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valkas [14]
3 years ago
9

Help im desperatrte pls

Mathematics
1 answer:
Zepler [3.9K]3 years ago
7 0

Answer:

337.5

Step-by-step explanation:

4 1/2*5*3 3/4

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A is directly proportional to b. When a is 6, b is 72. Find b when a is 8. 3
adelina 88 [10]

Answer:

a)  <em>"K" is proportional Constant   K= 0.0833</em>

<em>b)     The value of b = 99.639</em>

Step-by-step explanation:

<u><em>Explanation</em></u> :-

Given   'a' is directly proportional to 'b'

                     a ∝ b

                <em>  a  =  k b ....(i)</em>

<em>where "K" is proportional Constant</em>

<u><em>Case(i)</em></u><em>:-</em>

<em>when a =6  and b=72</em>

<em>               a  =  k b     </em>

<em>          ⇒ 6 = k (72)</em>

<em>        ⇒  </em>K = \frac{6}{72} = \frac{1}{12} = 0.0833<em>      </em>

<u><em>Case(ii)</em></u><em>:-      </em>

<em> Given  a = 8.3  </em>

<em>           a  =  k b     </em>

<em>⇒   8.3 = 0.0833 ×b</em>

<em>⇒  </em>b = \frac{8.3}{0.0833} = 99.639<em></em>

<u><em>Final answer</em></u><em>:-</em>

a)<em>"K" is proportional Constant   K= 0.0833</em>

<em>b)     The value of b = 99.639</em>

<em></em>

<em></em>

<em></em>

<em></em>

6 0
3 years ago
CAN SOMEONE PLEASE HELP ME???
Yuri [45]

Answer:

D if im wrong im sorry

Step-by-step explanation:

4 0
4 years ago
ILL MARK BRAINLIEST
SpyIntel [72]
Y=3x-5

Y=5/4x+3/4

The solution to the equations is in the picture

7 0
3 years ago
A line passes through the point (4 , 2) and has a slope of 5/4
lidiya [134]
Y - 2 = 5/4 ( x - 4 )

or 

y = 5x/4 - 3
6 0
3 years ago
8+x/2=-12 i need help badly
Musya8 [376]
First subtract 8 from both sides 
leaving you with x/2 = -20 
Then multiply both sides by two to get rid of the denominator
which leaves you with x = -40
4 0
3 years ago
Read 2 more answers
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