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Margaret [11]
3 years ago
12

Solve the following systems using substitution: x+y=4 x^2+y^2=9

Mathematics
1 answer:
gizmo_the_mogwai [7]3 years ago
7 0
X=3
Y=1

3+1=4
3^2+1^2=9

Hope this helps :)
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If you were 2 years old in 2011 how old would you be in 2020?
Roman55 [17]

Answer:

11 years

Step-by-step explanation:

2 years that you were in 2011

2020-2011= 9

2+9=11

also meaning they were born in 2009

2020-2009 also equals 11

this prolly doesnt make sense but hope it helps :) <3

4 0
3 years ago
Read 2 more answers
3 + 3(k + 3) = 6(k - 2) +9​
ANTONII [103]

Step-by-step explanation:

3 + 3(k + 3) = 6(k - 2) + 9

3 + 3k + 9 = 6k - 12 + 9

12 + 12 - 9 = 6k - 3k

15 = 3k

k = 15/3

k = 5

7 0
3 years ago
Felix wants to buy some lemonade for the dinner party.
Xelga [282]

Answer:

Yes. Felix is correct.

Step-by-step explanation:

Find out how much ml does a can of lemonade have, I would assume its 330ml since I searched up the ml of a lemonade can.

Find out how much cans of lemonade there are in 2 packs of 8.

2 packs = 8 x 2 = 16 cans of lemonade

Now find out how much ml 16 lemonade cans equal to.

1 can of lemonade = 330ml

16 cans of lemonade = 330 x 16 = 5280ml

Now let's find 5 bottles of 1 litre.

1 litre x 5 = 5 litres.

5280 = 5 litres and 280ml

So Felix is correct about 2 packs of 8 cans is more than 5 bottles of 1 litre.

6 0
3 years ago
Help me and am I doing this right
Nat2105 [25]
Looks write but i think ur missing somthing
5 0
3 years ago
Students at Lincoln middle school earn $5 for every 4 boxes of cookie dough sold during a fundraiser. Students at Williams middl
muminat

Answer:

5x4 = 20

7x6=42

7 0
3 years ago
Read 2 more answers
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