Divide and write your answer in standard notation to the nearest whole number with commas.

Divide And Write Your Answer In Standard Notation To The Nearest Whole Number With Commas.

Answers

Answer 1

Answer:

The answer is 1×10⁶ to the nearest whole number

Step-by-step explanation:

7.6×10⁰/5.4×10‐⁶

7.6×10^(0-(-6)/5.4

7.6×10^(0+6)/5.4

7.6×10⁶/5.4

=1×10⁶ to the nearest whole number


Related Questions

What is x if cos(15%) = x/5?
A. cos(15%)/5
B. cos(75°)
C. 5cos(15%)
D. cos(3⁰)

Answers

To solve for x, we can use the given equation:

cos(15%) = x/5

We can rearrange this equation to solve for x by multiplying both sides by 5:

5 cos(15%) = x

Therefore, the value of x is 5 times the cosine of 15%. The correct answer is (C) 5cos(15%).

how many frequent flyer program members are reported in newspaper quintile v? remember to report your answer with regards to the (000) format!

Answers

The number of frequent flyer program members in newspaper quintile V.

The information related to that specific quintile.
Unfortunately, you didn't provide the required data to calculate the number of frequent flyer program members in newspaper quintile V.

To understand what the given data represents.

Since the question is asking for the number of frequent flyer program members in newspaper quintile V.

The data is provided, I will guide you through a step-by-step process to find the answer and ensure that it is reported in the (000) format, as you requested.

Please provide the relevant data, and I'll be more than happy to help you calculate the answer.

Once the information is given, I will walk you through a step-by-step procedure to identify the solution and make sure it is presented in the (000) format, as you asked, when I have the data.

Comprehend what the provided data means.

Given that the number of frequent flyers programmed members in newspaper quintile V is the subject of the issue.

Information pertinent to that particular percentile.

Unfortunately, you didn't supply the information needed to determine how many people in newspaper quintile V are members of frequent flyer programmed.

The pertinent information, and I'll be pleased to assist you in coming up with the solution.

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Evaluate 6x + 12 when x=6

Answers

Answer:48

Step-by-step explanation:

substitute

6(6)+12

36+12

48

Answer:

48

Step-by-step explanation:

6x + 12  Substitute 6 for x

6(6) + 12

36 + 12

48

Helping in the name of Jesus.

Simplify. 6 5/8- 2 1/2

Answers

To simplify the expression 6 5/8 - 2 1/2, we need to first convert the mixed numbers to improper fractions and then find a common denominator to subtract them.

6 5/8 = (8 × 6 + 5) / 8 = 53 / 8
2 1/2 = (2 × 2 + 1) / 2 = 5 / 2

Now we find a common denominator, which is 8 × 2 = 16.

53 / 8 - 5 / 2 = (53 × 2 - 5 × 8) / (8 × 2) = (106 - 40) / 16 = 66 / 16

The fraction 66 / 16 can be simplified by dividing both the numerator and denominator by their greatest common factor, which is 2.

66 / 16 = (2 × 33) / (2 × 8) = 33 / 8

Therefore, 6 5/8 - 2 1/2 = 33 / 8, or in mixed number form, 4 1/8.

cuantos números
primos son a la vez la suma y la diferencia

Answers

Answer: there is only one number

Answer:

Solo hay un número primo que se puede escribir como suma de dos números primos y también como diferencia de dos números primos.

Espero haber ayudado :D

brainliest+100 points

Answers

Answer:

1.

Monomial

A monomial is a single term algebraic expression. e.g.

4xy-3x^25y^3

Binomial

A binomial is a two-term algebraic expression. e.g.

2x + 5-3y + 74x^2 - 2x

Trinomial

trinomial is a three-term algebraic expression.

e.g.

x^3 - 2x^2 + 3x2x^2 + 4xy - 6y^23x^3 + 4x^2 - 5x

Polynomial

A polynomial is a sum of one or more monomials.

e.g.

4x^3 - 3x^2 + 2x + 12x^4 + 3x^3 - 4x^2 + 5x - 66x^2 + 4xy - 2y^2

Degree of a polynomial

the degree of a polynomial is the highest power of the variable in any of the terms.

e.g.

3x^4 + 2x^3 - 5x^2 + x - 7 (degree = 4)-2x^3 + 5x^2 - 3x + 1 (degree = 3)4x^5 - 2x^2 + 7 (degree = 5)

2.

2x² - 4x + 3

The collection of algebra tiles includes 2 blue tiles with x², 4 red tiles with -x, and 3 yellow tiles with constant 1. By interpreting the tiles as algebraic terms, we can form the expression 2x² - 4x + 3, which combines the terms to represent the tiles' arrangement. The expression can be simplified or manipulated further using algebraic operations.

3.

algebra tiles to model the expression 3x²-4x+7.

I can only give sample:

3 red tiles containing x²

4 blue tiles containing -x.

7 white tiles containing 1.

The above drawing is the answer to no. 3 you can see the explaination in no.3 below.

Monomial

My Understanding of this term

Monomial, where only one term is there. We use no addition and subtraction sign to separate the variables.

An example that illustrates this term

5xy

Binomial

My understanding of this term

Binomial, where two terms are there. We use either addition or subtraction but separate only two variables.

An example that illustrates this term

4xy+ 2xya

Trinomial

My understanding of this term

Trinomial, where three terms are there. We use either both addition and subtraction sign or only subtraction or only addition. But we separate only three variables.

An example that illustrates this term

4xy+2ca+asd

Polynomial

My understanding of this term

Polynomial, where four or more than four terms.We use either both addition and subtraction sign or only subtraction or only addition. But we separate four or more than four variables.

An example that illustrates this term

4xy+2ca+asd+4xzy+10axy

Degree of a Polynomial

My understanding of this term

Degree of Polynomial is the highest of the degrees of the polynomial's Monomial's with non zero polynomial.

An example that illustrates this term

[tex]2 {x}^{2} + 5x {y}^{6} =6[/tex]

6 is the degree of polynomial as it is the highest.

2.

[tex]2 {x}^{2} - 4x + 3[/tex]

3.

[tex]3 {x}^{2} - 4x + 7[/tex]

The above drawing is the answer to the question. As it is a bit dirty I will explain it

as in no. 2 question you have to do the same way

the blue colour type should be 3 tiles of x^2. Then the red one should be same as no. 2. Then the yellow one we should write 7 ones.

ie

1 1 1 1 1 1 1

In yellow tyles

I hope it helped you.

Can someone help me asap? It’s due tomorrow.

I will give brainliest if it’s correct

Answers

Answer:

it's stratified sampling

John buys new baseball equipment for $2000. The purchase made is with a credit card that has a 19% APR. John makes a $150 payment monthly. How many months will it take John to pay off the balance?

Answers

It will take John approximately 17 months to pay off the balance.

What is simple interest?

Simple Interest (S.I.) is the method of calculating the interest amount for a particular principal amount of money at some rate of interest.

Assuming that John does not use the credit card for any other purchases and that the credit card company uses a simple interest calculation method, we can use the following steps to calculate the number of months it will take John to pay off the balance:

Calculate the monthly interest rate by dividing the annual percentage rate (APR) by 12:

Monthly interest rate = 19% / 12 = 0.01583

Calculate the monthly finance charge by multiplying the outstanding balance by the monthly interest rate:

Monthly finance charge = $2000 x 0.01583 = $31.66

Subtract the monthly payment from the monthly finance charge to get the amount that will be applied to the outstanding balance:

Payment applied to balance = $150 - $31.66 = $118.34

Divide the outstanding balance by the payment applied to balance to get the number of months it will take to pay off the balance:

Number of months to pay off balance = $2000 / $118.34 = 16.9

(rounded up to the nearest whole number)

Therefore, it will take John approximately 17 months to pay off the balance.

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Solve Triangle

Because I Need Answer My Assignment:⁠-⁠)​

Good Perfect Complete=Brainlist

Copy Wrong Incomplete=Report

Good Luck Answer Brainly Users:⁠-⁠)​​

Answers

Answer:

x = 4√5 ≈ 8.94 (2 d.p.)

y = 8√5 ≈ 17.89 (2 d.p.)

Step-by-step explanation:

To find the values of x and y, use the Geometric Mean Theorem (Leg Rule).

Geometric Mean Theorem (Leg Rule)

The altitude drawn from the vertex of the right angle perpendicular to the hypotenuse separates the hypotenuse into two segments. The ratio of the hypotenuse to one leg is equal to the ratio of the same leg and the segment directly opposite the leg.

[tex]\boxed{\sf \dfrac{Hypotenuse}{Leg\:1}=\dfrac{Leg\:1}{Segment\;1}}\quad \sf and \quad \boxed{\sf \dfrac{Hypotenuse}{Leg\:2}=\dfrac{Leg\:2}{Segment\;2}}[/tex]

From inspection of the given right triangle RST:

Altitude = SVHypotenuse = RT = 20Leg 1 = RS = ySegment 1 = RV = 16Leg 2 = ST = xSegment 2 = VT = 4

Substitute the values into the formulas:

[tex]\boxed{\dfrac{20}{y}=\dfrac{y}{16}}\quad \sf and \quad \boxed{\dfrac{20}{x}=\dfrac{x}{4}}[/tex]

Solve the equation for x:

[tex]\implies \dfrac{20}{x}=\dfrac{x}{4}[/tex]

[tex]\implies 4x \cdot \dfrac{20}{x}=4x \cdot \dfrac{x}{4}[/tex]

[tex]\implies 80=x^2[/tex]

[tex]\implies \sqrt{x^2}=\sqrt{80}[/tex]

[tex]\implies x=\sqrt{80}[/tex]

[tex]\implies x=\sqrt{4^2\cdot 5}[/tex]

[tex]\implies x=\sqrt{4^2}\sqrt{5}[/tex]

[tex]\implies x=4\sqrt{5}[/tex]

Solve the equation for y:

[tex]\implies \dfrac{20}{y}=\dfrac{y}{16}[/tex]

[tex]\implies 16y \cdot \dfrac{20}{y}=16y \cdot \dfrac{y}{16}[/tex]

[tex]\implies 320=y^2[/tex]

[tex]\implies \sqrt{y^2}=\sqrt{320}[/tex]

[tex]\implies y=\sqrt{320}[/tex]

[tex]\implies y=\sqrt{8^2\cdot 5}[/tex]

[tex]\implies y=\sqrt{8^2}\sqrt{5}[/tex]

[tex]\implies y=8\sqrt{5}[/tex]

Which set of numbers is correctly ordered from greatest to least?

7 1/3, 221/30, 7. 36, 2. 4, 3

Answers

The set of numbers, from greatest to least that is in ascending order, is 7.37, 7.36, 7.33, 3.0, 2.4.

First, let's look at the whole numbers in the set: 3 and 7. It's clear that 7 is larger than 3, so we can put them in order like this: 7, 3.

Next, let's look at the mixed number: 7 1/3. We can convert this to a decimal by dividing 1 by 3 and adding it to 7, giving us 7.33. Now we can compare this decimal to the others in the set. We can see that 7.36 is larger than 7.33, so we put them in order like this: 7.36, 7.33.

Now we have three decimals left to order: 2.4, 3.0, and 221/30. To compare the decimals, we can look at the whole number parts first. 3 is clearly larger than 2, so we put them in order like this: 3.0, 2.4.

Finally, we need to compare 221/30 to the decimals we have already ordered. We can convert 221/30 to a decimal by dividing 221 by 30, giving us 7.37. We can see that 7.37 is larger than both 2.4 and 3.0, so we put them in order like this: 7.37, 3.0, 2.4.

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Write the functions in standard form:
h(x)=2(x-3)²-9
h(x)=
p(x) = -5(x + 2)² + 15
p(x)=

Answers

Answer:

[tex]h(x)=2x^2-12x+9[/tex],  [tex]p(x)=-5x^2-20x-5[/tex]

Step-by-step explanation:

To get to the standard form of a quadratic equation, we need to expand and simplify. Recall that standard form is written like so:

[tex]ax^2+bx+c[/tex]

Where a, b, and c are constants.

Let's expand and simplify h(x).

[tex]2(x-3)^2-9=\\2(x^2+9-6x)-9=\\2x^2+18-12x-9=\\2x^2+9-12x=\\2x^2-12x+9[/tex]

Thus, [tex]h(x)=2x^2-12x+9[/tex]

Let's do the same for p(x).

[tex]-5(x+2)^2+15=\\-5(x^2+4+4x)+15=\\-5x^2-20-20x+15=\\-5x^2-5-20x=\\-5x^2-20x-5[/tex]

Thus, [tex]p(x)=-5x^2-20x-5[/tex]

please help it’s a review question but i don’t get it

Answers

Possible translations such that the graph passes through the point (1,2) are given as follows:

Translate the graph one unit right and one unit up.Translate the graph three units right and two units down.

What is a translation?

A translation happens when either a figure or a function is moved horizontally or vertically on the coordinate plane.

The four translation rules for functions are defined as follows:

Translation left a units: f(x + a).Translation right a units: f(x - a).Translation up a units: f(x) + a.Translation down a units: f(x) - a.

Two possible translations for the function to pass through the point (1,2) are given as follows:

Translate the graph one unit right and one unit up, considering that the function passes through the point (0, 1), hence x + 1, y + 1.Translate the graph three units right and two units down, considering that the function passes through the point (-2, 4).

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It costs $50 every two days to rent a bike. The amount y is proportional to the number x of days the bike is rented. a. Find the rate of change (slope) in simplest form. b. Write an equation that represents the situation. c. How many dollars will you pay for renting the bike 6 days?

Answers

Therefore , the solution of the given problem of equation comes out to be the cost of renting the bike for six days is $150.

What is equation?

Variable words are frequently used in complex algorithms to show consistency between two competing arguments. Academic expressions called equations are used to show the equality of various academic figures. Think on the details connected to those x + 7 proposals. In contrast to another method that involved splitting 12 identical components into two halves, elevating in this case yields b + 7 while building y + 7 and integrating.

Here,

The amount y changes in relation to how many days x the bike is rented; this is known as the rate of change (slope).

The rate of change (slope) is $50 every two days, or $25 per day, because renting a bike costs $50 every two days.

b. The scenario is represented by the equation

=> y = 25x.

c. You can enter x = 6 into the equation to get the price for renting the bike for six days:

=> y = 25(6)

=>  y = 150

Therefore, the cost of renting the bike for six days is $150.

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Use the model below to find 1/4 divded by 3/4

Answers

For dividing fractions it's also useful to know that the first fraction (1/4) is called the dividend and the second fraction (3/4) is called the divisor.

Let's set up 1/4 and 3/4 side by side so they are easier to see:

1/4  /  3/4

When we find the reciprocal, we also have to change the division sign to a multiplication sign:

1/4 x 4/3

Once you've flipped the second fraction and changed the symbol from divide to multiply, we can multiply the numerators together and the denominators together and we have our solution:

1 x 4 / 4 x 3 = 4/12

Here's a little bonus calculation for you to easily work out the decimal format of the fraction we calculated. All you need to do is divide the numerator by the denominator and you can convert any fraction to decimal:

4/12 = 0.3333

the dimensions of noah’s ark were reported as 3.0 × 102 cubits by 5.0 × 101 cubits. express this size in units of feet (1 cubit = 1.5 ft)

Answers

The dimensions of Noah's Ark in feet are 450 feet by 75 feet if the dimensions of Noah's Ark is 3.0 × 102 cubits by 5.0 × 101 cubits.

Noah's Ark is said to have dimensions of 3.0 × 10^2 cubits by 5.0 × 10^1 cubits. To convert these measurements to feet, we can use the conversion factor of 1 cubit = 1.5 feet.

First, we need to convert the length of the ark from cubits to feet. To do this, we multiply the length of the ark in cubits (3.0 × 10^2) by the conversion factor of 1.5 feet/cubit. This gives us a length of

3.0 × 10^2 cubits x 1.5 feet/cubit = 450 feet

Similarly, we can convert the width of the ark from cubits to feet by multiplying the width in cubits (5.0 × 10^1) by the conversion factor of 1.5 feet/cubit. This gives us a width of:

5.0 × 10^1 cubits x 1.5 feet/cubit = 75 feet

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Write the equation of the line passing through (3,4) and (3,-2).

Answers

Answer:

Step-by-step explanation:

x=3

Seth and Emma are finding the volume of a rectangular prism.

Answers

Answer:

Unfortunately, I can't give any information. There is nothing to evalutate

Step-by-step explanation:

N/A

lee had scored the following points in his first 8 games 12,14,14,15,8,10,3,15 enter the number of points lee needs to score in the nest game to increase his keam score to 13 points PLS ANSER FASTE

Answers

To find out the current total points that Lee has scored in his first 8 games, we need to add up all the points:

12 + 14 + 14 + 15 + 8 + 10 + 3 + 15 = 91

To increase his average score to 13 points, we need to find out how many points he needs to have a total of 9 games with an average score of 13.

To do this, we can use the formula:

(91 + x) / 9 = 13

where x is the number of points Lee needs to score in his next game.

Multiplying both sides by 9, we get:

91 + x = 117

Subtracting 91 from both sides, we get:

x = 26

Therefore, Lee needs to score 26 points in his next game to increase his average score to 13 points.

What is the equation of the line 2x+3y+1=0 after it has been reflected across y=-1 and rotated about o(2,3) by 180

Answers

The equation of the line 2x + 3y + 1 = 0 after it has been reflected across y = -1 and rotated about O(2,3) by 180 degrees is -2x + y = 15.

To reflect the line 2x + 3y + 1 = 0 across the line y = -1, we need to subtract twice the y-coordinate of each point on the line from the equation of the line.

This is because the reflection of a point across a line is obtained by reflecting it across the line's perpendicular bisector, which is also the line with the same x-coordinates and twice the distance from the point to the line.

Subtracting twice the y-coordinate, we get:

2x + 3(-2y - 1) + 1 = 0

Simplifying the equation, we get:

2x - 6y - 5 = 0

Now, to rotate the line about the point O(2,3) by 180 degrees, we can use the rotation formula:

x' = 2a - x

y' = 2b - y

where (x,y) are the coordinates of a point on the original line, and (x',y') are the coordinates of the same point after rotation about the point (a,b).

Substituting the coordinates of two points on the line, we get:

(0,-1) → x' = 2(2) - 0 = 4, y' = 2(3) - (-1) = 7

(-1/2,0) → x' = 2(2) - (-1/2) = 4 1/2, y' = 2(3) - 0 = 6

Now, we can use the two points (4,7) and (4 1/2,6) to find the equation of the rotated line using point-slope form:

slope = (6-7) / (4 1/2 - 4) = -2

y - 7 = -2(x - 4)

y = -2x + 15

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Why do you think x=0 resulted in both equations having y=2, but x-1 and x = 2 resulted
in both equations having different values for y?

Answers

Thus, the value of x = 1 and x = -1, there are different values for y for both equations: y = x + 2 and y = x + 2.

Explain about the linear equation:

A two-variable linear equation can be thought of as a perfect correlation between x and y, or two variables whose values rely on each other (often y and x) (usually x). Y is referred to as the dependent variable in this scenario since it depends on the independent variable, x.

Part A: x = 0

y = x + 2 =  0 + 2 = 2

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

y has same values for x  = 0.

Part B: x = 1

y = x + 2 = 1+2 = 3

y = -2x + 2 = -2(1) + 2 = 0

y does not have same values.

Part C: x = -1

y = x + 2 = (-1)+2 = 1

y = -2x + 2 = -2(-1) + 2 = 4

y does not have same values.

Thus, the value of x = 1 and x = -1, there are different values for y for both equations: y = x + 2 and y = x + 2.

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there are 41 students in an elementary statistics class. on the basis of years of experience, the instructor knows that the time needed to grade a randomly chosen first examination paper is a random variable with an expected value of 5 min and a standard deviation of 4 min. (round your answers to four decimal places.) a button hyperlink to the salt program that reads: use salt. (a) if grading times are independent and the instructor begins grading at 6:50 p.m. and grades continuously, what is the (approximate) probability that he is through grading before the 11:00 p.m. tv news begins? (b) if the sports report begins at 11:10, what is the probability that he misses part of the report if he waits until grading is done before turning on the tv?

Answers

The probability that the instructor misses part of the sports report if he waits until grading is done before turning on the TV is 0.0177 or about 1.77%.

The total time needed to grade all the papers.

The expected value of grading one paper is 5 minutes, so the expected value of grading all [tex]41 papers are 41 \times 5 = 205[/tex] minutes.

The standard deviation of grading one paper is 4 minutes, so the standard deviation of grading all 41 papers is the square root of [tex](41 \times 4^2) = 25.92 minutes.[/tex]
The probability that the instructor is through grading before the 11:00 p.m.

TV news begins, we need to find the probability that the total grading time is less than 4 hours and 10 minutes (since the instructor starts grading at 6:50 p.m.).

Standardize this value using the formula[tex]z = (x - mu) /sigma, [/tex]

x is the time limit (250 minutes), mu is the expected total grading time (205 minutes), and sigma is the standard deviation of the total grading time (25.92 minutes).
So, [tex]z = (250 - 205) / 25.92 = 1.74.[/tex]

The probability corresponding to this z-value in a standard normal distribution table or use a calculator to find that the probability is approximately 0.0418.

The approximate probability that the instructor is through grading before the 11:00 p.m.

TV news begins is 0.0418 or about 4.18%.
To find the probability that the instructor misses part of the sports report if he waits until grading is done before turning on the TV, we need to find the probability that the total grading time is greater than or equal to 4 hours and 20 minutes (since the sports report begins at 11:10 p.m.).

We can standardize this value using the same formula as before and find that [tex]z = (260 - 205) / 25.92 = 2.12.[/tex]

A standard normal distribution table or a calculator, we can find that the probability corresponding to this z-value is approximately 0.0177.

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Calcular las edades de Marcos, Betiana y Sabrina sabiendo que la edad de Sabrina es un tercio de la edad de Betiana más Marcos. La edad de Betiana más la de Sabrina es igual a la edad de Marcos menos 18 y entre los tres suman 72 años

Answers

Marcos is 45 years old, Betiana is 9 years old, and Sabrina is 18 years old.

Let's start by defining the variables for each person's age

Marcos' age = M

Betiana's age = B

Sabrina's age = S

From the problem statement, we know

S = 1/3 (B + M)

B + S = M - 18

M + B + S = 72

We can use equation (1) to substitute S in equation (2)

B + (1/3)(B + M) = M - 18

Multiplying both sides by 3

3B + B + M = 3M - 54

Simplifying

4B = 2M - 54

We can also use equation (1) to substitute S in equation (3)

M + B + (1/3)(B + M) = 72

Multiplying both sides by 3:

3M + 3B + B + M = 216

Simplifying

4M + 4B = 216

Now we have two equations with two unknowns

4B = 2M - 54

4M + 4B = 216

Solving for B in the first equation

B = (2M - 54)/4

B = (M - 27)/2

Substituting in the second equation

4M + 4((M - 27)/2) = 216

Simplifying:

4M + 2M - 54 = 216

6M = 270

M = 45

Substituting M = 45 in the equation we found for B

B = (45 - 27)/2 = 9

Finally, using equation (1) to find S

S = 1/3 (B + M) = 1/3 (9 + 45) = 18

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HELP PLEASE !!!!!
The area of a circle can be found using the formula A = (pi)r^2. Find the area of the circle with a radius of 3xy^3.

Answers

To find the area of a circle with a radius of 3xy^3, we can substitute the value of the radius, which is 3xy^3, into the formula for the area of a circle, A = πr^2. Here's the calculation:

Given: Radius, r = 3xy^3

Plugging in the value of r into the formula:
A = π(3xy^3)^2

Simplifying the expression inside the parentheses:
A = π(9x^2y^6)

Using the exponent rule for squaring a power:
A = π(9x^2)(y^6)

Multiplying the coefficients and keeping the variables separate:
A = 9πx^2y^6

So, the area of the circle with a radius of 3xy^3 is 9πx^2y^6.

velvetleaf is a particularly annoying weed in cornfields. it produces lots of seeds, and the seeds wait in the soil for years until conditions are right for sprouting. how many seeds to velvetleaf plants produce? the histogram shows the counts from a random sample of 28 plants that came up in a cornfield when no herbicide was used.

Answers

The histogram shows that the majority of velvetleaf plants produced between 0 and 500 seeds. The highest count was 2,000 seeds, and the lowest count was 0 seeds. On average, velvetleaf plants produce around 500 seeds.

I need help please I will give brainliest to the best answer...

Answers

The value of x in the intersecting chords that extend outside circle is 5

Calculating the value of x

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

intersecting chords that extend outside circle

Using the theorem of intersecting chords, we have

4 * (x + 6 + 4) = 6 * (x - 1 + 6)

Evaluate the like terms

So, we have

4 * (x + 10) = 6 * (x + 5)

Using a graphing tool, we have

x = 5

Hence. the value of x is 5

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Jamie was working on his math homework with his friend, Kent. Jamie looked at the following problem. −9. 5 − (−8) − 6. 5 He told Kent that he did not know how to subtract negative numbers. Kent said that he knew how to solve the problem using only addition. What did Kent mean by that? Explain. Then, show your work, and represent the answer as a single rational number

Answers

The value of the expression as a single rational number is -8.

Kent was likely referring to the idea that subtracting a negative number is the same as adding a positive number. Specifically, to subtract a negative number, we can add the opposite of that number (i.e., the positive version of that number). In this case, we can rewrite the expression as:

= -9.5 - (-8) - 6.5

= -9.5 + 8 - 6.5      (replacing -(-8) with its positive equivalent 8)

= (-9.5 - 6.5) + 8    (grouping like terms)

= -16 + 8                (simplifying)

= -8

Therefore, the value of the expression is -8, which is a single rational number.

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Find the product of 6 and 9.

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Answer:

Step-by-step explanation:

6x9=54

I’m completely lost on this, so if you have any ideas, please let me know

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The number of seconds after which the ball will hit the ground will be: 0.022 seconds when rounded to the nearest tenth.

How to find the length of time

To find the length of time, the question first requires that we obtain the values for g, Vo and H. We will proceed by using the kinematic equation that makes a relationship between the vertical displacement of an object, its initial velocity, acceleration due to gravity, and time:

y = Vo*t + (1/2)gt^2.

To obtain the value of g, we will use the value of acceleration due to gravity, which is approximately 32 ft/s^2.

Also, to find Vo, we use the initial velocity of the ball, which is 64 ft/s, and for the value of H, we use the initial vertical displacement of the ball, which is 12 ft.

When we substitute all of these figures into the first equaltion, we will have:

-12 = 64t + (1/2)gt^2

Multiplying both sides by 2 and rearranging, we get:

g*t^2 + 128t - 24 = 0

Using the quadratic formula, we get:

t = (-128 ± sqrt(128^2 - 4g(-24)))/(2*g)

t = (-128 ± sqrt(16384 + 384))/64

t = (-128 ± sqrt(16768))/64

t = (-128 ± 129.4)/64

So, t = 1.4/64 or t = -257.4/64

The negative root does not align with the value of time in reality. Therefore, the time it takes for the ball to hit the ground is: t = 1.4/64 = 0.022 seconds.

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explain why we call the national halothane study an observational study rather than an experiment, even though it compared the results of using different anesthetics in actual surgery.in order to be an experiment, the subjects would have to be randomly selected from the population. however, these are hospital patients who all have some disease or condition and have not been randomly selected from the population, which includes both healthy and sick people.in order to be an experiment, the treatments (choice of anesthetic) would have to be randomly assigned. instead, a patient's anesthetic is selected by his or her doctor(s).there is not enough information to say for sure, but it is safer to assume that it is only an observational study, so that we are not overconfident about the results.actually, it is an experiment and not an observational study.

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We the best reason behind why we call National halothane study is an observational study rather than an experiment is: " In order to be an experiment, the treatments (choice of anesthetic) would have to be randomly assigned." So, option( b) is right one.

We have data from the National Halothane Study that correlates with important research into the safety of anesthetics used in surgery. The above shows the death rate and aesthetic. There is a relationship between the anesthetic used and the death of the patient. The data was collected after that the anesthesia was administered is started. In the observational study, interesting observer in the subjects & any treatment that the subjects recive are beyond the council of the investigators. Here the motion of anaesthesia is anesthetics used her determined by the doctors and the investigators are simply observing. So, it is an observational study due to because in order to be an experiment, the treatments (choice of anesthetic) would have to be randomly assigned. Instead, a patient's anesthetic is selected by his or her doctor(s).

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Complete question:

The National Halothane Study was a major investigation of the safety of anesthetics used in surgery. Records of over 850,000 operations performed in 34 major hospitals showed the following death rates for four common anesthetics:27 Anesthetic A Death rate B CD 1.7% 1.7% 3.4% 1.9% There is a clear association between the anesthetic used and the death rate of patients. Anesthetic C appears dangerous.

a) in order to be an experiment, the subjects would have to be randomly selected from the population. however, these are hospital patients who all have some disease or condition and have not been randomly selected from the population, which includes both healthy and sick people.

b) in order to be an experiment, the treatments (choice of anesthetic) would have to be randomly assigned. instead, a patient's anesthetic is selected by his or her doctor(s).

c) there is not enough information to say for sure, but it is safer to assume that it is only an observational study, so that we are not overconfident about the results.

d) actually, it is an experiment and not an observational study.

if you decide whether you want to see an entire movie based on a 90-second trailer, are you using a sampling technique? could this be described as a scientific sampling technique?

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Sampling is a statistical method of selecting a representative subset of a larger population, in order to make inferences about the population as a whole.

If you decide whether you want to see an entire movie based on a 90-second trailer, you are not using a sampling technique. In this case, you are making a personal decision based on a brief preview of the movie This decision is not based on a random or representative sample of the movie, nor is it part of a systematic or scientific sampling technique.

Therefore, it would not be accurate to describe this decision as a scientific sampling technique. However, movie studios may use sampling techniques to gather data on audience reactions to trailers and other promotional materials, in order to make informed decisions about marketing and distribution strategies.

For example, they may conduct surveys or focus groups to gather feedback on specific elements of the trailer, such as the plot, characters, or visual effects. This data can then be used to refine the marketing campaign and increase the likelihood of a successful release.

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