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Oksanka [162]
3 years ago
7

4x-5y=15 can someone plz explain this

Mathematics
1 answer:
AVprozaik [17]3 years ago
7 0
Well if you are solving for y 
the answer is 

Y= 4/5x- 3

if you are solving for x 
the answer is 
X=5/4y + 15/4

*look at the image for the work*

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The refreshment stand for the school play needs to make $330.They sell drinks for $1.50 and snacks for $2.50.If they sell 45 dri
choli [55]

Answer:

105 snacks

Step-by-step explanation:

$330=45 drinks at $1.50 and x snacks at $2.50.

330=45(1.50)+2.50x

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6 0
3 years ago
How do I graph this?
Natasha_Volkova [10]

Answer:


Step-by-step explanation:

you're going to have a vertical line at -1, and then shade the region to the left. The line should be dashed, not solid.

3 0
3 years ago
D.<br> Question 2<br> - 3x + 7 (-6 - 50)<br> c=7<br> x = -9
Reil [10]

Answer:

-365

Step-by-step explanation:

-3x+7(-6-50)

  1. -3(-9)+7(-6-50)
  2. 27+7(-6-50)
  3. 27-42-350
  4. -15-350
  5. =-365
5 0
3 years ago
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