According to a paint specialist one needs at least two coats of paint prudence therefore decided that she will paint three coats just to be sure that all areas are covered . Remember that the area that need to be covered is 14.42.how many litres of paint will be needed if one litre of paint covers 8m

Bubba can paint an area of approximately 205,797.10 square meters with a single coating of the 3 gallons of paint, assuming he manages a uniform thickness.

The area that Bubba can paint with a single coating of the 3 gallons of paint, we need to first convert the volume of the paint into liters. As given, 1 gallon is the same as 3.78 liters.
3 gallons x 3.78 liters/gallon = 11.34 liters
Now, we need to use the thickness of the paint to calculate the area that can be covered with this amount of paint. The thickness of the paint is given as 0.0552 mm. We need to convert this to meters so that it is in the same units as the area. 1 mm is equal to 0.001 meters, so:
0.0552 mm x 0.001 meters/mm = 0.0000552 meters

The thickness of the paint in meters. Now we can use the volume and thickness of the paint to calculate the area that can be covered. The formula for this is:
Area = Volume / Thickness
Area = 11.34 liters / 0.0000552 meters
Area = 205,797.10 square meters

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The given statement is incomplete as the significance level is not mentioned. The chi-square value of 29.25 indicates that there is a statistically significant difference between the observed and expected frequencies of the categorical data.

The degrees of freedom in this case are three, which means that the data has been divided into four categories. The exact interpretation of the chi-square value depends on the significance level. If the significance level is 0.05, which is commonly used, then the calculated chi-square value is greater than the critical value of 7.815.

This means that the null hypothesis of no difference between the observed and expected frequencies can be rejected at the 0.05 level of significance. In other words, there is evidence to support the alternative hypothesis that there is a significant difference between the observed and expected frequencies.

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The width of a rectangular frame with a total area of 140 square inches, we set up an equation using the expressions for the length and width, simplify it, solve for x, and substitute the value of x into the expression for the width.

To solve for the width of a rectangular frame with a total area of 140 square inches, we first need to set up an equation using the given expressions for the length and width.
The formula for the area of a rectangle is length x width. Therefore, we can write:
(2x + 10)(2x + 6) = 140
We can then simplify this equation by expanding the expressions in the parentheses:
4x^2 + 32x + 60 = 140
Next, we can move all the terms to one side and simplify further:
4x^2 + 32x - 80 = 0
Now, we can solve for x by factoring or using the quadratic formula. After finding the value of x, we can substitute it into the expression for the width (2x + 6) to get the final answer.

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Proportion of bottles with volumes less than 1,015 ml, we can use the concept of standard deviation and the properties of the normal distribution.

In this case, we have a normally distributed population of bottle volumes with a mean of 1,007 ml and a standard deviation of 6 ml. We want to find the proportion of bottles that have volumes less than 1,015 ml.

The first step is to calculate the z-score, which measures how many standard deviations a value is from the mean. We can use the formula:

z = (x - μ) / σ

where x is the value we are interested in (1,015 ml), μ is the mean (1,007 ml), and σ is the standard deviation (6 ml).

Substituting the values into the formula, we get:

z = (1,015 - 1,007) / 6

Simplifying the equation:

z = 8 / 6

z ≈ 1.33

Next, we need to find the proportion of bottles with volumes less than 1,015 ml. We can use a standard normal distribution table or a calculator to find the corresponding cumulative probability for a z-score of 1.33.

Looking up the value in the table or using a calculator, we find that the cumulative probability for a z-score of 1.33 is approximately 0.9088.

This means that approximately 90.88% of the bottles have volumes less than 1,015 ml.

The correct answer is not 0.6293, but approximately 0.9088 or 90.88%.

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Answer:

The answer is 37 + 28 + 31 =96

Step-by-step explanation:

Hope this helps!

Step-by-step explanation:

SA = 2 ( 3x6 + 6x3 + 3x3) = 90   ft^2     now double everything

SA = 2 ( 6x12 + 12 x6 + 6x 6 ) = 360   ft^2     FOUR times larger SA

Answer:

  (c)  4

Step-by-step explanation:

You want the scale factor that dilates point A(1, 1) to point A'(4, 4).

Dilation about the origin multiplies each coordinate value by the scale factor. That factor is ...

  k = A'/A = (4, 4)/(1, 1) = 4

The dilation scale factor is 4.

__

Additional comment

You will notice the same scale factor can be computed from any corresponding pair of points:

  k = A'/A = B'/B = C'/C = D'/D = 4

<95141404393>

If the shown angles are equal (corresponding angles), then lines u and v are parallel.

65 = 12x + 5

60 = 12x

5 = x

So when x = 5, lines u and v are parallel.

To find the combined probability of both events occurring, multiply the individual probabilities: (1/2) * (1/2) = 1/4.
Therefore, the probability of getting a head and an even number is 1/4 or 25%.

The probability of flipping a head on a coin is 1/2. The probability of rolling an even number on a die is 1/2, since there are three even numbers (2, 4, 6) out of a total of six possible outcomes. Therefore, the probability of getting both a head and an even number is (1/2) x (1/2) = 1/4. In other words, there is a 25% chance that the outcome will consist of a head and an even number.
It's important to note that the outcome of the coin toss and the die roll are independent events. This means that the outcome of one event does not affect the outcome of the other event. So even if you flip a tail on the coin, there is still a 1/2 chance of rolling an even number on the die.
Overall, the probability of getting a head and an even number is relatively low at only 1/4. However, it's important to remember that probability is simply a measure of likelihood, and even events with low probability can still occur.
The probability of an outcome consisting of a head and an even number when a coin is tossed and a die is rolled can be determined by finding the individual probabilities and multiplying them.
For the coin, there are two possible outcomes: heads (H) and tails (T). The probability of getting a head is 1/2.
For the die, there are six possible outcomes: 1, 2, 3, 4, 5, and 6. The even numbers are 2, 4, and 6. The probability of rolling an even number is 3/6 or 1/2.
Now, to find the combined probability of both events occurring, multiply the individual probabilities: (1/2) * (1/2) = 1/4.
Therefore, the probability of getting a head and an even number is 1/4 or 25%.

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To find half of the time that Arnold skied without falling, we first need to know how much time he spent skiing in total and how many times he fell. Let's assume that Arnold skied for a total of T minutes and fell F times. Then the time that Arnold skied without falling is (T - F * f), where f is the average time it takes Arnold to get up and start skiing again after a fall.

To find half of the time that Arnold skied without falling, we can simply divide (T - F * f) by 2. Let's call this value H. Then we have:

H = (T - F * f) / 2

To compare Arnold's skiing time with that of other family members who did not fall, we need to make some assumptions. Let's assume that each family member skied for a total of T minutes, and that some of them did not fall at all. Let's call the time that each family member skied without falling Ti.

Then we can write the following inequalities to compare Arnold's skiing time with that of others:

Arnold's skiing time without falling (H) is greater than or equal to the skiing time without falling of any family member Ti who fell at least once:

H >= Ti

Arnold's skiing time without falling (H) is less than or equal to the skiing time without falling of any family member who did not fall at all:

H <= T.

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Answer:

a) 24/36 = 2/3 = w/6, so w = 4 inches

The maximum length of this postcard is 6 inches since the width is 4 inches.

b) 24/36 = 2/3 = w/11.5, so w = 7.67 inches

(won't work)

24/36 = 2/3 = 6.125/l, so

l = 9.1875 inches

The maximum width of this postcard is 6.125 inches since the length is 9.1875 inches.

For the binomial hypothesis test, the null distribution is assumed to follow a binomial distribution with a specified value of p. In this case, since the ecologist hypothesizes that 40% of the plants are liverworts, the null distribution will be binomial(35, 0.40).

The value of p in the binomial distribution represents the probability of success (in this case, the probability of selecting a liverwort plant) under the null hypothesis. Therefore, in this hypothesis test, the value of p is 0.40, as specified in the ecologist's hypothesis.

By assuming a binomial distribution with p = 0.40, the ecologist can compare the observed proportion of liverworts in the sample to the expected proportion under the null hypothesis to evaluate whether there is evidence to support or reject the hypothesis.

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The sides of the right triangle are

hypotenuse = 8.6 km

the other leg = 3.1 km

the other angle = 21°25'

The sides of the right triangle are solved using the given details

The third angle say A is solved by

third angle = 180 - 90 - 68°35'

third angle = 21°25'

The sides, a

tan 21°25' = a / 8

a = 8 * tan 21°25'

a = 3.13

a = 3.1

The hypotenuse (say c) is solved by

c = √(a² + b²)

c = √(3.1² + 8²)

c = √(73.61)

c = 8.58

c = 8.6

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The general solution of the given system of differential equations is:

y = -37 × (1/2)x² + 5x + C, where C is the constant of integration.

The general solution of a system of derivative equations refers to a set of equations or formulas that represent all possible solutions of the given system. It includes an arbitrary constant or constants, which can take different values to yield different specific solutions.

The form of the general solution depends on the nature of the equations and the techniques used to solve them.

Here we have

dx/dt = 7x + y and dy/dt = -2x + 5y

To find the general solution of the given system of differential equations:

=> dx/dt = 7x + y  __ (1)

=> dy/dt = -2x + 5y  __(2)

Solve it using the method of simultaneous equations.

Solve Equation (1) for y:

y = dx/dt - 7x

Substitute the value of y in Equation (2):

dy/dt = -2x + 5(dx/dt - 7x)

Simplify the equation:

dy/dt = 5dx/dt - 2x - 35x

dy/dt = 5dx/dt - 37x

Rearrange the equation:

dy/dt - 5dx/dt = -37x

Multiply through by dt:

dy - 5dx = -37x dt

Integrate both sides of the equation:

∫(dy - 5dx) = ∫(-37x) dt

Integrate each term:

y - 5x = -37 * (1/2)x² + C

Simplify the equation:

y = -37 × (1/2)x² + 5x + C

Therefore,

The general solution of the given system of differential equations is:

y = -37 × (1/2)x² + 5x + C, where C is the constant of integration.

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Drawing 31 tokens ensures that you have at least one odd token, by the Pigeonhole Principle.

To be certain you get at least one token that is odd, you need to draw enough tokens to ensure that you exhaust all possible even numbers. Since there are 30 even numbers between 0 and 60, it follows that you must draw 31 tokens to be certain you get at least one that is odd.

This is known as the Pigeonhole Principle, which states that if there are n pigeonholes and n+1 pigeons, then at least one pigeonhole must contain more than one pigeon. In this case, the even numbers represent the n pigeonholes and the odd numbers represent the n+1 pigeons.

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Step-by-step explanation:

The mean is 78

   87 is 9 points above the mean

      this is   9 / 6.5  = + 1.39  standard deviations above the mean

                     z -score =+ 1.39 which represents .9177 ( from table )

or    91.77% scored LESS than this

           the remaining 8.23% scored HIGHER than this

                     8.23% * 25 students = .0823 * 25 = ~ 2 students

Answer:

Step-by-step explanation:

You want the values of C and 'a', given the graph of y = C·a^x.

When x = 0, ...

  y = C·a^0 = C·1 = C

The graph shows y = 1 when x = 0, so C = 1.

When x = 1, ...

  y = C·a^1 = C·a = 1·a = a

The graph shows y = 4 when x = 1, so a = 4.

#95141404393

The value of the variable are; C = 1 and a = 4

If we know that the function crosses the x axis at some point, then for some polynomial functions, we have those as roots of the polynomial.

We want the values of C and 'a', given the graph of y = C·a^x.

To find the Values of y

When x = 0,   y = C·a^0 = C·1 = C

The graph shows that y = 1 when x = 0, so C = 1.

When x = 1, then y = C·a^1 = C·a = 1·a = a

The graph shows that y = 4 when x = 1, so a = 4.

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Answer:

−2/3 (10x3 ( raised to the third power) −9 +69)

Step-by-step explanation:

Answer:

(x + 1)² + (y - 9)² = 4²

Step-by-step explanation:

equation of circle is (x - a)² + (y - b)² = r²

where a is x-coordinate of centre of circle, b is y-coordinate of centre of circle, r is the radius. radius = half of diameter.

(x - -1)² + (y - 9)² = 4²

(x + 1)² + (y - 9)² = 4²

Answer:

(x + 1)² + (y - 9 )² = 43

Step-by-step explanation:

got it right on my test!

The solution is: the approximate surface area of the cone is 103.6 in², which is closest to option (B).

To find the exact surface area of the cone, we need to know the slant height of the cone. Since we are not given the slant height, we can use the Pythagorean theorem to find it:

Slant height² = h² + r²

Slant height² = 4² + 3²

Slant height² = 16 + 9

Slant height² = 25

Slant height = 5

Now that we know the slant height, we can use the formula for the surface area of a cone:

Surface area = πr² + πr×s

where s is the slant height

Surface area = π(3²) + π(3)(5)

Surface area = 9π + 15π

Surface area = 24π

Therefore, the exact surface area of the cone is 24π square units.

The surface area of a cone is given by:

Surface area = πr² + πr×s

where r is the radius of the circular base and s is the slant height.

We are given that the diameter of the circular base is 6 inches, so the radius is 3 inches. We are also given that the slant height is 8 inches. Using these values, we can calculate the surface area of the cone:

Surface area = π(3²) + π(3)(8)

Surface area = 9π + 24π

Surface area = 33π

We can approximate π as 3.14, so:

Surface area ≈ 33(3.14)

Surface area ≈ 103.62

Therefore, the approximate surface area of the cone is 103.6 in², which is closest to option (B).

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complete question:

PLEASE ANSWER THESE QUESTIONS THROUGHLY FOR BRAINLIEST!!

1.)

In this figure, h = 4, and r = 3.

What is the exact surface area of the cone?

(picture inserted below!!!!)

2.)

The diameter of a cone's circular base measures 6 inches, and the slant height of the cone is 8 inches.

What is the approximate surface area of the cone?

94.2 in²

103.6 in²

131.9 in²

257.5 in²

3.)

The slant height of a cone measures 15 centimeters. The height of the cone measures 12 centimeters.

What is the exact surface area of the cone?

4.)

The radius of the circular base of a cone measures 1.6 inches, and its slant height measures 2.5 inches.

What is the approximate lateral area of the cone?

Use π≈3.14.

round to the nearest tenth.

5.) The area of the circular base of a cone is 9π cm², and the slant height of the cone is four times the radius of the cone.

What is the approximate lateral area of the cone?

Use π≈3.14.

round to the nearest whole number.

Answer:

xy=k

-2×4=k

k=-8

y=-8/x

If you know 2π is 360°, you can solve for 60°. 180 is half of 360, so π.

For converting 60 degrees to radians:

60×[tex]\frac{Pie}{180}[/tex] = π/3

60 degrees in radians is π/3

Hope it helps!

Answer: The word "symbolism" contains 9 letters. To find the number of distinguishable ways to rearrange these letters, we can use the formula for the number of permutations of n objects, which is n! (n factorial).

However, in this case, there are repeated letters, specifically "s" and "m". To account for this, we need to divide the total number of permutations by the factorials of the number of times each repeated letter appears.

The letter "s" appears twice, so we divide by 2!. Similarly, the letter "m" also appears twice, so we divide by 2!.

Therefore, the number of distinguishable ways to rearrange the letters in the word "symbolism" is:

9! / (2! × 2!) = 362,880 / 4 = 90,720

So there are 90,720 distinguishable ways to rearrange the letters in the word "symbolism".

Answer:

18 + 30 + 57 + 30 + 15 = 150

P(1) = 18/150 = 3/25 = .12 = 12%

The probability that a teenager has exactly 1 pair of shoes in their closet is [tex]\( \dfrac{3}{25} \)[/tex].

Given the distribution:

Pairs of Shoes | Frequency

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

1             | 18

2             | 30

3             | 57

4             | 30

5             | 15

The frequency of teenagers with exactly 1 pair of shoes is 18.

The total number of teenagers is the sum of all the frequencies:

Total number of teenagers = 18 + 30 + 57 + 30 + 15

                                             = 150

Now, the probability:

[tex]\[ P(1) = \frac{\text{Number of teenagers with exactly 1 pair of shoes}}{\text{Total number of teenagers}} = \frac{18}{150} \][/tex]

[tex]\[ P(1) = \frac{3}{25} \][/tex]

So, the probability is [tex]\( \dfrac{3}{25} \)[/tex].

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Answer:

The correct answer is option D: 4x² - 13x + 3.

Step-by-step explanation:

To expand the expression (4x - 1)(x - 3), we use the distributive property of multiplication.

Let's multiply each term of the first expression (4x - 1) by each term of the second expression (x - 3):

(4x - 1)(x - 3) = 4x(x) - 4x(3) - 1(x) - 1(-3)

Now, simplify each term:

= 4x^2 - 12x - x + 3

Combining like terms:

= 4x^2 - 13x + 3

Therefore, the expanded form of (4x - 1)(x - 3) is 4x^2 - 13x + 3.

The correct answer is option D: 4x² - 13x + 3.

Answer: 5 hours

Step-by-step explanation:

Since Chau works at a constant rate, we need to first find the unit price. We can do this by dividing 119/7 which equals 17. So Chau earns $17 per hour. Next we need to find how long he needs to work to earn $85. We can do that by dividing 85/17 which equals 5 hours.

So the answer is 5 hours.

The product of 8759 x 2391 x 2391 x 7759 is 388,895,526,171,961.

To find the product of 8759 x 2391 x 2391 x 7759, we can use the associative property of multiplication. This property states that the way in which we group the factors does not affect the result of the multiplication.

So, we can group the factors in pairs and multiply each pair together before multiplying the products. Let's start with 8759 x 7759 and then multiply the products of 2391 x 2391.

8759 x 7759 = 67,907,881
2391 x 2391 = 5,716,881

Now, we can multiply these two products together to get the final result.

67,907,881 x 5,716,881 = 388,895,526,171,961

Therefore, the product of 8759 x 2391 x 2391 x 7759 is 388,895,526,171,961.

Using the associative property of multiplication can make it easier to find the product of a large number of factors. By grouping the factors in pairs and multiplying each pair together, we can simplify the problem and make it more manageable.

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By constructing these arcs and connecting the appropriate points, we ensure that the newly drawn line passing through point C is parallel to line AB. Remember to use a straightedge to draw the lines accurately and ensure that the arcs intersect correctly.

To construct a line that passes through point C and is parallel to line AB, the best next step is to use a compass to mark an arc centered at point C that intersects line AB at two distinct points.

Here are the steps:

1) Take a compass and set its width to a convenient distance.

2) Place the compass point on point C and draw an arc that intersects line AB at two different points, let's call them D and E.

3) With the compass width still set, place the compass point on point D and draw an arc that intersects the previously drawn arc.

4) Without changing the compass width, place the compass point on point E and draw another arc that intersects the previous arc.

5) Label the point where the two new arcs intersect as F.

6) Draw a straight line passing through point C and point F. This line will be parallel to line AB.

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Answer:

5,428.67 inches^2

Step-by-step explanation:

for finding the surface area of a sphere, the formula is:

A = 4(pi)r^2

r = 24 in

we just fill in the equation and get a total surface area of around 7238.23 inches^2

next, we find one percent of this by dividing by 100.

7238.23 / 100 = 72.3823

multiply this by 75

72.3823 x 75 = 5428.6725

so the answer is this rounded to be approximately 5,428.67 inches^2