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4vir4ik [10]
3 years ago
11

Solve the system by substitution.

Mathematics
1 answer:
kumpel [21]3 years ago
3 0

Answer:

(-5,1)

Step-by-step explanation:

   

y= 13.5+2.5x

-13.5 -13.5

-13.5= 2.5x

x= -5.4

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pshichka [43]
S(x)=30x+45
F(x)=90x+35
4 0
3 years ago
in a triangle two sides of the same length the ratio of each of these sides to the third side is 5:3 if the perimeter of the tri
AveGali [126]

Answer:

Step-by-step explanation:

Perimeter of a triangle equals side 1 plus side 2 plus side 2

           P = s1 + s2 + s3                 side 1 = side 2 =  x

                                                     x/side 3 = 5 / 3

                                                     x  = (5/3) side 3

                                                     x (3/5)  = side 3

                                                 

                                                     perimeter = 65    slove for x

          65  = x + x + 3x/5

         325  = 5x + 5x + 3x

         325  = 13X

          25   = x    equal side 1 and side 2  

          side 3 = 25(3/5)  = 15

3 0
3 years ago
ANSWER E and F PLEASE!!!!!! ASAP!!!
Novosadov [1.4K]

Answer:

K = 3

T = 2

And

H = 12

Step-by-step explanation:

3k = 9

k = 9/3

k = 3.

3k =k + 3t

subtitute value of k

3×3=3+3t

9-3=3t

6/3=t

t=2.

2k + h =18

2×3+h=18

h=18-6

h=12...

4 0
3 years ago
Please help me. This is due tomorrow
IRISSAK [1]
The picture is upside down my dude, delete the question, re-upload it and ill help you out.
3 0
3 years ago
Read 2 more answers
Please find the distance between the points
marusya05 [52]

Answer:

they are 6 uints apart

Step-by-step explanation:

5 0
3 years ago
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