$
where t is the number of
a =500
The milligrams of aspirin in a person's body is given by the equation
hours since the patient took the medicine.
How much aspirin will be in the patient's body after two hours?

The logarithmic identity log a + log b = log (ab) on the right-hand side, we get:

log(30/14) = log(225/196)

The equation log(x+15) = logx + log15, we can use the logarithmic identity that states log a + log b = log (ab).

The right-hand side of the equation, we get:

log(x+15) = log(15x)

The one-to-one property of logarithms, states that if log a = log b, then a = b.

we have:

x + 15 = 15x

Simplifying this equation, we can subtract x from both sides and add 15 to both sides to get:

15 = 14x

Finally, we can divide both sides by 14 to get:

x = 15/14

The solution to the equation log(x+15) = logx + log15 is x = 15/14.

We should check this solution by plugging it back into the original equation to make sure that both sides of the equation are equal:

log(15/14 + 15) = log(15/14) + log(15)

Simplifying the left-hand side, we get:

log(30/14) = log(15/14) + log(15)

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5 : 3  is the ratio of cooking times for the rice to pasta .

What does a math ratio mean?

When b does not equal 0, an ordered pair of numbers a and b, represented as a / b, is said to be a ratio. A percentage is an equation in which two ratios are made equal to one another.

                                    You might express the ratio as 1: 3 for instance, if there is 1 boy and 3 girls (for every one boy there are 3 girls) There are 1 in 4 boys and 3 in 4 girls.

Rice takes 20 minutes to cook

pasta takes 12

the ratio of cooking times for the rice to pasta = 20  :  12

                                                                            = 5 : 3

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Answer:

2.88449914

Step-by-step explanation:

Answer:

(A∩B)' = A'∪B'

Step-by-step explanation:

U is the universal set

A and B are two subsets of U

let A' be the complement subset of A

and  B' be the complement subset of B

U = {-10,-9,…,-1,0,1,…,9,10}

A = {-1,0,1}

B = {1,2,…,9,10}

Then

A∩B = {1}

Then

the complement of A∩B :

(A∩B)' = {-10,-9,…,-1,0,2,…,9,10}

(notice the absence of 1)

On the other hand,

A' = {-10,…,-2}∪{2,…,10}

B' = {-10,…,0}

Then

A'∪B' = {-10,-9,…,-1,0}∪{2,…,10}

         =  {-10,-9,…,-1,0,2,…,9,10}

Conclusion:

(A∩B)' = A'∪B'

Answer:

X=20

Step-by-step explanation:

(3x+10)+(6x-10)=180

9x=180

180/9=20

X=20

Answer:

∠

A

=

x

=

32

∘

∠

B

=

3

x

=

3

⋅

32

=

96

∘

∠

C

=

x

+

20

=

32

+

20

=

52

∘

Step-by-step explanation: Every triangle adds up to 180.

The upper bound of the 90% confidence interval for the recovery time is approximately 23.696 days.

It takes more than approximately 21.257 minutes to find a parking space 90% of the time.

To find the probability that it will take more than 11 days to recover from the surgical procedure, we need to calculate the area under the normal distribution curve to the right of 11 days.

Mean (μ) = 7 days

Standard deviation (σ) = 7.92 days

We can standardize the value of 11 days using the z-score formula:

z = (x - μ) / σ

z = (11 - 7) / 7.92

z = 0.506

Using a standard normal distribution table or a calculator, we can find the probability corresponding to the z-score of 0.506. The probability is approximately 0.3051.

Therefore, the probability that it will take more than 11 days to recover is approximately 0.3051 or 30.51%.

Question 8:

To find the upper bound of the 90% confidence interval for the number of days needed to recover from the surgical procedure, we need to calculate the z-score corresponding to the desired confidence level and then find the corresponding value using the standard deviation.

Given:

Mean (μ) = 20 days

Standard deviation (σ) = 2.24 days

For a 90% confidence interval, the z-score corresponding to the upper tail probability of 0.10 (1 - 0.90) is approximately 1.645.

Using the formula for the upper bound of the confidence interval:

Upper bound = μ + (z * σ)

Upper bound = 20 + (1.645 * 2.24)

Upper bound ≈ 23.696

Therefore, the upper bound of the 90% confidence interval for the recovery time is approximately 23.696 days.

Question 9:

To find the time it takes more than 90% of the time to find a parking space, we need to calculate the z-score corresponding to the desired upper tail probability and then find the corresponding value using the standard deviation.

Mean (μ) = 15 minutes

Standard deviation (σ) = 4.89 minutes

For a probability of 90%, the upper tail probability is 1 - 0.90 = 0.10.

Using a standard normal distribution table or a calculator, we can find the z-score corresponding to the upper tail probability of 0.10, which is approximately 1.282.

Using the formula for the upper bound:

Upper bound = μ + (z * σ)

Upper bound = 15 + (1.282 * 4.89)

Upper bound ≈ 21.257

Therefore, it takes more than approximately 21.257 minutes to find a parking space 90% of the time.

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Based on the given data, Jocelyn could expect to have an average speed of approximately 6.9 minutes per mile on the 9th day.

To determine the expected average speed on the 9th day, we can analyze the trend in Jocelyn's average speed over the first six days. From the data provided, it can be observed that her average speed is gradually decreasing, indicating an improvement in her running performance.

By examining the given values, we can see that there is a consistent decrease in the average speed from 8.2 minutes per mile to 7.5 minutes per mile over the initial six days. Assuming this trend continues, we can expect Jocelyn's average speed to continue to decrease on the 9th day.

Therefore, it is reasonable to predict that Jocelyn's average speed on the 9th day would be approximately 6.9 minutes per mile, as the trend suggests a gradual improvement in her running speed. However, it's important to note that this is an estimation based on the given data, and actual results may vary.

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Answer:

Please

Excuse

My

Dear

Aunt

Sally

Step-by-step explanation:

It means to add parenthesis,exclamation points, multiplication, division, addition, & subtraction PEMDAS is a easier way to remember this

Answer:

Hello!

__________________________

PEMDAS: The order of operations

Parentheses

Exponents

Multiplication

Division

Addition

Subtraction

Hope this helped you!

Step-by-step explanation: We can remember the order using PEMDAS: Parentheses, Exponents, Multiplication and Division (from left to right), Addition and Subtraction (from left to right).

A. SAS Inequality Theorem , theorem can be used to prove triangle congruence, as congruent sides and angles can be used to determine the length of the third side, thereby proving congruence.

The SAS Inequality Theorem states that if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, then the third side of the triangle must be greater in the triangle with the larger included angle.

The SAS Inequality Theorem states that if two sides and the included angle of one triangle are equal to two sides and the included angle of another triangle, then the third side of the triangle must be greater in the triangle with the larger included angle. This theorem is important to remember when comparing similar triangles, as it can help determine which triangle has the greater side length. This theorem can also be used to determine if a triangle is acute or obtuse, as the greater included angle will lead to the longer side being on the opposite side of the triangle. Additionally, this theorem can be used to prove triangle congruence, as congruent sides and angles can be used to determine the length of the third side, thereby proving congruence.

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Answer: a)159 boxes of cereal will be sold during the 10th week, b) an = 15n + 9

Step-by-step explanation:

1 - Linear molecule

2 - Linear molecule

3- Trigonal planar/bent

4 - Tetrahedral

According to the VSEPR (Valence shell electron pair repulsion) theory, the molecule's molecular shape is determined by the quantity of electron domains. For instance, if a molecule has a 2 electron domain, the molecular geometry will be linear.

A molecule can have a bent shape if it has two electron domains and one or two lone electron pairs. Lone electron pairs significantly influence how a molecule is shaped. A trigonal planar shape results from one lone pair, while a tetrahedral shape is produced by two lone pairs.

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Answer:

cba

Step-by-step explanation:

yes correct answer x yimes h yomes z

The volume of the solid is  17124 cubic units. To find the volume of the solid, we need to integrate the area of each cross-section perpendicular to the base and parallel to the diameter.

Since these cross-sections are squares. We can find their area by squaring the side length.

Let's call the side length of each square "x". We know that the diameter of the semicircle is 32 (twice the radius of 16), so the side length of each square is also 32.

Now we need to express the volume of the solid as an integral. We can do this by summing the areas of all the infinitesimal squares as we slice the solid perpendicular to the base.

The infinitesimal thickness of each slice is dx. The width of each slice is also dx, since the squares are perpendicular to the base. The height of each slice is the length of the chord of the semicircle that corresponds to the x-coordinate of the slice.

We can use the Pythagorean theorem to find this height. The chord has length 2(sqrt(16^2 - x^2)), so the height is sqrt(16^2 - x^2).

Therefore, the volume of the solid is given by the integral:

V = ∫(0 to 16) of [x^2 * (2sqrt(16^2 - x^2))] dx

Evaluating this integral, we get:

V = (2/3)(16^3)(pi) - (2/3)(16^3)

So the volume of the solid is approximately 17124 cubic units.

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Answer:

19

Step-by-step explanation:

If DE bisects  <ABC, this means that <ABE = <EBC

Also <DBC+<EBC = 180

99+<EBC = 180

<EBC = 180-99

<EBC = 81

Also <ABC =<ABE+<EBC

<ABC =<EBC+<EBC

7x+29 = 81+81

7x = 162-29

7x = 133

x = 133/7

x = 19°

Hence the value of x is 19°

Because the graph always has a consistent slope of +2, the table x|y-2| 4|0| 6|2| is an illustration of a linear function table.

In order for a table to represent a linear function, there must be a constant rate of change (slope) between any two points on the graph. In other words, the relationship between the x-values and y-values should follow a consistent pattern.

The correct table that represents a linear function is: x|y-2| 4|0| 6|2|This is because there is a constant rate of change of +2 between any two points on the graph. For example, when x goes from 2 to 4, y increases from -2 to 0. When x goes from 4 to 6, y increases from 0 to 2.

This constant rate of change indicates that the relationship between x and y is linear.

In summary, a table represents a linear function when there is a constant rate of change between any two points on the graph. The table x|y-2| 4|0| 6|2| is an example of a linear function table because there is a consistent slope of +2 between any two points on the graph.

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Answer:

Step-by-step explanation:

Given data:

Circumference of the base of the cone = 24in.

Recall that circumference (in this case) is the distance round the base of the cone and from here the diameter D=12in. Radius = 6in

Surface area l = pie x radius ( slant height + radius)

= 3.142 x 6 (20 + 6)

= 3.142 x 6 (26)

= 3.142 x 156

= 490.152in^2

Answer:

384pi inches   hop it halp!!!

Step-by-step explanation:

Equation (ii) says that [x]_W = P[x]_U for all x in V. This means that the coordinate vector of x with respect to W is equal to P times the coordinate vector of x with respect to U. Both equations are satisfied by P for all x in V.  

To see why, let's first recall the definitions of [x]_u and [x]_W. [x]_u is the coordinate vector of x with respect to the basis U, meaning that [x]_u = [a,b] where ax_1 + bx_2 = x for some scalars a and b, and u_1 = [1,0] and u_2 = [0,1] are the standard basis vectors of U. Similarly, [x]_W is the coordinate vector of x with respect to the basis W, meaning that [x]_W = [c,d] where cw_1 + dw_2 = x for some scalars c and d, and w_1 = [1,0] and w_2 = [0,1] are the standard basis vectors of W.
Now, let's consider each equation. Equation (i) says that [x]_u = P[x]_W for all x in V. This means that the coordinate vector of x with respect to U is equal to P times the coordinate vector of x with respect to W. Since P has columns [u_1]_W and [u_2]_W, we can rewrite this equation as [a,b] = c[u_1]_W + d[u_2]_W, where c and d are the entries of P[x]_W. But we know that x = au_1 + bu_2 and x = cw_1 + dw_2, so we can substitute these expressions into the equation to get a[u_1]_W + b[u_2]_W = c[w_1]_W + d[w_2]_W. Since U and W are both bases for V, this means that [u_1]_W and [u_2]_W are linearly independent, so we can equate coefficients to get a=c and b=d. Therefore, equation (i) is satisfied by P for all x in V.
Similarly, equation (ii) says that [x]_W = P[x]_U for all x in V. This means that the coordinate vector of x with respect to W is equal to P times the coordinate vector of x with respect to U. Since P has columns [u_1]_W and [u_2]_W, we can rewrite this equation as [c,d] = a[u_1]_W + b[u_2]_W, where a and b are the entries of P[x]_U. But we know that x = au_1 + bu_2 and x = cw_1 + dw_2, so we can substitute these expressions into the equation to get a[u_1]_W + b[u_2]_W = c[w_1]_W + d[w_2]_W. We can equate coefficients as before to get a=c and b=d, so equation (ii) is also satisfied by P for all x in V.
Therefore, both equations are satisfied by P for all x in V.

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\({ \qquad\qquad\huge\underline{{\sf Answer}}} \)

Let's solve ~

\(\qquad \sf  \dashrightarrow \: 3 \sqrt{50} \times \sqrt{22} \)

\(\qquad \sf  \dashrightarrow \: 3 \sqrt{2 \times {5}^{2} } \times \sqrt{2 \times 11} \)

\(\qquad \sf  \dashrightarrow \: 3 \times 5 \sqrt{2} \times \sqrt{2 \times 11} \)

\(\qquad \sf  \dashrightarrow \: 15 \sqrt{ {2}^{2} \times 11} \)

\(\qquad \sf  \dashrightarrow \: 15 \times 2 \sqrt{11} \)

\(\qquad \sf  \dashrightarrow \: 30 \sqrt{11} \)

The equation of the line that passes through the points (-8, 9) and (2, -6) is y = (-3 / 2)x - 3.Given two points (-8, 9) and (2, -6). We are supposed to find the equation of the line that passes through these two points.

We can find the equation of a line that passes through two given points, using the slope-intercept form of the equation of a line. The slope-intercept form of the equation of a line is given by, y = mx + b,Where m is the slope of the line and b is the y-intercept.To find the slope of the line passing through the given points, we can use the slope formula: m = (y2 - y1) / (x2 - x1).Here, x1 = -8, y1 = 9, x2 = 2 and y2 = -6.

Hence, we can substitute these values to find the slope.m = (-6 - 9) / (2 - (-8))m = (-6 - 9) / (2 + 8)m = -15 / 10m = -3 / 2Hence, the slope of the line passing through the points (-8, 9) and (2, -6) is -3 / 2.

Now, using the point-slope form of the equation of a line, we can find the equation of the line that passes through the point (-8, 9) and has a slope of -3 / 2.

The point-slope form of the equation of a line is given by,y - y1 = m(x - x1)Here, x1 = -8, y1 = 9 and m = -3 / 2.

Hence, we can substitute these values to find the equation of the line.y - 9 = (-3 / 2)(x - (-8))y - 9 = (-3 / 2)(x + 8)y - 9 = (-3 / 2)x - 12y = (-3 / 2)x - 12 + 9y = (-3 / 2)x - 3.

Therefore, the equation of the line that passes through the points (-8, 9) and (2, -6) is y = (-3 / 2)x - 3. Thus, the answer is (-3/2)x - 3.

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Answer:

It would look about like this

Step-by-step explanation:

According to the information we can infer that Dora's conclusion may be incorrect because the information provided only states that the number of people who spent time reading falls within specific ranges (0-2 hours, 2-4 hours, and 2-10 hours), but it does not give a specific count for those who spent at least 4 hours. Therefore, Dora's assumption that "most people spent at least 4 hours a week reading" is not supported by the given data.

The range of the time spent reading cannot be determined from the information provided because the ranges are overlapping. For example, a person who spent exactly 2 hours reading could fall into both the first range (0-2 hours) and the second range (2-4 hours). Without more specific data or non-overlapping ranges, it is not possible to determine the exact range of time spent reading.

To estimate the mean time spent reading by Dora's friends, we can calculate the midpoint of each range and use it as an approximate value. The midpoint for the first range (0-2 hours) is 1 hour, for the second range (2-4 hours) is 3 hours, and for the third range (2-10 hours) is 6 hours. We can then calculate the estimated mean by taking the weighted average of these midpoints using the respective number of people as weights.

Estimated mean = [(4 * 1) + (5 * 3) + (11 * 6)] / (4 + 5 + 11) = 4.53 hours (approximately)

So, an estimate of the mean time spent reading by Dora's friends is approximately 4.53 hours.

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I'll explain the concept and steps to find the measure of each angle in an inscribed quadrilateral.

In an inscribed quadrilateral (a quadrilateral with its vertices on a circle), the opposite angles are supplementary. In other words, the sum of opposite angles is 180 degrees. This relationship between angles can help us find the measure of each angle in the quadrilateral.

Let's denote the angles of quadrilateral ABCD as follows:
∠A, ∠B, ∠C, and ∠D.

Since opposite angles are supplementary:
∠A + ∠C = 180°
∠B + ∠D = 180°

To find the measure of  a each angle, you'll need to be given at least two angle measures or additional information about the relationships between the angles. Without specific information, we can only provide the general relationships between the angles in an inscribed quadrilateral.
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Answer:

2h 5min

Step-by-step explanation:

1 class: 25 min

5 classes: 25 x 5 = 125 min = 2h 5min

Answer: 182 / 182.9

Step-by-step explanation:

199.47 +57.98 + 15.40 - 89.95    

3 x 66.49 = 199.47

2 x 28.99 = 57.98

since there was only one for the belt and the coat there is no problems for that.

add and subtract all of that and you get 182 or 182.9

i did the problem on my own and then checked it on a calculater. although if it isnt right im very sorry

Answer:

182

Step-by-step explanation:

Answer:

21

Step-by-step explanation:

Let the three consecutive integers be;

    x , x + 1 and x + 2:

The sum of squares of the two smaller numbers:

  The two smaller numbers are x and x+ 1

Sum of their squares:

           x² + (x+1)²;

        x² + x² + 2x + 1 = 2x² + 2x + 1

It is 45 more than the square of the larger number:

    Larger number = x + 2

        (x+2)² = x² + 4x + 4

 45 more;

        x² + 4x + 4 + 45  = x² + 4x + 49

Both are equal:

 2x² + 2x + 1 =  x² + 4x + 49  

  2x² - x² + 2x - 4x + 1 - 49 = 0

      x² - 2x - 48 = 0

      x² - 6x + 8x - 48 = 0

      x(x - 6) + 8(x - 6) = 0

      (x + 8)(x-6) = 0

      x + 8 = 0 or x - 6 = 0

      x  = -8 or x = 6

We choose x = 6 because it makes the solution true as a positive integer

  Sum of the three numbers:

     x + x + 1 + x + 2 = 6 + 6 + 1 + 6 + 2 = 21

Answer:

Not enough information

The generating function for the sequence {an} is given by a(x) = (1 + 2x) / (1 - x - 6x^2). It captures the terms of the sequence {an} as coefficients of the powers of x.

To find the generating function of the sequence {an}, we can use the properties of generating functions and solve the given recurrence relation.

The given recurrence relation is: an = an-1 + 6an-2

We are also given the initial conditions: a0 = 1 and a1 = 3.

To find the generating function, we define the generating function A(x) as:

a(x) = a0 + a1x + a2x² + a3x³ + ...

Multiplying the recurrence relation by x^n and summing over all values of n, we get:

∑(an × xⁿ) = ∑(an-1 × xⁿ) + 6∑(an-2 × xⁿ)

Now, let's express each summation in terms of the generating function a(x):

a(x) - a0 - a1x = x(A(x) - a0) + 6x²ᵃ⁽ˣ⁾

Simplifying and rearranging the terms, we have:

a(x)(1 - x - 6x²) = a0 + (a1 - a0)x

Using the given initial conditions, we have:

a(x)(1 - x - 6x²) = 1 + 2x

Now, we can solve for A(x) by dividing both sides by (1 - x - 6x^2²):

a(x) = (1 + 2x) / (1 - x - 6x²)

Therefore, the generating function for the given sequence is a(x) = (1 + 2x) / (1 - x - 6x²).

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Answer:

The products of -3(1) and -3(-1) are the same because both expressions result in the multiplication of -3 and a number, where one of the numbers is positive and the other is negative. The product of these two numbers is always negative.

Step-by-step explanation:

-3(1) means multiplying -3 by 1, which gives -3 as the product.

-3(-1) means multiplying -3 by -1, which gives 3 as the product.

Even though the two expressions are different, we can see that both involve multiplying -3 with a number, where one of the numbers is positive and the other is negative.

When we multiply a negative number and a positive number, the product is always negative. Similarly, when we multiply a negative number and a negative number, the product is always positive.

So, in both -3(1) and -3(-1), we are multiplying a negative number (-3) with a positive number (1 in the first expression and -1 in the second expression). Therefore, the products of both expressions are negative (-3 in the first expression and 3 with a negative sign in the second expression).

Hence, we can conclude that the products of -3(1) and -3(-1) are the same and equal to -3.

Answer:

1/20 x 595

Step-by-step explanation:

1/20 is the lowest fraction in this situation so lower fractions and multiplying whole numbers will be lower than 1/2