3 years ago

How to solve a circle of a radius of 12

Mathematics

1 answer:

dsp733 years ago

7 0

Your radius would have to be 1.91

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what is the least possible value of the smallest of 99 consecutive positive integers whose sum is a perfect cube

Dmitrij [34]

Let the least possible value of the smallest of 99 cosecutive integers be x and let the number whose cube is the sum be p, then

$\frac{99}{2} (2x+98)=p^3 \\ \\ 99x+4,851=p^3\\ \\ \Rightarrow x=\frac{p^3-4,851}{99}$

By substitution, we have that $p=33$ and $x=314$ .

Therefore, the least possible value of the smallest of 99 consecutive positive integers whose sum is a perfect cube is 314.

3 0

3 years ago

Solve using substitution. y = -10x-10 y = -3x + 4

Nikolay [14]

-10x-10 = -3x+4
+3x +3x
————————
-7x-10 = 4
+10 +10
————————
-7x = 14
then divide -7 on both side of the equal sign
you’ll get x=-2

then plug in -2 as x into one of the equations ( it doesn’t matter which one)

y= -10(-2)-10 = 20-10= 10

so y=10

4 0

3 years ago

How do you work out 5 2/3 - 2 3/4 ???

loris [4]

Hi,
i worked out the problem and I attached the picture