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Mkey [24]
3 years ago
14

Please help me out with this :) and explain if you can

Mathematics
1 answer:
KonstantinChe [14]3 years ago
6 0

Answer:

there are twelve total combinations

Step-by-step explanation:

just by looking at the problem though,

ABCD

AB

AC

AD

BA

BC

BD

CA

CB

CD

DA

DB

DC

normally, because some of them are repeated, we need to get rid of some

AB

AC

AD

BC

BD

DC

since this is about passwords though, we need to keep all of the same twelve combinations because the order of the letters are important

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Convert 7x + 3y = −1 to slope-intercept form.
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Hi there!

Let's solve this problem step by step!

7x + 3y =  - 1
To convert this formula to slope-intercept form, we must isolate y.

First bring 7x to the left by subtracting 7x from both sides of the equation.
3y =  - 7x - 1

Finally we need to divide both sides of the equation by 3.
\frac{3y}{3}  =  \frac{ - 7x - 1}{3}

Do some simple algebra and we find:
y =  -  \frac{7}{3} x -  \frac{1}{3}   \\ y =  - 2 \frac{1}{3} x -  \frac{1}{3}
~ Hope this helps you!
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Step-by-step explanation:

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3 years ago
Simplify <br> (C/3)^2<br><br> A: c^2/3<br> B: c^2/9<br> C:c/9<br> D:9c^2
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Answer:

B:  c²/9

Step-by-step explanation:

                                    c²

(c/3)² is the same as ------'

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Read 2 more answers
Which equation describes the line which passes through the points (0. 17, 0) and (0, 0.51)
zloy xaker [14]

Answer:

The equation of line which passes through the points (0. 17, 0) and (0, 0.51) is y=-3x+0.51.

Step-by-step explanation:

It is given that the line passing through the points (0. 17, 0) and (0, 0.51).

The slope of the line is

m=\frac{y_2-y_1}{x_2-x_1}=\frac{0.51-0}{0-0.17}=-3

The slope intercept form of the line is

y=mx+b

Where, m is slope and b is y-intercept.

Equation of the line is

y=-3x+0.51

The other way to write the equation is shown below.

The point slope form of the line is

y-y_1=m(x-x_1)

y-0=-3(x-0.17)                  ....(1)

y-0.51=-3(x-0)                 .....(2)

Therefore equation of line which passes through the points (0. 17, 0) and (0, 0.51) is y=-3x+0.51.

4 0
3 years ago
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