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baherus [9]
3 years ago
6

How do you work out 5/6y-2=8

Mathematics
2 answers:
mart [117]3 years ago
6 0
\frac{5}{6} y - 2 = 8 \\ \\  \frac{5y}{6} - 2 = 8 \ / \ simplify \\ \\  \frac{5y}{6} = 8 + 2 \ / \ add \ 2 \ to \ each \ side \\ \\  \frac{5y}{6} = 10 \ / \ simplify \\ \\ 5y = 10 \times 6 \ / \ multiply \ each \ side \ by \ 6 \\ \\ 5y = 60 \ / \ simplify \\ \\ y =  \frac{60}{5} \ / \ divide \ each \ side \ by \ 5 \\ \\ y = 12 \ / \ simplify \\ \\

The final answer is y = 12.
aliya0001 [1]3 years ago
3 0
5/6y-2=8
       +2  +2
Add the reciprocal to cancel out the twos andd 8+2=10
so you have left 5/6y=10 and you'll take the reciprocal of 5 divided by 6 times five and cancels the 5/ out and also multiply 10*5 and you're left with 6y=50 then you just divide by six and there you go you have y=12

hope this helped

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After six biology tests, Ruben has a mean score of 74. What score does Ruben need on the next test to raise his average (mean) t
blondinia [14]

Answer:

88

Step-by-step explanation:

this question is a question that involves the use of the statistical principles of finding average

let the summation of the six scores of the biology test be represented as ∑x

∴ ∑x÷ 6=74

∑x=74 × 6

=444

444 is the summation of all the scores of all the six biology scores reuben had

the next test would be his 7th

let y represent the score for the 7th test

therefore, \frac{444 + y}{7} = 76

444 + y = (76 × 7)

444 + y = 532

y=88

Reuben needs to score 88 to raise his average to 76

4 0
2 years ago
write in slope intercept form an equation of the line that passes through the points (-15, -1) and (10,4)
k0ka [10]
Find the slope first
m=y2-y1/x2-x1
m=4+1/10+15
m=5/25 = 1/5
use point slope formula and plug in any points
y-y1=m(x-x1)
y-4=1/5(x-10)
y-4=1/5x-2
y=1/5x+2
4 0
3 years ago
If A(0,0) and B(2,5) find AB
mojhsa [17]
Distance = sqrt[ (5-0)^2 + (2-0)^2]
Sqrt (5^2 + 2^2)
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Sqrt(29)
4 0
3 years ago
A hiker at the top of a mountain spots his car back in the parking lot at the
mart [117]
<h2>Answer:</h2><h2>The angle of depression from the hiker to his car, Θ = 56.39 degrees</h2>

Step-by-step explanation:

A hiker at the top of a mountain spots his car back in the parking lot at the

bottom of the trail.  If the trail is 632 meters long and the mountain is 420

meters tall,

opposite side = 632 m

adjacent side = 420 m

Angle of depression, Θ = arctan (\frac{opposite}{adjacent} )

= arctan (\frac{632}{420} )

Θ = 56.39 degrees

3 0
3 years ago
I dont know what to do for tis
kap26 [50]

Answer:

is this by any chance about simultaneous equations? If so,

Step-by-step explanation:

Step 1 is telling us to decide on whether x and y should be the unknown. For instance, you want x to be the unknown, so u solve for x.

Step 2 is telling us to write equations with x and y.

For example,

7x + 5y = 12

7x - 2y = 9

This may not be accurate but it is an equation.

Step 4 is telling us to check whether the solution is accurate or not. For instance, we say 7 is x. so we substitude 7 into the original equation to see whether the answer we found is correct.

For step 5, im not really sure.

hope this helps though???

5 0
2 years ago
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