if 45 grams of a drug are contained in 200 mL how many grams are contained in 80 ml

Answers

Answer 1
45 g have 200ml
45/200g have 1ml
0.225g have 1ml
0.225*80 have 80 ml
18 g have 80ml


Related Questions

How you could use the numerical value of slope to describe the slant and steepness of a line?

Answers

A positive  value means the line is rising towards the right , a negative the line  is downwards to the right.

The higher the absolute value of the slope the steeper the line.

A statistics class at wilmington college has 25 students of which 15 are math majors and 10 are business majors. the professor randomly selects five students to work together on a group project. what is the mean of this probability distribution if selecting a business major is defined as a success?

Answers

Final answer:

The mean of this probability distribution is 2.

Explanation:

To find the mean of the probability distribution, we need to calculate the expected value. In this case, the random variable is selecting a business major as a success. So, the probability of selecting a business major is 10/25, or 0.4. The number of successes (business majors) in the group project can range from 0 to 5. Using the formula for expected value:

E(X) = p1 * x1 + p2 * x2 + ... + pn * xn,

where pi is the probability of xi occurring, we can calculate the mean as:

E(X) = (0.4 * 0) + (0.4 * 1) + (0.4 * 2) + (0.4 * 3) + (0.4 * 4) + (0.4 * 5)

E(X) = 2

Therefore, the mean of this probability distribution is 2.



Use properties of equality to simplify each of the following expressions so that you can simplify them in your head. Identify the properties used and describe how you used them.

1. 4 • (–3) • 5



2. (2.25 • 23) • 4





4. 5 • 12 • (–2)



5. 35(26)(0)

Answers

Properties of equality have nothing to do with it. The associative and commutative properties of multiplication are used (along with the distributive property and the fact of arithmetic: 9 = 10 - 1).

All of these problems make use of the strategy, "look at what you have before you start work."


1. = (4·5)·(-3) = 20·(-3) = -60 . . . . if you know factors of 60, you can do this any way you like. It is convenient to ignore the sign until the final result.

2. = (2.25·4)·23 = 9·23 = 23·10 -23 = 230 -23 = 207 . . . . multiplication by 4 can clear the fraction in 2 1/4, so we choose to do that first. Multiplication by 9 can be done with a subtraction that is often easier than using ×9 facts.

4. = (2·5)·12·(-1) = 10·12·(-1) = (-1)·120 = -120 . . . . multiplying by 10 is about the easiest, so it is convenient to identify the factors of 10 and use them first. Again, it is convenient to ignore the sign until the end.

5. = 0 . . . . when a factor is zero, the product is zero

Find the maximum value of the function

Answers

the maximum value of the function is 5/4.
[tex]\bf \stackrel{f(x)}{y}=1-x-x^2\implies y=-x^2-x+1 \\\\\\ \textit{ vertex of a vertical parabola, using coefficients}\\\\ \begin{array}{lccclll} y = &{{ -1}}x^2&{{ -1}}x&{{ +1}}\\ &\uparrow &\uparrow &\uparrow \\ &a&b&c \end{array}\qquad \left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad {{ c}}-\cfrac{{{ b}}^2}{4{{ a}}}\right) \\\\\\ \left(-\cfrac{{{ b}}}{2{{ a}}}\quad ,\quad \stackrel{maximum}{1-\cfrac{(-1)^2}{4(-1)}}\right)[/tex]

Mr. Henderson did not realize his checking account had a balance of $200 when he used his debit card for a $317.25 purchase. What is his checking account balance after the purchase?

Answers

All you have to do is subtract 200-317.25 to get -117.25
-114.25. 200 - 314.25 would equal a negative because Mr. Henderson didn't have enough money.   

Daniel is enrolling for a test prep class. The expression below represents the hourly charges, including the cost for the materials. $30x + $65


1. The constant of the expression represents the ___ A. cost of materials
B. Cost per hour
C. Number of hours
2. and the coefficient of x represents the__ A. Cost per hour
B. cost of materials
C. number of hours

Answers

1. Cost per hour does not change (It will always be 30 dollars per hour)


2. The number of hours (the number of hours depends on the amount of time he stays there)

hope this helps

Answer:

(1) The constant of the expression represents the cost of material .

Option (A) is correct .

(2)  The coefficient of x represents the cost per hour .

Option (A) is correct .

Step-by-step explanation:

As given the expression

Total cost of hourly wage including the cost for the material = $30x + $65

(1) The constant of the expression represents the cost of material .

Option (A) is correct .

(2)  The coefficient of x represents the cost per hour .

Option (A) is correct .


Use multiples to write two fractions equivalent 3/8

Answers

6/16 (multiply 2 top and bottom)

9/24 (multiply 3 top and bottom)

hope this helps

Answer:

its 3

Step-by-step explanation:

333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333333

Divide. Write your answer as a fraction in simplest form.
9/10÷(−6/5)=

Answers

Your answer would be -3/4

When going more than 38 miles per hour, the gas mileage of a certain car fits the model y = 43.81 - .395x where x is the speed of the car in miles per hour and y is the miles per gallon of gasoline. Based on this model, at what speed will the car average 15 miles per gallon? (Round to nearest whole number.)

Answers

15= 43.81-.395x
move the 43.81 to the other side by subtracting it on both sides.
-28.81=-.395x
divide -28.81 by -.395 and get x
x=72.9367= 73 miles per hour to get 15 miles per gallon

Answer:

d. 73

The car will average 15 miles per gallon at the speed 73 miles per hour

Step-by-step explanation:

Your equation is: y = 43.81 - 0.395x

We need to solve for x if y = 15

So plug 15 into your equation: 15 = 43.81 - 0.395x

Then rearrange your equation to get the variable by itself and change the sign: 0.395x = 43.81 - 15

Subtract 43.81 - 15 = 28.81

0.395x = 28.81

Then divide both sides of the equation by 0.395

0.395x/0.395 = 28.81/0.395

x = 72.9367088608

Then (Round to nearest whole number.)

Giving you your solution of 73

To Conclude:

The car will average 15 miles per gallon at the speed 73 miles per hour

A film shop carrying black and white film and color film has $4000 in inventory the profit on black and white film is 12% and the profit on color film is 21% if all the film is sold and if the profit on color film is $150 less than the profit on blavk and white film how much was invested in each type of film

Answers

He invested $3000 in black and white film
He invested $1000 in color film
Final answer:

To solve this problem, set up a system of linear equations based on the total investment and profit conditions given. Solve for the variables representing investment amounts in black and white film and color film. This process demonstrates practical application of algebra in finance.

Explanation:

Let's find how much was invested in black and white film and color film at a film shop with a total inventory of $4000, knowing that the profit on black and white film is 12%, the profit on color film is 21%, and the profit on color film is $150 less than the profit on black and white film.


Let x represent the amount invested in black and white film, and y represent the amount invested in color film. According to the problem, we have two equations:

x + y = 4000 (Equation 1: the total investment)0.12x = 0.21y + 150 (Equation 2: the profit condition)


First, rearrange Equation 2 to isolate y: 0.12x - 150 = 0.21y. Then, convert it to y = (0.12/0.21)x - (150/0.21).


Next, substitute the value of y from Equation 2 into Equation 1: x + ((0.12/0.21)x - (150/0.21)) = 4000. Solve this equation for x to find the amount invested in black and white film, then substitute x back into either equation to find y, the amount invested in color film.


This problem involves forming and solving a system of linear equations based on the given profit percentages and the condition that profit on color film is $150 less than the profit on black and white film, demonstrating application of algebra in financial contexts.

In general, the air temperature decreases 12 degrees for every 4,000 feet increase in altitude. If a hiker climbs 3,000 feet by how much can she expect the temperature to decrease?

Answers


 3,000, 4,000 = 3/4 
3/4 * 12 = 36/ 4. = 9 degrees 

The numbers on two consecutively numbered gym lockers have a sum of 143. What are the locker numbers

Answers

a + a + 1 = 143

2a + 1 = 143

2a = 142

a = 71

b = 71 + 1

b = 72

check;

71 + 72 = 143

143 = 143

so your answer is 71 and 72. hope this helps, God bless! 
143 divided by 2 = 71.5
71.5 - .5 = 71
.5 + .5 = 1
71 + 1 = 72
So the answer is 71 and 72



Sarah started 3 miles below the rim of the canyon and hiked until she was 8 miles above the rim. Her brother Sam said she hiked 5 miles. Sarah said she hiked 11 miles.
Who is correct and why?
A. Sam is correct because |3 – 8| = 5.
B. Sam is correct because |–3 – 8| = 5.
C. Sarah is correct because |–3 + 8| = 11.
D. Sarah is correct because |–3 – 8| = 11.

Answers

-3 to 0 would be 3 then add 8 = 11 miles.

 Sarah is correct

answer is D. Sarah is correct because |–3 – 8| = 11.

Sarah is correct because |–3 – 8| = 11, answer is option D. using number line concept.

What is number line geometery?

A number line is a horizontal line that has numbers in equal intervals.The numbers included on the line can be negative or positive taking zero as a reference point at the center called the origin.

The horizontal straight lines in which the integers are placed in equal intervals increase as we go right.The horizontal straight lines in which the integers are placed in equal intervals decreases as we go left.

A vector is an object that has both a magnitude as wel as direction. direction. It is represented by an arrow (head) and the tail which indicates the direction.The length is proportional to the quantity's magnitude.The resultant vector can be calculated using vector addition, and vector subtraction.Unit vector always has a magnitude of one and tells about the direction

explanation:- using number line concept.

-3 to 0 would be 3 then add 8 = 11 miles.

⇒Sarah started 3 miles below the rim = -3

⇒ initially she was above 8 miles

⇒  total distance first from -3 to 0 and than from o to 8

Therefore total distance =  |–3 – 8| = 11.

Hence the answer is option D. Sarah is correct because |–3 – 8| = 11.

Learn more about Number line here:-https://brainly.com/question/25748640

#SPJ2

Another tent has the perimeter of 7.2 metres. If the width is 1.3 meters, what is the length?

Answers

Hello,

With what we know, let's set up an equation. The equation to find the perimeter of a rectangle is: P = 2( L + W)

We know the perimeter is = 7.2 meters

And we know the width is = 1.3 meters

Let's plug that into the equation.
7.2 = 2(1.3 + L)

Let's then distribute the 2 to what's in the parenthesis.
7.2 = 2.6 + 2L

If we then want to find the length, we need to subtract 2.6 from that side and also subtract it to the other side so that 2L is only left. After you do that, the equation simplifies to:
7.2 - 2.6 = 2L

The next step is to subtract 7.2 to 2.6, which is:
4.6 = 2L

Lastly, we want to get L by itself so we will divide l by 2, to cancel the 2 out, and then we need to also divide the left side with 2 also. And that will get you with: 
4.6/2 = L

After you divide, L = 2.3 meters

Hope this helps! Have a great day =).

May

21.95 with a 4.25% sales tax

Answers

Multiply 21.95 by 1.0425
You get approximate 22.88
That's your answer.

Have an awesome day! :)

From your friendly Helper-in-Training, collinjun0827
The overall price for something that costs $21.95 with a 4.25% sales tax is $22.88. This is how to solve it:

21.95 / 100 = 0.2195 (since percentages are hundredths of a whole number, we divide the whole number by 100 to get 1% of the number)

0.2195 * 4.25 = 0.932879 (since what we got is only 1%, we need to multiply that by 4.25 to get 4.25% of 21.95)

Round 0.932879 up to the nearest thousandth (or 0.93)
And add 21.95 to 0.93.

21.95 + 0.93 = $22.88

I hope this helped you! :)

Need help on question 30 please

Answers

check the picture below.

make sure your calculator is in Degree mode.

write an algebraic expression to model each situation. you have a summer job at a car wash. you earn $8.50 per hour and are expected to pay a one-time fee of $15 for the uniform. if you work x hours per week, how much will you make during the first week? show all your work.

Answers

So we know $8.50 per hour
One-time fee of $15 for uniform
x hours per week

y=8.5x-15

Answer:

The algebraic expression to the model is [tex]8.5x-15[/tex]

Step-by-step explanation:

Consider the provide situation.

You have a summer job at a car wash. you earn $8.50 per hour and are expected to pay a one-time fee of $15 for the uniform.

Let you work for x hours per week and you earn $8.50 per hours, so the money you will earn can be represented as:

8.50 times x or 8.50x

Now you need to pay one time fee of $15 for the uniform.

For the one time fee use a negative sign.

Thus, the required expression is:

[tex]8.50x-15[/tex]

The algebraic expression to the model is [tex]8.5x-15[/tex]

find the (f of f) (0) f(x)=3x-2

Answers

Final answer:

To find (f of f)(0), substitute the value of f(0) into the function and evaluate.

Explanation:

To find (f of f)(0), we need to first find f(f(0)). Given that f(x) = 3x - 2, let's substitute f(0) into the function.



f(0) = 3(0) - 2 = -2Now, let's substitute this value into the function again:f(f(0)) = f(-2) = 3(-2) - 2 = -8



Therefore, (f of f)(0) is equal to -8.

WORTH 20 POINTS
Which functions are equivalent to f(x)= 4√162? Check all that apply

Answers

Answer:

1,2,5

Step-by-step explanation:

If g is an odd function, which pair of points could be found on the graph of g?
A) (-1,16) and (1,16)
B) (3,-5) and (-3,-5)
C) (4,28) and (4,-28)
D) (-2,32) and (2,-32)

Answers

An odd function is such that -f(x)=f(-x). D is the only option that satisfies this. f(2)=-32 and f(-2)=-f(2)=32.

Answer:

D is the only option that satisfies this. f(x)=-32 and f(-2)=-f(x)=32.

Step-by-step explanation:


there are 220 calories in 4 ounces of beef. how many calories are there in 5 ounces

Answers

Final answer:

To find the number of calories in 5 ounces of beef, divide 220 calories by 4 ounces to find the per ounce calorie count and then multiply by 5. The answer is 275 calories for 5 ounces of beef.

Explanation:

To determine the number of calories in 5 ounces of beef, we will first calculate the calories per ounce. Given that there are 220 calories in 4 ounces of beef, we can divide 220 calories by 4 to find the number of calories in 1 ounce.

220 calories ÷ 4 ounces = 55 calories per ounce.

Now, if one ounce of beef has 55 calories, then 5 ounces of beef would have:

55 calories/ounce × 5 ounces = 275 calories.

Therefore, 5 ounces of beef contains 275 calories.

Women's shoe size follow a normal distribution with a mean of size 7.5 and a standard deviation of 1.5 sizes. Using the 68-95-99.7 rule, if a store owner wants to stock shoe that fit. 68% of women, what range of sizes should the owner order

Answers

Given:
μ = 7.5, the population mean
σ = 1.5, the population standard deviation

According to the 68 - 95 - 99.7 rule, 68% of the population data lies within one standard deviation of the population mean.
Therefore the range of sizes that fit 68% of women is
(7.5-1.5, 7.5+1.5) = (6.0, 9.0)

Answer: 6.0 to 9.0

Final answer:

To fit 68% of women, the store owner should stock shoe sizes between 6 and 9.

Explanation:

To determine the range of shoe sizes that the store owner should order in order to fit 68% of women, we can use the 68-95-99.7 rule, which states that for a normal distribution, approximately 68% of the data falls within one standard deviation of the mean.

In this case, the mean shoe size is 7.5 and the standard deviation is 1.5. So, we can calculate the range by adding and subtracting one standard deviation from the mean:

Lower Bound = Mean - Standard Deviation

Upper Bound = Mean + Standard Deviation

Therefore, the owner should stock shoe sizes between 6 and 9 to fit 68% of women.

Imagine two lines intersect. How can the properties of linear pairs and vertical angles help to determine the angle measures created by the intersecting lines? Explain.

Answers

If you know the measure of one angle in a linear pair, you can find the measure of the other because the sum of the measure of the two angles is 180 degrees. If you know the measure of one angle in a pair of vertical angles, you can find the measure of the other because they are congruent.

Final answer:

Properties of vertical angles and linear pairs allow us to find unknown angles when two lines intersect by employing the facts that vertical angles are equal and linear pairs sum up to 180 degrees.

Explanation:

When two lines intersect, they form two pairs of vertical angles and two pairs of linear pairs. Vertical angles are opposite angles made by intersecting lines and are always equal. So, if one of the vertical angles is known, the opposite angle can be determined because it is congruent. Linear pairs are adjacent angles whose outer arms form a straight line. These linear pairs are supplementary, meaning their sum is 180 degrees. Therefore, if we know one angle of a linear pair, we can find the other by subtracting the known angle from 180 degrees. Understanding these properties allows us to solve for unknown angle measures around the intersection of two lines. For example, if one angle measure in a linear pair is given, we can find the measure of the adjacent angle. Knowing the measure of this adjacent angle, which is also a vertical angle, allows us to determine the measure of the angle vertical to it, as they are equal.

Assume that a procedure yields a binomial distribution with a trial repeated n times. Use the binomial probability formula to find the probability of x successes given the probability p of success on a single trial. Round to three decimal places. n = 4, x = 3, p =

Answers

Final answer:

To find the probability of x successes in a binomial distribution, use the binomial probability formula. Substituting the given values into the formula will yield the probability.

Explanation:

To find the probability of x successes in a binomial distribution with n trials and probability of success p, we use the binomial probability formula. The formula is:

P(x) = (nCx) * p^x * (1-p)^(n-x)

Using the given values n = 4, x = 3, and p = ..., we can substitute these values into the formula to calculate the probability.

For example, if p = 0.5, the probability is:

P(3) = (4C3) * 0.5^3 * (1-0.5)^(4-3) = 4 * 0.125 * 0.5 = 0.25

True or​ false: the mean of a normal distribution has no effect on its spread. explain your answer. choose the correct answer below.
a. false. the spread of a normal distribution is completely determined by its mean.
b. true. the spread of a normal distribution is completely determined by its standard deviation.
c. true. the spread of a normal distribution is completely determined by its median.
d. false. the spread of a normal distribution is determined by both its mean and standard deviation.

Answers

b. true. the spread of a normal distribution is completely determined by its standard deviation. A normal distribution is defined by 2 values, its mean and it's standard distribution. The standard distribution determines what the shape of the curve looks like. A small distribution causes the curve to be tall and skinny. A large distribution causes the curve to be short and fat. The overall shape is entirely determine by the standard deviation. The exact location of the peak is determined by the mean. So let's look at the options and see why they're right or wrong. a. false. the spread of a normal distribution is completely determined by its mean. * This is exactly wrong. The mean determines where the peak is, the shape is determined by the standard distribution. b. true. the spread of a normal distribution is completely determined by its standard deviation. * This is absolutely correct. c. true. the spread of a normal distribution is completely determined by its median. * Once again, it's swapping the meaning between mean and standard distribution. d. false. the spread of a normal distribution is determined by both its mean and standard deviation. * This is a bit of weasel wording here. But remember, the SHAPE is determined by the standard distribution while the location of the peak is determined by the mean.

If you sell 30 items at $200 a piece and your commission rate is 20%, how much commission do you earn

Answers

1200 dollars. have a nice day and I hope that you ace that test!

Answer:

$1200 a

Step-by-step explanation:

You sell 30 items at $200 a piece and your commission rate is 20%

Price of 30 items = 30 × 200 = $6,000

Your commission = 20% × 6,000

                             = [tex]\frac{20}{100}[/tex] × 6,000

                             = 0.20 × 6,000

                             = $1200

You earn $1200 as commission.

Translate to an algebraic expression
34 more than q

Answers

34+q

The "more than" represents a plus or addition sign.

7.5% of what number is 12?

Answers

First, let's create an equation for this problem. Let x repersent the unknown number. 
[tex] \frac{7.5}{100} [/tex] =[tex] \frac{12}{x} [/tex]

Next, you would cross multiply. 
7.5x = 1,200

The last step would be to isolate the x. To do this, you would divide both sides by 7.5. 
x = 160

12 is 7.5% of 160. 

I hope this helps!

Convert 0.5% to a decimal. 0.5 0.05 0.005 5.0

Answers

your answer is 0.5%/100%=0.005

Answer:

the answer is o.oo5

Step-by-step explanation:


Which angles are corresponding angles?

Answers

its ONL and PQS
theyre congruent
pretty sure it is onl and pqs
sorry if i am wrong

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