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3 years ago

10

6 cakes cost £6.48 how much does one cost

1 answer:

sveta [45]3 years ago

8 0

6.48 divide by 6 and u will get the answer

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What is the most preside classification of the quadrilateral formed by connecting the midpoints of the sides of a square?

vampirchik [111]

The answer is a square

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3 years ago

In tests for intoxication, blood alcohol levels are expressed as percentages by volume. A blood alcohol level of 0.080% by volum

GaryK [48]

Answer:

The required volume is 5 ml.

Step-by-step explanation:

Given : In tests for intoxication, blood alcohol levels are expressed as percentages by volume. A blood alcohol level of 0.080% by volume means 0.080 mL of ethanol per 100 mL of blood and is considered proof of intoxication. If a person's total blood volume is 5.0 L.

To find : What volume of alcohol in the blood gives a blood alcohol level of 0.100 % by volume?

Solution :

According to question we use the formula,

$\text{Present Volume}=\dfrac{\text{Vol}_{\text{Alcohol}}}{\text{Vol}_{\text{total}}}\times 100\%$

The percentage of a blood alcohol level is 0.100%

The total volume of the blood is V=5L=5000 ml.

Substitute the value in the formula,

$0.100=\dfrac{\text{Vol}_{\text{Alcohol}}}{5000}\times 100$

$\frac{0.100}{100}=\dfrac{\text{Vol}_{\text{Alcohol}}}{5000}$

$\text{Vol}_{\text{Alcohol}}=\frac{0.100\times 5000}{100}$

$\text{Vol}_{\text{Alcohol}}=5$

Therefore, the required volume is 5 ml.

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3 years ago

Forty-eight pounds of sand are used to fill 12 bags. Miranda uses the five-step problem-solving plan. After completing the Solve

Alja [10]

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4 years ago

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Please help me with 10 and 12 thank you so much

aleksandrvk [35]

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Hope this helps!
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3 years ago

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Which of the following is true regarding ANOVA?

Nikitich [7]

Answer:

Option d) Both (a) and (c)

Step-by-step explanation:

ANOVA

It stands for analysis of variance
It is used to check difference in mean of three or more groups.
It can also be used to check the difference between mean of groups.
It can also be used to check the difference between medians of groups.
There are many types of ANOVA test: one way, two way, etc

Thus, the correct answer is

Option d) Both (a) and (c)

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3 years ago