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3 years ago

2{3[a-4(1-a)]-(5-a)} help me simplify the operation

1 answer:

4 0

Using order of operations, I simplified this down to -24+22a.

I hope this helps, and let me know if you need more explanation!

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Solve the polygon for x

wariber [46]

Octagon has sum of angles 1080°

$\\ \rm\Rrightarrow 5(10x+15)+2(14x)+6x-3=1080$

$\\ \rm\Rrightarrow 50x+75+28x+6x-3=1080$

$\\ \rm\Rrightarrow 84x+72=1080$

$\\ \rm\Rrightarrow 84x=1008$

$\\ \rm\Rrightarrow x=1008/84$

$\\ \rm\Rrightarrow x= 12$

4 0

2 years ago

Weights of different sandwiches in two lengths are shown in the table.

Alexandra [31]

Answer:

Egg salad sandwich is proportional to its length

Step-by-step explanation:

Weight of Sandwiches by Length of Roll

6-inch Roll 12-Inch Roll

Cheese sandwich $\frac{1}{4}$ $\frac{3}{4}$

Chicken salad sandwich $\frac{3}{4}$ $1\frac{3}{4}$

Egg salad sandwich $\frac{2}{3}$ $1\frac{1}{3}$

For cheese sandwich proportion

$\frac{6}{\frac{1}{4}}=\frac{12}{\frac{3}{4}}\\24 \neq 16$

So, Cheese sandwich weight is not proportional to its length

For Chicken salad sandwich proportion

$\frac{6}{\frac{3}{4}}=\frac{12}{\frac{7}{4}}\\8 \neq \frac{48}{7}$

So, chicken salad sandwich is not proportional to its length

For Egg salad sandwich proportion

$\frac{6}{\frac{2}{3}}=\frac{12}{\frac{4}{3}}\\9=9$

So, egg salad sandwich is proportional to its length

6 0

2 years ago

Which number line shows the solutions to x > 5?

Montano1993 [528]

D I think so, I might be wrong tho

8 0

1 year ago

Read 2 more answers

Which number has the greatest value? a) 0.38 b) 08.2 c) 02.8 d) 2.80

Elis [28]

Answer:

the correct answer would be b)8.2

Step-by-step explanation:

6 0

3 years ago

Read 2 more answers

Answer: d Explanation: Hope this helps pzzzz marke brainliest

zhenek [66]

Youre answer is D, you’re welcome

3 0

2 years ago

Read 2 more answers