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dangina [55]
2 years ago
15

A sum amounts Rs. 720 is divided into two parts in the ratio 3:5. How much will be the amount in second part?) Ans: Rs. 450 ​

Mathematics
1 answer:
DaniilM [7]2 years ago
6 0
  • Both part be 3x and 5x

ATQ

\\ \rm\rightarrowtail 3x+5x=720

\\ \rm\rightarrowtail 8x=720

\\ \rm\rightarrowtail x=90

Second part:-

5x=5(90)=450

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AlexFokin [52]

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100 divided by 2 (boy and girl) is 50, then 4 goes into 100 25 times so a chance of being a girl in a family of 4 is 25% or .25

5 0
1 year ago
Choose the equation below that represents the line passing through the point (-3,-1) with a slope of 4.
Bingel [31]
Y = mx + b
slope(m) = 4
(-3,-1)...x = -3 and y = -1
now we sub...we r looking for b, the y int.
-1 = 4(-3) + b
-1 = -12 + b
-1 + 12 = b
11 = b

so ur equation is : y = 4x + 11

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3 years ago
Whats the operation <br><br> multiplication ? subtraction ?
Ksivusya [100]
Subtraction is the operation that you should is to solve this problem
8 0
3 years ago
Read 2 more answers
The measure of an angle is five times the measure of its complementary angle. What is the measure of each angle?
GalinKa [24]

Answer:

150 degrees

Step-by-step explanation:

  1. Let the supplement = x  
  2. So the angle you want is 5x  
  3. Then [x + 5x] = 180 because they are supplementary.  
  4. Solving. 6x = 180. Then x = 30.  
  5. So the angle is 5x = 5×30 = 150 degrees
3 0
2 years ago
(15pts) factor each completly
Natali [406]
Your answers:

10) (m+7)(m+8) 11) (b-10)(b+2)

12) (k-4)(k+10) 13) (n-9)(n-8)

14) (7r+3)(r-2) 15) (5a+6)(a+2)

Hope it helps
5 0
3 years ago
Read 2 more answers
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