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4 years ago

Write the expression -3x 2 + 2y 2 + 5xy - 2y + 5x 2 - 3y 2 in simplest form. Then, answer the following questions.

1 answer:

Nadusha1986 [10]4 years ago

6 0

For the answer to the question above, the answer is
2x^2-y2-2y-5xy
A.There are 4 terms in the simplified equation.
B. In the simplified equation, there are 3 terms which are negative.
I hope my answer helped you. Have a nice day!

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I need help with this

cupoosta [38]

Answer:

x=45

Step-by-step explanation:

This is a triangle so it interior degrees will add up to 180.

Since Line AC is tangent to Circle O at point c, Point C measures 90 degrees.

We can find OAC by using the triangle interior theorem,

$45 + 90 + x = 180$

$135 + x = 180$

$x = 45$

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3 years ago

Find the 15th term of the geometric sequence 7, -21, 63, ...7,−21,63,

Anastasy [175]

Answer:

not sure

Step-by-step explanation:

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3 years ago

Prove that 2✓3 is an irrational number .

Ainat [17]

Answer:

$\bold{2\sqrt{3} ~is~irrational.}$

Step-by-step explanation:

Hi there!

$\bold{2\sqrt{3} }$ is an irrational number.

Now, what is an irrational number? An irrational number is a number that goes on for ever.

Examples: $\bold{\pi ,\sqrt{2} , \sqrt{3} ....}$

$\bold{\sqrt{3} }$ is a surd (an irrational square root)

If we multiply 2 times $\bold{\sqrt{3} }$ , we will get an irrational number.

Thus, $\bold{2\sqrt{3} }$ is an irrational number.

Hope it helps! Enjoy your day!

$\bold{GazingAtTheStars}$

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2 years ago

Evaluate the expression.<br><br><br> x2−4x for x=−1<br> no links or files pls.

qaws [65]

Answer:

${x}^{2} - 4x \\ {( - 1)}^{2} - 4( - 1) \\ 1 + 4 = 5$

I hope I helped you^_^

7 0

3 years ago

What are the variables in 3c + 5 + 7s + 2 + x

DaniilM [7]

Answer: C, S, and X

Step-by-step explanation: These are the variables to your equation.

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3 years ago

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