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Alborosie
2 years ago
12

Pls help me I'm so confused

Mathematics
1 answer:
Alexus [3.1K]2 years ago
4 0

Answer:

N+5

Step-by-step explanation:

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Assume abc=def. if ab=5, ac=9 and ef=7, what is the length of bc?​
horsena [70]

Answer:

bc=  7

Step-by-step explanation:

4 0
3 years ago
The equation of a circle is x2 + y2 + 6x + 4y + 10 = 1. What is this equation written in its standard form?
Over [174]
You need to complete the square in x and in y,

x^{2}  + y^{2} + 6x + 4y + 10 = 1

First, group the x-terms and the y-terms separately.

x^{2} + 6x  + y^{2} + 4y + 10 = 1

Move the 10 to the right side by subtracting 10 from both sides.

x^{2} + 6x  + y^{2} + 4y = -9

Now complete the square in x and in y.
The constant you need to add to complete each square is the square of half of the coefficient of the x or y term. Make sure to add the constants to both sides of the equation.

x^{2} + 6x  + 9 + y^{2} + 4y + 4= -9 + 9 + 4

(x + 3)^{2} + (y + 2)^{2} = 4
8 0
3 years ago
Simplify<br>10x - (5x-x)​
Alex17521 [72]

<em>Answer:</em>

<em></em>\boxed{6x}<em></em>

<em>Step-by-step explanation:</em>

<em></em>10x - (5x-x)<em></em>

<em>Distribute the Negative Sign:</em>

<em></em>= 10x + -1 (5x - x)<em></em>

<em></em>= 10x + -1 ( 5x) + -1 (-x)<em></em>

<em></em>= 10x + -5x + x<em></em>

<em>Combine Like Terms:</em>

<em></em>= 10x + -5x + x<em></em>

<em></em>= (10x + -5x + x)<em></em>

<em></em>= 6x<em></em>

<em>Hope this helped you!</em>

3 0
4 years ago
WILL MARK BRAINLIEST!!<br><br> Which quadratic function best fits this data?
Darya [45]

Answer:

which data? are you sure this question is complete

7 0
2 years ago
26.35 x 21.5 how do you multiply it
svetlana [45]

Answer:

Step by step explanation: OK so your question is 26.35×21.5 so that is pretty easy but if you do not know that you are in the right place so what you’re gonna do is if you have a calculator then you need to take that out if you don’t then I’m going to need a piece of paper now for me it’s easy because I have a calculator and you can find a calculator on your iPad your phone etc. but yeah so you’re gonna type in 26.35 Times 21.5 now I want u do that on your own once you type in those numbers you’re going to hit the = and it’s that simple and you’ll then get your answer so I hope that helped you to learn how you multiply those the numbers.

6 0
3 years ago
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