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2 years ago

How much money would you give your mom?

2 answers:

6 0

6. She has her own money, we as children should not let parents hold our money because our possibility is that they are going to take an advantage of our money spending.

ale4655 [162]2 years ago

3 0

5. $1000
am confused is this a tegular question ir wat.....

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f x + y is rational, must x and y each be rational? A) Yes; because the sum of rationals is rational. B) No; because the sum of

Rudik [331]

The answer is D) Yes; because x and y must be integers, and integers are rational.

7 0

3 years ago

Please Help!!

Genrish500 [490]

Given

$a\sqrt{x+b}+c=d$

we have

$\sqrt{x+b}=\dfrac{d-c}{a}$

Squaring both sides, we have

$x+b=\dfrac{(d-c)^2}{a^2}$

And finally

$x=\dfrac{(d-c)^2}{a^2}-b$

Note that, when we square both sides, we have to assume that

$\dfrac{d-c}{a}>0$

because we're assuming that this fraction equals a square root, which is positive.

So, if that fraction is positive you'll actually have roots: choose

$a=1,\ b=0,\ c=2,\ d=6$

and you'll have

$\sqrt{x}+2=6 \iff \sqrt{x}=4 \iff x=16$

Which is a valid solution. If, instead, the fraction is negative, you'll have extraneous roots: choose

$a=1,\ b=0,\ c=10,\ d=4$

and you'll have

$\sqrt{x}+10=4 \iff \sqrt{x}=-6$

Squaring both sides (and here's the mistake!!) you'd have

$x=36$

which is not a solution for the equation, if we plug it in we have

$\sqrt{x}+10=4 \implies \sqrt{36}+10=4 \implies 6+10=4$

Which is clearly false

7 0

3 years ago

A petting zoo owner is building an enclosure for his farm animals. He needs 353 feet of fencing. The supply store sells fencing

jolli1 [7]

353/12 =29.41. But will have to round up to 30 so the answer is 30

4 0

3 years ago

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At the end of a film, the year is given in Roman numerals.

dem82 [27]

Answer:

MMVI=2006 M MEANS 1000 AND ONE MORE M MEANS 1000 TOTAL 2000 THEN VI IS THE NUMBER SIX 6

5 0

3 years ago

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20 POINTS!!!

Inga [223]

Step-by-step explanation:

I think option A is the correct answer

Because it is in ascending order

4 0

3 years ago

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