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larisa [96]
3 years ago
10

Divide 4.5kg in the ratio 4:5

Mathematics
2 answers:
PilotLPTM [1.2K]3 years ago
8 0

Answer:

2 : 2.5

Step-by-step explanation:

4 : 5 ----> 4x, 5x

4x + 5x = 4.5

9x = 4.5

x = 4.5 / 9

x = 0.5

4x

= 4 x 0.5

= 2

5x

= 5 x 0.5

= 2.5

4 : 5

= 4x : 5x

= 2 : 2.5

serious [3.7K]3 years ago
5 0

Answer:

2 Kg and 2.5Kg.

Step-by-step explanation:

Total number of parts = 4 + 5 = 9.

So the required quantities are 4*4.5 / 9 and 5*4.5/9

= 2 and 2.5.

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Mrrafil [7]
Your answer is x = 78! Hope this helps!
3 0
3 years ago
Erin’s car uses 6 gallons of gas for every 138 miles she drives. Which equation could be used to find how many gallons,g, Erin n
alina1380 [7]

Answer:

g = 6 / 3 x 2

Step-by-step explanation:

g = 6 / 3 x 2 because 92 / 2 = 46. 46 x 3 = 138. so / 3 = 46 x 2 = 92

3 0
2 years ago
8. Let X be the number of cars per minute passing a certain point of some road between 8am and 10am on a Sunday. Assume that X h
Lana71 [14]

Answer:

P (3 or fewer) =0.2650

Step-by-step explanation:

Mean = x` = 5

The Poisson distribution formula  is given by

P(X) = e-ˣ` x`ˣ/ x!

The mean is 5 and the X takes the values 0,1,2,and 3 which means 3 or fewer, so we add the probability of all the values of X to get the desired Value of X.

P(3 or fewer ) = e-⁵ (5)³/3!+  e-⁵ (5)²/2! +e-⁵ (5)/1!+e-⁵ (5)⁰/0!

Putting the Values

P (3 or fewer) = 0.006737 . 125 / 6 + 0.006737 . 25 / 2 +0.006737 . 5 / 1 + 0.006737 . 1 / 1

P (3 or fewer) = 0.140374 + 0.08422+ 0.03369 +0.006737

P (3 or fewer) =0.2650

7 0
3 years ago
EXPERTS PLS HELPPP- q.8
Klio2033 [76]
Your answers are:
1: 14
2: 66
3: 4
4: 1/16 or 0.0625
5: 17
6: 1

Hope this helps!
7 0
3 years ago
Read 2 more answers
An equation is shown below. 12 - 9 + c = 12 What value of c makes the equation true?
kvasek [131]
<h3>♫ - - - - - - - - - - - - - - - ~Hello There!~ - - - - - - - - - - - - - - - ♫</h3>

➷ 12 - 9 = 3

3 + c = 12

c = 12 - 3

c = 9

<h3><u>✽</u></h3>

➶ Hope This Helps You!

➶ Good Luck (:

➶ Have A Great Day ^-^

↬ ʜᴀɴɴᴀʜ ♡

7 0
3 years ago
Read 2 more answers
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