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Andrew [12]
3 years ago
7

¿Cuál es el resultado? de la siguiente ecuacion 5x+2=12 *

Mathematics
2 answers:
zysi [14]3 years ago
8 0

Answer:

2

Step-by-step explanation:

5x+2=12

5x= 12-2

5x= 10

x= 10/5

x=2

IRINA_888 [86]3 years ago
5 0

Answer: X=2

Step-by-step explanation:

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20.9 cm^3

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W+19=49 for w=30 help me
mafiozo [28]
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30 + 19 = 49

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Flying lessons on weekdays cost m dollars per hour. Flying lessons on weekends cost 1.2m dollars per hour. The expression 9m+3(1
lbvjy [14]

Answer:

The cost of lesson for 9 hours on weekdays and 3 hours on weekends

Step-by-step explanation:

Given

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Weekends = \$1.2m/hour

Required

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The expression can be split to:

9m and 3(1.2m)

<u>For 9m:</u>

From the question, we understand that:

m = 1\ hour

Multiply both sides by 9

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This means that:

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<u>For 3(1.2m):</u>

From the question, we understand that:

1.2m = 1 \ hour

Multiply both sides by 3

3 * 1.2m = 1 \ hour * 3

3(1.2m) = 3 \ hours

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Hence, the expression represents:

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7 0
3 years ago
Write a quadratic function with zeros -1 and 5.
Shalnov [3]

Answer:

x^2+4x-5

Step-by-step explanation:

Zeros of a quadratic equation are -1 and 5.

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The quadratic equation will be :

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So, the required quadratic equation is x^2+4x-5.

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3 years ago
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Answer:

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Step-by-step explanation:

number \: 1 \\ cos \: b =   \frac{adjacent}{hypotenuse}  \\ cos \: b =  \frac{ac}{cb} \\ \:  \ cos \: b =  \frac{12}{13}  \\

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2 years ago
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