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erastova [34]
3 years ago
15

Which value of x makes the equation true? x – 5.1 = –7.6

Mathematics
2 answers:
Alchen [17]3 years ago
8 0
 the answer is negative 25 because when you add -5.1 to both side you will get -2.5
ASHA 777 [7]3 years ago
7 0
X-5.1 = -7.6
 +5.1    +5.1
X= -2.5
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15 meters increased by 36% meters
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Step-by-step explanation:

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Answer:

Step-by-step explanation:

1.  x -> opposite side of 48°

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\sf Sin \ 48^\circ = \dfrac{opposite \ side }{hypotenuse}\\\\\\0.7431  = \dfrac{15}{o}\\\\\\0.74 * o = 15\\\\\\ o = \dfrac{15}{0.74}\\\\\\

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\sf cos \ 48^\circ = \dfrac{adjacent \ side }{hypotenuse}\\\\\\0.67 =\dfrac{b}{o}\\\\\\0.67=\dfrac{b}{20.27}

b = 0.67*20.27

b = 13.58

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

2) i → opposite side of 25°

n → adjacent side of 25°

\sf Sin \ 25 =\dfrac{i}{t}\\\\\\0.42=\dfrac{i}{30}\\\\\\0.42*30=i

i = 12.6

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n = 27.3

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

3) a → opposite side of 70°

e → adjacent side of 70°

Sin \ 70^\circ =\dfrac{a}{l}\\\\0.94 =\dfrac{a}{25}\\\\0.94*25=a

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e = 8.5

~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~~

4)

\sf Sin \ 52^\circ = \dfrac{x}{75}\\\\0.79*75=x\\

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\sf Cos \ 52^\circ = \dfrac{z}{75}\\\\0.62*75 =z

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Step-by-step explanation:

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Answer:

scale factor = \frac{1}{3}

Step-by-step explanation:

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Comparing the top horizontal segments in both, orange to black.

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