i need help with this

Answer:

\( \frac{8}{10} \)

Answer:

x = 4

Step-by-step explanation:

(14x - 15)° + 139° = 180°

14x - 15 + 139 = 180

14x + 124 = 180

14x = 56

x = 4

The newborn who should the nurse see first is the one who is 4 hr old and has grunting.

What is a subconjunctival hemorrhage?

Subconjunctival hemorrhage is a bleeding under the conjunctiva that causes redness. The conjunctiva is the clear tissue covering the white part of the eye and the inside of the eyelids.

What is grunting?

Grunting refers to a sound that is made when the baby tries to exhale and ends up blocking airflow. This sound is made by a baby's nose and mouth and can be heard in both premature and full-term infants.

What is jaundiced sclera?

Jaundiced sclera is a yellow discoloration of the white part of the eye. Jaundice is a common sign of liver disease. It happens when bilirubin, a yellow pigment that is created when red blood cells break down, accumulates in the body

.What does slight tremors in both extremities indicate?

Slight tremors in both extremities indicate that the baby is experiencing tremors throughout their entire body. This could be caused by a variety of factors, including withdrawal from drugs or alcohol.

What is the first thing the nurse should do if any of these newborns are presenting symptoms?

The nurse should immediately report any of the symptoms shown by the newborns to the pediatrician. Grunting is a sign of respiratory distress, which could be due to a variety of factors such as pulmonary hypertension, meconium aspiration, and sepsis. The baby may require immediate medical attention.

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Answer: 420 kg

Step-by-step explanation: 80(the weight of each person) x5 (the ppl) = 400

400+20(the weight of tools) =420

Answer:

The line with a slope of 5/2 is perpendicular to the line with a slope of -2/5 by opposite reciprocals.

Please add a thank you! XD

The expression will be;

n = 8 x 5 / 4.

The correct option is A.

Algebraic expressions shows us how to express an unknown value using letters such as t, a, y, etc. These letters are called here as variables. An algebraic expression can be a combination of both variables and constants. Any value that is placed before and multiplied by a variable is a coefficient.

Number of friends = 4

Bags sold = 8

Amount sold = $5

The expression will be;

n = (8 x 5) / 4

to find the amount sold for each of the friends.

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A plane traveled 630 kilometers each way to Toronto and back. The trip there was with the wind. It took 7 hours. The trip back was into the wind. The trip back took 15 hours. The speed of the plane in still air is 66 km/h, and the speed of the wind is 24 km/h.

Let's use the following variables:

When the plane is flying with the wind, its effective speed is p + w. When it is flying against the wind, its effective speed is p - w.

We know that the distance to Toronto and back is 630 km each way, for a total of 1260 km. We also know that the time it took to fly to Toronto with the wind was 7 hours, and the time it took to fly back against the wind was 15 hours.

Using the formula distance = speed x time, we can set up the following equations:

630 = (p + w) x 7 (equation 1)

630 = (p - w) x 15 (equation 2)

We now have two equations with two unknowns. We can solve for either p or w in terms of the other variable. Let's solve for p in terms of w.

From equation 1, we get:

p + w = 90

From equation 2, we get:

p - w = 42

Adding the two equations, we get:

2p = 132

So,

p = 66 km/h

Now we can use either equation 1 or equation 2 to solve for w. Let's use equation 1:

630 = (66 + w) x 7

Simplifying this equation, we get:

90 = 66 + w

w = 24 km/h

Therefore, the speed of the plane in still air is 66 km/h, and the speed of the wind is 24 km/h.

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Answer:

All Real Numbers

Step-by-step explanation:

Step 1:

6x + 2x - 4 = 4 ( 2x - 1 )         Equation

Step 2:

8x - 4 = 8x - 4          Combine Like Terms

Step 3:

8x = 8x         Add 4 on both sides

Answer:

All Real Numbers

Hope This Helps :)

Answer:

Step-by-step explanation:

Use the proportion we have to find the horizontal length:

When y = 10, the value of x is:

\(\\ \sf\longmapsto y=2x\)

Put y=10 in equation

\(\\ \sf\longmapsto 10=2x{/tex]

\(\\ \sf\longmapsto x=\dfrac{10}{2}\)

\(\\ \sf\longmapsto x=5units\)

(-6,-5), (-2,3), (2,-5), (6,3) are the ordered pairs given on the graph.

In mathematics, a transformation is a process that changes the position, size, or orientation of a geometric shape or figure. The term is used in various branches of mathematics, including geometry, algebra, and calculus.

In geometry, transformations include translations, rotations, reflections, and dilations. A translation involves moving a shape a certain distance in a certain direction, while a rotation involves rotating a shape around a fixed point. A reflection involves flipping a shape over a line, and a dilation involves stretching or shrinking a shape by a given scale factor.

In algebra, transformations can involve changing the form of an equation, such as solving for a variable, transforming an equation into a different coordinate system, or solving a system of equations.

In calculus, transformations can involve changing the form of a function, such as finding its derivative or integral, or transforming a function from one coordinate system to another.

To find the ordered pairs that are on the transformations of the function, we can apply the transformations to the original point (-2, -1) to obtain the points on each transformation.

y = f(x-4) - 4: If we apply the x-4 transformation to the x-coordinate of the original point, we get -2-4 = -6. So, the point is (-6, f(-6) - 4).

y = f(x-4) + 4: The x-coordinate of the point is -6, so the point is (-6, f(-6) + 4).

y = f(x+4) - 4: If we apply the x+4 transformation to the x-coordinate of the original point, we get -2+4 = 2. So, the point is (2, f(2) - 4).

y = f(x+4) + 4: The x-coordinate of the point is 2, so the point is (2, f(2) + 4).

So, the ordered pairs that must be on each of the transformations of f(x) are:

y = f(x-4) - 4: (-6, f(-6) - 4)

y = f(x-4) + 4: (-6, f(-6) + 4)

y = f(x+4) - 4: (2, f(2) - 4)

y = f(x+4) + 4: (2, f(2) + 4)

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She needs to complete 20 laps for a total distance of 0.5 kilometer.

1 kilometers = 1000 meters

0.5 kilometers = 500 meters

Length of swimming pool = 25 meters

That means, she covers 25 meters in 1 lap.

Laps to cover 500 meters = 500/25

                                            = 20

Hence, she needs to do 20 laps.

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Answer:

RHS

Step-by-step explanation: the hypotenuse and one side of the triangle is respectively equal to the hypotenuse and one side of the other triangle

so, its rhs

Random error is an unpredictable deviation from the true value or expected outcome in a measurement or experiment.

Random error refers to the unpredictable and uncontrollable variations that occur when making measurements or conducting experiments. It is a type of error that introduces inconsistencies and fluctuations in the data, leading to discrepancies between the observed values and the actual values.

Random errors can arise from various sources, such as equipment limitations, environmental factors, or human factors like imprecise readings or variations in technique.

Unlike systematic errors, which are consistent and biased in a particular direction, random errors are characterized by their lack of pattern or regularity. They are typically caused by factors that are difficult to quantify or account for, making it challenging to eliminate them entirely.

However, by taking repeated measurements and applying statistical analysis techniques, researchers can mitigate the impact of random errors and obtain more reliable and accurate results.

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the pool contains 6,000 liters of water

Answer:

6000

Step-by-step explanation:

There's 0.001 kiloliters in a liter

1kl=1000 liters

B. No, because the Central Limit Theorem states that the sampling distribution of x is approximately normally distributed only if the sample size is large enough.

The Central Limit Theorem (CLT) is a fundamental concept in statistics that states that as the sample size increases, the sampling distribution of the sample means will approach a normal distribution. However, this is only true if certain conditions are met, one of which is having a large enough sample size.
The CLT states that the sampling distribution of x will be approximately normally distributed if the sample size is large enough (usually greater than 30). If the sample size is small, the sampling distribution may not be normally distributed. In such cases, other statistical techniques like the t-distribution should be used.
Furthermore, the CLT assumes that the population being sampled is not necessarily normally distributed, but it does require that the population has a finite variance. This means that even if the population is not normally distributed, the sampling distribution of x will still be approximately normal if the sample size is large enough.
In conclusion, the answer is B, as the Central Limit Theorem states that the sampling distribution of x is approximately normally distributed only if the sample size is large enough.

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We have two functions:

a) We have to evaluate f(-2). We replace x with -2 and calculate:

b) We have to evaluate f(-1) + g(-4):

c) In this case,the result will be in function of x:

d) In this case, the argument of f(x) is g(4). We have two ways to solve this:

1. We calculate g(4) and use the result as argument of f(x).

2. We calculate the function f(g(x)) and then use 4 as argument.

We will apply the second method this time:

e) In this case we have to compose the function, but the order is reversed: f(4) is used as argument of g(x).

We will apply the first method in this case (both methods can be used anytime):

Answer:

a. f(-2) = 8

b. f(-1) + g(-4) = -5

c. 3f(x) - g(x) = 3x² - 3x + 10

d. f(g(4)) = 200

e. g(f(4)) = 62

Answer:

where is the diagram for solving??

The domain of the function \(f(x) = \sqrt{\frac{1}{3}x + 2\) is (d) x  ≥ -6

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

\(f(x) = \sqrt{\frac{1}{3}x + 2\)

Set the radicand greater than or equal to 0

So, we have

1/3x + 2 ≥ 0

Next, we have

1/3x  ≥ -2

So, we have

x  ≥ -6

Hence, the domain of the function is (d) x  ≥ -6

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Answer:

3(p+1)²-7

Step-by-step explanation:

(5p² - 3p + 4) - (2p² - 9p + 8) =3p²-12p-4=3(p+1)²-7

Answer:

\(3p^2+6p-4\)

Step-by-step explanation:

\((5p^2-3p+4)-(2p^2-9p+8)\)

Now, combine like terms.

\((5p^2-2p^2)+(-3p+9p)+(4-8)\)

\(3p^2+6p-4\)

Answer:

Step-by-step explanation:

1/27,20/9

Using the percentage formula to solve the problem. Then the percentage of decrease from 250 to 200 is 80%.

The amount of something is expressed as if it is a part of the total which is a hundred. The ratio can be expressed as a fraction of 100. The word percent means per 100. It is represented by the symbol ‘%’.

Given

The percent of decreases from 250 to 200.

The percentage is given by the formula.

\( \rm Percentage = \dfrac{Value}{Total \ value}*100 \)

We have

Value = 200

Total value = 250

Then the percentage will be

\( \rm Percentage = \dfrac{200}{250}*100 \\\\ Percentage =0.8*100 \\\\ Percentage = 80 \% \)

Thus, the percentage of decrease from 250 to 200 is 80%.

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Calories were burned for each minute of jogging is 10 calories and for each minute of cycling is 10 calories.

Two or more algebraic equations that share variables, such as x and y, are referred to be simultaneous equations.

When the equations are solved simultaneously, they are known as simultaneous equations.

Jogging be considered as x

Cycling be considered as y

Shelly spent 40 minutes jogging and 22 minutes cycling, and burned 620 calories to write this in equation we get,

40x + 22y = 620

Shelly swapped times,

22 minutes of jogging and 40 minutes of cycling and burned the same number of calories,

22x + 40y = 620

By multiplying two equation we get,

multiply equation 1 by 22 and equation 2 by 40 we get,

880x + 484y = 13640

880x + 1600y = 24800

Now subtracting equation 1 from 2 we get,

1116y = 11160

y = 11160/1116

y = 10

Therefore, putting value of y in equation 1 we get,

880x + 484(10) = 13640

880x = 13640 - 4840

x = 8800/880

x = 10

Therefore, calories were burned for each minute of jogging is 10 calories and for each minute of cycling is 10 calories.

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W

a system can only be a function if there are no more than one value of y for each value of x. if a value of x is repeated twice or more in a table, it means it is not a function.

The balloons reached the same altitude after 30 seconds.

The unitary technique involves first determining the value of a single unit, followed by the value of the necessary number of units. 

Let's say you go to the store to buy six apples.

You are informed by the shopkeeper that he is offering 10 apples for Rs 100. In this instance, the value and the units are the price of the apples. Recognizing the units and values is crucial when using the unitary technique to a problem.

Always write the items that need to be computed on the right side and the things that are known on the left side to simplify things.

We are aware of the quantity of apples and the amount of money in the aforesaid problem.

According to our question-

Purple balloon altitude = 2.5 t+0 m = 2.5 t

Starting at a height of 15 meters above sea level, the gold balloon rose 2 meters every second.

Altitude of the gold balloon: 2 t + 15 m

Hence , The balloons reached the same altitude after 30 seconds.

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As a result, you completed five problems. As a result, the school only uses a quarter of a 24-hour day for classes.

A number can be expressed as a fraction of 100 using the word "percent." It is simpler to compare and comprehend various amounts when we express a number using percentages as a chunk or fraction of 100.

Here,

1. We can use the following calculation to determine what percentage of 2,000 is equal to 204:

% is equal to (part/whole) x 100%.

The "part" in this case is 204, but the "total" is 2,000. We obtain the following formula by substituting these values: percent = (204/2000) x 100%

With the fraction simplified, we get: percent = 10.2%

204 represents 10.2% of 2,000, so.

2. Using the following calculation, we can determine what percentage of 92 is equal to 23:

% is equal to (part/whole) x 100%.

The "part" in this case is 23, whereas the "whole" is 92. When we enter these values into the formula, we obtain:

percent is equal to 23% x 100%.

When we simplify the fraction, we obtain:

% equals 25%

23 is therefore 25% of 92.

3. Using the formula shown below, we can determine what number is 20% of 55:

number = entire x percent/100

The "percent" in this case is 20, and the "whole" is 55. When we enter these values into the formula, we obtain:

20 x 55/100 is the number.

The result of simplifying the formula is: number = 11.

So, 20% of 55 equals 11.

4. The following formula can be used to determine the value of 85% of 20:

number = entire x percent/100

The "percent" in this case is 85, and the "whole" is 20. When we enter these values into the formula, we obtain:

number = 20/100 x 85

The result of simplifying the formula is: number = 17.

So, 85% of 20 equals 17.

5. The following calculation can be used to determine what percentage of 25 is 5:

% is equal to (part/whole) x 100%.

5 is the "part" and 25 is the "whole" in this case. When we enter these values into the formula, we obtain:

% = (5/25) x 100%

When we simplify the fraction, we obtain:

% equals 20%

5 represents 20% of 25, so.

6. Using the following formula, we can determine what 20% of 20 is:

number = entire x percent/100

The "percent" and "whole" amounts in this case are both 20. We obtain the following formula by substituting these values: number = 20 x 20/100

The result of simplifying the formula is: number = 4.

So, 20% of 20 equals 4.

7. The following formula can be used to determine how many issues you have solved if you have completed 20% of 25:

number = entire x percent/100

The "percent" in this instance is 20 and the "whole" is 25. We obtain the following formula by substituting these values: number = 20 x 25/100

The result of simplifying the formula is: number = 5.

As a result, you completed five problems.

8. We may use the following calculation to determine what number is 36 times 72% of that number:

number equals part/percentage times 100%.

The "part" in this case is 36, while the "percent" is 72. When we enter these values into the formula, we obtain:

number = 100% x 36/72

When we simplify the fraction, we obtain:

amount = 50

36 is therefore 72% of 50.

9. There are 24 hours in a day, therefore if Christa attends school for 6 of those, the school is in session for 6/24, or 1/4 of the day.

Use the following formula to determine the percentage:

% is equal to (part/whole) x 100%.

Since we are calculating the percentage of a full day, the "part" in this case is 1/4 and the "whole" is 1. We obtain the following formula by substituting these values: percent = (1/4) x 100%

The phrase can be simplified to: percent = 25%.

As a result, the school only uses a quarter of a 24-hour day for classes.

10. Using the following formula, we can determine the original price of the sweater if the sale price is $30, which is 75% of the original price:

original cost divided by percentage of sale

Here, the discount is $75 and the selling price is $30. When we enter these values into the formula, we obtain:

Original cost = $30 divided by 0.75

When we condense the phrase, we get:

initial cost is $40.

Thus, the sweater cost $40 when it was first purchased.

11. We can use the following formula to get the number of female students in the class:

% of girls x the total number of students equals the number of girls.

The percentage of female students in this class is 40%, or 0.4 to the decimal place, with a total of 25 students. When we enter these values into the formula, we obtain:

Girl count = 0.4 x 25

When we condense the phrase, we get:

There are 10 girls.

There are ten girls in the class as a result.

12. Using the formula below, we can determine what number 28 is 35% of:

number equals part/percentage times 100%.

The "part" in this case is 28 and the "percent" is 35. We obtain the following formula by substituting these values: number = 28/35 x 100%

With the fraction simplified, we obtain: number = 80

28 is therefore 35% of 80.

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Answer:

(1) Pr(none)= .71

(2) Pr(exactly 2)= .0154

(3) Pr(at least 1)= .29

(4) Pr(exactly 1)= .271

(5) Pr(exactly 3)= .000275

(6) Pr(at most 2)= .99

Bolded answers might be wrong, I am a bit unsure on those ones

Answer: D. A time line showing when certain cars were built.

Step-by-step explanation:

Answer:

1:5

Step-by-step explanation:

If you simplify ( I think that's what you mean by "means")

10 is divisible by 2

2=1

10=5

1:5

The three different dilution methods that will accomplish a dilution with a 1:1000 dilution factor are one-step dilution, two-step dilution and three-step dilution.

1. One-step dilution: Take 1 mL of the original solution and add 999 mL of the diluent (water, buffer, etc.) to get a 1:1000 dilution.

2. Two-step dilution: Take 1 mL of the original solution and add it to 9 mL of the diluent to get a 1:10 dilution. Then, take 1 mL of the 1:10 dilution and add 9 mL of the diluent to get a 1:100 dilution. Repeat this step once more to get a 1:1000 dilution.

3. Three-step dilution: Take 1 mL of the original solution and add it to 4 mL of the diluent to get a 1:5 dilution. Then, take 1 mL of the 1:5 dilution and add it to 4 mL of the diluent to get a 1:25 dilution. Repeat this step twice more to get a 1:125 dilution and then a 1:625 dilution. Finally, take 1 mL of the 1:625 dilution and add it to 375 mL of the diluent to get a 1:1000 dilution.

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Answer:

42.57 inch

Step-by-step explanation:

Calculate area of square and area of 4 triangles and sum them up to get.