2 years ago

Please solve with work much appreciated

Mathematics

1 answer:

mamaluj [8]2 years ago

6 0

Answer:

0.046

Step-by-step explanation:

$\text{BAC} = \dfrac{10N - 7.5H}{6.8 M}$

Data:

N = 4

H = 2

M = 80

Calculation:

$\text{BAC} = \dfrac{10N - 7.5H}{6.8M} = \dfrac{10\times4 - 7.5\times2}{6.8\times80} = \dfrac{40 - 15}{544} = \dfrac{25}{544} = 0.046$

You might be interested in

Twice the difference of a number and three is negative two. Find the number

lianna [129]

<h3>Answer:</h3>

$x=2$

<h3>Explanation:</h3>

Represent the sentence mathematically. $2(x-3)=-2$

Distribute. $2x+(2*-3)=2x-6=-2$

Add 6 on both sides. $2x=-2+6=4$

Divide both sides by 2. $x=2$

8 0

2 years ago

Jack, Davis, Faiza, and Marry want to take a picture together. In how many ways can they are arranged?

mafiozo [28]

Answer:

Step-by-step explanation:

3 0

2 years ago

Sally has a GPA of 3.35. What percentage of the students have a GPA above her GPA? Show all work. (Note: GPA is normally distrib

DaniilM [7]

The distribution lies within one of the standard of deviation of the mean so <span>68% </span>
The distribution lies within two of the standard of deviations of the mean so 95%
The distribution lies within three of the standard of deviations of the mean so 99.7%

7 0

3 years ago

When a number is increased by 40 % it gives 84. Find the original number

Julli [10]

I believe the answer is $33.60?

3 0

3 years ago

Read 2 more answers

A circular swimming pool has a radius of 15 ft. There is a path all the way around that pool that is three feet wide. What is th

daser333 [38]

Answer:

The radius of the circle with the circumfrence we need to find is 15+3=18.