3 years ago

A bag of apples weighs 7kg, correct to

1 answer:

7 0

I’m pretty sure it’s 6.5kg because if it was any less than that (eg 6.4kg) it would be rounded down to six rather than being rounded up to seven

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Fiesta28 [93]

Answer:

-2

Step-by-step explanation:

41 - 8m - 57 = 0

41- 8m = 57

-8m = 57-41

-8m = 16

m = -16/8

m = -2

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3 years ago

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What integer can be represented by 16 positive tiles and 26 negative tiles

pogonyaev

16 positive and 26 negative.......16 - 26 = -10 <==

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3 years ago

After the addition of an acid, a solution has a volume of 90 milliliters. The volume of the solution is 3 milliliters greater th

11111nata11111 [884]

Answer: $21.75\ milliliters$

Step-by-step explanation:

Let be "x" the original volume of the solution (in milliliters) before the acid was added and "y" the volume of the solution (in milliliters) after the addition of the acid.

Set up a system of equations:

$\left \{ {{x+y=90} \atop {y=3x+3}} \right.$

Applying the Substitution Method, you can substitute the second equation into the first equation and then solve for "x":

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4 years ago

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