pls help, am not smart1

Answer:

D

Step-by-step explanation:

Answer:

Question 1

The greatest number of treasure chest you can fill = 23

Step-by-step explanation:

Gold coins = 46

Diamonds = 115

Rubies = 184

To determine the greatest number of treasure chests you can fill, find the highest common factors of 46, 115 and 184

46 = 1, 2, 23, 46.

125 = 1, 5, 23, 115

184 = 1,2,4,8,23,46,92,184

The highest common factors of 46, 115 and 184 is 23

The greatest number of treasure chest you can fill = 23

Number of gold coins in each chest = 46/23

= 2

Number of diamonds in each chest = 115 / 23

= 5

Number of rubies in each chest = 184 /23

= 8

Question 2

Nickels = 246

Dimes = 312

Quarters = 204

Find the highest common factor of 246, 312, 204

246 = 1, 2, 3, 6, 41, 82, 123, 246

312 = 1, 2, 3, 4, 6, 8, 12, 13, 24, 26, 39, 52, 78, 104, 156, 312.

204 = 1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204

The highest common factor of 246, 312, 204 is 6

How many are in your group?

6 members

There are 6 members in your group that each person got the same exact amount of each coin with no coins remaining.

Number of nickels each person receive = 246 / 6

= 41

Number of dimes each person receive = 312 / 6

= 52

Number of quarters each person receive = 204 / 6

= 34

Answer:

4(9 + 4)

Step-by-step explanation:

36 + 16 ← factor out HCF of 4 from each term

= (4 × 9) + (4 × 4)

= 4(9 + 4)

another way to write 36 + 16 is 4(9) + 4(4).

To rewrite the expression 36 + 16 using the distributive property, we need to find a common factor that can be factored out. In this case, both 36 and 16 are divisible by 4. So, we can rewrite the expression as:

36 + 16 = 4(9) + 4(4)

Using the distributive property, we can further simplify this expression:

4(9) + 4(4) = 4 * 9 + 4 * 4

Now, we can calculate the values:

4 * 9 = 36

4 * 4 = 16

Therefore, another way to write 36 + 16 is 4(9) + 4(4).

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Answer:

$2.30

Step-by-step explanation:

Answer:

c

Step-by-step explanation:

The equation that represents the total sales for the month is given as follows:

y = 0.05x + 1000.

The linear function for this problem is defined in slope-intercept format, as follows:

y = mx + b.

In which:

The parameters for this problem are given as follows:

b = 1000, m = 0.05.

Hence the function is defined as follows:

y = 0.05x + 1000.

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Answer:  7.8 days

Step-by-step explanation:

Painter can get the job done in 15 days so gets \(\dfrac{1}{15}\) of the job done in 1 day.

Coworker can get the job done in 10 days so gets \(\dfrac{1}{10}\) of the job done in 1 day.

Together, they get \(\dfrac{1}{15}+\dfrac{1}{10}\) of the job done in 1 day.

Painter worked for 3 days so completed \(\dfrac{1}{15}(3)=\dfrac{1}{5}\) of the job.

That leaves a remaining of \(1-\dfrac{1}{5}=\dfrac{4}{5}\) of the job to be completed.

Let x represent the number of days it will take them to work together.

Painter + Coworker = Together

\(\dfrac{1}{15}(x)\quad +\quad \dfrac{1}{10}(x)\quad =\quad \dfrac{4}{5}\)

Multiply by 30 to eliminate the denominator:

\(\dfrac{1}{15}(x)(30) +\ \dfrac{1}{10}(x)(30) = \dfrac{4}{5}(30)\)

Simplify and solve for x:

    2x + 3x = 24

            5x = 24

              \(x=\dfrac{24}{5}\)

              x = 4.8

Remember that Painter worked 3 days alone in addition to the 4.8 days they worked together.

So the total time to paint the building is 3 + 4.8 = 7.8

Using functions, solution to the equation in this case is x = 7/8.

Functions are the central idea of calculus in mathematics. The functions are special types of relations. In mathematics, a function is described as a rule that provides a distinct outcome for each input x. A mapping or transformation in mathematics usually represents a function. These operations are frequently denoted by letters like f, g, and h.

The domain is known as the set of all possible values that can be passed into a function while it is specified. The term "range" refers to the whole set of values that the function's output is capable of producing. The co-domain is the set of values that might be a function's outputs.

The solution for the function is x = 7/8.

The corresponding graph for the function is attached.

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Answer:

x= 15

Step-by-step explanation:

Complementary angles add up to 90° so

   a+b = 90, substitute a= 2x, and b = 4x

2x+4x = 90, add like terms

     6x = 90, divide both sides by 6

       x = 15

Answer:

_3/4/_2/3 the first one i hope u will mark me brai list

N in (-oo:+oo)

(-5/7)*n+1 = 21 // - 21

(-5/7)*n-21+1 = 0

-5/7*n-20 = 0 // + 20

-5/7*n = 20 // : -5/7

N = 20/(-5/7)

N = -28

N = -28

hope it worked out, since i'm not entirely sure.

Answer:

di ko po alam

Step-by-step explanation:

sana po magets nyo po

The sample size needed is 1068. Therefore, the chamber of commerce in the beach resort town should survey at least 1068 visitors to estimate the proportion of repeat visitors to within 0.03 percentage points with 95% confidence.

To calculate the sample size needed, we can use the formula n = (z^2 * p * q) / e^2, where:

n is the sample size

z is the z-score corresponding to the desired confidence level (1.96 for 95% confidence)

p is the estimated proportion of repeat visitors (0.5)

q is the complementary proportion (1-p)

e is the desired margin of error (0.03%)

Plugging in the values, we get:

n = (1.96^2 * 0.5 * 0.5) / 0.03^2 = 1067.11, which we round up to 1068.

The sample size needed for a survey depends on several factors, including the desired level of confidence, the margin of error, and the estimated proportion in the population. In this case, the chamber of commerce wants to be 95% confident that their estimate of the proportion of repeat visitors is accurate within 0.03 percentage points. This means they are willing to accept a maximum error of 0.03 percentage points in either direction from the true proportion, and they want to be confident that their estimate falls within that range. Based on previous experience, they estimate that the proportion of repeat visitors is around 0.5, which is used in the formula to calculate the sample size. The resulting sample size of 1068 should provide the desired level of accuracy and confidence.

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Answer:

32 degrees

Step-by-step explanation:

If AB and BC are perpendicular, that means the angle is 90 degrees. They already give you 24 and 24 which add up to 48 and then you subtract 90 by 48 to find the missing value

Answer:

500000000

Step-by-step explanation:

When you do the first one you get 0.000006 and then when you do the second one you get 3000 so when you divide them then it puts all the numbers together, therefore, you get your answer.

34

Step-by-step explanation:

=5x-4y+2z

=5×8-4×3+2×3

=40-12+6

=46-12

=34

Answer:

C. 1/12

Step-by-step explanation:

The scale can be calculated by comparing side lenghts

AC is similar to FD and AB is similar to  FE and BC is similar to ED

AB = 2 and FE = 24 so AB/FE is = 2/24 that's simplified is 1/12

The required value of k in the expression a = √kπ is 6.

The process in mathematics to operate and interpret the function to make the function or expression simple or more understandable is called simplifying and the process is called simplification.

Here,
The surface area of the square = 6 × a²
                                              = 6 × (2a)²
                                              = 6 × 4a²
                                              = 24a²

The surface area of the sphere = 4πr²

                                                     = 4 × π6²
Equating the surface area,
24a² = 4 × π6²
a = √6π
comparing the above expression with the expression a = √kπ
we get k = 6

Thus, the required value of k in the expression a = √kπ is 6.

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Answer:

9 m¹⁰

Step-by-step explanation:

(3m⁵)²

= (3)²(m⁵)²

= 9 (m⁽⁵⁾⁽²⁾)

= 9 m¹⁰

Given info:There is a favourite sport and number of people watching and participating in the colony is given.

Draw the double bar graph for the data ?

Explanation:

See the attachment

Number of people watching cricket = 1240

Number of people participating cricket =620

Number of people watching Basket ball =470

Number of people participating Baskets ball=320

Number of people watching Swimming =510

Number of people participating Swimming= 320

Number of people watching Hockey=430

Number of people participating Hockey =250

Number of people watching Athletics =250

Number of people participating Athletics =105

Scale:-

On X - axis taking favourite sport

On Y-axis taking Number of people in the colony

First bar represents Watching

Second bar represents Participating

On Y-axis 1 cm = 100 units

(i)

⇛The number of people who are watching and participating in their favourite sport.

(ii)

⇛Cricket is the most popular of all other sports .

⇛It has the most watching people and the more participants

(iii)

⇛Watching is more preferred than Participating according to the given data of the colony.

Bar graph:-

⟨Hope this helps.⟩

Answer:

Step-by-step explanation:

Answer is a 2/25

The original polynomial, \(x^2 + 7x + 12\), it can be seen that the two are the same, thus confirming that the polynomial was correctly factored.

To check the result after factoring a polynomial, one can use the FOIL method to ensure that the factored polynomial is equivalent to the original polynomial. The FOIL method stands for First, Outer, Inner, Last, and is used to multiply two binomials. To check the result, one would use the FOIL method to multiply the factored polynomial, and compare the result to the original polynomial. For example, let’s consider the polynomial\(x^2+7x+12\). After factoring, this can be written as (x+4)(x+3). To check the result, one would multiply the two binomials together, (x+4)\((x+3) = x^2 + 3x + 4x + 12\). Comparing this to the original polynomial, \(x^2 + 7x + 12\), it can be seen that the two are the same, thus confirming that the polynomial was correctly factored.

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The smallest number that is divisible by 21, 31, and 10 is 1.

Given,

The numbers are :

21, 31, and 10

To find the smallest number that is divisible by 21, 31 and 10

Now, According to the question:

Let's Check the factors of 21, 31 and 10

Factors of 21 = 1, 3, 7, and 21

Factors of 31 = 1 and 31

Factors of 10 = 1, 2, 5, and 10

Now, Least Common Multiple of 21, 31, 10 is 6510

For the smallest number divisibility are :

In above factors , we can see that common factor is 1

So, The smallest number that is divisible by 21, 31, and 10 is 1.

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Prevalence of TB on April 1st:To calculate the prevalence of TB on April 1st, we first need to know the total number of residents who had TB on that date. On April 1st, 2 new cases had developed and 10 existing cases remained.

Therefore, the total number of residents with TB on April 1st was 12. We also know that 10 healthy residents were immune to TB because they had been vaccinated. So, out of the original 200 residents, only 200-10=190 residents were at risk of developing TB. The prevalence of TB on April 1st can be calculated by dividing the number of residents with TB on that date (12) by the total number of residents at risk of developing TB (190):

Prevalence of TB on April 1st = (Number of residents with TB on April 1st / Total number of residents at risk of developing TB) × 100

Prevalence of TB on April 1st = (12 / 190) × 100

Prevalence of TB on April 1st = 6.3%

Therefore, the prevalence of TB in the screened community on April 1st was 6.3%.

Cumulative incidence of TB over the year:The cumulative incidence of TB is the total number of new cases of TB that occurred during the study period among the people who were initially free of TB. In this study, 10 healthy residents were immune to TB because they had been vaccinated and were not at risk of developing TB.

Therefore, out of the 200 residents enrolled in the study, only 190 were at risk of developing TB. By the end of the study, a total of 2 + 3 = 5 new cases of TB had developed among these 190 people.

Therefore, the cumulative incidence of TB over the year can be calculated by dividing the number of new cases of TB by the total number of people at risk of developing TB and multiplying by 100:

Cumulative incidence of TB over the year = (Number of new cases of TB / Total number of people at risk of developing TB) × 100

Cumulative incidence of TB over the year = (5 / 190) × 100

Cumulative incidence of TB over the year = 2.6%

This means that 2.6% of the people who were initially free of TB developed the disease during the one-year study period.

Case-fatality rate among residents with TB:

Three residents with existing TB died during the study period. Since there were 10 residents with existing TB on January 1st, the case-fatality rate among residents with TB can be calculated by dividing the number of residents who died from their disease by the total number of residents with TB and multiplying by 100:

Case-fatality rate among residents with TB = (Number of residents who died from their disease / Total number of residents with TB) × 100

Case-fatality rate among residents with TB = (3 / 10) × 100

Case-fatality rate among residents with TB = 30%

This means that 30% of the residents with TB died during the study period.

Calculation and interpretation:

The cumulative incidence of TB is a measure of the risk of developing TB during the study period. The case-fatality rate is a measure of the risk of dying from TB among those who have the disease. To calculate the overall risk of developing TB and dying from it during the study period, we can multiply the cumulative incidence by the case-fatality rate:

Overall risk = Cumulative incidence × Case-fatality rate

Overall risk = 2.6% × 30%

Overall risk = 0.78%

This means that the overall risk of developing TB and dying from it during the one-year study period was 0.78%. This is a relatively small risk, but it is still important to take steps to prevent the spread of TB and to treat those who develop the disease.

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Option 2 is correct that is 1.79

When presented in ascending order, the value that 75% of data points fall within is known as the higher quartile, or third quartile (Q3).

The quartiles formula is as follows:

Upper Quartile (Q3) = 3/4(N+1)

Lower Quartile (Q1) = (N+1) * 1/3

Middle Quartile (Q2) = (N+1) * 2/3

Interquartile Range = Q3 -Q1,

1.74, 0.24, 1.56, 2.79, 0.89, 1.16, 0.20, and 1.84 are available.

Sort the data as follows: 0.20, 0.24, 0.89, 1.16, 1.56, 1.74, 1.84, 2.79 in ascending order of magnitude.

The data set has 8 values.

hence, n = 8; third quartile: 3/4 (n+1)th term

Q3 =3/4 of a term (9) term

Q3 =27/4 th term

Q3 = 1.74 + 1.84 / 2 (average of the sixth and seventh terms)

equals 1.76

Thus Q3 is 1.76 that is option 2

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The probability of winning is 1/17, which can also be expressed as a decimal (approximately 0.059) or as a percentage (approximately 5.9%).

The odds on a bet represent the ratio of the probability of winning to the probability of losing. In this case, the odds are 16:1 against winning, which means that the probability of winning is 1 out of 16.

To express this probability as a fraction, we can use the formula:

Probability of winning = 1 / (odds + 1)

Plugging in the given odds, we get:

Probability of winning = 1 / (16 + 1)

Probability of winning = 1/17

In this case, the odds of 16:1 against winning correspond to a probability of 1/17, which represents the chance of winning the bet.

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