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creativ13 [48]
3 years ago
13

Please show working for these 2 questions.

Mathematics
1 answer:
earnstyle [38]3 years ago
5 0
Question 6a:
Volume of the sand = 1/3π(10)²(25) = 2618 cm³

Answer: 2618 cm³

Question 6b:
 2618 cm³ = 1 hour
 2618 cm³ = 60 mins
 2618 cm³ = 3600 seconds
0.73 cm³ = 1 second

Answer: 0.73 cm³/s

Question 7a:
Volume = (1 x 10 x 10) + 1/2(1 + 2) x 10 x 10 = 100 + 150 = 250 m³

Answer: 250 m³

Question 7b:
250 m³ = 250 kl
1 kl = $1.98
250kl = $1.98 x 250 = $487.50

Answer:  $487.50
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3 years ago
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2<br> — x = 6<br> 3<br><br> Any help? Please?
Mama L [17]
X = 9
you multiply both sides by 3 because you have to get rid of it and what you do to one side you do to the other then you divide both sides by 2 to isolate the variable. i hope that makes sense.
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3 years ago
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Write as a decimal:<br><br>Explain...<br><br>1 7/12​
hichkok12 [17]

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Step-by-step explanation:

If you divide 7 by 12, you will get 0.583... If you add 1 in the ones, that'll be

1.583... or 1.58.

6 0
3 years ago
3/4 of a pan of brownies was sitting on the counter.Paul decided to eat 1/3 if the brownies in the pan.How much of the whole pan
Lubov Fominskaja [6]

Answer:

1/4 of the pan

Step-by-step explanation:

1/3 of 3/4 = 1/4

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3 years ago
Find the area of the triangle. <br> A.54<br> B.18<br> C.36<br> D.27
satela [25.4K]

Answer:

B. 18

Step-by-step explanation:

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