3 years ago

5. 3x + 5 (x = -6) will give 5 stars

Mathematics

1 answer:

german3 years ago

7 0

Answer:

-13

Step-by-step explanation:

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In arithmetic, variables look like ______.

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Anything. Variables look like anything, because a variable is just a placeholder for whenever you want to put in another number.

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3 years ago

Which value is a solution of 7/4x^2-2=-0.5+4?

KatRina [158]

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Step-by-step explanation:

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3 years ago

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Simplify the expression.<br><br>Write your answer without negative exponents.

pantera1 [17]

Answer: $\frac{5a^2}{-10a^4b^9}$

Step-by-step explanation:

Any negative exponent can be moved to the other side of the fraction as a positive exponent.

Thus, simply move the negative exponents to get: 5a^2/b*b^8*-10a^4. Then, use the exponent rule to get 5a^2/-10a^4b^9

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4 years ago

3/4 + 1/2 + 1/3 + 2/9 + ....... = 9/4 es verdadero oh falso y como se resuelve ?

Ahat [919]

The missing fraction is 7/9

<h3>Finding missing values in an addition equation</h3>

The given equation is:

$\frac{3}{4}+\frac{1}{2}+\frac{2}{9}+x=\frac{9}{4}$

This can be simplified as:

$\frac{27+18+8+36x}{36} =\frac{9}{4} \\\\\frac{53+36x}{36} =\frac{9}{4}$

Cross multiply

$9(36)=4(53+36x)\\\\324=212+144x\\\\144x=324-212\\\\144x=112\\\\x=\frac{112}{144} \\\\x=\frac{7}{9}$

Therefore, the missing value is $\frac{7}{9}$

Learn more on addition equations here: brainly.com/question/702197

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2 years ago

Which ordered pair is a solution to the system?

andreev551 [17]

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3 years ago