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3 years ago

Learning

Mathematics

1 answer:

sertanlavr [38]3 years ago

4 0

Answer:

The answer is 81cm

Step-by-step explanation:

In order to find out volume you have to do LxWxH. You have to multiply.

idk if these measurements were length, width and height, but if they were 81 cm is the right answer.

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What is the inverse of the given relation y = 7x² ?

beks73 [17]

Answer:

y = square root(x/7)

Step-by-step explanation:

switch x and y

x = 7y^2

solve for y

x/7 = y^2

square root(x/7) =y

y inverse is

y= square root(x/7)

7 0

3 years ago

Earth revolves around the Sun in 365 days, but the planet Mercury does so in only 88 days. Compared to Earth, how many more comp

Elena L [17]

Answer:

In a 1000 days Mercury will make 8.624 more revolutions than Earth!

Step-by-step explanation:

<u>Earth</u> takes 365 days to make a complete revolution.

we can say that the rotational speed of Earth is $\dfrac{1}{365}\frac{\text{rev}}{\text{day}}$

so, in a 1000 days how many revolutions will Earth have made?

$\dfrac{1}{365}\frac{\text{rev}}{\text{day}}\times(1000\,\text{day})$

see that the 'day's cancel out. Simply multiply the two numbers!

$2.739\text{rev}$

<u>Next, do the same for Mercury</u>

we can say that the rotational speed of Mercury is $\dfrac{1}{88}\frac{\text{rev}}{\text{day}}$

as it completes 1 revolution in 88 days.

so, in a 1000 days how many revolutions will Mercury have made?

$\dfrac{1}{88}\frac{\text{rev}}{\text{day}}\times(1000\,\text{day})$

multiplying by 1/88 by 1000 yields:

$11.363\text{rev}$

The Question is how many MORE complete revolutions will Mercury make in 1000 days?

We need to subtract the revolutions of Mercury with Earth to find how far ahead is Mercury from Earth

$11.363\text{rev} - 2.739\text{rev}$

$8.624\text{rev}$

In a 1000 days Mercury will make 8.624 more revolutions than Earth!

5 0

3 years ago

Select which type of polygon this figure is, and find the measures of the indicated interior and exterior angles.

Stella [2.4K]

d. regular decagon; interior: 144; exterior: 36

HOPE THIS WILL HELP YOU

5 0

4 years ago

Read 2 more answers

PLEASE HELP!!!!!!!!!!!!!!!!

mamaluj [8]

Answer: A I think and sorry if I got it wrong

7 0

3 years ago

Read 2 more answers

Which of the following ordered pairs should be tested to determine which

mart [117]

Answer:

If the line doesn't pass through the origin, the easiest point to pick is the origin (0,0). Substitute into your inequality.

y > 5x + 1

0 > 5(0) + 1

0 > 1 which is a false statement.

So, you shade the side of the line on which (0,0) doesn't lie.

If the statement would have be true, you shade the side of the line on which (0,0) lies.

4 0

4 years ago