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Goshia [24]
3 years ago
14

Solve y =-2x y = 3x + 5 by using substitution method

Mathematics
1 answer:
PtichkaEL [24]3 years ago
5 0

Answer:

y = -2x

y = 3x + 5

<=> 3x + 5 = -2x

y = -2x

<=> 5x = -5

y = -2x

<=> x = -1

y = -2x

<=> x = -1

y = (-2)(-1) = 2

so (x; y) = (-1; 2)

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another way to write this is

-6 < -3

hope this helped

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Deena has 4 pairs of white socks, 3 pairs of black socks, 1 pair of red socks, and 2 pairs of navy socks in her sock drawer. Eac
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Answer:

<u>The  probability that Deena will choose a pair of white socks is 4/10 or 40%</u>

Step-by-step explanation:

Let's check the information provided to us to answer the question correctly:

Total pairs or socks Deena has = 10

Pairs of white socks Deena has = 4

Pairs of black socks Deena has = 3

Pairs of red socks Deena has = 1

Pairs of navy socks Deena has = 2

If she pulls a pair of socks out of her drawer in the morning without looking, what is the  probability that she will choose a pair of white socks?

Probability of Deena will choose a pair of white socks = Pairs of white socks Deena has/Total pairs or socks Deena has

Replacing with the real values, we have:

Probability of Deena will choose a pair of white socks = 4/10 or 40%

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