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Juliette [100K]
2 years ago
8

Which expression has a value of 13?

Mathematics
1 answer:
Mumz [18]2 years ago
4 0

Answer:

To solve this problem you will have to use PEMDAS (parenthesis, exponents, multiplication, division, addition, and subtraction).

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Which number is the additive inverse of –5?<br> – One-fifth<br> 0<br> Negative one-fifth<br> 5
dalvyx [7]
The answer is 5. the additive inverse of something is basically the opposite !
3 0
3 years ago
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Are these correct if not what can I do to fix them
Hoochie [10]
So if the number is positive then the opposite is negative, vice versa.
opposite of 4 is -4
opposite of -5 is 5
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3 years ago
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Randi bought a wallet for $8.33. She paid with a $20 bill. Which of the following could be the change she received?
Gre4nikov [31]

Answer:

A.

Step-by-step explanation:

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A is the correct math

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3 years ago
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What is 1.23 pounds written as a mixed number
sergiy2304 [10]

The answer would be 1\frac{23}{100}


In 1.23, we know that 1 is a whole number and .23 is part of a whole, so it is a fraction.


.23 can be written as \frac{23}{100} because the decimal is till the hundredths place.


We cannot simplify \frac{23}{100} any further so we leave it as is.


The answer would then be 1\frac{23}{100}.


6 0
3 years ago
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A company wants to estimate the mean net weight of all 32-ounce packages of its yummy taste cookies at 95% confidence. it is kno
Georgia [21]
Standard deviation= σ= 0.1 
Confidence interval= 95%= 0.95
Significance level=α= 1-0.95= 0.05
 α/2 = 0.025
At  α/2  z( α/2 ) =1.960   [from statistic table]
Now,
the sample size at error of 0.02 is
0.02=z( α/2 )σ/√n
0.02=(1.960)*(0.1)/√n
5/49 = 1/√n
√n=49/5
n=96.04
n should be 96 or greater 

4 0
3 years ago
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