what is the solution to this system of equations?
4x+y=6
x-2y=6

Answer:

1st option

Step-by-step explanation:

x² - 19x + n

using the method of completing the square

add ( half the coefficient of the x- term )² to x² - 19x

x² + 2(- [tex]\frac{19}{2}[/tex] )x + (- [tex]\frac{19}{2}[/tex] )²

with n = (- [tex]\frac{19}{2}[/tex] )² = [tex]\frac{361}{4}[/tex] , then

(x - [tex]\frac{19}{2}[/tex] )² ← a perfect square trinomial

7^-2 x 3^2 = 3 x 7^4x should be your equation.

I don't know if this is what you were looking for but I hope it helps.

Answer:

[tex]\implies m\angle A =42\degree[/tex]

Step-by-step explanation:

Quadrilateral ABCD is inscribed in circle with center O.

-> Quadrilateral ABCD is cyclic.

Opposite angles of a cyclic quadrilateral are supplementay.

[tex]\implies m\angle B + m\angle D = 180\degree[/tex]

[tex]\implies (2x)\degree + (3x-5)\degree = 180\degree[/tex]

[tex]\implies (5x-5)\degree = 180\degree[/tex]

[tex]\implies 5x-5= 180[/tex]

[tex]\implies 5x= 185[/tex]

[tex]\implies x= \frac{185}{5}[/tex]

[tex]\implies x= 37[/tex]

[tex]\implies m\angle A =(x+5)\degree[/tex]

[tex]\implies m\angle A =(37+5)\degree[/tex]

[tex]\implies \huge{\orange{m\angle A =\boxed{42}\degree}}[/tex]

Pi times radius squared times (height÷3)

if radius is 6 then 490.09

if radius is 13 then 1061.86

Answer:

2880 ft³

Step-by-step explanation:

T o find the total amount of water that is needed to fill the pool, you have to find the volume of the pool.

Formula to find the volume of a rectangle prism is :

Volume = length × width × height

Let us solve now.

Volume = length × width × height

Volume = 36 ft × 20 ft × 4 ft

Volume = 2880 ft³

Therefore, 2880 ft³ of water is needed to fill the pool.

The right answer would be 216

1) 6*6=36

2)36*6=216

Answer:

Higher education loans generally have a positive ROI because you are building skills and work experience that can increase your future earnings. More education is correlated with higher lifetime earnings.

Step-by-step explanation:

The jobs you can get with higher education will earn more money than jobs without a degree or certificate.

The term return on investment refers to the profit that one makes from an investment. Higher education is a very profitable investment for an individual.

here,

Higher education loans generally have a positive ROI because you are building skills and work experience that can increase your future earnings. More education is correlated with higher lifetime earnings.

The jobs you can get with higher education will earn more money than jobs without a degree or certificate.

The example of why higher education typically has a positive return on investment (ROI) is the jobs you can get with higher education will earn more money than jobs without a degree or certificate.

Learn more about ROI:

brainly.com/question/12908738

#SPJ2

Answer:

The y-intercept is the point (0, 128).

The x-intercepts are the points (-4, 0) and (-8, 0).

As x → ∞, y → ∞.

As x → -∞, y → -∞.

Step-by-step explanation:

To find the y-intercept, substitute 0 for x and solve for y.

The y-intercept is (0, 128).

To find the x-intercept, substitute 0 for y and solve for x.

Set the first term, (x + 4)², equal to 0.

Set the second term, (x + 8), equal to 0.

The x-intercepts are the point (-4, 0) and (-8, 0).

Look at the degree and leading coefficient of the polynomial to determine the end behavior, and therefore you can determine how y behaves as x gets closer to infinity.

Since the degree of the polynomial is odd (3) and the leading coefficient is positive, the graph falls to the left and rises to the right.

So, as x → ∞, y → ∞ and as x → -∞, y → -∞.

If you want to verify this, plug the equation into your calculator and look at the graph. How does it behave as you look at negative x-values? How about for positive x-values?

Answer:

250÷50=3 because I have a great day and I will be in the 3 1 4 a few days ago a friend of ours was the only thing

Step-by-step explanation:

yes maybe no more options visit in the future please reply with your family

Answer:

(4, -3)

Step-by-step explanation:

To solve this with graphing all you need to do is enter both equations in a graphing calculator (you can use desmos online) and then find the point where both lines intersect.

Step-by-step explanation:

Radius = 11 inches

⇒ Circumference = 2πr

⇒ Circumference = (2 × 3.14 × 11) inches

⇒ Circumference = 69 inches

Answer:

200

Step-by-step explanation:

Length times width to get the base 10 x 5 = 50 With the base multiply it by the height to get 50 x 4 = 200

Answer:

A

Step-by-step explanation:

using the quadratic formula

in the picture above

Answer:

5/6, 0.83 or 83%

Step-by-step explanation:

Answer:

Probabilities

Decimal: [tex]0.91[/tex]

Fraction: [tex]\frac{91}{100}[/tex]

Percentage: [tex]91[/tex]%

Step-by-step explanation:

Writing out information

2 comedy CDs

3 science-fiction CDs

7 adventure CDs

10 random CDs

22 total CDs

The chosen CD is not a comedy.

Solving probability for each

Decimals rounded to nearest 100th

Comedy:

[tex]2:22\\0.09\\\frac{2}{22}[/tex]

Science-fiction:

[tex]3:22\\0.14\\\frac{3}{22}[/tex]

Adventure:

[tex]7:22\\0.32\\\frac{7}{22}[/tex]

Random:

[tex]10:22\\0.45\\\frac{10}{22}[/tex]

Finding the total of the non-comedy

[tex]0.14+0.32+0.45=0.91[/tex]

[tex]0.91=91[/tex]%

Conclusion

Probabilities

Decimal: [tex]0.91[/tex]

Fraction: [tex]\frac{91}{100}[/tex]

Percentage: [tex]91[/tex]%

Answer:

Step-by-step explanation:

Please take a clearer picture couldnt read it well

[tex]\text{Let,}\\\\~~~~~~~x=1-4i,\\\\\implies x-1 = -4i\\ \\\implies (x-1)^2 =(-4i)^2\\\\\implies x^2 -2x +1 = -16\\\\\implies x^2 -2x +1 +16 = 0\\\\\implies x^2 -2x +17=0\\\\\text{So,}~ x^2 -2x +17 ~\text{is a factor of the 3 degree polynomial.}\\ \\\text{The polynomial is,}\\\\P(x) = (x-3)(x^2 -2x +17)\\\\~~~~~~~=x^3-2x^2+17x -3x^2 +6x -51\\\\~~~~~~~=x^3 -5x^2 +23x -51[/tex]

Answer:

Answer:

600 m³

Step-by-step explanation:

The shape we have is a rectangular pyramid:

Formula: (volume of a rectangular pyramid)

Volume = (1/3) × Base Area × height

___________________________

In our case :

Base area = L × W = 20 × 18 = 360 m²

height = 5 m

⇒ Volume = (1/3) × Base Area × height

    [tex]\Longrightarrow \text{volume} \ =\ \frac{1}{3} \times 360\times 5[/tex]

[tex]\Longrightarrow \ \text{volume} \ =\ 600\ m^{3}[/tex]

Answer:

I believe the answerwould be 18/21.

Please let me know if I'm correct!

Hope this helps you!

Hey there!

6/7 = ?/21

= 6/7 = x/21

CROSS MULTIPLY the FRACTION

6(21) = x(7)

6(21) = 7(x)

126 = 7x

7x = 126

DIVIDE 7 to BOTH SIDES

7x/7 = 126/7

CANCEL out: 7/7 because it give you 1

KEEP: 126/7 because it help solve for the x-value

NEW EQUATION: x = 126/7

SIMPLIFY IT!

x = 18

Therefore, your answer is: 18

BECAUSE 18/21 is equivalent to 6/7 and they both give you approximately 86% (or simply 0.86) if you’re rounding your percentage/decimal form

Good luck on your assignment & enjoy your day!

~Amphitrite1040:)

Answer:

(x + 3)(x + 5)

Step-by-step explanation:

Find two numbers that multiply to 15 and add to 8.

The numbers are 3 and 5.

x² + 8x + 15 = (x + 3)(x + 5)

Answer:

12+12 log2) b=34) 54+90)=10000+32+54=9000

Step-by-step explanation:

I know the answer I am a math tutor at Elomantry High Scholl Teaching for 6 years now

Answer:

3/4 simplified is 3/4 but when 2 1/4 is simplified it is 9/4. Off the bat we know there is a big difference. Also, 2 and 1/4 is irrational and 3/4 and rational.

Answer:

no solutions

Step-by-step explanation:

x+y = 5

-2x-2y = 10

Multiply the first equation by 2

2x+2y =10

Add this to the second equation

2x+2y =10

-2x-2y =10

0 =20

This is not true so there are no solutions

Answer:

- 1/2

Step-by-step explanation:

I assume this is  (1-n) / (2n-2)  

     (1-n) / (-2)(1-n)

    -1/2