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4 years ago

Will the opposite of a positive number always sometimes or never be a positive number

Mathematics

2 answers:

BlackZzzverrR [31]4 years ago

4 0

Answer: Never

Step-by-step explanation: The opposite of all positive numbers are negative.

ahrayia [7]4 years ago

3 0

Never be a positive number.

Opposite means its on the opposite side of the number line.

For example, the opposite of 5 is -5.

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I NEED HELP PLEASE, THANKS! :)

Elena L [17]

Answer:

First option is the right choice.

Step-by-step explanation:

$\frac{1}{\cos \left(x\right)+1}+\frac{1}{\cos \left(x\right)-1}\\\\\frac{\cos \left(x\right)-1}{\left(\cos \left(x\right)+1\right)\left(\cos \left(x\right)-1\right)}+\frac{\cos \left(x\right)+1}{\left(\cos \left(x\right)+1\right)\left(\cos \left(x\right)-1\right)}\\\\=\frac{\cos \left(x\right)-1+\cos \left(x\right)+1}{\left(\cos \left(x\right)+1\right)\left(\cos \left(x\right)-1\right)}\\\\=\frac{2cos\left(x\right)}{cos^2\left(x\right)-1}\\\\=\frac{2cos\left(x\right)}{sin^2\left(x\right)}$

$=2\cdot \frac{cos\left(x\right)}{sin\left(x\right)}\cdot \frac{1}{sin\left(x\right)}\\\\=-2cot(x)csc(x)$

Best Regards!

7 0

3 years ago

Betsy's mom likes to bake.

Readme [11.4K]

She needs 8 1/8 cups of flour to make all 3 1/4 batches of cookies (doesn't have enough flour). As a result, she will have to get 1 1/8 more cups of flour.

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3 years ago

What is the quotient

ratelena [41]

Answer:

Step-by-step explanation:

Flip the second fraction and multiply.

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3 years ago

the perimeter of a triangle is 29cm. the three sides lengths (all measured in cm) of the triangle are 8, 12 and x. Write and sol

Tasya [4]

Step-by-step explanation:

We have 8 + 12 + x = 29.

Solving, we get x + 20 = 29, x = 9.

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3 years ago

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CAN YOU ANSWER BOTH QUESTIONS PLEASEE

galina1969 [7]

Answer:

a) He calculated the area, not the circumference. The equation for the area of a circle is πr², while the equation for the circumference is 2πr.

b) He would need at least 3 quarts of paint. 200.96/75≈2.68 He would need that approximately 2.68 quarts of paint, but I suppose the question is asking you the least amount of whole number quarts of paint. The answer for that would then be 3.

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3 years ago