Can somebody tell me if this is correct???

Creating a discussion question, evaluating prospective solutions, and brainstorming and evaluating possible solutions are steps in problem-solving.

What is problem-solving?

Problem-solving is the method of examining, analyzing, and then resolving a difficult issue or situation to reach an effective solution.

Problem-solving usually requires identifying and defining a problem, considering alternative solutions, and picking the best option based on certain criteria.

Below are the steps in problem-solving:

Step 1: Define the Problem

Step 2: Identify the Root Cause of the Problem

Step 3: Develop Alternative Solutions

Step 4: Evaluate and Choose Solutions

Step 5: Implement the Chosen Solution

Step 6: Monitor Progress and Follow-up on the Solution.

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The zero #1 is (-3, 0) and the zero #2 is (1, 0).

To find the zeros of the quadratic equation y = 2x² + 4x - 6, we need to solve for the values of x when y = 0.

We can start by setting y to zero:

0 = 2x² + 4x - 6

Next, we can divide both sides by 2 to simplify the equation:

0 = x² + 2x - 3

We can then factor the left-hand side of the equation:

0 = (x + 3)(x - 1)

Using the zero product property, we can set each factor equal to zero and solve for x:

x + 3 = 0 or x - 1 = 0

x = -3 or x = 1

So the zeros of the quadratic function are (-3,0) and (1,0).

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Step-by-step explanation:

A TV programme starts at 8:40 pm. If it is ninety minutes long, at what time does it finish?

10:10 pm

Answer:

Starts at 8:40 pm

Ends in 90 minutes

Now,

         8:40

        +90(1:30 pm)

        =9:70pm

        =10:10pm

Step-by-step explanation:

test of 250 questions

40% of the fist 125 are ok, this means that 125(0.4) = 50 questions of the first 125 are ok

If jassi needs 60% of the 250 ok, that is 250(0.6) = 150

If of the first half she already has 50 questions ok, and needs 150, she needs to have 100 questions our of the second 125

If she needs 100 out of 125, this percent is 100/125 = 0.8, this means 80%

Answer:

Jassi needs 80% of the second 125 questions to be ok

Answer:

y=2x+4

Step-by-step explanation:

2 is the slope, you can see that with rise over run. 4 is the y intercept

Answer:

y=2x+4

Step-by-step explanation:

Look at the y-axis if the point that touches the y-axis is 4

Then the slope is 2

you go down 2 which is -2 (Since down is negative)

and you go left 1 which is -1 (Since left is negative)

now the equation looks like this:

y=-2/-1x+4

Simplify: (negative and negative cancel each other out making it positive)

y=2x+5

Answer:

-15

Step-by-step explanation:

just used a calculator

Answer:

After you enter the expression, Algebra Calculator will print a step-by-step ... Here are some examples: y=2x^2+1, y=3x-1, x=5, x=y^2. To graph a point, enter an ordered pair with the x-coordinate and y-coordinate separated by a comma, e.g., (3,4

Step-by-step explanation:

agen simple math for a middle school student

The standard deviation of the lengths of worms Bryant collected, given that the variance is 36 is :

(B) 6

To find the standard deviation of the lengths of worms Bryant collected, given that the variance is 36, we can use the formula:

standard deviation = √variance.

In this case, variance = 36.

Identify the variance, which is given as 36.

Calculate the square root of the variance.

√36 = 6

The standard deviation from the mean is 6.

Therefore, the correct answer is option B. 6.

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The statement "Increasing the step size h in Euler's method generally results in a less accurate estimate of the value y(t_end) that we are looking for" is (b) false because a smaller step size provides a more accurate estimate.

Increasing the step size h used in Euler's method can actually result in a less accurate estimate of the value y(t,end). This is because larger step sizes can lead to increased truncation error and instability in the method. It is generally recommended to use a smaller step size for a more accurate estimate in Euler's method.

A larger step size might not capture the finer details of the function's behavior, leading to more significant errors in the approximation. A smaller step size typically provides a more accurate estimate as it better represents the changes in the function over the interval.

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Answer:

\(y = 42( { \frac{1}{2}) }^{x} \)

Answer:

a. 3.5  

b.5.4

c 2.6  

Step-by-step explanation:

/\_

Answer:

x = -2

Step-by-step explanation:

y = -4

2x -3y = 8

Substitute the first equation into the second equation

2x - 3(-4) = 8

2x +12 = 8

Subtract 12 from each side

2x+12-12 = 8-12

2x = -4

Divide by 2

2x/2 = -4/2

x = -2

Answer:

x = 3/4

Step-by-step explanation:

1. Rearrange terms

2x - 1 = 5 - 6x

2x - 1 = -6x + 5

2. Add 1 to both sides of the equation. We want to get rid of -1.

2x -1 = -6x + 5

    +1            +1

-------------------------

2x = -6x + 6

3. Simplify.

2x + 6x = 6

8x = 6

6/8 = 3/4

Then, the answer is 3/4.

Hope this helps.

Answer: A. -9, -4, 5, 6

Step-by-step explanation:

Answer:

The answer is A. the bigger number that is negative is always smaller

Answer:

d =\(\sqrt{37}\)

Step-by-step explanation:

Distance Formula

d = \(\sqrt{(x_{2} - x_{1})^2 + (y_{2} - y_{1})^2 }\)

d = \(\sqrt{{(-3 - -2)^2 + (-4 - -10)^2 }\)

d = \(\sqrt{(-1)^2+(6)^2}\)

d = \(\sqrt{1+36}\)

d =\(\sqrt{37}\)

Answer:

Step-by-step explanation:

5 and 30 5+30= 35 30×5=150

Answer:

The answer is 70 feet

Step-by-step explanation:

Here, We know the area so,

Area = Width × Height

Height = Area ÷ Width

H = 4200 ÷ 60 feet

H = 70 feet

Thus, The height of the billboard is 70 feet

-TheUnknownScientist 72

The system of  equations that can be entered is y = 16.9x - 2.3 and y = 3.2x + 18

From the question, we have the following parameters that can be used in our computation:

16.9x-2.3=3.2x+18

Express the equation properly

So, we have the following representation

16.9x - 2.3 = 3.2x + 18

Next, we split the equation and introduce the variable y

So, we have

y = 16.9x - 2.3

y = 3.2x + 18

The above is the system of equations

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A chart that compares three sets of values in a three-dimension chart is called surface.

A two-dimensional collection of points (flat surface), a three-dimensional collection of points with a curved cross section (curved surface), or the perimeter of any three-dimensional solid are all examples of surfaces in geometry.

A surface is typically a continuous boundary that separates two areas of a three-dimensional space. For instance, a sphere's surface divides its interior from its exterior, and a horizontal plane divides the half-planes above and below it. Despite the fact that regions they contain are three-dimensional and have a volume, surfaces are basically two-dimensional and have an area. Despite this, surfaces are frequently referred to by the names of the regions they surround. Differential geometry studies the characteristics of surfaces, particularly the concept of curvature.

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By combining the square roots and simplify the exponents we get the expression 1296√2a⁴b¹²c¹⁰

To simplify the expression, we can combine the square roots and simplify the exponents.

√27a³b²c⁴ x √128a⁷b⁹c⁴ x √729a¹b¹²c²

First, let's simplify the numbers inside the square roots:

√(27) = √(3² × 3) = 3√3

√(128) = √(2⁷ × 2) = 2⁴√2 = 16√2

√(729) = √(9³ × 3²) = 9√3

3√3 ×16√2 × 9√3 × a⁴ × b¹² × c¹⁰

Finally, we can simplify the expression:

3 × 16 × 9 × √(3) ×√(2) × √(3) × a⁴ × b¹² × c¹⁰

= 432 × √(3² × 2) × a⁴ × b¹² × c¹⁰

= 432×3 × √(2) × a⁴ × b¹²× c¹⁰

= 1296√2×a⁴ × b¹² × c¹⁰

Therefore, the simplified expression is 1296√2a⁴b¹²c¹⁰

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Answer:

Yes she did have enough clay to make both items.

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The smallest variances are observed between nitric acid and substances B (at 4 degrees) and F (at 3 degrees).

Compare the freezing points of the substances to -42°C to determine a solution, using the following values:

A: |-60 - (-42)| = 18

B: |-38 - (-42)| = 4

C: |-25 - (-42)| = 17

D: |-50 - (-42)| = 8

E: |-10 - (-42)| = 32

F: |-45 - (-42)| = 3

The smallest variances are observed between nitric acid and substances B (at 4 degrees) and F (at 3 degrees).

Therefore, the freezing point of nitric acid must be within that specific range.

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Given the freezing points in degrees Celsius for six substances A, B, C, D, E, and F as follows:

A: -60°C

B: -38°C

C: -25°C

D: -50°C

E: -10°C

F: -45°C

Find the two substances whose freezing points are closest to nitric acid's freezing point of -42°C.

Answer:

Step-by-step explanation:

There are 100 cm in 1 meter. the dimensions are 400cm by 250cm. depending on which way you turn them, they will fit better. if you take 400 divided by 16, you will have a row of 25 wide and if you divide 250 by 10, you will have a length of 25. you now have 25 rows of 25. 25x25 is 625 tiles.

Hope this helps

This is an example of interviewer bias where the gender of the interviewer may have impacted the replies of the unmarried males in the poll.

This is an example of interviewer bias, where the gender of the interviewer may have influenced the responses of the unmarried men in the survey. The results may not accurately reflect the true opinions of the participants as their answers could have been affected by their desire to impress or please the interviewer.

This situation is an example of response bias, specifically interviewer bias, which occurs when the respondent's answer is influenced by the gender or characteristics of the interviewer, rather than their true preferences or opinions.

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The number of possible different sequences of heads and tails is 1024.

A list of numbers (or other components) that follow a specific pattern is called a sequence. An arithmetic progression is one of the common examples of sequence and series.

A sequence can be arranged in either ascending or descending order.

Each flip has two outcomes H or T, so in ten flips you can get a sequence like HTHHTHTTTH

The number of possible different sequences is simply 2*2*2*2*2*2*2*2*2*2 = 2^10 = 1024

Thus, The number of possible different sequences of heads and tails is 1024.

Complete question:

If you flip a coin ten times, how many different sequences of heads and tails are possible?

a. 2° = 512

b. 10 = 100

C. 102 = 1024

d. 210 = 1024

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Answer:

78

Step-by-step explanation:

x = your age

400 - 2x = 244

subtract 400 from both sides of the equation:

-2x = -156

divide both sides by -2:

x = 78

Answer: 78

Step-by-step explanation:

x = your age

400 - 2x = 244

subtract 400 from both sides of the equation:

-2x = -156

divide both sides by -2:

x = 78

Answer:

x/65= 7/17.78

Step-by-step explanation:

B or witch  ever one looks like that

The amplitude of v(t) at steady-state is (a) Amplitude = KFc. This is because the amplitude of the response in a linear system is proportional to the amplitude of the forcing function, and the constant of proportionality is the system gain, K.

In this case, the forcing function has an amplitude of Fc, and the system gain is K, so the amplitude of the response at steady-state is K times Fc, or KFc. The amplitude of v(t) at steady-state can be found by considering the relationship between the system gain (K) and the forcing function f(t). Given the forcing function f(t) = Fc * sin(100t/τ), we can determine the steady-state response by taking the amplitude of the sinusoidal forcing function and multiplying it by the system gain K. Hence, the amplitude of v(t) at steady-state is: Amplitude = K * Fc Therefore, the best answer is: a. Amplitude = KFc.

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It took both Sandy and Tom 54 seconds to cover the same distance.

We can set up an equation based on their relative speed

Take the supposition that Tom needs "t" seconds to travel the distance. Sandy started jogging 12 seconds before Tom, so it will take her "t + 12" seconds longer to complete the same distance.

To determine the distance traveled by Sandy, multiply her speed (7 meters per second) by her time (t + 12) seconds. Tom's distance traveled may be determined by dividing his speed (9 meters per second) by his time (t) seconds.

Equating the distances covered by Sandy and Tom:

7(t + 12) = 9t

Expanding the equation:

7t + 84 = 9t

Subtracting 7t from both sides:

84 = 2t

Dividing both sides by 2:

t = 42

Tom traveled the distance in 42 seconds as a result. We add the 12-second lead Sandy had to determine the time it took for both Sandy and Tom to travel the same distance:

t + 12 = 42 + 12 = 54

So, it took both Sandy and Tom 54 seconds to cover the same distance.

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The smallest value within the class is the lower class limit, and the largest value within the class is the upper class limit.

A class limit is a set of boundary values in the form of a range that describes the lowest and highest data values that a class can contain. The lower class limit refers to the smallest data value in a class, whereas the upper class limit refers to the largest data value in a class. The width of a class is determined by the difference between the upper and lower class limits. Here are a few examples to give you a better understanding of how this works:

Class:              5-9 5 9

Lower Limit:    10-14 10 14

Upper Limit:    15-19 15 19

This shows class limits for three different classes.

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