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77julia77 [94]
2 years ago
10

What is the area of a triangle with vertices at (−2, 1) , (2, 1) , and ​ (3, 4) ​ ?

Mathematics
2 answers:
natima [27]2 years ago
6 0

its 6 hope this helps


VMariaS [17]2 years ago
3 0
Check the picture below

area of a triangle is 1/2 bh

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ILL GIVE BRAINLIEST!!!<br><br> No need for explanation, just an answer is fine. Thank you.
Naddika [18.5K]

Answer:

10

Step-by-step explanation:

5 0
2 years ago
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For the functions f(x)=2x^2+3x+9 and g(x)=−3x+10 find (f⋅g)(x) and (f⋅g)(1)
pashok25 [27]

Step-by-step explanation:

f(x)=2x²+3x+9

g(x) = - 3x + 10

In order to find (f⋅g)(1) first find (f⋅g)(x)

To find (f⋅g)(x) substitute g(x) into f(x) , that's for every x in f (x) replace it by g (x)

We have

(f⋅g)(x) = 2( - 3x + 10)² + 3(- 3x + 10) + 9

Expand

(f⋅g)(x) = 2( 9x² - 60x + 100) - 9x + 30 + 9

= 18x² - 120x + 200 - 9x + 30 + 9

Group like terms

(f⋅g)(x) = 18x² - 120x - 9x + 200 + 30 + 9

(f⋅g)(x) = 18x² - 129x + 239

To find (f⋅g)(1) substitute 1 into (f⋅g)(x)

That's

(f⋅g)(1) = 18(1)² - 129(1) + 239

= 18 - 129 + 239

We have the final answer as

<h3>(f⋅g)(1) = 128</h3>

Hope this helps you

3 0
3 years ago
A certain clock loses 15 minutes every hour. SUppose the clock is set to the correct time at 9am. What will the correct time be
Nikitich [7]

Answer:

from my understanding te correct time will be at 10:15am

Step-by-step explanation:

4 0
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Drupady [299]

Been a bit since i’ve done this kind of problem.

X+4=20

X is the number of hours needed to work, while 4 is the hours already there.

8 0
3 years ago
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Help! ASAP! <br> f(x)=x^2 . What is g(x)?
vazorg [7]
I’m pretty sure it’s D, if you count your boxes from the origin you go up four and over one so it would be 4x for slope
3 0
3 years ago
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