3 years ago

If a=-2 and b=1, then 3a-2b=

Mathematics

2 answers:

Akimi4 [234]3 years ago

6 0

Thepotemich [5.8K]3 years ago

6 0

The answer would come down to be 3(-2)-2(1), simplifying to -8

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What is 20-6n=-2(n+6)?

blsea [12.9K]

20n - 6n = -2(n + 6)

20 - 6n =-2n -12

6n + 2 n = -20 -12

8n = 32

n = 32 : 8

n = 8

7 0

3 years ago

If f(x) = x2 – 2x + 3, then find<br> f(-3).

Georgia [21]

Answer:

f(-3) = 18

Step-by-step explanation:

We need just substitute x with (-3) and calculate it.

f(-3) = (-3)² -2*(-3) + 3 = 9 + 6 +3 = 18

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3 years ago

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Wewaii [24]

Answer:

Step-by-step explanation:

a 6(m+3)

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3 years ago

What is the answer to |4r−12| , if r<3?

Sav [38]

Answer:

Step-by-step explanation:

|4r−12| = -(4r-12) when 4r-12< 0

4r< 12 so r<3

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3 years ago

A water tank is leaking such that for each of the next 5 hours, the amount of water in the tank will be 2 gallons less than at t

andre [41]

Answer:

C. Linear decrease

Step-by-step explanation:

I can't really show a graph but I will try to explain

The water is leaking at a constant rate, meaning its not regaining it water (its only leaking). So if u were to graph this it would be a linear decrease

( That was a Terrible explanation but the answer is right lol)

7 0

3 years ago