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weeeeeb [17]
3 years ago
5

Evaluate 3x2-1 when x=2

Mathematics
2 answers:
Nezavi [6.7K]3 years ago
7 0
I would guess 61 in my school we only do things like this x4 - 5 x times four minus five so I don’t know if that’s right but that would be my guess if that isn’t right it would be 62 times 2
AfilCa [17]3 years ago
5 0

Answer:

11

Step-by-step explanation:

3 times 2 times 2 - 1

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5

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12 snakes have how many eyes altogether?
alexgriva [62]

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24

Step-by-step explanation:

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PLZ HELP QUICK<br> Which value from the set {12, 16, 21, 36} makes 2/3-n=19 true?
lilavasa [31]

Answer: 36

Step-by-step explanation: when you solve the problem  2/3n-5=19 you get 36.

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PLEASE HELP WILL GIVE BRAINLIST!!!
Dafna1 [17]
I think it’s a or c
6 0
3 years ago
I NEED URGENT HELP! I have a hard time with math and I need help on 2 questions ASAP.
Svet_ta [14]

A = 1/2bh

47 = 1/2(x)(x)

47 = 1/2 x^2

Re-write

1/2 x^2 = 47

x^2 = 47 * 2

x^2 = 94

x = √94

x = 9.7 in

Answer

9.7 in

------------

A = 1/2bh

40 = 1/2(x)(x)

40 = 1/2 x^2

Re-write

1/2 x^2 = 40

x^2 = 40 * 2

x^2 = 80

x = √80

x = 8.9 in

Answer

8.9 in

6 0
3 years ago
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