3 years ago

This is the third one

1 answer:

Alja [10]3 years ago

5 0

I think the answer is 4.5

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shtirl [24]

Answer:

X = -3

Y = -5

Step-by-step explanation:

2X - 3Y = 9

- (-5X - 3Y) = 30

7X + 0Y = -21

X = -3

2(-3) - 3Y = 9

- 3Y = 15

Y = -5

6 0

3 years ago

shepuryov [24]

We apply our knowledge in variation.

The solution can be seen in the photo

6 0

3 years ago

horsena [70]

The answer of f(-2) is 42

6 0

3 years ago

Simora [160]

For the domain
3-x >= 0
3 >= x

7 0

3 years ago

professor190 [17]

3/4 of dreams = 3/4 of 'd'

The expression is $\frac{3}{4}d$

When d = 28
Number of dreams = $\frac{3}{4}(28)= \frac{3*28}{4}=21$

Answer: 21 dreams

6 0

3 years ago