3 years ago

Please help me !!! A question for Pre- Calculus Conic Sections!

Mathematics

1 answer:

8090 [49]3 years ago

4 0

I think it’s either parabola or eillse

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What is that first step in solving the equation 2x-1=3?

ddd [48]

Answer:

subtract 1 then divide 2

Step-by-step explanation:

5 0

2 years ago

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Original:45 new:30 percent of change

Sveta_85 [38]

<u>Answer:</u>

<u>Explanation:</u>

30-45 = -15

percent of change = 100(-15/45) = -33.33%

6 0

2 years ago

The graph of a line passes through the points (0, -2) and (6.0). What is

9966 [12]

Answer:

$y=\frac{1}{3}x-2$

Step-by-step explanation:

The equation of a line is given in the form $y=mx+b$

Where

m is the slope with formula $m=\frac{y_2-y_1}{x_2-x_1}$

and

b is the y-intercept [y axis cutting point of line]

Given the two points (0, -2) and (6,0),

x_1 = 0

y_1 = -2

x_2 = 6

y_2 = 0

Now, we find m using formula:

$m=\frac{0+2}{6-0}=\frac{1}{3}$

Now we have

$y=\frac{1}{3}x+b$

Finding b, we plug in any (x,y) point. Lets put (6,0) and find b:

$y=\frac{1}{3}x+b\\0=\frac{1}{3}(6)+b\\0=2+b\\b=-2$

Thus,

equation of line = $y=\frac{1}{3}x-2$

5 0

3 years ago

Somebody help me please

Nookie1986 [14]

Answer:

Cannot pretty positive

4 0

2 years ago

The following sets of numbers are possible side lengths of a triangle. Which of the following sets forms a Pythagorean triple?

sveta [45]

A Pythagorean triple means that when you do Pythagorean theorem, a, b and c will all be integer values. The largest number will always be put in for the 'c'.
Letter B is a Pythagorean triple.
28^2 + 45^2 = 53^2
784 + 2025 ?=? 2809
2809 = 2809

3 0

2 years ago

Read 2 more answers