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S_A_V [24]
3 years ago
5

Which expression is equivalent to 9(9m+3t)

Mathematics
2 answers:
vitfil [10]3 years ago
7 0

Answer:

81m + 27t

Step-by-step explanation:

LUCKY_DIMON [66]3 years ago
4 0

Answer:

your awnser is 81m + 27t

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Help me …… please ! I Just need help
frozen [14]

Answer:

(2,-2)

Step-by-step explanation:

y=-4x+6

y=3x-8

plug the y's in for each other to get:

-4x+6=3x-8   <----- solve from there

+8            +8

-4x+14=3x

+4x         +4x

14=7x

/7     /7

x=2

now plug the x in to get y (in any problem)

y=3(2)-8

y=6-8

y=-2

<em>(2,-2)</em>

7 0
3 years ago
The perimeter of a triangle is 140 cm the length of the second side is twice the length of the first side the length of the thir
kykrilka [37]

Perimeter = 140

Side 1 = x

Side 2 = 2x

Side 3 = 3x - 10

x + 2x + 3x - 10 = 140

6x - 10 = 140

6x = 150

x = 25

Side 1 = 25 cm

Side 2 = 50 cm

Side 3 = 65 cm

Hope this helps!! :)

6 0
3 years ago
Read 2 more answers
25 POINTS!!!!!!
ipn [44]
330/11=30
300 like Drake
30 like Shawn Mendez
3 0
3 years ago
Read 2 more answers
8 yards is equal less or greater than 20 feet
vazorg [7]

it is greater than because when you multiply 8 by 3 you get 24

and you get the 3 because 3 feet make 1 yard.

3 0
3 years ago
Read 2 more answers
Convert each mixed number to an improper fraction
Pani-rosa [81]

Answer:

43/8

Step-by-step explanation:

5 x 8 = 40

40 + 3 =43

6 0
3 years ago
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