what’s the answer to this? I need help pls ease

Answer: 0.8982

Step-by-step explanation:

math

Answer:

x ≈ 0.898

Step-by-step explanation:

using the rule of logarithms

log [tex]x^{n}[/tex] = n log x

given

[tex]6^{x}[/tex] = 5 ( take natural logarithm ln of both sides )

ln [tex]6^{x}[/tex] = ln 5

x ln 6 = ln 5 ( divide both sides by ln 6 )

x = [tex]\frac{ln5}{ln6}[/tex] ≈ 0.898 ( to the nearest thousandth )

Answer: -1.12, -1^(1/2), 1^(1/8), 1^(1/2), 1^(2/3), 1.12

Step-by-step explanation:

Starting with the smallest:

-1.12

-1^(1/2) (which is equal to -1)

1^(1/8) (which is equal to 1)

1^(1/2) (which is equal to 1)

1^(2/3) (which is equal to 1)

1.12

Therefore, the numbers in order from smallest to largest are: -1.12, -1, 1, 1.12.

Answer:

A correct option is option (b).

Given,

Trigonometric ratios:

The ratios of sides of a right-angled triangle with respect to any of its acute angles are known as the trigonometric ratios of that particular angle.

The given triangle is right angle triangle then

Now, calculate the angles.

Again,

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Step-by-step explanation:

The x - coordinate of B given the y - coordinate, can be found to be 3 units.

Looking at the figure, we notice that the relationship between B and the circle can be modeled as a right triangle. 5 would be the hypotenuse, 4 which is the y - coordinate would the be the height.

The x - coordinate would then be the length which can be found by the Pythagorean theorem.

The x - coordinate is:

= 5² = 4² + x²

Simplifying the equation, we get:

25 = 16 + x²

9 = x²

x = 3

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Situation (A) "$400 deposited in a savings account earning 3% yearly compound interest" would yield us the highest amount in the account.

Compound interest, also known as interest on principal and interest, is the practice of adding interest to the principal amount of a loan or deposit.  

The interest you earn on interest is known as compound interest.

Simple math may be used to demonstrate this: if you have $100 and it generates 5% interest annually, you will have $105 at the end of the first year.

You will wind up with $110.25 at the conclusion of the second year.

So, we know that anytime compound interest will make us more money than simple interest so options (C) and (D) would be wrong.

So, in option (B) we deposit $200 which is compounded for 2 years at 5%.

In option (A) we deposit $400 which is compounded at the rate of 3% and time is not given so we will assume that it will keep compounding for years and hence it will make us the most amount of money.

Therefore, situation (A) "$400 deposited in a savings account earning 3% yearly compound interest" would yield us the highest amount in the account.

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The simplified form of the given expression is:

(cosx * (tanx + 1) + 1) / cosx

To solve the given expression, we can start by simplifying it using trigonometric identities.

Given expression: tanx / (1 + secx) + (1 + secx) / tanx

Step 1: Simplify denominators

We can rewrite secx as 1/cosx, and tanx as sinx/cosx. Using these identities, we get:

tanx / (1 + 1/cosx) + (1 + 1/cosx) / (sinx/cosx)

Step 2: Find the least common denominator (LCD)

The LCD is cosx, as it is the common denominator for both fractions.

Step 3: Combine the fractions

Using the LCD, we can combine the fractions:

[(tanx * cosx) + (1 + 1/cosx)(cosx)] / cosx

Step 4: Simplify the numerator

Multiplying through by cosx to simplify the numerator, we get:

[tanx * cosx + (cosx + 1)] / cosx

Step 5: Combine like terms

Combining like terms in the numerator, we get:

[tanx * cosx + cosx + 1] / cosx

Step 6: Factor out cosx

We can factor out cosx from the numerator:

cosx * (tanx + 1) + 1 / cosx

So, the simplified form of the given expression is:

(cosx * (tanx + 1) + 1) / cosx

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QUESTION IS - simplify . tanx/1+secx  +  1+secx/tan x

the sets of parametric equation that represents (x-1)²+(y+ 4)² = 9 is:

x = 1 + 3 cosθ

y = -4 + 3 sinθ

( x -1)^2 = (r cosθ)^2

x - 1 = r cosθ

= 3 cosθ

x = 1 + 3 cosθ

y + 4 = 3 sinθ

= y = -4 + 3 sinθ

There, the sets of parametric equation that represents (x-1)²+(y+ 4)² = 9 is:

the sets of parametric equation that represents (x-1)²+(y+ 4)² = 9 is:

x = 1 + 3 cosθ

y = -4 + 3 sinθ

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The question is incomplete, see missing part in the attached image.

The hypotenuse is c and the other leg is b.

Given is a right triangle we need to label the sides,

The sides are =

PR = a

PQ = c

QR = b

Here, a and b are the legs and c is the hypotenuse of the given right triangle.

Hence the hypotenuse is c and the other leg is b.

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The soft drink vendor's maximum profit per day is $5250, and he must sell 1500 cans of soda pop to reach the maximum profit.

To find the maximum profit per day for the soft drink vendor, we need to use the formula P(x) = 0.001x^2 + 3x + 1800, where x is the number of cans of soda pop sold in one day.

To find the maximum profit, we need to find the vertex of the parabola represented by the profit function. The x-coordinate of the vertex is given by -b/2a, where a = 0.001 and b = 3. Plugging in these values, we get x = -3/(2*0.001) = -1500.

Since the soft drink vendor cannot sell a negative number of cans, we know that the maximum profit occurs at the closest whole number to x = -1500, which is x = 1500.

To find the maximum profit per day, we can plug in x = 1500 into the profit function:

P(1500) = 0.001(1500)^2 + 3(1500) + 1800 = $5250

Therefore, the soft drink vendor's maximum profit per day is $5250, and he must sell 1500 cans of soda pop to reach the maximum profit.

To find the maximum profit per day and the number of cans needed to reach that profit, we'll first need to find the critical point of the given quadratic profit function, P(x) = -0.001x^2 + 3x - 1800.

Step 1: Find the derivative of P(x) with respect to x. This will give us the rate of change of profit as the number of cans sold changes.

P'(x) = -0.002x + 3

Step 2: Set the derivative equal to zero and solve for x. This will give us the critical point where the maximum profit occurs.

-0.002x + 3 = 0

x = 1500 cans

Step 3: Substitute the critical point (x = 1500) back into the profit function P(x) to find the maximum profit.

P(1500) = -0.001(1500)^2 + 3(1500) - 1800

P(1500) = $600

So, the maximum profit per day is $600, and the soft drink vendor must sell 1500 cans to reach the maximum profit.

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The maximum profit per day is $4800, and the vendor must sell 1500 cans of soda pop to reach this maximum profit.

The profit function for the soft drink vendor is given by:

P(x) = [tex]0.001x^2 + 3x + 1800[/tex]

To find the maximum profit, we need to find the vertex of the parabola represented by this function. The x-coordinate of the vertex can be found using the formula:

x = -b / (2a)

where a = 0.001 and b = 3. Substituting these values, we get:

x = -3 / (2 * 0.001) = -1500

Since the value of x cannot be negative in this context, we know that the maximum profit occurs at x = 1500. To find the maximum profit, we substitute this value of x into the profit function:

P(1500) =[tex]0.001(1500)^2 + 3(1500) + 1800 = $4800[/tex]

Therefore, the maximum profit per day is $4800, and the vendor must sell 1500 cans of soda pop to reach this maximum profit.

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The simplified form of the polynomial (4x² - 3x + 10) + (-9x² + 4x - 6) is -5x² + x + 4.

The constant term is the term without a variable, in this case, 4 is the constant term.

What is polynomial?

A polynomial is a mathematical expression that consists of variables and coefficients

To simplify the polynomial, we need to combine like terms. We have:

(4x² - 3x + 10) + (-9x² + 4x - 6)

= 4x² - 3x + 10 - 9x² + 4x - 6 (distributing the negative sign)

= (4x² - 9x²) + (-3x + 4x) + (10 - 6) (grouping like terms)

= -5x² + x + 4 (combining like terms)

Therefore, the simplified form of the polynomial (4x² - 3x + 10) + (-9x² + 4x - 6) is -5x² + x + 4.

In the polynomial -5x² + x + 4, the degree is 2, the leading coefficient is -5, and the constant term is 4.

The degree of a polynomial is the highest power of the variable in the polynomial, in this case, x² has the highest power of 2.

The leading coefficient is the coefficient of the term with the highest power of the variable, in this case, -5 is the coefficient of the x² term, so it is the leading coefficient.

The constant term is the term without a variable, in this case, 4 is the constant term.

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The determinant of the given matrix is -27

To find the determinant of the given matrix by row reduction to echelon form, follow these steps:

1. Write down the given matrix:

```
| 1  5 -6 |
| 1  6  5 |
| 2  8  7 |
```
2. Use row operations to reduce the matrix to echelon form. First, eliminate the elements below the pivot element (1) in the first column:
```

R2 = R2 - R1
R3 = R3 - 2 * R1
```
Resulting matrix:
```
| 1  5  -6 |
| 0  1  11 |
| 0  -2 -19 |
```
3. Next, eliminate the elements below the pivot element (1) in the second column:
```
R3 = R3 + 2 * R2
```
Resulting matrix:
```
| 1  5  -6  |
| 0  1  11  |
| 0  0 -27 |
```
4. The matrix is now in echelon form:
```
| 1  5  -6  |
| 0  1  11  |
| 0  0 -27 |
```
5. Find the determinant of the echelon form matrix by multiplying the diagonal elements (pivot elements):
```
Determinant = 1 * 1 * -27 = -27
```

Your answer: The determinant of the given matrix is -27.

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The gross death rate is 8.38%.

What is a Rate?

A rate is a measure of the frequency of an event or occurrence in relation to a specific population or time period. Rates are often expressed in terms of units per time or per population, such as cases per 100,000 people or births per year.

The gross death rate is the number of deaths in a given time period divided by the total population or, in this case, the total number of discharges.

To calculate the gross death rate for City Hospital in June, we need to subtract the eight deaths that occurred within 48 hours of admission from the total number of deaths:

Total deaths = 49 - 8 = 41

Then, we divide the total number of deaths (41) by the total number of discharges (489) and multiply by 100 to get the rate per 100 discharges:

Gross death rate = (41 ÷ 489) x 100 = 8.38%

Therefore, the gross death rate for City Hospital in June is 8.38%.

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the total amount of water lost between 9 and 11 am is 5 liters.

To find out how much water is lost between 9 and 11 am, we need to calculate the total amount of water that leaks out during that time period.

First, we need to find the number of hours between 7 am and 9 am, which is 2 hours. Similarly, the number of hours between 7 am and 11 am is 4 hours.

Next, we can use the given rate of water leakage to calculate the amount of water lost during each of these time periods:

Amount of water lost between 7 am and 9 am:

2.5 liters/hour × 2 hours = 5 liters

Amount of water lost between 7 am and 11 am:

2.5 liters/hour × 4 hours = 10 liters

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The standard error of the mean for a sample of size 8 and population mean 436 is equals to the 36.42.

The standard error of the mean, or usually say standard error, shows how different the population mean from a sample mean. We have a population with population mean, [tex]\mu[/tex] = 436

Standard deviations for population, [tex] \sigma[/tex] = 103

Sample size, n = 8

We have to determine the value of standard error of the mean. SEM is calculated simply as dividing the standard deviation by the square root of the sample size, n. Mathematically,

[tex]SE = \frac{ \sigma}{\sqrt n}[/tex]

Substitues all known values in above formula, [tex]= \frac{ 103}{\sqrt 8}[/tex]

= 36.42

Hence, required standard error value is 36.42.

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The probability of winning at least once when playing the instant lottery twice is 0.19, or 19%.

To find the probability of winning at least once in the instant lottery when playing twice, we can use the complement rule.

The complement rule states that the probability of an event occurring (in this case, winning at least once) is equal to 1 minus the probability of the event not occurring (in this case, not winning both times).
Determine the probability of not winning in a single game, which is 1 - 0.1 = 0.9.
Calculate the probability of not winning both times, since outcomes are independent, by multiplying the probabilities of not winning each time: 0.9 * 0.9 = 0.81.
Finally, find the probability of winning at least once by subtracting the probability of not winning both times from 1: 1 - 0.81 = 0.19.

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The correct statement about the numbers is,

⇒ The number is even or less than 12.

We have to given that;

A number is selected at random from the set (2, 3, 4.... 10).

Hence, We can check all the options as;

⇒ 10 is divisible by 5

Hence, A is incorrect.

⇒ Since, 2 = 2

Hence, B is incorrect.

⇒ Since, Every numbers are less than 12 and some numbers are even.

Hence, The correct statement about the numbers is,

⇒ The number is even or less than 12.

Thus, The correct statement about the numbers is,

⇒ The number is even or less than 12.

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The expression -20 + 18.5u, when u is 0.6, in a decimal or whole number is equal to -8.9.

To evaluate the expression -20 + 18.5u when u = 0.6, we simply substitute 0.6 in place of u and simplify using the order of operations (PEMDAS).

-20 + 18.5u = -20 + 18.5(0.6) (substitute 0.6 for u)

-20 + 11.1 = -8.9 (simplify using multiplication first and then addition/subtraction)

Therefore, the value of the expression when u = 0.6 is -8.9.

The order of operations is a set of rules that dictate the order in which mathematical operations should be performed to avoid ambiguity and ensure that calculations are carried out correctly. PEMDAS stands for Parentheses, Exponents, Multiplication and Division (performed from left to right), and Addition and Subtraction (also performed from left to right).

In this case, we first multiply 18.5 and 0.6, giving us 11.1. Then, we subtract 20 from 11.1, resulting in -8.9.

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1. Range of Surveyed Students: 1,650 to 1,800 students.

2. Range of Students in Orange County: 39,364 to 42,972 students

To determine the range of surveyed students that agreed with the statement, we need to calculate the minimum and maximum percentages based on the margin of error. Given that 86% of students agreed with the statement and the margin of error is ±3.7%, we can find the range as follows:

Minimum percentage: 86% - 3.7% = 82.3%

Maximum percentage: 86% + 3.7% = 89.7%

Now, we'll apply these percentages to the total number of surveyed students (2,006):

Minimum number of students: 0.823 x 2,006 ≈ 1,650 students

Maximum number of students: 0.897 x 2,006 ≈ 1,800 students

Range of Surveyed Students: 1,650 to 1,800 students

b. To determine the range of grade 10-12 students in OCPS who would likely agree with the statement, we'll apply the same minimum and maximum percentages found earlier (82.3% and 89.7%) to the total number of grade 10-12 students in Orange County Public Schools (47,851):

Minimum number of students: 0.823 * 47,851 = 39,364 students

Maximum number of students: 0.897 * 47,851 = 42,972 students

Range of Students in Orange County: 39,364 to 42,972 students

The above answer is based on the information below provided in the picture;

A research survey of 2,006 public and private school students in the United States (grades 10-12) between April 12 and June 12, 2016 asked students if they agreed with the statement, "If I make a mistake, I try to figure out where I went wrong." The survey found that 86% students agreed with the statement. The margin of error for the survey is +3.7%.

a. Determine the range of surveyed students that agreed with the statement.

Range of Surveyed Students .......................................................

b. In 2022, there were 47,851 students in grades 10-12 in Orange County Public Schools (OCPS). Determine the range of grade 10-12 students in OCPS who would likely agree with the statement, "If I make a mistake, I try to figure out where I went wrong."

Range of Students in Orange County ..................................

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Mark Twain's quote about breaking down overwhelming tasks into manageable pieces is a valuable lesson for high school students, particularly when it comes to writing. (option d)

In the context of writing, this quote can be particularly helpful. Writing a story or essay can seem like a daunting task, but if you break it down into smaller pieces, it becomes much more manageable. This is where the process of outlining comes in. An outline is essentially a roadmap of your writing, breaking it down into smaller components that you can tackle one at a time.

In mathematical terms, you can think of this process as a series of equations. Each equation represents a small, manageable piece of the overall problem.

By breaking down the problem into smaller equations, you can solve each one individually, which ultimately leads to solving the larger problem. This is similar to how breaking down a writing project into smaller pieces can help you write a well-structured and coherent piece.

Hence the correct option is (d).

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The amount of the sales tax is 0.26

Now, The sales tax is 4%.

The cost of lunch is 6. 50.

=> 4% of 6.50

4/ 100 × 6.50

0.04 × 6.50

=> 0.26

Hence, The amount of the sales tax is 0.26

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y=-3x + 10 is neither of these.

y − 5 = − 1/3(x + 2) is  perpendicular to p

y = 1/3x is neither of these.

-3x + y = 1 is parallel to p

What are parallel lines?

Parallel lines are coplanar infinite straight lines in geometry that never intersect. In the same three-dimensional space, parallel planes are any planes that never cross. Curves with a fixed minimum distance between them and no contact or intersection are said to be parallel.

The line p passes through the points (2,2) and (-1,1).

The slope of the line is m = (-1-2) /(1-2)= 3.

Now compare the y=-3x + 10 with y = mx +c:

m₁ = -3, c=10

The slope of the line y=-3x + 10 is -3.

The product m and m₁ is  3 ×(-3) = -9

y=-3x + 10 is neither of these.

Rewrite the equation y − 5 = − 1/3(x + 2)

y = (− 1/3)x - (2/3) + 5

Now compare they = (− 1/3)x - (2/3) + 5 with y = mx +c:

m₂ = − 1/3, c=10

The product m and m₂ is  3 ×( − 1/3) = -1

Thus y − 5 = − 1/3(x + 2) is perpendicular to p.

Now compare the y=1/3x  with y = mx +c:

m₃ = 1/3, c=0

The slope of the line  y=1/3x + 10 is 1/3.

m₃≠m and mm₃ ≠ -1 , thus  y=1/3x is neither of these.

Rewrite the equation -3x + y = 1

y= 3x +1

Now compare the y= 3x +1 with y = mx +c:

m₄ =3, c=1

Since m₄ = m. thus -3x + y = 1 is parallel to p.

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Answer:

the answer is...

Step-by-step explanation:

6d^2 + 10d + 21

Given the survey, the completed table is as follows:

                   Print             Electronic             Total

Youth             23               40                          63

Adults               23             36                           59

Total                46               76                           122

To fill in the missing values, we can use the fact that the total number of youths is 63 and the total number of adults is 59. Thus, we can subtract the number of known values from the total to find the missing values.

For the number of youths who prefer printed books, we have:

Print + Electronic = Total

Print + ? = 63

23 + ? = 63

? = 63 - 23

? = 40

For the number of adults who prefer electronic books, we have:

Print + Electronic = Total

? + Electronic = 59

23 + Electronic = 59

Electronic = 59 - 23

Electronic = 36

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Answer:

Which number is missing?

40   38   35   31   26   20   13   5

Pattern: ( -2, -3, -4, etc)

40 - 2 = 38

38 - 3 = 35

35 - 4 = 31

31 - 5 = 26

26 - 6 = 20

20 - 7 = 13

13 - 8 = 5

Step-by-step explanation:

You're welcome.

Answer:

the amplíetude of the function is 1.5

Step-by-step explanation:

.

Answer:

(x+2)^2+(y-5)^2=81

Step-by-step explanation:

standard form equation is (x-h)^2+(y-k)^2=r^2

so, input the values:

(x+2)^2+(y-5)^2=9^2

simplify:

(x+2)^2+(y-5)^2=81

The number of heart cakes that were sold at the cake sale was 28

According to the question,

Cost of circular-shaped cake = $7

Cost of heart shaped cake = $5

Total sale = $238

Let the number of circular cakes shaped be x

Since the number of heart cakes was sold twice as many as the circular cake, the number of heart cakes will be 2x

Cost of x circular-shaped cake = $7 * x

Cost of 2x heart shaped cake = $5 * 2x

Total sale = Cost of x circular cake + Cost of 2x heart cake

Thus, we get the following equation,

238 = 7x + 10x

238 = 17x

x = 14

Thus, the number of heart cakes sold was 2x that is 28.

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Answer: The sum of the exterior angles of any polygon is 360 degrees.

The measure of one exterior angle of a regular polygon with n sides is given by the formula:

360/n

For a polygon with 26 sides, the measure of one exterior angle is:

360/26 = 13.8 degrees (rounded to one decimal place)

Step-by-step explanation:

Answer:

Therefore, the answer to how much is in the checking account is $677.

Step-by-step explanation:

The amount in the checking account after all the transactions would be $677.

Here's the breakdown of the transactions:

Starting balance: $910

Bill payment: -$185

Withdrawal for lunch: -$30

Purchase of pants: -$43

Purchase of gift card: -$15

Refund for pants: +$43

Total = $910 - $185 - $30 - $43 - $15 + $43 = $677