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stepladder [879]
3 years ago
14

Simplify : -2n - (9 - 10n) 9a + 10 ( 6a - 1)

Mathematics
2 answers:
kvasek [131]3 years ago
8 0
1) <span>-2n - (9 - 10n)

= -2n - 9 + 10n

= 8n - 9

2) </span><span>9a + 10 ( 6a - 1)

= 9a + 60a - 10

= 69a - 10

Hope this helps!</span>
Hatshy [7]3 years ago
7 0
-2n-9-10n
69a-10
Hope this helps
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A certain stock starts the day at $273/8 per share. If it drops $21/2 during the day, what is its closing value? A. $247/8 B. $2
Elza [17]

Answer:

A. $ 24 7/8

Step-by-step explanation:

GIVEN: A stock starts the day at $27 3/8 per share.

             Share drops $2 1/2 during the day.

To Find : Closing value

Solution : first we need to find how many 1/8 are there in 1/2

So, \frac{\frac{1}{2} }{\frac{1}{8} } =4

when share drops by $2 then  share will be :

$27 - $2 =$25


and \frac{3}{8} - 4(\frac{1}{8})


⇒\frac{3}{8} - \frac{4}{8}


⇒\frac{-1}{8}


So, 25-\frac{1}{8}


⇒24\frac{7}{8}

So, its closing value is 24\frac{7}{8}.

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3 years ago
Solve for x:
Marta_Voda [28]
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What is A rectangle of sides 6cm and 4 cm <br>plzz hurry​
vladimir1956 [14]

Answer:

24cm^2

Step-by-step explanation:

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Answer:

\frac{5}{14} or 0.357142857143

Step-by-step explanation:

__________________________________________________________

\frac{2}{7}\div\frac{4}{5} = \frac{5}{14} because,

\frac{2}{7} = 0.285714285714

\frac{4}{5} = 0.8

0.285714285714 \div 0.8 = 0.357142857143

\frac{5}{14} = 0.357142857143

__________________________________________________________

<em>Hope this helps! <3</em>

__________________________________________________________

8 0
3 years ago
Read 2 more answers
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