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Nonamiya [84]
3 years ago
6

Andrea spent 5/9 of her money buying a guitar if she had €296 left how much had she had first​

Mathematics
1 answer:
stealth61 [152]3 years ago
6 0

Answer:

kkk

Step-by-step explanation:

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A group of 2 adults and 4 children spent $38 on tickets to a museum. A group of 3 adults and 3 children spent $40.50 on tickets
Paraphin [41]

Answer:

Divide the 1st equation by 2

a + 2c = 19

Divide the 2nd equation by 3

a + c = 13.5

Subtract the 1st equation and the 2nd equation

c = 5.5

Substituting back into the 2nd equation will give:

a + 5.5 = 13.5

a = 8

Step-by-step explanation:

8 0
4 years ago
How to simplify this
algol [13]
To simplify this, you would have to turn b^-2 into a positive exponent.
To do this, we have to flip b^-2, which would get rid of the negate from the exponent: -2

3a^4 b^-2 c^3 / b^-2

Then we get the answer:

3a^4 c^3
------------
   b^-2

I have a picture to clarify! 
I hope this helped, let me know if you don't understand! ^.^

6 0
3 years ago
Which equation represents the statement thirteen less then a number is forty two
Ludmilka [50]
X-13=42 
x is the "variable", you're taking 13 away from that, and the answer is also given, 42. 
3 0
3 years ago
Read 2 more answers
To solve the equation for x by completing the square what equation is equivalent to x^2-x-2=0
GuDViN [60]
So to complete the square in
ax^2+bx+c=d form

make sure a=1
subtract c from both sides
take 1/2 of b and square it
add that to both sides
factor perfect square

1x^2-1x-2=0
a=1
move c to other side
add 2 to oth sides
x^2-1x=2
take 1/2 of b and square it
1/2 of -1=-1/2
squaer it
1/4
add that to both sides
x^2-1x+1/4=2+1/4
factor left side
(x-1/2)=2+1/4

first blank is 1/2

2+1/4=8/4+1/4=9/4

blanks are
1/2 and 9/4
3 0
3 years ago
Can someone help me with this proof
larisa86 [58]

The fourth option is the correct answer.

Hope this helps! ;)

8 0
3 years ago
Read 2 more answers
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