help meeeeeeeeeeee pleaseee rnnnnn!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

A ratio displays the multiplicity of two numbers, the total number of employees is 187.

The ratio can be defined as the number that can be used to represent one quantity as a percentage of another. Only when the two numbers in a ratio have the same unit can they be compared.

Ratios contrast two figures by ordinarily dividing them. A/B would be your formula if you were going to compare one data point (A) to another data point (B). This indicates that you are multiplying data A by data B.

So the ratios are-

men : women

4:7

x:119

Now, relationship between 7and 119 is -

men : women

4:7

7*17

x:119

Now,

men : women

4:7

4*17 :7*17

68:119

Total number

68+119= 187

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The probability that a pupil uses neither pool nor gym is 11/70

Probability is the likelihood that an event will happen. This can range from an event being impossible to some likelihood to being absolutely certain. In math terms, probability is on a scale from 0 to 1. Zero means the event is impossible, like rolling a seven on a die that only has digits from 1 to 6.

Number of pupil that can use pool and gym = 28

Number of people that can use pool = 48

Number of people that can use gym = 39

Number of people that can use pool only = 48 - 28 which is 20

Number of people that can use gym only = 39 - 28 = 11

Total number of persons that can use either pool, gym or both = 20 + 11 + 28 which is 59

Number of people that cannot use either or both of the facilities = 70 - 59 which is 11.

Probability = required outcome / possible outcome

Required outcome = 11

possible outcome = 70

Probability = 11/70

In conclusion, the probability that a pupil uses neither swimming pool nor gym is 11/70

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Answer:

C. 37

Step-by-step explanation:

2 + (7x5)

= 2 + (35)

= 2 + 25

= 37

Answer: 37

Step-by-step explanation:

Following PEMDAS* we then get 2+35. Adding that we will get 37.

*(Parenthesis, exponents, multiplication, division, addition, subtraction )

Answer:

256

Step-by-step explanation:

area of square= side × side

64÷4= one side

16= side

16 × 16

=256

Cybil would be financially better off by $ 3000 to have the vehicle restored.

Cybill is either going to sell the car for $ 10000

Or he can have it restored and then sell it for 22000

The restoration will cost him $9000

Incremental revenue = selling price after restoration - selling price without restoration

Incremental revenue = $ 22000 - 10000 = $ 12000

Incremental costs = 9000

Incremental income = 12000 - 9000 = 3000

Therefore, Cybil would be financially better off by $ 3000 to have the vehicle restored.

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The weightage is given to the most recent values in the time series.

SES is a simple forecasting technique that is easy to implement and can be used with data that has a consistent trend. However, it is not well suited for data that is highly volatile or has a lot of noise.

One of the simplest forecasting techniques is single exponential smoothing (SES). It is a weighted average of past time-series values, where the weightage is given to the most recent values in the time series. This technique is easy to implement and can be used with data that has a consistent trend. However, it is not well suited for data that is highly volatile or has a lot of noise.

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The probability that x is between 420 and 460 is 0.25778

The sum of independent normally distributed random variables is normally distributed with mean equal to the sum of the individual means and variance equal to the sum of the individual variances.

so, the mean would be,

μ = 100 + 150 + 200

μ = 450

and standard deviation would be,

σ = 15+ 20 + 25

σ = 60

We need to find the probability that x is between 420 and 460.

P(420 < x < 460)

= P( 420 -  μ < x -  μ < 460 -  μ)

= P((420 -  μ)/σ < (x - μ)/σ < (460 -  μ)/σ)

= P((420 -  450)/60 < Z < (460 -  450)/60)

= P (-1/2 < Z < 1/6)

= P(-0.5<x<0.167)

= 0.25778

Therefore, the probability is P(420 < x < 460) = 0.25778

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5 types of angles are formed by the lines cut by the transversal which are mainly corresponding angles, alternate interior angles, alternate exterior angles, co-interior angles, and consecutive interior angles.

Each pair of internal angles on the same side of a transversal that meets two parallel lines is supplementary, or they add up to 180°. The opposing angles that result from the junction of two lines are known as vertical angles or vertically opposed angles.

In geometry, a transversal line intersects two lines in the same plane at two different locations. In the Euclidean plane, transversals help establish the parallelism of two or more other straight lines.

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If 17 is the middlie number in a series when it is arranged either in ascending or decending order, then 17 is the median number

The median is the middle number in an ordered data set. The mean is the sum of all values divided by the total number of values.

Arrange the data points from smallest to largest or from largest to smallest. If the number of data points is odd, the median is exactly the middle data point in the list. If the number of data points is even, then the median is the average of the two middle data points in the list.

Therefore, if 17 is the middlie number in a series when it is arranged either in ascending or decending order, then 17 is the median number

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Answer: direct variation, slope-intercept form, standard form and point-slope form.

Step-by-step explanation:

What are the types of linear functions?

There are three major forms of linear equations: point-slope form, standard form, and slope-intercept form.

What are basic linear functions?

Linear functions are those whose graph is a straight line. A linear function has the following form. y = f(x) = a + bx. A linear function has one independent variable and one dependent variable. The independent variable is x and the dependent variable is y.

The ordered pair (4, 0) makes both inequalities true.

What is inequality?

An inequality in mathematics depicts the connection between two values in an algebraic statement that are not equal. One of the two variables on the two sides of the inequality may be greater than, greater than or equal to, less than, or less than or equal to another value, according to inequality signals.

In inequality, we compare two values.

y < 3x -1 …. (1)

y > -x + 4 …. (2)

Take the point (4, 0)

Consider inequality (1)

y < 3x-1

0 < 3 (4) - 1

0 < 12 - 1

0 < 11 which is true

In inequality (2)

y ≥ - x + 4

0 ≥ -4 + 4

0 ≥ 0 …. Which is true

Therefore, the ordered pair (4, 0) makes both inequalities true.

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Question:

Which ordered pair makes both inequalities true? y < 3x – 1 y > –x + 4

(4,0) (1,2) (0,4) (2,1)

Answer:

A its A

Step-by-step explanation:

The remainder when x² + 2x + 1 is divided by x + 1 is 0.

Given,

The polynomial functions; x² + 2x + 1 and x + 1

We have to find the remainder when x² + 2x + 1 is divided by x + 1

Remainder theorem;-

Remainder Theorem is a method for dividing polynomials according to Euclidean geometry. This theorem states that when a polynomial P(x) is divided by a factor (x - a), which isn't really an element of the polynomial, a smaller polynomial is produced along with a remainder.

Here,

p(x) =  x² + 2x + 1

g(x) = x + 1

Now,

x + 1 = 0

x = -1

Then,

p(-1) =  -1² + 2 x -1 + 1 = 1 - 2 + 1 = - 1 + 1 = 0

That is,

The remainder when x² + 2x + 1 is divided by x + 1 is 0.

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Answer:

13: 22 < x < 74

14: Side DF, Side DE, side EF

Step-by-step explanation:

So for the first one, you add 26 + 48 which equals 74. Then, you subtract 48 - 26 which equals 22. So the range is 22 < x < 74.

For the second one, the angle corresponds to the side across from it. The smallest side will be across from the smallest angle. So, the order is side DF, side DE , and then side EF.

Hope this helps!!! :)

Answer:

2400 cubic inches

Step-by-step explanation:

40 multiply by 30 multiply by 20

= 2400 cubic inches

Answer: 24,000 in³

Step-by-step explanation:

Formula for volume: l * w * h

40 * 30 * 20

= 24,000

Hope this helps!!! :)

Answer:

Step-by-step explanation:

You have two figures showing expressions for a midline length and the parallel base length. In one case, you want the length of the midline (PQ). In the other case, you want the value of the variable (x).

A midline is the line segment that joins the midpoints of two sides of a triangle. It is parallel to the base, and half the length of the base.

  2PQ = ON

  2(5x -26) = 9x -37 . . . . . use the given expressions

  10x -52 = 9x -37 . . . . . simplify

  x = 15 . . . . . . . . . . . . . add 52 -9x

  PQ = 5(15) -26 = 49

The length of PQ is 49 units.

  2MN = KL

  2(2x+7) = 7x -16 . . . . . . use given expressions

  4x +14 = 7x -16 . . . . . . . . simplify

  30 = 3x . . . . . . . . . . . . . . add 16 -4x

  10 = x . . . . . . . . divide by 3

The value of x is 10.

The physiological responses that occur in response to low blood levels of calcium are bones release calcium into the blood, the kidneys retain more calcium, intestines absorb more calcium

Calcium is a chemical element which plays an important role in building and maintaining strong bones. It also plays other significant roles in blood clotting, muscles contraction, and normal heart rhythms regulation, and nerve functions. Calcium ions are essential in several cellular processes and the body tightly regulates calcium levels within a narrow physiological range as relatively small changes can have dramatic effects, including heart failure, muscle and brain dysfunction, and even death. Blood calcium levels are regulated by parathyroid hormone (PTH), produced by the parathyroid glands. PTH is released in response to low blood calcium levels and improves calcium levels by targeting the skeleton, the kidneys, and the intestine. The physiological responses that occur in response to low blood levels of calcium are bones release calcium into the blood, the kidneys retain more calcium, intestines absorb more calcium

Note: The question is incomplete as it is missing options which are a) liver releases calcium into the blood. b) bones release calcium into the blood. c) kidneys retain more calcium. d) intestines absorb more calcium.

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The probability of selecting a three and then selecting a five is 0.6%

Probability is a branch of mathematics that deals with numerical descriptions of how likely an event or statement is to occur.

Probability is computed by dividing the number of possible outcomes by the total number of possible outcomes. Probability and odds are two distinct ideas. Odds are calculated by dividing the probability that something will occur by the probability that it will not occur.

Because there are four threes in the deck, the probability of picking one is 4/52.

Then, for the second draw, there are four fives as well, but because you already chose a card and did not replace it, there are only 51 cards in the deck, therefore the likelihood of drawing a five is 4/51.

The product of the two individual probabilities is the likelihood of both events occurring.

So,

(4/52) × (4/51)= 16/2652

= 4/663

= 0.6%

Hence,  the probability of selecting a three and then selecting a five is 0.6%

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As per the question, for finding the 2 square root to estimate 10 will come out to be as [tex]\sqrt{10} = 3.162[/tex]

In order to find [tex]\sqrt{10}[/tex], pick a perfect square less than 10 and another perfect square greater than 10. [tex]\sqrt{9}[/tex] = 3. [tex]\sqrt{16}[/tex] = 4, so. [tex]\sqrt{10}[/tex] is therefore far closer to [tex]\sqrt{9}[/tex] than the projected number. The outcome of multiplying an integer by itself is referred to as the number's square root. The square root of a number can be found by looking for a number that, when squared, yields the original value. The square value of a number is acquired by multiplying it by itself. The square root of a number x is a number y such that [tex]y^{2}[/tex] = x or a number y whose square is x.

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The rectangular equation is y = x² - 8.

Given;

The rectangular equation to sketch the plane curve represented by the given parametric equations,

x = √3t

y = 3t - 8              -∞ < t < ∞

Now,

3t = x²

t = x²/3

Now,

y = x² - 8

Therefore, the rectangular equation is y = x² - 8

Where, x ≥ 0

And the graph is a curve as shown below,

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The given inequality is simplified to t+1≥ t-8.

The given inequality is 3t-2(t-1) ≥ 5t-4(2 + t).

Inequalities are the mathematical expressions in which both sides are not equal. In inequality, unlike in equations, we compare two values. The equal sign in between is replaced by less than (or less than or equal to), greater than (or greater than or equal to), or not equal to sign.

The given inequality can be solved as follows:

3t-2(t-1) ≥ 5t-4(2+t)

⇒ 3t-2t+1 ≥ 5t-8-4t

⇒ t+1≥ t-8

Therefore, the given inequality is simplified to t+1≥ t-8.

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If the base of the exponent is 1, the function remains constant. The graph becomes a horizontal line. The function fails if the base of the exponent is less than 1 and greater than 0.

The exponential function in base b is defined by

y = bˣ where b > 0 and b is a constant.

The independent variable is x and the range is real.

For example, f(x) = 3ˣ is exponential function.

Exponential Base

If f(x) = bˣ , we call "b" the exponential base. Base

must always be positive.

exponent base is 1

if f(x) is exponential with base 1 i.e. if f(x)=1ˣ

n,m∈N then f (n/m) = 1ⁿ/ᵐ= m√1ⁿ = 1

In fact, for any real number x , 1ˣ = 1, f(x)=1ˣ is a constant function f(x) = 1. For this reason, we usually don't talk much about exponential functions with base equal to 1.

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The vertices of the triangle after the reflection over y = -x are [tex]\left[\begin{array}{ccc}3&-3&-3&-3&-6&-3\end{array}\right][/tex]

The vertices of the triangle are given as

[tex]\left[\begin{array}{ccc}3&6&3&-3&3&3\end{array}\right][/tex]

The transformation rule is given as

Reflection over the line y = -x

Mathematically, this rule is represented as

(x, y) → (-y, -x)

This means that we negate the x-coordinates and the y-coordinates, and then swap the x and the y coordinates

When this rule is applied, we have

[tex]\left[\begin{array}{ccc}3&-3&-3&-3&-6&-3\end{array}\right][/tex]

Hence, the reflection would produce [tex]\left[\begin{array}{ccc}3&-3&-3&-3&-6&-3\end{array}\right][/tex]

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The percentage decrease in the number of employees would be near around 18%.

What is the percentage decrease?

The difference between the starting and ending values is expressed as a percentage decrease. It displays a percentage loss of value from the original, regardless of unit. The decrease is equal to the original amount minus the final amount.

Percentage Decrease=(Starting Value−Final Value) / |Starting Value|×100

Given data:

The initial number of employees = 116

The final number of employees = 95

Percentage decrease = [tex]\frac{116-95}{116}*100\\[/tex]

                                     = 18.1034% decrease

                                     ≈ 18% decrease

Hence, the percentage decrease in the number of employees would be near around 18%.

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The ph of a buffer that contains 0.41 m propanoic acid and 0.22 m propanoate is 5.505.

In the given question we have to calculate the ph of a buffer.

The ph of buffer contains 0.41 m propanoic acid and 0.22 m propanoate.

The value of ka for propanoic acid is 1.3 x 10^{-5}.

Since, we have to calculate the pH after 0.16 mole of solid NaOH is added to 1.00 L.

Moles of excess NaOH = 0.16-0.041 = 0.119

pH = P(ka)+log(salt/acid)

pH = -log(1.3×10^{-5})+log[(0.88+0.16)/(0.41-0.16)

pH = 4.886+log(1.04/0.25)

pH = 4.886+0.619

pH = 5.505

Hence, the ph of a buffer that contains 0.41 m propanoic acid and 0.22 m propanoate is 5.505.

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The mean boxes that were sold is 16 when Alice wants to know the average number of candy boxes she sells at the baseball game.

Given that,

Alice wants to know the average number of candy boxes she sells at the baseball game. Below is a list of the scores from the games so far. 16,14,14, 21,15.

We have to find the mean boxes that were sold.

We know that,

The mean of the number is

16,14,14, 21,15

Mean = 16+14+14+21+15/5

Mean = 80/15

Mean=16

Therefore, The mean boxes that were sold is 16 when Alice wants to know the average number of candy boxes she sells at the baseball game.

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Ted used a balance scale to weigh a 2.233 g sample of copper sulfate,  the most accurate measurements made by Ted is 2.2 g.

Accuracy is a measure of how close you are the true value.  

In this case,Ted used a balance scale to weigh a 2.233 g sample of copper sulfate using only 2 significant figures, that would be the value of 2.2 g

Precision is how close a test result when repeated. In precision, the actual value is not examined. You only need to look at the result.The standard deviation should be small.

Accuracy is how close the test results to the standard known value. The standard deviation might be big.

Ted used a balance scale to weigh a 2.233 g sample of copper sulfate,  the most accurate measurements made by Ted is 2.2 g.

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The slope-intercept form of the equation of the line through the given point and parallel to the given line is y=x−14.

In the given question we have to write the slope-intercept form of the equation of the line through the given point and parallel to the given line.

The given points are (–2, –16).

The given equation of line is y = x – 5.

Standard equation of line is y=mx+c.

After comparing to the standard equation.

Slope m(1) = 1

The line passes through (−2,−16), so the point will satisfy the equation y=mx+c. So

−16=−2*1+c

Simlifying

−16=−2+c

Add 2 on both side, we get

c = −16+2

c = −14

As we know that if line is parallel then

m(1)=m(2)

So the value of solpe m = 1

Now the equation of line

y=1*x+(−14)

y=x−14

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The right answer is:

How do you write the slope-intercept form of the equation of the line through the given point and parallel to the given line?

Point (−2,−16), y = x – 5

a. The correct statement regarding the classification of the functions as exponential and linear is given as follows:

The total number of views for Video 1 are exponential because they grow by equal factors over equal intervals.

b. The average rate of change of the total number of views for Video 2 between July 12 and July 14 is of: 45,000 views a day.

The functions are classified depending if there is an equal factor or an equal difference between consecutive terms, as follows:

Hence the functions are classified as follows:

The average rate of change is given by the change in the output divided by the change in the input, hence it is of:

r = (190000 - 100000)/2 = 45,000 views a day.

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6 orders of the conditions are possible in dr. davis's study.

What is an independent variable?

What it means to be an independent variable is exactly what it is. It is a variable that is independent of the other factors you are attempting to assess. Age is just one example of an independent variable.

What distinguishes a variable from a dependent one?

The cause is the independent variable. The other factors in your study have no bearing on its value.

                      Effect is the dependent variable. The independent variable's changes determine its value.

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