The mean for the normal hemoglobin control is 14.0 mg/dL. The standard deviation is 0.15 with an acceptable control range of +/-2 standard deviations (SD). What are the acceptable limits of the control? Please select the single best answer 13.8-14.2 13.4 14.6 13.6-14.4 13.7-14.3

Answer:

y>-2x-1 answer is b

-4x+y> 1 is c I believe

Step-by-step explanation:

Answer:

y=5x

Step-by-step explanation:

10=m x 2

m=5

Brainliest?

Answer: For the first one, it’s y=5x and even though you didn’t put it, for the second question, it’s 30 dollars

Step-by-step explanation:

1. 10/2=5. Y=5x

2. 5*5 = $25.00

Answer:

The answer is 11

Step-by-step explanation:

Add all the numbers together

8+16+9+11=44

Then divide by 4 because there are only 4 numbers

so your answer would be 11

The density of glycerin at 60°C is approximately 19.9592 g/cm³.

To find the density of glycerin at 60°C, we can use the volume expansion coefficient and the given density at 20°C.

The formula for volume expansion is:

ΔV = β * V₀ * ΔT

where:

ΔV is the change in volume,

β is the volume expansion coefficient,

V₀ is the initial volume, and

ΔT is the change in temperature.

In this case, we want to find the change in density, so we can rewrite the formula as:

Δρ = -β * ρ₀ * ΔT

where:

Δρ is the change in density,

β is the volume expansion coefficient,

ρ₀ is the initial density, and

ΔT is the change in temperature.

Given:

ρ₀ = 20 g/cm³ (density at 20°C)

β = 5.1 x 10⁻⁴ °C⁻¹ (volume expansion coefficient)

ΔT = 60°C - 20°C = 40°C (change in temperature)

Substituting the values into the formula, we have:

Δρ = - (5.1 x 10⁻⁴ °C⁻¹) * (20 g/cm³) * (40°C)

Calculating the expression:

Δρ = - (5.1 x 10⁻⁴) * (20) * (40) g/cm³

≈ - 0.0408 g/cm³

To find the density at 60°C, we add the change in density to the initial density:

ρ = ρ₀ + Δρ

= 20 g/cm³ + (-0.0408 g/cm³)

≈ 19.9592 g/cm³

Therefore, the density of glycerin at 60°C is approximately 19.9592 g/cm³.

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The given task involves estimating a polynomial regression model using period, per squared, and dummy variables for the months of February to December.

The equation should include all variables without removing them based on their p-values, and no additional variables should be added. The desired format for coefficient values is two decimal places, and negative numbers should be displayed as "-5" instead of "(5)".

To estimate a polynomial regression model, we need to specify the equation that relates the dependent variable to the independent variables. In this case, the independent variables are period, per squared, and dummy variables for the months from February to December.

The equation for the polynomial regression model would look like this:

f = Intercept + Variable * period + Variable * per squared + Variable * Feb + Variable * Mar + Variable * Apr + ...

Each variable is multiplied by its corresponding independent variable. The intercept term represents the constant value in the equation. The coefficients for each variable determine the impact or contribution of that variable to the dependent variable.

To estimate the polynomial regression model, you need to provide the coefficient values for each variable. The desired format for the coefficients is two decimal places. For negative numbers, use the format "-5" instead of "(5)".

Please provide the coefficient values for the intercept, period, per squared, Feb, Mar, Apr, and any additional variables you have included in the model.

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Answer:

https://brainly.com/question/18832765

Step-by-step explanation:

Hey ! there

Answer:

Step-by-step explanation:

In this question we are given with three sides of a triangle that are as follows ,

And we are asked to :

We know that for finding perimeter of any shape we must have to add all the sides of the shape or ,

\( \qquad \: \underline{\boxed{\frak{Perimeter = Sum \: of \: all \: sides}}}\)

Solution : -

( a )

Now adding all the three sides of triangle to find the perimeter .

\( \hookrightarrow \quad \: ( x + 5 ) + ( 2 x + 4 ) + ( 2x - 3 ) \)

\( \hookrightarrow \quad \: \: x + 5 + 2x + 4 + 2x - 3\)

Combining like terms :

\( \hookrightarrow \quad \:x + 2x + 2x + 5 + 4 - 3\)

Now , solving :

\( \hookrightarrow \quad \: \red{\underline{ \boxed{ \frak{(5x + 6) \: cm}}}}\)

( b )

Now , we are finding perimeter of triangle when value of x is 10 . So substituting value of x in given sides of triangle ,

First Side :

Second Side :

Third Side :

So , all the sides are 15 cm , 24 cm and 17 cm .

Now , adding all these to find perimeter .

\( \hookrightarrow \qquad \: 15 + 24 + 17\)

\(\hookrightarrow \qquad \: 39 + 17\)

\(\hookrightarrow \qquad \: \red{\underline{\boxed{\frak{56 \: cm}}}}\)

Alternative Solution : -

As above we have find the perimeter of triangle in term of x that is ( 5x + 6 ) cm. So we can put value of x as 10 in this to get perimeter. So ,

Therefore, perimeter of triangle is 56 cm .

To find the perimeter of a shape, we should add all sides , like so :

x+5+2x+4+2x-3

Combine the x's :

x+2x+2x+5+4-3

x+4x+9-3

5x+6

5x+6 cm

º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º º

b.

Find the perimeter of the triangle if x = 10

Just write 10 instead of x :

5(10)+6

5(10) simplifies to 50 ↓

50+6

56

hope helpful ~

The value of the right Riemann sum approximation for integral ∫₀² f(x) dx is (c) 60.

The right Riemann sum approximation is obtained by dividing the interval [0, 2] into four subintervals of equal length and evaluating the function at the right endpoints of each subinterval. In this case, each subinterval has a length of (2-0)/4 = 0.5. The right endpoints of the subintervals are 0.5, 1.0, 1.5, and 2.0.

To calculate the right Riemann sum, we evaluate the function at these right endpoints and sum up the values multiplied by the subinterval length.

f(0.5) = \(9^{0.5\) = 3

f(1) = 9¹ = 9

f(1.5) = \(9^{1.5\) = 27

f(2) = 9² = 27

The right Riemann sum is then

= (0.5 * f(0.5)) + (0.5 * f(1.0)) + (0.5 * f(1.5)) + (0.5 * f(2.0))

= 0.5 * (3 + 9 + 27 + 81)

= 60.

Therefore, the value of the right Riemann sum approximation for ∫2 to 0 f(x) dx is 60, which corresponds to option (c).

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Given question is incomplete, the complete question is below

let f be the function given by f(x)= 9ˣ, if four subintervals of equal length are used, what is the value of the right riemann sum approximation for∫₀² f(x) dx. 20b. 40c. 60d. 80

For all the given sequence of transformations, Rectangles ABCD and WXYZ will be similar.

It is given that Rectangles ABCD and WXYZ are similar, but not congruent.

For all the transformations given represents the similar rectangles. Dilations, rotations, translations and reflections all lead to similar figures.

Therefore, for all the given sequence of transformations, Rectangles ABCD and WXYZ will be similar.

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y + 1 = 2x is the equation of the line that passes through the points (0,-1) and (0.5, 0) and also passes through the line f in the graph.

what is equation ?

An equation is a mathematical statement that asserts that two expressions are equal. It is typically written using an equal sign (=) between the two expressions. An equation can contain variables, which are symbols that represent unknown values.

In the given question,

To write an equation of the line that passes through the points (0,-1) and (0.5, 0), we first need to find the slope of the line using the slope formula:

slope = (y₂ - y₁) / (x₂ - x₁)

Substituting the coordinates of the two points, we get:

slope = (0 - (-1)) / (0.5 - 0)

slope = 1 / 0.5

slope = 2

Now that we know the slope of the line, we can use the point-slope form of the equation of a line to write the equation:

y - y1 = m(x - x₁)

Substituting the coordinates of one of the points and the slope, we get:

y - (-1) = 2(x - 0)

y + 1 = 2x

This is the equation of the line that passes through the points (0,-1) and (0.5, 0) in the graph.

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Answer:

y = 100 - 0.08^ x

Step-by-step explanation:

Answer:Child ticket sold = 30

Adult ticket sold = 50

Total ticket sold = 80

Step-by-step explanation:

The value of x is 15

If two angles sum to 90 degrees, they are said to be complimentary angles. In other terms, a right angle is created when two complementary angles are combined (90 degrees). If the sum of angles 1 and 2 equals 90 degrees (i.e., angle 1 plus angle 2 = 90°), then the angles are complementary and are referred to as one another's complements.

∠1 and ∠2 are complementary angles i.e the sum of ∠1 and ∠2 is 90° .

Thus

∠1 + ∠2 = 90°

x° + (3x+30)° = 90°

x + 3x + 30 = 90

4x = 90-30

4x = 60

x = 15

Therefore the value of x is 15.

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When rotating a point 90 degrees counterclockwise about the origin our point A(x,y) becomes A'(-y,x). In other words, switch x and y and make y negative

What is the explanation?

U(2, 7) → U'(-7, 2)

V(10, 7) → V'(-7, 10)

W(2, 3) → W'(-3, 2)

Step-by-step explanation:

From the picture attached,

Coordinates of the vertices of the given triangle,

U → (2, 7)

V → (10. 7)

W → (2, 3)

Since rule for the coordinates of a point P(x, y) after a rotation of 90° counterclockwise about the origin is,

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Answer:

By conducting 30 trials instead of 15, they would improve the accuracy of their simulation, therefore, Elena is correct

Step-by-step explanation:

The parameters given are;

Jada and Elena are trying to estimate the probability that 1 in 4 students selected has asthma where the asthma prevalence rate = 8%

The experiment uses 25 slips to represent 25 students and they labelled 2 of the strips as asthma to indicate the expected number of asthma in 25 students which is 2/25 = 0.08. That is the number of asthma in 25 students is 8% of 25 = 0.08 × 25 = 2

From the 25 slips, they randomly select groups of 4 which represent the team of four students to see if any of the 4 slips is one of the two slips labelled as asthma slips

Therefore, to improve the accuracy of the estimate of the probability they should increase the number of trials from 15 to 30, hence Elena is correct.

The sample mean for the given sample data is 19.6

using formula Mean = (Σxi)/n

Where Σ tells us to add,

xi refers to all the X-values

and n stands for the number of items in the data set.

The sample mean of a data set is used by statisticians to estimate the standard of normality within a given population, as well as to calculate the variance, deviation, and standard error within a data set.

The average of a group of data is called a sample mean. A data set's central tendency, standard deviation, and variance can all be determined using the sample mean. A population average can be determined using the sample mean, among other things.

xi = 13,19,22,15,29

Total no. of students (n) = 5

Sample Mean = ( Σ xi ) / n

⇒ Sample Mean = (13+19+22+15+29)/5

⇒ Sample Mean = 98/5

⇒ Sample Mean = 19.6

The sample mean for the given sample data is 19.6

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The ordered pairings (-2, 3), and (-5, 3), respectively, depict points along a horizontal line.

Let's go over some information on the horizontal line.

If the y-coordinates of every point along the line are equal, the line is horizontal.

The horizontal line's slope is zero and it is perpendicular to the x-axis.

Because the y-coordinates of every point on the line equal b, the equation of the horizontal line through point (a, b) is y = b.

Find the points with the same y-coordinates in order to identify the ordered pairs that represent points along a horizontal line.

Response A:

The paired numbers are (-2, 3), and (-5 , 3)

X is located between -2 and -5.

3 and 3 are the y-coordinates.

The two ordered pairs' y-coordinates are equivalent.

Points (-2, 3) and (-5, 3) are adjacent on a horizontal axis.

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(a) The firm's output supply function is given by q = (p + 199) / 2.

(b) The market-equilibrium price is $32.56, and the equilibrium number of firms is 10.

(c) Each firm sells 70 computers in the long run.

(39 - 0.009q) = (2q - 2) / q

Simplifying the equation, we find:

q = (p + 199) / 2

This represents the firm's output supply function.

p = 39 - 0.009((p + 199) / 2)

Simplifying and solving for p, we get:

p ≈ $32.56

Substituting this price back into the output supply function, we find:

q = (32.56 + 199) / 2 ≈ 115.78

Given that each firm produces 70 computers in the long run, we can calculate the equilibrium number of firms:

Number of firms = q / 70 ≈ 10

70 * 10 = 700

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The angles coterminal with a 145° angle are 215°, 505°, and 695° (or -145°, -505°, and -695°). So, the correct option are E, G and H.

The measures of angles coterminal with a 145° angle are

215° = (145° + 360°)

505° = (145° + 360° + 360°)

865° = (145° + 360° + 360° + 360°)

The angles that are coterminal with a 145° angle are those that can be obtained by adding or subtracting a multiple of 360°. Therefore, the angles that are coterminal with 145° are 505° and 865°. The other angles listed are not coterminal with 145°.

Therefore, the correct answer are 215°, 505°, 865° and options are E, G and H.

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The value of p in the given equation is -1.

Given is an equation p-3 = -4, we need to find the value of p,

So,

p-3 = -4

p = -4+3

p = -1

Hence, the value of p in the given equation is -1.

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Answer:

-40960

Step-by-step explanation:

The formula for geometrc sequence is:

\(\displaystyle{a_n = a_1r^{n-1}}\)

Where r represents common ratio. In this sequence, our common ratio is -2 as -10/5 = -2 as well as 20/-10 = -2.

\(a_1\) represents the first term which is 5. Therefore, by substitution, we have:

\(\displaystyle{a_n = 5(-2)^{n-1}}\)

Since we want to find the 14th term, substitute n = 14. Thus:

\(\displaystyle{a_{14} = 5(-2)^{14-1}}\\\\\displaystyle{a_{14}=5(-2)^{13}}\\\\\displaystyle{a_{14} = 5(-8192)}\\\\\displaystyle{a_{14}=-40960}\)

Therefore, the 14th term is -40960.

The simplest form is:

Answer:

ok

1 b

2c

3a

4f

5d

6g

7e

9g

10i

Answer:

Step-by-step explanation:

Let's call the three numbers we're trying to find "a", "b", and "c". We know that their sum is 3, so we can write:

a + b + c = 3

We also know that their difference is 21. However, we don't know if that difference is positive or negative, so we'll write two equations:

a - b - c = 21

b - a - c = 21

Now we have a system of three equations with three unknowns. We can solve for one variable in terms of the other two, and then substitute that expression into the other two equations to get a system of two equations with two unknowns. From there, we can solve for one variable and use that to find the other two.

Here's one way to solve the system:

a + b + c = 3

a - b - c = 21

b - a - c = 21

Adding the second and third equations, we get:

a - c = 42

Substituting this into the first equation, we get:

b + 42 = 3

b = -39

Substituting b and a - c into the second equation, we get:

a - (-39) - (a - c) = 21

a + 39 - a + c = 21

c = -18

Now we can find a by adding b and c to 3:

a = 3 - b - c

a = 3 - (-39) - (-18)

a = 24

So the three numbers are 24, -39, and -18, and their sum is 3 and their difference is 21.

The transformation rule that describes the rotation from the original parallelogram ABCD to the image parallelogram A'B'C'D' is (x, y) → (–y, x).

The rule that describes the transformation from the original parallelogram ABCD to the image parallelogram A'B'C'D' is (x, y) → (–y, x).

To understand this, let's apply the transformation rule to each vertex of the original parallelogram ABCD:

Point A (2, 5) becomes A' (-5, 2).

Point B (5, 4) becomes B' (-4, 5).

Point C (5, 2) becomes C' (-2, 5).

Point D (2, 3) becomes D' (-3, 2).

By applying the transformation rule, we observe that the x-coordinate of each point becomes the negative of the original y-coordinate, and the y-coordinate becomes the original x-coordinate.

This transformation is a 90-degree counterclockwise rotation about the origin (0, 0) on the coordinate plane. The image parallelogram A'B'C'D' is obtained by rotating the original parallelogram ABCD by 90 degrees counterclockwise.

Visually, this transformation can be seen as the original parallelogram being rotated around the origin, where the x-axis becomes the y-axis, and the y-axis becomes the negative x-axis.

Therefore, the transformation rule that describes the rotation from the original parallelogram ABCD to the image parallelogram A'B'C'D' is (x, y) → (–y, x).

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Answer:

Step-by-step explanation:

Given :

x = -6

-7x + 6y = -18 ... i)

Putting the value of x in equation ...i)

=> -7 (-6) + 6y = -18

=> 42 + 6y = -18

=> 6y = -18 -42

=> 6y = - 60

=> y = -60/6

=> y = -10

The value of y = -10 and x = -6

Answer:

x= 4, y=6

Step-by-step explanation:

9x-9y = -18

9x=-18+9y

x=-2+y

-6(-2+y) + 9y = 6

-12-6y+9y=6

3y=18

y=6

9x -9(6)=-18

9x-54=-16

9x=36

x=4

Answer:

4 party favors per guest

Step-by-step explanation:

3 bags multiplied by 8 party favors is equal to 24 party favors

then divide 24 party favors by 6 people to get 4 party favors per guest

The exponent in Sam’s product is -5.

What does a math exponent mean?

Let us first multiply 500 with 3. 625×10-8

3. 625×10-8  × 500 = 1812.5 × 10⁻⁸

Then Sam has reported this answer in scientific notation

The format for writing a number in scientific notation is

(first digit of the number) followed by (the decimal point) and then (all the rest of the digits of the number), times (10 to an appropriate power).

In 1812.5 × 10⁻⁸  we move the decimal 3 times to left side

Since the decimal is moved left side, we multiply by 10³

1812.5 × 10⁻⁸ = 1812.5 × 10⁻⁸ × 10³

1812.5 × 10⁻⁸  = 1812.5 × 10⁻⁵

Exponent is a quantity representing the power to which a given number or expression is to be raised

1812.5 × 10⁻⁵ exponent is -5

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