What’s the domain and range of a horizontal line?

What’s the domain and range of a vertical line?

Answer:

Step-by-step explanation:

We don't have Adrian's batting data, but we can find Marlon's ratio thorugh dividing the hits by the total bats.

\(M=\frac{6}{15}=0.4\)

Therefore, Marlon has a 40% of hits, which means Adrian needs more than 40% to be better.

The graph of g(t) will be a straight line with a slope of ½ for 0 ≤ t < 6 and a horizontal line at g(t) = 3 for t ≥ 6.

To solve the initial value problem y'' + y = g(t), y(0) = 0, y'(0) = 1, where g(t) = t/2 for 0 ≤ t < 6 and g(t) = 3 for t ≥ 6, we first take the Laplace transform of both sides of the differential equation:

L{y'' + y} = L{g(t)}

Using the properties of the Laplace transform, we can rewrite the left-hand side as: L{y''} + L{y} = L{g(t)}

Now, we can use the initial conditions y(0) = 0 and y'(0) = 1 to find L{y''} and L{y}: L{y''} = s² Y(s) - s y(0) - y'(0) = s² Y(s) - 1 L{y} = Y(s)

Substituting these back into the equation, we get:

s² Y(s) - 1 + Y(s) = L{g(t)}

Next, we need to find the Laplace transform of the forcing function g(t).

Since g(t) is piecewise-defined, we can use the Heaviside step function to write it as:

g(t) = (t/2) + 3 H(t - 6)

Taking the Laplace transform of this expression gives us:

L{g(t)} = L{(t/2) + 3 H(t - 6)} = (1/2) L{t} + 3 L{H(t - 6)}

Using the properties of the Laplace transform, we can find L{t} and L{H(t - 6)}:

L{t} = 1/s² L{H(t - 6)} = e^(-6s)/s

Substituting these back into the equation for L{g(t)}, we get:

L{g(t)} = (½)(1/s²) + 3 (e^(-6s)/s)

Now, we can substitute this expression for L{g(t)} back into the equation for s² Y(s) - 1 + Y(s) = L{g(t)}:

s² Y(s) - 1 + Y(s) = (1/2)(1/s²) + 3 (e^(-6s)/s)

Solving for Y(s), we get: Y(s) = (1 + s²/2 + 3s e^(-6s))/(s² + s)

Finally, we can take the inverse Laplace transform of Y(s) to find the solution y(t): y(t) = L⁻¹{Y(s)} = L⁻¹{(1 + s²/2 + 3s e^(-6s))/(s² + s)}

To sketch the graphs of the forcing function g(t) versus t and the solution y(t) versus t, we can plot the expressions for g(t) and y(t) on a graph with t on the horizontal axis and g(t) or y(t) on the vertical axis.

The graph of g(t) will be a straight line with a slope of ½ for 0 ≤ t < 6 and a horizontal line at g(t) = 3 for t ≥ 6.

The graph of y(t) will be a curve that is determined by the expression for y(t) that we found using the Laplace transform.

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the solution of the system of equation where x = -40.

What is a System of Equations?

A system of equations in algebra is made up of two or more equations that are solved together. "A group of equations satisfied by the same set of variables are called a system of linear equations. Finding the values of the variables employed in the system of equations is the first step towards solving it. While maintaining the balance of the equations on both sides, we compute the values of the unknown variables. Finding a variable whose value makes the condition of all the given equations true is the primary goal of solving an equation system.

8+x/2 =1/4(x-4) - 1

⇒8+x/2 = x/4 -1 -1

⇒x/2-x/4 = -10

⇒x/4 = -10

⇒x = -40

Hence the solution of the system of equation where x = -40.

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Answer:

+45

Step-by-step explanation:

a deposit is a sum of money placed or kept in a bank account, usually to gain interest

Answer: 156°

Step-by-step explanation:

As you know angle sum of a quadrilateral = 360°

So, 3x + 5x + 9x + 13x = 360°

Or, 30x = 360°

Or, x = 12°

Hence: 3x = 36°, 5x = 60°, 9x = 108° and 13x = 156°

The largest area that can be enclosed if 88 feet of fencing material is available is 484 feet².

Given, a barn has a perimeter of 88 feet.

Now, the perimeter of the rectangle i.e. Barn is 88 feet.

Perimeter = 2(l + b)

88 = 2(l + b)

l + b = 44

b = 44 - l

Now, area = l × b

Area = l × (44 - l)

Area = 44l - l²

On differentiating both the sides, we get

A' = 44 - 2l

On putting A' = 0

44 - 2l = 0

l = 22

Now, for l = 22 the area will be the largest.

if l = 22

then, 22 + b = 44

b = 22

So, the largest area will be 22×22 = 484

Hence, the largest area that can be enclosed if 88 feet of fencing material is available is 484 feet².

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The vector equation of the line is r(t) = t<2, 0, -1>, and the corresponding parametric equations are x = 2t, y = 0, z = -t.

To find the vector equation and parametric equations of the line passing through the point (0, 0, 0) and perpendicular to both u = <1, 0, 2> and w = <1, -1, 0>, we can use the cross product of u and w.

The cross product of two vectors u and w gives us a vector that is perpendicular to both u and w. So, by finding the cross product, we can determine the direction vector of the line.

First, we calculate the cross product of u and w:

u x w = <1, 0, 2> x <1, -1, 0>

Using the determinant rule for the cross product, we have:

u x w = <0(0) - 2(-1), 2(0) - 1(0), 1(-1) - 0(1)>

= <2, 0, -1>

The resulting vector <2, 0, -1> is the direction vector of the line.

Next, we can write the vector equation of the line:

r(t) = <x₀, y₀, z₀> + t<2, 0, -1>

Since the line passes through the point (0, 0, 0), the equation simplifies to:

r(t) = t<2, 0, -1>

This equation represents the line in vector form.

To obtain the parametric equations, we can express each component separately:

x = 2t

y = 0

z = -t

These equations represent the line parameterized by the variable t, where t = 0 corresponds to the given point (0, 0, 0).

In summary, the vector equation of the line is r(t) = t<2, 0, -1>, and the corresponding parametric equations are x = 2t, y = 0, z = -t.

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The coordinates of a point are stated in the order, abscissa (x coordinate) first, then comes the ordinate (y coordinate)

Answer: -24

Step-by-step explanation:   what is the pattern between first y and second y....  you multiply by 2.    - 3 * 2= -6 soooo you do the same for x  - 12 * 2= ?

Hope this helps! :) Go help me with my question plz! ;)

On solving the provided question, we can say that the spherical balloon's initial radius is 7 cm.; the final radius is 14 cm. ratio =  (7/14) ^2 = 1:4

The length of a circle or sphere, in more contemporary use, is the same as its radius in classical geometry, which is one of the line segments from its center to its circumference. The Latin word radius, which also refers to the spokes of a wagon wheel, gave rise to the term. The distance a circle's center is from any point on its perimeter is its radius. Usually, "R" or "r" is used to indicate it. A radius is a line segment that has one endpoint in the center and one on the circumference of a circle. Circular diameter equals radius The diameter of a circle is the segment that traverses its center and has ends that are on the circle.

The spherical balloon's initial radius is 7 cm.

The final radius is 14 cm.

ratio =

(7/14) ^2 = 1:4

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Comparing the means of the two samples, we find that the difference between the means is significant. Therefore, we can reject the claim and conclude that male and female high school students have different exam scores.

To perform the two-sample t-test, we first calculate the standard error of the difference between the means using the formula:

SE = sqrt((s1^2 / n1) + (s2^2 / n2))

Where s1 and s2 are the population standard deviations of the male and female students respectively, and n1 and n2 are the sample sizes. Plugging in the values, we have:

SE = sqrt((47^2 / 49) + (4.3^2 / 53))

Next, we calculate the t-statistic using the formula:

t = (x1 - x2) / SE

Where x1 and x2 are the sample means. Plugging in the values, we have:

t = (239 - 21.1) / SE

We can then compare the t-value to the critical t-value at α = 0.01 with degrees of freedom equal to the sum of the sample sizes minus 2. If the t-value exceeds the critical t-value, we reject the null hypothesis.

In this case, the t-value is calculated and compared to the critical t-value using the provided standard normal distribution table. Since the t-value exceeds the critical t-value, we can reject the claim that male and female high school students have equal exam scores.

Therefore, the correct answer is:

B. Male and female high school students have different exam scores.

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Answer:

Step-by-step explanation:

19 hours

Answer:

25.6 hours

Explanation:

The surface area of a conical grain storage tank that has a height of 42 meters and a diameter of 24 meters is 1,670.5 square meters.

The surface area of a cone is calculated using the following formula:

Surface area = πr² + πrl, where π is approximately equal to 3.14, r is the radius of the base of the cone, and l is the slant height of the cone.

In this problem, we are given that the height of the cone is 42 meters and the diameter of the base is 24 meters. The radius of the base is half of the diameter, so the radius is 12 meters. The slant height of the cone can be calculated using the Pythagorean theorem.

l² = 12² + 42²

l² = 1764

l = 42.01 meters

The surface area of the cone is then calculated as follows:

Surface area = πr² + πrl

Surface area = 3.14 * 12² + 3.14 * 12 * 42.01

Surface area = 1,670.5 square meters

Here are some additional explanations:

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The expansion of (a+b)^15 is: a^15 + 15a^14b + 105a^13b^2 + 455a

To expand (a+b)^15 using the Binomial Theorem, we can use the formula:

(a + b)^n = C(n,0)a^nb^0 + C(n,1)*a^(n-1)*b^1 + C(n,2)*a^(n-2)*b^2 + ... + C(n,n-1)a^1b^(n-1) + C(n,n)a^0b^n

where C(n,k) represents the binomial coefficient "n choose k" which is equal to n!/(k!(n-k)!).

In this case, n = 15, so we have:

(a+b)^15 = C(15,0)a^15b^0 + C(15,1)a^14b^1 + C(15,2)a^13b^2 + ... + C(15,14)a^1b^14 + C(15,15)a^0b^15

We can evaluate each binomial coefficient using the formula above, or we can use Pascal's Triangle to obtain the coefficients:

1

1 1

1 2 1

1 3 3 1

1 4 6 4 1

1 5 10 10 5 1

1 6 15 20 15 6 1

1 7 21 35 35 21 7 1

1 8 28 56 70 56 28 8 1

1 9 36 84 126 126 84 36 9 1

1 10 45 120 210 252 210 120 45 10 1

1 11 55 165 330 462 462 330 165 55 11 1

1 12 66 220 495 792 924 792 495 220 66 12 1

1 13 78 286 715 1287 1716 1716 1287 715 286 78 13 1

1 14 91 364 1001 2002 3003 3432 3003 2002 1001 364 91 14 1

1 15 105 455 1365 3003 5005 6435 6435 5005 3003 1365 455 105 15 1

Thus, we have:

(a+b)^15 = 1a^15b^0 + 15a^14b^1 + 105a^13b^2 + ... + 5005a^1b^14 + 32768a^0b^15

Simplifying, we get:

(a+b)^15 = a^15 + 15a^14b + 105a^13b^2 + 455a^12b^3 + 1365a^11b^4 + 3003a^10b^5 + 5005a^9b^6 + 6435a^8b^7 + 6435a^7b^8 + 5005a^6b^9 + 3003a^5b^10 + 1365a^4b^11 + 455a^3b^12 + 105a^2b^13 + 15ab^14 + b^15

Therefore, the expansion of (a+b)^15 is:

a^15 + 15a^14b + 105a^13b^2 + 455a

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Answer:

31

Step-by-step explanation:

Square both sides of the equation to get

x+5 = 36

x = 31

12 students do not play any of the games. Number of students who do not play any of the games = 60 - 82 = 12

A group of 60 students, 25 play table tennis, 16 do swimming and 22 play cricket, 8 play table tennis and do swimming, 6 play cricket and do swimming, 5 play table tennis and cricket.

25 play table tennis

16 do swimming

22 play cricket

8 play table tennis and do swimming

6 play cricket and do swimming

5 play table tennis and cricket

Find the number of students who do not play any of the games

Total number of students = 60

Number of students who play any of the games = 25 + 16 + 22 + 8 + 6 + 5 = 82

Number of students who do not play any of the games = 60 - 82 = 12

12 students do not play any of the games.

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There are 12,577 different teams of 4 that can be chosen.

The number of different teams of 4 that can be chosen from a group of 20 adults and 13 children if each team must have at least one child can be calculated as follows:

Choosing one child from the 13 children can be done in 13 ways.

Choose 3 more people (adults or children) from the remaining 19 people

(20 adults and 13 children - 1 child chosen in step 1)19 choose 3 can be one in 969 ways.

The total number of different teams of 4 that can be chosen is

=> 13 x 969

=> 12,577.

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The Angles and sides of the outline correspond to the angles and sides of the original triangle is done as below.

Corresponding sides and angles are a pair of matching angles or sides that are in the same spot in two different shapes.

Given:

For Corresponding Angle

The same two angle pairs are touched by corresponding sides. When the sides are equivalent, you can multiply each side by the same value to move from one triangle to another. The corresponding sides of the triangles in the similar triangles diagram are the same colour.

Form Corresponding Side

If two triangles are similar and have sides A, B, C and a, b, c, respectively, then the pair of corresponding sides are proportional,

i.e., A : a = B : b = C : c.

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Answer:

M=0

Step-by-step explanation:

Youre welcome

Answer:

y=3

Step-by-step explanation:

Answer:

y = -1

Step-by-step explanation:

y - ( - 9) = 8

y + 9 = 8

y = 8 - 9

y = -1

- ( - turns to + because you are subtracting a negative number

If my answer is incorrect, pls correct me!

If you like my answer and explanation, mark me as brainliest!

-Chetan K

Answer:

y = -1

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Step-by-step explanation:

Step 1: Define

Identify

y - (-9) = 8

Step 2: Solve for y

Using trigonometric identities sin(x - 45) = -cos(x + 45)

A trigonometric identity is an equation that contains a trigonometric ratio.

Since we have the trigonometric identity  sin(x - 45) = -cos(x + 45), we need to prove that Left hand sides L.H.S equals Right Hand side R.H.S. We proceed as follows

L.H.S = sin(x - 45)

Using the trigonometric identity sin(A - B) = sinAcosB - cosAsinB where A = x and B = 45, we have that substituting these into the equation

sin(x - 45) = sinxcos45 - cosxsin45

= sinx × 1/√2 - cosx × 1/√2

= sinx/√2 - cosx√2

= (sinx - cosx)/√2

Also, R.H.S = -cos(x + 45)

Using the trigonometric identity cos(A + B) = cosAcosB - sinAsinB where A = x and B = 45, we have that these into the equation

cos(x + 45) = cosxcos45 - sinxsin45

= cosx × 1/√2 - sinx × 1/√2

= cosx/√2 - sinx/√2

= cosx/√2 - sinx/√2

= (cosx - sinx)/√2

= - (sinx - cosx)/√2

Since L.H.S = R.H.S

sin(x - 45) = -cos(x + 45)

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The symbols x, y, and z are examples of variables in an instruction like z = x + y.

A variable is a term that signifies anything that can be varied or altered. In programming, variables are utilized to hold values that might be modified and used in later code.

A variable is a name that identifies a memory location where data is stored. It can be changed anytime. Variables are commonly used in mathematical expressions, such as those seen in algebra. For example, x + 150 = 300In this instance, x is the variable. 150 and 300 are constants.

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RNA's capability to self-replicate and catalyze chemical reactions make it the best candidate for the first life-form.

According to the scientists, RNA is considered the best candidate for the first life-form due to the fact that RNA is capable of self-replication and catalysis. This is possible because RNA can act both as a template to produce copies of itself and also as an enzyme to accelerate chemical reactions. These abilities suggest that RNA could have played a role in the emergence of the first living organisms on Earth.

An RNA molecule has the ability to catalyze reactions, which means that it can speed up chemical reactions without itself being altered. Thus, it is capable of serving as an enzyme. Scientists believe that the first life-form must have been capable of self-replication and catalysis, and RNA is capable of both functions.

This capability is significant because it is fundamental for the origin of life. Hence, RNA is believed to have played a significant role in the emergence of the first living organisms on Earth.

To conclude, RNA's capability to self-replicate and catalyze chemical reactions make it the best candidate for the first life-form.

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RNA is considered the best candidate for the first life-form by scientists because RNA is capable of self-replication and catalysis.

The correct option is the first one due to following reasons:

As a result, scientists believe that RNA may have played a crucial role in the origins of life on Earth.

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Answer:

65,000 grams

Step-by-step explanation:

Because 1000 grams is in 1 kilogram, you would multiply the 65 kilograms by 1,000 to convert it to grams.

So to convert 65 kilograms to grams you would do:

65 * 1,000 = 65,000 grams

Answer:

29.4 minutes represents the 60th percentile

Step-by-step explanation:

Given :  The times for running a 5K for a local charity event are Normally distributed, with a mean time of 28 minutes and standard deviation of 5.4 minutes.

To Find : Which time represents the 60th percentile?

 19.6 minutes

26.6 minutes

29.4 minutes

36.4 minutes

Solution:

time represents the 60th percentile

Means  60 % data = 0.6 below this

from z table ,  z score for this =  0.253

z score  = ( Value - Mean ) / SD

=> 0.253  = ( Value - 28 ) /5.4

=> 1.3662  =  Value - 28

=>  Value = 29.3662

=>  Value = 29.4

29.4 minutes represents the 60th percentile

To solve problems, construct one-variable equations and inequalities.

As opposed to an inequality, which links two different values, an equation declares that two expressions are equal.

Create one-variable equations and inequalities, then utilize them to solve issues.

Include simple rational and exponential equations as well as those resulting from linear and quadratic functions.

In order to answer word problems, students should be able to decipher them and create equations and inequalities.

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Answer:

B- x > -6

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Equality Properties

Step-by-step explanation:

Step 1: Define

-4x + 12 < 36

Step 2: Solve for x