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Amanda [17]
3 years ago
9

Here are two steps from the derivation of the quadratic formula​

Mathematics
1 answer:
frosja888 [35]3 years ago
5 0

Answer: Completing the square, means

adding ( half the coefficient of the x- term )² to both sides, that is

(  )² is added to both sides

Step-by-step explanation:

ur pretty btw

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Anyone plz help me I am sooo confused
belka [17]

Answer:

3.

Step-by-step explanation:

The scale factor is basically what figure B is divided by.

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8 0
3 years ago
What value for x satisfies the equation below? 12(x-2)+3x=13(x+12)+10x
inna [77]

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Step-by-step explanation:

Isolate the variable by dividing each side by factors that don't contain the variable.

8 0
3 years ago
A farmer wants to fence in a rectangular area that is 1/8 mile wide by 1/4 mile long. which of the following proportions can the
nikitadnepr [17]
1mi = 5280feet
 The first thing you should do in this case is to calculate the perimeter of the rectangle which will be given by:
 P = 2 * L + 2 * W
 Where
 L = long
 W = width
 Calculating we have:
 P = 2 * (1/4) + 2 * (1/8)
 P = 1/2 + 1/4
 P = 3/4 mi
 To calculate this distance to feet we have to use the following expression:
 (3/4) / (x) = 1/5280
 answer:
<span> B) 3/4 miles divided by x= 1 mile/5280ft 
</span>
7 0
3 years ago
Read 2 more answers
Jon ran 4 miles in 35<br> minutes. How long did it<br> take him to run a mile
sesenic [268]

Answer:

35/4 minutes per mile

Step-by-step explanation:

rate = time/distance, therefore the answer is 35/4

4 0
3 years ago
Write the product as a trinomial.
ddd [48]
1.  2r-5
2.  -21r-50
3.  4r-50
4.  14r+50
5.  19r-50
8 0
3 years ago
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