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stira [4]
3 years ago
5

How do you write an equation for a a line perpendicular to a line with only having the equation and not graphing?

Mathematics
2 answers:
slamgirl [31]3 years ago
8 0
Perpendicular lines gradients times to get -1 so you just use a line with any y intercept but the gradient must times with the gradient you already have to get minus one.
Arturiano [62]3 years ago
7 0
Put each formula in y=mx+b form, then find the inverse of m.  
Ex: 
1. x+y=2
y=x-2
the inverse of 1 is -1 so the perpendicular line would be y=-x-2
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The nutrition facts label on a container of dry roasted cashews indicates there are 161 calories in 28 grams. You eat 9 cashews
RoseWind [281]

Answer:

there are 161 calories in 28 gram,then:

one gram of dry roasted cashews contains=161/28=5.75 calories

You eat 12 gram of it, =12*5.75=69 calories


9 cashews  has 12gram, then:

one gram of dry roasted cashews contains= 9/12 = 0.75 cashews

there are total of 28gram in one serving.

Therefore cashews in one serving = 0.75*28=21cashews

a)69 calories

b)21cashews

4 0
3 years ago
when (2x - 3)^2 is subtracted from 5x^2, what is the result? And how can I show the answer? Thank you x
Leni [432]
5x^2 - (2x - 3)^2 = 
5x^2 - ((2x - 3)(2x - 3)) =
5x^2 - (4x^2 - 6x - 6x + 9) =
5x^2 - (4x^2 - 12x + 9) =
5x^2 - 4x^2 + 12x - 9 =
x^2 + 12x - 9 <===
3 0
3 years ago
Read 2 more answers
An internet company charges $13.99 for a dvd plus a one-time shipping fee of $5.99. You have no more than $115 to spend. What is
makkiz [27]

one CD is $19.98 with the shipping fee so use what money you have and see what you get :)

8 0
3 years ago
Index notation 200 ..........................................
Tju [1.3M]

Answer:

I don't know if you're asking for the product of prime using index notation but I got :

2 × 2 × 2 × 5 × 5

4 0
3 years ago
What two integers is square root 50between
lilavasa [31]
√50 lies between 7 and 8.
8 0
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