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Ostrovityanka [42]
4 years ago
8

Step A: = –c + = Step B: = Determine the justification for the steps from the derivation of the quadratic formula. Justification

of step A: Justification of step B:
You get 88 POINTS if you answer!
Mathematics
2 answers:
kompoz [17]4 years ago
8 0
The correct answers are common denominator and multiplication property of equality.

Hope this helps! It was correct for me!
amid [387]4 years ago
5 0

Answer:

correct! thank u

Step-by-step explanation:


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ΔBLK is ≅ to Δ What? by the rule of:
UNO [17]
It is triangle ACK by the rule of AAS.

Angle, Angle, Side
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4 years ago
HELP...... rewrite the equation by completing the square.<br> x ^2 +10x+16=0
Sonbull [250]

Answer:

(x+5)^{2} = 9

Step-by-step explanation:

To complete the square you need to add \frac{b}{2}^{2}to both sides. (Parenthesis around b/2)

b = 10

b/2 = 5

(b/2)^2 = 25

x^{2} +10x + 16 = 0

subtract 16 to both sides

x^{2} + 10x = -16

add 25 to both sides

x^{2} +10x + 25 = 9

Perfect Square Trinomial Factoring

(x+5)^{2} = 9

5 0
3 years ago
A factory that makes can openers has fixed costs for building, fixtures, machinery, etc. of $26,000. The variable cost for
DIA [1.3K]

Answer:

I think it's B 81,000

Step-by-step explanation:

20000 x 2.75 is 55000

55000 + 26000 is 81000

3 0
4 years ago
2. ** You have $10 to spend on lunch today and want both a drink and a salad. The drinks cost $1.25 each
Svetlanka [38]

$0.20x + $1.25 = $10

Where x = ounces of salad

3 0
4 years ago
Please help me with this
anastassius [24]

Answer:

The answer to your question is the letter A.

Step-by-step explanation:

Data

radius = 12 ft

Circumference = ?

Process

The Circumference is the length of the border of a circle. To find the length of this border, just use the formula, substitute the radius and pi and simplify.

Formula

Circumference = 2πr

Substitution

Circumference  = 2(3.14)(12)

Simplification

Circumference = 75.36 cm

7 0
4 years ago
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