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Mashutka [201]
4 years ago
9

3x^2 + 7 = 28 ±7 ±√7 7 -7

Mathematics
1 answer:
seraphim [82]4 years ago
7 0

Answer:

B ±√7

Step-by-step explanation: Positive sqr rt of y

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A television screen, length is 16 1/2 inches, width is w inches, and area is 462 square inches. Select all THREE equations that
tatiyna

Answer:

it's B, C, and D

Step-by-step explanation:

A. w ⋅ 462 = 16 1/2

not A

w * a ≠ l

B. 16 1/2 ⋅ w = 462

is B

l * w = a

C. 462 ÷ 16 1/2 = w

is C

a / l = w

D. 462 ÷ w = 16 1/2

is D

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E. 16 1/2 ⋅ 462 = w

not E

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3 years ago
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Lorico [155]
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