atleast need a hint about this

Atleast Need A Hint About This

Answers

Answer 1

Answer:

x + y = 2

Step-by-step explanation:

given

2x - 8 = 2y ( subtract 2y from both sides )

2x - 2y - 8 = 0 ( add 8 to both sides )

2x - 2y = 8 ( divide through by 2 )

x - y = 4

given

x² - y² = 8 ← factor left side as a difference of squares

(x - y)(x + y) = 8 ← substitute x - y = 4

4(x + y) = 8 ( divide both sides by 4 )

x + y = 2


Related Questions

Which graph represents the equation y equals one half times x minus 1?

graph of a line passing through the points negative 2 comma negative 2 and 0 comma negative 1

graph of a line passing through the points negative 2 comma 0 and 0 comma 1

graph of a line passing through the points negative 2 comma negative 3 and 0 comma negative 2

graph of a line passing through the points negative 4 comma 0 and 0 comma 2

Answers

The correct graph which represents the equation y = 1/2x - 1 is,

⇒ Graph of a line passing through the points negative 2 comma negative 2 and 0 comma negative 1.

What is an expression?

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 equation is,

⇒ y = 1/2x - 1

Now, After draw the equation we get;

Graph of a line passing through the points (-2, - 2) and (0, - 1).

Thus, The correct statement is,

⇒ Graph of a line passing through the points negative 2 comma negative 2 and 0 comma negative 1.

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Which graph represents the equation y equals one half times x minus 1? graph of a line passing through

55 points. Please help fast. Fastest one (must be correct too) will get brainliest.

55 points. Please help fast. Fastest one (must be correct too) will get brainliest.
55 points. Please help fast. Fastest one (must be correct too) will get brainliest.

Answers

Answer:

Uhh I think some information is missing I am not sure tho

do you guys know which one im supposed to choose

do you guys know which one im supposed to choose

Answers

Answer:

you have to aline it with what graph it is.

Step-by-step explanation:

Try It! How many voters are predicted to vote against building the
recycling center? How does this compare to the final voter results?
12-1 Use Proportions to Make Pre

Answers

By definition of proportion, Out of a total of 75,000 voters, there are 43,000 predict will vote against Issue 1

Given that Out of a random sample of 300 voters, it was found that 172 voters are in favor of Issue

Now,

Let number of vote against Issue #1 for total 75,000 = x

Hence, By definition of proportion we get;

⇒ 300 / 172 = 75,000 / x

⇒ 300x = 75,000 × 172

⇒ 300x = 12,900,000

⇒ x = 43,000

Therefore, by definition of proportion, Out of a total of 75,000 voters, there are 43,000 predict will vote against Issue 1

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Out of a random sample of 300 voters, it was found that 172 voters are in favor of Issue #1.

Out of a total of 75,000 voters, how many do you predict will vote against Issue #1?

It is predicted that ___

voters are against Issue #1.

A- 30,000

B- 32,000

C- 43,000

D- 60,000

If A is symmetric matrix, then A^3 is a _______ matrix.

Answers

If A is a symmetric matrix, then A³ is also a symmetric matrix.

How to check the matrix type?

To prove this, we can use the definition of a symmetric matrix, which is a matrix that is equal to its transpose. In other words, if A is a symmetric matrix, then A = A^T.

Now, let's look at A³:

A³ = A * A * A

We can replace each A with A^T, since they are equal:

A³ = A^T * A^T * A^T


Now, we can use the property that the transpose of a product of matrices is equal to the product of their transposes in reverse order:

A³ = (A^T * A^T * A^T)^T

A³ = (A^T)^T * (A^T)^T * (A^T)^T

Since the transpose of a transpose is the original matrix, we can simplify:

A³ = A * A * A

Therefore, is also a symmetric matrix.

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Help please!!!!!!!!!!

Help please!!!!!!!!!!

Answers

Answer:

Ask yourself: Why cant math solve its own problems

Step-by-step explanation:

2.4 divided by 0.24 pllss help

Answers

Answer:

your answer is 10 Goodluck

At a sporting goods store the pnce of a bicycle is $650. During a sale this price is marked down 45%.
What is the sale price of the bicycle?
Enter your answer below.

Answers

Step-by-step explanation:

$357.5

hope it helps!

.......

$357.50 is the sale price

Match the missing parts of the triangle with their correct length or measure.
HINT: The ONLY right triangles we are given in this problem are ADB and BDC. Triangle ABC is NOT necessarily a right triangle.

Given:
DB=24
AD=32
AC=42
DC=10
BC=26
AB=40
Measure Measure of
Find:
Measure Measure Measure Measure Measure

Match the missing parts of the triangle with their correct length or measure.HINT: The ONLY right triangles

Answers

The length of DB, AD and AC are 24 m, 32 m, 42 m respectively. The measurement of ∠C = 67.38°.

What is a right angle triangle?

A right triangle, also known as a right-angled triangle, right-perpendicular triangle, orthogonal triangle, or formerly rectangled triangle, is a triangle with one right angle, or two perpendicular sides. The foundation of trigonometry is the relationship between the sides and various angles of the right triangle.

Given that, in △BCD

BD = 24 m

DC = 10 m

BC = 26 m

△BCD is a right angle triangle.

The trigonometry ratio of sine is ratio of height to hypothenuse.

With respect to C, the height of △BCD is 24m and hypothenuse is 26m.

sin C = height/hypothenuse

sin C = 24/26

C = 67.38°

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How many real numbers are solutions for x2 − 5x 7 0?

Answers

There are two real number solutions for x2 − 5x + 7 = 0: x = 2 and x = 7.

1. x2 − 5x + 7 = 0

2. (x - 2)(x - 7) = 0

3. x = 2 or x = 7

When solving for the real number solutions of x2 − 5x + 7 = 0, we first need to factor the equation into two linear terms: (x - 2)(x - 7) = 0. From here, we can use the Zero Product Property to determine that x = 2 and x = 7 are the two real number solutions of this equation. This means that when x is equal to 2 or 7, the equation will equal 0 and all other values of x will result in a non-zero answer. Therefore, the only two real number solutions of x2 − 5x + 7 = 0 are x = 2 and x = 7.

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I Only need to do questions 22 and 24

I Only need to do questions 22 and 24

Answers

22.

Let number of tapes be x and cost be y.

y = 8.50x (this means that cost = 8.50 multiply by number of tapes)

24.

Let number of hours be x and total pay be y).

y = 8x (total pay = number of hours multiply by 8)

worth 11 points and actually help me instead of taking the points plz

worth 11 points and actually help me instead of taking the points plz

Answers

Answer:

C'(-1,1)

Step-by-step explanation:

The coordinates of C are (-2,4).

The translation is (x+1,y-3), so we take the x value -2 and the y value 4 and plug it in.

(-2+1,4-3)

=(-1,1)

C' has the coordinates (-1,1)

Answer:

Its ([-1],[1])

Step-by-step explanation:

By (x+1, y-3), the trapezoid wll move 1 point to the right, and 3 points down.

worth 11 points and actually help me instead of taking the points plz

help on math homework

help on math homework

Answers

Answer:

b can I have

Step-by-step explanation:

what is the reflection of (x, -y) across the y-axis.

Answers

Reflection across the y-axis makes the x-coordinate opposite.
(x, -y) —> (-x, -y)

Can someone please help me, I need some assistance on this question.

Can someone please help me, I need some assistance on this question.

Answers

Answer:

I might not be able to solve it correctly but this might help a lot. Formula: V = πr 2 h

Step-by-step explanation:

write the equation of a line that passes through the point (4,-1/4) and has a slope of 0

Answers

Answer:

y = -1/4

Step-by-step explanation:

If the slope is o, that means that it is a horizontal line.  The line passes though the point (4, -1/4)  The horizontal line will have y as -1/4, no matter what x is.

Answer:

\(\sf y =\dfrac{-1}{4}\)

Step-by-step explanation:

Equation of the line with slope 0 is y = c.

where c is the y-co-ordinate.

 The line with slope 0 is a horizontal line that is parallel to x-axis.

          \(\sf y =\dfrac{-1}{4}\)

HELP H>E>L>P help help

HELP H>E>L>P help help

Answers

Answer:

i think b) option b

Step-by-step explanation:

lmk if this is incorrect

11. Shelia earns $12.00 per hour. During her performance review, her boss gave her a $0.35 raise. Is this enough to keep up with the annual average rate of inflation?​

Answers

Answer: I have read and reviewed the materials for Lessons 1-3.  yes/no 2. Review the savings options (page 10): Savings Account, CD, MMDA, US Savings Bond 3. What are the benefits of having a savings account? 4. What is meant by Time Value of Money (TVM)? 5. What is a windfall? Identify 3 types. 6. What are the benefits of beginning savings at an early age? 7. List the process of buying a stock. 8. What are assets? Describe some. 9. What is the difference between Growth Investment and Income Investment? 10. What is the annual average rate of inflation? 11. Shelia earns $12.00 per hour. During her performance review, her boss gave her a $0.35 raise. Is this enough to keep up with the annual average rate of inflation? 12. Marcos earns $8.75 per hour. He is planning on asking the boss for an hourly raise increase to cover the annual cost of inflation. How much of an increase per hour should he ask for? 13. Suppose you invest $4000 in a Simple Interest account, at an APR of 3% for 10 years. What is your account balance at the end of the 10-year period? 14. Suppose you invest $4000 in a Compound Interest account, at an APR of 3% for 10 years. What is your account balance at the end of the 10-year period? 15. Round $876.4356 to the nearest cent.

876.4

Step-by-step explanation:

-2/3^8
two thirds to the power of eight
pls help me

Answers

Answer: i think either 256/6561 or -256/6561

Step-by-step explanation:

riddle#1 what belongs to you but your friends use it more

Answers

Answer:

Phone number

Step-by-step explanation:

Answer:

your name people lol...........

A trip on a boat normally costs £26, but there is now a discount of 15%.
Work out the cost of the trip after the discount.

Answers

Answer:

So all you have to do is ... 15% of $26=3.9, in that case your answer would be 22.1. Hope that helped!

due to day help a lot of pionts​

due to day help a lot of pionts

Answers

Answer:

6 yd

Step-by-step explanation:

Answer:

6

Step-by-step explanation:

Calculate the rate of change for the quadratic function over the given interval: f\left( x \right) = {x^2} + 4x + 5;\; - 1 \le x \le 2f(x)=x 2 +4x+5;−1≤x≤2 1 5 2 -4

Answers

Answer: The rate of change is 5.

Step-by-step explanation:

Our equation is:

f(x) = x^2 + 4x + 5

And we want to find the rate of change in the range −1≤ x ≤2

when we want to find the rate between x1 ≤ x ≤ x2

we have:

Rate = (f(x2) - f(x1))/(x2 - x1)

So we have:

Rate = ( f(2) - f(-1))/(2 - 1)

Rate = (2^2 + 4*2 + 5 - (-1)^2 - 4*(-1) - 5)/3 = 15/3 = 5

The rate of change is 5.

pleaseee helppp mee!!

pleaseee helppp mee!!

Answers

Step-by-step explanation:

you know theres 4 of the product that comes out to $13 so do the operation $13/4 to find x

the ratio of hopeless romantics to hard-headed skeptics was 459 to 2. if there were 7,803 hopeless romantics, how many hard-headed skeptics were there?

Answers

Answer:

333

Step-by-step explanation:

Answer:

34 hard-headed skeptics

Step-by-step explanation:

Write and solve an equation of ratios:

  459       2

--------- = ----

 7803      x

Cross-multipying, we get:

459x = 15606, which yields  x = 15606/459 = 34

There were 34 hard-headed skeptics.

A group of friends wants to go to the amusement park. They have no more than $225 to spend on parking and admission. Parking is $17.25, and tickets cost $18.25 per person, including tax. What is the maximum number of people who can go to the amusement park?

Answers

Answer:

11

Step-by-step explanation:

2 × 10 + 10 – 8 = ? show work

Answers

2 x 10 = 20
10 - 8 = 2
20 + 2 = 22
Answer: Umm, 2 x 10+10-8=22

2 x 10=20
20+10=30
30-8=22

Match each system of equations to the diagram that represents its solution.
5x + 12y + z = 10
2x + 5y + 2z = -1
x + 2y − 3z = 5

5x − 2y − 3z = 0
x + y = 5
2x − 3z = 4

x + y − 10z = -4
x − 7z = -5
3x + 5y − 36z = -10

x + y + z = 10
-4x − 4y − 4z = -40
2x = 20 − 2y − 2z

Match each system of equations to the diagram that represents its solution.5x + 12y + z = 102x + 5y +
Match each system of equations to the diagram that represents its solution.5x + 12y + z = 102x + 5y +
Match each system of equations to the diagram that represents its solution.5x + 12y + z = 102x + 5y +
Match each system of equations to the diagram that represents its solution.5x + 12y + z = 102x + 5y +

Answers

The matching of the system of equations with the diagrams is:

1 → Diagram A

2 → Diagram B

3 → Diagram D

4 → Diagram C

How to find the system of equations?

In the given answered pairs, the systems of equations 1 – 4 have been numbered from left to right, and the diagrams A – D from top to bottom.

The attached the row-reduction of the first three systems (1 – 3). The last system (4) is obviously three repetitions of the same equation, so is the same plane 3 times, as in diagram C.

1. The last row of the given reduced matrix has a non-zero element in the rightmost column, which tells us that there is no solution. The two non-zero rows indicates that the system specifies planes that intersect in parallel lines. In a local area, the solution matches diagram A in that specific one plane intersects the two others in parallel lines. Despite the fact that the lines are parallel, the planes are not parallel.

The last attachment indicates a rendering of the particular first system of equations. Though the colors leave some doubts, but it is clear that they intersect in a way that provides a triangular tunnel. No (x, y, z) value is found on all three planes.

2. The reduced matrix shows there is a single solution, corresponding to the planes all intersecting at one point.

3. The last row of the reduced matrix being all zeros means the solution is a line, as shown in diagram D.

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Match each system of equations to the diagram that represents its solution.5x + 12y + z = 102x + 5y +
Match each system of equations to the diagram that represents its solution.5x + 12y + z = 102x + 5y +
Match each system of equations to the diagram that represents its solution.5x + 12y + z = 102x + 5y +
Match each system of equations to the diagram that represents its solution.5x + 12y + z = 102x + 5y +

Which statement is true?

A. When there is no outlier, the mean is skewed in one direction.
B. When there is no outlier, the median is skewed in one direction.
C. When there is no outlier, the mean is the appropriate measure of
center.
D. When there is no outlier, the median cannot be used as the
measure of center.

Answers

C. When there is no outlier, the mean is the appropriate measure of center.

When there are no outliers in a dataset, the mean is a good measure of center because it takes into account the values of all the data points. The median is also a good measure of center, but it may not be the best choice if there are extreme values or outliers in the dataset, as it can be influenced by those values. However, when there are no outliers, both the mean and the median are appropriate measures of center.

Option A is not true because the mean is not skewed in one direction when there is no outlier. Skewness refers to the shape of the distribution, and it can be affected by outliers, but not by the absence of outliers.

Option B is not true because the median is not skewed in one direction when there is no outlier. Skewness refers to the shape of the distribution, and the median is not affected by the shape of the distribution, but by the position of the values.

Option D is not true because the median can be used as the measure of center even when there is no outlier. It is a robust measure of center that is not influenced by extreme values.

find the future value of $750 deposited each month at 3.25% for 15 years

Answers

Answer:

P=1538.461

Step-by-step explanation:

do it by the formula of

I=PRT, I=750 R=3.25% T=15

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