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jeka57 [31]
3 years ago
9

—4 + 5 — 7 = 10 + 3х – 2х

Mathematics
1 answer:
yKpoI14uk [10]3 years ago
6 0

Answer:

X= -4.66666667 or 5 when rounded to the nearest whole number.

Step-by-step explanation:

-4+5-7=10+3x-2

-11+5=8+3x

-6=8+3x

-6-8=8-8+3x

-14=3x

X= -4.66666667 or 5 when rounded to the nearest whole number.

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Which polynomial is equal to (2x^2-5x-4)-(4x^2-3x-2) , and how is it equal?
Mademuasel [1]

Answer:

A. -2x^2-2x-2

Step-by-step explanation:

(2x^2-5x-4)-(4x^2-3x-2)

distribute the minus sign

(2x^2-5x-4)-4x^2+3x+2

2x^2-5x-4

-4x^2+3x+2

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

-2x^2 -2x-2

3 0
3 years ago
Read 2 more answers
Un bosque de 2 km2 está formado por hayas y pinos. Las hayas ocupan 380.000 m2 ¿Cuántos metros cuadrados ocupan los pinos?
Ivanshal [37]

Answer:

Los pinos ocupan \\ 1620000m^{2} o <em>1 millón seiscientos veinte mil metros cuadrados</em>.

Step-by-step explanation:

Una manera de resolver este problema es la siguiente:

\\ 1km^{2} = 1km * 1km = 1000m * 1000m = 1000000m^{2}

\\ 2km^{2} = 2km * 1km = 2000m * 1000m = 2000000m^{2} = 2 * 10^{6}m^{2}

En palabras, \\ 2km^{2} = 2000000m^{2}, o <em>dos kilómetros cuadrados</em> son iguales a <em>2 millones de metros cuadrados</em>.

Sabemos que:

  1. Estos \\ 2km^{2} = 2000000m^{2} de bosque lo ocupan hayas y pinos, y, adicionalmente,
  2. Las hayas ocupan \\ 380000m^{2}.

De esta manera, <em>la parte que ocupan los pinos es el total del bosque menos el área ocupada por las hayas</em>. Por lo tanto, el área ocupada por los pinos es:

\\ 2000000m^{2} - 380000m^{2}

\\ 1620000m^{2}

¿Cuántos metros cuadrados ocupan los pinos?

Los pinos ocupan, entonces, \\ 1620000m^{2} o <em>1 millón seiscientos veinte mil metros cuadrados</em>.

8 0
3 years ago
What’s the perimeter 4.9m and 2.6m
barxatty [35]

Answer:

The perimeter of the rectangle would be 15m.

Step-by-step explanation:

P=2(l+w)=2·(4.9+2.6)=15

8 0
3 years ago
Find the percentage of decrease from 95 to 60
balu736 [363]
The answer is about 36.9%
I just guessed and checked. 95-60= 35
So .3685×95 is the closest to equaling 35
6 0
3 years ago
Two points, a and b, are graphed on the number line below. Maynard says there is not enough information to write an inequality s
mamaluj [8]

Answer:

c

Step-by-step explanation:

5 0
3 years ago
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