need this answer---i hate geometry so much

Answer:

by stating what the time was before the zero point came.

Step-by-step explanation:

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Answer:

A = kr²

Step-by-step explanation:

Given A is directly proportional to r² then the equation relating them is

A = kr² ← k is the constant of variation

Answer:

choose option E.

Step-by-step explanation:

Given

t² = 2p + as

.Making s as the subject

as = t² - 2p

s = ( t² - 2p) / a

t² = 2p + as

t² - 2p = as

(t² - 2p)/a = s

s = (t² - 2p)/a , answer = E

In backtracking with conflict-directed back-jumping, the search for a solution to a problem is performed using a depth-first search algorithm. The variable order you mentioned, (a1, h, a4, f1, a2, f2, a3, t), represents the sequence in which variables are assigned values during the search. The value order, (red, green, blue), indicates the order in which the algorithm will try assigning different values to the variables.

Conflict-directed back-jumping is an improvement over basic backtracking, as it helps reduce the search space by identifying and jumping over irrelevant parts of the search tree. When a conflict (i.e., an unsolvable assignment) is encountered, the algorithm doesn't simply backtrack to the previous variable but rather identifies the cause of the conflict and jumps back to the most recent variable responsible for the conflict. This allows the algorithm to skip parts of the search tree that are guaranteed not to yield a solution.

In summary, backtracking with conflict-directed back-jumping is an efficient search technique that uses a specific variable and value order to assign values during the search. It improves upon basic backtracking by identifying the cause of conflicts and jumping back to the most recent relevant variable, thus reducing the search space and time complexity.

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Step-by-step explanation:

Answer:

Is 5/-1, -5?

Step-by-step explanation:

because if it is you are correct

The amount of fiber asked by the doctor to be consumed is 30 grams .

Method to calculate percentages :

Percentage can be calculated by dividing the value by the total value, and then multiplying the result by 100 .

Let the amount of fiber asked by the doctor to be consumed be x .

According to question ,

40 % of x = 12

Solving the equation ,

( 40 / 100 ) * x = 12

x = 1200 / 40

x = 30

Hence ,  the amount of fiber asked by the doctor to be consumed is 30 grams .

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Answer:

30

Step-by-step explanation:

The correct option, for the sum of the series is

d. its sum is 1/10

To find the sum of the series Σ 1 / (n+9)(n+10), we can rewrite it as follows:

Σ 1 / (n+9)(n+10) * 1(n + 9) = Σ (1 / (n+9)) - (1 / (n+10))  * 1(n + 9)

Now, let's evaluate the terms of the series:

When n = 0:

Term 1: 1 / (0+9) = 1/9

Term 2: 1 / (0+10) = 1/10

Term 3:  1(0 + 9) = 9

Therefore, the sum of the series when n = 0 is:

(1/9 - 1/10) * 9 = 1/90 * 9

So, the sum of the series when n = 0 is 1/10.

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Answer:

1)  yes, SAS

2)  yes, AAS

3)  yes, SAS

4)  not enough information to know

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

When displaying any sort of data, it is important to make the table or chart as easy to understand and read as possible without compromising the data. In this case, it is simpler to understand the pie chart if we use as few slices as possible that still makes sense for displaying the data set.

Given:

A quadratic function has a line of symmetry at x = –3.5 and a zero at –9.

To find:

The other zero.

Solution:

We know that, the line of symmetry divides the graph of quadratic function in two congruent parts. So, both zeroes are equidistant from the line of symmetry.

It means, line of symmetry passes through the mid point of both zeroes.

Let the other zero be x.

\(-3.5=\dfrac{(-9)+x}{2}\)

Multiply both sides by 2.

\(-7=-9+x\)

Add 9 on both sides.

\(-7+9=-9+x+9\)

\(2=x\)

Therefore, the other zero of the quadratic function is 2.

Answer: A=0, B=6, C=4.

The axis of symmetry is x = ½

The smaller zero is -2

The larger zero is 3

Step-by-step explanation: Correct in edge 2020, the format makes it hard to find answers online but I just did the assignment

The correct answer is:

a. X = data; Y = random variable

In statistics, "data" refers to the collection of observations or measurements made on a particular variable or set of variables. X is typically used to represent the random variable of interest, which is defined before any data is collected.

On the other hand, a statistic is a function of the data that is used to estimate a population parameter or describe some aspect of the data. An estimator is a formula or algorithm used to calculate a statistic based on a sample of data. The values of the estimator when applied to a particular sample are called estimates.

Therefore, X is not an estimator or estimate but rather the random variable being studied, while Y represents the values of X observed in a particular sample, making it a random variable as well.

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Answer:

238

Step-by-step explanation:

Important note: ∠FAH is an inscribed angle and arc mFGH is it's intercepted arc

opposite angles in a quadrilateral formed inside of a circle area supplementary

Supplementary meaning that they add up to equal 180

So 13x + 15 + 8x - 3 = 180

We now solve for x

step 1 combine like terms

13x + 8x = 21x

15 - 3 = 12

12 + 21x = 180

step 2 subtract 12 from each side

12 - 12 cancels out

180 - 12 = 168  

21x = 168

step 3 divide each side by 21

21x / 21 = x

168 / 21 = 8

we're left with x = 8

Now we substitute 8 for x in 13x + 15

13 ( 8 ) + 15

13 * 8 = 104

104 + 15 = 119

So ∠FAH = 119

Recall that an included angle is equal to half the measure of its intercepted arc.

so arc mFGH = 2 (119)

2 * 119 = 238

Therefore your answer is A

Answer:

Step-by-step explanation:

True.

An enumerator is a special data type in some programming languages that allows us to give names to integer values, making the code more readable and easier to maintain.

However, an enumerator cannot be directly assigned to an int variable because they are not compatible data types. An int variable can only store integer values, while an enumerator is a named constant that represents an integer value.

To assign an enumerator to an int variable, we need to explicitly cast the enumerator to an int using type conversion.

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Answer:

6.3 yards

Step-by-step explanation:

mathematically, to get the circumference of the circle, we will have to use the formula for the circumference of a circle

we have this as;

C = 2 * pi * r

r is 1 yard

c = 2 * pi * 1 = 2pi yards = 6.3 yards

Answer:

Samantha makes more money with $8.40 an hour.

Explanation:

$41.50 divided by 5 is $8.30, and %50.40 divided by 6 is $8.40.

Answer:

Samantha makes more

Step-by-step explanation:

Dillon:

41.50/5 would = $8.3 an hr

Samantha:

50.40/6 would =$8.4 an hr

Answer:

3(2 + 3)

Step-by-step explanation:

both answers equal 15

Answer:

(9+6)

Step-by-step explanation:

Answer:

x = -2

Step-by-step explanation:

3/2 (x-5) - 3/2 = 9x/2

3x/2 - 15/2 - 3/2 = 9x/2 ... alldenominator

are 2 so we can multiply all term by 2

2(3x/2 - 15/2 - 3/2 = 9x/2)

3x - 15 - 3 = 9x ... simplify it

3x - 12 = 9x

-12 = 9x - 3x ... take 3x to the left

-12 = 6x ... simplify

6x/6 = -12/6 ... dividing both side by 6

x = -2 ... simplify and solve x

Answer:

12

Step-by-step explanation:

No. of red flyers = 6

No. of blue flyers = 4

We need to find the minimum number of flyers of each color if she gave out the same number of red and blue flyers. For this we must find the LCM of 6 and 4.

Prime factorization of 6 = 2×3

Prime factorization of 4 = 2×2

Lowest common multiple of 6 and 4 = 12

Hence, there are 12 minimum number of flyers of each color

Now we have to,

→ prove that 100 - [5 × (3 + 4)] = 65.

Let's solve the problem,

→ 100 - [5 × (3 + 4)] = 65

→ 100 - [5 × 7] = 65

→ 100 - 35 = 65

→ 65 = 65

→ LHS = RHS

Hence, proved the equation.

The percentage of females who have an arm span at least as 73 inches is 1.1%.

a) To find the percentage of women with arm spans less than 61 inches, we need to standardize the value using the Z-score formula, where Z = (X - µ) / σZ = (61 - 65.2) / 3.4Z = -1.24.

Using a standard normal distribution table or calculator, the probability of getting a Z-score less than -1.24 is 0.1075 or approximately 10.8%.Therefore, the percentage of women with arm spans less than 61 inches is 10.8%.

b) To find the percentage of females who have an arm span at least as 73 inches, we need to standardize the value using the Z-score formula, where Z = (X - µ) / σZ = (73 - 65.2) / 3.4Z = 2.29

Using a standard normal distribution table or calculator, the probability of getting a Z-score greater than 2.29 is 0.0112 or approximately 1.1%.Therefore, the percentage of females who have an arm span at least as 73 inches is 1.1%.

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The solution of the given differential equation is;y(t) = (-1/2) * e^(-1/4t) * sin(√t - 1/4) + (3/2) * e^(-1/4t) * sin(√t - 1/4)

We are given;d²y/dt² + dy/dt + ty = 1; y(0) = 1 ...equation [1]To solve this equation, we will use Laplace Transform.

The Laplace Transform of y(t) is denoted by Y(s), defined as;Y(s) = L(y(t)) = ∫₀^∞ y(t) e^(-st) dt

The Laplace Transform of the first derivative, dy/dt of y(t) is;L(dy/dt) = sY(s) - y(0)

The Laplace Transform of the second derivative, d²y/dt² of y(t) is;L(d²y/dt²) = s²Y(s) - s*y(0) - y'(0),where y'(0) = dy/dt(t=0)

From equation [1], we can apply the Laplace Transform as follows;s²Y(s) - s*y(0) - y'(0) + sY(s) - y(0) + tY(s) = 1

Substituting the initial conditions, we have;s²Y(s) - s*1 - y'(0) + sY(s) - 1 + tY(s) = 1s²Y(s) + sY(s) + tY(s) = 2 + y'(0) + 1 [since y(0) = 1]s²Y(s) + sY(s) + tY(s) = y'(0) + 3 ........equation [2]

We know that;1 / (s² + s + t) = Y(s)

By using partial fraction decomposition ;1 / (s² + s + t) = A(s+1) + B(s+1) / (s² + s + t)

By equating numerators;1 = A(s² + s + t) + B(s+1)

Expanding the brackets and comparing the coefficients, we get;1 = A+B ...........equation [3]

0 = A+B+1 .....equation [4]

From equation [3], we have;A = 1-B

Substituting into equation [4];1-B+B+1 = 0; 2B = -2B = -1

From equation [3], we have;A = 1 - (-1) = 2

By substituting these values into the partial fraction decomposition, we have;1 / (s² + s + t) = 2(s+1) / (s² + s + t) - (1/2)(s+1) ........equation [5]

Substituting equation [5] into equation [2];s²Y(s) + sY(s) + tY(s) = y'(0) + 3;Y(s) = (y'(0) + 3) / (s² + s + t) - 2(s+1) / (s² + s + t) + (1/2)(s+1) / (s² + s + t)

Taking the inverse Laplace Transform of Y(s);y(t) = L^-1 (Y(s)) = L^-1 [(y'(0) + 3) / (s² + s + t)] - L^-1 [2(s+1) / (s² + s + t)] + L^-1 [(1/2)(s+1) / (s² + s + t)]

To take the inverse Laplace Transform, we can use the following formula;L^-1 [1 / (s² + s + t)] = e^(-1/4t) * sin(√t - 1/4)

We have;y(t) = (y'(0) + 3) * e^(-1/4t) * sin(√t - 1/4) - 2 * e^(-1/4t) * sin(√t - 1/4) + (1/2) * e^(-1/4t) * sin(√t - 1/4)

To find y'(0), we can differentiate equation [1] with respect to t, we get;d³y/dt³ + d²y/dt² + t(dy/dt) = 0

Substituting t=0 and y(0) = 1, we get;d³y/dt³ + d²y/dt² = 0

Therefore;y''(0) = -y'''(0)y''(0) = -(d/dt)(d²y/dt²)

Substituting equation [1] into the above equation, we get;y''(0) = -(d/dt)(1+ty)dy/dt + y' = 0

Substituting t=0 and y(0) = 1, we get;y'(0) = 0

Substituting this value into the equation of y(t), we get;y(t) = (3/2) * e^(-1/4t) * sin(√t - 1/4) - 2 * e^(-1/4t) * sin(√t - 1/4) + (1/2) * e^(-1/4t) * sin(√t - 1/4)y(t) = (-1/2) * e^(-1/4t) * sin(√t - 1/4) + (3/2) * e^(-1/4t) * sin(√t - 1/4)

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Answer:

answer is b)

\( {(r + s)}^{2} = {r}^{2} + 2rs + {s}^{2} \)

The rate at which water is being pumped into the tank is 11,760 cm3/min.

          V = (1/3)πr2h

          Using similar triangles:

          (r / 2) = (2 / 6)

          r = 2/3 * 4r = 8/3 cm

          dV / dt = (πr2 / 3)dh / dt

         dV / dt = pump rate - leak rate

      = pump rate - 10,500 cm3/mindh / dt

      = 20 cm/minr = 8/3 cm

        pump rate - 10,500 = (π(8/3)2 / 3) * 20pump rate - 10,500

     = 2114.67pump rate

     = 11,760 cm3/min

Therefore, the rate at which water is being pumped into the tank is 11,760 cm3/min.

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Answer:

750 gallons per hour

Step-by-step explanation:

divide 18000 by 24 and you get 750

we have

1,123 miles

rewrite

1,123=1,123(1,000/1,000)=1.123(1,000)=1.123 x 10^3 miles

Remember that

1,000/1,000=1

therefore

1,123 miles=1.123 x 10^3 miles

Answer:

B.  x <= -17 or x >= 15

Step-by-step explanation:

To solve this inequality, we need to split the absolute value expression into two separate cases, one for each possible sign of the expression within the absolute value bars.

For the case where the expression within the absolute value bars is positive, we can remove the absolute value bars and solve the resulting inequality as follows:

1/4(x+1) >= 4

(x+1) >= 16

x >= 15

For the case where the expression within the absolute value bars is negative, we can again remove the absolute value bars and solve the resulting inequality as follows:

-1/4(x+1) >= 4

-(x+1) >= 16

x <= -17

Combining these two cases, we get that the solution to the inequality is:

x <= -17 or x >= 15

So, the correct answer is B.

Answer:

S(A) = 7

Step-by-step explanation:

A ⊆B  means A is a proper subset of B. That means all elements of set A are also elements of set B

S(B\A) means the set of all elements of B that are not in set A. This is given as 28

We are also given S(B)  = 5.S(A)

Since A is a subset of B, S(B) = set of all elements in A and set of all elements in B but not in A

In other words
S(B) = S(A) + S(B\A)

Since S(B) = 5S(A) we get

5S(A) = S(A) + S(B\A)

5S(A) = S(A) + 28

5S(A) - S(A) = 28

4S(A) = 28

S(A) = 7

Answer:

x<-2

Step-by-step explanation:

17+4x<9

4x<-8

x<-2

The solution is:

Work/explanation:

Recall that the process for solving an inequality is the same as the process for solving an equation (a linear equation in one variable).

Make sure that all constants are on the right:

\(\bf{4x < 9-17}\)

\(\bf{4x < -8}\)

Divide each side by 4:

\(\bf{x < -2}\)