Line JK passes through points J(-4,-5) and K(-6, 3). If the equation of the line is written in slope-intercept form, y = mx + b,
what is the value of b?
-21
-4
11
27
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The half life period is the time in which only half of the given population remains. It can be represented through this equation:

\(f(t)=a\times(1/2)^{\frac{t}{h}}\)

We're given:

For most questions like this, we would have to plug these values into the equation mentioned above. However, this question asks for the time elapsed after 3 half-lives.

This can be calculated simply by multiplying the given half-life by 3:

28 million years x 3

= 84 million years

84 million years

Answer:

If you are trying to say 4/1 of the sum of 18 and 6, it would be 96

Step-by-step explanation:

4 * (18 + 6) = 96

if you did not mean 4/1 of the sum of 18 and 6, correct the question so it is more readable to me, and I will change it to the answer for your question

Answer:

i need more info about this

Step-by-step explanation:

Answer:

okkk........

Step-by-step explanation:

wellllllllllllllllllllllllllllllllllllll fire

Step-by-step explanation:

The float value 3.14 can be represented as a literal in programming languages such as Python by using the notation "3.14".

This notation is used to directly express the decimal number with two decimal places. In programming, float literals are used to represent real numbers with fractional parts.

The "3.14" literal specifically represents the mathematical constant pi, which is commonly used in various mathematical and scientific calculations.

The use of the dot (.) as a decimal point signifies the separation between the integer and fractional parts of the number. This notation allows the float value 3.14 to be easily identified and used in computations or assignments within a programming context.

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The Composite Trapezoidal rule is used to approximate the given integrals. In part (a), the integral \(\( \int_{1}^{2} x \ln x \, dx \)\) is approximated using \(\( n = 4 \)\)subintervals. In part (b), the integral\(\( \int_{2}^{2} x^{3} e^{x} \, dx \)\) is given with incorrect limits, so it cannot be evaluated.

To approximate \(\( \int_{1}^{2} x \ln x \, dx \)\) using the Composite Trapezoidal rule, we divide the interval \(\([1, 2]\) into \( n = 4 \)\) subintervals. The step size, \(\( h \)\), is calculated as\(\( h = \frac{b-a}{n} = \frac{2-1}{4} = \frac{1}{4} \)\). Then, we evaluate the function \(\( x \ln x \)\)at the endpoints of each subinterval and sum the areas of the trapezoids formed. The approximation formula for the Composite Trapezoidal rule is: \(\[\int_{a}^{b} f(x) \, dx \approx \frac{h}{2} \left[ f(a) + 2\sum_{i=1}^{n-1} f(x_i) + f(b) \right]\]\)

Using this formula, we can calculate the approximation for the given integral. The limits of the integral \(\( \int_{2}^{2} x^{3} e^{x} \, dx \)\) are given as \(\( 2 \)\) to 2 which indicates an interval of zero length. In this case, the integral cannot be evaluated since there is no interval over which to integrate.

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There is an 8.04% chance that the nation is located in south Asia.by the average startup costs as a percentage of the per capita gross national income (GNI).

The term "gross national income" (GNI) is used to refer to the sum of the gross domestic product (GDP) and net foreign earnings from the payment of wages, property income, and net taxes (net taxes minus production subsidies).To determine the likelihood that a country is in the South Asia region.

Given

that Shreya classified the country's business startup costs as high, given that she divided the country's average startup costs by its region and by the average startup costs as a percentage of the per capita gross national income (GNI) for a specific year, and given that she determined that 7 of the 87 high-cost countries belong

87 = 100

7 = X

7 x 100/87 = X

700/87 = X

8.04 = X

Thus, there is an 8.04% likelihood that the nation is in South Asia.

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Answer:

7/87

Step-by-step explanation:

khan

Postulates, corollaries, and common notions are the three main types of reasoning we will use for reasons in the right- hand of column.

A two-column geometric proof consists of a list of statements, and the reasons that we know those statements are true. The statements are listed in a column on the left, and the reasons for which the statements can be made are listed in the right column.

Postulates, corollaries, and common notions are the three main types of reasoning we will use for reasons in the right- hand of column.

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Answer:

The expression equivalent to 3( x - 9) Is

3(x) - 3(9)

3x-27

3(x)-3(9)= 3x-27

Answer:

the answer is B (x+9)(x+5)

For given expression, solution will be y=(t-1)/(1+t).

What are expressions?

Expressions in math are mathematical statements that have a minimum of two terms containing numbers or variables, or both, connected by an operator in between. The mathematical operators can be of addition, subtraction, multiplication, or division. For example, x + y is an expression, where x and y are terms having an addition operator in between. In math, there are two types of expressions, numerical expressions - that contain only numbers; and algebraic expressions- that contain both numbers and variables.

e.g. A number is 6 more than half the other number, and the other number is x. This statement is written as x/2 + 6 in a mathematical expression. Mathematical expressions are used to solve complicated puzzles.

Now,

Given expression is t^2dy/dt-t=1+y+ty

After differentiation : As (d/dx) (x^n ) = nx^{n-1}

2t-t=1+y+ty

t-1=y(1+t)

y=(t-1)/(1+t)

for y(1)=2

2+2t=1-t

3t=-1

t=-1/3

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980g of sulphuric acid (H₂SO₄) is needed to prepare 5.0L of a 2M solution.

So, the grams of H₂SO₄ needed will be:

Therefore, 980g of sulphuric acid (H₂SO₄) is needed to prepare 5.0L of a 2M solution.

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Log x+y = logbx − logbyGiven log630 ≈ 1.898 and log62 ≈ 0.387, log615 ≈ 2.086.

Given log 630 ≈ 1.898 and log 62 ≈ 0.387,

We have log 630 = log (6 * 62 * 10) = log 6 + log 62 + log 10 = 1 + 0.387 + 1 = 2.387

And log 615 = log (6 * 62 * 5) = log 6 + log 62 + log 5 = 1 + 0.387 + 0.699 = 2.086

So, log 615 ≈ 2.086

In the example given, log 630 ≈ 1.898 and log 62 ≈ 0.387. These logarithmic values are used to simplify other logarithmic expressions and, the logarithm of 615 was found to be approximately 2.086.

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Answer:

see below

Step-by-step explanation:

The age is not a proportional relationship because it does not go through the point (0,0)

The hours is a proportional relationship.  It goes through the point (0,) and has a constant slope

Answer:

3. NO

4. YES

Step-by-step explanation:

A proportional relation is of the form:

y = kx

Note that the y-intercept has to be 0, and slope should be constant

First one (Height against age) is not proportional because the intercept is 30, not 0

Second one (Time against distance) is proportional because the slope is constant and the y-intercept is 0

Answer:

Step-by-step explanation:

To make 'x' as the subject isolate 'x'.

To isolate 'x',

Step 1: Multiply the entire equation by q

Step 2: Then Divide by T

\(q*\dfrac{Tx}{q}=q*y\\\\\\Tx=qy\\\\\dfrac{Tx}{T}=\dfrac{qy}{T}\\\\\\x=\dfrac{qy}{T}\)

Answer:

x = qy/T

Step-by-step explanation:

We want to isolate the x term. To do that, first multiply by q to end up with Tx = qy.

Then divide by T to get x = qy/T.

x is by itself, and we have our answer.

Answer:

the answer is 986 more of the bag

Step-by-step explanation:

1012 - 36 = 986

Answer:

1 and 4 come in yes and 2 and 3 come into no mark as brainliest

Answer:

do you like burger or pizza

Answer:

$3616.60 is the amount of money Ashley would pay

Step-by-step explanation:

Hey there user! Looks like you need help! If you don't get how I got the answer, look below!

The whole work I did:

(2400 + 980) x 1.07 = 3616.6

Answer:

B

Step-by-step explanation:

∠ 1 and ∠ 2 are Alternate exterior angles and are congruent, thus

∠ 2 = ∠ 1 = 34° → B

The statement that shows a discrepancy between the check register and bank statement is: C. Gavin: The balance in his check register is $500 and the balance in his bank statement is $510.

The check register shows a balance of $500, while the bank statement shows a balance of $510.

In the case of Gavin, where the balance in his check register is $500 and the balance in his bank statement is $510, there is a $10 discrepancy between the two.

A possible explanation for this discrepancy could be outstanding checks or deposits that have not yet cleared or been recorded in either the check register or the bank statement.

For example, Gavin might have written a check for $20 that has not been cashed or processed by the bank yet. Therefore, the check register still reflects the $20 in his balance, while the bank statement does not show the deduction. Similarly, Gavin may have made a deposit of $10 that has not yet been credited to his account in the bank statement.

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Answer:

11 = (15 -6r) + 2r

11= 15-6r+2r

11=15-4r

4=4r

r=1

Answer: -57

Step-by-step explanation:

-50+21/-3

-50+-7

-57

Answer:

2,304 Inches

(づ￣ ³￣)づhave A nice day

The value of the integral is 32.

The integral you want to evaluate is ∫∫∫E(xz−y³)dV, where E = (x, y, z) with -1≤x≤3, 0≤y≤4, and 0≤z≤1.

To evaluate the integral using three different orders of integration, we will proceed with the following steps:

1. Order: dxdydz
  ∫(from -1 to 3) ∫(from 0 to 4) ∫(from 0 to 1) (xz - y³) dz dy dx

2. Order: dxdzdy
  ∫(from -1 to 3) ∫(from 0 to 1) ∫(from 0 to 4) (xz - y³) dy dz dx

3. Order: dydxdz
  ∫(from 0 to 4) ∫(from -1 to 3) ∫(from 0 to 1) (xz - y³) dz dx dy

After solving these integrals, you will find that all three orders of integration yield the same result: the value of the integral is 32.

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When graphing an exponential function, a T-chart is commonly used to determine the values. The correct answer is option A.

The T-chart employs positive real numbers since this is the most typical form of exponential function.

Exponential functions are utilized to represent processes that increase or decrease exponentially, as well as to model phenomena in many different disciplines, including science, economics, and engineering.

The exponential function can be represented by the following equation:

\(y=a^x\), where a is the base, x is the exponent, and y is the outcome.

When a is a positive number greater than one, the function is called exponential growth, while when a is a fraction between 0 and 1, the function is called exponential decay.

The T-chart is used to determine the values to use in the graph and connect the dots as required. Positive real numbers are used as the values in the T-chart in order to effectively graph the exponential function.

Therefore, the correct answer is option A.

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Answer:

y=3x+2

Step-by-step explanation:

The student answered 27 out of 30 questions correctly on the history test, achieving a 90% accuracy rate.

To calculate the number of questions the student answered correctly, we can multiply the total number of questions (30) by the percentage of questions answered correctly (90%). The calculation is as follows:

Number of questions answered correctly = Total number of questions × Percentage of questions answered correctly

= 30 × 0.90

= 27

Therefore, the student answered 27 questions correctly on the history test.

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The line that passes through the points (1, 7) and (10, 1) has a slope of -2/3.

The slope of a line is a measure of its steepness and is defined as the change in the y-coordinate over the change in the x-coordinate between any two points on the line.

The slope of the line that passes through the pair of points (1, 7) and (10, 1) can use the slope formula.

The slope formula states that the slope of a line passing through two points, (x1, y1) and (x2, y2), is given by:

slope = (y2 - y1) / (x2 - x1)

(x1, y1) = (1, 7) and (x2, y2) = (10, 1).

Substituting the values into the formula, we get:

slope = (1 - 7) / (10 - 1)

= -6 / 9

= -2/3

The slope of the line as follows:

For every one unit increase in the x-coordinate the y-coordinate decreases by 2/3 units.

Alternatively for every one unit increase in the x-coordinate the line drops by 2/3 units.

The slope of a line is useful in many applications such as calculating the rate of change of a quantity over time measuring the angle between two lines and determining whether lines are parallel or perpendicular.

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