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kvasek [131]
2 years ago
14

PLEASE HELP ASAP it’s for distribution Area model (algebraic) :(

Mathematics
1 answer:
In-s [12.5K]2 years ago
5 0

Answer:

You would have to multiple everything inside of the parenthesis by the number that's outside in this case it would be 2 ×7 and 2 × -9

Answer: 14n ,-18

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Use the quadratic formula to solve the equation. If necessary, round to the nearest hundredth.
Bad White [126]

Answer:

The final answers are x = 1 OR x = -3.

Step-by-step explanation:

Given the equation is x^2 -3 = -2x

Rewriting it in quadratic form as:- x^2 +2x -3 = 0.

a = 1, b = 2, c = -3.

Using Quadratic formula as follows:- x = ( -b ± √(b² -4ac) ) / (2a)

x = ( -2 ± √(4 -4*1*-3) ) / (2*1)

x = ( -2 ± √(4 +12) ) / (2)

x = ( -2 ± √(16) ) / (2)

x = ( -2 ± 4 ) / (2)

x = (-2+4) / (2) OR x = (-2-4) / (2)

x = 2/2 OR x = -6/2

x = 1 OR x = -3

Hence, final answers are x = 1 OR x = -3.

8 0
3 years ago
Read 2 more answers
I need help checking these
insens350 [35]

Answer:

180cm^2 & 472ft^2

Step-by-step explanation:

answer of 16 number

h2=p2+b2 ,therefore

h=100+80

h=180

answer of question 17

h2=p2+b2

576=p2+104

576-104=p2

472=p2

6 0
3 years ago
The Pythagorean theorem can only be used with witch type of triangle
HACTEHA [7]

Answer:

Right Triangles

Step-by-step explanation:

3 0
2 years ago
3 3/4 + 1 2/5 answer
Nonamiya [84]
The answer is 3 3/20
4 0
3 years ago
2. El perimetro de un rectangulo es 64 pies. Su largo es 12 pies mas que 3 veces su ancho. Halla las dimensiones del rectangulo
Afina-wow [57]
Ancho= x
Largo= 3x+12 ("12 pies más (adición) que 3 veces (multiplicación) su ancho (x)")

<span>En el problema incluyen el perímetro (la suma de todos los lados de una figura). </span>En un rectángulo, los lados opuestos son congruentes, así que para calcular el valor de x, tenemos que sumar nuestras ecuaciones.

(3x+12)+(3x+12)+x+x=64
8x=64-24
x=40/8
x=5

Luego lo único que queda hacer es substituir el valor de x en cada ecuación para calcular los valores que te piden.



4 0
3 years ago
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