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Alika [10]
3 years ago
6

(-5+2)^2 equals what

Mathematics
1 answer:
Jobisdone [24]3 years ago
3 0

Answer:

-3² = 9

Step-by-step explanation:

Always remember to use:

P

E

M

D

A

S

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The temperature in Antarctica during the winter can average -42.3 degrees Celsius. During the summer it can average around 11.52
Sindrei [870]

Answer:

-30.78!

Step-by-step explanation:

3 0
2 years ago
13. Simplify: 6x+8/4x+4<br><br> A. x+7/8<br> B. 3x+4/2(x+1)<br> C. 5x+9/3x+8<br> D. x-10/x-6
harkovskaia [24]
I think it is A.....
6 0
3 years ago
( simultaneous equations)
daser333 [38]

Answer:

See method below.

Step-by-step explanation:

m/n + n/3 = 2

2/m + n = 4    

First  eliminate the fractions by multiplying the first equation by 3n:-

3m + n^2 = 6n...........(1)

and the second equation by m:-

2 + mn = 4m..............(2)

Now we solve using substitution:-

From equation  (2):-

4m - mn = 2

m = 2 / (4 - n)

Now substitute for m in equation (1):-

6/ (4 - n) + n^2 = 6n

6 + n^2(4 - n) = 6n(4 - n)

6 + 4n^2 - n^3 = 24n - 6n^2

n^3 - 10n^2 + 24n - 6 = 0

This will not factor so we could solve this using graphical software.

To find the values of the variable m we substitute the found values of n into one of the original equations and solve for m.






6 0
3 years ago
I need help ASAP on number 21
Nostrana [21]

Answer:

B

Step-by-step explanation:

It lines up with the intersection of the two lines

3 0
2 years ago
The price of a gallon of milk increased by 9 cents. This represented a price increase of 2%. What was the original price of the
Licemer1 [7]

Answer:

$ 4.50

Step-by-step explanation:

2% of the price = 9 cents

.02 x   = 9

x = 9 / .02 = 450 cents     or  $4.50

6 0
2 years ago
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