The isosceles triangle ABC has an area of 48 square units if AB=12 what is the perimeter of Abc in units?

Answer:

Geometric mean of 2 numbers is a square root of the product.

Given  8,10

Geometric mean = √(8*10)

=√80

= √(16*5)

= 4√5

Step-by-step explanation:

given :

2x - 3y = 11

-6x + 8y = 34

find : the solutions of the system by using Cramers Rule.

solutions:

in the matrix 2x2 form =>

[ 2 -3] [x] [11]

=

[-6 8] [ y] [34]

D =

| 2 -3 |

|-6 8 |

= 8×2 - (-3) (-6)

= 16-18 = -2

Dx = | 11 -3 |

| 34 8 |

= 11×8 - (-3) (34)

= 88 + 102

= 190

Dy = | 2 11 |

|-6 34 |

= 2×34 - (-6) (11)

= 68 + 66

= 134

x = Dx/D = 190/-2 = -95

y = Dy/D = 134/-2 = -67

the solutions = {-95, -67}

Answer:

(x , y ) = ( -95, -67)

Step-by-step explanation:

Given system :-

2x - 3y = 11

-6x + 8y = 34

Find :- Solutions of system by using Cramers rule.

Solution :-

To solve the system using Cramer's rule, list all needed determinants.

[tex] D = \left|\begin{array}{cc}2& - 3 \\ - 6 & 8\end{array}\right| [/tex]

[tex]D_1 = \left|\begin{array}{cc}11 & - 3 \\ 34 & 8\end{array}\right| [/tex]

[tex]D_2 = \left|\begin{array}{cc} 2& 11 \\ - 6 & 34\end{array}\right| [/tex]

D = 8 × 2 - ( -3) ( -6 )

= 16 - 18 = -2

[tex]D_1[/tex] = 11 × 8 - ( -3 ) ( 34 )

= 88 + 102 = 190

[tex]D_2[/tex] = 2 × 34 - ( 11 ) ( -6 )

= 68 + 66 = 134

Plug the value into the formula:-

x = [tex] \frac{190}{-2}\\[/tex] , y = [tex]\frac{134}{-2} \\[/tex].

Divide

x = -95 , y = -67

(x , y ) = ( -95, -67)

Answer:

No, the volume will be incresed by 8 times (2x2x2=8)

Step-by-step explanation:

[tex]Volume=3*5*9=135 in^{3} \\increased -Volume=6*10*18=1080 in^{3}\\\frac{1080}{135} =8[/tex]

Answer:

A, B, & D

Step-by-step explanation:

A. isosceles - 2 sides equal (actually) all sides are equal

B. equilateral - all sides equal and all angles are equal too

D acute - all angles are less than 90 degrees

Answer:

1,24 2,12 3,8 4,6

Step-by-step explanation:

that's all of them

Answer:

is there  a picture or something i cant understand

Step-by-step explanation:

Answer:

C. log(1/3)

Step-by-step explanation:

log a - log b = log(a/b)

Answer:

[tex]a_{n}[/tex] = - 3n - 3

Step-by-step explanation:

The nth term of an arithmetic sequence is

[tex]a_{n}[/tex] = a₁ + (n - 1)d

where a₁ is the first term and d the common difference

Here a₁ = - 6 and d = a₂ - a₁ = - 9 - (- 6) = - 9 + 6 = - 3 , then

[tex]a_{n}[/tex] = - 6 - 3(n - 1) = - 6 - 3n + 3 = - 3n - 3

answer is 48 stamps

explanation is 150 times 68% is 102 stamps then that means there would be 48 other stamps.

Answer:

11

Step-by-step explanation:

To add fractions, find the LCD and then combine or Pemdas

Answer:

Your answer should be 1.5

Step-by-step explanation:

Can I get brainliest

Answer:

Turkey, country that occupies a unique geographic position, lying partly in Asia and partly in Europe. Throughout its history it has acted as both a barrier and a bridge between the two continents

Step-by-step explanation:

Answer:

Answer:

(0,2)

Answer B..............

Answer:

(0,2)

Step-by-step explanation:

there is nothing for the x-axis only y-axis which is on the right so it moves up by 2

Answer:

−4,2+2i√3, and 2−2i√3 is the correct answer

Answer:

[tex]1 = {5}^{0} [/tex]

[tex]5 = {5}^{1} [/tex]

[tex]25 = {5}^{2} [/tex]

[tex]125 = {5}^{3} [/tex]

[tex]625 = {5}^{4} [/tex]

option A is correct, it starts with the power of zero (equals always one, see it as

[tex] \frac{5}{5} [/tex]

and it goes up to the power of 4

Letter D thanks for asking for help

Answer:

x = 4[tex]\sqrt{2}[/tex]

Step-by-step explanation:

Using the sine ratio in the right triangle and the exact value

sin45° = [tex]\frac{1}{\sqrt{2} }[/tex] , then using the upper 45°

sin45° = [tex]\frac{opposite}{hypotenuse}[/tex] = [tex]\frac{4}{x}[/tex] = [tex]\frac{1}{\sqrt{2} }[/tex] ( cross- multiply )

x = 4[tex]\sqrt{2}[/tex]

That would be central angels !

Please mark me, I'd like to get to virtuoso.

Answer:

just sum up the 3 sides.

quick side note: I lost my previews writing bc I waited too long too post it :(

but long story short: you get the length of, say, AB by using pythagoras theorem.

[tex] \sqrt{ {2}^{2} + {6}^{2} } [/tex]

do this with BC and CA too

the 2 is just the distance in x-direction and the 6 is just the distance in y-direction

and since a²+b²=c², we need to take the root to get the distance between 2 points

see screenshot for summing up the three distances. the part out of screen is written out above

the sum is 21.011 length units

hope it helps. have a nice day.

feel free to ask questions.

and maybe, if I'm feeling really nice and a lil bored, i leave greeting answers under yours to enable posters to give gives brainliests. if theres no 2and answer at least

Answer: the slope of green line = [tex]-\frac37[/tex]

Step-by-step explanation:

We know that,

If two lines are parallel then their slopes(rate of change of y with respect to x) are equal.

Given: The red line and the green line are parallel.

The slope of red line = [tex]-\frac37[/tex]

Then, the slope of green line = [tex]-\frac37[/tex]  [Slopes of two parallel lines are equal]

Hence, the slope of green line = [tex]-\frac37[/tex]

Answer:

8 cm , 9cm

Step-by-step explanation:

sum of any two sides >third side

difference of any two sides<third side

only 8 cm and 9 cm satisfies it

8+9=17>13

9-8=1<13

Answer:

a² + 16a - 612 = 0

Step-by-step explanation:

Here is the complete question :

The width of an extra large rectangle poster is 8 inches more than half its length. The area of this poster is 306 square inches

Write an equation in one variable that could be used to find the number of inches in the dimensions of this poster.

Area of a rectangle = length x width

Let length = a

width = 8 + 1/2a

Area =  (8 + 1/2a) x a

306 =  (8 + 1/2a) x a

multiply both sides of the equation by 2

612 = 16a + a²

a² + 16a - 612 = 0

the dimensions of the poster can be determined using quadratic formula

Answer:

yes..

Step-by-step explanation:

Answer:

9t + 4

Step-by-step explanation:

6t + 3t + 4

= 9t +4

Answer:

subtraction

Step-by-step explanation:

because if you add in addition you would take away when you subtract

Answer:

la inversa de la suma es la resta

Step-by-step explanation:

Answer:

[tex]Find~x:-[/tex]

[tex]4x-37=49[/tex]

[tex]4x=49+37[/tex]

[tex]x=21.5[/tex]

[tex]Find ~y:-[/tex]

[tex]y/5=4x-3[/tex]

[tex]y=5(4*21.5-3)[/tex]

[tex]y=415[/tex]

Answer:

Answer

5.0/5

13

jack295

The answer is 8x +20

Answer:

14 - 2x

Step-by-step explanation:

4 - 2(x + 5)

4 - 2x + 10

14 - 2x

Answer:

La diagonal de este cuadrado mide 5.66 cm

Step-by-step explanation:

Primero debemos recordar el teorema de Pitágoras:

Para un triángulo rectángulo, la suma de los cuadrados de los catetos es igual al cuadrado de la hipotenusa.

Ahora si tenemos un cuadrado, lo podemos separar en dos triángulos rectángulos, tal que la hipotenusa de esos triángulos es la diagonal del cuadrado.

(Abajo hay una imagen donde se puede ver esto)

en este caso, tenemos un cuadrado con 4cm de lado.

Entonces cuando armemos el triángulo rectángulo, vamos a tener dos catetos de 4cm de largo, usando el teorema de Pitágoras obtenemos:

(4cm)^2 + (4cm)^2  = D^2

Queremos resolver esto para D.

16cm^2 + 16cm^2 = D^2

32cm^2 = D^2

√(32cm^2) = √(D^2)  = D

5.66 cm = D

La diagonal de este cuadrado mide 5.66 cm

Answer:

Part A

positive=132

negative=220

Part B=88

Step-by-step explanation:

Part A

3:5

positive: negative

3+5=8

352/8=44

3x44=132 positive or 3/8 of 352

5x44=220 negative 5/8 0f 352

Part B

220

-132

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

     88

Step-by-step explanation:

3×‐9×-5y-2y =0-7

-6x-7y =-7

Answer:

[tex]x = \frac{9}{13} \ , \ y = - \frac{5}{13}[/tex]

Step-by-step explanation:

                         3x - 5y = 4 ----------- ( 1 )

                         9x - 2y = 7 -----------( 2 )

                 ______________________

( 1 ) x 9  =>       27x - 45y = 36   ----------------- ( 3 )

( 2) x 3 =>        27x - 6y = 21     -------------------( 4 )

                  _____________________

( 3 )  =>          27x - 45y = 36

- ( 4 ) =>         -27x + 6y = - 21

                   ____________________

( 3 ) - ( 4 ) =>     0x - 39y = 15

                            -39y = 15

                                [tex]y = \frac{15}{-39} = -\frac{5}{13}[/tex]

Substitute y in ( 1 ) :

                     [tex]3x - 5y = 4\\\\3x - ( 5 \times -\frac{5}{13}) = 4\\\\3x + \frac{25}{13} = 4\\\\3x = 4 - \frac{25}{13}\\\\3x = \frac{52 - 25}{13}\\\\3x = \frac{27}{13}\\\\x = \frac{27}{13 \times 3}\\\\x= \frac{9}{13}[/tex]                        

Answer:

25

Step-by-step explanation:

Answer:

x = 25

Step-by-step explanation:

Okay so as you can see there is an x shape and whenever you have that it means they are verticle angles. So we can conclude that 25 is verticle to x and so x is equal to 25.