help asap, whats the answer?

Answer:

(4,0)

Step-by-step explanation:

(x, y)

Putting these points in a graph lends on the x-intercept, the right side of the graph

P-value = 0.0384

As P-value < 0.05, reject the null hypothesis.

A statistic (a number obtained from the sample) used in statistical hypothesis testing is known as a test statistic. Usually, a hypothesis test is described in words.

A test statistic is a figure obtained from a statistical analysis. It explains how distant your observed data is from the null hypothesis, which states that there is no correlation between the variables or distinction between the sample groups.

The alternative and null hypotheses are listed below.

Lack of hypothesis H0: μ = 13

Ha: 13 Alternative Hypothesis

Statistical test, z = (xbar - mu)/(sigma/sqrt(n))

z = (11 - 13)/(8/sqrt(50))

z = -1.77

Region of Rejection

For α= 0.05, this is a left-tailed test.

Z has a critical value of -1.645.

Therefore, if z -1.645, reject H0 and accept the null hypothesis.

P-value Approach

P-value = 0.0384

As P-value < 0.05, reject the null hypothesis

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A i think maybe

:>..,.h,j.

Answer:

7

Step-by-step explanation:

hope it helps!

Answer:

7

Step-by-step explanation:

7 over one is a whole number

The 15 percent tip on a dinner bill of 48.71 dollars is 7.3 dollars

The dinner bill is 48.71 dollars. Let's estimate a 15 percent tip on the dinner bill as follows:

In mathematics, a percentage is a number or ratio that can be expressed as a fraction of 100.

In other words, Percentage is defined as a given part or amount in every hundred. It is a fraction with 100 as the denominator and is represented by the symbol "%".

Therefore, let's estimate the 15% tip on the dinner bill of 48.71 dollars.

dinner tip = 15% of 48.71

dinner tip =  15 / 100 × 48.71

Hence, the estimated 15% tips of the dinner bill is as follows:

dinner tip = 7.3065 dollars

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The location of B under the Line Segment Partition is 6.8

What is Line Segment Partition?

A line segment is partitioned when it is divided into equal parts according to a specified ratio. The total number of partitions of the line segment must be equal to the sum of the two values in the ratio.

Given in the question that on a number line AC;

Location of Point A = 4

Location of point C = 11

point B lies between points A and C

So, B divides line AC in the ratio AB: BC = 2:3.

Thus;

BC = 3/5 of the total length of the AC

AB = 2/5 the total length of the AC

Then, total length of AC = 11-4 = 7

BC = 3/5 * 7 = 4.2

AB = 2/5 * 7 = 2.8

Thus, the location of point B is; 4 + 2.8 = 6.8

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The number of multiple-choice questions is 30.

The number of open-response questions is 6.

An equation is a mathematical statement that is made up of two expressions connected by an equal sign.

Example:

2x + 4 - 9 is an equation.

We have,

Number of multiple choice questions = M

Number of open response questions = N

We can make two equations.

M + N = 36 _______(1)

3M + 5N = 120 ______(2)

From (1) we get,

M = 36 - N ______(3)

Putting (3) in (2) we get,

3(36 - N) + 5N = 120

108 - 3N + 5N = 120

2N = 120 - 108

2N = 12

N = 6

Now,

Putting N = 6 in (3) we get,

M = 36 - 6

M = 30

Thus,

The number of multiple-choice questions and open-response questions is 30 and 6.

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Step-by-step explanation:

Give the slope between the points (-5,-2)(-2,-7)

slope = change in y / change in x

slope = (-2 - (-7)) / (-5 - (-2))

slope = ( -2 + 7) / ( -5 + 2)

slope = 5/-3

slope = -5/3 or -1.667

Answer: 7.7%

Step-by-step explanation:

So the answer is 7.7

To find the percent error, start by listing the key information from the problem.

Greta's scale shows the package weighing 3 pounds.

The scale at the post office shows the package weighing 3.25 pounds.

First, find the amount of error. It is the difference between 3.25 and 3, which is 0.25.

Now, use the formula to find the percent error.

percent error =

amount of error

correct amount = 0.25

3.25

= 0.0769…

You can rewrite this as a percent rounded to the tenths place, 7.7%. So, the percent error for Greta's scale measurement is about 7.7

The probability that at least one number cube show a 2, given that the sum is even is 5/36   .

In the question ,

it is given that ,
two standard cube are rolled ,

we have to find the probability that at least one number cube show a 2, given that the sum is even ,

we know that on rolling two dice ,

the total number of outcomes is = 36 ,

the outcomes in which one cube shows 2 are ,

{ (1,2) , (2,2) , (2,3) , (2,4) , (2,5) , (2,6) , (2,1) , (3,2), (4,2) , (5,2) ,(6,2) }

and the outcomes in which the sum is even is :

{ (2,2) , (2,4) , (2,6), (4,2) , (6,2) }

So , the number of favorable outcomes is = 5 ,

So , the probability is = 5/36

Therefore , the required probability is = 5/36 .

The given question is incomplete the complete question is

You roll two standard number cube . What is the probability that at least one number cube show a 2, given that the sum is even ?

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The age of the artifact is 3523.77 years.

What is radioactive decay?

The process of radioactive decay is how an unstable atomic nucleus loses energy through radiation. A substance that has unstable nuclei is regarded as radioactive.

Here,

The half-life of the reaction is defined as the time required by a substance to reach half its initial concentration. It is represented by t(1/2)

 All radioactive decay processes follow the first-order reaction.

The equation for the half-life for first-order reaction follows:

t(1/2) = 0.693/k....(1)

where,

k = rate constant of a first-order reaction

Given value:

t(1/2) = 5715 years

Put the value of t in equation (1), and we get

k = 0.693/5715

k = 1.21×10⁻⁴yr

The integrated rate law expression for first-order reaction follows:

t = 2.303/k×㏒(a/(a-x))

where,

t = time period

a = initial concentration of the reactant = 58.2 counts per minute

(a-x) = Concentration of reactant left after time t = 38.0 counts per minute

k = rate constant of a first-order reaction

Put the values in the equation and we get

t = 2.303/1.21×10⁻⁴㏒58.2/38

t = 3523.77 years.

Hence, the age of the artifact is 3523.77 years.

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a) car A is ahead of car B after 3 minutes.

b) Velocity is the shaded region.

c) the area under curve b is greater than the area under curve a.

a) The total distance  represented by the shaded region A, the area under the graph of v(t).

(c) A is a triangle, so its area is

A =1/2(base)(height)

   = 1/2(5 sec)(80 ft/s) = 200 ft

b) The meaning of area of the shaded region in this problem is: Velocity

Velocity is the directional velocity of a moving object as an indicator of the rate of change of position, observed from a certain frame of reference and measured at a certain time reference (eg 60 km/h northward).

c) The distance travelled will be represented by the area

under the velocity graph.

However,  first convert everything to meters and seconds:

320 km/h = 1000

Now,

60·60 320 m/s ≈ 88.89 m/s.

A =1/2(base)(height)

= 1/2(30 sec)(88.89 m/s) ≈ 1333.3m

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On solving the following question, the function that has domain of all real numbers is - [tex]y = -2(3X)^{\frac{1}{6} }[/tex]

All numbers that we can recall are real numbers except complex numbers. The union of the set of rational numbers and the set of irrational numbers is the set of real numbers denoted by the symbol R.

A rational number is any number that can be expressed as the ratio p/q. The fraction's denominator is denoted by "q," while the numerator is represented by "p." "q" is not zero.

Both 5 and 1/2 are actual figures. X also defines a number, but since it's negative, it's an integer because it's rational.

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Answer:

to write (-2)^6 as repeated addition, we can write it as -2 + -2 + -2 + -2 + -2 + -2 + -2. When we evaluate this expression, we get -128. Therefore, the answer is negative

Answer:

4

Step-by-step explanation:

The answer is 4.

[tex]20 / 4=5[/tex]

Recursion is defined as "defining an issue in terms of itself" or "solving a problem via the solution of smaller subproblems (smaller versions of the same problem)". This concept is frequently utilized in algorithms and data structures to tackle difficult issues by partitioning them into simpler ones.

What is recursion, according to this image? a list-based definition of a problem-solving approach. a solution to a problem that does not need using functions. a solution to a problem that is specified by itself. an incrementally specified solution to a problem.

A straightforward illustration of a recursive function is the factorial, which multiplies a number by itself while lowering it slowly. Recursive functions can relate to a wide variety of self-referencing looping operations, such as those where n = n + 1 given an operational range.

Hence recursion is  a problem solution defined in terms of itself.

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Having a rectangular pasture for the animals to graze in is something a farmer wants in order to start growing cows, horses, goats, and sheep. She has decided to purchase 7500 ft of fencing. 1875 square feet is the maximum possible area that each of the four pens will enclose.

The maximum possible area of each pen is 1875 square feet. To calculate this, first calculate the total area of the large rectangle that the farmer is enclosing. To do this, multiply the total length of the fencing (7500 feet) by the width of the fence (1 foot). This gives us 7500 square feet as the area of the large rectangle.

Next, divide the area of the large rectangle by 4 to get the area of each pen. This gives us 1875 square feet as the maximum area of each pen.

Total Area of Large Rectangle = 7500 ft x 1 ft = 7500 sq ft

Area of Each Pen = 7500 sq ft / 4 = 1875 sq ft

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There is sufficient proof to presume that under 77% of messages are spam.

A statistical hypothesis test  is a technique for measurable induction used to conclude whether the information within reach adequately support a specific theory. Speculation testing permits us to offer probabilistic expressions about populace boundaries.

Given the information in the inquiry;

Test size n = 500

x = 361

p₀ = 77% = 0.77

q₀ = 1 - p₀ = 1 - 0.77 = 0.23

p = x/n = 361/500 = 0.722

Speculation;

Null hypothesis H₀ : p ≥ 77% or 0.77

Alternative hypothesis  Hₐ : p ≥ 77% or 0.77

Test Measurement

z = ( p - p₀ )/√( ( p₀ × q₀ )/n )

so we substitute

z = ( 0.722 - 0.77 )/√( ( 0.77 × 0.23 )/500 )

z = - 0.048/√( 0.1771/500 )

z = - 0.048/√0.0003542

z = - 0.048/0.01882

z = - 2.55

so our p-worth will be;

p-value = p( z < - 2.55 ) {from table }

p-value = 0.0054

at 0.05 degree of importance ∝

p-value ( 0.0054 ) is not as much as importance level ∝ ( 0.05 )

Accordingly we Reject Null hypothesis H₀

Thus, there is sufficient proof to presume that under 77% of messages are spam.

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After solving for angles, the value of p in the given angles is 44°.

An angle is formed when two straight lines or rays meet at a single terminal.

The place where two points converge is known as an angle's vertex.

The name "angel" comes from the Latin word "angulus," which means "corner."

Angles are also produced when two planes intersect.

These are what are known as dihedral angles.

So, we know that ∠CAD = 90°.

And since ∠CAB is s straight angle. Then,

∠CAD + ∠DAB = 180

90 + p + 46 = 180

p + 136 = 180

p = 180 - 136

p = 44°

Therefore, after solving for angles, the value of p in the given angles is 44°.

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The terms 4t and 120 represents the cost of 4 cups of tea and total cost respectively.

A system of equation is defined as the group of equations having the same degree and same number of variables.

The given system can have one or more than one or no solutions at all.

The system having no solutions are called inconsistent while the ones having them are called consistent.

The given problem can be solved as follows,

Suppose the number of cups of tea and lemonade be t and l respectively.

Then, the following equations can be formed for the given case,

The equation for total cost is given as,

4t + 2l = 120                 (1)

And, the equation for the number of cups is given as,

l = 5t                             (2)

Now, the term 4t in equation (1) represents the cost for 4 cups of tea and 120 represents the total cost.

Hence, the given terms represent the cost of 4 cups of tea and the total cost of tea and lemonade.

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The dimensions of the rectangular field is 15 meters long and 14 meters wide.

A rectangle is a two-dimensional figure that has 2 pair of parallel sides that are of the same length. The corners made by these sides are right triangles.

Let x = length of the rectangular field

y = width of the rectangular field

If the area of the land is 210 square meters, then the product of its length and width is equal to 210 square meters.

A = l x w

210 = xy

x = 210/y

Serenity has 58 m of fencing for the perimeter of the rectangular field.. Hence,

P = 2l + 2w

58 = 2x + 2y

Substitute the expression of x and solve for y.

58 = 2x + 2y

58 = 2(210/y) + 2y

58 = 420/y + 2y

Multiply both sides by y and divide by 2.

29y = 210 + y²

y² - 29y + 210 = 0

(y - 14)(y - 15) = 0

y = 14 ; y = 15

Hence, y = 14.

Substitute the value of y and solve for x.

x = 210/y

x = 210/14

x = 15

Hence, the length and width of the field is 15 meters and 14 meters, respectively.

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The number 15.031i is an Imaginary number.

What is a complex number?

Complex numbers are those that are expressed as a + ib, where a and b are actual numbers and i is a fictitious number called a "iota." i has the value (√-1).

What is a real number?

A real number is a number that can be used to represent a continuous one-dimensional quantity in mathematics, such as a temperature, duration, or distance. Continuous in this context suggests that values may vary by arbitrary little amounts. An infinite decimal expansion can nearly always represent any real number.

Given number is 15.031i.

Iota is denoted by i which is an imaginary number.

Since no real number is not added with given number, it is not a real number.

Since iota presents in the given number, it is an imaginary number.

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Yes, dilation affects the driving.

When you get your eyes dilated, your doctor uses special drops to open your pupils wide. This let them get a look at your whole eye, including all the nerves and blood vessels at the back, to check for signs of diseases

When dilated, the pupil is unable to get smaller, and thus block out light in bright areas. This causes glare in your vision so you can't see things clearly.

The drops also make it difficult to focus on things up close, but usually don't affect distance vision.

So, Your eyesight will be impaired, so some experts say you should play it safe and not get behind the wheel will leds to affecting your driving

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Answer:

62 degrees

Step-by-step explanation:

first we find angle C by subtracting 116 from 180

180-116

64 degrees is angle c

Sum of all three angles of a triangle is 180 degrees

(3x-13)+(2x+4)+64=180

5x-9+64=180

5x+55=180

    -55.  -55

5x=125

/5.  /5

x=25

Now we know x we can find angle A

3(25)-13

75-13

62 degrees

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Answer:

If the first box of apples weighs 12 kilograms more than the second box, then the weight of the second box is 54 - 12 = <<54-12=42>>42 kilograms.

that there is no smallest positive rational number is proven below.

What is Rational Number?

Numbers that may be expressed in the form p/q, where p and q are integers and q0, are considered rational numbers. Because fractions cannot have a negative numerator or denominator, they differ from rational numbers in this respect. Because of this, the numerator and denominator of a fraction are whole numbers (denominator 0), unlike in the case of rational numbers, when they are both integers.

So to convert a fractional to reduce form we have to divide by 10 to power how many digits thereafter decimal point, and make sure that numerator or denominator doesn't have commonly divisible.

Let r be any reasonable number.

We can infer that r/2 is rational because r is a rational number.

There is no smallest rational number so we can assume that r/2 r because r/2 is rational.

Hence, proved that here is no smallest positive rational number.

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Answer:

1/ 42% increased

2/ 62%

Step-by-step explanation:

Let's find the answer to the first question

Take 355 divided by 250, then times 100% = 142%

142% - 100% = 42% increase

So the percent increase is 42%

Now let's find the answer to the second question

First, find the total cost by 355 + 50 = $405

Take 405 divided by 250, then times 100% = 162%

162% - 100% = 62%

It increases by 62% if the airline charges ann additional $50 baggage fee!

Answer:

x≤−32

Step-by-step explanation:

The price of a box of candy will be $1.25.

Expression in math's is defined as the collection of the numbers variables and functions by using signs like addition, subtraction, multiplication, and division.

Given that;

Tiffany gets $25 and 1 box of candy.

And, Todd gets $20 and 5 boxes of candy.

Now,

Since, Tiffany gets $25 and 1 box of candy.

And, Todd gets $20 and 5 boxes of candy.

Let price of box of candy = x

So, We can formulate;

⇒ $25 + x = $20 + 5x

Solve for x as;

⇒ $25 - $20 = 5x - x

⇒ $5 = 4x

⇒ x = 5/4

⇒ x = $1.25

Thus, The price of a box of candy = $1.25

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