Which of these relations is a function?
I’m I correct??

The value of b of the equation is -9/5

Given that: line JK passes through points J(-4,-5) and K(-6,3) and if the equation of the line is written in slope-intercept form, y=mx+b

The equation of line is an algebraic form of representing the set of points, which together form a line in a coordinate system

Using the y-y₁/y₂-y₁ = x-x₁/x₂-x₁

where (x₁, y₁) = (-4,-5) and (x₂, y₂) = (-6,3), the equation is:

y-(-5) / 3-(-5) = x-(-4)/-6-(-4)

y+5 / 3+5 = x+4 /6+4

(y+5)/8 =  (x+4)/10       cross multiply:

10(y+5) = 8(x+4)

10y + 50 = 8x + 32

10y = 8x +32 - 50

10y = 8x - 18

y = 8x/10 - 18/10

y = 4x/5 - 9/5

Comparing y = 4x/5 - 9/5 with y=mx+b

b = -9/5

Therefore, the value of b is -9/5

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Answer:

\(gradient = - 3 \\ - 3 = \frac{(8 + 1)}{( - 2 - k)} \\ 3(2 + k) = 9 \\ 2 + k = 3 \\ k = 1\)

Answer:

Step-by-step explanation:

2p - q + 4 - ( p - q )

2p - q + 4 - p + q

By rearranging the terms

2p - p + 4

( you might think where -q and +q went ???

They are cancelled because they have opposite signs )

∴The answer is p + 4

Hope it helps

plz mark as brainliest!!!!!!!

Answer:

\(\boxed{p+4}\)

Step-by-step explanation:

It will be like

=> (2p - q + 4) - (p-q)

=> 2p-q+4-p+q

Combining like terms

=> 2p-p-q+q+4

=> p+4

Answer:

89.7

Step-by-step explanation:

Answer:

y= \(\frac{5}{6} x\) + 4

Step-by-step explanation:

Pick two points: (-6,-10) and (0,4)

Then solve for m (slope): I picked (0,4)

\(m= \frac{4-(-1)}{0-(-6)} =\frac{5}{6}\)

Then put in slope intercept form:

4= \(\frac{5}{6} (0)\) + b

4=b

Then put in final form:

y= \(\frac{5}{6} x\) + 4

Hope this helps!

Answer:

y=5/6x+4

Step-by-step explanation:

We can conclude that -

In mathematics, an expression or mathematical expression is a finite combination of symbols that is well-formed according to rules that depend on the context.

Given is that the regular price on a pair of jeans is $54. The store advertises a back-to-school sale at 40% off the regular price of the jeans. Two weeks later, the store advertises a sale at an additional off the sale price of these jeans at 5%.

Original price -

$54

Cost after 40% discount -

54 - {40% of 54}

54 - {40/100 x 54}

54 - {2/5 x 54}

54 - 21.6

$32.4

Cost after 5% discount -

32.4 - {5% of 32.4}

32.4 - {5/100 x 32.4}

32.4 - 1.62

$30.78

{ 3 } -

Calculating 60% of new price -

60% of 30.78

(60/100) x 30.78

18.5

Calculating 40% of new price -

40% of 30.78

(40/100) x 30.78

12.4

So, 60% of new price is greater than calculating 40%.

So, Manny is correct.

Therefore, we can conclude that -

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Answer:

72

Step-by-step explanation:

you is correct good job

Answer:

$4.50 per book

Step-by-step explanation:

Answer:

340 feet

Step-by-step explanation:

To get the number of feet, we simply make an addition of the number of feet dug on both days

The total will be 175 feet + 165 feet = 340 feet

Answer:

your answer will be A

Step-by-step explanation:

have a nice day/ night

The approximate area of the tire without the rim is approximately 1570 square inches.

To calculate the approximate area of the tire without the rim, we can subtract the area of the rim from the area of the entire tire.

The area of a circle is given by the formula:  

\(A = \pi r^2,\)

where A represents the area and r represents the radius.

Let's calculate the area of the entire tire first:

Area of the entire tire \(= \pi (30 inches)^2\)

Next, let's calculate the area of the rim:

Area of the rim \(= \pi (20 inches)^2\)

Finally, we can subtract the area of the rim from the area of the entire tire to find the approximate area of the tire without the rim:

Approximate area of the tire without the rim = Area of the entire tire - Area of the rim

Approximate area of the tire without the rim \(= \pi (30 inches)^2 - \pi (20 inches)^2\)

Now we can calculate the approximate area:

Approximate area of the tire without the rim = π(900 square inches) - π(400 square inches)

Approximate area of the tire without the rim = π(500 square inches)

Since π is approximately equal to 3.14, we can further approximate the area:

Approximate area of the tire without the rim ≈ 3.14(500 square inches)

Approximate area of the tire without the rim ≈ 1570 square inches.

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The Riemann Hypothesis is a conjecture in mathematics that states that all non-trivial zeros of the Riemann zeta function lie on a specific line in the complex plane, known as the critical line.

This critical line is defined as the set of complex numbers with a real part equal to 1/2. Additionally, the hypothesis suggests that the only other zeros of the zeta function are the negative even integers.

The Riemann zeta function is an important mathematical function that arises in number theory and has connections to prime numbers. The Riemann Hypothesis has been a central problem in mathematics for over a century, and its truth or falsehood has significant implications for the distribution of prime numbers.

Despite extensive efforts, the hypothesis remains unproven, and its proof or disproof continues to be an active area of research.

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A. Manager A wants the decision to be 0.4, so they would recommend a decision of 0.4 to the principal.

B. The recommendations in the Nash equilibrium would be rA = 0.4 and rB = 0.7.

(a) If Manager B always truthfully reports the state of the economy (s = 0.7), Manager A would send a recommendation that minimizes their disutility Ua. In this case, Manager A wants the decision to be 0.4, so they would recommend a decision of 0.4 to the principal.

(b) In a Nash equilibrium, both managers strategically make their recommendations based on their own utility. Manager A wants to minimize their disutility Ua, which increases as the decision deviates from 0.4. Manager B wants to minimize their disutility UB, which increases as the decision deviates from 0.7.

To find the Nash equilibrium, we need to consider the recommendations made by both managers simultaneously. Let's denote the recommendations as rA (from Manager A) and rB (from Manager B). The principal's decision, d, would be the average of the recommendations, so d = (rA + rB) / 2.

Given that both managers strategically choose their recommendations, they will aim to minimize their disutility. In this case, Manager A would recommend a decision of 0.4 (as it minimizes Ua), and Manager B would recommend a decision of 0.7 (as it minimizes UB). Therefore, the recommendations in the Nash equilibrium would be rA = 0.4 and rB = 0.7.

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The best answer regarding the effects of carbon monoxide is option c, CO results in less oxygen loading hemoglobin but unloading is not changed.

Carbon monoxide binds up more tightly to the hemoglobin as compared to the oxygen molecules. This reduces the oxygen-carrying capacity of the blood and results in less oxygen loading onto hemoglobin.

However, once oxygen is already bound to hemoglobin, CO does not significantly affect its release or unloading. Therefore, option c is the most accurate statement among the given choices.

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Answer:

sorry i wish i knew how but i would like to give you aomething other than an answer for your question and i hope this is ok.

Step-by-step explanation:

every day is a new day and a new opportunity to change the world no matter how BIG or how small.  even if you make mistakes. always remember this though. whatever you put into the world, whether it be good or bad, it will always come back three times.

meaning that when you do something good something three times as good will happen to you. The same is so for bad except it would be 3 times as bad as will happen to you.   I hope your day is great and may you do many great things.

Answer:

Step-by-step explanation:

The slope of a perpendicular line, to one that has slope of 2, is the negative inverse of the reference slope.  The negative inverse of 2 is -(1/2).  The perpendicur line will have the form y = -(1/2)x + b, where b is the y-intercept.  Any value of b will produce a perpendicular line to one that has slope of 2, but this line needs to go through point (0,-3).  To find the value of b that would make this happen, just use that point in the equation y = -(1/2)x + b and solve for b:

y = -(1/2)x + b

-3 = -(1/2)*(0) + b

b = -3

The equation becomes y = -(1/2)x - 3

I graphed this versus a line with slope 2 and y-intercept of 2:  y=2x+2

Answer:

x=−0.0151745 i think and make sure that you put it on negative

Step-by-step explanation:

Answer:

The area of the base of the cylinder is 12.25π square inches. The volume of the cylinder is 147π cubic inches.

Step-by-step explanation:

Area of the base of the cylinder:

We need to find the area of the circle on top of the cylinder which has a radius of 3.5 in. We know that:

A = πr^2

A = π × 3.5^2

= π × 12.25

= 12.25π square inches

Volume of the cylinder:

We know that the area of the base is 12.25π square inches. From the diagram, the height of the cylinder is 12 in.

V = Area of the base × height

= 12.25π square in × 12 in

= 147π cubic inches

Answer:

x=5

Step-by-step explanation:

3x^2=15x

Subtract 15x from both sides

3x^2-15x=0

Factor out 3x

3x(x-5)=0

Since 0 divided by any number is zero, we get that:

x-5=0

x=5

Answer: 7

Step-by-step explanation:

Use PEMDAS method to solve.

This means to solve all the numbers in order.

----------------------------------------------------------------

 1 + 2 × 3

=1 + 6 ⇔ First do multiplication

=7 ⇔ Then do division

The solution for x in terms of a, c, p and q is given by x = (3c - 4a)/(5p - aq).

The given equation is 5px - 3c = a(qx - 4).

To solve the equation for x, we can start by isolating the terms with x on one side of the equation.5px - 3c = a(qx - 4)

Multiplying out the brackets on the right hand side, we get:5px - 3c = aqx - 4a

Rearranging this equation:5px - aqx = 3c - 4a

Factorising the left hand side: x(5p - aq) = 3c - 4a

Dividing both sides by (5p - aq):x = (3c - 4a)/(5p - aq)

Therefore, the solution for x in terms of a, c, p and q is given by x = (3c - 4a)/(5p - aq).

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Answer:

SOMEBODY ANSWER THIS

Step-by-step explanation:

PLEASE

Answer:

25

Step-by-step explanation:

(y+2)^2=x

(-7+2)^2=x

(-5)^2=x

(-5)(-5)=x

25=x

Hope that helps :)

Answer:

x=25

Step-by-step explanation:

Plug it innnn plug it innnn

Answer:

x = 5

Step-by-step explanation:

Add all of the angles together. We know that the third one is 90° because it is a right triangle and the little square indicates a 90° angle.

7x + 16 + 39 + 90 = 180

Simply.

7x + 145 = 180

     -145    -145

7x = 35

/7      /7

x = 5

^-^

Solution:

Note that:

Simplify the equation:

Answer:

I think it will be (x+7)^2 =16

I'm not for sure but I think this is it.

Step-by-step explanation:

Answer:

46

Step-by-step explanation:

Since we know the value of the variable c, we can substitute 20 for c

2c + 6

2(20) + 6

40 + 6

46

Answer:

#1 yes #2

Step-by-step explanation:

I added comments on why it is correct

Answer:

-3/8 is the slope of the line

Step-by-step explanation:

The square root of 4761 is equal to 21√(7).

To find the square root of 4761, we can use a method called prime factorization to simplify the number and then extract the square root of its factors. Here's how we can do it:

First, we need to find the prime factors of 4761. We can do this by dividing the number by the smallest prime factors and working our way up. We find that 4761 is divisible by 3, so we can start with that:

4761 ÷ 3 = 1587

Next, we can see that 1587 is not divisible by 3, but it is divisible by 7:

1587 ÷ 7 = 227

We can stop here because 227 is a prime number. Therefore, we can express 4761 as the product of its prime factors:

4761 = 3 × 3 × 7 × 7 × 7

Now, we can simplify the square root of 4761 by breaking it down into the square roots of its factors:

√(4761) = √(3 × 3 × 7 × 7 × 7)

We can group the factors into pairs of identical numbers, as follows:

√(3 × 3 × 7 × 7 × 7) = √(3 × 3) × √(7 × 7) × √(7)

We can simplify the square roots of the pairs:

√(3 × 3) × √(7 × 7) × √(7) = 3 × 7 × √(7)

Therefore, the square root of 4761 is equal to 21√(7). This is the exact, simplified form of the square root of 4761.

Note that if we want an approximate decimal value for the square root of 4761, we can use a calculator or estimation methods to get an answer of about 69.062.

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