a decimal in which one or more digits repeat infinitely

In the current year, with an increased prevalence of yellow fever due to an outbreak in the region, the positive predictive value (PPV) of the screening test for yellow fever is expected to increase.

Positive predictive value (PPV) is the proportion of positive test results that are true positives. It is influenced by the prevalence of the condition in the population being tested. In this case, the prevalence of yellow fever has increased due to the outbreak, which means there are more true positives in the population.

Given that the sensitivity and specificity of the screening test remain the same, an increase in the prevalence of yellow fever would result in a higher PPV. This is because the probability of a positive test result correctly indicating the presence of yellow fever is higher when there are more cases of the disease in the population.

It's important to note that PPV is affected by both sensitivity and specificity, as well as the prevalence of the condition. In this scenario, the increase in prevalence outweighs the impact of the test's sensitivity and specificity, leading to an expected increase in the positive predictive value of the screening test for yellow fever during the outbreak.

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Answer:

b is the answer

Step-by-step explanation:

because I'm that bit still that bit will for ever be that bit

the number of arrangements if a and m come in a unit is 720.

What is the combination?

A combination is a choice made in mathematics from a group of different elements when the order of the choices is irrelevant (unlike permutations). For instance, if three fruits, such as an apple, an orange, and a pear, are supplied, there are three possible pairings of the two: an apple and a pear. Formally speaking, a k-combination of a set S is a subset of S's k unique components. In other words, two combinations are the same if and only if they have the same members. (It is not important how the individuals in each set are arranged.) The number of k-combinations for a set with n components

The word is the mailbox.

So it contains 7 words and the total number of arrangements will be 7! = 5040.

And if a and m comes in a unit then: the number of the arrangements will be 6! = 720.

Hence the number of arrangements if a and m come in a unit is 720.

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Answer:

See explanation for example.

Step-by-step explanation:

Say we want to convert 567 to binary aka base 2.

Look for highest power of 2 that will go into 567.

2^x will get us close to 567.

You could solve 2^x=567 in take the whole part of the number.

x=log_2 (567)=approximately 9.1

Of course you don't have to use logarithms here. You could have just found 2^0,2^1,...,2^9. You could have kept increasing the power on 2 until you exceeded the number,567, you wanted and use the power of 2 just before that number, 567.

2^9=512

So what's left 567-512=55

2^6=64 so that's too much, so 2^5=32 is what we will go with next.

55-32=23

2^4=16 and now 23-16=7 is left

2^2=4 so 7-4=3 is left

2^1=2 so 3-2=1 is left

2^0=1 and there is nothing left over

So we had 1, 2^9

No 2^8,2^7,2^6

We had 1, 2^5

We had 1, 2^4

We had no 2^3

We had 1, 2^2

We had 1, 2^1

We had 1, 2^0

The binary aka base 2 representation of 567 is 1000110111.

The correct application of the quadratic formula y = 2x² - 5x + 18 is \(x = \frac{5 \pm \sqrt{(-5)^2 - 4(2)(18)}}{2 * 2}\)

Given that

y = 2x² - 5x + 18

The quadratic formula is used to find the solutions or roots of a quadratic equation of the form ax² + bx + c = 0, where a, b, and c are constants.

In this case,

a = 2, b = -5 and c = 18

The quadratic formula is

\(x = \frac{-b \pm \sqrt{b^2 - 4ac}}{2a}\)

Substitute the known values in the above equation, so, we have the following representation

\(x = \frac{5 \pm \sqrt{(-5)^2 - 4(2)(18)}}{2 * 2}\)

Hence, the application is \(x = \frac{5 \pm \sqrt{(-5)^2 - 4(2)(18)}}{2 * 2}\)

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Answer:

47 - 6√10

Step-by-step explanation:

Area of a square of side a = a²

Here a = √2 -3√5

Area A = a² = (√2 -3√5)²

We know that (a - b)² = a² -2ab +b²

So

A = (√2 -3√5)²

= (√2)² - 2(√2)(3√5) + (3√5)²

(√2)² = 2   because (√a)² = a

(3√5)² = 3² x (√5)² = 9 x 5 = 45

2(√2)(3√5) = 2 (√2 · 3 · √5)

= 2 x 3 √2 √5

√2√5 = √10

2 x 3 √2 √5 = 2 · 3 · √10 = 6√10

Therefore area = 2 - 6√10 + 45

= 47 - 6√10

(5,1)

Explanation

Step 1

to find x and y , is to find the values such that

then, for example

x=5

(5,1)

then, replacing we can verify

I hope this helps you

It is divided into two sections, a 57-inch piece. The length of one component is double that of the other. The length of the shortest piece wound be 29.

Given that,

It is divided into two sections, a 57-inch pipe. The length of one component is double that of the other.

We have to calculate the shorter piece's length.

Let us take the length of shortest piece as x

The length of longest piece wound be 2x

We can write as,

x+2x=57

3x=57

x=57/3

x=29

The length of largest piece will be 2×29=58

Therefore, The length of the shortest piece wound be 29.

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Answer: (4x5) / 10 - 5 = 5

Step-by-step explanation: 20/10 = 10

10-5 = 5

The ordered pair that is the solution of the given system of inequalities is (2, -2)

A relationship between two expressions or values that are not equal to each other is called inequality.

Given is a system of inequalities, y < -x and 2x+y > 2, we need to determine solution set of the given system of inequalities,

The inequalities are,

y < -x....(i)

2x+y > 2

y < 2-2x...(ii)

To find the ordered pair, put y = -x in equation Eq(ii) and replace < by =

-x = 2 - 2x

x = 2

y = -2

Therefore, the ordered pair, is (2, -2) {look at the graph attached}

Hence, the ordered pair that is the solution of the given system of inequalities is (2, -2)

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For the transformation at -78 °C, appropriate reagents include lithium aluminum hydride (LiAlH4) and diethyl ether.

At -78 °C, certain chemical reactions require the use of specific reagents to achieve the desired transformation. One commonly used reagent is lithium aluminum hydride (LiAlH4), which acts as a strong reducing agent. It is capable of reducing various functional groups, such as carbonyl compounds, to their corresponding alcohols.

Diethyl ether is typically employed as a solvent to facilitate the reaction and ensure efficient mixing of the reactants. Researchers often utilize this low temperature for reactions involving sensitive or reactive intermediates, as it helps control the reaction and prevent unwanted side reactions.

The use of LiAlH4 and diethyl ether provides a reliable combination for achieving the desired transformation at this temperature, enabling chemists to manipulate and modify compounds in a controlled manner.

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9514 1404 393

Answer:

  y = -7 +3x

Step-by-step explanation:

Literal equations are solved the same way numeric equations are solved. This is a 2-step linear equation in y. Do the two steps.

  6x -2y = 14 . . . . . . given

  -2y = 14 -6x . . . . . .subtract the term not containing y (step 1)

  y = -7 +3x . . . . . . . divide by the coefficient of y (step 2)

The probability of making a Type I error is equal to 1 - 0.99 = 0.01, which is the same as the significance level.

To answer this question, we need to understand the concepts of statistical power and Type I error. Statistical power refers to the probability of correctly rejecting the null hypothesis when it is false. In other words, it is the ability of a statistical test to detect a true effect.

On the other hand, a Type I error occurs when we reject the null hypothesis even though it is true. This is also known as a false positive.

The investigator has indicated that the power of his test is 0.87 at a significance level of 1%. This means that if there is a true effect in the population, the test has an 87% chance of correctly detecting it. However, we are interested in the probability of making a Type I error, which is the probability of rejecting the null hypothesis when it is true.

To calculate the probability of making a Type I error, we need to use the complement of the significance level, which is 1 - 0.01 = 0.99. This represents the probability of not rejecting the null hypothesis when it is true. Therefore, the probability of making a Type I error is equal to 1 - 0.99 = 0.01, which is the same as the significance level.

In this case, the investigator has used a significance level of 1%, which means that there is a 1% chance of making a Type I error. This is a relatively low probability, which indicates that the investigator is being cautious in rejecting the null hypothesis.

However, it is important to note that the probability of making a Type I error depends on the significance level, the sample size, and the effect size. Therefore, it is important to consider these factors when interpreting the results of a statistical test.

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Answer:

There's no A so I'm going to assume you meant X

X = 23

Step-by-step explanation:

X is equal to 23, because 23 - 18 = 5

or 5 + 18 = 23

The correct answer is not listed among the given options. None of the listed options is a CSS3 2D transformation function that resizes an object by a factor of x horizontally.

Here are brief explanations of the given options:

a. scaleY(y) - This function scales an object vertically by a factor of y.

b. rotate(angleY) - This function rotates an object around the y-axis by the specified angle.

c. translateY(offY) - This function translates an object vertically by the specified offset.

d. skewY(angleY) - This function skews an object along the y-axis by the specified angle.

To resize an object horizontally by a factor of x, you can use the scaleX(x) function. This function scales an object horizontally by a factor of x.

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Answer:

x=30

Step-by-step explanation:

dive 3x both sides then u should get 10

Answer:

10.8 shots

Step-by-step explanation:

Owen made 60% of the shots he made, and he made 18 shots in total. Therefore, we would take 60% of 18. The answer we get is 10.8, but we can't have a part of a shot.

Step-by-step explanation:

v = u + at

v-u = at

a = (v -u)/t

When t = 4, u=10, v=50

a = (50-10)/4

a= 40/4

a = 10

Answer:

i think it is the second one y=35x

Step-by-step explanation:

when we put for example 2  in place of x it will be

it will y=35*2

y=70 so i believe it is the second one

i am soo sorry if it was wrong

Answer:

1/3

Step-by-step explanation:

You would use the slope formula to solve this!

(-5, 3) and (4, 6)

m= \(\frac{6-3}{4+5}\) = \(\frac{3}{9}\) = \(\frac{1}{3}\)

I hope this helps!!

Answer:

$16200

Step-by-step explanation:

24 times 350=8400

8400+7000+800

Answer:

Step-by-step explanation:

5). ∠2 ≅ ∠6

   By corresponding angles theorem both the angles will be congruent.

6). m∠3 + m∠5 = 180°

  If two lines are parallel and a transverse cut these parallel lines, pair of consecutive angles in one side of the transverse are supplementary.

  [Consecutive interior angles theorem]  

7). Given : m∠1 = 71°

  Therefore, m∠1 = m∠5 = 71°  

   By corresponding angles theorem ∠1 and ∠5 are corresponding   angles.

The classification of each pair of angles and their measures as well as the postulate or theorem that justifies it have been detailed below.

5) From the given image, we see that;

Two parallel lines are cut by a transversal, then from corresponding angles theorem we can say that the pairs of corresponding angles are congruent. ∠2 and ∠6 are congruent.

Thus;

∠2 ≅ ∠6

6) We see that m∠3 and m∠5 are a pair of consecutive angles on one side of the transverse line.

Thus, we can say from Consecutive interior angles theorem that m∠3 and m∠5 are supplementary. This means they sum up to 180°. Thus;

m∠3 + m∠5 = 180°

7) We are told that m∠1 = 71°

From corresponding angles definition as defined earlier, we can say that; m∠1 = m∠5 are corresponding angles and as such they are congruent. Thus;

m∠1 = m∠5 = 71°

Thus; m∠5 = 71°

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Answer:

x = 10, y = 20

Step-by-step explanation:

Because two sides of the rightmost triangle are congruent, the base angles would follow suit. This means 5x - 10 = 3x + 10. Simplifying this we get:

2x = 20

x = 10

Next, in the other triangle, we can say the same thing, the base angles would be congruent. From this we can say that the other base angle is 4y. Using the exterior angle theorem, we can say that the two angles with x terms add to 4y. This means 3x + 10 + 5x - 10 is 4y. We already know x is 10, so substituting that in we get:

80 = 4y

y = 20

Answer:

4. 21

5. 45

6. 22

Step-by-step explanation:

4. 6 + (2^4) - 1

   6 + (16) - 1

   22 - 1 = 21

5. (4 * 3²) + (18 - 9)

   (4 × 9) + (9)

   (36) + (9) = 45

6. 16 + (5² - 7) ÷ 3

PEMDAS tells us to do what's in Parentheses first

16 + ( 25 - 7) ÷ 3

16 + (18/3)

16 + 6 = 22

Answer:

hey im the best person

Step-by-step explanation:

and i know every single question the answer is vic

Answer:

∠ C = 44°

Step-by-step explanation:

The sum of the 3 angles in a triangle = 180°

Sum the 3 angles and equate to 180, that is

4x - 16 +6x - 1 + 4x - 13 = 180°

14x - 30 = 180 ( add 30 to both sides )

14x = 210 ( divide both sides by 14 )

x = 15

Thus

∠ C = 4x - 16 = 4(15) - 16 = 60 - 16 = 44°

Here's a more detailed explanation: To determine if a graph is a function, you can use the vertical line test. The vertical line test states that if you can draw a vertical line that intersects the graph in more than one place, then the graph is not a function.

Determining whether a graph represents a function is an important concept in mathematics, especially in algebra and calculus. A function is a set of ordered pairs where each input is associated with exactly one output.

So, if you take a ruler or a straight edge and place it vertically on the graph, and it intersects the graph in two or more points, then the graph is not a function. This is because if two points in the graph have the same x-value, they must have different y-values, since functions can only have one output for each input.

On the other hand, if you place a vertical line anywhere on the graph and it intersects the graph in only one point, then the graph is a function.

It's also important to remember that a function must also pass the horizontal line test, which means that no horizontal line can intersect the graph in more than one place.

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Answer:

Step-by-step explanation:

The slope of the line would be two. When you put the coordinates in the point-slope formula, it would be 5 - 3 over 4 - 0, which equals 2. Therefore, the slope is two.

Answer:6/16 or 3/8

Step-by-step explanation:

I did it

Answer: 3/16

Step-by-step explanation: