3 years ago

3(2y-4) - 2 ) = 0.4 (1+y)

Mathematics

1 answer:

Lelu [443]3 years ago

3 0

6y-12-2=0.4+0.4y
6y-10-0.4=0.4-0.4+0.4y
6y-6y-9.6=0.4y-6y
(-9.6=-5.6y)/5.6
1.7143=y

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OUT OF 32 STUDENTS IN A CLASS, 5 SAID THEY RIDE THEIR BIKES TO SCHOOL. BASED ON THESE RESULTS, HOW MANY OF THE 800 STUDENTS IN

svet-max [94.6K]

Let, the total number of students in school that ride the bike to school be "x"
Now,
Using ratio and proportion, we get,
$\frac{5}{32} = \frac{x}{800}$

$\frac{5}{32}*800 = \frac{x}{800} *800$

$\frac{4000}{32} =x$

$125 =x$

$x=125$

So, out of 800 students, 125 ride their bike to school.

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3 years ago

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koban [17]

Answer:

D. y = -x

Step-by-step explanation:

Hope this helps.

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3 years ago

Add. 6 5/6 +(-6 1/5) Enter your answer as a simplified fraction in the box.