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andrew-mc [135]

3 years ago

14

Which unit of measure would be best to use to measure the capacity of a fish tank?

1 answer:

vagabundo [1.1K]3 years ago

3 0

Ml/cm^3 (same measurement) would be the best unit.

Reason.....
cm can be measured with a simple ruler. Once you have area of the tank (length x width), it can be multiplied by the height to give you the unit it cm^3.

Water is measured in ml, which would make it easy to get the right amount because you now know the capacity!

Hopefully this helps :)

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All 4 questions please

scZoUnD [109]

Answer:

π = S/2πrh
v = √2E/m
b = (-7a+c)/2
x =3y-1

Step-by-step explanation:

1.

$S = 2\pi rh\\Divide\:both\sides\:of\:the\:equation\:by\:2rh\\\\\frac{S}{2rh} = \frac{2 \pi rh}{2 rh} \\\\\pi = \frac{S}{2rh}$

2.

$E = \frac{1}{2} mv^2\\\\E = \frac{mv^2}{2} \\\\Cross\:multiply\\\\2E =mv^2\\Divide\:both\:sides\:of\:the\:equation\:by\:m\\\frac{2E}{m} = \frac{mv^2}{m} \\\\\frac{2E}{m} =v^2\\Square\:root\:both\:sides\:of\:the\:equation\\\sqrt{\frac{2E}{m} } = \sqrt{v^2} \\\\\sqrt{\frac{2E}{m} } =v\\\\v =\sqrt{\frac{2E}{m} }$

3.

$7a+2b =c\\Isolate\:b\\\\2b =c-7a\\2b= -7a+c\\Divide\:both\:sides\:of\:the\:equation\:by \:2\\\frac{2b}{2} =\frac{-7a+c}{2} \\\\b = \frac{-7a+c}{2}$

4.

$y = \frac{1}{3} (x+1)\\\\y = \frac{x+1}{3}\\\\Cross\:multiply \\3y =x+1\\Isolate \:x\\3y -1=x\\\\x =3y-1$

7 0

3 years ago

An ostrich that is 108 inches tall is 20 inches taller than 4 times the height of a kiwi. What is the height of the kiwi in inch

Westkost [7]

So you take 20 inches and times it by 4 which equals 80 inches. So then you would take to 80 inches and divide by 108. then you will get your answer.

8 0

3 years ago

Write the equation of a line that is parallel to {x=8}x=8x, equals, 8 and that passes through the point {(-3,-2)}(−3,−2)left par

Alexxandr [17]

Answer:

x = -3

Step-by-step explanation:

The line parallel to x=8 is another vertical line:

x = constant

To make it go through a point with an x-coordinate of -3, the constant must be -3.

Your line is ...

x = -3

5 0

3 years ago

W 3 =512 what is the answer

Soloha48 [4]

w3 = 512

w/3 = 512/3

w = 170.66667

3 0

3 years ago

Identify the exponential function for the given graph.

Korolek [52]

Answer:

Step-by-step explanation:

C - 3(2^x).

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