Plz answer it's important

Any p-value less than 0.05 is a cause to reject the null hypothesis.

What is Null Hypothesis?

The statement "The null hypothesis is a claim about population parameter that is assumed to be false until it is declared false" is false. The null hypothesis is denoted by H0 assumes that the claim you are trying to prove did not happen. It is a claim about a population parameter that is assumed to be true until it is declared false.

Explanation:
In this case, 0.015 is the only option for p-value that would lead to a rejection of the null hypothesis (if the level of significance for the test is 0.05).

Any p-value less than 0.05 is a cause to reject the null hypothesis.

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Answer:

160

Step-by-step explanation:

vertical angles

Answer:

its 80

Step-by-step explanation:

because of vertical angles the 160 is the same for the other side so you subtract the 80

Based on common factors, Fatoumata can increase each dimension of the deck by 2 feet so that the deck's new area is increased by 50% to 126 ft².

Common factors are the numbers that can divide another number evenly without a remainder.

In this situation, 9 and 14 can divide 126 equally and the product of 9 and 14 are 126.

The old dimensions of the deck:

Width = 7 feet

Length = 12 feet

Area = 84 ft² (7 x 12)

The expected new area of the deck:

Increase in the new area = 5%

Increased factor for the area = 1.5 (100% + 50%)

Area = 126 ft² (84 x 1.5)

The common factors of 126 include 9 and 14 and the product of 9 and 14 = 126.

Therefore, we can increase each length of the deck by 2 feet.

Check:

Width = 9 feet

Length = 14 feet

Area = 126 ft² (9 x 14)

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The result of biconditional statements are as follow,

a) True. 2 + 2 = 4 and 1 + 1 = 2.

b) False. 1 + 1 = 2, but 2 + 3 = 5, not 4.

c) False. 1 + 1 = 2, but monkeys cannot fly.

d) False. 0 is not greater than 1, but 2 is greater than 1.

a) 2 + 2 = 4 if and only if 1 + 1 = 2.

This biconditional is true.

Both statements are true because basic arithmetic principles dictate that 2 + 2 equals 4, and 1 + 1 equals 2.

b) 1 + 1 = 2 if and only if 2 + 3 = 4.

This biconditional is false.

The first statement is true since 1 + 1 equals 2. However, the second statement, 2 + 3 = 4, is false because 2 + 3 equals 5, not 4.

c) 1 + 1 = 3 if and only if monkeys can fly.

This biconditional is false.

The first statement, 1 + 1 = 3, is false because 1 + 1 equals 2, not 3. The second statement, "monkeys can fly," is also false.

because monkeys are not capable of natural flight.

d) 0 > 1 if and only if 2 > 1.

This biconditional is false. The first statement, 0 > 1, is false because 0 is not greater than 1.

However, the second statement, 2 > 1, is true because 2 is indeed greater than 1.

Therefore, the biconditional is false since the statements do not have the same truth value.

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The above question is incomplete, the complete question is:

Q : Determine whether these biconditionals are true or false.

a) 2 + 2 = 4 if and only if 1 + 1 = 2.

b) 1 + 1 = 2 if and only if 2 + 3 = 4.

c) 1 + 1 = 3 if and only if monkeys can fly.

d) 0 > 1 if and only if 2 > 1

Answer:

y = 0.30x + 200 and The price of airfare increases by $0.30 for each mile traveled.  

Step-by-step explanation:

the person above is incorrect

Answer:

y = 0.30x + 200

Step-by-step explanation:

Hope that helped :)

The Balmer series, the second line would have ni = 4, indicating that the electron transitions from the fourth energy level to the second energy level.

The Balmer series is a series of spectral lines in the emission spectrum of hydrogen. It corresponds to transitions of electrons in hydrogen atoms from higher energy levels (initial states) to the second energy level (final state) with nf = 2.

In the Balmer series, the first line is associated with an initial energy level ni = 3. This means that the electron starts in the third energy level and transitions to the second energy level (nf = 2). Each line in the series corresponds to a different transition between energy levels.

Based on this information, the second line in the Balmer series would correspond to a transition where the electron starts from the fourth energy level (ni = 4) and ends up in the second energy level (nf = 2). This transition represents a higher energy change compared to the first line in the series.

Therefore, for the Balmer series, the second line would have ni = 4, indicating that the electron transitions from the fourth energy level to the second energy level.

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Answer: Firstly the area of parallelogram is. = b×h. so value of base is 9cm and height is 45cm . So area is equal to. base×height. = 9×45= 405² cm.

405cm²

a) The rate of people leaving the health club, L(t), can be calculated as:

L(11) = 0.013(11)^2 - 0.25(11) + 8

b) To find the number of people, we integrate the net rate of change over the time interval:

Number of People at t=20 = Integral of (E(t) - L(t)) dt, from t=0 to t=20

c) This can be done by finding the critical points of the net rate of change and evaluating them to determine whether they correspond to maximum or minimum values.

To determine whether the number of people in the facility is increasing or decreasing at time t=11, we need to compare the rates of people entering and leaving the health club at that time.

a) At time t=11 hours:

The rate of people entering the health club, E(t), can be calculated as:

E(11) = -0.018(11)^2 + 11

Similarly, the rate of people leaving the health club, L(t), can be calculated as:

L(11) = 0.013(11)^2 - 0.25(11) + 8

By comparing the rates of people entering and leaving, we can determine if the number of people in the facility is increasing or decreasing. If E(t) is greater than L(t), the number of people is increasing; otherwise, it is decreasing.

b) To find the number of people in the health club at time t=20, we need to integrate the net rate of change of people over the time interval 0≤t≤20 hours.

The net rate of change of people can be calculated as:

Net Rate = E(t) - L(t)

To find the number of people, we integrate the net rate of change over the time interval:

Number of People at t=20 = Integral of (E(t) - L(t)) dt, from t=0 to t=20

c) To determine the time t at which the number of people in the health club is a maximum, we need to find the maximum value of the number of people over the interval 0≤t≤20.

This can be done by finding the critical points of the net rate of change and evaluating them to determine whether they correspond to maximum or minimum values.

Let's calculate these values and solve the problem.

Note: Since the calculations involve a series of mathematical steps, it would be best to perform them offline or using appropriate computational tools.

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Answer: A function is a relation between domain and range such that each value in the domain corresponds to only one value in the range. Relations that are not functions violate this definition. They feature at least one value in the domain that corresponds to two or more values in the range.

Step-by-step explanation:

The approximate value of the expression (−4.8)−9 ⋅ (−4.8)9 is 0.99999999735.

To evaluate the expression (−4.8)−9 ⋅ (−4.8)9, we need to follow the order of operations, which is parentheses, exponents, multiplication/division (from left to right), and addition/subtraction (from left to right).

Let's break down the expression step by step:

(−4.8)−9 means raising −4.8 to the power of -9.

First, let's calculate (−4.8)−9:

(−4.8)−9 = 1 / (−4.8)9 (since a negative exponent signifies taking the reciprocal of the base)

Now, let's calculate (−4.8)9:

(−4.8)9 ≈ -11084.4720416 (using a calculator or computational tool to perform the exponentiation)

Substituting this value back into the previous step:

(−4.8)−9 = 1 / (−4.8)9 ≈ 1 / (-11084.4720416) ≈ -9.017218987 × \(10^{(-5)\)

Next, let's move on to the second part of the expression:

(−4.8)−9 ⋅ (−4.8)9 = (-9.017218987 × \(10^{(-5)\)) × (-11084.4720416)

Calculating the multiplication:

(-9.017218987 × \(10^{(-5)\)) × (-11084.4720416) ≈ 0.99999999735

Therefore, the approximate value of the expression (−4.8)−9 ⋅ (−4.8)9 is 0.99999999735.

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Answer:

x=9

Step-by-step explanation:

600=-200x + 2400

-2400

-200x = -1800

x = 9

Answer:

9

Step-by-step explanation:

\( \frac{18}{10} = \frac{?}{5} \\ \\? = \frac{18 \times 5}{10} \\ \\? = \frac{90}{10} \\ \\ ? = 9\)

Answer:9

Step-by-step explanation:because if you divide 10 by 2 it’s 5 and if you divide 18/2 it’s 9

The area of the shaded region in the regular polygon is 161.3 cm²

A regular polygon is a polygon in which all the sides are equal.

From the diagram, the regular polygon is a square which is composed of a small square and a large square. In a square, all the sides are equal.

For the small square, half of the diagonal is 4 cm, therefore the length of the diagonal is 8 cm (2 × 4 cm). Let the length of the side be a cm, using Pythagoras theorem:

a² + a² = 8²

2a² = 64

a² = 32

a = √32 = 5.7 cm

The area of the small square = length × length = 5.7 × 5.7 = 32.5 cm²

For the large square, half of the diagonal is 9 cm, therefore the length of the diagonal is 18 cm (2 × 9 cm). Let the length of the side be b cm, using Pythagoras theorem:

b² + b² = 18²

2b² = 324

b² = 162

b = √162 = 12.7 cm

The area of the large square = length × length = 12.7 × 12.7 = 161.3 cm²

The area of the shaded region = Area of large square - Area of small square = 161.3 cm² - 32.5 cm² = 128.8 cm²

The area of the shaded region in the regular polygon is 161.3 cm²

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Answer:

it’s actually 130 or 130.0

Step-by-step explanation:

a) There is a 0.30 probability repair workers will travel between three feet and twelve feet to reach a leak.

b) The repair workers can expect to travel 15 feet to reach a leak because the leak can occur anywhere on the 30 feet long segment.

(a) Since each segment of an oil pipeline is 30 feet long. Hence, repair workers can expect to travel 15 feet to reach a leak because the leak can occur anywhere on the 30 feet long segment.

(b) Let X be the distance from one end of the pipe segment to the leak, then X follows a uniform distribution from 0 to 30.

Therefore, the PDF of X is given by `f(x) = 1/30` for `0 ≤ x ≤ 30`Now, P(3 ≤ X ≤ x) = 0.3

Since the distribution is uniform, the area of the shaded region is `0.3 × 30 = 9` square feet.

So, we have: `∫[3, x] f(t)

dt = 9/30` or `∫[3, x] 1/30

dt = 9/30`

Now, `∫[3, x] 1/30 dt = [t/30]_3^x = (x - 3)/30`

Hence, we can write as:`(x - 3)/30 = 0.3`

Solving for x, we get:x - 3 = 9 => x = 12 feet

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Answer:

Graph C. Hope this is correct!!!

Step-by-step explanation:

Answer: It should be "B". the vertical axis is the time and the horizontal axis is number of trees.

This is what my teacher sent me.

The possible values of a for which x^2+ax+25 is the square of a binomial are +10 and -10

If x^2+ax+25 is the square of a binomial, then it can be expressed in the form (x+b)^2 = x^2+2bx+b^2. Comparing the two expressions, we get:

a = 2b

25 = b^2

Solving for b in the second equation, we get:

b = ±5

Substituting this into the first equation, we get:

a = ±10

Therefore, the possible values of a for which x^2+ax+25 is the square of a binomial are +10 and -10, and these values will make b equal to +5 or -5, respectively.

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Answer:

does it give the hight of the truck??

Step-by-step explanation:

Answer:

Let X be the random variable representing the amount of beer poured by the filling machine. Since X follows a normal distribution with mean μ = 12.10 and standard deviation σ = 0.05, we can use the standard normal distribution to find the probability that a bottle contains between 12.00 and 12.06 ounces.

First, we need to standardize the values 12.00 and 12.06 by subtracting the mean and dividing by the standard deviation:

z1 = (12.00 - 12.10) / 0.05 = -2 z2 = (12.06 - 12.10) / 0.05 = -0.8

Now we can use a standard normal distribution table to find the probability that a standard normal random variable Z is between -2 and -0.8:

P(-2 < Z < -0.8) = P(Z < -0.8) - P(Z < -2) ≈ 0.2119 - 0.0228 ≈ 0.1891

So, the probability that a bottle contains between 12.00 and 12.06 ounces of beer is approximately 0.1891.

Step-by-step explanation:

Answer:

19531250

By divided it

Answer:

C

Step-by-step explanation:

She ate 3, so originally 77 cookies. Divide that by 7 batches, which is the equivalent to C

The fraction of the total number of math Matthew completed = 0

The fraction of the total number of science Matthew completed = 12/12

Information given requires getting the fraction of problems solved by Matthew

science problems solved = 12

math problems = 0

fraction of total number

for science = science problems solved / total number of problems solved

= 12 / (12 + 0)

= 12/12

for math = math problems solved / total number of problems solved

= 0 / (12 + 0)

= 0 / 12

= 0

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The value of f'(3) is 6g(9)

To find the value of f'(3), we need to use the fundamental theorem of calculus and differentiate f(x) with respect to x.

We have:

\(f(x) = ∫[0,x^2] g(t) dt\)

Applying the fundamental theorem of calculus, we get:

\(f'(x) = g(x^2) * (d/dx) [x^2]\)

\(f'(x) = 2xg(x^2)\)

So, at x=3, we have:

f'(3) = 2(3)g(9)

f'(3) = 6g(9)

Therefore, the value of f'(3) is 6g(9).

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Answer:

See table below

Step-by-step explanation:

y=x^2-x

x -2  -1   0  1  2  3

y  ?   ?   ?  0  2  ?

completed table:

x   -2  -1  0  1  2  3

y   6    2 0  0  2  6

Answer:

75 dollars.

Step-by-step explanation:

Each person costs 25 dollars and p=3 we just put this into a equation.

25 × 3 = 75

C = 75

The necessary components to describe a rotation on a coordinate plane include the center of rotation, the shape of the figure, and the number of degrees of rotation.

To describe a rotation of a figure on a coordinate plane, the necessary components include the center of rotation, the shape of the figure, and the number of degrees of rotation.

a. The center of rotation is a fixed point around which the figure rotates. It serves as the anchor for the rotation and determines the position of the figure after the rotation is applied.

b. The shape of the figure refers to its size, proportions, and geometric characteristics. This information is crucial as the figure retains its original shape during the rotation.

c. The number of degrees of rotation determines the magnitude of the rotation. It specifies how much the figure is rotated around the center of rotation. Positive angles indicate counterclockwise rotations, while negative angles represent clockwise rotations.

d. The direction of rotation is not necessary to describe a rotation on a coordinate plane. The rotation can be defined solely by the center, shape, and angle of rotation.

In summary, the essential components to describe a rotation on a coordinate plane include the center of rotation, the shape of the figure, and the number of degrees of rotation. The direction of rotation is not required to define the rotation.

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The probability of getting exactly 19 5's is 0.00132

From the question, we have the following parameters that can be used in our computation:

Number of toss, n = 120

The probability of getting a 5 is

p = 1/6

So, the complement probability is

q = 1 - 1/6

Evaluate

q = 5/6

The probability is then calculated as

P = nCr * p^r * q^(n - r)

Substitute the known values in the above equation, so, we have the following representation

P = 200C19 * (1/6)^19 * (5/6)^(200 - 19)

Evaluate

P = 0.00132

Hence, the probability of getting the following result Exactly 19 5's is 0.00132

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