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3 years ago

Write ten subtraction problems with 6 as the difference?

1 answer:

5 0

1 - 2 = 1 3 - 4 = 1 5 - 9 = 4 9 - 9 = 0 7 - 14 = 7 21 - 0 = 21 8 - 12 = 5 4 - 85 = 81 x is 8 and z is 5. x - z = 3 d is 2 and 8 is w and 17 is y. d - w - y = 7

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Find the work done in winding up a 175 ft cable that weighs 3 lb/ft.

nignag [31]

Answer:

$work \ done= 45937.5$

Step-by-step explanation:

Work done is given by

$work \ done=\int_a^b w(d-x) \ dx$ , where d = length of cable and w = weight of cable.

Here, d = 175 ft and w = 3 lb/ft

Now, $work \ done=\int_0^{175} 3(175-x) \ dx$

$work \ done= 3\left [175x-\frac{x^2}{2} \right ]_0^{175}$

$work \ done= 3\left [175^2-\frac{175^2}{2} \right ]$

$work \ done= 3\cdot \frac{175^2}{2}$

$work \ done= 45937.5$

8 0

3 years ago

What is 7/21 in its simplest form

olasank [31]

The answer is 1/3 because 7 can go into 21 so then 7 goes into 7 one time and then it goes into 21 three times so then you would get 1/3

5 0

3 years ago

Read 2 more answers

HELP ME PLEASE - BRAINLIEST TO CORRECT ANSWER

pashok25 [27]

100 meters is -1°C

1,000 meters is -10°C

10,000 meters is -100°C

And 2,000 meters is -20°C

12Km is 12,000 meters

12,000 meters is -120°C

Your answer is -120°C

-IronWolfX

5 0

3 years ago

Read 2 more answers

Please help, seriously confused

Rufina [12.5K]

Original height = original width = x mm

1. She made an enlarged copy...
height = 2x
width = 2x

2. She cut off a rectangle...
height = 2x
width = $\frac{2}{3} *2x= \frac{4}{3}x$

3.She doubled the width...
height = 2x
width = $2*\frac{4}{3}x = \frac{8}{3}x$

height * width = area

$2x * \frac{8}{3}x=139 \ 968 \\ \\ \frac{16}{3}x^2= 139 \ 968 \\\\ x^2=139 \ 968: \frac{16}{3}=139 \ 968 * \frac{3}{16}= 8 \ 748*3 = 26 \ 244 \\ \\ x= \sqrt{26 \ 244} = 162 \ mm$

Original height was 162 mm

6 0

3 years ago

X^2y^4/z^3 / x^3z^2/y

Likurg_2 [28]

Answer: y3/xz

Step by step is provided in the screenshot below

6 0

3 years ago