A trundle wheel is used by surveyors to measure distances. It consits of a circular disc attached to a handle. One revolution of the wheel measures out exactly one metre. Find the diameter of the wheel.

Answers

Answer 1

Answer: I don't know the units so I'm guessing its centimeters, you can convert it when I'm done.
31.847133758 is the exact answer in centimeters, you can use that to convert the units to millimeters and such.

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What is the value of 7 to the fifth power? A. 35 B. 78,125 C. 2,401 D. 16,807

Answers

The answer is D equaling 16,807

D because all you really have to do is 7*7*7*7*7

(NEED HELP)Your friend made $324 babysitting last year.This year she made 296% of what she made last year.How much more did your friend make this year?

Answers

The percentage is calculated by dividing the required value by the totalvalue and multiplying by 100.

Requiredpercentage value = a

total value = b

Percentage = a/b x 100

The moreamount made this year is $635.04

What is a percentage?

The percentage is calculated by dividing the required value by the totalvalue and multiplying by 100.

Example:

Requiredpercentage value = a

total value = b

Percentage = a/b x 100

Example:

50% = 50/100 = 1/2

25% = 25/100 = 1/4

20% = 20/100 = 1/5

10% = 10/100 = 1/10

We have,

Your friend made $324 babysitting lastyear.

This year she made 296% of what she made lastyear.

This means,

The amount this year.

= 296/100 x 324

= $959.04

The difference in the amount.

= $959.04 - $324

= $635.04

The difference in the amount can also be calculated as,

= 296% - 100%

= 196% more this year.

So,

196% of $324

= 196/100 x 324

= $635.04

Thus,

The moreamount made this year is $635.04

Learn more about percentages here:

brainly.com/question/11403063

#SPJ2

Answer:

$635

Step-by-step explanation:

She made a total of $959 anad last year she made $324 so you then subtract the ammounts because the problem wants to know how much MORE she made.

If the volume of a certain pyramid is x and another pyramid is made which is 7 times larger (that is, all the linear dimensions have been increased by a factor of 7), what is the volume of the new pyramid (in terms of x)?

Answers

The volume of the new pyramid is given by:

$V = 343x$

The volume of a pyramid of radius r and height h is given by:

$V = (\pi r^2h)/(3)$

Initially, we suppose that the volume is x, that is:

$V = (\pi r^2h)/(3) = x$

Then, dimensions are multiplied by 7, that is, $r = 7r$ and $h = 7h$ , thus:

$V = (\pi (7r)^2(7h))/(3)$

$V = 343(\pi r^2h)/(3)$

$V = 343x$

A similar problem is given at brainly.com/question/21334693

Answer:

Step-by-step explanation:

Completing the square

x^{2}+3×=0

Answers

${ x }^( 2 )+3x=0\n \n { \left( x+\frac { 3 }{ 2 } \right) }^( 2 )-{ \left( \frac { 3 }{ 2 } \right) }^( 2 )=0\n \n { \left( x+\frac { 3 }{ 2 } \right) }^( 2 )-\frac { 9 }{ 4 } =0$

$\n \n { \left( x+\frac { 3 }{ 2 } \right) }^( 2 )=\frac { 9 }{ 4 } \n \n x+\frac { 3 }{ 2 } =\pm \frac { \sqrt { 9 } }{ \sqrt { 4 } } \n \n x+\frac { 3 }{ 2 } =\pm \frac { 3 }{ 2 } \n \n x=-\frac { 3 }{ 2 } \pm \frac { 3 }{ 2 } \n \n \therefore \quad x=0,\quad and\quad x=-3.$

13 over 15 divided by 7 over 10 in simplest form

Answers

If you would like to write (13/15) / (7/10) in the simplest form, you can calculate this using the following steps:

(13/15) / (7/10) = (13/15) * (10/7) = (13 * 2) / (3 * 7) = 26/21 = 1 5/21

The correct result would be 26/21.

Help on this too Guys

Answers

Answer:

radius is 6 diameter is 2 don't know the other one tho

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