Please solve in the substitution method only 3x + 2y = 12x = 2/3 y

Answer:

To obtain a Brainlist, you must provide exceptional answers with solutions. If the questioner believes that your answer is exceptional, they may offer a Brainliest award using the award icon in the bottom right after two people have answered or a week of the solution pending. Selecting the Brainliest icon is greatly appreciated as it is essential for proceeding with Brainly ranks.

Answer:

This answer is farley easy but all u need to do is answer alot of question and just take it one step further so it makes you sound smarter, Then if the prerson that is asking the question thinks that ur answer is the best they will more than likely pick u as brianliest

I hoped this helped

The temperature of the liquid at noon would be of:

-2.25ºC.

The linear function in this problem is defined in the slope-intercept format, as follows

y = mx + b.

In which the coefficients of the function are given as follows:

The values of these coefficients are given as follows:

m = -3/4, b = 0.

Then the function that gives the temperature in x hours after 9 A.M. is of:

y = -3/4x.

Noon is three hours after 9 A.M., hence the estimate is given as follows:

y = -3/4(3) = -9/4 = -2.25ºC.

The problem states that the initial temperature is of 0ºC at 9 A.M.

More can be learned about linear functions at https://brainly.com/question/24808124

#SPJ1

Answer:

Step-by-step explanation:

a.

moderate or week negative correlation

b.

(8, 8200) are the approximate  coordinates of the collector's classic

Step-by-step explanation:

much. Write down the coordinates of the cross that you think represents this car on the graph

Answer:

True

Step-by-step explanation:

TRUE.  y = -1 is a horizontal line.  A line perpendicular to this horizontal line is a vertical line whose slope is not defined.

There are 210 ways we can give 4 different prizes to any 4 of 10 people if no person receives more than 1 prize.

To calculate the number of ways we can do this, we can use the formula for combinations. The formula for the number of ways to choose r objects from a set of n objects is:

ⁿCₓ = n! / x!(n-x)!

where n! represents the factorial of n, which is the product of all positive integers up to n.

5! = 5 x 4 x 3 x 2 x 1 = 120.

In this problem, we want to choose 4 people from a set of 10, so we can use the formula:

¹⁰C₄ = 10! / 4!(10-4)!

Simplifying this expression, we get:

¹⁰C₄ = (10 x 9 x 8 x 7) / (4 x 3 x 2 x 1)

¹⁰C₄ = 210

To know more about combination here

https://brainly.com/question/28998705

#SPJ4

To find out how many cups of mango nectar Suzette added, we need to subtract the combined amount of orange juice and pineapple juice from the total volume of the punch, which is 8 cups. Therefore Suzette added 9/4 cups of mango nectar to the punch bowl for her party.

The amount of orange juice used is 2 1/4 cups, which can be expressed as a mixed number or converted to an improper fraction as 9/4 cups. The amount of pineapple juice used is 3 1/2 cups, which can be expressed as a mixed number or converted to an improper fraction as 7/2 cups.

Now, let's calculate the sum of orange juice and pineapple juice: 9/4 + 7/2 = (9/4) + (14/4) = 23/4 cups. To determine the amount of mango nectar added, we subtract the sum of orange juice and pineapple juice from the total punch volume: 8 - 23/4 = (32/4) - (23/4) = 9/4 cups. Therefore, Suzette added 9/4 cups of mango nectar to the punch.

To learn more about volume of container click here:

brainly.com/question/14502141

#SPJ11

Answer:

100 feet

Step-by-step explanation:

The fence goes around the patio. It has to be 30ft across the top and bottom each. And 20ft up and down the left and right sides.

Perimeter (all the way around)

= 20+30+20+30

= 100

The fence will need to be 100ft long.

Curves c1 and c2 that are not closed are curve c1 is given by (x(t), y(t)) = (t, t) for t ∈ [0, 1] and curve c2 is given by (x(t), y(t)) = (t, t²) for t ∈ [0, 1],

To find curves c1 and c2 that are not closed and satisfy the equation f = ∇f, where f(x, y) = sin(x − 7y), we need to find vector fields that are equal to their own gradients.

The gradient of a function f(x, y) is given by ∇f = (∂f/∂x, ∂f/∂y). In this case, we have f(x, y) = sin(x − 7y). Let's compute its partial derivatives:

∂f/∂x = cos(x − 7y)

∂f/∂y = -7cos(x − 7y)

We need to find vector fields F(x, y) = (F₁(x, y), F₂(x, y)) such that F = ∇f. Equating the components, we have:

F₁(x, y) = ∂f/∂x = cos(x − 7y)

F₂(x, y) = ∂f/∂y = -7cos(x − 7y)

Now, we have the vector field F = (cos(x − 7y), -7cos(x − 7y)).

To find the curves c1 and c2, we can use the concept of line integrals. Let's integrate the vector field F along two different paths, which are not closed, to obtain the desired curves.

For c1, let's consider the straight line segment from (0, 0) to (1, 1). Parameterizing this line segment, we have x = t and y = t, where t ∈ [0, 1]. Substituting these parameterizations into F, we get:

F₁(t) = cos(t - 7t) = cos(-6t) = cos(-6t)

F₂(t) = -7cos(t - 7t) = -7cos(-6t) = -7cos(-6t)

Therefore, the curve c1 is given by (x(t), y(t)) = (t, t) for t ∈ [0, 1], and its corresponding vector field is F = (cos(-6t), -7cos(-6t)).

For c2, let's consider the parabolic curve y = x² in the interval [0, 1]. Parameterizing this curve, we have x = t and y = t², where t ∈ [0, 1]. Substituting these parameterizations into F, we have:

F₁(t) = cos(t - 7t²) = cos(-6t² + t)

F₂(t) = -7cos(t - 7t²) = -7cos(-6t² + t)

Therefore, the curve c2 is given by (x(t), y(t)) = (t, t²) for t ∈ [0, 1], and its corresponding vector field is F = (cos(-6t² + t), -7cos(-6t² + t)).

These curves, c1 and c2, are not closed and satisfy the equation f = ∇f.

Learn more about vector fields here:

https://brainly.com/question/14122594

#SPJ11

Answer:

54

Step-by-step explanation:

686779496080807

Answer:

she does not make a mistake.

Step-by-step explanation:

Maura writes an expression equivalent to 8a-(-3-5a)-2a. Her work is shown below. 8a-(-3-5a)-2a Step 1: 8a+3-5a-2a Step 2: (8a-5a-2a)+3 Step 3:(3a-2a)+3 Step 4: a+3 In what step does Maura make a mistake? Describe her error and find the correct equivalent expression.

In 'Step 1', Maura make a mistake.

And, The correct equivalent expression for Step 1 is;

⇒ 8a + 3 + 5a - 2a

Mathematical expression is defined as the collection of the numbers variables and functions by using operations like addition, subtraction, multiplication, and division.

Given that;

The expression is,

⇒ 8a - (- 3 - 5a) - 2a

Now,

Since, All the steps are;

Step 1: 8a + 3 - 5a - 2a

Step 2: (8a-5a-2a) + 3

Step 3: (3a-2a) + 3

Step 4: a + 3

And, The expression is,

⇒ 8a - (- 3 - 5a) - 2a

Clearly, Step 1 is wrong because it equivalent to;

⇒ 8a - (- 3 - 5a) - 2a

Step 1; 8a + 3 + 5a - 2a

Thus, In 'Step 1', Maura make a mistake.

And, The correct equivalent expression for Step 1 is;

⇒ 8a + 3 + 5a - 2a

Learn more about the mathematical expression visit:

brainly.com/question/1859113

#SPJ5

Answer: For three hours of work, she'll get paid $54. For 2.1 hours of work she'll get paid $37.8

Hope this helps you.

Answer:

$54, $37.8

Step-by-step explanation:

3 hrs=$54, 2.1 hrs=$37.8

can i have brainlyest please

Answer:

3

Step-by-step explanation:

A = 3 × (1ft)²

A = 3 × 1 ft²

A = 3ft²

Answer:

C

Step-by-step explanation:

Multiply by 12 on both sides.

Start with step one

y/3 - 1/4 = 5              Multiply both sides by 12

12(y/3 - 1/4) = 5*12

12*y/3 - 12 * 1/4 = 60

3 goes into 12 four times

4 goes into 12 three times. In both cases you are cancelling.

4y - 3 = 60

109x is the expression that could be used to determine the total number of cupcakes made given that a parent made x cupcakes for each of the 109 students in the fourth grade. This can be obtained by forming the algebraic expression for the given conditions.

Given that,

A parent made x cupcakes for each of the 109 students in the fourth grade.

The total number of students in the class = 109

The number of cupcakes one student gets = 1 × x = x

⇒ The number of cupcakes 109 student gets = 109 × x = 109x

Hence 109x is the expression that could be used to determine the total number of cupcakes made given that a parent made x cupcakes for each of the 109 students in the fourth grade.

Learn more about algebraic expression here:

brainly.com/question/953809

#SPJ1

Answer:

Step-by-step explanation

Man its hard...

The probabilities of spinning a 3 are given as follows:

The parameters that are needed to calculate the probability are given as follows:

For the theoretical probability, we have that out of 5 regions, one is the 3, hence the probability is given as follows:

1/5.

For the experimental probability, we have that:

Hence:

16/70 = 8/35.

Learn more about the concept of probability at https://brainly.com/question/24756209

#SPJ1

Answer:

11 percent, I believe but you should check with other answers

Step-by-step explanation:

what I did was add the times together and then multiply 7 by 24 and got 168 because they are playing 20 hour a week, then I divided 20 by 168 and got  0.11 so I just turned that into a percent by moving the decimal 2 digits to the right

Answer: 29 divided by 5123 is 0.005

I hope this helps :) (if not correct ask another person)

The second wedge has a greater volume by 4.125 cubic inches. Therefore, the correct option is 4.

To determine which cheese wedge has a greater volume, you need to calculate the volume of each triangular prism using the given dimensions.

For the first wedge:

1. Calculate the area of the base (isosceles triangle):

(base x height) / 2 = (2.5 in x 4.5 in) / 2 = 5.625 square inches

2. Calculate the volume of the prism:

base area x thickness = 5.625 sq in x 3 in = 16.875 cubic inches

For the second wedge:

1. Calculate the area of the base (isosceles triangle):

(base x height) / 2 = (3 in x 4 in) / 2 = 6 square inches

2. Calculate the volume of the prism:

base area x thickness = 6 sq in x 3.5 in = 21 cubic inches

To find which wedge has a greater volume and by how much, subtract the smaller volume from the larger volume:

21 cu in - 16.875 cu in = 4.125 cu in.

Therefore, the correct answer is option 4: The second wedge has a greater volume by 4.125 cubic inches.

Learn more about Triangular prism:

https://brainly.com/question/31637705

#SPJ11

Answer: A

Step-by-step explanation:

Plug in each domain for x one by one to get y/range = {-15, -7, -1, 9, 17}

FOR A RECIPROCAL OF FRACTION WE SWAP POSITIONS. WHATEVER WAS IN THE NUMERATOR BECOMES THE DENOMINATOR AND WHAT WAS IN THE DENOMINATOR BECOMES THE NUMERATOR.

THIS MEANS THAT AS A RESULTS WE HAVE

\( \frac{b}{b - 1} \)

ATTACHED IS THE SOLUTION.

Answer:

9.3 ft

Step-by-step explanation:

The probability of having exactly 2 girls and 3 boys (in that order) is (1/2) * (1/2) * (1/2) * (1/2) * (1/2) = 1/32.

To find the probability of having exactly 2 girls and 3 boys (in that order), we need to consider that each child has an independent probability of being a boy or a girl, which is 1/2 for each. Since we want exactly 2 girls and 3 boys, the probability can be calculated by multiplying the probabilities of having a girl and a boy five times in a row, resulting in (1/2) * (1/2) * (1/2) * (1/2) * (1/2) = 1/32.

For the probability of having at least one boy, we can consider the complement event, which is the probability of having all girls. The probability of having all girls can be calculated by multiplying the probability of having a girl five times, which is (1/2) * (1/2) * (1/2) * (1/2) * (1/2) = 1/32. Therefore, the probability of having at least one boy is 1 - 1/32 = 31/32.

In conclusion, the probability of having exactly 2 girls and 3 boys (in that order) is 1/32, and the probability of having at least one boy is 31/32.

Learn more about Probability : brainly.com/question/14740947

#SPJ11

Answer:

0, 1, and 2

This is the answer

Answer:

y=-2x+4

Step-by-step explanation:

y=mx+b

m is the slope so the equation looks like this:

y=-2x+b

Now we just need to find b or the y-intercept

so distribute -2 into x and 8 into y (x,y) (-2,8)

8=-2(-2)+b

Multiply -2 and -2 which is 4

8=4+b

Subtract by 4 on both sides:

b=4

So the equation is

y=-2x+4

Hope this helps!

The cost function for a drug manufacturer producing a generic drug is c(y) = 3\(y^{3}\) - 10\(y^{2}\) + 200y

The cost function is a cubic function with positive coefficients for the \(y^{3}\) term and negative coefficients for the \(y^{2}\) term, indicating increasing costs at a decreasing rate. The y term represents variable costs, such as raw materials and labor, while the constant term represents fixed costs, such as overhead expenses.

The shape of the cost function suggests that as the number of doses produced and sold increases, the costs initially rise rapidly due to the cubic term but start to increase at a slower rate due to the decreasing quadratic term. Eventually, the cost curve may reach a point where it starts to increase more rapidly again.

learn more about cost function here:

https://brainly.com/question/31385203

#SPJ11

The relationship between 3x+4y=1 and 6x+8y=2 is that they are parallel lines.

Any linear equation has the form of y=mx+b

m is the slope of the equation

b is the y-intercept

The easiest way to see the relationship between the two lines is to transform them both into slope-intercept form, which is y=mx+b.

Equation 1 can be rewritten as

3x+4y=1

4y=1-3x

y= \(\frac{1-3x}{4}\)

Equation 2 can be rewritten as:

6x+8y=2

8y=2-6x

y = \(\frac{2-6x}{8}\)

Y= \(\frac{1-3x}{4}\)

In this form, we can easily identify that both lines have a slope of \(-\frac{3}{4}\), but that they have different y-intercepts. Lines will equal slopes but different y-intercepts are parallel.

Therefore, the lines are parallel.

To know more about slope-intercept form and parallel lines, visit: https://brainly.com/question/1612114?referrer=searchResults

#SPJ4

Using the properties of multiplication to compare the expressions 3 to the eighth power and 3 to the fifth power x 3 to the third power, it can be seens that that the two expressions are equal to each other.

The properties of multiplication state that when multiplying two expressions with the same base, we can add their exponents together. This means that 3 to the fifth power x 3 to the third power is equal to 3 to the eighth power.

In mathematical notation, this looks like:

3^8 = 3^5 x 3^3

Using the properties of multiplication, we can add the exponents together:

3^8 = 3^(5+3)

Simplifying the exponent:

3^8 = 3^8

This shows that the two expressions are equal to each other. Therefore, we can conclude that 3 to the eighth power and 3 to the fifth power x 3 to the third power are the same value.

Note: The question is incomplete. The complete question probably is: Use the properties of multiplication to compare the expressions 3 to the eighth power and 3 to the fifth power x 3 to the third power.

Learn more about Properties of multiplication:  

https://brainly.com/question/876455

#SPJ11

we can use the law of conservation of energy. Since the two planets are released from rest, their initial kinetic energy is zero. Therefore, the speed of each planet as they crash together is approximately 5.99 × 10^3 m/s.

we can use the law of conservation of energy. Since the two planets are released from rest, their initial kinetic energy is zero. Therefore, the total initial energy is just the gravitational potential energy, given by:

\(U = -G * M^2 / r\)

where G is the gravitational constant, M is the mass of each planet (assumed to be equal), and r is the initial separation between them. We can then set the final kinetic energy to be equal to the initial potential energy (since the total energy is conserved), and solve for the final speed:

\((1/2) * M * v^2 = G * M^2 / r\)

\(v =\sqrt{(2 * G * M / r)}\)

Substituting the given values of G (6.674 × 10^-11 N m^2/kg^2), M (assuming Jupiter mass of 1.898 × 10^27 kg), and r (1.00 × 10^11 m), we get:

v = sqrt(2 * 6.674 × 10^-11 * 1.898 × 10^27 / 1.00 × 10^11) = 5.99 × 10^3 m/s

Therefore, the speed of each planet as they crash together is approximately 5.99 × 10^3 m/s.

Learn more about kinetic energy here:

https://brainly.com/question/999862

#SPJ11