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Yakvenalex [24]
3 years ago
10

(x+2)^2+(x-3)^2-2x^2)

Mathematics
1 answer:
garri49 [273]3 years ago
4 0

Answer:

<u>13 - 2x </u>

Step-by-step explanation:

(x +2)² + (x - 3)² - 2x²

<em>Expand.</em>

(x + 2)(x + 2) + (x - 3)(x - 3) - 2x²

x² + 2x + 2x + 4 + x² - 3x - 3x + 9 - 2x²

<em>Bring all the like terms together then simply.</em>

x² + x² - 2x² + 2x + 2x - 3x - 3x + 4 + 9

2x² - 2x² + 4x - 6x + 13

= <u>13 - 2x</u> (or <u>-2x + 13</u> )

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Answers? Or a hint please I’m begging
olga2289 [7]
Hmm I would say x=q
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6 0
3 years ago
The figure is made up of two shapes a semi circle on a rectangle what is the exact perimeter of the
Llana [10]

The perimeter of the composite shape is: (3π + 12)mm

<h3>What is a semicircle?</h3>

A semicircle is a part of a circle cut through its diameter.

Analysis:

perimeter of a semicircle = πr

where r = 6/2 = 3mm

perimeter of a semicircle = π(3)  = 3π

perimeter of incomplete rectangle = L+2B, L = 6mm, B = 3mm

perimeter of rectangle = 6mm +2 x 3= 12mm

perimeter of shape = (3π+12)mm

In conclusion, the perimeter of the rectangle is (3π+12)mm

Learn more about semicircles :brainly.com/question/285710

#SPJ1

3 0
1 year ago
Solve the following formula for t.<br> A= J(1 + rt)
Lubov Fominskaja [6]

Explic

Pasos para resolver una ecuación linea

A=J(1+rt)

Usa la propiedad distributiva para multiplicar J por 1+rt.

A=J+Jrt

Intercambie los lados para que todos los términos de las variables estén en el lado izquierdo.

J+Jrt=A

Combina todos los términos que contienen J.

(1+rt)J=A

La ecuación está en formato estándar.

(rt+1)J=A

Divide los dos lados por 1+rt.

rt+1(rt+1)J=rt+1A

Al dividir por 1+rt, se deshace la multiplicación por 1+rt.

J=rt+1A

​

 

4 0
3 years ago
Lily is traveling to the coast. The trip takes her 5 hours including a half for lunch. If she is travelling at 60mph, how many m
Nata [24]
Lily travels 60 miles per hour So in 5 hours she travels 300 miles but she takes a 30 minute break so she travels 270 miles in 5 miles. 
8 0
3 years ago
PLSSSSSSS HELPPPP SOMEBODYYYY
Deffense [45]

Answer:

64%

Step-by-step explanation:

there are 16 people aged 21 or under out of a total of 25

\frac{16}{25} (100)=64 %

Hope this helps

6 0
2 years ago
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