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solmaris [256]
3 years ago
12

Round each number to the nearest 10 212+87 then add

Mathematics
2 answers:
Softa [21]3 years ago
8 0
~212 rounded to the nearest 10 would be 210.

~87 rounded to the nearest 10 would be 90.

210 + 90 = 300

Your answer would be 300.
_____________________________________________________________

Hope this helps!!!! :D
uranmaximum [27]3 years ago
6 0
300 is your nearest hundred
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dmitriy555 [2]

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3 years ago
In a pen of goats and chickens, there are 40 heads and 150 feet. How many goats and chickens are in the pen?
s2008m [1.1K]

Hey there!!

A chicken has 1 head and 2 feet . A goat has 1 head and 4 feet

For heads, total = 40

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x + y = 40 ------------- ( 1 )

2x + 4y = 150 ----------- ( 2 )

Multiply the first equation with 2

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Subtract the first equation from the first

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substitute this in other equation

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Hope it helps!

6 0
3 years ago
(4x + 8x - 5) + (3x2 + 6x - 7)
ch4aika [34]

Answer:

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Step-by-step explanation:

Add like terms:

(4x + 8x - 5) + (3x2 + 6x - 7) becomes:

  4x^2 + 8x - 5               or (grouping like terms in columns):

+ 3x^2 + 6x - 7

---------------------

 7x^2 + 14x - 12

5 0
3 years ago
What is the solution to the inequality 14y−14≥14?
makkiz [27]
14y > 0 is the answer
6 0
2 years ago
Read 2 more answers
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