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3 years ago

30 POINTS!!!

Mathematics

1 answer:

balandron [24]3 years ago

6 0

Answer:

Step-by-step explanation:

A. Right Triangle

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Change 2/7% to a ratio

andre [41]

(2/7)% =

(2 / 7) / 100 = 

2 / 700 

2 : 698 

1 : 349

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3 years ago

Divide R300 000 between Leona and Janet in the ratio 3:2.

ella [17]

Answer:

let the ratio be in x 

a/q. 3x + 2x = 300000

 5x = 300000

x = 300000/5

x= 60000

Leona = 60000*3 = 180000

Janet = 60000*2 = 120000

hope it helps

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3 years ago

How so you round 7,895,164 to the nearest 1,000

lana [24]

Answer: 7,895,164 rounded to the nearest 1,000 is 7,895,000

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3 years ago

A jumper in the long-jump goes into the jump with a speed of 12 m/s at an angle of 20° above the horizontal. How far does the ju

weeeeeb [17]

Answer:

x = 9.5 m

Step-by-step explanation:

Given:

This problem is based on 2D motion kinematics equations:

$V_0 = 12 m/s$

$\theta = 20^0$

$g=9.8 m/s^2$

At maximum height:

$V_y = 0$

Components of initial velocity:

$V_0x = V_0 cos (\theta) =(12 )(cos (20^0)) = 11.3 m/s$

$V_0x = V_0 sin (\theta) = (12)(sin (20^0)) = 4.10 m/s$

To find time to reach maximum height:

$V_y = V_0y -gt$

Plugging in the known values:

0 = 4.10 - 9.8t

$t = \frac{-4.10}{-9.8}$

$t = 0.418 s$

Total time = 2t = 2(0.418) = 0.836 s

to find horizontal distance covered:

$x = (V_0x)(t)\\x = (11.3)(0.836)\\x = 9.5 m$

8 0

3 years ago

What is 1+1 its super hard

Andrews [41]

Answer:

Step-by-step explanation:

even tho this is a very hard question it is 2.

5 0

3 years ago