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Sever21 [200]
3 years ago
8

Points (1,1) and (2,4) lie on line k. what is the slope of the line that is perpendicular to k?

Mathematics
1 answer:
makkiz [27]3 years ago
4 0
-1/3 is the slope of the line perpendicular to k
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Calculate the discriminant: 5x² + 2x − 2 = 0
Darya [45]

Answer:

44

Step-by-step explanation:

The equation is of the form  a x ²+bx +c = 0 where

a = 5, b= -2, c= -2

The Discriminant is given by:

Δ= b²− 4  * a  *  c

=  (−2²)−  ( 4  *  5  *  ( −  2 ) )

=  4 +  40

= 44

8 0
4 years ago
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You have $90 in your bank account. Each work you plan to deposit $3 from your allowance and $25 from your paycheck. The equation
aniked [119]
90+(25+8)W=220
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3 0
3 years ago
Is this right? i’m not sure
mixas84 [53]
My only issue is that it says numbers between. It does not say including. Therefore, I think you want to use > and < instead of the ones with equals signs attached. 
4 0
4 years ago
Look at the fractions below. which one of these fractions is not equivalent to the other three?​
Natasha_Volkova [10]

Answer:

12/28

Step-by-step explanation:

All 18/48, 3/8, and 27/72 are simplified or non simplified versions of each other, as 27/72 and 18/48 can simplify to 3/8.

4 0
3 years ago
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Can someone please help me and explain how to do it
jarptica [38.1K]

Answer:

127

Step-by-step explanation:

so h(g(-5)) means that solve the function in a specific way. This means that solve for function h but the x is the answer to function g when x is -5. So first what u do is solve for g. Plug -5 in so u get -5-3 which is -8. Then u plug in -8 to function h. U have 2(-8)^2-1. Then u solve the square which is 64. Then u multiply that by 2 to get 128. Then u minus one to get ure final answer of 127. Hope this helps :D

7 0
3 years ago
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