3 years ago

Which word describes the slope of the line?

Mathematics

2 answers:

Aneli [31]3 years ago

6 0

B) negative. Is the answer

EastWind [94]3 years ago

4 0

Answer: To me it (Zero) or (Undefined)

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two lines, r and m, are represented by the following equations: line r: 2x 2y = 18 line m: x y = 9 which statement is true about

Masja [62]

Line r is twice line m. i.e. r = 2s which means that they are linearly dependent.

Therefore there are infinitely many solution to the given set of equations.

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3 years ago

Which expression is equivalent to the following complex fraction?

jekas [21]

Answer: last option.

Step-by-step explanation:

- Subtract the fractions that are in the numerator.

- Add the fractions that are in the denominator.

Then:

$\frac{\frac{1}{x}-\frac{1}{y}}{\frac{1}{x}+\frac{1}{y}}=\frac{\frac{y-x}{xy}}{\frac{y+x}{xy}}$

- Multiply the numerator of the fraction on the top by the denomianator of the fraction on the bottom.

- Simplify.

Then:

$=\frac{(y-x)(xy)}{(y+x)(xy)}=\frac{(y-x)}{(y+x)}$

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3 years ago

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At lunchtime you stand by a vending machine. You survey every student who buys something from the vending machine. Is this quest

Andrews [41]

No, a bias question is when the speaker is predisposed to accept one particular answer as the right.

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3 years ago

Peter is saving money to buy an MP3 Player. After one month, he has $50. After two months he has $85. After three months, he has

taurus [48]

Answer:

9 months

Step-by-step explanation:

peter is saving 35 dollars per month.

295=35x

295/35=8.42 which is less than 295

9 is an approximate answer

35*9 equals 315, which is enough to pay 295 and have 20 dollars left over

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3 years ago

Subtract the following rational expressions

lesya692 [45]

$\dfrac{2k}{3k-7} - \dfrac{3}{8k} = \dfrac{8k(2k)}{8k(3k-7)} - \dfrac{3(3k-7)}{8k(3k-7)} = \dfrac{8k(2k)-3(3k-7) }{8k(3k-7)} = \dfrac{16k^2 - 9k + 21}{24k^2-56}$

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3 years ago