Please help! What is 7 days 8 hours 20 minutes minus 4 days 10 hours 30 minutes?
A. 2 days 21 hours 50 minutes
B. 3 days 2 hours 10 minutes
C. 7 days 8 hours 20 minutes
D. 11 days 8 hours 50 minutes
E. none of these

Factors whose values come about because of counting or estimating something are Quantitative Variables

While factors that are not estimation factors their qualities don't come about because of estimating or counting are Qualitative Variables.

Quantitative variables are any factors where the information address sums (for example level, weight, or age). Absolute factors are any factors where the information address gatherings. This incorporates rankings (for example completing spots in a race), groupings (for example brands of oat), and paired results (for example coin flips).

A qualitative variable is a variable describing a characteristic. Qualitative variables are also sometimes referred to as categorical variables because they can be separated into categories. Qualitative variables are often descriptive but can sometimes be given a numeric value. For example, a dataset may represent the color of a person's eyes by numbers such as 1, 2, and 3, where 1 = blue, 2 = brown, and 3 = green. In this case, you would not get any meaningful information by finding the average for the "eye color" variable.

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the probability that a top-selling red and voss tire wears out before 80,000 miles is about 2.56%.

The student question asks about the probability that a top-selling red and voss tire, rated for 80,000 miles, wears out before reaching 80,000 miles. The tire's lifespan follows a normal distribution with a mean of 94,000 miles and a standard deviation of 7200 miles.
To find the probability, we need to calculate the z-score first. The z-score is a measure of how many standard deviations away from the mean a particular value is. We can use the following formula to calculate the z-score:
z = (X - μ) / σ
where X is the value (in this case, 80,000 miles), μ is the mean (94,000 miles), and σ is the standard deviation (7200 miles).

Calculate the z-score:
z = (80,000 - 94,000) / 7200
z = -14,000 / 7200
z ≈ -1.944
The z-score is approximately -1.944, which means the tire wearing out at 80,000 miles is about 1.944 standard deviations below the mean.
Find the probability:
Now, we can use the z-score to find the probability. We can look up the z-score in a standard normal distribution table or use a calculator with a built-in function for this purpose.
Using a standard normal distribution table or calculator, we find that the probability corresponding to a z-score of -1.944 is approximately 0.0256 or 2.56%.

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The ratio o\(f $a_1$ to $a_2$\)is equal to the ratio of \($b_2$ to $b_1$.\)

Hello! In this scenario, we are given that $a$ is inversely proportional to $b$. This means that as $b$ increases, $a$ will decrease, and vice versa.

Let's consider two nonzero values of $a$ called $a_1$ and $a_2$. We want to find the relationship between these two values.

According to the inverse proportionality, we have the equation:

\($a_1 \cdot b_1 = k$\)

where $b_1$ is the corresponding value of $b$ for $a_1$ and $k$ is a constant of proportionality.

Similarly, we have:

\($a_2 \cdot b_2 = k$\)
where $b_2$ is the corresponding value of $b$ for $a_2$.

To find the relationship between $a_1$ and $a_2$, we can divide the two equations:

\($\frac{a_1 \cdot b_1}{a_2 \cdot b_2} = \frac{k}{k}$\)

Simplifying this equation, we get:

\($\frac{a_1}{a_2} = \frac{b_2}{b_1}$\)

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Answer:

78.4

Step-by-step explanation:

9.8*8

=78.4 bags of leaves

Answer:

9. y=5\(x^{2}\)

10. y=2/3\(x^{2}\)

11. y=1/10\(x^{2}\)

12. y=-1/4\(x^{2}\)

Step-by-step explanation:

9. Use vertex form (y=a(x-h)^2+k) and insert the vertex (0,0) as (h, k).

y=a(x-0)^2 +0

Substitute the x and y values for the given point on the graph, (-1, 5)

5=a(-1-0)^2+0

Solve for a.

5=a(-1)^2

5=a

Substitute a in vertex form and solve for general form (ax^2 +bx+c)

y=5\(x^{2}\)

Use this method to find the rest of the equations.

Science, any system of knowledge that is concerned with the physical world and its phenomena and that entails unbiased observations and systematic experimentation. In general, a science involves a pursuit of knowledge covering general truths or the operations of fundamental laws.

Answer:

21a-14b

15b-20a

Step-by-step explanation:

Answer: a + 3b

Step-by-step explanation:

Okay, so...

7(3a - 2b) = 7(3a) - 7(2b) ... distributive property

21a - 14b

5(3b - 4a) = 5(3b) - 5(4a) ... distributive property

15b - 20a

(21a - 14b) + (15b - 20a) = 21a -12b + 15b - 20a =

a + 3b

1) Considering the given data, let's turn that mixed number into a decimal form. 3 1/4 is the same as 3.25.

2) Now, we can plug all the data we were told.

Note that we had to round it off to the nearest cent as requested.

9514 1404 393

Answer:

  (x, y) = (1/2, 5)

Step-by-step explanation:

We observe that the y-terms have coefficients 7 and -14. If we want to eliminate the y-terms, we need to multiply 7 by a factor that makes it be the opposite of -14. That factor will be -(-14)/7 = 2.

After multiplying the first equation by 2, we have ...

Adding these two equations gives ...

  20x = 10

Solving for x, we need to divide by 20:

  x = 10/20 = 1/2

Substituting this into the first equation, we get ...

  8(1/2) +7y = 39

  7y = 35 . . . . . . subtract 4

  y = 35/7 = 5 . . . divide by 7

Then the solution is (x, y) = (1/2, 5).

_____

Check

We used the first equation to find y, so we know the x- and y-values satisfy the first equation. We need to check the result using the second equation.

  4(1/2) -14(5) = -68

  2 -70 = -68 . . . . . . . true; result checks OK

Answer:

1st one is 1/2 and the second one is 5

Step-by-step explanation:

got it right on Edge

brainliest would be appreciated

Answer:

the answer is...........

Step-by-step explanation:

because...........................................................

Answer and Step-by-step explanation:

Distribute the 6mn to the 2m and -3n

The answer is:

\((12m^{2} n ) - 18mn^{2}\)

#teamtrees #WAP (Water And Plant)

Answer:

12m^2n - 18mn^2

Step-by-step explanation:

6mn(2m-3n)

Multiply with distributive property, so basically just multiply

12m^2n - 18mn^2

Answer:

8:30

Step-by-step explanation:

At 12:00 (noon) In New York, It is 2:00 pm in Rio De Janerio.

That if he left at 1 in NY it would've been 3 in Rio, 3+5.5=8.5

Which is 8:30 pm. Hope this helped!!

Answer:

it should be 6

Step-by-step explanation:

I could be wrong

Under the consideration of collinearity of two line segments, the length of the line segment ST is equal to 13.

According to the statement seen in this question, the line segments RT and  ST are collinear to each other. Mathematically speaking, the length of the line segment ST can be found by using the following formula:

RT = RS + ST

ST = RT - RS

ST = 19 - 6

ST = 13

Under the consideration of collinearity of two line segments, the length of the line segment ST is equal to 13.

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Answer:

Please find attached the graph of the following function;

\(\left\{\begin{matrix}x - 1 & if & -2 \leq x < 0\\ 1 & if & x = 0 \\ 3 & if & 0 < x \leq 2\end{matrix}\right.\)

Step-by-step explanation:

We note that the function is linear from x = 2 to just before x = 0

The linear relationship of the function f(x) with x changes just before x = 0

At x = 0, the value of f(x) is indicated as 1

From just after x = 0, the function is a straight horizontal line y = 3

The function also changes value immediately after x = 0 to the line y = 3

The areas where the function is defined are shown in continuous lines

Answer:

( 1, -3 )

Step-by-step explanation:

\( 6x - 9 = y \\ y = - 3x \\ \\ 6x - 9 = - 3x \\ 6x + 3x = 9 \\ 9x = 9 \\ x = 1 \\ \\ y = - 3x \\ y = - 3(1) \\ y = - 3\)

(1,-3)

Step-by-step explanation:

6x-9= -3x ---} -9=-9x ---} -9/-9= x ---} 1=x

6•1-9= -3•1 ---} 6-9= -3 ---} -3= -3 ---} -3=y

Answer:

f(3) = 6

Step-by-step explanation:

F(3)=-(3)2+4(3)

f(3) = -6 + 12

f(3) = 6

Main answer: The number of years of an n-year bond with a par value of $1,000 and annual coupons of $82 at a price of $891.62 with a yield to the purchaser of 10% convertible semiannually is 15 years.

Supporting answer: let us solve the question as follows:  The coupon rate of the bond is: coupon rate = annual coupon / par value= $82/$1000 = 0.082The price of the bond is given as $891.62. The yield to the purchaser is 10% convertible semi-annually. Therefore, the semi-annual yield is 10/2 = 5%. Using the semi-annual yield and the coupon rate, we can calculate the semi-annual interest payment on the bond :Semi-annual interest payment = 0.082 / 2 = 0.041.Then we can use the formula for the present value of a bond: P = C / (1 + r)-1 + C / (1 + r)-2 + ... + C / (1 + r)-n + F / (1 + r)-nwhereP is the price of the bond C is the semi-annual interest payment r is the semi-annual yield n is the number of semi-annual periods F is the par value of the bond. The only unknown in the above formula is n. We can use a financial calculator or spreadsheet to solve for n. Using Excel, we can use the following formula:=NPER(0.05,2*15,-82/2,1000)where NPER is the Excel function for the number of periods, 0.05 is the semi-annual yield, 2*15 is the total number of semi-annual periods, -82/2 is the semi-annual interest payment (with a negative sign), and 1000 is the par value. The result is 30. Since we are looking for the number of years, we divide by 2 to get 15.

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The line from dock A to dock B and the lines from the coral

reef to docks A and B form an isosceles triangle.

Correct response:

Given parameters are;

Distance between the docks = 2,581 ft.

Bearing of coral reef from dock A = 58°28'

Bearing of the coral reef from dock B = 328° 28'

Required:

The distance from dock A to the coral reef

Solution:

\(\theta _1 = 58^{\circ} 28' = \mathbf{\left(58 + \dfrac{28}{60} \right)^{\circ}} = 58.4\overline 6^{\circ}\)

θ₂ = 328°28' = 328.4\(\overline 6\)°

From the attached diagram, the angle at point C the coral reef is given as follows;

∠C = 180° - 2 × \(58.4\overline 6^{\circ}\) = \(\mathbf{63.0\overline 6^{\circ}}\)

According t the law of sines, we have;

Which gives;

The distance from dock A to the coral reef, AC ≈ 2,467.52 feet

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According to the Alternate Exterior Angles Theorem, when two parallel lines are severed by a transversal, the resultant alternate exterior angles are congruent if and only if the transversal is itself parallel to the two parallel lines.

So, in the figure below, if k ∥ l then

∠1 ≅ ∠7 and ∠4 ≅ ∠6.

Proof.

Since k ∥ l by the Corresponding Angles Postulate,

∠1 ≅ ∠5.

Also, by the Vertical Angles Theorem,

∠5 ≅ ∠7

Then, by the Transitive Property of Congruence,

∠1 ≅ ∠7

You may use the same strategy to demonstrate that ∠4 and ∠6 are equivalent to establish that they are congruent.

It should also be noted that the opposite of this theorem is true; more specifically, if two lines, k, and l, are sliced by a transversal in such a way that the alternative exterior angles are congruent, then k∥l.

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the answer is 4.6 because I divided it

The quotient of the division are solved and A = 9.5/2 = 4.75

Given data ,

Let the equation be represented as A

Now , the value of A is

Let the numerator of the fraction be p

where the value of p =  9.5

Let the denominator of the fraction be q

where q = 2

Now , the fraction is A = p/q

On simplifying the expression , we get

So , the left hand side of the equation is equated to the right hand side by the value of p/q

A = 9.5/2

On further simplification , we get

A = 4.75

Therefore , the value of A = 4.75

Hence , the fraction is A = 4.75

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What is the likelihood of rolling a 10 on a fair number cube numbered 1-6 is 0

Probability means possibility. It is a branch of mathematics that deals with the occurrence of a random event. The value is expressed from zero to one

The sample space in the question is 1,2,3,4,5,6

The Probability of rolling a 10 is impossible  since 10 is not a possible outcome on a number cube numbered 1 to 6.

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The function f(x, y) = xy has x-slices that are vertical lines, y-slices that are horizontal lines, its level set for z = 0 is the x-axis and y-axis, and when restricted to the lines y = λx, it forms a collection of parabolas.

(a) The x-slice of f(x, y) represents the function when we fix the value of x and let y vary.

For a given value k of x, the x-slice Γ(f(k, y)) is the set of points (k, y) where y can take any real value.

Similarly, the y-slice of f(x, y) represents the function when we fix the value of y and let x vary. For a given value k of y, the y-slice Γ(f(x, k)) is the set of points (x, k) where x can take any real value.

(b) The level set of f for z = 0 represents the set of points (x, y) where f(x, y) is equal to zero.

For the function f(x, y) = xy, the level set for z = 0 is the line passing through the origin (0, 0).

(c) When we restrict f(x, y) to the lines y = λx, where λ is a real number excluding zero, the graph of f over these lines becomes a family of lines passing through the origin with different slopes.

Each line has the form y = λx and represents the values of f(x, y) where y is equal to λ times x.

(d) Based on the information from parts (a) to (c), we can sketch part of the graph of f(x, y). It would consist of a family of lines passing through the origin with various slopes, and the origin itself representing the level set for z = 0.

The graph will have a linear structure with lines extending from the origin in different directions.

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The approximate English system equivalent for a gas tank that holds 76 liters is about 20 gallons.

To convert liters to gallons, we can use the conversion factor that 1 liter is approximately equal to 0.264172 gallons.

76 liters * 0.264172 gallons/liter ≈ 20.064192 gallons

Rounding to the nearest whole number, we get approximately 20 gallons.

Therefore, the approximate English system equivalent for a gas tank that holds 76 liters is about 20 gallons.

The gas tank in the new car, which holds 76 liters, is approximately equivalent to 20 gallons in the English system. This conversion is based on the approximate conversion factor of 1 liter being approximately equal to 0.264172 gallons.

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Answer:

456748

Step-by-step explanation:

you 463uy2iuswhk then 13456

The congruent segments, \( SC \cong HR \) and \( HR \cong AB\), according to the substitution property of equality, gives; \( SC \cong AB \)

The given parameters are;

Required;

To prove;

\( SC \cong AB\)

Solution;

From the given parameters, and the definition of congruency, we have;

According to the symmetric property of equality, we have;

SC = HR

Therefore;

According to the substitution property of equality, we have;

If a = b and a = c, therefore;

b = c

Which gives;

HR = SC

HR = AB

Therefore;

SC = AB

Which gives;

\( SC \cong AB \) (Inverse of the definition of congruency)

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