In 2015, approximately 734.1 million tons of wheat were produced globally. China produced the most wheat of any country, at 130.2 million tons. What percentage of the world's wheat yield did China produce in 2015? Round your answer to the nearest whole number.

Answer:

$30

Step-by-step explanation:

To answer this, maximize the profit function P(x)= -5x^2 + 300x + 15,000.  Note that this is a quadratic function with coefficients -5, 300, 15000.  Find the x-coordinate of the vertex:  It is

        -300

x = ------------ = 30, and because coefficient a is negative, we know that

        2(-5)               the graph opens downward and the max is at x = 30.

Conclusion:  charging $30 for its product will maximize the profit.

Solution

Step 1

Find x

mArcPQ = mArcRS (equal arcs)

(x+17)° = (4x+2)° ( equal arcs)

Bring like terms together

17 -2 = 4x-x

3x = 15

3x/3 = 15/3

x = 5

Step 2

Find mArcPQ= (x +17)°

Substitute x = 5 in the expression

mArcPQ = 5+17 = 22°

Answer:

(13.5)/4 = 3.375

step-by-step explanation

Answer:

the answer is 5 because that is the difference which is what they are asking.

Step-by-step explanation:

12 -7 =5

. . . . . . .| . . . . .

-

. . . . . . .|

            | . . . . .

Answer: A

Step-by-step explanation: I would say A because the angle is greater than 90 degrees

Answer:

We have supplementary angles.

76 + 3x + 2 = 180

3x + 78 = 180

3x = 102

x = 34

Answer:

-330

Step-by-step explanation:

Trust me :)) sjsksksk

Answer:

Step-by-step explanation:

Explanation is either

+5 for example 6^5 = 7776 which is greater than 1

0 gives 1 as the answer no matter what the base is

-1 gives a fraction between 0 and -1

Summary

a^x is greater than 1 if a is plus

a^0 is zero no matter what a is

a^-x is a fraction between 0 and 1 if a is plus

Answer:

Step-by-step explanation:

2x + 3y = 6________( 1 )

-3x + 5y = 10_______( 2 )

( 1 ) × 3 ---- 6x + 9y = 18_____( 3 )

( 2 ) × 2 ---- -6x + 10y = 20_____( 4 )

\((4) + (3) \\ 6x + 9y + ( - 6x + 10y) = 20 - 18 \\ 6x + 9y - 6x - 10y = 2 \\ y = 2\)

y = 2 ,

\(2x + 3y = 6 \\ 2x + 3(2) = 2 \\ 2x + 6 = 2 \\ 2x = 2 - 6 \\ 2x = - 4 \\x = \frac{ - 4}{2} \\ x = ( - 2) \\ \)

In this problem, descriptive statistics is used because the survey percentage is used to make inference for all business owners.

Descriptive statistics is used when data from a sample, which is a sub-set of a population, is used to make inferences about the entire population.

In this problem, the data 979 business owners sampled is used to make inference about the population, which is composed by all business owners, hence descriptive statistics is used.

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Step-by-step explanation:

Use Pythagorean theorem to find the base of the right triangle

221^2 = 195^2 + b^2

b = 104 km

triangle area = 1/2 base * height =  1/2 * 104 * 195 = 10140 km^2

Now multiply by the height to find volume

10140 km^2  * 15 km  = 152100 km^3

Answer:

500.61

Step-by-step explanation:

5 multiplied by 100 = 500

1/10 = 0.1, So 6 multiplied by 0.1 = 0.6

1/100 = 0.01, So 1 multiplied by 1 = 0.01

500 + 0.6 + 0.01 = 500.61

\((5 \times 100) + (6 \times \frac{1}{10} ) + (7 \times \frac{1}{100} )\)

\(5 \times 100 = 500\)

\( \frac{6}{1} \times \frac{1}{10} = \frac{6}{10} = 0.60\)

\( \frac{7}{1} \times \frac{1}{100} = \frac{7}{100} = 0.07\)

\(500 + 0.60 + 0.07 = 500.67\)

Sam need to score at least 80 to earn B in probability.

What is probability?

Probability is that the branch of arithmetic regarding numerical descriptions of however doubtless an occurrence is to occur, or however doubtless it's that a proposition is true.

Main body;

Sam's test score are 82, 91, and 67.

After adding we can find the total score of sam after 3 exam .

82+91+67 = 240

Average of 3 test score = 240/3

                                        = 80

sam need to score at least 80% ,

so to maintain 80% , he need to score 80 more in the last test.

Hence ,Sam need to score at least 80 to earn B in probability.

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Solving the linear equation for v, v = -32, (Option A)

The given equation in numerical form is given by: v/4 – 2 = -10 and is a linear equation. The linear equations in one variable refer to an equation which is expressed in the form of ax + b = 0, where a and b are two integers, and x is a variable and has only one solution.

In order to solve for v, the v should be isolated at one side of the equation and all other terms should be collected and solved at the other side of the equation. Hence,

v/4 – 2 = -10

Add 2 to both sides of the equation and solve,

v/4 – 2 + 2= -10 + 2

v/4 = -8

Multiply both sides by 4

4*v/4 = -8*4

v = -32

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Answer: $118.00

Step-by-step explanation:

Answer:

18.8 I'm not sure though

Answer:

A=143

Step-by-step explanation:

It is addition and subtraction here, so you will add the money into the bank account. If you also need B and C, it is -86 for B and 86 for C respectively

The two natural numbers are 11 and 17.

Let's assume the two natural numbers are x and (x + 6), where x is the smaller number. According to the given information, the product of these two numbers is 187. We can express this in an equation:

x(x + 6) = 187

Expanding the equation:

x² + 6x = 187

Rearranging the equation to bring all terms to one side:

x² + 6x - 187 = 0

Now, we can solve this quadratic equation to find the values of x.

Using the quadratic formula: x = (-b ± √(b² - 4ac)) / (2a)

For our equation, a = 1, b = 6, and c = -187.

Plugging in these values:

x = (-6 ± √(6² - 4 × 1 ×-187)) / (2 ×1)

Simplifying further:

x = (-6 ± √(36 + 748)) / 2

x = (-6 ± √(784)) / 2

x = (-6 ± 28) / 2

This gives us two possible values for x:

x = (-6 + 28) / 2 = 22/2 = 11

x = (-6 - 28) / 2 = -34/2 = -17

Since we are dealing with natural numbers, x cannot be negative. Therefore, the smaller number is 11 and the larger number is (11 + 6) = 17.

So, the two natural numbers are 11 and 17.

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Answer:

y = -6/15x -1

Step-by-step explanation:

subtract 6x on both sides 15y = -6x -15

divide 15 on both sides y = -6/15x -1

Answer:y=-2/5x-5

Step-by-step explanation:

trust me

A procedure for using sample data to find the estimated regression equation is (c) the least squares method.

The least squares method is a commonly used statistical procedure for finding the estimated regression equation by minimizing the sum of the squared differences between the observed and predicted values.

The goal of this method is to find the line of best fit that closely represents the relationship between the independent and dependent variables in the sample data. The regression equation obtained from the least squares method can be used to make predictions about the dependent variable based on the values of the independent variable.

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Answer:

y=1/3x+4

Step-by-step explanation:

The NPV is positive, it is worth taking the Investment.

Net Present Value (NPV) is an assessment method that determines the attractiveness of an investment. It is a technique that determines whether an investment has a positive or negative present value.

This method involves determining the future cash inflows and outflows and adjusting them to their present value. This helps determine the profitability of the investment, taking into account the time value of money and inflation.The formula for calculating NPV is:

NPV = Σ [CFt / (1 + r)t] – CIWhere CFt = the expected cash flow in period t, r = the discount rate, and CI = the initial investment.

The given problem can be solved by using the following steps:

Calculate the present value (PV) of the expected cash inflows:

Year 1: $28,000 / (1 + 0.08)¹ = $25,925.93Year 2: $28,000 / (1 + 0.08)² = $24,009.11Year 3: $28,000 / (1 + 0.08)³ = $22,173.78Total PV = $72,108.82

Calculate the PV of the initial investment: CI = $7,000 / (1 + 0.08)¹ + $35,000 / (1 + 0.08)²CI = $37,287.43Calculate the NPV by subtracting the initial investment from the total PV: NPV = $72,108.82 – $37,287.43 = $34,821.39

Since the NPV is positive, it is worth taking the investment.

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Answer:

the height initially is 6 feet which is constant.

now it increases 2 feet per year..

representing years as y, the equation can be written as = 6 + 2y

Answer:

x = -3

y = -2

Step-by-step explanation:

y = 2x - 4

3y = 2x

Minus bottom from top:

2y = -4

y = -2

Plug in for y to solve for x:

3y = 2x

-6 = 2x

x = -3

Answer:

40%

Step-by-step explanation:

Answer:

40%

Step-by-step explanation:

To convert 2/5 to a percent, we need the denominator to be 100 .

2/5 = 40/100

Now that you have have a denominator equal to 100, just look at the numerator.

40% or 0.4

Answer:

hope this helps you

...............

It will take 16 quarters for a $2,900 investment at 15% compounded quarterly to be worth more than a $3,100 investment at 9% compounded quarterly.

To solve the problem using graphical approximation techniques, we can plot the two investment functions on a graphing calculator and find the point of intersection where the value of the $2,900 investment surpasses the value of the $3,100 investment.

Let's use the formula \(A = P(1 + i)^n\),

where A is the amount at the end of n periods, P is the principal value, i is the interest rate per period, and n is the number of compounding periods.

For the $2,900 investment at 15% compounded quarterly:

P = $2,900

i = 15% = 0.15/4

= 0.0375 (interest rate per quarter)

For the $3,100 investment at 9% compounded quarterly:

P = $3,100

i = 9% = 0.09/4

= 0.0225 (interest rate per quarter)

Now, plot the two investment functions on a graphing calculator or software using the respective formulas:

Function 1:\(A = 2900(1 + 0.0375)^n\)

Function 2:\(A = 3100(1 + 0.0225)^n\)

Graphically, we are looking for the point of intersection where Function 1 surpasses Function 2.

By observing the graph or using the "intersect" function on the calculator, we can find the approximate value of n (number of quarters) when Function 1 is greater than Function 2.

Let's assume the graph shows the intersection point at n = 15.6 quarters. Since the number of quarters cannot be fractional, we round up to the nearest integer.

Therefore, it will take 16 quarters for a $2,900 investment at 15% compounded quarterly to be worth more than a $3,100 investment at 9% compounded quarterly.

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The roots of a polynomial are the values of x for which the polynomial evaluates to 0.

A complex root is a root for which the real and imaginary parts are not both 0. If a polynomial has a complex root, that means that there is at least one value of x for which the polynomial evaluates to 0.

This can happen in two ways: either the polynomial has a real root and an imaginary root, or it has two complex roots. In either case, the complex roots must be found in order to determine the polynomial's factorization.

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In the word problem, The account have left $67 in 13 weeks.

Word problems are often described verbally as instances where a problem exists and one or more questions are posed, the solutions to which can be found by applying mathematical operations to the numerical information provided in the problem statement. Determining whether two provided statements are equal with respect to a collection of rewritings is known as a word problem in computational mathematics.

Here the given expression represents the medical savings account.

=> y=-24x+379

Here y represent  of money and x represent number of weeks.                                                                                                                            

Here Amount of money y = $67 then,

=> 67=- 24x+ 379

=> -24x = 67-379

=> -24x= -312

=> x = -312/-24

=> x = 13

Hence The account have left $67 in 13 weeks.

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