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Misha Larkins [42]
3 years ago
15

Solve. 8x² + 5 = 35 Round to the nearest hundredth. Enter your answers in the boxes. The solutions are approximately and .

Mathematics
2 answers:
Vikentia [17]3 years ago
5 0

Answer:

1.94

Step-by-step explanation:

8x^2+5=35\\8x^2=30            \\x^2=30/8\\x^2=3.75\\\sqrt{3.75} \\

≈ ±1.94

lora16 [44]3 years ago
4 0

Answer:

x=1.94

x = - 1.94

Step-by-step explanation:

8x² + 5 = 35

Subtract 5 from each side

8x² + 5-5 = 35-5

8x²  = 30

Divide each side by 8

8x² /8 = 30/8

x² = 15/4

Take the square root of each side

sqrt( x²) = ±sqrt(15/4)

x = ±sqrt(15/4)

x=1.93649

x = - 1.93649

To the nearest hundredth

x=1.94

x = - 1.94

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