if you conduct a hypothesis test (for example, a z test), and find a p-value of .30, what is the meaning of the p-value?

The solution of the quadratic equation will be;

⇒ x = - 1 ± √5 / 8

⇒ x = –1 Plus or minus Start Root Start Fraction 5 Over 8 End Fraction End Root.

An algebraic equation with the second degree of the variable is called an Quadratic equation.

Given that;

The quadratic equation is,

⇒ 8x² + 16x + 3 = 0

Now,

Solve the equation as;

⇒ 8x² + 16x + 3 = 0

⇒ 8x² + 16x = - 3

⇒ 8 (x² + 2x) = - 3

Now, Using completing the square as;

⇒ 8 (x² + 2x + 1) = - 3 + 8

⇒ 8 (x + 1)² = 5

⇒  (x + 1)² = 5 / 8

⇒ (x + 1) = ±√5 / 8

⇒ x = ±√5/8 - 1

⇒ x = - 1 ± √5/8

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The value of x is 18 which is option B.

Given:

Two pyramids are similar.

if two figures are similar then the ratio of their sides are equal.

So, 24/8 =  x/6

24*6 = 8*x

144 = 8x

divide by 8 on both sides

8x/8 = 144/8

x = 144/8

x = 18.

Therefore the value of x is 18 which is option B.

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Yes, as the asymptotic chi-squared distribution would emerge from normal approximating the binomial distribution and then squaring it.

Given statement;

Suppose that we use a hypothesis test to evaluate a claim about the proportion of narwhals with tusks longer than 3 meters. If we use a chi-squared test, would the value of our test statistic be the square of the standardized value of the statistic that we would have used if we had chosen a binomial test instead.

→ Yes, since by normal approximation of the binomial distribution and then squaring it would give us the resulting asymptotic chi-squared distribution.

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Answer:

1.5

Step-by-step explanation:

3÷2=1.5

If Rod knows where he wants his portfolio to be over the long term, and he believes that he knows in which companies he wishes to invest. The appropriate financial professional for Rod is: a. Discount broker.

A Discount broker can be defined as a type of broker which gives out discount to investor to offers lesser commission fees or rate to investors

Discount broker tend to as well help to handle  the buying and selling of stocks and they as well rendered different services to investors. Most investors tend to make use of discount broker instead of full service broker because of the lower commission fees that discount brokers often charge.

Based on the given scenario i will recommend Rod to make use of discount broker as they are professional financial assistance when it comes to buying and selling of stocks.

Therefore the correct option is A.

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The complete question is:

Rod is looking for professional financial assistance. Rod has a solid grasp of how investing works, but needs a way to handle the actual buying and selling of stocks. Rod knows where he wants his portfolio to be over the long term, and he believes that he knows in which companies he wishes to invest. Recommend an appropriate financial professional for Rod.

a.Discount broker

b.Full-service broker

c.Financial planner

d.Investment Advisor

Answer: 5468.9

Step-by-step explanation:

Answer:

I think its $90.75

Hopefully its right :)

For which population is 636363 wins a legitimate estimate of the average longest streak: Only the top 200200200 longest streaks worldwide in June

Mean = sum of data / Number of data

The 200200200 longest streaks weren't randomly selected from a larger population. They are not representative of all players in the world or Canada, but they are the top 200200200 longest streaks of all players. So,

Only the top 200200200 longest streaks worldwide in June will win.

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The equation which represents a cubic polynomial function with zeroes 2, 3 and 5 is; f(x) = x³ - 10x² + 31x - 30.

It follows that if a polynomial function has zeroes, a, b and c; The factors of such polynomial function are; (x - a), (x - b) and (x - c).

Therefore, since the given polynomial function has zeroes, 2, 3 and 5, the polynomial function is;

f(x) = (x - 2) (x - 3) (x - 5)

Therefore, by simplification; we have;

f(x) = (x² - 5x + 6) (x - 5)

f(x) = x³ - 5x² + 6x - 5x² + 25x - 30.

f(x) = x³ - 10x² + 31x - 30.

Therefore, the required cubic polynomial function is; f(x) = x³ - 10x² + 31x - 30.

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For the equation A=s² for s. Assume s > 0, then s = [tex]\sqrt{A}[/tex].

What are squares and square roots?

Squares are the numbers that are produced when a value is multiplied by itself. In contrast, a number's square root is a value that, when multiplied by itself, returns the original value.

For the given equation, A = s², we have to find the value of s.

thus, taking the square root on both sides, we get

                                     s = [tex]\sqrt{A}[/tex].

Hence, the value of s = [tex]\sqrt{A}[/tex].

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The slope of the line is 1.11

Slope is the ratio of the rise, the vertical change, to the run, the horizontal change of a line.

Given that, engineers measure angles in gradients, which are smaller than degrees,

Slope = (-200+100)/(-180+90) = -100/(-90) = 10/9 = 1.11

Hence, The slope of the line is 1.11

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Answer:

1.11

Step-by-step explanation:

it's correct.

The vertex of the quadratic equations is at (1, -1), then the vertex form will be:

y = 4*(x - 1)^2 - 1

For a quadratic equation with leading coefficient a and a vertex (h, k), the vertex form is:

y = a*(x - h)^2 + k

And for a equation: y = a*x^2 + b*x + c

The x-value of the vertex is at:

h = -b/2a

In this case, we have:

y = 4x^2 - 8x + 3

So the x-value of the vertex is at:

h = -(-8)/2*4 = 1

To get the y-value we evaluate in x = 1

y = 4*1^2 - 8*1 + 3

y = 4 - 8 + 3 = -1

The vertex is at (1, -1) and the leading coefficient is 4, then the vertex form is:

y = 4*(x - 1)^2 - 1

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Answer: -893

Step-by-step explanation: -900 -(+16) = 884 +(-8) = -893

Answer:

-892

-900+16-2^3=-900+16-8=-900+8=-892

The coordinates of A'', applying the two rotations, are given as follows:

A'' (4, 3).

A rotation is one example of transformation that a function can undergo, in which the congruence and similarity of the images are kept but the orientation of the image changes.

The rules for each possible rotation are given as follows:

The original coordinates are given as follows:

A(-3,4).

After the first 180º clockwise rotation, the coordinates are:

A'(3,-4).

(signals exchanged)

After the final rotation, the 90º counterclockwise rotation, the coordinates of A'' are given as follows:

A'' (4, 3).

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The distance traveled by the car in 2hours is 120miles

Speed is measured as the ratio of distance to the time in which the distance was covered. Speed is a scalar quantity as it has only direction and no magnitude.

from the definition speed= distance/time

since the train has constant speed,therefore the speed of the car = 150/2 1/2

= 60miles/hour

Distance= speed×time

Therefore for a time of 2hours the train will cover

60×2= 120 miles

Therefore the distance covered in 2hours is 120miles

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In 286 ways are there to distribute seven identical apples and six identical pears to three distinct people.

There are 7 identical apples and 6 identical pears.

So total number of fruits here = 7+6 = 13 identical fruits

The number of ways to distribute 13 fruits in three distinct people is given by [tex]=^{13}C_3=286[/tex] ways.

Hence the number of ways is 286.

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There is a change of 1/2 for Adam to get strictly more heads than Ben.

The likelihood that Ben will get more heads than Adam is equal to the likelihood that Ben will get more tails than Adam. (by symmetry)

If Ben and Adam each have n+1 (101) coins, then Ben will receive more heads or even more tails than B, but never both.

Considering (1) and (2), we find that there is a 50% chance that Adam will get more heads than Ben.

Thus, there is a change of 1/2 for Adam to get strictly more heads than Ben.

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The sum of a number w is more than -12 becomes w > -12

If the equation or inequality contains variable terms, then there might be some values of those variables for which that equation or inequality might be true. Such values are called solution to that equation or inequality.

We have been given that the sum of a number w is more than -12.

Now the sum of a number = w

It is more than -12 means the inequality form as;

w > -12

Therefore, the overall expression becomes w > -12

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The proportional relationship that gives the cost of x pounds of rice is given as follows:

y = 3x.

A proportional relationship is a special case of a linear function, with slope represented by k and intercept of 0, hence the output variable y is obtained with the multiplication of the input variable x and the slope k, as follows:

y = kx.

In this problem, the input and the output are given as follows:

You can buy 3 pounds of rice for 9 dollars use, hence the constant representing the cost per pound is given as follows:

k = 9/3 = 3.

Hence the equation is:

y = 3x.

This problem is incomplete but we suppose that it asks for a proportional relationship giving the cost of x pounds of rice.

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Answer:  

150 marks

Step-by-step explanation:

Every meter has 5 marks.

30 meters × 5 marks = 150 marks

Answer:

y = [tex]\sqrt{(k-a)}[/tex]

Step-by-step explanation:

k= y^2 + a

k-a= y^2

y^2 = k-a

y = (k-a)^(1/2)

y = [tex]\sqrt{(k-a)}[/tex]

Answer:

[tex]\displaystyle{y=\pm \sqrt{k-a}}[/tex]

Step-by-step explanation:

To make y-term as the subject of formula means to solve for y-term. First, subtract both sides by a-term, this’ll at least isolate y².

[tex]\displaystyle{k-a=y^2+a-a}\\\\\displaystyle{k-a=y^2}[/tex]

Everything that you do or add to one of both sides, that side will also be done too. (e.g Suppose we have x + 1 = y. If we add 2 to left then 2 should also be added to right too so we’ll have x + 1 + 2 = y + 2)

Then square root both sides to get rid of the exponents of y-term:

[tex]\displaystyle{\sqrt{k-a}=\sqrt{y^2}}[/tex]

If we substitute y = any numbers, we’ll always get positive result. Therefore, this means that y-term can be any positive or negative values. Hence, write plus-minus to the left side then evaluate the square root of y² to y:

[tex]\displaystyle{\pm \sqrt{k-a}=y}[/tex]

Therefore, the new equation written in term of y is:

[tex]\displaystyle{y=\pm \sqrt{k-a}}[/tex]

The x-intercept of the given graph of the function is (10,0) while the y-intercept is (0,15).

A graph is a diametrical representation of any function between the dependent and independent variables.

The graph is easy to understand the behavior of the graph.

For example y = x² form a parabola now by looking at only the graph we can predict that it has only a positive value irrespective of the interval of x.

As per the given equation,

y = (-3/2)x + 15

At y-intercept,

x = 0 so, y = 0 + 15 = 15 thus, (0,15)

At x-intercept

y = 0

0 = (-3/2)x + 15

x = 10 thus, (10,0)

Hence "The x-intercept of the given graph of the function is (10,0) while the y-intercept is (0,15)".

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For the complete question and graph image attached below,

Answer:

k = - 6 , c = 8

Step-by-step explanation:

f(x) = x² + kx + c

given f(2) = 0 , substitute (2, 0 ) into f(x)

0 = 2² + 2k + c

0 = 4 + 2k + c ( subtract 4 from both sides )

- 4 = 2k + c → (1)

given f(- 3) = 35 , substitute (- 3, 35 ) into f(x)

35 = (- 3)² - 3k + c

35 = 9 - 3k + c ( subtract 9 from both sides )

26 = - 3k + c → (2)

subtract (2) from (1) term by term to eliminate c

- 4 - 26 = 2k - (- 3k) + (c - c)

- 30 = 2k + 3k

- 30 = 5k ( divide both sides by 5 )

- 6 = k

substitute k = - 6 into (1) and solve for c

- 4 = 2(- 6) + c

- 4 = - 12 + c ( add 12 to both sides )

8 = c

then

k = - 6 and c = 8

Answer:

4,600,000,000

Step-by-step explanation:

Don't forget the order of operations

3.243 × 10⁸/7.05

= 46,000,000 × 10²

= 4,600,000,000

or 4.6 × 10⁹

Answer:

4.6x10 to the power of 5

Step-by-step explanation:

7.05×10

2

3.243×10

8

​

Divide them.

\frac{3.243}{7.05}\times \frac{10^8}{10^2}

7.05

3.243

​

×

10

2

10

8

​

Divide numbers and 10's separeately.

0.46\times 10^6

0.46×10

6

Subtract exponents.

(4.6\times 10^{-1})\times 10^6

(4.6×10

−1

)×10

6

Rewrite as a number bigger than 1

4.6\times (10^{-1}\times 10^6)

4.6×(10 −1 ×10 6 )

Associate

4.6\times 10^5

4.6×10 5

Add exponents

There are 6 pennies in a total of 150 coins.

Given that,

Ninety of the 150 coins are quarters. 40 percent of the remaining coins are nickels, with the remainder being dimes and pennies.

and also,

For every penny, there are five dime.

Total = 150 coins

Out of it, 90 are quarters so the remaining coins are 60

It is said that,

In that 60 coins 40% are nickels which means

40% of 60 is 24

So remaining coins are 36 (by subtracting 24 from 60)

It is said that there are 5 dimes for every penny which means

Using Algebra,

x + 5x = 36

6x= 36

x= 6

Therefore, there are 6 pennies in a total of 150 coins.

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There are 56 ways to choose a committee of students.

What is Combination?

A combination is a technique to determines the number of possible arrangements in a collection of items where the order of the selection does not matter.

Given that;

A committee of five be selected from eight students if two particular students are to be included.

Now,

Since, 2 members are must be included.

So, We have to choose 3 student from 8 student to form a committee.

Hence, The number of ways to choose 3 students from 8 students is,

= [tex]^{8} C_{3}[/tex]

= 8! / (8-3)! 3!

= 8! / 5! 3!

= 8 x 7 x 6 / 3 x 2

= 56

Thus, There are 56 ways to choose a committee of students.

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By applying the lowest common multiple approach, Kyra may have acquired up to 12 rocks.

What does common factor mean?

A common factor is a whole number that is a factor of at least two other numbers. The highest common factor is the largest factor that will divide into two or more numbers (HCF). The phrase "lowest common multiple" refers to the smallest multiple that two or more numbers have in common (LCM).

The least common multiple of 2, 3, and 4 can be used to determine how much rock Kyra has.

Several of:

2 = 2, 4, 6, 8, 10, 12, 14, 16, 18, 20

3 = 3, 6, 9, 12, 15, 18, 21

4 = 4, 8, 12, 16, 20

The smallest number that 2, 3, and 4 have in common is 12. There are therefore 12 rock piles in Kyra's possession.

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The difference between exponents [tex](a^n)^m = a^{mn}[/tex] and [tex]a^nb^n = (ab)^n[/tex] has been described below

What are exponent?

Exponent tells us how many times a number is multiplied by itself.

For example : In [tex]2^4 = 2 \times 2 \times 2 \times 2[/tex]

Here, 2 is multiplied by itself 4 times.

If [tex]a^m = a \times a \times a \times....... \times a[/tex] (m times), a is the base and m is the index.

The laws of index are-

[tex]a^m \times a^n = a^{m + n}\\a^m \div a^n = a^{m-n}\\a^0 = 1\\a^{-n} = \frac{1}{a^n}\\\\a^m b^m = (ab)^m\\(\frac{a}{b})^n = \frac{a^n}{b^n}[/tex]

In case of  [tex](a^n)^m = a^{mn}[/tex], the base is single but in case of [tex]a^nb^n = (ab)^n[/tex], the base is a product of two numbers

If the base can be expressed as a product of different numbers,

[tex]a^nb^n = (ab)^n[/tex] is used

If the base cannot be expressed as a product, then [tex](a^n)^m = a^{mn}[/tex] is used

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The number of books each boy had based on the 3:1 ratio of the books remaining is 34 books

A ratio is a quantitative expression of the relationship between two values that indicates the relative proportion of each amount.

The initial number of books Ben had = The initial number of books Charlie has

The number of books Ben gave away = 16 books

The number of books Charlie gave away = 28 books

The ratio of the number of books Ben and Charlie had left is 3:1

Let x represent the number of books each of them initially have. Representing the numbers as a ratio gives;

The number of books Ben had left = x - 16

The number of books Charlie had left = x - 28

[tex]\dfrac{x - 16}{(x - 16) + (x - 28)} = \dfrac{3}{3+1}[/tex]

Which gives; [tex]\dfrac{x - 16}{(2\cdot x - 44) } = \dfrac{3}{4}[/tex]

4 × (x - 16) = 3 × (2·x - 44)

6·x - 4·x = 3×44 - 4×16 = 68

2·x = 68

x = 68 ÷ 2 = 34

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The equations using any method for the given situation illustrated that:

Equation for Jordan: 225 + 45w

Equation for RayAnn: 150 + 60w

Let the number of weeks be represented by w.

Jordan saved $225 and continues to save $45 each week. The equation for this will be:

= 225 + (45 × w)

= 225 + 45w

RayAnn saved $150 and continues to save $60 each week. The equation will be:

= 150 + (60 × w)

= 150 + 60w

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