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Nimfa-mama [501]

2 years ago

5

Which inequality is the solution to 20+2 < Ž -8?

1 answer:

Maru [420]2 years ago

5 0

Answer:

the 20 +2

Step-by-step explanation:

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How to solve this system of equal: x+y+z=1;x^2+y^2+z^2=1

swat32

There are infinitely many solutions.

Algebraically, we can eliminate $z$ and try to solve for $x,y$ :

$x+y+z=1\implies z=1-x-y$

Then

$x^2+y^2+(1-x-y)^2=1$

$\implies x^2+y^2+1-2x+x^2-2y+y^2+2xy=1$

$\implies x^2-x+y^2-y+xy=0$

which is the equation of an ellipse.

5 0

3 years ago

Write the recurring decimal 0.5 as a fraction in its simplest form.

sergejj [24]

Answer:

0.5×2/2=1/2 is the required fraction.

8 0

2 years ago

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Help me with 7.998 / 00.7008=

Lapatulllka [165]

7.998/0.7008=11.41267123287671

That's a big answer haha...

Well I hope this helps! :D

5 0

2 years ago

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Jennifer buys school supplies for $12.16. The sales tax is 7.25% what is the amount of tax for Jennifer’s purchases? Show how yo

11111nata11111 [884]

Answer:

$12.16 x .0725 = .8816 round is .88 cents

Step-by-step explanation:

change % to decimal and multiply

7 0

2 years ago

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The point P=(3/4, y) lies on the unit circle. What is the value of y in simplest form?

laila [671]

Answer:

Step-by-step explanation:

if (x,y) is any point on unit circle then

x²+y²=1²

x²+y²=1

(3/4)²+y²=1

9/16+y²=1

y²=1-9/16=(16-9)/16=7/16

y=±√7/16

4 0

2 years ago