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GuDViN [60]
3 years ago
6

Find an expression which represents the difference when (-3x + 5y) is subtracted

Mathematics
1 answer:
lubasha [3.4K]3 years ago
8 0

Step-by-step explanation:

-3x+5y-(-6x)+3y

-3x+5y+6x+3y

-3x+6x+5y+3y

3x+2y.

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A car moving at a constant speed passed a timing device at t = 0. After 8 seconds, the car has traveled 936 ft. Write a linear f
Ahat [919]

Answer:

Buenos días;

1) La ecuación de la velocidad en un movimiento uniformemente acelerado (M.U.A) es:

V=V₀+at.

V=30 m/s-2 m/s².t

Ahora elimina las unidades (m/s, m/s₂), y tendrás la ecuación de la velocidad en función del tiempo.  

V(t)=30-2t.

Sol: la ecuación de la velocidad en función del tiempo es : V(t)=30-2t.

2) La ecuación de la posición en función del tiempo en un M.U.A  es:

X=X₀+V₀.t+(1/2).a.t²

X=0+30 m/s.t+(1/2).(-2 m/s²).t²

Eliminas las unidades, y tendrás la ecuación de la posición en función del tiempo.

X(t)=30.t-t².

Sol: la ecuación de la posición en función del tiempo es: X(t):30t-t²

Un saludo.

Step-by-step explanatio:g

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3 years ago
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What percentage is the fraction equal to?
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Mr. Harrison has $416 to spend on supplies for his classroom. He will buy a bookshelf and some books. The bookshelf costs $80. H
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He can buy 84 books and one bookshelf.
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In a school 3/5 of children are boys and the number of girls is 2000. Find the number of boys.
Ahat [919]

Answer:

3000

Step-by-step explanation:

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3 years ago
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In an arithmetic sequence, T1=4 and T7=22.
jonny [76]

Answer:

Step-by-step explanation:

t1 means a1 and t7 means a7

a+(n-1)d=an

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so we get a as 4

<u><em>a=4</em></u>

a+(n-1)d=an

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4+6d=22

6d=22-4

d=18/6

<u><em>d=3</em></u>

7 0
2 years ago
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