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I am Lyosha [343]
3 years ago
13

A shop owner bought 30 flies and some diaries .he paid $82.50 for the flies.each diary cost 10 times as much as file.what was th

e cost of each diary?
Mathematics
1 answer:
Finger [1]3 years ago
4 0
The cost of each file was $2.15 so the cost of each diary is $21.50. ☺️
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29 mm<br> 가<br> 120 mm<br> D<br> What is the perimeter?<br> millimeters
Stella [2.4K]
Pythagoras theorem : a^2 + b^2 = c^2

20^2 + b^2 = 29^2

400 + b^2 = 841


841 - 400 = 441

Square root 441 = 21


PERIMETER :

21+29+20 = 70

The answer is 70
7 0
3 years ago
Question 8: The equation of motion of a particle is
lawyer [7]

Answer:

D) 22\:\text{m/s}^2

Step-by-step explanation:

Acceleration is the derivative of velocity, which is the derivative of position, so we must differentiate the function twice:

Position of Particle: s(t)=t^3-4t^2+2t+8

Velocity of Particle: v(t)=3t^2-8t+2

Acceleration of Particle: a(t)=6t-8

After t=5 seconds, the acceleration of the particle is a(5)=6(5)-8=30-8=22\:\text{m/s}^2

4 0
3 years ago
2×-6=12
Svet_ta [14]

Answer:

2 multiply by six is 12

Step-by-step explanation:

this answer is not correct

the answer would be -12 as the biggest no. is 6 and it contains - sign

hope it helps you pls mark me as brainlest

if not possible the just thank and vote

7 0
4 years ago
HELPsjskskksksksksnxhxhxjsjsns
Vikki [24]
Your answer would be A. -15/2 < x < 0
6 0
3 years ago
Or x. -2(3x – 4) – X – 3 = 33 ver: Submit Answer​
BigorU [14]

Answer:

-2(3X-4) - X -3 = 33

-6X+8 - X -3 = 33

-7X +5 = 33

-7X = 33 -5

-7X =28

- X= 28÷7

-X = 4

SO X = - 4

Step-by-step explanation:

7 0
3 years ago
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