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lesya [120]
2 years ago
7

Joe and his 2 friends are making Smores. Each Smore uses 1/4 of a chocolate bar and the package has 8 chocolate bars. How many S

mores can the boys make?
Mathematics
1 answer:
tiny-mole [99]2 years ago
3 0

Answer:

They made 2 smores. 1/4(8) = 2

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Logarithms and exponentials are?
Aneli [31]

Answer:

Logarithms are the "opposite" of exponentials, just as subtraction is the opposite of addition and division is the opposite of multiplication. Logs "undo" exponentials. Technically speaking, logs are the inverses of exponentials. On the left-hand side above is the exponential statement "y = bx

Step-by-step explanation:

3 0
3 years ago
Suppose an automotive repair company wants to determine the current percentage of customers who keep up with regular vehicle mai
Nina [5.8K]

Answer: 1692

Step-by-step explanation:

Formula to find the sample size :

n=p(1-p)(\dfrac{z_{\alpha/2}}{E})^2

Given : Confidence level : (1-\alpha)=0.90

⇒ significance level =\alpha= 0.10

z-value for 90% confidence interval (using z-table)=z_{\alpha/2}=1.645

Prior estimate of the population proportion (p) of customers who keep up with regular vehicle maintenance is unknown.

Let we take p= 0.5

Margin of error : E= 2%=0.02

Now, the required sample size will be :

n=0.5(1-0.5)(\dfrac{1.645}{0.02})^2

Simplify , we get

n=(0.25)(6765.0625)=1691.265625\approx1692

Hence, the required sample size = 1692

8 0
3 years ago
Read 2 more answers
What is one intothirds -4/5
Sphinxa [80]

Answer: 13/15


Step-by-step explanation:

1  2/3 - 4/5

Use LCD or least common denominator:

1  10/15 - 12/15 =

25/15 - 12/15 =

13/15

7 0
3 years ago
How many kilograms are equal to 5,000grams?
Maurinko [17]
5000 grams are equal to 5 kilograms
8 0
2 years ago
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Evaluate 2b^2-4a+4a^2 for a= 3 and b= -8
masha68 [24]
Given a = 3 and b = - 8 ,


= > 2b² - 4a + 4a²

= > 2( - 8 )² - 4( 3 ) + 4( 3 )²

= > 2( 64 ) - 4( 3 ) + 4( 9 )

= > 128 - 12 + 36

= > 116 + 36

= > 152



\:


5 0
3 years ago
Read 2 more answers
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