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mars1129 [50]
3 years ago
7

Help me please I beg

Mathematics
1 answer:
Readme [11.4K]3 years ago
4 0

As far as I understand A)

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10m3 of air weigh 13 kg. Make a chart showing weight of 15m3 of air, 30m3 of air, 40m3 of air
PolarNik [594]

Answer:

Volume: 15        30       40

Weight: 19.5      39       52

Step-by-step explanation:

I did since  10m^3=13, 13/2=6.5 5m=6.5

6.5*3=19.5

6.5*6=39

6.5*8=52

Hope This Helped

3 0
3 years ago
Read 2 more answers
You are comparing apples to oranges in a fruit bowl. Is the ratio 2:3 the same as the ratio 3:2?
alexira [117]

Answer:

No, the two ratios are not the same.

Step-by-step explanation:

When we are saying "apples to oranges", mathematically it means:

\frac{Apples}{Oranges},

Which could be 2:3 or 3:2, which in fractional from are written as \frac{2}{3} and \frac{3}{2} respectively.

We see that

\frac{2}{3} \neq \frac{3}{20}.

In words the ratio 2:3  says "for every two apples there are three oranges", and 3:2 says "for every three apples there are two oranges". Again we see that  the two sentences are not saying the same thing, therefore the ratio 2:3 is not same as 3:2.  

4 0
4 years ago
To win a​ lottery, 7 numbers are drawn at random from a pool of 21 numbers. Numbers cannot repeat. If a person has one​ ticket,
Aleks04 [339]

Answer:

the answer should be 3....this is not right btw

7 0
3 years ago
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- 7/4 = 2/5t<br><br> Solve for t please:<br><br> ___
jasenka [17]

First, you had to switch sides of equation.

And it gave us ⇒ \frac{2}{5}t=-\frac{7}{4}

Then multiply by five from both sides of equation form.

And it gave us ⇒ 5*\frac{2}{5}t=5(-\frac{7}{4})

Simplify.

And it gave us ⇒ 2t=-\frac{35}{4}

Next, divide by two from both sides of equation form.

And it gave us ⇒ \frac{2t}{2}=-\frac{35}{4/2}

Finally, simplify.

And it gave us ⇒ t=-\frac{35}{8}

Final answer: ⇒ \boxed{t=-35/8}

Hope this helps!

And thank you for posting your question at here on brainly, and have a great day.

-Charlie

8 0
3 years ago
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What is the slope of the line graphed below? (PLEASE ANSWER IMMEDIATELY)
Dmitrij [34]

Answer:

-2/-3

Step-by-step explanation:

3 0
3 years ago
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