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3 years ago

I KNOW IT IT LONG BUT PLEASE HELP ME PLEASE

Mathematics

1 answer:

S_A_V [24]3 years ago

3 0

See I have had bad days in school Bc of so much homework and writing but thissssss

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the cable of a hoist has a cross-section of 80 mm2. the hoist is used to lift a crate weighing 500 kg. what is the stress in the

Daniel [21]

Answer:

stress on the cable is 61.312mpa

If steel is used, extension will be 0.91968mm

If polypropylene is used, extension will be 0.1532mm

Step-by-step explanation: detailed explanation and calculation is shown in the image below

3 0

3 years ago

What is 6000 x 999897

vlada-n [284]

5999382000 is the answer

3 0

3 years ago

Need help will mark brainliest

Tcecarenko [31]

I think it’s going to be 4/16 but I’m not a math major and I suck at math so I’m not sure

5 0

4 years ago

Answers need help!!!!!!

Gala2k [10]

<h3>Step-by-step explanation:</h3>

Pythagorus theorum:

9² = 3² + YZ²

81 - 9 = YZ²

√72 = YZ

∴YZ= 8.48 ≈ 8.5

Trigonometry:

We have adjacent as 3, and hypotenuse as 9

cos X = 3/9

X= cos∧-1 (3/9) → [cos inversed]

∴X= 70.5°

We have opposite as 3 and hypotenuse as 9

sin Z= 3/9

Z= sin∧-1 (3/9)→ [sin inversed]

∴Z= 19.47 ≈ 19.5

4 0

3 years ago

ASAP in 4 math question!

Zepler [3.9K]

1. - 4 = $\frac{x}{9}$

=> x = - 36

___________

2. -18 = 6t

=> t = $\frac{-18}{6}$

=> t = -3

___________

3. x - 18 = -72

=> x = - 72 + 18

=> x = - 54

___________

4. -18 = x - 15

=> x = -18 + 15

=> x - 3

7 0

2 years ago