What is the system of equations for the solution (4,8) I need step by step.

Answers

Answer 1
I hope this helps, i wrote down the work so it makes sense.
4 is the X, 8 is the Y. All you have to do is plug in the numbers into the variables and do algebra.
What Is The System Of Equations For The Solution (4,8) I Need Step By Step.

Related Questions


Write the equation of the line fully simplified slope-intercept form

Answers

Answer:

y=4x-3

Step-by-step explanation:

Answer:

thanks for the answer

Step-by-step explanation:

Graph a parabola whose vertex is at (3,5)(3,5)left parenthesis, 3, comma, 5, right parenthesis with yyy-intercept at y=1y=1y, equals, 1.

Answers

Using the given information we found that the equation of the parabola is:

y = (-4/9)*(x - 3)^2 + 5

And its graph is below.

How to get the equation of the parabola?

For a parabola with vertex (h, k), the equation is:

y = a*(x - h)^2 + k

Here the vertex is (3, 5), so the equation is:

y = a*(x - 3)^2 + 5

And the y-intercept is y = 1, this means that:

1 = a*(0 - 3)^2 + 5

1 = a*9 + 5

1 - 5 = a*9

-4/9 = a

So the parabola is:

y = (-4/9)*(x - 3)^2 + 5

And its graph is below.

If you want to learn more about parabolas, you can read:

https://brainly.com/question/1480401

If b + 2a = c and 2a +b = 10, then what is c

Answers

10 because in addition no matter if you switch the numbers it will sum up to the same thing

Drag a description to match each equation

Answers

Answer:

y=3x is Multiplicative: y is 3 times x

y=x+3 is Additive: y is 3 more than x

Answer:

the first on is multiplicative

the second is additive  

Step-by-step explanation:

y = 3x  

y is the product of 3 multiplied by x

y=3+x

y is the product x plus 3 (or otherwise stated y is 3 more then x)

Giving (20 Points)
Look at the set of numbers below:

21, 55, 43, 13, 64, 10, 68, 38, 40, 43

How would the mean change if the number 24 replaced one of the 43's in the set?

A. increase


B. decrease


C. no change

Answers

Answer:

A.it will increase

Step-by-step explanation:

it will imcrease since every low number after the low number a number that is high

your answer is A.increase

Which is the best estimate of (-3/5)(17 5/6)
0 -18
O-9
0 9
O 18

Answers

The answer is -9 I believe

Can someone do this?

Answers

Step-by-step explanation:

I wrote down the steps Step-by-step for you

I hope you understand....

Juanita begins to factor an expression as shown.

x2+3x−18=(x+)(x−)

What numbers should be placed in the boxes from left to right?

Answers

Answer:

(x+6)(x-3)

solve:

[tex]\sf x^2+3x-18[/tex]

the least common multiple of 1 and 18 is 18 : 6 * 3

[tex]\sf x^2+6x-3x-18[/tex]

breakdown

[tex]\sf x(x+6)-3(x+6)[/tex]

build parenthesis

[tex]\sf (x-3)(x+6)[/tex]

Last year you could get a hamburger, fries, and a cola at Francisco's Drive-In for $2.00. Since the price of a hamburger has increased 10%, the price of fries has increased 30%, and the price of a cola has increased 50%, the same meal now costs $2.58. If the price of a cola is now 9 cents more than that of a hamburger, what was the price of each item last year?

Answers

Answer:

hamburger = h = $0.22

Fries = f = $0.96

Cola = c = $0.82

Step-by-step explanation:

Let

last year's price for each item be hamburger = h

Fries = f

Cola = c

h + f + c = 2.00 (1)

The price of a hamburger has increased by 10%

New price of hamburger = 1.10h

The price of fries has increased by 30%

New price of fries = 1.30f

The price of cola has increased by 40%

New price of cola = 1.40c

The same meal now costs $2.58.

1.1h + 1.3f + 1.4c = 2.58 (2)

If the price of a cola is now 9 cents more than that of a hamburger

1.4c = 1.1h + .09

1.4c - 1.1h = .09

Multiply (1) by 1.4

h + f + c = 2.00 × 1.4

1.4h + 1.4f + 1.4c = 2.8 (3)

1.1h + 1.3f + 1.4c = 2.58 (2)

subtract the new equation:

0.3h + 0.1f = 0.22

Multiply by 10

3h + f = 2.2

Recall,

1.4c - 1.1h = .09

1.4h + 1.4f + 1.4c = 2.8 (3)

- 1.1h + 0.0f + 1.4c = .09

Subtract

2.5h + 1.4f = 2.71

multiply by 10

25h + 14f = 27.1

Recall

3h + f = 2.2

Multiply by 14

42h + 14f = 30.8

25h + 14f = 27.1

Subtract to eliminate f

17h = 3.7

Divide both sides by 17

h = 3.7 / 17

= 0.22

h = 0.22

Substitute h into

1.4c - 1.1h = .09

1.4c - 1.1(0.22) = .09

1.4c - 0.242 = .09

1.4c = .09 + 0.242

1.4c = 1.142

Divide both sides by 1.4

c = 1.142 / 1.4

= 0.82

c = 0.82

Substitute values of c and h into

h + f + c = 2.00

0.22 + f + 0.82 = 2.00

1.04 + f = 2.00

f = 2.00 - 1.04

f = 0.96

Therefore, the price of each item last year was

hamburger = h = $0.22

Fries = f = $0.96

Cola = c = $0.82

Complete the two-column proof for the problem below. Given: RT = RS + RS R Prove: RS = ST Statements Reasons 1. Given 2. RT = RS ST 2. 3. Transitive Property 4. RS = RS 4. 5. RS = S7​

Answers

Answer:

can u help me

Step-by-step explanation:

Answer:

first one is: 8

second one is: 2

Step-by-step explanation:

correct on edg 2021!!!

Find the midpoint of the segment with the following endpoints.
(8,4) and (2,7)

Answers

Answer: The midpoint is (5,5.5)

Step-by-step explanation:

Adding X1 And X2 equals 10. Then the x variables have to be divided which is 10 divided 2 equals 5, the 5 represents the x value of the x part of midpoint. (5,?)

Adding Y1 and Y2 equals 11. Then the y variables have to be divided by 2 which is 11 divided by 2 equals 5.5, the 5.5 represents the y value of the midpoint. (?,5.5)

The final answer is Midpoint = (5,5.5)

SisjsjkakaiaiiaiaiaiSKSKSKSKSKKSKSKSKSKKSJSJSKSMSMSJSJSM

Answers

Answer:

2(6+1)

Step-by-step explanation:

its so easy because in sec..134 there is a • like this and look

2(6+1)

2 of 7

2×7

14,,,

and

24-5×2=14,,, is the answer,,,

Help!!!!!!!!!!!!!!!!!!!!!

Answers

Answer:

cant see

Step-by-step explanation:

Can someone help me solve this

Answers

Answer:

Step-by-step explanation:

Subtract 8 from the x value of the point P and subtract 3 from the y value of the point P

P' = (3-8 , -5-3)

    P' (-5 , -8)

(14+42-6)/10+7^2 order of operation

Answers

Answer:

54

Step-by-step explanation:

[tex]\dfrac{(14+42-6)}{10}+7^2[/tex]

Parentheses (14 + 42 - 6) = 50:

⇒ 50/10 + 7²

Exponents 7² = 49:

⇒ 50/10 + 49

Multiplication/division  50/10 = 5:

⇒ 5 + 49

Addition/subtraction:  5 + 49 = 54

⇒ 54

how do i divide 100 divided by 200

Answers

Answer:

100/200 is 0.5 (in the set of reals).

100 divided by 200 when simplified or reduced

100÷200 equals to 100

200

as a fraction, which equals to 1

2

, when simplified or reduced.

The fraction 100/200 is equal to the exact decimal number 0.5 (in the set of real num

Step-by-step explanation:

please mark me as brainlist please

Find the gain percent in the following:
Cost Price Rs 280,
(a) Selling Price
Rs 290​

Answers

Answer:

3.57

Step-by-step explanation:

P=SP -CP

=290-280=10

P%=[tex]\frac{P*100}{CP}[/tex]

=[tex]\frac{10*100}{280}[/tex]

=[tex]\frac{1000}{280}[/tex]

=3.57

brainiest to who ever answers first

Answers

the answer is A because 3 and 18 both have 3 in common and 5 and 25 both have 5 in common!

what is -13.72842 rounded to the nearest tenth

Answers

Answer:

-13.7

Step-by-step explanation:

-13.72842

-13.7284

-13.728

-13.73

-13.7

I rounded this way

Answer:

-13.7 is the answer!

Evaluate the expression 4(x + 2 - 5x) when x= 2.​

Answers

Answer:

-24

Step-by-step explanation:

4(x + 2 - 5x)

Combine like terms

4( -4x+2)

Let x =2

4 ( -4*2 +2)

4 ( -8+2)

4 ( -6)

-24

There are 2 squares and 10 circles. What is the simplest ratio of squares to total shapes?

Answers

Answer:

2 to 10 i think

Step-by-step explanation:

102 pencils need to be put into packets of 12. How many full packs can be made?
How many pencils are left over?

Answers

Answer:

Full packs = 8

Left over = 6 pencils

Step-by-step explanation:

102 divided by 12 = 8

with a remainder of 6

8 packet can be made and 6 pencils are left over

1. How do you define quadratic equations?​

Answers

Answer:

[tex]ax^{2} +bx+c^{2}=0[/tex]

Step-by-step explanation:

A quadratic equation is a equation that takes the form: [tex]ax^{2} +bx+c^{2} = 0[/tex]

   Ex. Using our definition of quadratic equations, [tex]ax^{2} +bx+c^{2}=0[/tex],

          We can set a = 2, b = 1, c = 6:

               [tex]2x^{2} +x+6^{2}=0[/tex]

               [tex]2x^{2} +x+36=0[/tex]

          Which can then be solved (if you are trying to solve it) as:

               [tex](2x+9)(x-8)=0[/tex]

                [tex]x=\frac{9}{2}, 8[/tex]

Which of the following are perfect squares 484 -81 525 125 225

Answers

Answer:

225

Step-by-step explanation:

15X15 equals 225

You recently borrowed $500 from a friend. You signed a contract that requires you to pay back one third of the loan every month for three months. How much will you have to pay back each of the first two months? How much will you have to pay back the third month?

Answers

The amount of money I would repay in the first month is $166.67.

The amount of money I would repay in the second month is $166.67.

The amount of money I would repay in the third month is $166.66.

How much would I repay each month?

In order to determine the money that would be repaid each of the first two months, multiply 1/3 by the amount of the loan.

1/3 x $500 = $166.67

Amount to be repaid in the third month = $500 - (166.67 x 2) = $166.66

To learn more about loans, please check: https://brainly.com/question/25811386

so i have alot of them
Solve. 5v = 95
Solve. n - 19 = 7
Solve. v/2 = 19
Solve. 4d = 24

Answers

5v = 95
v = 19

n - 19 = 7
n = 26

v/2 = 19
v = 38

4d = 24
d = 6

Answer:

1. v = 19

2. n = 26

3. v = 38

4. d = 6

Step-by-step explanation:

5v = 95

÷5    ÷5

v = 19

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

n - 19 = 7

   +19   +19

n = 26

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

v

/    =  19

2

v

/        = 19(2)

2(2)

v = 38

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

4d = 24

÷4    ÷4

d = 6

I hope this helps!

Mary is n years old. Write an expressions for her age 10 years ago.

Answers

Answer:

[tex]n-10=a[/tex]

Answer:

Mary is x years old

when we write the expression for her age which represents 12 years from now, it means we have to add 12 years in the age of Mary, and she is x years old now

so the expression will be:

x+12

and the expression which represents her age two years ago from now when she is x years old is:

x-2

if we know the x, we can calculate easily her age for above two expressions.

Step-by-step explanation:

Consider the expression 8-6x+x^2, Is the expression equivalent to (x-4)(x-2)?​

Answers

Answer:

Yes

Step-by-step explanation:

Factoring is the process of breaking a polynomial into its factors.

Standard Form

It is easiest to factor when in standard form. Standard form is when the terms are listed from highest power to lowest.

Standard form is [tex]x^2-6x+8[/tex]

Factoring

To find if two expressions are equal we can either factor the quadratic or multiply out the binomials. I find factoring to be faster and easier, so I will show that.

There are multiple techniques to factor; I will be explaining one of them. One way to factor quadratics is to find 2 numbers that multiply to c (the constant) and sum to b (the second term). In this case, the numbers -4 and -2 fit these requirements.

-4 * -2 = 8-4 + -2 = -6

This means that [tex]x^2-6x+8[/tex] factored is [tex](x-4)(x-2)[/tex]. Thus, they are equivalent.

The graph shows the relationship between the United States dollar and the euro, the currency of the European Union, in December 2011. Part B: Justify why the relationship shown in the graph is a proportional relationship.

Answers

Answer:

Step-by-step explanation:

Let the equation of the line representing relation between the euros and dollars is,

E = mD + b

Where 'E' = Number of euros

D = Number of dollars

m = slope of the line

b = y-intercept

Slope of a line which passes through two points (120, 90) and (400, 300) will be,

m = [tex]\frac{y_2-y_1}{x_2-x_1}[/tex] = [tex]\frac{300-90}{400-120}[/tex]

m = 0.75

Equation of the line passing through (120, 90),

90 = 0.75(120) + b

b = 90 - 90 = 0

Therefore, equation of the line will be,

E = mD

E ∝ D

Here m = Proportionality constant

And the relation between the numbers of Euros and US dollars is a proportional relationship.

What is the direction of W? PLEASE HELP ASAP

Answers

Answer:

  -161.57°, or 198.43°

Step-by-step explanation:

The third-quadrant angle can be found using the usual rectangular-to-polar conversion. The angle is given by ...

  θ = ATAN2(x, y) = ATAN2(-12, -4) ≈ -161.57°

__

More conventionally, the reference angle is ...

  tan(θ) = y/x = -4/-12 = 1/3

  θ = arctan(1/3) ≈ 18.43° . . . . angle from -x axis (CCW)

Since this is a 3rd-quadrant angle, the positive angle value will be 180° plus the reference angle:

  180° +18.43° = 198.43°

The angle most directly measured from the +x axis is ...

  360° -198.43° = -161.57°

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