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marishachu [46]
3 years ago
9

The cost of 12 kg sugar is $240 what will be the cost of 3 kg sugar​

Mathematics
1 answer:
Alexus [3.1K]3 years ago
3 0

Question:

The cost of 12 kg sugar is $240 what will be the cost of 3 kg sugar.

Given:

  • Cost of 12 kg sugar = $240

To find?

  • cost of 3 kg sugar

Answer :

<u>To find </u><u>c</u><u>o</u><u>s</u><u>t</u><u> </u><u>of</u><u> </u><u>3kg sugar first we have to find cost of 1 kg sugar</u><u>.</u>

  • Cost of 1 kg sugar = Cost of total no. of sugar ÷Total sugar
  • Cost of 1 kg sugar = $240/12
  • Cost of 1 kg sugar = $20

<u>Now Let's find cost of 3 kg sugar</u>

Cost of 3kg sugar = total no of sugar ×Cost of 1 kg sugar

Cost of 3kg sugar = 3×$20

Cost of 3kg sugar = $60

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Move all terms not containing  x  to the right side of the inequality. You should get x<3

This is what your line should look like. The circle will be open because the is not line under the less than sign. And it will be going toward the left because it is less than greater than is graphed to the right.

5 0
3 years ago
A sample of size 20 from a normal distribution has sample mean 3.5 and sample variance 14.75. Find 90% confidence intervals for
aleksley [76]

Answer:

Variance =9.2983, 27.6927

Standard deviation = 3.0493, 5.2624

Step-by-step explanation:

n = 20

S = 14.75

X² = chisquare

N-1 = degree of freedom

Alpha = 0.1

Alpha/2 = 0.1/2 = 0.05

1-0.1/2 = 0.95

Using statistics table

X² 19,0.05 = 30.14

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A. 19(14.75)/30.14 , 19(14 75)/10.12

= 9.2983, 27.6927 for the variance of the population

B. Standard deviation = square root of variance

= √9.2983, √27.6927

= 3.0493, 5.2624

Please use attachment for better understanding

5 0
3 years ago
Please help me this is due today
Serjik [45]

Answer:

1. 15 (A)

2. 12 (G)

Step-by-step explanation:

1.  We can make an equation out of this...

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    x is the age of Geoff which is what we are trying to find out

   

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    3x+3=48

         -3   -3

     ________

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     we then have to divide 3 by both sides because its the opposite of                

     multipling

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         3

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2.   We can write a problem statement  

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      Your Welcome! Have a great rest of your day! :)

 

       

     

7 0
2 years ago
Jackie follow the steps to elevate the expression 15 - (37 + 8) divide 3 37 + 8 = 45 45-15= 30 30 divided by 3 = 10 Mark looks a
damaskus [11]

Answer:

So, we conclude that Mark is right.

Step-by-step explanation:

If we have the following expression: 15 - (37 + 8) : 3.

We will first divide the value we get in parentheses and then subtract it.

Because sharing is an older mathematical operation than subtraction. Therefore, we get:

15-(37+8):3=15-45:3=15-15=0

So, we conclude that Mark is right.

3 0
3 years ago
A bowl contains candies of the same size and three flavors: Orange, strawberry, and pineapple. If the probability of randomly pu
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