help please im not good at science x math

Answer:

-77

Step-by-step explanation:

-57-(-13+33)

=-57-20

=-77

Jim and Lillian are painting a wall that is 15 ft wide and 9 feet tall and they will need to buy $ 135x of paint to paint the whole wall, where "x" is the cost of painting per square feet of the wall.

To solve this question, we will move ahead with a very direct approach of problem solving which is, step-by-step formulation.

First, we will calculate the area of the wall to be painted by using the formula to calculate the area of a rectangle which goes as

\((l*b)\) sq. feet where, "l" is the length or height of the rectangle and "b" is the breadth or width of it.

Then, we will just multiply the calculated area with the rate of painting per unit.

Here, as per data provided in the question statement, the wall to be painted is 15 ft wide and 9 feet tall, i.e., (l = 15) and (b = 9).

Therefore, area of the wall = \((15*9)=135\) square feet.

And since, no rate of painting is provided, let us assume that the rate of painting per square feet is $ x, then, amount of paint to be purchased to paint the wall will be \((135*x)=$135x\) Dollars.

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The largest area that can be enclosed by a fence of 240 m and a wall is 7200m²

It is given that the rectangular area will be fenced up against a long rectangular wall. Therefore, the fencing will be done on just three sides.

Let one side be x

Then the side opposite to it must be x cm as well

The sum of the three sides should be equal to 240 m

Hence the third side must be 240 - 2x m

Therefore the area of the region fenced must be

A = x(240 - 2x)

or, A = 240x - 2x²

Now we need to maximize the above equation

Taking the first derivative zero we get

A' = 0

or, 240 - 4x = 0

or, 60 - x = 0

or, x = 60

Now we will test whether the above output is maximum or not. The second derivative of A is

A'' = -4

Since A'' is a constant function,

Now, A''(60) = -4

Therefore, the maximum side will have lengths of 60 m and 120 m.

Hence the largest area that can be enclosed with the fence is

60 X 120 m²

= 7200 m²

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Answer: 3

Step-by-step explanation:

Feom the question, we are informed that students are making ornaments and each takes 1/2 of a piece of Bristol board and that they go to the cupboard and find 1 1/2 pieces of Bristol board.

The number of ornaments that they can make will be calculated by dividing 1 1/2 by 1/2. This will be:

= 1 1/2 ÷ 1/2

= 3/2 ÷ 1/2

= 3/2 × 2/1

= 3

They can make 3 ornaments

Answer:

Nominal decisions can be broken into two distinct categories: dichotomous decisions and polychotomous decisions.

Answer:

247

Step-by-step explanation:

1,4,11,26,57,120. see the pattern that emerges from the series:

4–1 = 3; 3–1 = 2 = 2^1

11–4 = 7; 7 - 3 = 4 = 2^2

26 - 11 = 15; 15 - 7 = 8 = 2^3

57 - 26 = 31; 31 - 15 = 16 = 2^4

120 - 57 = 63; 63 - 31 = 32 = 2^5

so the next number should be 64+63 = 127+120 = 247.

check: 247–120 = 127; 127–63 = 64 = 2^6. correct.

so the next number is 247. 2^n+(n-1)

Given sequence;

1, 4, 11, 26, 57, 120, _

The missing term  =?

Solution;

We need to find the relationship between each term and then we can find the missing term;

      1, 4, 11, 26, 57, 120, _ ;

 let us start with the first two;

       3 x 2 + 1  = 7 + 4  = 11

       7 x 2 + 1  =  15 + 11 = 26

       15 x 2 + 1 = 31 + 26 = 57

       31 x 2 + 1 = 63 + 57 = 120

       63 x 2 + 1 = 127  + 120 = 247

        We see this pattern and can conclude that the missing term is 247

Answer:

it's 4

Step-by-step explanation:

#4 because we can see how x repeats its self 2 times such as (-3,0) and (-3,8)

Answer:

Around 10.8

Step-by-step explana

4²+10²=c

Answer:

D be because 2 +4 -5

Step-by-step explanation:

Answer:

She has spent 2 hours and 20 minutes working out.

Step-by-step explanation:

Answer:

1. The Positive Integers - Natural Numbers

2. An Ordering of Quantities Separated by Commas - Sequence

3. The Sum of The Terms of an Associated Sequence - Series

4. One of The Individual Quantities of a Sequence - Term of a Sequence

5. A Formula That Yields The Value of a Term When That Term is Substituted In It - General Term of a Sequence

6. A Series That Has a Common Difference Between Terms - Arithmetic Series

7. A Series That Has a Common Ratio Between Terms Sequence - Geometric Series

8. A Sequence in Which Each Successive Terms Changes Sign - Alternating Sequence

Series are sum of terms of sequences. The names of each of the items specified are specified below.

Sequence is an ordering of numerical or mathematical quantities separated by commas, and series is sum of terms of sequences if addition is defined for those terms.

For the considered definitions, their names are given as:

1. the positive integers : It is called Natural Numbers. Example: 4 is a natural number.

2. an ordering of quantities separated by commas: Sequence

Example: 2,4,6...

3. the sum of the terms of an associated sequence: Series

Example: 2 + 4 + 6 + ...

4. one of the individual quantities of a sequence term of a sequence: Term

5. a formula that yields the value of a term when that term is substituted in it: general term of a sequence

6. a series that has a common difference between terms: Arithmetic series

7. a series that has a common ratio between terms: Geometric series

8. a sequence in which each successive terms changes sign: Alternating sequence

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The number of outcomes in the complement of the event is 163

The statement is given as:

Out of 301 apartments in a complex, 138 are available for rental.

This means that

Apartments = 301

Rental = 138

The complement is calculated as:

Complement = Apartment - Rental

So, we have

Complement = 301 - 138

Evaluate

Complement = 163

Hence, the number of outcomes in the complement of the event is 163

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Answer:

Leanne's hourly rate is $15 per hour

Step-by-step explanation:

Assuming a year is 52 weeks, divide $15,600/52 to find the $/week ($300). Then, divide $300/20 to find the $/hrs ($15)

The solution of the initial value problem is y(t) = 8C\(t^{2}\) .

To solve the given initial value problem, let's use the method of undetermined coefficients. We assume a solution of the form:

y(t) = A\(t^{2}\)  + Bt + C

Differentiating y(t) with respect to t, we get:

y'(t) = 2At + B

Taking the second derivative, we have:

y''(t) = 2A

Substituting these derivatives back into the differential equation, we get:

y''(t) - 4ty'(t) - 8y(t) = 2A - 4t(2At + B) - 8(A\(t^{2}\)  + Bt + C) = 2A - 8A\(t^{2}\)  - 4Bt - 8C - 8A\(t^{2}\)  - 8Bt - 8C

Simplifying, we have:

2A - 8A\(t^{2}\)  - 4Bt - 8C - 8A\(t^{2}\)  - 8Bt - 8C = 2A - 16A\(t^{2}\)  - 8Bt - 16C = 0

Comparing the coefficients of like terms, we have the following equations:

-16A = 0 (coefficient of \(t^{2}\)  terms)

-8B = 0 (coefficient of t terms)

2A - 16C = 0 (constant term)

From the first equation, we find A = 0. From the second equation, we find B = 0. And from the third equation, we find A = 8C.

Substituting A = 0 and B = 0 into the assumed form of y(t), we get:

y(t) = 8C\(t^{2}\)

Applying the initial conditions, y(0) = 0, we find:

y(0) = 8C\((0)^{2}\) = 0

0 = 0

This condition is satisfied for any value of C.

Next, let's apply the second initial condition, y'(0) = 0:

y'(t) = 16Ct

y'(0) = 16C(0) = 0

This condition is also satisfied.

Therefore, the solution to the given initial value problem is:

y(t) = 8C\(t^{2}\)

where C can be any real number.

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Travis traveled at a rate of 53 mph for 1.5 hours and at a rate of 58 mph for 2 hours during his business trip of 195.5 miles, which took a total of 3.5 hours. To determine how long Travis traveled at each rate, we can set up a system of equations based on the given information.

Let's assume Travis traveled at the rate of 53 mph for a certain amount of time, denoted as t₁ (in hours), during the first part of the trip. Then, he traveled at the rate of 58 mph for the remaining time, t₂ (in hours), during the second part of the trip.

We know that the total distance traveled is 195.5 miles, and the total time taken is 3.5 hours. Therefore, we can write two equations based on these quantities:

Equation 1: Distance traveled at 53 mph + Distance traveled at 58 mph = 195.5 miles

53t₁ + 58t₂ = 195.5

Equation 2: Time traveled at 53 mph + Time traveled at 58 mph = 3.5 hours

t₁ + t₂ = 3.5

We now have a system of two linear equations with two unknowns. We can solve this system using various methods, such as substitution or elimination.

Let's use the substitution method to solve the system. From Equation 2, we can express t₁ in terms of t₂:

t₁ = 3.5 - t₂

Substituting this value of t₁ into Equation 1, we get:

53(3.5 - t₂) + 58t₂ = 195.5

185.5 - 53t₂ + 58t₂ = 195.5

5t₂ = 10

t₂ = 2

Substituting the value of t₂ back into Equation 2, we can find t₁:

t₁ = 3.5 - t₂

t₁ = 3.5 - 2

t₁ = 1.5

Therefore, Travis traveled at a rate of 53 mph for 1.5 hours and at a rate of 58 mph for 2 hours.

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Answer:

the burgers be 3 and fries be 2

Step-by-step explanation:

The computation is shown below:

Let us assume burgers be x

And, the fries be y

Now according to the questiojn

1.25x + 0.50y = $4.75

1.50x + 0.99y = $6.48

Now multiply by 1.2 in the first equation

1.50x + 0.6y = $5.70

1.50x + 0.99y = $6.48

-0.39y = -0.78

y = 2

Now put the value of y in any of the above equation

1.25x + 0.50(2) = $4.75

x = 3

Hence, the burgers be 3 and fries be 2

Based on her data, Adelle should expect the bus to be late 20% of the time. So, the correct option is (a).

Adelle has tracked the arrival of her bus for 20 days. On 16 of those days, the bus arrived on time. On 4 days, the bus was late. This means that the bus was late 4/20 = 20% of the time.

It is important to note that this is just an estimate. The actual percentage of time the bus is late may be higher or lower. This is because Adelle has only tracked the bus for a limited number of days. If she were to track the bus for a longer period of time, the percentage of time the bus is late might become more accurate.

Here are some other factors that could affect the percentage of time the bus is late:

The time of day. The bus might be more likely to be late during rush hour or during bad weather.

The day of the week. The bus might be more likely to be late on weekends or holidays.

The route the bus takes. The bus might be more likely to be late if it takes a longer route or if it has to make a lot of stops.

If Adelle is concerned about the bus being late, she can try to find out more information about the bus's schedule and track the bus's arrival times for a longer period of time. She can also contact the bus company to see if there is anything they can do to improve the bus's on-time performance.

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Answer:

5 laps

Step-by-step explanation:

35\7

= 5

Therefore your ans is 5

Fractions

We have the fractions:

2/5 and 3/10

The denominators of the fractions are 5 and 10.

We need to find a common number for 5 and 10. There are several numbers that are common multiples of both 5 and 10. We only need to find the first multiples of each:

5 , 10 , 15 , 20 , 25 , 30 , ...

10 , 20 , 30 , 40 , ....

We can see the numbers {10,20,30,...} are common multiples of 5 and 10. We can select any of those as our solution, but we prefer to pick the first one: 10.

To find 10 out of 5, we need to multiply it by 2, thus the whole fraction must be multiplied by 2:

2/5 = 4/10

Now 4/10 and 3/10 have a common denominator.

As mentioned, we have found the least possible denominator, but there are many others.

Answer:

3.7096902=area

Step-by-step explanation:

2.1x1.4=2.94m^2

2.94+(.5pi(.7^2))

Answer:

B. 15

Step-by-step explanation:

Step by Step Solution

More Icon

Reformatting the input :

Changes made to your input should not affect the solution:

(1): "11.3" was replaced by "(113/10)".

Rearrange:

Rearrange the equation by subtracting what is to the right of the greater than sign from both sides of the inequality :

                    b-((113/10))>0  

Step by step solution :

STEP

1

:

           113

Simplify   ———

           10  

Equation at the end of step

1

:

      113

 b -  ———  > 0  

      10  

STEP

2

:

Rewriting the whole as an Equivalent Fraction

2.1   Subtracting a fraction from a whole

Rewrite the whole as a fraction using  10  as the denominator :

         b     b • 10

    b =  —  =  ——————

         1       10  

Equivalent fraction : The fraction thus generated looks different but has the same value as the whole

Common denominator : The equivalent fraction and the other fraction involved in the calculation share the same denominator

Adding fractions that have a common denominator :

2.2       Adding up the two equivalent fractions

Add the two equivalent fractions which now have a common denominator

Combine the numerators together, put the sum or difference over the common denominator then reduce to lowest terms if possible:

b • 10 - (113)     10b - 113

——————————————  =  —————————

      10              10    

Equation at the end of step

2

:

 10b - 113

 —————————  > 0  

    10    

STEP

3

:

3.1    Multiply both sides by  10  

3.2    Divide both sides by  10  

     b-(113/10)  > 0

Solve Basic Inequality :

3.3      Add  113/10  to both sides

            b > 113/10

Inequality Plot :

3.4      Inequality plot for

        b  - 11.300  >  0

One solution was found :

b > 113/10

Which number is a solution of the inequality?

b > 11.3

The answers are 15,9,-14, and 4

15

The missing Value, x, that when multiplied by 5/3^4 gives the result of 5^4 is 13125.

The missing value that, when multiplied by 5/3^4, gives the result of 5^4, we can set up the equation:

(5/3^4) * x = 5^4

To solve for x, we can simplify both sides of the equation. First, let's simplify the right side:

5^4 = 5 * 5 * 5 * 5 = 625

Now, let's simplify the left side:

5/3^4 = 5/(3 * 3 * 3 * 3) = 5/81

Now we have:

(5/81) * x = 625

To solve for x, we can multiply both sides of the equation by the reciprocal of 5/81, which is 81/5:

(81/5) * (5/81) * x = (81/5) * 625

On the left side, the fraction (81/5) * (5/81) simplifies to 1, leaving us with:

1 * x = (81/5) * 625

Simplifying the right side:

(81/5) * 625 = 13125

Therefore, the missing value, x, that when multiplied by 5/3^4 gives the result of 5^4 is 13125.

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the answer is 154 mm²

we basically have to do the area for the first tri then the rectangle then the other tri and add them

Answer:

154

Step-by-step explanation:

I can't give the solution process, I just figure it out in my mind.

Answer:

14

Step-by-step explanation:

15 -4=11

6-3=3

then a minus ND minus it makes a plus the 11+3=14

The UCR (Uniform Crime Reporting) is B. not a truly reliable measure.

The UCR is a program established by the FBI in 1930 to collect and analyze crime statistics from law enforcement agencies across the United States. Although it provides useful data and insights into crime trends, it is not without its limitations. One significant issue with the UCR is that it relies on voluntary reporting from law enforcement agencies, meaning that some areas may not provide complete or accurate data. This can lead to an underrepresentation of certain crimes or inconsistencies in reporting across jurisdictions.

Another limitation is that the UCR only includes reported crimes, excluding any unreported criminal activity. This means that the data does not necessarily provide a comprehensive picture of all crimes occurring in a given area. Additionally, the UCR uses a hierarchy rule, meaning that if multiple crimes are committed during a single incident, only the most severe crime is counted. This can result in an undercounting of less severe but still significant crimes.

In summary, although the UCR provides valuable information on crime trends and patterns, it is not a truly reliable measure due to its reliance on voluntary reporting, exclusion of unreported crimes, and hierarchy rule. Therefore, the correct option is B.

The question was incomplete, Find the full content below:

it is fair to say that the ucr is: group of answer choices

A. A mutually exclusive measure

B. Not a truly reliable measure

C. An exhaustive measure

D. All of the above

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Answer:

2/4=0.5

A = 0.5

Step-by-step explanation: