2 years ago

-2x^2+6x+7=2x-3 by quadratic formula

1 answer:

8 0

Answer: There is no real solution because the discriminant is negative. Nevertheless, x is √6 + 1 or 1 - √6. However, these solutions are not real because the discriminant is negative.

Explanation: The square root of a negative number is not a real number.

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Solve y = 1/-25 x 8 + 175

Elena L [17]

Answer:

174.68

Step-by-step explanation:

Use PEMDAS. First, multiply 1/-25 by 8. (-8/25 or-.32)

Then, add 175 and y should= 174.68.

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3 years ago

The two triangles shown are similar. Find the value of d/c

Stolb23 [73]

Answer:

D. None of the above

Step-by-step explanation:

$\frac{c}{9} = \frac{d}{7.5} \\ \frac{d}{c} = \frac{7.5}{9}$

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3 years ago

Which expression represents h(x)?

blsea [12.9K]

Answer:

(g-f)x is the answers for the question

Step-by-step explanation:

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2 years ago

What is -4 - (8) More text

son4ous [18]

Answer:

-12

Step-by-step explanation:

(-4) - 8

Keep Flip Change

Keep

(-4)

Flip

- to +

Change to opposite

8 to -8

Result

-4 + -8 = -12

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2 years ago

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Do the ratios 16 18 and 1 2 form a proportion?

olga nikolaevna [1]

Answer:

no they don't form a proportion

Step-by-step explanation:

16:18/2:2 = 8:9

8:9 and 1:2 are unequal

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2 years ago

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