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RoseWind [281]
3 years ago
6

MathWiz wya? I need some help with this...show your work <3

Mathematics
2 answers:
denpristay [2]3 years ago
7 0

Answer:

1) -15+8i

2) x^2+2x-5

Step-by-step explanation:

1) apply perfect square formula

(4i)^2+2*4i1+1^2

then simplify

2)remove parentheses

x+1+(x-2)(x+3)

expand (x-2)(x+3)

x+1+x^2+x-6

simplify x+1+x^2-6 = x^2+2x-5

Sergio [31]3 years ago
7 0

Step-by-step explanation:

join id.526 036 9015 ,pas.12345

zoom

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PLS HELP
-BARSIC- [3]

Answer:

I believe the answer would be 32.64

Step-by-step explanation:

$24 x 36% = 8.64

8.64 + 24 = $32.64

7 0
2 years ago
5/2b+(-25/2)=-10 what is the value of b?
gulaghasi [49]
The value of b in the equation 5/2b+(-25/2) is 1. 

8 0
3 years ago
The ratio of girls to boys in a a gardening club was 6:2 there were 16 boy how many are girls
marishachu [46]

Answer:

I don't know

Step-by-step explanation:

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3 0
2 years ago
Plz help thank you<br> correct ans only
kakasveta [241]

Answer:

B

Step-by-step explanation:

8 0
3 years ago
Read 2 more answers
Find the equation of the locus of a point that moves so that its distance from the line 12x-5y-1=0 is always 1 unit.
leonid [27]

<u>Answer-</u>

The equations of the locus of a point that moves so that its distance from the line 12x-5y-1=0 is always 1 unit are

12x-5y+14=0 \\ 12x-5y-14=0

<u>Solution-</u>

Let a point which is 1 unit away from the line 12x-5y-1=0 is (h, k)

The applying the distance formula,

\Rightarrow \left | \frac{12h-5k-1}{\sqrt{12^2+5^2}} \right |=1

\Rightarrow \left | \frac{12h-5k-1}{\sqrt{169}} \right |=1

\Rightarrow \left | \frac{12h-5k-1}{13} \right |=1

\Rightarrow 12h-5k-1=\pm 13

\Rightarrow 12h-5k=\pm 14

\Rightarrow 12h-5k=14,\ 12h-5k=-14

\Rightarrow 12h-5k-14=0,\ 12h-5k+14=0

\Rightarrow 12x-5y-14=0,\ 12x-5y+14=0

Two equations are formed because one will be upper from the the given line and other will be below it.

4 0
3 years ago
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