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3 years ago

This is stupid but if I have 90x how do I get 90?

Mathematics

2 answers:

Marrrta [24]3 years ago

7 0

Answer:

you should subtract x.

Step-by-step explanation:

Nostrana [21]3 years ago

5 0

Answer:

x=1 lol

Step-by-step explanation:

90 x 1=90 thats how u get it

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How many solutions does the equation x_1 +x_2+x_3+x_4+x_5=21 have where x_1, x_2, x_3, x_4, and x_5 are nonnegative integers and

omeli [17]

Step-by-step explanation:

$x_{1} + x_{2} + x_{3} + x_{4} + x_{5} = 21\\$ (given)

Let us consider :

$x_{1}$ = $t_{1} + 1$

$x_{2}$ = $t_{2}$

$x_{3}$ = $t_{3}$

$x_{4}$ = $t_{4}$

$x_{5}$ = $t_{5}$

Now, by substituting the above considerations in the above equation, we get:

$t_{1} + 1 + t_{2} + t_{3} + t_{4} + t_{5} = 21\\$

$t_{1} + t_{2} + t_{3} + t_{4} + t_{5} = 20\\$

where,

$t_{i}$ $\geq$ 1

then it follows

n = 20

r = 4

then no. of solutions for the eqn = $_{r}^{n + r}\textrm{C}$

= $_{4}^{24}\textrm{C}$

= 10626

Answer :

no. of solutions for the eqn 10626

4 0

3 years ago

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Verdich [7]

Answer:

Yes and No

Step-by-step explanation:

Yes, it is weird because Halloween comes first.

No, it's not weird because it is your choice.

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RUDIKE [14]

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The answer to this is Complementary Angles.

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