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3 years ago

HELP PLEASE I BEG YOU IR EALLY NEED HELP!!!!/

Mathematics

2 answers:

jasenka [17]3 years ago

8 0

The answer is 1.b 2. d 3. c 4. c

ella [17]3 years ago

6 0

925 in= C
question 7) A
question 8) A
question 9) a
question 1) B
question 2)D
question 3) A
question 4)D
question5) C

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Determine whether the three given points are collinear. (3, 2), (4, 6), (0, 8) True: they are collinear False: they are not coll

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Answer:

They are not co-linear.

Step-by-step explanation:

For three point's to be co linear the slopes of the lines connecting them should be same

Mathematically we can write for $(x_{1},y_{1}),(x_{2},y_{2}),(x_{3},y_{3})$

to be co-linear we should have

$\frac{y_{3}-y_{2}}{x_{3}-x_{2}}=\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{y_{3}-y_{1}}{x_{3}-x_{1}}$

Applying the given values we obtain

$\frac{y_{3}-y_{2}}{x_{3}-x_{2}}=\frac{8-6}{0-4}=-1/2\\\\\frac{y_{2}-y_{1}}{x_{2}-x_{1}}=\frac{6-2}{4-3}=3\\\\\frac{y_{3}-y_{1}}{x_{3}-x_{1}}=\frac{8-2}{0-3}=-2$

As we can see the values are not equal thus the points are not co-linear.

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3 years ago

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Shtirlitz [24]

Answer:

Step-by-step explanation:

20 percent (calculated percentage %) of what number equals 18? Answer: 90.

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