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3 years ago

Quiero resolver problemas se evaluación

Mathematics

1 answer:

Natalija [7]3 years ago

4 0

[] Answer []

$\boxed{18}$

$\boxed{45}$

[] Explanation []

X = 4

Y = 6

Z = 3

===================

3x + y

Substitute Numbers Into Equation:

3 * 4 + 6

3 * 4 = 12

12 + 6 = 18

===================

15z

Insert Numbers Into Equation:

15 * 3 = 45

$\boxed{[] \ Eclipsed \ []}$

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3 years ago

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3 years ago

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Vera_Pavlovna [14]

<span>Find missing length :
</span>
a² + b² = c²
c² = 19² + 34²
c² = 1517
c = √1517
c = 38.95 units.

Find missing angle A:

$\dfrac{a}{\sin(a)} = \dfrac{c}{\sin(c)}$

$\dfrac{19}{\sin(a)} = \dfrac{38.95}{\sin(90)}$

$\sin(a) = 0.488$

$a = sin^{-1} (0.488)$

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Find Missing B:

$\dfrac{b}{\sin(b)} = \dfrac{c}{\sin(c)}$

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$b = sin^{-1}(0.873)$

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3 years ago

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professor190 [17]

Answer:

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Step-by-step explanation:

New value =

25 - Percentage decrease =

25 - (60% × 25) =

25 - 60% × 25 =

(1 - 60%) × 25 =

(100% - 60%) × 25 =

40% × 25 =

40 ÷ 100 × 25 =

40 × 25 ÷ 100 =

1,000 ÷ 100 = 10

hope this helps :)

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2 years ago