easy points but please answer with correct answer:)

Answer:

Ans = 73.75

Step-by-step explanation:

(35 + 75 + 85 + 100)/4

- - - - - - - - - - - - - - - -

There is some unnecessary information in the problem, first, it should be removed.

"The dosage of cough medicine for a child 4 to 6..."

"2 days"

Listing the age and days don't matter here, it's the rest of the problem that matters!

- - - - - - - - - - - - - - - -

"1/2(a teaspoon) every 4 hours,"  This is one dose. Multiply 1/2 by five to see how many teaspoons are consumed.

1/2 x 5 = 2 1/2 (teaspoons)

- - - - - - - - - - - - - - - -

Good luck! :)

~pinetree

Answer:

❁ Hello! ❁

21b⁴ - 3b = 3b(7b³ - 1)

Answer: -12/-5x

Step-by-step explanation: use slope formula which is y2-y1/x2-x1

-7-5/-2-3

-12/-5

And then add x after the slope because slopes have x after them

Answer:

Answer:

1. = 1

2. -1/3

Step-by-step explanation:

1. (2,4) and (1,3)

The slope formula is   y2-y1

                                    ---------

                                     x2-x1

__________________________________________________________

y2=3

y1=4

x2=1

x1=2

Therefore, the slope is 1, and the correct answer is 1.

__________________________________________________________

2. (2,7) and (5,6)

The slope formula is   y2-y1

                                    ---------

                                     x2-x1

Therefore, the slope is -1/3, and the correct answer is -1/3.

______________________________________________

Hope this helps!

Step-by-step explanation:

please give brainliest :3

ive never gotten brainliest

m / 5 + 4- 6

using the order of operation

PEMDAS

m/5 + 4 - 6

division first

m/ 5 + ( 4 - 6)

m/5 + (-2)

= m/5 - 2

find the lcm

the lcm is 5

m - 10 / 5

The answer is m - 10 / 5

Answer:

C. Underroot(108/185)(1 − 108/185)185 + (92/165)(1−92/165)165.

Step-by-step explanation:

Sample size, n1 = 185

x1, = 108

P1 = x1 / n1 = 108 / 185 =

Sample size, n2 = 165

x2, = 92

P2 = x2 / n2 = 92/165

Standard Error = sqrt[(p1(1-p1))/n1 + (p2(1-p2))/n2]

sqrt[(108/185(1 - 108/185)) /185 + (92/165(1 - 92/165)) / 165]

Answer:

Step-by-step explanation:

f(3)=2*3^2 - 3*3^2 + 1

=2*9 - 3*9 + 1

=18-27+1

=19-27

=-8

Answer:

f ( 3 ) = -8

Step-by-step explanation:

→ Substitute x = 3 into 2x² - 3x² + 1

2 × ( 3 )² - ( 3 × ( 3 )² ) + 1

→ Simplify

-8

It is possible to compute the average annual return on investment. on average, your investment yields an annual return of \(12.6\)%.

What cause the average annual return of the investment?

To calculate the average annual return on your investment, we can use the formula for compound interest:

\(A = P(1 + r/n)^(nt)\)

Where:

\(A =\) the final amount of money in the account

\(P =\) the initial investment

\(r =\) the annual interest rate (as a decimal)

\(n =\) the number of times the interest is compounded per year

\(t =\) the number of years

The formula can be changed to account for the annual interest rate.

\(r = n[(A/P)^(1/nt) - 1]\)

Given:

P = $\(5000\)

A = $\(18000\)

t = \(10\) years

We must locate n and r.

We must know how frequently the interest is compounded in order to calculate n. Assume it is compounded once a year.

Therefore, \(n = 1\)  .

We can now determine r:

\(r = 1[(18000/5000)^(1/10) - 1]\)

\(r = 0.126 or 12.6%\)

Therefore, the average annual return on your investment is \(12.6\)%.

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The number of multiple-choice and short-answer questions on a test with 65 questions will be 40 and 25 respectively.

To determine the number of multiple-choice and short-answer questions on a test with 65 questions, we can set up a proportion based on the given ratio:

Multiple-choice questions : Short-answer questions = 8 : 5

Let x be the number of multiple-choice questions.

Let y be the number of short-answer questions.

Using the proportion, we can set up the following equation:

8/5 = x/y

8y = 5x

x = (8y)/5

Since the total number of questions on the test is 65, we have the equation:

x + y = 65

Substituting the expression for x from the previous equation:

(8y)/5 + y = 65

(8y + 5y)/5 = 65

13y/5 = 65

13y = 65 * 5

13y = 325

Dividing both sides by 13:

y = 325/13

y = 25

Substituting this value of y back into the equation x = (8y)/5:

x = (8 x 25)/5

x = 40

Therefore, there are 40 multiple-choice questions and 25 short-answer questions on the test with a total of 65 questions.

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Answer:

3 ways

Step-by-step explanation:

Answer:

Amount of Tax = $19.97

Tax Rate = 28%

Step-by-step explanation:

Amount of Tax = $71.97 - $52 = $19.97

Tax Rate = 19.97/71.97 × 100

= 0.28 × 100 = 28%

Answer:

x = 9.9 in.

Step-by-step explanation:

area of triangle = base * height /2

49 = x*x /2

49*2 = x^2

98 = x^2

\(\sqrt{98}\) = x

\(7\sqrt{2}\) = x

9.9 = x

Answer: y = 129, x = 51

Step-by-step explanation:

angles 129 and y are corresponding, so they are equal to each other

y and x are supplementary

so, y + x = 180

x = 180 - y = 180 - 129 = 51

Answer:

I belive y has to be at least 133 because it's just a little bit longer than the 229 one.

And x is most likely to be 125 because if you line up 129 with x, x is should be a little smaller so x should be 125

a. The probability of x being no more than a: d. P(x≤a)

b. The probability of being at least a: e. P(x≥a)

c. The probability of z being at most a: b. P(x ≤a)

d. The probability of z being no less than a: c. P(x ≥a).

e. The probability of a being more than a: c. P(x>a)

f. The probability of 2 being exactly a: b. P(x =a)

Using mathematical symbols, probability notation is a means to represent events and their probabilities. In this instance, an is a specified value or constant, while x is utilised as a random variable. P(x=a), P(x>=a), P(x=a), P(x>a), P(xa), or P(x!=a) are the possible outcomes. Depending on the particular event under consideration, one may choose one of the inequality symbols (, >, =, >=, or =). For instance, P(x=a) denotes the likelihood that x will not exceed a, but P(x>a) denotes the likelihood that x will exceed a. To minimise confusion and assure accurate probability estimates, the proper notation must be used

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The answer for following questions are mentioned below.

Probability notation is a way of representing the probability of an event or a random variable using mathematical symbols and formulas. It typically involves using capital letters, such as P, to denote probability, and variables, such as x, to denote random variables.

a. The probability of x being no more than a:

d. P(x≤a)

b. The probability of being atleast a:

e. P(x≥ a)

c. The probability of z being at most a:

b. P(x ≤a)

d. The probability of z being no less than a:

c. P(x ≥a).

e. The probability of a being more than a:

c. P(x>a)

f. The probability of 2 being exactly a:

b. P(x =a)

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a) To maximize profits, 10 units should be sold in market 1 and 5 units in market 2.

b) The corresponding prices are $180 in market 1 and $160 in market 2.

c) If it becomes illegal to discriminate, the profit loss is $50.

d) The imposition of a tax of $5 per unit sold in market 1 would likely decrease the monopolist's profit and potentially lead to adjustments in prices and quantities sold in both markets.

a) To maximize profits, the monopolist should set marginal revenue equal to marginal cost in each market.

In this case, marginal revenue is equal to the derivative of the demand function with respect to quantity, and it can be calculated as MR = dP/dQ.

For market 1:

MR₁ = dP₁/dQ₁ = -2

For market 2:

MR₂ = dP₂/dQ₂ = -4

Setting MR equal to marginal cost, which is the derivative of the cost function with respect to quantity, gives:

MR₁ = -2 = dC/dQ₁ = 20

MR₂ = -4 = dC/dQ₂ = 20

Solving these equations, we find:

Q₁ = 10

Q₂ = 5

Therefore, the monopolist should sell 10 units in market 1 and 5 units in market 2 to maximize profits.

b) To determine the corresponding prices, we substitute the quantities obtained in part (a) into the demand functions:

For market 1:

P₁ = 200 - 2Q₁ = 200 - 2(10) = 180

For market 2:

P₂ = 180 - 4Q₂ = 180 - 4(5) = 160

Therefore, the corresponding prices are $180 in market 1 and $160 in market 2.

c) To calculate the profit lost if it becomes illegal to discriminate, we need to compare the profits under discrimination with the profits under non-discrimination.

Under discrimination, the monopolist charges different prices in each market, while under non-discrimination, the same price is charged in both markets.

Under discrimination:

Profit = Total revenue - Total cost

For market 1:

Total revenue₁ = P₁ \(\times\) Q₁ = 180 \(\times\) 10 = $1

For market 2:

Total revenue₂ = P₂ \(\times\) Q₂ = 160 \(\times\) 5 = $800

Total revenue = Total revenue₁ + Total revenue₂ = $1800 + $800 = $2600

Total cost = C = 20(Q₁ + Q₂) = 20(10 + 5) = $300

Profit = Total revenue - Total cost = $2600 - $300 = $2300

Under non-discrimination:

Since the same price is charged in both markets, we take the average price:

Average price = (P₁ + P₂) / 2 = (180 + 160) / 2 = $170

Total revenue = Average price \(\times\) (Q₁ + Q₂) = $170 \(\times\) (10 + 5) = $2550

Total cost remains the same at $300.

Profit = Total revenue - Total cost = $2550 - $300 = $2250

Therefore, the profit lost if discrimination becomes illegal is $2300 - $2250 = $50.

d) The imposition of a tax of $5 per unit sold in market 1 would increase the cost per unit for the monopolist.

This would affect the profit-maximizing quantity in market 1 and potentially lead to a change in prices.

The monopolist would compare the new marginal cost, which includes the tax, with the marginal revenue to determine the new profit-maximizing quantities and prices.

The tax would likely reduce the monopolist's profits and could potentially result in adjustments in production and pricing strategies.

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Answer: Half of them are even and half of them are odd.

Step-by-step explanation:

The even numbers are 6, 12, 18, 24, and 30. An even number is defined as a number that is divisible by 2, meaning it has no remainder when divided by 2. For example, 6 divided by 2 equals 3 with no remainder, so 6 is even.

The odd numbers are 3, 9, 15, 21, and 27. An odd number is defined as a number that is not divisible by 2, meaning it has a remainder of 1 when divided by 2. For example, 9 divided by 2 equals 4 with a remainder of 1, so 9 is odd.

Therefore, out of the given numbers, half of them are even and half of them are odd.

________________________________________________________

The x-coordinates where the graphs of the equations intersect are x = -1 and x = 3

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

y = 2x

y = x² - 3

The x-coordinates where the graphs of the equations intersect is when both equations are equal

So, we have

x² - 3 = 2x

Rewrite the equation as

x² - 2x - 3 = 0

When the equation is factored, we have

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

So, we have

x = -1 and x = 3

Hence, the x-coordinates are x = -1 and x = 3

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Question

From least to greatest, What are the x–coordinates of the three points where the graphs of the equations intersect? If approximate, enter values to the hundredths.

y = 2x

y = x² - 3

After three steps, the average value of the displacement and the average value of the squared displacement are given by zero and two, respectively.

The average value of the displacement is calculated by summing up all the displacement values and dividing by the total number of steps. In this case, the average value will be zero because each step has an equal probability of moving forward or backward, resulting in an average net displacement of zero.

The average value of the squared displacement is calculated by summing up the squares of all the displacement values and dividing by the total number of steps. In this case, the average value will be two because each step has an equal probability of moving two units forward or two units backward, resulting in an average squared displacement of two.

These values can be used to calculate various statistical measures such as the mean squared displacement, which can provide insight into the diffusion of particles or the behavior of random walks.

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Answer:

-17&14/16

-17

17&4/32

17.225

17&17/40

Answer:

167.67 divided by 8.1 = 20.7

Answer:

45

Step-by-step explanation:

translation :

140% of x = $63

x = $63 ÷ 1.4

x = $45

FUN FACTS :

interesting: 100% means double that number or times 2

if a price is $20 & it increases 100% in price that means its $20 times 2 or $40

percent means per 100

cent means 100 in latin

that's why the decimal moves 2 spaces

for the 2 zeros in 100

chatgpt

Answer:

6.25

Step-by-step explanation:

f(x)=x^2

f(2.5) = (2.5)^2

        =6.25

Answer: 6.25

Step-by-step explanation: Notice that f is a function of x.

So we want to find f(2.5).

We find f(2.5) by plugging 2.5 in for x

everywhere that x appears in the function.

So we have f(2.5) = (2.5)².

(2.5)² is 6.25.

So our answer is 6.25.

Answer:

long division

Step-by-step explanation:

17\5=3

put down 2 then i'll make u go from there

Answer:

7x + 2y = - 6

Step-by-step explanation:

the equation of a line in standard form is

Ax + By = C ( A is a positive integer and B, C are integers )

given

y = - \(\frac{7}{2}\) x - 3 ( multiply through by 2 to clear the fraction )

2y = - 7x - 6 ( add 7x to both sides )

7x + 2y = - 6 ← in standard form

Answer:

1 gallon=3.79 liters  2 liter juice bottle would hold more

Step-by-step explanation:

The circle on a graph by drawing the center point and then drawing a circle around it with a radius of 6.

To graph the circle with the equation (x - 3)² + (y + 3)² = 36, we can start by finding the center and radius of the circle.

The equation of a circle in standard form is (x - h)² + (y - k)² = r² (h, k) represents the center of the circle and r represents the radius.

Comparing the given equation with the standard form, we can see that the center of the circle is (3, -3) and the radius is √36 = 6.

Using this information, we can proceed to plot the circle on a graph:

Plot the center point: (3, -3).

From the center point, move 6 units in each direction (up, down, left, and right) to determine the points on the circle.

Up: (3, -3 + 6) = (3, 3)

Down: (3, -3 - 6) = (3, -9)

Left: (3 - 6, -3) = (-3, -3)

Right: (3 + 6, -3) = (9, -3)

Connect the plotted points to form a circle.

The resulting graph should look like this:

    |            • (3, 3)

    |  

    |    •

    |                     •

__|_____________________________

    |

    |

    |

    |  

    |    • (3, -3)

The center of the circle is denoted by a solid dot (•) in the graph and the other points lie on the circumference of the circle.

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