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True [87]
1 year ago
15

Solve for n: -1/2 (n + 8) +3/4

Mathematics
1 answer:
vlabodo [156]1 year ago
7 0

\frac{1}{2} (n+8) + \frac{3}{4}

\frac{1(n+8)}{2}  +  \frac{3}{4}

\frac{n+8}{2}  +  \frac{3}{4}

\frac{2(n+8)}{4}  + \frac{3}{4}

\frac{2(n+8) + 3}{4}

\frac{2n + 16 +3}{4}

\frac{2n + 19}{4}

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3 years ago
over a season in a women's basketball league jackson scored 41 more points than the second highest scorer leslie. Together they
vlabodo [156]
First, you know that Jackson (let call her J) scored 41 more points than L (Leslie).  What we don't know is how many points L scored so we can use a variable that will be 'x'.
So the equation will be J=41+x.
We also know that the total points is 1,189.
To find out what x is we first subtract 1,189-41.  We then get 1,148.
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Jackson scored 615 points and Leslie scored 574 points

(You can use bar modeling to do solve this problem.  An example of bar modeling is shown below.  

3 0
3 years ago
If 2a-b:2a+b=1:2find the value of a:b​
weqwewe [10]

Answer & Step-by-step explanation:

2a - b : 2a + b = 1 : 2

2a - b = 1

-                         Elimination

2a + b = 2

-b - (b) = -1

-2b = -1

b = 0.5

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

2a + b = 2           Substitution

2a + 0.5 = 2

2a = 1.5

a = 0.75

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

a:b

0.75 : 0.5

or

3/4 : 1/2

Hope this helps!!!

 

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Is there anything else to this question 
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jek_recluse [69]
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3 years ago
Read 2 more answers
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