3 years ago

The simplest pure substances that cannot be broken down into any other substance are called?

Mathematics

1 answer:

CaHeK987 [17]3 years ago

8 0

I think that the answer is compounds

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nadya68 [22]

Answer: its 8

Step-by-step explanation: 5 x is equal too 5 times x and if you do 5 x 8 wich is 40, 40 + 15 =55

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3 years ago

2/-3 divided by -1 2/7 = <br> pls explain the answer

katen-ka-za [31]

Answer:

$\frac{14}{27}$

Step-by-step explanation:

$-1\frac{2}{7} = -\frac{9}{7}$
Plug -9/7 in: $-\frac{2}{3}$ ÷ $-\frac{9}{7}$
-2/3 ÷ -9/7 = 2/3 ÷ 9/7 = 2/3 × 7/9
$\frac{2}{3}$ × $\frac{7}{9} = \frac{14}{27}$

I hope this helps!

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3 years ago

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Kenneth signed up to receive Internet service for $13 per month plus a $30 start-up fee. Which equation could be used to find th

almond37 [142]

The equation 13x+30=134 can be used to find the number of months Kenneth can receive internet service.

Step-by-step explanation:

Given,

Start up fee to receive internet = $30

Per month charges = $13

Total amount = $134

Let,

x be the number of months.

y be the total cost.

y = 13x+30

Putting y=134

$134=13x+30\\13x+30=134$

The equation 13x+30=134 can be used to find the number of months Kenneth can receive internet service.

Keywords: equation, addition

Learn more about addition at:

#LearnwithBrainly

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4 years ago

Pls i only have 1 minute left hurry

Elina [12.6K]

Answer:

look at the picture i have sent

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2 years ago

What is the slope of the line that passes through the points: (5, -3) and<br> (-1,6)

elena55 [62]

Answer:

-1/2

Step-by-step explanation:

https://www.calculator.net/slope-calculator.html

That website has the best explanation ^^^^^

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3 years ago

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