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Natali [406]
2 years ago
15

Evaluate each expression 2+-4–4

Mathematics
2 answers:
larisa [96]2 years ago
6 0
The answer is -6 I believe
sergey [27]2 years ago
5 0
i think the answer is -6.
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HELP PLEASE<br> Use elimination to solve the system of equations<br> 2x + 3y = 9 <br> x + 5y = 8
ikadub [295]

Answer:

y=5/7   x=31/7

Step-by-step explanation:

Make the x values the opposite of each other:

-2(x+5y=8)

-2x-10y=-16

2x+3y=9

Combine like terms and solve for y:

-7y=-5

y=5/7

Plug y in to find x.

x+5(5/7)=8

x+25/7=8

56/7-25/7=x

x=31/7

5 0
3 years ago
What is <br>if 5y +2x <br>simplify 2y×4x​
ratelena [41]

Answer:

2*x

Step-by-step explanation:

mark brainliest

6 0
2 years ago
W/5=w-14/9 this is a proprtion​
masya89 [10]

Answer:

edfdv

Step-by-step explanation:

bfdbfgbn okay its 35

8 0
2 years ago
Read 2 more answers
Which of the following expressions represents the value, in dollars, of a certain number of pennies, p, and nickels, n? Select o
Ira Lisetskai [31]
0.01p + 0.05n < ====
4 0
3 years ago
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A store advertises that customers can take 25% off the original price and then take an extra 10% off. Is this the same as a 35%
ivanzaharov [21]
It is not the same since you will note be taking the 10% off the original price which is greater than the discounted price.
Example: An item is priced at $10.00 and if you take 35% off it would then cost 10.00-3.50 = $6.50.
But if you first take 25% off the 10 it would be 10.00-2.50 =7.50 and now 10%off it is 7.50-0.75= $6.75 which is greater than the $6.50 from the initial 35% off.
Therefore the advertisement of 25% then a 10% is acutally less than a 35% off the original price.
3 0
3 years ago
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