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nasty-shy [4]
3 years ago
15

F(t)=3t^2-2 , find f(k-2)

Mathematics
1 answer:
AysviL [449]3 years ago
7 0
3(k-2)² -2
3(k²-4k+4) -2
3k²-12k+12-2
3k² -12k +10
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In the diagram below, a sequence of rigid motions maps ABCD onto JKLM.
stealth61 [152]

In the diagram, the value of the last angle will be 158°.

<h3>How to calculate the angle?</h3>

It should be noted that the total angle is a quadrilateral is 360°.

In this case, the value of the last angle will be:

= 360° - (76° + 110° + 116°)

= 360° - 302°

= 158°

Learn more about angles on:

brainly.com/question/25716982

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8 0
2 years ago
Ill Give brainleist PLZ help
NNADVOKAT [17]
I think 10 is the answer, correct me
5 0
3 years ago
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The coordinates of the three vertices of the triangle are A (x1, y1), B (x2, y2), C (x3, y3).
kaheart [24]

Answer:

Step-by-step explanation:

Using the section formula, if a point (x,y) divides the line joining the points (x  

1

​

,y  

1

​

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2

​

,y  

2

​

) in the ratio m:n, then  

(x,y)=(  

m+n

mx  

2

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+nx  

1

​

 

​

,  

m+n

my  

2

​

+ny  

1

​

 

​

)

The vertices of the triangle are given to be (x  

1

​

,y  

1

​

),(x  

2

​

,y  

2

​

) and (x  

3

​

,y  

3

​

). Let these vertices be A,B and C respectively.  

Then the coordinates of the point P that divides AB in l:k will be

(  

l+k

lx  

2

​

+kx  

1

​

 

​

,  

l+k

ly  

2

​

+ky  

1

​

 

​

)

The coordinates of point which divides PC in m:k+l will be  

⎩

⎪

⎪

⎪

⎨

⎪

⎪

⎪

⎧

​

 

m+k+l

mx  

3

​

+(k+l)  

(l+k)

lx  

2

​

+kx  

1

​

 

​

 

​

,  

m+k+l

my  

3

​

+(k+l)  

(l+k)

ly  

2

​

+ky  

1

​

 

​

 

​

 

⎭

⎪

⎪

⎪

⎬

⎪

⎪

⎪

⎫

​

 

⇒(  

m+k+l

kx  

1

​

+lx  

2

​

+mx  

3

​

 

​

,  

m+k+l

ky  

1

​

+ly  

2

​

+my  

3

​

 

​

)

6 0
2 years ago
1. The distance of a doorknob from the floor is about 1 what?
madam [21]

Answer:

It's about 3 feet

Step-by-step explanation:

6 0
2 years ago
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Jerry walked a dog from 6:40 am to 7:30 pm one day. If he was paid at the rate of 6$ per hour, how much did he earn that day?
Tom [10]

Answer:

$5

Explanation:

Since Jerry walked the dog from 6:40am to 7:30am, the total minutes that he walked the dog was 50 minutes. Also a note, an hour is 60 minutes.


Since he is paid at a rate of $6 per 60 minutes, we can make a proportion.

   660=x50


From here, you have to solve for x. So cross multiply, and then simplify.

   60x=50⋅6

   60x60=50⋅6/60

   60x60=50⋅6/60

   x=5⋅6/6

   x=5

So the answer is $5.

3 0
3 years ago
Read 2 more answers
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