Show your work (organized!) for 2 points. Correct answer for 1 point. -2 - (-6) + (9÷3) . 4 | Please help!!

Mathematics

1 answer:

kaheart [24]3 years ago

6 0

Whaaaat that doesn’t look like you typed right

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Please answer the question from the attachment.

ddd [48]

$\left\{\begin{array}{ccc}x-4y=27\\3x+y=24&|multiply\ both\ sides\ by\ 4\end{array}\right\\\\\underline{+\left\{\begin{array}{ccc}x-4y=27\\12x+4y=96\end{array}\right}\\.\ \ \ 13x=123\ \ \ |divide\ both\ sides\ by\ 13\\.\ \ \ \ \ x=\dfrac{123}{13}\\\\subtitute\ to\ 3x+y=24\\\\3\cdot\dfrac{123}{13}+y=24\\\\\dfrac{369}{13}+y=\dfrac{24\cdot13}{13}\ \ \ \ |subtract\ \dfrac{369}{13}\ from\ both\ sides\\\\y=\dfrac{312}{13}-\dfrac{369}{13}\\\\y=-\dfrac{57}{13}$

$\left\{\begin{array}{ccc}x=\dfrac{123}{13}\\\\y=-\dfrac{57}{13}\end{array}\right$

5 0

4 years ago

Please answer I need it

dalvyx [7]

What is it? can you write out the problem.

7 0

3 years ago

Over a 6 week period, the price of a gallon of gas increased by 18 cents.

Fiesta28 [93]

18 divided by 6 is 3. So 3 cents/week. Hope this helps!

6 0

3 years ago

What is expression equivalent to 33

Tatiana [17]

The correct answer is D

2^5 is equal to 32, and you add one to make 33

To find 2^5, think of it this way:
2*2*2*2*2
This becomes 4*4*2 or 32

Hop this helps

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3 years ago

Read 2 more answers

It took 48 minutes to drive downtown. An app estimated it would be less than that. If the error was 20%, what was the app’s esti

IgorLugansk [536]

Answer:

The estimated taken to drive downtown using App is 38.4 minutes

Step-by-step explanation:

Given as :

The initial time taken to drive downtown = i = 48 minutes

The percentage error of time = r = 20%

Let The estimated time using app = t min