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ludmilkaskok [199]
3 years ago
12

200,000 ÷ 2,000 can be simplified and solved as follows:

Mathematics
1 answer:
monitta3 years ago
4 0
B.. If you take the 3 zeros off 2000 (make it 2) then take 3 zeros off 200,000 (make it 200) you get 200/2=100 which is the same as 200000/2000
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Negative 12 plus 44<br> negative 19 plus 61
antiseptic1488 [7]
Your answer would be 74 if you are looking for the answer.
8 0
4 years ago
Read 2 more answers
What number increased by 3,080 equals 5,082?
kodGreya [7K]
Let the required number be x, then
x + 3,080 = 5,082
x = 5,082 - 3,080
x = 2,002
8 0
4 years ago
Dado dos ángulos complementarios, uno mide (2x + 10) y el otro (x + 20),
rusak2 [61]

Answer:

El valor de <em>x</em> es igual a 20 o <em>x</em> = 20.

Step-by-step explanation:

Lo primero que se debe saber es que <em>dos ángulos complementarios suman un ángulo recto o 90º</em>.

Supongamos que el valor de un ángulo \\ \alpha y un ángulo \\ \beta valen:

\\ \alpha = 2x + 10 [1]

\\ \beta = x + 20 [2]

Como la suma de  \\ \alpha + \beta = 90 [3]

Entonces

\\ \alpha + \beta = (2x + 10) + (x + 20) = 90

Sumamos los factores comunes entre si:

\\ (2x + x) + (10 + 20) = 90

Para la primera expresión debemos recordar que se suman sólo los coeficientes. Así:

\\ (2 + 1)x + (10 + 20) = 90

\\ 3x + 30 = 90

Para despejar la incógnita <em>x</em>, debemos tener en cuenta que <em>una igualdad no se altera si se suma, se resta, se multiplica o divide un mismo valor a cada lado de ella</em>. Por esta razón, para despejar 3x, lo primero que podemos hacer es sumar -30 a cada lado de la expresión (lo que es igual a restar 30 a cada lado de la misma). Así tenemos:

\\ 3x + 30 - 30 = 90 - 30

\\ 3x + 0 = 90 - 30

\\ 3x = 60

Ahora dividimos cada miembro de la igualdad entre 3 (o multiplicamos cada lado de la igualdad por \\ \frac{1}{3} ):

\\ \frac{3}{3}x = \frac{60}{3}

Como sabemos que:

\\ \frac{3}{3} = 1

Entonces:

\\ 1*x = \frac{60}{3}

\\ x = \frac{60}{3}

\\ x = 20

De esta manera, el valor de <em>x</em> es igual a 20 o x = 20.

Lo anterior lo podemos comprobar considerando las ecuaciones [1], [2] y [3]. Así tenemos que:

\\ \alpha = 2x + 10 [1]

Sustituimos x por el valor de 20:

\\ \alpha = 2*20 + 10 = 40 + 10 = 50

\\ \beta = x + 20 [2]

Hacemos lo mismo para [2]:

\\ \beta = 20 + 20

\\ \beta = 40

De esta manera:

\\ \alpha + \beta = 90 [3]

\\ 50 + 40 = 90

4 0
3 years ago
What is the slope-intercept form of the equation of the line with a slope of 3 and y-intercept at the origin (0,0)?
Viktor [21]

Answer:

Step-by-step explanation:

y=3x

8 0
3 years ago
I need the answer to this problem please help me
LekaFEV [45]
I'm pretty sure both B and C equal 12 as well
Since the triangle equals 180 and the angels are all congruent
7 0
3 years ago
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