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OleMash [197]
2 years ago
8

Which step has the mistake in solving for roots?

Mathematics
1 answer:
REY [17]2 years ago
7 0

Answer:

Step-by-step explanation:

2x² - 7x - 3 = 1

Step 1: 2x² - 7x - 4 = 0

Step 2: incorrect.

Use Quadratic Formula to solve for roots.

x = [7 ± √(7² – 4·2(-4))] / [2·2]

 = [7 ± √81] / 4

 = [7 ± 9] /4

 = -0.5, 4

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zmey [24]
The answer is 15%

Explanation:

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6 0
2 years ago
Tori invests $1,500 into the stock market which earns 9% per year. In 20 years, how much will Tori's investment be worth if inte
kipiarov [429]
\bold{ANSWER:}
$8725

\bold{EXPLANATIONS:}

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2 years ago
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Anit [1.1K]
Add like terms

-4x+x=-3x
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6 0
3 years ago
Eight people are equally sharing 12 muffins. How many muffins will each person receive?
Marina CMI [18]
Total number of muffins = 12 muffins
Total number of people sharing muffin = 8

Muffins each person will receive = Total number of muffins
                                                          ---------------------------------
                                                          People sharing muffins
                                                   
                                                    = 12/8
                                                    = 1 1/2  OR  1.5 muffins



7 0
2 years ago
Read 2 more answers
Consider the original triangle and the enlargement,<br> 2 cm<br> 8 cm<br> 3 cm
LenKa [72]

Answer:

12 cm

Step-by-step explanation:

2x4=8

3x4=12

Thats why

4 0
2 years ago
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