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yarga [219]
3 years ago
14

Solve the system of equations by the substitution method.

Mathematics
1 answer:
xeze [42]3 years ago
6 0
We can substitute the second into the first, this gives:

x -5x = -24 =>
-4x = -24
x = 6

fill in this x value in the second equation:

y = -5*6 = -30

So the solution is x=6, y=-30
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Answer:

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2 years ago
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Min is twice as tall as her brother . If min is 5feet 3 inches tall how tall is her brother
liubo4ka [24]
5’3 is 63 inches since her brother is 1/3 larger so 63/3= 21 inches
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3 years ago
Realice la óperacion y exprese el resultado en notación científica (0,00000826) (235×10 elevado a -7) sobre 0,0017×10 elevado a
earnstyle [38]

Answer:

1,42 * 10 ^ -5

Step-by-step explanation:

La notación científica también se conoce como forma estándar.

Tenemos que realizar la siguiente operación y dejar el resultado en forma estándar.

Entonces;

0,00000826 * 235 × 10 ^ -7 / 0,0017 × 10 ^ -2

También;

8.26 * 10 ^ -6 * 2.35 * 10 ^ -5 / 1.7 * 10 ^ -5

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6 0
3 years ago
sherry and mark picked a total of 75 cherries after mark ate 15 cherries the amount he had left was half as much as sherry how m
miv72 [106K]
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7 0
2 years ago
NEED HELP NOWW!!! Andre is in charge of cooking broccoli and zucchini for a large group. He has to spend all $17 he has and can
Nookie1986 [14]

Answer:

a. 9 pounds of broccoli and 1 pound of zucchini

b. 7lbs broccoli and 2 lbs of zucchini

c. 6lbs zucchini and 4lbs broccoli.

Step-by-step explanation:

a. well just come up with 2 numbers that equal up to 10 so yea.

b. 7lbs broccoli 2 lbs of zucchini - this is 9 lbs of veggies but it costs 17 dollars because (7*2)+(2*1.50)=17

14+3=17 (the 7 and 2 is the amount of pounds of veggies and the 2 and 1.50 are the prices)

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7 0
3 years ago
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