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2 years ago

Write two monomials with a product of -84a^6b^10

Mathematics

2 answers:

rjkz [21]2 years ago

5 0

(-2a^5b^4) * (42ab^6) = -84a^6b^10

Vitek1552 [10]2 years ago

5 0

(-4a³b²)(-21a³b^8) can be an answer

to return, use the foil method. Remember that when multiplying variables with powers, add the powers

hope this helps

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2 years ago

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Help with 6 a and b please

34kurt

Answer:

a) $y=\frac{50}{x}$

b) $y=25$ when $x=2$

Step-by-step explanation:

$y=\frac{k}{x}$ since y varies inversely with x.

We need to find the constant, k.

Let's use a point (x,y) on the curve.

We are given an (x,y)=(5,10):

$10=\frac{k}{5}$

Multiply both sides by 5:

$10(5)=k$

$50=k$ .

So the equation is:

$y=\frac{50}{x}$

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$y=25$

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2 years ago

Find the student’s error in solving the following inequality.

Mars2501 [29]

Answer:

The correct option is:

The student should have switched the direction of the inequality sign to get –5> x for a final answer

Step-by-step explanation:

The students has made a mistake in the 3rd step.

We know that when we multiply or divide any negative number on both sides of the inequality, the sign of inequality reverse its direction.

In step 3 the student divided 25 by -5 but did not switch direction of the inequality sign.

Therefore the correct option is: The student should have switched the direction of the inequality sign to get –5> x for a final answer

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