Mathematics High School

(2x + 3y = 12
1-4x+6y=-2

Answers

Answer 1

Answer:

y=7/4 x=27/8

Step-by-step explanation:

alderba

Answer 2

Answer:

tama yung nasa unahang sagot matalino sya

Related Questions

Each chart has which three components (choose three)?
A. Forecast of customer
B. A center line representing the average
C. An upper line representing last week's sample
D. A lower line representing last week's sample
E. An upper line representing the maximum acceptable variation upwards
F. A lower line representing the maximum acceptable variation downwards
G. A center line representing the maximum acceptable variation centrally

Answers

Each chart consists of a center line representing the average, an upper line indicating the maximum acceptable deviation upwards, and a lower line indicating the maximum acceptable deviation downwards. These components help analyze data and monitor process performance.Option B,E,F.

Each chart has the following three components:

1. B. A center line representing the average: This line is drawn to show the average value or mean of the data being analyzed. It provides a reference point to compare the data points above and below it.

2. E. An upper line representing the maximum acceptable variation upwards: This line is drawn to indicate the upper limit of acceptable variation or deviation from the average. It helps identify if the data points exceed the acceptable range.

3. F. A lower line representing the maximum acceptable variation downwards: This line is drawn to indicate the lower limit of acceptable variation or deviation from the average. It helps identify if the data points fall below the acceptable range.

These three components together create a control chart, which is a graphical representation used in statistical process control. Control charts help monitor and analyze data over time, allowing organizations to identify trends, detect abnormalities, and make data-driven decisions to improve processes and quality.

In summary, each chart consists of a center line representing the average, an upper line indicating the maximum acceptable deviation upwards, and a lower line indicating the maximum acceptable deviation downwards. These components help analyze data and monitor process performance.

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the interpretation of the slope is different in a multiple linear regression model as compared to a simple linear regression model. t or f

Answers

True. the interpretation of the slope is different in a multiple linear regression model as compared to a simple linear regression model.

what is slope in statistics?

The slope and intercept of a line reveal the steepness of the line and the location in which it intersects an axis. The slope and intercept of the logistic relationship of the two variables can be utilized to get the average change rate. The ratio of a change in the variable y to the rise in the x component is known as the the line's slope.

Briefing:

Y = a + bX, where X seems to be the mediating variable and Y is the response variable, is the equation of a linear regression line. A is the intersection (the result of y for x = 0), and b is the line's slope.

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In a class election, 30 students voted for Emerald and
15 students voted for Beau. What percent of students
voted for Beau?
( please help my teacher won’t let me leave if I don’t get this done)

Answers

50% should be correct. Mark if correct!

33% of students voted for Beau.

When asked to recall a list of 25 words, participants are likely to remember only some of them. The words they can recall are likely to include: A) approximately the last 12 words on the list. B) the first and the last few words on the list. C) approximately the first 12 words on the list. D) mostly words from the center of the list.

Answers

The correct answer is B) the first and the last few words on the list.

This phenomenon is known as the serial position effect, which states that people are more likely to remember the first and last items on a list than the items in the middle. This is because the first items are rehearsed more and are more likely to be transferred to long-term memory, while the last items are still fresh in short-term memory. The items in the middle of the list are less likely to be remembered because they are not rehearsed as much and are not as fresh in short-term memory. Therefore, when asked to recall a list of 25 words, participants are likely to remember the first and the last few words on the list. So, the correct option is B.

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the area of a rectangle is 35 , and the length of the rectangle is less than three times the width. find the dimensions of the rectangle.

Answers

Let x = width

Length = 3x

Area = 35

3x * x = 35

3x^2 = 35

x^2 = 35/3

x = √(35/3)

Width = √(35/3)

Length = 3√(35/3)

21 p?=u² + 2as
u= 12 a = -3
s= 18
(a) Work out a value of v.

21 p?=u + 2asu= 12 a = -3s= 18(a) Work out a value of v.

Answers

Answer:

6 or -6

Step-by-step explanation:

Step 1: Simplify both sides of the equation.

$v^2 = 12^2 + 2(-3)(18)$ $v^2 = 144 + (-6)(18)$ $v^2 = 144- 108$ $v^2 = 36$

Step 2: Take square root of both sides.

$\sqrt{v^2} =$ ± $\sqrt{36}$ $v =$ ± $\sqrt{36}$ $v = 6$ or $-6$

Therefore, the answer is 6 or -6.

What are the dimensions of the product?

Answers

Answer:2x3

Step-by-step explanation:

The value of a car is $18,000 and is depreciating at a rate of 12% per year. Find how much the car will be worth in 10 years?

Answers

Answer:

$5013

Step-by-step explanation:

Initial value of a car - $18000Depreciation rate - 12% per yearTime - 10 years

Depreciation factor is (100 - 12)/100= 0.88 per year

Final value of the car:

$18000*(0.88)¹⁰ = $5013

if an > 0 and lim nâ†’[infinity] an + 1 an < 1, then lim nâ†’[infinity] an = 0.
T/F

Answers

The statement is true. If a sequence {an} satisfies the condition an > 0 and lim n→∞ (an + 1)/an < 1, then the limit of the sequence as n approaches infinity, lim n→∞ an, is equal to 0.

To prove the statement, we use the limit comparison test. Let's assume that lim n→∞ (an + 1)/an = L, where L < 1. Since L < 1, we can choose a positive number ε such that 0 < ε < 1 - L. Now, there exists a positive integer N such that for all n ≥ N, we have (an + 1)/an < L + ε. Rearranging the inequality, we get an + 1 < (L + ε)an.

Now, let's consider the inequality for n ≥ N:

an + 1 < (L + ε)an < an.

Dividing both sides by an, we get (an + 1)/an < 1, which contradicts the given condition. Hence, our assumption that lim n→∞ (an + 1)/an = L is incorrect. Therefore, the only possible limit for the sequence {an} as n approaches infinity is 0, and hence the statement is true.

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For as long as she can remember, Beth has had a ton of pet fish. She is in the market for a new fish tank shaped like a rectangular prism which she wants to hold 75 gallons, or 17,325 cubic inches, of water. She wants the fish tank to be 48 inches long to fit perfectly along her wall, and she wants the tank to be twice as tall as it is wide. To the nearest tenth of an inch, how wide and tall should the tank be?

Answers

The width of the tank should be approximately 5.71 inches, the height would be approximately is 11.42 inches.

How to calculate the ue dimensions

Given:

Length = 48 inches

Volume = 17,325 cubic inches

Substituting the values into the formula, we get:

17,325 = 96x³

Dividing both sides by 96:

x³ = 17,325 / 96

x³ ≈ 180.47

x ≈ ∛180.47

x ≈ 5.71

Therefore, the width of the tank should be approximately 5.71 inches. Since the height is twice the width, the height would be approximately 2 * 5.71 = 11.42 inches.

In conclusion, the height would be approximately is 11.42 inches.

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Answer:

It was 13.4 inches wide and 26.9 inches tall

What are the values of the constants in the vertex form of the quadratic equation that models the bird's path? h = k = a =

Answers

Answer:

What is the slope of the line that represents the turtle's path?

=0.8

What are the values of the constants in the vertex form of the quadratic equation that models the bird's path?

h=0

k=20

a= -0.12

Which system of equations could you use to determine where the paths intersect?

=B) y = 0.8x and y = -0.12x2 + 20

Step-by-step explanation:

your welcome <3

Based on the graph, the values of the constants in the vertex form of the quadratic equation are:

h = 0.k = 20.a = -0.12.

How to write a function.

Generally, the vertex form of a quadratic equation can be used to model or write an equation of the function of a graph.

Mathematically, the vertex form of a quadratic equation is given by this formula:

y = a(x - h)² + k

Where:

h and k represents the vertex of the graph.

Note: The sign on "a" indicates whether the quadratic equation opens up or opens down.

Based on the complete information, we can deduce that the values of the constants in the vertex form of the quadratic equation are:

h = 0.k = 20.a = -0.12.

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what is the slope-intercept form equation that represents the line?

Answers

Answer:

y=-1/2x+4

Step-by-step explanation:

Two regular polygons P and Q are such that the number of sides of P is twice the number of sides of Q, the difference between the exterior angles of P and Q is 45°, find the number of sides of P?

Answers

Step-by-step explanation:

Exterior angles sum to 360 degrees Q = 2P For the number of sides

360 / P = 360/ (2P ) + 45

720 = 360 + 90 P

360 = 90P

P = 4 sides THEN Q = 8 SIDES

Use one of the triangles to approximate PQ in the triangle below

choices:
A) 4.5 units
B) 5.4 units
C) 9.1 units
D) 10.9 units

Answers

The approximate value of PQ in the right angle triangle is 5.4 units.

What is the Right angle triangle?

A right-angle triangle has one of its angles at 90 degrees. Therefore, the sides can be found by trigonometric ratios.

Hence,

sin 50 = opposite / hypotenuse

sin 50 = PQ / 7

cross multiply

PQ = 7 sin 50°

PQ = 7 × 0.76604444311

PQ = 5.36231110183

PQ = 5.4 units

hence, the approximate value of PQ in the right angle triangle is 5.4 units.

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yeah These points are linear.Find the slope.x-2-1 0 1 1 2y -7 0 7 14 21slope = [?]-

Answers

slope=7

Explanation

the slope of a line ( or segment) is given by

$\begin{gathered} \text{slope}=\frac{\text{ change in y }}{\text{ change in x}}=\frac{\Delta y}{\Delta x}=\frac{y_2-y_1}{x_2-x_1} \\ \text{where} \\ P1(x_1,y_1)\text{ } \\ \text{and} \\ P2(x_2,y_2) \\ \text{are 2 points from the line} \end{gathered}$

Step 1

Let

$\begin{gathered} P1(0,7) \\ P2(2,21) \end{gathered}$

now,replace in the formula

$\begin{gathered} \text{slope}=\frac{y_2-y_1}{x_2-x_1} \\ \text{slope}=\frac{21-7}{2-0}=\frac{14}{2}=7 \end{gathered}$

therefore, the slope is 7

I hope this helps you

What is AAS ASA SSS SAS?

Answers

The rules AAS, ASA, SSS and SAS are congruence rule of triangle and the each rules has been explained

The rules AAS, ASA, SSS and SAS are congruence rule of triangle

SSS rule is side-side-side rule, it states that if three sides of the one triangle and three sides of the other triangles are equal, then both triangles are congruent

SAS rule is side-angle-side rule, it states that if two sides and one included angles between the sides of the one triangle is equal to the two sides and one included angles between the sides of the other triangle, then both triangles are congruent

ASA rule is angle-side-angle rule, it states that if two angles and one included side between the angle of the one triangle is equal to the two angles and one included sides between the angles of the other triangle, then both triangles are congruent

AAS rules is angle-angle-side rule, it states that if two angles and one non included sides of the one triangle is equal to the two angles and one non included sides of the another triangle, then both triangles are congruent

Therefore, the AAS, ASA, SSS and SAS are the rules of congruence of the triangle

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in studying product-process matrix describing layout strategies, which of the following is most appropriate? (select all that apply.)

Answers

To determine which option is most appropriate in studying the product-process matrix describing layout strategies, we need to understand the purpose and characteristics of the product-process matrix and evaluate each option accordingly.

The product-process matrix is a tool used to analyze and determine the appropriate manufacturing layout strategy based on the volume and variety of products being produced. Here are the options to consider: Classifying products into four categories: This option is appropriate as it aligns with the fundamental concept of the product-process matrix. The matrix typically categorizes products into four types: project, job shop, batch, and continuous flow. This classification helps in understanding the production requirements and selecting the appropriate layout strategy.

Determining the optimal lot size for each product:

While determining the optimal lot size is an important consideration in production planning, it is not directly related to the product-process matrix or layout strategies. Lot sizing decisions involve factors such as demand, setup costs, and inventory management, but they do not specifically address the volume-variety trade-off.

Analyzing the supply chain network: While the supply chain network is essential for overall operations management, it is not directly related to the product-process matrix or layout strategies. The product-process matrix focuses on the internal layout of the manufacturing facility and the relationship between product variety and production volume.

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What method would I use? I am confused on how to solve it. $9k^2+3=-20$

Answers

bring the -20 over to the left so that it’s

9k² + 3 + 20 = 0 [reverse the sign when you carry over]
9k² + 23 = 0 [add the 3 and 20]

solve as a quadratic eqn and you’ll get
k = 0-1.59861050777i
or
k = 0+1.59861050777i

since there’s an i in the answers, it means this equation has no solution (or in terms of graphs, does not intercept/touch the x-axis)

hope this helped!

(1-2/7)*(1-2/9)*...(1-2/97)*(1-2/99)

Please help ASAP

Answers

Answer:

5/99

Step-by-step explanation:

(1-2/7)*(1-2/9)*...(1-2/97)*(1-2/99) = 5/7*7/9*...*95/97*97/99 = 5/99

PLEASE HELP
I need the answer in the next hour

Answers

To calculate Jorge's final math grade, we need to use the weighted average formula, which is:

Weighted Average = (Weight1 × Grade1) + (Weight2 × Grade2) + (Weight3 × Grade3) + (Weight4 × Grade4)

Where,

Weight1 = weight of quizzes = 30%

Grade1 = Jorge's average quiz grade = 92%

Weight2 = weight of homework = 10%

Grade2 = Jorge's homework grade = 98%

Weight3 = weight of unit tests = 40%

Grade3 = Jorge's average unit test grade = 91%

Weight4 = weight of final exam = 20%

Grade4 = Jorge's final exam grade = 95%

Substituting the values in the formula, we get:

Weighted Average = (0.30 × 92) + (0.10 × 98) + (0.40 × 91) + (0.20 × 95)

Weighted Average = 27.6 + 9.8 + 36.4 + 19

Weighted Average = 92.8

Therefore, Jorge's final math grade is 92.8%.

Answer: GIVE MEH MRAINLY HEHE

To calculate Jorge's final math grade, we need to use the weighted average formula, which is:

Weighted Average = (Weight1 × Grade1) + (Weight2 × Grade2) + (Weight3 × Grade3) + (Weight4 × Grade4)

Where,

Weight1 = weight of quizzes = 30%

Grade1 = Jorge's average quiz grade = 92%

Weight2 = weight of homework = 10%

Grade2 = Jorge's homework grade = 98%

Weight3 = weight of unit tests = 40%

Grade3 = Jorge's average unit test grade = 91%

Weight4 = weight of final exam = 20%

Grade4 = Jorge's final exam grade = 95%

Substituting the values in the formula, we get:

Weighted Average = (0.30 × 92) + (0.10 × 98) + (0.40 × 91) + (0.20 × 95)

Weighted Average = 27.6 + 9.8 + 36.4 + 19

Weighted Average = 92.8

Therefore, Jorge's final math grade is 92.8%.

Step-by-step explanation:

LOL HI LILY

BRAINLEST IF CORRECT Convert 0.288 to a fraction in lowest terms

Answers

Answer:

22/55 I figured it out hope it helps

A function has zeros at -5, 1, and 3.,
f(-7), f(-3), and (4) are negative. f(2) is
positive. Sketch a graph of f.

Answers

Answer:

Step-by-step explanation:

Haa

Graph the system of equations. y = 2x y = –x + 6 Two lines on a coordinate plane that intersect at the point 2 comma 4. One line has y intercept 0 and the other has y intercept 6. Two lines on a coordinate plane that intersect at the point negative 2 comma negative 4. One line has y intercept 0 and the other has y intercept negative 6. Two lines on a coordinate plane that intersect at the point 1 comma 2. One line has y intercept 0 and the other has y intercept 3. Two lines on a coordinate plane that intersect at the point 3 comma 3. One line has y intercept 0 and the other has y intercept 6.

Answers

The solution to the systems of equations graphically is (2, 4)

Solving the systems of equations graphically

From the question, we have the following parameters that can be used in our computation:

y = 2x

y = -x + 6

Next, we plot the graph of the system of the equations

See attachment for the graph

From the graph, we have solution to the system to be the point of intersection of the lines

This points are located at (2, 4)

Answers

Answer: Its 39x + 45

Step-by-step explanation:

yes

What is the indefinite integral of 1/xlnx?

Answers

In integration the bindefinite integral of 1/xlnx is

ln(|u|)+C=ln(|lnx|)+C with the aid of using parts, we've discovered whilst the specified formula.

The vital of the 2 capabilities are taken, with the aid of using thinking about the left time period as first feature and 2nd time period as the second one feature.

This technique is referred to as Ilate rule.The vital of xlnx is same to (x2/2) lnx - x2/4 + C, wherein C is the mixing constant. We can compare this vital the usage of the technique of integration with the aid of using parts.

We have the vital:

\(∫1xlnxdx

Use substitution. Let u=lnx so that du=1xdx . Note that each of those are presently gift withinside the vital.

∫1xlnxdx=∫(1lnx)1xdx=∫1udu

This is a not unusualplace vital:

∫1udu=ln(|u|)+C

Since u=lnx :

ln(|u|)+C=ln(|lnx|)+C\)

Answers

True. The coefficient of variation is a better measure of risk than the standard deviation if the expected returns of the securities being compared differ significantly.

The coefficient of variation (CV) is a relative measure of risk that takes into account the standard deviation and the mean of a distribution. It is a better measure of risk than the standard deviation when comparing securities with significantly different expected returns because it adjusts for the differences in the means.

The CV is calculated as the ratio of the standard deviation to the mean, and it allows for the comparison of the risk of investments with different expected returns on a standardized basis. Therefore, it is a useful tool for investors who want to compare the risk of investments that have different levels of expected returns. However, it should be noted that the CV has limitations and should not be the sole measure of risk used in investment analysis.

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PLS HELP !!!!!! I need this pls someone

Answers

Answer:

1:6

Step-by-step explanation:

Answer:

1/6.... 1:6.... one to six

Which functions have a maximum value greater than the maximum of the function g(x) = -(x + 3)2 - 4? Check all that
apply.
f(x) = -(x + 1)2 - 2
f(x) = -1x +41-5
(x) = -√x+2
O
f(x) = -12x1 + 3
f(x) = -VX-2-4

Answers

Answer:

Step-by-step explanation:

None of the functions given have the value greater than the maximum value of the function given.

What is function?

A function is a relation between a dependent and independent variable. We can write the examples of functions as -

y = f(x) = ax + b

y = f(x, y, z) = ax + by + cz

Given is to find the functions that have a maximum value greater than the maximum of the function g(x) = -(x + 3)² - 4.

Refer to the graph attached. We can see that the maximum value of the function is at the {x} = -3. The maximum value of the function is 4. The remaining functions have the values less then the maximum value of g{x}. So, none of the functions given have the value greater than the maximum value of the function given.

Therefore, none of the functions given have the value greater than the maximum value of the function given.

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A spinner with 9 equal sections is numbered 1 through 9. The probability of spinning a 3 is 1/9. What is the probability of not spinning a 3 is what

Answers

The probability of not spinning a 3 is 8/9

How to determine the probability that the number 3 is not spun?

From the question, the given parameters are:

Number of sections = 9

Sections = Number 1 to 9

The probability of spinning a 3 = 1/9

The above probability can be represented as

P(3) = 1/3

The probability that the number 3 is not spun is the complement of the probability of spinning a 3

This is calculated as

P(3) + P(Not 3) = 1

Substitute the known values in the above equation So, we have the following equation

1/9 + P(Not 3) = 1

Evaluate the like terms

P(not 3) = 8/9

Hence, the probability is 8/9

Answers

Answer:

540

Step-by-step explanation:

12×45=540

Have a good day

A car travels at a rate of speed of 45 miles per hour for 12 hours. How far did it travel?

The car traveled 540 miles in 12 hours.

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(2x + 3y = 121-4x+6y=-2​

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(2x + 3y = 12
1-4x+6y=-2