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Anuta_ua [19.1K]
3 years ago
8

one positive number is 12 times another positive number. The difference between the two numbers is 143

Mathematics
2 answers:
stich3 [128]3 years ago
8 0
Let x is one positive number
<span>One positive number is 12 times another positive number 12x
</span>12x - x = 143
11x = 143
x = 143/11
x = 13

12x = 12(13) = 156

answer: 2 numbers are 13 and 156

double check:

<span>difference between the two numbers is 143
</span>156 - 13 = 143 


Natali [406]3 years ago
5 0
Let x be the unknown number and let's set up an equation.
12x - x = 143
Now solve for x:
11x = 143
x = 13
The positive number is 13.
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Using the interpretation of a confidence interval, it is found that approximately 950 of those confidence intervals will contain the value of the unknown parameter.

A x% confidence interval means that we are x% confident that the population mean is in the interval.

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In this problem:

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0.95 x 1000 = 950

Hence, approximately 950 of those confidence intervals will contain the value of the unknown parameter.

A similar problem is given at brainly.com/question/24303674

3 0
3 years ago
Evaluate -1-3-(-9)+(-5)
babunello [35]

To evaluate this expression, we need to remember that subtracting a negative number is the same as adding a positive number, and that adding a negative number is the same as subtracting a positive number. Using this knowledge, let's begin to simplify the expression below:

-1 - 3 - (-9) + (-5)

Because addition of a negative number is the same as subtraction of a positive number, we can change + (-5) to -5, as shown below:

-1 - 3 - (-9) - 5

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-1 - 3 + 9 - 5

Now, we can subtract the first two terms and begin to evaluate our expression:

-4 + 9 - 5

Next, we can add the first two numbers of the expression:

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Hope this helps!

3 0
3 years ago
Tim has 72 football cards and ben has 33 football cards. How many more football cards does tim have?
ankoles [38]

Answer:

the answer is 39


Step-by-step explanation:

you have to just easily subtract 72-33= 39


BRAINIEST PLZZZZ AND RATE ME

4 0
3 years ago
Read 2 more answers
The question is in a screenshot please help ty
ICE Princess25 [194]
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5 0
3 years ago
Sam has an I-tunes card to purchase music after purchasing 7 songs his balance on the card is 41.25. The balance of the card was
NNADVOKAT [17]

Answer:

93.75

Step-by-step explanation:

well think about this he purchased 7 songs then he is left with $ 41.25 on his card then he bought 18 songs for 27.50 would tell you how much was used what it wants is for you to figure out the starting number using the  equation 7+18= 25 and 41.25+27.50= 68.70. which would make 68.70+ 25= 93.75  

6 0
3 years ago
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