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kobusy [5.1K]
3 years ago
6

X^2- 4x- 12 = 0 Solve by factoring and solve by completing the square​

Mathematics
1 answer:
DiKsa [7]3 years ago
8 0

Use the formula (b/2)^2 in order to create a new term. Solve for by using this term to complete the square.

Cannot solve by completing the square.

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Decrease 119kg by 2/7
slava [35]

Answer:

51

Step-by-step explanation:

1-2/7 = 3/7

119 x 3/7 = 51

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Given the equation –2x + 3y = 18, what are the x-intercept and y-intercepts of the graph?
bogdanovich [222]
Y-intercept happens at x=0. Plug that into the equation. you'll get the y-intercept happens at (0,6). Then, to find the x-intercept y=0. Plug that into the equation. You'ff find that the x-intercept happens at (-9,0)
5 0
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Rectangle measures 15/2 inches by 4/3 inches. What is it’s area?
erica [24]

Answer:

10 inches squared

Step-by-step explanation:

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A= lw

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3 years ago
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The percentage profit earned by selling a watch for Nu 1920 is equal to the percent loss incurred by selling the same watch for
dimaraw [331]

Answer:

2,000

Step-by-step explanation:

The computation of the price that should be sold for making 25% profit is shown below:

Let cost price be x

Now the equation would be

(1,920 - x) ÷ x × 100 = (x - 1,280) ÷ x × 100

1,920 - x = x - 1,280

2x = 3,200

x = 1,600

Now the sale price would be

= 1,600 × 1.25

= 2,000

6 0
3 years ago
Zack and his dad baked some cupcakes for his class. They put 6 cups on each of 8 plates. How many cupcakes did they put on the p
kolezko [41]

Answer:

48 cupcakes were put on the plates.

Step-by-step explanation: 6 x 8 = 48

I hoped this answer helped you solve your problem!

Sincerely, iloveyouplease123ims

8 0
3 years ago
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