3 years ago

6 1/8+ 4 2/5=? Solve and show how you got the answer.

Mathematics

1 answer:

vekshin13 years ago

6 0

Answer:

6 5/40 + 4 16/40

10. 21/40

Change the denominator into the LCD and change the numerator.

keep the denominator the same and add the numerator

add the whole numbers

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4 years ago

Read 2 more answers

I'm not sure to do this.. Help me please.. Thank you

Paraphin [41]

So our original equations would be..
$2y + 2(y - 4) = p \: (perimeter)$
$y \times (y - 4) = l \: (area)$

(a) perimeter in terms of y
$y = \frac{p + 8}{4}$

(b) area in terms of y
*I'm actually not sure about b.. sorry*

(c) if perimeter = 28, find length
$28 \div 4 = 7$
$7 \times 7 = 49$
$l (area)= 49$