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Charra [1.4K]
3 years ago
12

What number must you add to complete the square? x^2+6x=23

Mathematics
1 answer:
Shalnov [3]3 years ago
8 0

Answer:

9

Step-by-step explanation:

using the formula (b/2)^2 you will divide 6 by 2 and square it. you will get 9. if you add 9 to the left side, you would have to add it on the right side as well (23+9=32). your answer should look like x^2+6x+9=32

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Elena-2011 [213]
The answer would be: 13^3.

This is because 2-4= -2
Then you add -2 to 5 and you would get 3. So the exponent is 3.
I hope this helps :)
4 0
3 years ago
Ms. Bohannon has 45 students in her 6th grade class. There is a ratio of boys to girls is 5 to 6. Which number could be the numb
Schach [20]

Answer:

5 boys could be the Answer im pretty sure its the Anwser ?

Step-by-step explanation:

8 0
2 years ago
Read 2 more answers
Emily says that a square is always a rectangle. Jenna says a rectangle is always a square. Who is correct and why are they corre
Travka [436]

Answer:

Jenna is right

Step-by-step explanation:

Jenna is right because what makes up a square is its four sides. When calculating the area of a rectangle you use the same formula as you would for a square. A rectangle is just an elongated square.

5 0
2 years ago
Store had a sale on our supplies the price p of each item was mark down 60% which expression represents the new price
vlada-n [284]

Answer:

0.4p or p-0.6p

Step-by-step explanation:

We use percents in decimal form to multiply it with the price. We convert percents into decimals by dividing the percent number by 100. For example, 78% divided by 100 becomes 0.78.

There are two ways to look at it:

  • For finding the price we pay during a sale, we focus on the percent we pay. If 60% off is the sale, then we spend 40% or 100-60=40. 40% is 0.40. Multiply that by p an unknown price and we have 0.4p.
  • We can find the percent off by multiplying the price by the percent conversion. So 60% is 0.60. Then subtract it from the original price to find the leftover that we pay. This is p-0.6p.
8 0
3 years ago
Is someone able to help me with this please I don't understand.
gulaghasi [49]

Answer:

d

Step-by-step explanation: if you pay attention to this answer its for points thanks

6 0
2 years ago
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