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Bogdan [553]
3 years ago
12

Find the least common multiple of 2, 8 and 20.

Mathematics
2 answers:
Liula [17]3 years ago
8 0

Answer:

40

Step-by-step explanation:

charle [14.2K]3 years ago
7 0

Answer:

40

Step-by-step explanation:

squeee

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Which equation represents the circle described? (in picture)
Sedaia [141]
You are right. In circle equation we have =r² so the correct answer will be C od D.  But we have to calculate the center of a circle.

x^2+y^2-8x-6y+24=0\quad|-24\\\\(x^2-8x)+(y^2-6y)=-24

Complete the square:

x^2-8x+a^2\implies a=\dfrac{8x}{2x}=4\implies x^2-8x+4^2\\\\\\y^2-6y+b^2\implies b=\dfrac{6y}{2y}=3\implies y^2-6y+3^2

And we have:

(x^2-8x)+(y^2-6y)=-24\\\\(x^2-8x+4^2)-4^2+(y^2-6y+3^2)-3^2=-24\\\\
(x-4)^2+(y-3)^2-16-9=-24\\\\(x-4)^2+(y-3)^2-25=-24\quad|+25\\\\\boxed{(x-4)^2+(y-3)^2=1}

So the answer is C (the same left side of equation).
6 0
3 years ago
Please could you help me with this question. I've been off school for a few weeks and this is my second day back in and I have n
strojnjashka [21]

Answer:

-3,2,5

for the graph start with a point at (0,2) then go over 1 and up 1

Step-by-step explanation:

3 0
2 years ago
Determine the intercepts of the line
PolarNik [594]

Answer:

y-intercept : -7

x-intercept : 7/5

Step-by-step explanation:

<em>FOR</em><em> </em><em>Y</em><em> </em><em>intercept</em><em> </em><em>put</em><em> </em><em>x</em><em> </em><em>=</em><em>0</em><em> </em><em>in</em><em> </em><em>the</em><em> </em><em>equation</em>

<em>FOR</em><em> </em><em>x</em><em> </em><em>intercept</em><em> </em><em>put</em><em> </em><em>y</em><em>=</em><em>0</em><em> </em><em>in</em><em> </em><em>the</em><em> </em><em>equa</em><em>tion</em><em>!</em>

<em> </em><em>✌️</em><em>;</em><em>)</em>

3 0
3 years ago
Read 2 more answers
Tom is 10 years younger than Becky. In two years, Becky will be twice as old as Tom. How old is Tom now?
qwelly [4]

Answer:

20

Step-by-step explanation:

7 0
3 years ago
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Harita must memorize 90 measures of music for her cello solo at a concert. She plans on memorizing 18 new measures for every 3 d
Katyanochek1 [597]
Thank you for posting your question here at brainly. I hope the answer will help you. Feel free to ask more questions.
Harita still needs to memorize, as a function of d, the number of days of practice since she began learning the piece <span>m = 90 - 6d</span>

7 0
3 years ago
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