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Step2247 [10]
2 years ago
7

Write the equation 0.3x2 + 5x - 7 =0 in general form and then choose the value of "b."

Mathematics
1 answer:
Musya8 [376]2 years ago
8 0

For this case we have that by definition, an equation of the second degree is given by:

ax ^ 2 + bx + c = 0

We have the following equation:

0.3x ^ 2 + 5x-7 = 0

Then, according to the definition above, we have to:

a = 0.3\\b = 5\\c = -7

Thus, b equals 5.

Answer:

b = 5

Option C

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Umnica [9.8K]

Answer:

  1. (-6, 10)
  2. (-10, 9)
  3. (-11, -6)
  4. (-5, 1)

Step-by-step explanation:

<em>(x,y) → (x-8, y+4)</em>

1. (2, 6)

(2-8, 6+4)

<u>(-</u><u>6, 10)</u>

2. (-2, 5)

(-2-8, 5+4)

<u>(-10, 9)</u>

3. (-3, -10)

(-3-8, -10+4)

<u>(-11, -6)</u>

ídk man u should connect it to <u>(11, -7)</u> since it's the only choice closest to the right answer, but If u can write the correct then write this. there's prolly an error in that quiz ídk

4. (3, -3)

(3-8, -3+4)

<u>(-5, 1)</u>

<u> </u>still not in the choices nanii but <u>(5, -14)</u> is the only choice left and also the closest, and even if u use calculator the correct answer is still (-5, 1). sigh, I hope this helper at least

5 0
3 years ago
The rodriguez family dined at a restaurant. Their bill came up to $119, but they also have to pay a 9% tax and they plan to leav
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Answer:

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Step-by-step explanation:

To find the cost of the meal, find the tax and tip. You can find each by multiplying the amount of the meal by the percentages.

$119 * 9% = 10.71

$119 * 22% = 26.18

Now we can add all three together.

119 + 10.71 + 26.18 = 155.89

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Answer:

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Step-by-step explanation:

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