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lana66690 [7]
3 years ago
10

Some of the steps in the derivation of the quadratic formula are shown. Step 4: Step 5: Step 6: Step 7: Which best explains why

the expression cannot be rewritten as during the next step? Negative values, like −4ac, do not have a square root. The ± symbol prevents the square root from being evaluated. The square root of terms separated by addition and subtraction cannot be calculated individually. The entire term b2 − 4ac must be divided by 2a before its square root can be determined.
Mathematics
2 answers:
Vladimir79 [104]3 years ago
7 0

Answer:c

Step-by-step explanation:

AlexFokin [52]3 years ago
5 0
               The correct answer for this question is this one: "The square root of terms separated by addition and subtraction cannot be calculated individually."

<span>The statement that best explains why the expression cannot be rewritten as during the next step is that t</span>he square root of terms separated by addition and subtraction cannot be calculated individually.
Hope this helps answer your question and have a nice day ahead.    ..... hope that helps

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nasty-shy [4]

Answer:

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Step-by-step explanation:

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2 years ago
Sara hina and Arslan have a total of RS 390in their wallet . Sara has Rs. 7more than Hina .Arslan has 3 times what sara has . Ho
Brums [2.3K]

Answer:Sara hina and Arslan Have RS79.4,RS 72.4 and RS238.2 respectively.

Step-by-step explanation:

Step 1

Let the amount that hina has be x

the amount that sara has be represented as  7+x

and the amount that Arslan have be represented as 3(7+x)

such that the total amount in their wallet which is 390 can be expressed as

x+7+x + 3(7+x)=390

Step 2

Solving

x+7+x +21+3x=390

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Hina has RS 72.4

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Arslan =3(7+x)=3 x 79.4=RS 238.2

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Step-by-step explanation:

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