PQ=6x+25 and QR = 16-3

Answer:

8260

Step-by-step explanat11:

g

Answer: 8260

Step-by-step explanation:

From the decimal point (well, where it would be in this case = 8259.0) you start at the decimal and moving to the left would be tens, hundreds, thousands, etc. So once you know which digit you are looking at to round, 5 and higher, you round up, 4 and below, round down.

So if it was 8253 it would have been 8250.

Answer:

-1+5=4(so-1and5)

-2+6=4(so-2and6)

-4+8=4(so-4and8)

Answer:

Step-by-step explanation:

its 12 yd

Answer:

This is your answer. If I'm right so,

Please mark me as brainliest. thanks!!!

In an experiment where a person eating at a cafeteria choose 4 out of the 19 vegetables on offer, the number of elements in the sample space is 3876.

A sample space of an experiment is the set of all possible outcomes of a random experiment. So the number of elements in a sample space is the total number of possible outcomes of  the experiment.

Here the experiment is choosing 4 vegetables from a set of 19 vegetables offered. The total number of ways to choose 4 out of 19 distinct vegetables = 19C4

= 19! / (4! × (19-4)!)

= 3876

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CS responding of 81 refers to the response to a conditioned stimulus. A suppression ratio of zero means no fear response is observed, indicating no learned association between the conditioned stimulus and the aversive outcome.


“CS responding” refers to the response elicited by a conditioned stimulus (CS). A conditioned stimulus is a neutral stimulus that, through repeated pairing with an unconditioned stimulus (UCS), acquires the ability to elicit a conditioned response (CR). The CS responding value represents the level or frequency of the conditioned response.
Now, let’s address the concept of a suppression ratio. In fear conditioning experiments, a common way to measure fear is through a suppression ratio, which is calculated by dividing the number of responses emitted during the CS presentation by the total number of responses emitted during a specific period, usually including both the CS and a baseline period.

A suppression ratio of zero indicates that no suppression of responding occurs during the presentation of the conditioned stimulus. This means that the individual is not showing any reduction in their responding when the CS is presented compared to the baseline period.
In terms of both responding and fear, a suppression ratio of zero suggests that the individual is not associating the CS with the aversive outcome (UCS) and does not exhibit any fear response. Essentially, there is no behavioral evidence of conditioned fear or a learned association between the CS and the aversive stimulus.

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Summary:

To solve the system of equations using the inverse of the coefficient matrix A, we need to find the inverse of matrix A, denoted as A^-1.

Given the system of equations:

x + 3y = -2   (Equation 1)

2x + 2y = 4   (Equation 2)

We can write the system of equations in matrix form as AX = B, where:

A = | 1  3 |

       | 2  2 |

X = | x |

       | y |

B = | -2 |

       | 4 |

To find the inverse of matrix A, we calculate:

A^-1 = 1/((1)(2) - (3)(2)) * | 2  -3 |

                                       | -2  1 |

Simplifying the inverse, we have:

A^-1 = 1/(-2) * | 2  -3 |

                          | -2  1 |

A^-1 = | -1   3/2 |

           | 1   -1/2 |

Therefore, the inverse of matrix A, A^-1, is:

| -1   3/2 |

|  1   -1/2 |

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One control measurement exceeding 2 standard deviations of control limits either above or below the mean is accepted as being an appropriate control limit range on a control chart utilizing the westgard rules.

Westgard Rules are multirule QC rules to help analyze whether or not an analytical run is in-control or out-of-control. It uses a combination of decision criteria, usually 5 different control rules to judge the acceptability of an analytical run.

Westgard Rules are generally used with 2 or 4 control measurements per run, which means they are appropriate when two different control materials are measured 1 or 2 times per material, which is the case in many chemistries application.

For hematology, coagulations, and immunoassays applications some alternate control rules are more suitable when three control materials are analyzed.

To perform multirule QC collect your control measurements in the same way as you would for a regular Levey-Jennings control chart; establish means and standard deviations for the control materials; then create a Levey-Jennings chart with the mean +3, +2, and +1 standard deviations.  The only difference is the interpretation of the data.

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Answer:

5

Step-by-step explanation:

 when you find y-intercept, plug 0 into x.

so 3(4)^0+2=3×1+2=5

The fourth term of the geometric sequence is 6.4.

We have to given that,

The first term of a geometric sequence is 20 and the second term is 8.

Let's denote the common ratio of the geometric sequence by r.

We know that the first term is 20,

so a₁ = 20,

And the second term is 8,

so a₂ = 20r = 8.

Solving for r, we get:

r = a₂/a₁ = = 8/20 = 2/5

Now, we want to find the fourth term of the sequence, which is a₄.

We can use the formula for the nth term of a geometric sequence, which is:

a (n) = a₁ rⁿ⁻¹

Plugging in n=4, a₁=20, and r=2/5, we get:

a₄ = 20 (2/5)³

a₄ = 6.4

Therefore, the fourth term of the geometric sequence is 6.4.

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Answer:

50.6

Step-by-step explanation:

Answer:

50.6.................

Answer:

232cm (2m 32cm)

Step-by-step explanation:

1m 34cm = 134cm
134cm + 98cm = 232 cm

Answer:

Answer: 40 degrees

Step-by-step explanation:

If this is a triangle the missing angle would be 40 degrees because

35 + 105 + 40 = 180

Hope this helps!

When we say p < .05, it suggests that there is less than 5% chance in 100 that any differences found were not due to the hypothesized reason.

The probability value (p-value) is a statistical measure that aids researchers in determining the likelihood of obtaining a particular observation if the null hypothesis is true. A null hypothesis is a statement or assumption that an experiment's result has no relation to the parameters being tested or the population at large.

The significance level (alpha) of the statistical analysis determines whether or not to accept the null hypothesis. If the calculated p-value is less than the significance level, the null hypothesis may be rejected, indicating that there is a statistical difference between the two datasets. If the p-value is greater than the significance level, there is insufficient evidence to reject the null hypothesis.A p-value of less than 0.05 is considered statistically significant, indicating that the likelihood of getting the observed result due to chance is less than 5%.

The rejection region in a hypothesis test is set to this level, implying that if the p-value is less than 0.05, we can conclude with 95% confidence that the null hypothesis should be rejected.

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Answer:

y = -13.5

x = -10.5

Step-by-step explanation:

Hi there!

Let the two numbers be equal to x and y.

The difference of two numbers is 3 ⇒ x - y = 3

Their sum is - 24 ⇒ x + y = -24

Solve using elimination:

x - y = 3

x + y = -24

Add the two equations:

x + x - y + y = 3 - 24

2x = -21

x = -10.5

Solve for y:

-10.5 - y = 3

- y = 3 + 10.5

y = -13.5

I hope this helps!

Answer:

11. 67.103

12. 7.25

13. 210.36

14. 10.5

15. 2.348

16. 72.2

hope that helps

The constants that we have to multiply to eliminate one variable from the system are 12 and 5.

The equations are

5x+13y = 232

12x + 7y = 218

Here we can cancel both x term and y terms, lets choose x terms  and apply the elimination method

The coefficient of x in first equation is 5 and 12 in second equation

We have to make it same

Prime factorization

5 = 5×1

12 = 2×2×3

LCM (5, 12 ) = 2×2×3×5 = 60

Multiply the first equation by 12 and second equation by 5

60x + 156y = 2784

60x + 35y = 1090

Subtract equation 2 from equation 1

121y = 1694

Here we have eliminated x term

Hence, the constants that we have to multiply to eliminate one variable from the system are 12 and 5.

The complete question is:

Which constants can be multiplied by the equations so one variable will be eliminated when the systems are added together? 5x + 13y = 232

12x + 7y = 218

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36π is the surface area of the given cylinder.

To find the surface area of a cylinder, you need to calculate the areas of the two circular bases and the lateral surface area.

The formula for the surface area of a cylinder is:

Surface Area = 2πr² + 2πrh

Given:

Height (h) = 7

Radius (r) = 2

First, let's calculate the area of each circular base:

Area of a circular base = πr²

Area of the top circular base = π(2²) = 4π

Area of the bottom circular base = π(2²) = 4π

Next, let's calculate the lateral surface area:

Lateral surface area = 2πrh

Lateral surface area = 2π(2)(7) = 28π

Now, we can find the total surface area by adding the areas of the bases and the lateral surface area:

Total Surface Area = Area of top base + Area of bottom base + Lateral surface area

Total Surface Area = 4π + 4π + 28π = 36π

Therefore, the surface area of the cylinder with a height of 7 and a radius of 2 is 36π.

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The lines which are parallel are none.

The slope is the ratio of the vertical changes to the horizontal changes between two points of the line.

m = ( y₂ - y₁ ) / ( x₂ - x₁ )

where (x₁, y₁) and (x₂, y₂) are the two points that you are trying to find the slope between.

Given;

Coordinates of three lines

a;(1,5) and (-2,-4)

b;(3,2) and (1,-4)

c;(6,1) and (-4,2)

Now, slopes of the lines

a= -4-5/-2-1

=10/3

b=-4-2/1-3

=-3

c=2-1/-4-6

=1/-10

Therefore, by slopes of the line none of them are parallel.

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Answer:

1) c 30j

2) b 16

3) c 3

4)b 65

Step-by-step explanation:

1) in algebra u dont write the multiplication sign so it equals 30j

2) sub p into 6. half of 6 is 3. add that to 13=16

3) coefficient means the number in front of the letter. in this case it is 3

4) 10^2=100. so sub in 20 into the x in the equation and multiply 15 by 4. the answer should be 65 if u do it correctly. Hope this helps :)

the product of 30 and a number j

( In the question, Its given "product of". This means here 30 is multiplied by j. So that, The answer will be "30j" )

Evaluate the expression 13 + 6p when, p = 1/2

\( = > 13 + 6p\) ( p = 1/2 )

\( = > 13 + 6 \times \frac{1}{2} \)

[ 2 × 3 = 6 ]

\( = > 13 + 3 \times \frac{1}{1} \)

\( = > 13 + 3\)

What is the coefficient in the expression:- 25 + 3f

Coefficient - A number which is before the variable.

According to question, 25 + 3f

Here, 25 is constant

3 is Coefficient

f is Variable

Evaluate the expression

\( {10}^{2} \div x + 4y\)

\( { = > 10}^{2} + x + 4y\)

( x = 20, y = 15 )

\( = > {10}^{2} \div 20 + 4(15)\)

\( = > 100 \div 20 + 60\)

\( = > 5 + 60\)

The p-value is option (A) 0.0500

Under the null hypothesis, the expected number of defective peaches in the sample of 400 would be:

p = 0.10 (since the null hypothesis assumes a maximum of 10% defective peaches)

n = 400

expected number of defective peaches = np = 0.10 x 400 = 40

We can then use the binomial distribution to calculate the probability of getting 50 or more defective peaches in a sample of 400, assuming that the null hypothesis is true.

P(X ≥ 50) = 1 - P(X < 50)

where X is the number of defective peaches in the sample, assuming the null hypothesis is true.

Using a binomial calculator or a statistical software, we can find:

P(X < 50) = 0.3081

Therefore,

P(X ≥ 50) = 1 - P(X < 50) = 1 - 0.3081 = 0.6919

This is the p-value of the hypothesis test. Since this is a one-tailed test , we can compare the p-value to the significance level, α. If α = 0.05, then the p-value is greater than α, which means we fail to reject the null hypothesis.

Therefore, the correct answer is A. 0.0500.

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Answer:

16373

Step-by-step explanation:

We are given the following geometric series:

3, 12, 48, 192....

And we want to find the sum of 7 terms.

The sum of n number of terms in a geometric series is \(S_n=\frac{t_1(1-r^n)}{1-r}\), where \(t_1\) is the first term, r is the common ratio, and n is the number of terms being added.

To get the common ratio, we can divide \(\frac{t_2}{t_1}\); as we already know, \(t_1\) is the first term, which is 3. \(t_2\) is the second term, which is 12.

So, the common ratio is 12/3 = 4

Since we are finding the sum of the first seven terms, n = 7.

We can plug what we know into the formula.

\(S_n=\frac{t_1(1-r^n)}{1-r}\)

\(S_7=\frac{3(1-4^7)}{1-4}\)

Plug the above into a calculator.

\(S_7 = 16383\)

So, the sum is 16383.

In general, equipotential lines do not cross each other. However, there are certain circumstances where they can cross.

Equipotential lines represent regions of equal potential in a physical system, such as electric or gravitational fields. These lines are perpendicular to the field lines and indicate points with the same potential value. Under normal conditions, equipotential lines do not intersect because each line corresponds to a unique potential value, and no two points in a system can have the same potential value.

However, there are situations where equipotential lines can cross. This can occur when there are multiple sources of potential in the system or when the potential varies in a complex manner. In such cases, the equipotential lines may intersect each other, indicating regions with different potential values coming into close proximity.

It is important to note that the crossing of equipotential lines does not violate the basic principles of potential theory. Instead, it reflects the intricate and complex nature of the underlying physical system, where multiple influences or varying potentials can lead to the crossing of equipotential lines.

Therefore, while it is uncommon for equipotential lines to cross, certain circumstances can give rise to such crossings in systems with multiple sources of potential or complex potential variations.

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Answer:

32 ounces

Step-by-step explanation:

Answer: 2

Step-by-step explanation:2/3 x 6 x 1/2

Answer:4.62x10^13

Step-by-step explanation:

Answer:

17×10^8 is greater

Step-by-step explanation:

The expontent comes first which gives you

1000000000 then you multiply that with 17 to get

1700000000

The greater number in 17 × 10⁸ and 4 × 10⁸ is,

⇒ 17 × 10⁸

To multiply means to add a number to itself a particular number of times. Multiplication can be viewed as a process of repeated addition.

We have to given that;

The numbers are,

⇒ 17 × 10⁸ and 4 × 10⁸

Now, We can write the numbers as;

⇒ 17 × 10⁸

⇒ 17,00,000,000

⇒ 4 × 10⁸

⇒ 4,00,000,000

Thus, The greater number in 17 × 10⁸ and 4 × 10⁸ is,

⇒ 17 × 10⁸

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Answer:

f(x) = 19x/5+4

Step-by-step explanation:

f(0) = 4,f(5)=19

[f(x) - 4]/[x-0] = (19-0)/(5-0)

f(x) = 19x/5+4

A> The equation for the line is y = -0.1x + 2600

B> The value of the car is $16,500

From the table, we know that for every 6000 miles added there is a decrease in the value by $600.

A> So it is the function of one order

y = kx + b

25500 = 5000k + b

24800 = 12000k + b

After equating it we get

b = 26000 and k = -0.1

Now put the value of b and k in the equation, and we get

y = -0.1x + 26000

Therefore the equation is y = -0.1 + 26000

B> When we put the value of x = 95000, we get

y = -0.1 × 95000 + 26000

  = 16500

Therefore the cost of the car is $16,500

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