesis test.

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The velocity at time t is 56 + 6 m/s, the velocity at time t = 3 seconds is 62 m/s, the acceleration at time t is 0 m/s², and the acceleration at time t = 3 seconds is 0 m/s².

Hi, I can help you with your question involving acceleration, time, and a particle.

(a) To find the velocity at time t (v(t)), take the first derivative of the position function f(t) = 56t + 6t + 9.

v(t) = d(56t + 6t + 9)/dt = 56 + 6

(b) To find the velocity at time t = 3 seconds, plug in t = 3 into the velocity function:

v(3) = 56 + 6 = 62 m/s

(c) To find the acceleration at time t (a(t)), take the first derivative of the velocity function v(t) = 56 + 6:

a(t) = d(56 + 6)/dt = 0

(d) To find the acceleration at time t = 3 seconds, since the acceleration is constant (a(t) = 0), it remains the same for all time:

a(3) = 0 m/s²

So, the velocity at time t is 56 + 6 m/s, the velocity at time t = 3 seconds is 62 m/s, the acceleration at time t is 0 m/s², and the acceleration at time t = 3 seconds is 0 m/s².

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The value of c that makes the two expressions equivalent is -20.74.

Let's start by simplifying the expression 6.1(2x - 3.4). To do this, we use the distributive property of multiplication, which states that a(b + c) = ab + ac. Applying this to our expression, we get:

6.1(2x - 3.4) = 6.1(2x) - 6.1(3.4) = 12.2x - 20.74

Now we can rewrite the equation we want to solve as:

12.2x + c = 12.2x - 20.74

To solve for c, we need to isolate it on one side of the equation. We can do this by subtracting 12.2x from both sides:

c = -20.74

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The slope of the line is 5,520 and it means the price of the diamond increases at a rate of 5,520 per diamond's weight.

In Mathematics and Geometry, the slope-intercept form of the equation of a straight line is given by this mathematical equation;

y = mx + c

Where:

Based on the information provided about this situation, it can be modeled by this linear equation:

y = mx + c

y = 5,520x - 1,091

By comparison, we have the following:

Slope, m = 5,520.

y-intercept, c = -1,091.

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Complete Question:

The function described by the equation y =5,520x - 1,091 is a model of the relationship between a diamond's weight and its price. What does the slope of the line mean in the context of this problem?

Area of a circle = pi x r^2

---For the purposes of this problem, pi = 3.14

2122.64 = (3.14)(r^2)

676 = r^2

r = 26 cm

Diameter = 2 x radius

diameter = 2 x 26

diameter = 54 cm

Answer: diameter = 54 cm

Hope this helps!

Substituting these values into the expression for f(θ), we get:
f(θ) = -sin(θ) - cos(θ) + 5θ + 4

To find f, we need to integrate f''(θ) twice.

First, we integrate sin(θ) + cos(θ) with respect to θ to get f'(θ):

f'(θ) = -cos(θ) + sin(θ) + C1
where C1 is the constant of integration.
Next, we integrate f'(θ) with respect to θ to get f(θ):

f(θ) = -sin(θ) - cos(θ) + C1θ + C2

where C2 is the constant of integration.

Using the initial conditions given, we can solve for C1 and C2:
[tex]f(0) = -1 - 1 + C2 = 2[/tex]
C2 = 4
f'(0) = -1 + 0 + C1 = 4

C1 = 5

Substituting these values into the expression for f(θ), we get:
f(θ) = -sin(θ) - cos(θ) + 5θ + 4

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Answer:

3.819inch

Step-by-step explanation:

Circumference(C)=24inch

radius(R)=?

Now,

C=2piR

24=2piR

12=piR

12/pi=R

R=3.819

Since sin(a) is negative and a is in the third quadrant, we can use the Pythagorean identity to find cos(a):

[tex]cos^2(a) + sin^2(a) = 1[/tex]

[tex]cos^2(a) + (-4/5)^2 = 1[/tex]

[tex]cos^2(a) = 9/25[/tex]

cos(a) = -3/5 (since a is in the third quadrant)

Similarly, since sec(B) = 5/3, we can use the definition of secant to find cos(B):

sec(B) = 1/cos(B) = 5/3

cos(B) = 3/5

(a) To find sin(a + B), we can use the sum formula for sine:

sin(a + B) = sin(a) cos(B) + cos(a) sin(B)

= (-4/5)(3/5) + (-3/5)(4/5)

= -12/25 - 12/25

= -24/25

(b) To find tan(a + B), we can use the sum formula for tangent:

tan(a + B) = (tan(a) + tan(B)) / (1 - tan(a) tan(B))

To find tan(a), we can use the identity: [tex]tan^2(a) + 1 = sec^2(a)[/tex]

[tex]tan^2(a) = sec^2(a) - 1 = (5/3)^2 - 1 = 16/9[/tex]

tan(a) = -4/3 (since a is in the third quadrant)

To find tan(B), we can use the identity: tan(B) = sin(B) / cos(B) = 4/3

Plugging these values into the formula for tan(a + B), we get:

tan(a + B) = (-4/3 + 4/3) / (1 + (-4/3)(4/3))

= 0 / (1 - 16/9)

= 0

(c) To determine the quadrant containing a + B, we need to consider the signs of sin(a + B) and cos(a + B).

From part (a), we know that sin(a + B) is negative. To determine the sign of cos(a + B), we can use the Pythagorean identity:

[tex]sin^2(a + B) + cos^2(a + B) = 1[/tex]

Substituting sin(a + B) = -24/25, we get:

[tex](-24/25)^2 + cos^2(a + B) = 1[/tex]

[tex]cos^2(a + B) = 1 - (-24/25)^2[/tex]

cos(a + B) = ±7/25

Since cos(a + B) is positive in the first and fourth quadrants, and negative in the second and third quadrants, we can conclude that a + B is in the third quadrant, since cos(a + B) is negative and sin(a + B) is negative.

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If a rectangular piece of cardboard with dimensions 5 inches by 8 inches is used to make the curved side of a cylinder-shaped container, the greatest volume the cylinder can hold is 80/π cubic inches.

To find the greatest volume the cylinder can hold, we need to determine the dimensions of the cylinder that can be made from the given cardboard.

First, we need to calculate the circumference of the cylinder using the length of the cardboard, which will be the height of the cylinder. The length of the cardboard is 8 inches, so the circumference of the cylinder will be 8 inches.

The circumference of a cylinder is given by the formula C = 2πr, where r is the radius of the cylinder.

Therefore, 8 = 2πr, or r = 4/π inches.

Next, we need to determine the length of the curved side of the cylinder, which is given by the formula L = 2πr.

So, L = 2π(4/π) = 8 inches.

Finally, we can calculate the volume of the cylinder using the formula V = πr²h, where h is the height of the cylinder, which is 5 inches.

V = π(4/π)²(5) = 80/π cubic inches.

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The average wage for receptionists in this group is $11.60

It's important to note that "average wage" can be calculated in a few different ways, such as mean, median, and mode. Mean is the sum of all wages divided by the number of individuals, while median is the middle value in a range of wages. Depending on which method is used, the average wage figure can vary.

The table of hourly wages for receptionists working for various companies, the average wage for receptionists in this group will be:

= $58 / 5

= $11.60

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The height of the funnel is 11.31, under the condition that one funnel has a base with a diameter of 8 in. And a slant height of 12 in.

Here we have to apply the Pythagorean theorem to evaluate the height of the funnel. The Pythagorean theorem projects that the square of the hypotenuse (the slant height) is equal to the sum of the squares of the other two sides (the radius and height).

Now, we have a cone that has a base diameter of 8 inches which says that the radius is 4 inches. The slant height is 12 inches. Then the height is
h² + r² = l²
h² + 4² = 12²
h² = 144 - 16
h² = 128
h = √(128)
h ≈ 11.31

Hence, 11.31 inches is the approximate height of the funnel after rounding to the nearest hundredth.
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Answer:

$64

Step-by-step explanation:

This would be the answer because if we figure out what needs to be added to -21 to reach 43 we get 64.

(-21+64 - $43.)

Have a blessed day! Also brainliest would be appreciated :)

Jack can sell 12 bird feeders with 4 lb of birdseed. We can use Proportion method to calculate this :

Assuming that Jack mixes 1/3 pound of birdseed for each bird feeder, we can find out how many bird feeders he can sell with 4 pounds of birdseed by using a proportion.

Let x be the number of bird feeders Jack can make with 4 pounds of birdseed. We can set up the proportion:

1/3 pounds of birdseed per bird feeder = 4 pounds of birdseed / x bird feeders.

Simplifying this equation, we get:

1/3 = 4/x

To solve for x, we can cross-multiply:

1x = 12

x = 12

Therefore, Jack can make and sell 12 bird feeders with 4 pounds of birdseed.

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Since X cannot be negative (as it is a side length), we only need to consider the inequalities X > 3 and 13 > X. Therefore, the range of possible lengths for the missing side, X, is between 3 inches and 13 inches (not inclusive).

To find the range of possible lengths for the missing side, X, we need to use the Triangle Inequality Theorem.

This theorem states that the sum of the lengths of any two sides of a triangle must be greater than the length of the third side.

In this case, the two given side lengths are 5 inches and 8 inches.
Let's find the range of possible lengths for the missing side, X, using the theorem:
1. 5 + 8 > X
  13 > X
2. 5 + X > 8
  X > 3
3. 8 + X > 5
  X > -3.

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6.2 × 10⁴ in decimal notation is simply 62,000.

In scientific notation, a number is expressed as the product of a decimal number between 1 and 10 and a power of 10.

Now, let's talk about converting a number in scientific notation to decimal notation. Decimal notation simply means expressing a number in the standard way, using digits and a decimal point. To convert a number in scientific notation to decimal notation, we just need to evaluate the product of the decimal number and the power of 10.

In the case of 6.2 × 10⁴, the decimal number is 6.2, and the power of 10 is 4. To evaluate the product, we simply move the decimal point in 6.2 four places to the right, since the power of 10 is positive. This gives us:

6.2 × 10⁴ = 62,000

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Complete Question:

Convert to decimal notation: 6.2 × 10⁴