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shepuryov [24]
2 years ago
9

I will mark brainly, help me with this question please.​

Mathematics
1 answer:
QveST [7]2 years ago
5 0

Answer:

15 and 3

Step-by-step explanation:

<u>Create system of equations:</u>

a=5b

a+b=18

<u>Substitute:</u>

5b+b=18

6b=18

b=3

<u>Substitute:</u>

a=5(3)

a=15

Therefore, the two numbers are 15 and 3

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Simplify the expression.

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Step-by-step explanation:

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8 0
3 years ago
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If 9 students sharpen 18 pencils in 2 minutes, how many students will it take to sharpen 18 pencils in 1 minute?
Inessa [10]
Yes it's right C. 18
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5 0
3 years ago
15 Points!
Xelga [282]
f(x)=\dfrac{x-5}{x^2-1}\\\\\text{the horizontal asymptotes}\\\\x^2-1=0\to x^2=1\to x=\pm\sqrt1\to x=-1\ \wedge\ x=1\\\\\text{the vertical asymptotes}\\\\y=\lim\limits_{x\to\pm\infty}\dfrac{x-5}{x^2-1}=\lim\limits_{x\to\pm\infty}\dfrac{\frac{x}{x^2}+\frac{5}{x^2}}{\frac{x^2}{x^2}-\frac{1}{x^2}}=\dfrac{0+0}{1-0}=0

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8 0
3 years ago
At which angle will the hexagon rotate onto itself?<br> 60<br> 90°<br> 120°<br> 180°
-BARSIC- [3]

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3 0
2 years ago
The sum of two numbers is forty-five. two times the larger number is three times the smaller number.
Kitty [74]
X+y=45
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The two numbers are 18 and 27
8 0
3 years ago
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