Can someone please tell me the answer
(-42)-(+16)=

To see statistics by category you would use an aggregate query or a group by query.

To see statistics by category, you would typically use an aggregate query or a group by query.

These types of queries allow you to group data based on a specific category and calculate statistics or summaries for each category.

In SQL, you can use the GROUP BY clause to group data based on a specific column or columns. You can then use aggregate functions like COUNT, SUM, AVG, MAX, MIN, etc., to calculate statistics for each category.

Depending on the specific database management system or programming language you are using, the syntax may vary slightly, but the concept of using an aggregate or group by query remains the same.

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We can use the radical rules to simplify the product 3(4x2). To start, we simplify 4 to its square root, which equals 2. Next, we employ the power property of radicals, which asserts that (a,m) = (a(m/2)), to simplify the cube root (x2) by using it. In this instance, (x2) = x.

We now get 3 * 2 * x, which simplifies to 6x when the simpler terms are combined.The result is that the product 3(4x2) has the simplest form (6x).We can dissect the constituent parts and use the radical-simulation principles to simplify the product 3(4x2).In the beginning, we may reduce the square root of 4 to 2: 3(2x2).Then, since it contains a square (2) and a cube root (), we can reduce them as follows:

3 * 2 * x^(²/³)Taking the square root before the cube root is shown by the exponent 2/3. We may calculate the exponent by reducing it to: 3 * 2 * x(2/3)The terms are then combined when we multiply the coefficients: 6 * x(2/3)As a result, 6x(2/3) is the product of 3(4x2) in its simplest form.

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Answer: as per question statement

we need to set up an equation first

p(t)=1200e(0.052*t)

they have given that it is relative to 1200 that means it starts to increase from 1200 at t=0 initially 1200 bacteria were present

we need to find population at t=6

we need to plug t=6 in p(t).

P(6)=1200e(0.052*6)=1639.38

1638.38 bacteria were present at that time t=6

Step-by-step explanation: I hope this helps.

Profit fall in one year = 116.8$

What is profit?

In accounting, a profit is an income that is given to the owner throughout a successful market producing process. Profitability, which is the owner's primary interest in the income-formation process of market production, is measured by profit. There are several profit metrics that are frequently used.

Let cost price = C

And selling price before reducing = S

Profit for 1 day = S-C

Now, After reducing selling price to = S-0.32

Profit= S - 0.32 - C for 1 day

Profit fall by = (S-C)-(S - 0.32 - C)

                     = S - C - S + 0.32 + C

Profit fall by = 0.32 for 1 day

Profit fall by one year = 0.32×365

                                    = 116.8$

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Answer:60% increase

Source:trust me bro

Answer:

= 60% increase

Step-by-step explanation:

Square root of 4 is not a polynomial. It is a quadratic function. Functions containing other operations like square root is not a polynomial.

A polynomial need not have any square root.  polynomial is a finite sequence form. it must contain no square roots of variables, no fractional or negative powers on the variables, and no variables in the denominators of any fractions. Polynomial are sums and differences of polynomial terms. For an expression to be a polynomial term, any variables in the expression must have whole number powers. It should not have any square root, cube root or any negative values. Quadratic function can have square root cube roots and fraction values.

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The largest share of national health expenditures is typically attributed to D. personal health care.

What is personal health care?

Personal health care refers to the direct provision of medical goods and services to individuals, including services such as hospital care, physician services, prescription drugs, and other medical supplies. These expenses typically make up the majority of national health expenditures in many countries, including the United States.

Examples of Personal Health Care Services: Personal health care expenditures include costs associated with hospital care (inpatient and outpatient), physician and specialist services, laboratory tests, prescription drugs, medical devices, home health care, nursing home care, and other healthcare services utilized by individuals.

Factors Contributing to Personal Health Care Expenses: Several factors contribute to the high share of national health expenditures attributed to personal health care. These include the increasing prevalence of chronic diseases, advances in medical technology, rising healthcare utilization, and an aging population requiring more healthcare services.

Private Health Insurance: While personal health care expenditures primarily refer to direct payments made by individuals or on their behalf, a significant portion of these costs is covered by private health insurance. Private insurance plans help individuals offset the financial burden of healthcare expenses by pooling risks and providing coverage for various medical services.

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Answer:

$552.50

Step-by-step explanation:

650×.15=97.5

650-97.5=552.5

Answer:

The X and Y intercepts to the equation -3x - 7y = 84 is

x-intercept (s): (−28,0)

y-intercept (s): (0,−12)

Step-by-step explanation:

To find the x-intercept(s), substitute in 0 for y and solve for x

−3x−7⋅0=84

Solve the equation.

x=−28

x-intercept(s) in point form.

x-intercept (s): (−28,0)

To find the y-intercept(s), substitute in 0 for x and solve for y .

−3⋅0−7y=84

Solve the equation.

y=−12

y-intercept(s) in point form.

y-intercept (s): (0,−12)

Hope this helps.

Answer:

23

Step-by-step explanation:

Answer: look at the picture

Step-by-step explanation: hope this help:)

Answer:

14.31

Step-by-step explanation:

Answer:

b

Step-by-step explanation:

Answer:

??????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????????

Step-by-step explanation:

Add 12.5 to both sides of the equation. Simplify the equation by adding and subtracting the terms on both sides to get the variable: 10.4x = 8.7

To solve the equation 10.4x - 12.5 = -3.8, we would follow the following steps:

Step 1: Add 12.5 to both sides of the equation to isolate the variable term (10.4x) on one side of the equation:
10.4x - 12.5 + 12.5 = -3.8 + 12.5

Step 2: Simplify the equation by adding and subtracting the terms on both sides to get the variable (x) by itself:
10.4x = 8.7

These steps will give us a simplified equation where we have solved for the value of x without actually calculating it.  

This approach allows us to follow a structured and logical process to find the solution to the equation. It is important to remember that this is only the first step in solving equations, and we should always double-check our answer by substituting it back into the original equation to verify that it is correct.

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Answer:

This expression is not factorable with rational numbers.

Step-by-step explanation:

The way factoring works, you just want to get it to its smallest form possible. To do that you would divide the entire problem by the Least Common Multiple.

This problem does not have a least common multiple. The LCM of 16 and 64 is 16 but x^2 does not have a number in front. 16k and 64 can be factored but in order to factor the entire problem, x^2 would need to have a number in front that made it divisible by a common multiple of 16 and 64.

Say if the problem was 2x^2+16k+64, you could divide the entire problem by 2. Your answer would be:

It is important to note that when you are factoring, never divide any exponents.

The way to check your work when factoring is to distribute the number outside of the parentheses. So in the example I just gave, you'd multiply everything in the parentheses, except the exponent, by 2. Which will give you the original 2x^2+16k+64.

Whatever number you factor out and end up putting outside your parentheses, should multiply back into the parentheses to give you the original problem. If it doesn't, then the factoring was done incorrectly.

Your answer should include parentheses.

Answer:

what are solving it with??

Answer:

sqrt9 and sqrt16

Step-by-step explanation:

Since you're trying to find the sqrt10, find a perfect square less than 10 and another perfect square greater than 10.

sqrt9 is 3. And sqrt16 is 4. So the estimate of sqrt10 is much closer to sqrt9.

sqrt10 ~= 3.2

\(\\ \tt\longmapsto 78m\times (41)\sqrt[72]{83\times 47}\)

\(\\ \tt\longmapsto 78m\times (41\sqrt[72]{3901}\)

\(\\ \tt\longmapsto 78m(41)(1.12)\)

\(\\ \tt\longmapsto 78m(45.92)\)

\(\\ \tt\longmapsto 3581.76m\)

Answer:

D.

Step-by-step explanation:

From the given triangles above, there are just 2 triangles that look the same, that is ∆ABC and ∆XYZ.

∆ABC has two sides (AB and BC), and an included angle (angle B), which are equal to the two sides (YZ and YX) and the included angle (angle Y) of ∆XYZ as ∆ABC is a reflection of ∆XYZ.

Therefore, according to the SAS Theorem of congruency, ∆ABC is congruent to ∆XYZ.

Answer:

∠W ≅ ∠G

Step-by-step explanation:

∠U is corresponding to ∠I

∠V is corresponding to ∠H

∠W is corresponding to ∠G

The limit of 1/f(x) as x approaches c exists and is equal to L.

To show that the limit of 1/f(x) exists as x approaches c, we can use the definition of the limit. We need to prove that for any ε > 0, there exists a δ > 0 such that if 0 < |x - c| < δ, then |1/f(x) - L| < ε, where L is the limit of f(x) as x approaches c.

Since f(x) ≠ 0 for 0 ≤ |x - c| < α, we can assume without loss of generality that f(x) > 0 for 0 ≤ |x - c| < α (otherwise, consider -f(x) instead). This implies that 1/f(x) is well-defined for 0 ≤ |x - c| < α.

Let's consider the limit of f(x) as x approaches c: lim x→c f(x) = L. By the definition of a limit, for any ε' > 0, there exists a δ' > 0 such that if 0 < |x - c| < δ', then |f(x) - L| < ε'.

Now, let's choose ε> 0. We want to find a δ> 0 similar that if 0<| x- c|< δ, also| 1/ f( x)- L|< ε. Since f( x) ≠ 0 for 0 ≤| x- c|< α, we can choose α as the upper bound for δ( i.e., δ ≤ α).

Consider the inequality| 1/ f( x)- L| = | 1/ f( x)- L| *| f( x)/ f( x)| = | f( x)- L|/| f( x)|. Since f( x)> 0 for 0 ≤| x- c|< α, we have

| 1/ f( x)- L| = | f( x)- L|/| f( x)|< ε'/ f( x).

Now, let's choose δ = min( α, δ'). For 0<| x- c|< δ, we've| x- c|< δ ≤ δ', which implies| f( x)- L|< ε'. also, since f( x)> 0 for 0 ≤| x- c|< α, we can conclude that 1/ f( x) is well- defined.

thus, for 0<| x- c|< δ, we have

| 1/ f( x)- L|< ε'/ f( x) ≤ ε'/a.

Since ε'/ a> 0, we can set ε = ε'/ a to gain| 1/ f( x)- L|< ε.

therefore, we've shown that for any ε> 0, there exists a δ> 0 similar that if 0<| x- c|< δ, also| 1/ f( x)- L|< ε. This satisfies the description of the limit, and thus, the limit of 1/ f( x) as x approaches c exists and is equal to L.

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There are three ways to name an angle--by its vertex, by the three points of the angle (the middle point must be the vertex), or by a letter or number written within the opening of the angle.

You can name a specific angle by using the vertex point, and three points on each of the angle's rays or by letter or number written. The name of the angle is simply the three letters representing those points, with the vertex point listed in the middle. You can also name angles by looking at their size. Right angles are 90 degrees. Acute angles are less than 90 degrees. Obtuse angles are greater than 90 degrees, but less than 180 degrees, which is a straight angle, or a straight line.

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The difference in the amount of interest is $847.36. The Option B is correct.

For the 3-year loan at 6.00% interest. We need to first find the amount with the formula A = P(1 + r/n)^(nt).

Plugging in the values, we get:

A = $5,000(1 + 0.06/1)^(1*3)

A = $5,000(1.191016)

A = $5,955.08

The total interest paid is:

I = A - P

I = $5,955.08 - $5,000

I = $955.08

For the 4-year loan at 8.00% interest:

A = $5,000(1 + 0.08/1)^(1*4)

A = $5,000(1.36048896)

A = $6,802.44

The total interest paid is:

I = A - P

I = $6,802.44 - $5,000

I = $1,802.44

Difference in amount of interest for these two loans is:

= $1,802.44 - $955.08

= $847.36

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Answer:

x = 15°

Step-by-step explanation:

the inscribed angle APB is half the measure of the central angle AOB , so

x = \(\frac{1}{2}\) × 30° = 15°

The probability that an arriving student will find at least one other student waiting in line is approximately 0.167.

To solve this problem, we'll use the M/M/1 queueing model with Poisson arrivals and exponential service times. Let's calculate the required values: (a) Percentage of time Judy is idle: The utilization of the system (ρ) is the ratio of the average service time to the average interarrival time. In this case, the average service time is 10 minutes, and the average interarrival time is 12 minutes. Utilization (ρ) = Average service time / Average interarrival time = 10 / 12 = 5/6 ≈ 0.8333

The percentage of time Judy is idle is given by (1 - ρ) multiplied by 100: Idle percentage = (1 - 0.8333) * 100 ≈ 16.67%. Therefore, Judy is idle approximately 16.67% of the time. (b) Average waiting time for a student:

The average waiting time in a queue (Wq) can be calculated using Little's Law: Wq = Lq / λ, where Lq is the average number of customers in the queue and λ is the arrival rate. In this case, λ (arrival rate) = 1 customer per 12 minutes, and Lq can be calculated using the queuing formula: Lq = ρ^2 / (1 - ρ). Plugging in the values: Lq = (5/6)^2 / (1 - 5/6) = 25/6 ≈ 4.17 customers Wq = Lq / λ = 4.17 / (1/12) = 50 minutes. Therefore, on average, a student spends approximately 50 minutes waiting in line.

(c) Average length of the line: The average number of customers in the system (L) can be calculated using Little's Law: L = λ * W, where W is the average time a customer spends in the system. In this case, λ (arrival rate) = 1 customer per 12 minutes, and W can be calculated as W = Wq + 1/μ, where μ is the service rate (1/10 customers per minute). Plugging in the values: W = 50 + 1/ (1/10) = 50 + 10 = 60 minutes. L = λ * W = (1/12) * 60 = 5 customers. Therefore, on average, the line consists of approximately 5 customers.

(d) Probability of finding at least one student waiting in line: The probability that an arriving student finds at least one other student waiting in line is equal to the probability that the system is not empty. The probability that the system is not empty (P0) can be calculated using the formula: P0 = 1 - ρ, where ρ is the utilization. Plugging in the values:

P0 = 1 - 0.8333 ≈ 0.1667. Therefore, the probability that an arriving student will find at least one other student waiting in line is approximately 0.167.

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Answer:

cylinder A is 141.3 meters

cylinder b is 245.5 meters

Step-by-step explanation:

Cylinder a: 3x3x5x3.14

cylinder B : 5x5x3x3.14

The true statement about h(x) is: The function is increasing on the interval [0, ∞).

A linear function can be represented by a line. The standard form for this equation is: ax+b , for example, y=2x+7. Where:

a= the slope.If:

             a> 0 , the function is increasing;

             a< 0 , the function is decreasing;

b=the constant term that represents the y-intercept.

The domain of a function is the set of input values for which the function is real and defined. In other words, when you define the domain, you are indicating for which values x the function is real and defined.

While the domain is related to the values ​​of x, the range is related to the possible values ​​of y that the function can have.

You should convert the text of the question into a math expression.

\(h(x)=3*\sqrt{x}\)

Like the coefficient a is greater than zero (a>0), the function is increasing.

The equation has a square root, so, the values of x can not present negative values. Therefore, x≥0. Consequently, the values of y (range) for this function will be greater than or equal to zero (y≥0). See the attached image.

The range is:

\({Solution:}\:&\:f\left(x\right)\ge \:0\:\\Notation:}&\:[0,\:\infty \:)\end{bmatrix}\)

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Answer:

Step-by-step explanation:

We can use combinations

20 choose 4:

20!/(16!*4!)

= (20*19*18*17)/4!

= 4845

Answer:

136.35

Step-by-step explanation: