Pleasssseeee answer........
Simplify: 9log9(4) =
A. 3
B. 4
C. 9
D. 81

If f(x) = -2x2 + 8x - 4, which of the following is true?
A. The maximum value of f(x) is - 4.
B. The graph of f opens upward.
C. The graph of f has no x-intercept
D. f is not a one to one function.

Answer:

120 cm³

Step-by-step explanation:

area of base = 4 × 9 = 36 cm²

Vol = \(\frac{1}{3}\) × 36 × 10 = 12 × 10 = 120 cm³

For the above question, statement 2 and 4 are true for the given data and after plotting the dot plot and histogram.

As per the question statement, data is showing the number of pieces of mail delivered to a single home address each day for three weeks.

Which is as follows: 4, 0, 2, 6, 1, 0, 3, 4, 0, 2, 4, 1, 5, 2, 3, 1, 1, 2

10 for 3 days, 1 for 4 days, 2 for 4 days, 3 for 2 days, 4 for 3 days, 5 for 1 day and 6 for 1 day.

Statement 1: False because the number line of a dot plot would start at 0.

Statement 2: True

Statement 3: False as it should be 0, 1, 2, 3, 4, 5 and 6

Statement 4: True

Statement 5: False as it should show 3 bars at 0 in histogram

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Answer:

b,d

Step-by-step explanation:

Answer:

a 9 cause they both expand by one

A sampling frequency of 10 pixels per millimeter would produce a spatial resolution of 5 line pairs per millimeter (B).

A sampling frequency of 10 pixels per millimeter would produce a spatial resolution of B. 5 line pairs per millimeter.
Here's a step-by-step explanation:

1. The sampling frequency is given as 10 pixels per millimeter.
2. According to the Nyquist-Shannon sampling theorem, the maximum spatial frequency (in line pairs per millimeter) that can be accurately represented is half of the sampling frequency.
3. Divide the sampling frequency (10 pixels per millimeter) by 2: 10/2 = 5 line pairs per millimeter.

So, the answer is B. 5 line pairs per millimeter.

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Answer:

-2x-24

Step-by-step explanation:

-5x+3x-24 = - 2x-24

Answer:

-2x-24 hope dis helped

Answer:

-1

Step-by-step explanation:

the slope is going down 1

Answer:

The slope of the graph is -1

Step-by-step explanation:

The domain of any quadratic function is all real numbers (-∞, ∞) because the quadratic function's graph is a smooth curve that extends indefinitely in both directions.

Any quadratic function takes the form f(x) = ax² + bx + c, where a, b, and c are real numbers and a ≠ 0.

By convention, the domain of a quadratic function is always all real numbers, which can be expressed using interval notation as (-∞, ∞).

This is because any real number can be inputted into a quadratic function and result in a real number output.

In other words, the domain of a quadratic function is the set of all real numbers for which the function is defined.

Therefore, we can say that the domain of any quadratic function is all real numbers (-∞, ∞) because the quadratic function's graph is a smooth curve that extends indefinitely in both directions.

The graph of a quadratic function has a parabolic shape that opens either upwards or downwards, depending on the sign of the leading coefficient a.

The domain of a quadratic function is essential for determining the range of the function.

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Answer:

No - 4+ (x + 9) = 18  

No - 4(x)(9) = 18

Yes - 4(x + 9) = 18

Yes - 4x + 4(9) = 18

No - 4x + 9 = 18

Answer: x = 11

Step-by-step explanation:

2(x+7) = 36

x + 7 = 18 <-- dividing both sides by two

x = 11

There are multiple different paths you can take in order to get this answer, all equally simple. You could open up the bracket, move to one side, and then divide, however if you were to have the answer in the most efficient and least amount of steps I would suggest doing this.

The hiker used approximately 56.88 Watts of power in climbing the hill.

Power is defined as the rate at which work is done or energy is transferred. To calculate the power used by the hiker in climbing the hill, we need to know the amount of work done and the time it took.

The work done can be calculated as the product of the force applied and the distance moved. In this case, the force applied is equal to the weight of the hiker, which can be calculated as the mass multiplied by the acceleration due to gravity (9.8 m/s²).

Weight of the hiker = mass * acceleration due to gravity

Weight of the hiker = 51.7 kg * 9.8 m/s² = 506.66 N

The work done is equal to the force applied multiplied by the distance moved. In this case, the distance moved is 43.2 meters.

Work done = force * distance

Work done = 506.66 N * 43.2 m = 21,868.35 J (Joules)

Next, we need to determine the time it took to climb the hill, which is given as 384 seconds.

Now, we can calculate the power using the formula:

Power = Work done / Time

Power = 21,868.35 J / 384 s

Power ≈ 56.88 Watts

Therefore, the hiker used approximately 56.88 Watts of power in climbing the hill.

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When Omar does not have a common factor while factoring a polynomial, he should consider regrouping terms, factoring out a common factor, or adjusting signs to simplify the expression. The absence of a common factor does not necessarily mean the polynomial is prime.

If Omar noticed that he does not have a common factor when factoring a polynomial, there are a few possible next steps to consider. It is important to note that the absence of a common factor does not necessarily mean that the polynomial is prime.

One option for Omar is to go back and regroup the terms in step 1, as (3x³ – 15x²) – (4x + 20). By rearranging the terms, he may be able to identify a common factor or a different factorization approach.

Another possibility is for Omar to factor out a common factor from the first expression in step 2. He can examine the terms in the expression and determine if there is a factor that can be pulled out.

It is also worth considering whether Omar needs to factor out a negative from one of the groups so that the binomials become the same. This step can help simplify the expression and make the factoring process easier.

Overall, Omar should explore different factorization strategies, regroup terms if necessary, and look for common factors or patterns to continue factoring the polynomial. The absence of a common factor does not necessarily imply that the polynomial is prime.

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Answer:

250

Step-by-step explanation:

V= πr^2h = π·5^2·20 ≈ 1570.79

This is the volume of the full glass so divide that by two and you get 785.4.

785.4 in terms of pi is 250.

The probability of Jack taking 2 red candies is 3/28.

What do you mean by a union in probability?
The letter "U" (union) stands for "or." Specifically, P(AB) represents the probability of that event A or event B occurring. The sample points that are present in both event A and event B must be counted in order to determine P(AUB).

The new probability set made up of all the elements from both sets is created when two sets are joined. When two sets intersect, a new set is created that includes every element from both sets.

Solution Explained:

Given in the question,

A bag contains 3 red and 5 green candies.

Total possibilities is 3 + 5 = 8  

Jack takes a candy at random and eats it  

A/Q there are 3 red candies out of 8, the probability is given by,

P(R) = 3/8

Now there are 2 red candies out of 7, so the probability is given by,

P(R') = 2/7

The probability of both events is given by,

P(2R) = P(R) × P (R') = 3/8 × 2/7 = 3/28

Therefore, the probability of Tim taking 2 red candies is P(2R) = 3/28

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Answer:

Step-by-step explanation:

(x+7)/2=6

x + 7 = 12

x = 5

(y + 10)/2 = 5

y + 10 = 10

y = 0

(5, 0)

answer is B

Answer:

whatever they said :D

Step-by-step explanation:

The probability of a sample that contains exactly two defective parts is  13.1926.

As we know if P is the probability of achieving k results in n trials then the probability formula is P = \(({}^{n}_{k})\)\(p^{k}\)\(q^{n-k}\)

In this formula n = number of trials

k = number of success

(n-k) = number of failures

p = probability of success in one trial

q = (1-p) = probability of failure in one trial

In this sum n = 10

k = 3

number failures (n-k) = (10 - 3) = 7

p = 3% which can be written as 0.03

q = 97% Which can be written as 0.97

Now putting these values in the formula

P = \(({}^{10}_{3})\)\(0.03^{3}\)\(0.97^{10-3}\)

P = \(({}^{10}_{3})\)\(0.03^{3}\)\(0.97^{7}\)

P = (10! ÷ 3!) × 0.000027 × 0.8079

P = 13.1926

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\(~\hspace{7em}\textit{negative exponents} \\\\ a^{-n} \implies \cfrac{1}{a^n} ~\hspace{4.5em} a^n\implies \cfrac{1}{a^{-n}} ~\hspace{4.5em} \cfrac{a^n}{a^m}\implies a^na^{-m}\implies a^{n-m} \\\\[-0.35em] ~\dotfill\\\\ (4)^{\frac{-4}{2}} \implies (4)^{-2}\implies 4^{-2}\implies \cfrac{1}{4^2}\implies \cfrac{1}{16}\)

Answer:

The inequality is 0.6x < 12.5

The maximum number of days that Diego's father can drive the car without the warning light coming on is 20 days

Step-by-step explanation:

14 gallons-1.5 gallons=12.5 gallons    

we know that  

If the remaining fuel is greater than  1.5 gallons Diego's father can drive the car without the warning light coming on    

so  

Let  

x ----> the number of days

0.6x < 12.5 inequality that represent the situation  

Solve for x

x < 12.5/0.6

x < 20.8 days

The maximum number of days that Diego's father can drive the car without the warning light coming on is 20 days

Answer:

in every 4minutes the farmer packed 3pint of strawberry in the morning but in the afternoon she packed 2 pints of strawberries in every 3 minutes so therefore u subtract the minutes in the morning from the afternoon minutes. so it will be 4-3 which is equal to 1

The r function they can use to achieve this is "make.names()". This function converts character vectors into valid names for R objects. It ensures that the resulting names are unique, syntactically valid, and not duplicated.

The make.names() function in R is a useful tool for ensuring that column names are unique, consistent, and syntactically valid. This function can automatically take a character vector of column names and convert it into valid names for R objects. The resulting names will be unique, consistent, and not duplicated. This is useful for data analysts who want to avoid errors in their analysis. By using this function, they can be sure that their column names are properly formatted and that there won’t be any confusion or errors caused by inconsistent or duplicate names. This is an important step in the data cleaning process, and using this function can save time and improve the accuracy of the analysis.

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Answer: See below

Step-by-step explanation:

The correct answers are :

A ) x + y = 57 - represents amount of tickets sold

F) 6x + 2.5y = 265 - represents amount of money earned

35 adult tickets were sold

Answer:

See below

Step-by-step explanation:

y = ab(x − h)^2  + k

k changes the y coordinate of the vertex...thus shifts the parabola up or down

Answer:

Step-by-step explanation:

Area of the sector B:

A = πr²*70/360 =

     π*10²*7/36 =

     175π/9 in²

Correct choice is C

Answer:

given;

inscribed angle =35°

central angle=35×2=70°

radius [r]=10in

area of shaded region=70°/360×πr²

=70°/360×π×10²=159π/9 or 61.08in²

Let's add the fractions to determine how many miles Rami run:

Therefore Rami run 2 11/24 miles. (In decimal approximation this is 2.4583 miles)

Answer:

B) 883.6

Step-by-step explanation:

V=πr^2h

radius= 7.5

V=π(7.5)^2(5)

V= 883.6

The given statement is 1. Always true

2. Always true

3. Always true

4. Sometimes true

5. Never true

Statement 1: A line and a point are always coplanar.

Answer: Always true.

Reason: This statement is always true because a line and a point can always be found on the same plane. In Euclidean geometry, a plane is a flat surface that extends infinitely in all directions, and any two points on the plane can be connected by a straight line. Therefore, a line and a point will always lie on the same plane.

Statement 2: Congruent angles form vertical angles.

Answer: Always true.

Reason: Vertical angles are formed by the intersection of two lines. When two angles are congruent, it means they have the same measure. If two angles have the same measure and are formed by the intersection of two lines, then they are vertical angles. Therefore, congruent angles always form vertical angles.

Statement 3: Linear pairs that are congruent are right angles.

Answer: Always true.

Reason: A linear pair consists of two adjacent angles that share a common side and form a straight line. If the two angles of a linear pair are congruent, it means they have the same measure. In Euclidean geometry, a straight angle measures 180 degrees. If two angles in a linear pair are congruent and their measures add up to 180 degrees, then each angle must measure 90 degrees, which is the measure of a right angle. Therefore, linear pairs that are congruent are always right angles.

Statement 4: The sum of angles that form a linear pair is less than 180 degrees.

Answer: Sometimes true.

Reason: The sum of angles that form a linear pair is always equal to 180 degrees, not less than 180 degrees. This is based on the definition of a linear pair, which states that the two angles in a linear pair are supplementary, meaning their measures add up to 180 degrees. However, if the statement said "less than or equal to 180 degrees," then it would be always true.

Statement 5: Vertical angles are complementary.

Answer: Never true.

Reason: Vertical angles are not complementary. Complementary angles are two angles that add up to 90 degrees. Vertical angles, on the other hand, are a pair of non-adjacent angles formed by the intersection of two lines. They do not necessarily have any specific relationship to each other in terms of their angle measures. Therefore, vertical angles are not complementary by definition.

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The truth of each statement depends on the properties of angles and theorems that support them. A line and a point are always coplanar, congruent angles can sometimes form vertical angles, congruent linear pairs are not always right angles, the sum of angles that form a linear pair is always 180 degrees, and vertical angles are never complementary.

To determine the truth of each statement, we need to consider the properties of angles and theorems that support them.

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Answer:

88

Step-by-step explanation:

We know that one figure represents 8 customers. There are a total of 4 + 2.5 + 1 + 3.5 = 11 figures so the answer is 11 * 8 = 88.

Answer: Applicants with advanced skilled and education.

Step-by-step explanation:

I just took a test.