Answer:
0.32 mL
Step-by-step explanation:
d = m/v
v = m/d
v = 4.0 g ÷ 12.5 g/mL
g ÷ g cancels out the unit g
v = 0.32 mL
A wholesaler carries 6,600 different items in their store. In a normal week, demand occurs for 4,800 of these items. Of those 4,800 items, 250 are not available for the entire week and another 270 items are available for only part of the week What is the wholesaler's in-stock probability during a normal week? Note: Round your answer as a percentage rounded to 1 decimal place.
Rounded to 1 decimal place, the wholesaler's in-stock probability during a normal week is approximately 89.2%.
To calculate the wholesaler's in-stock probability during a normal week, we need to consider the number of items that are available for the entire week and divide it by the total demand.
Total demand = 4,800 items
Items not available for the entire week = 250 items
Items available for only part of the week = 270 items
Therefore, the number of items available for the entire week can be calculated as follows:
Items available for the entire week = Total demand - Items not available for the entire week - Items available for only part of the week
= 4,800 - 250 - 270
= 4,280 items
The in-stock probability can be calculated by dividing the number of items available for the entire week by the total demand and then multiplying by 100 to convert it to a percentage:
In-stock probability = (Items available for the entire week / Total demand) * 100
= (4,280 / 4,800) * 100
= 89.1666...
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PLEASE ASPA HELP PLEASE ASAP ASAP
Answer:
B - y = 3x - 2
Step-by-step explanation:
The equation is y = mx + b
Where m is the slope of the line or rise over run
The slope is 3
Where b is the y intercept of the line
The y - intercept is -2
Answer:
B. y=3x-2
Step-by-step explanation:
We see that the graphs pass through the points (0,-2) ,(2,4) and (1,1)
Hence, we must find an equation of which both are a common solution..
Here in equation B,
by substituting x=0,2,1 and y=-2,4,1 respectively..
we get, that these values satisfy the solution... Indicating that (y=3x-2) is the equation of the graph
factor the following expressions by grouping
x6 -4x5 + 6x4 - 24x3
Answer:
x^3(x−4)(x^2+6)
Step-by-step explanation:
If this helps may i plz have brianliest :)
The graph of the function f(x) is shown below.
On a coordinate plane, a curved line with a minimum value of (0.6, 2.5) and a maximum value of (negative 1.2, 18.3), crosses the x-axis at (negative 1.8, 0) and crosses the y-axis at (0, 5).
What is x when f(x)=0?
-1.8
-1.2
0
5
Answer:
its A) -1.8
Step-by-step explanation:
i just did this on edge 2020
The ratios of the tomatoes to red apples is 2:5. If there are 20 tomatoes how many red apples are there
Answer: 50 red apples
Step-by-step explanation:
First divide 20 by 2 to know what you will multiply 5 by, so 20 divided by 2 equals 10. Now you multiply 5 by 10 to know how many red apples there are. 5 multiplied by 10 equals 50. So there are 20 tomatoes and 50 red apples.
Answer:
50.
Step-by-step explanation:
10 x 2 = 20 tomatoes
10 x 5 = 50 apples
So the answer to this problem would be 50 apples.
Hope this helps! <3
Evaluate f(x)=e2x−1+2 when x=3. Give an approximate answer rounded to three decimal places.
Answer:
f(3) ≈ 17.310
Step-by-step explanation:
e = 2.71828
Step 1: Define
f(x) = e2x - 1 + 2
x = 3
Step 2: Substitute and evaluate
f(3) = e2(3) - 1 + 2
f(3) = 6e + 1
f(3) = 16.3097 + 1
f(3) = 17.3097
f(3) ≈ 17.310
Think of a context, ideally related to a work environment you
are familiar with, where you would like to run an experiment. Keep
it simple, just a 2 X 2 full factorial design. Specify your two
Indepen
Let's consider a manufacturing company that is looking to improve the efficiency of their assembly line. The company wants to conduct an experiment to evaluate the impact of two independent variables on the production output. The variables are the type of equipment used and the level of employee training.
Experiment Design: The company decides to employ a 2x2 full factorial design for their experiment. They create four different conditions by manipulating the two independent variables:
Condition A: Standard equipment, untrained employees.
Condition B: Standard equipment, trained employees.
Condition C: Upgraded equipment, untrained employees.
Condition D: Upgraded equipment, trained employees.
The company randomly assigns a group of employees to each condition and measures the production output (e.g., number of units produced per hour) for a set period of time.
Using the 2x2 full factorial design, the company can systematically assess the effects of equipment type and employee training on the production output.
By comparing the results across the four conditions, they can determine the main effects of each independent variable as well as any interaction effects between the variables.
The experiment will provide valuable insights into the optimal combination of equipment type and employee training for maximizing production efficiency.
The company can use the findings to make data-driven decisions on equipment upgrades and training programs, leading to improved productivity and cost-effectiveness in their assembly line operations.
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In Riverview Middle School, 20% of the students participate in after-school clubs. For every 100 students, how many are in an after-school club?
2
5
20
80
Answer:
That other guy was a mean, the answer is 20
Step-by-step explanation:
Answer:
C
When you have a fraction as your answer, You must do what before being finished
Answer:
Simplify
Step-by-step explanation:
I'm not sure what the question is referring to but if it's an improper fraction you Simplify.
Let's take 9/3 you divide 9 and 3 and the fraction will be a whole number.
but if it's like 14/3 were counting in 3's like 3, 6, 9, 12, 15... 14 does not line up.
How many 3's fit into 14?
4 threes. So the fraction will now be 4 2/3.
To get the improper fraction again multiply the whole number and the bottom number of the fraction.
4 x 3 = 12.
Add the remaining number which is 2.
12 + 2 = 14.
Sorry if this isn't what you meant.
Which graph does NOT represent y as a function of x?
(Area of Polygons and Composite Figures MC)
An image of a rhombus is shown.
15.5 cm
16 cm
What is the area of the rhombus?
15.75 cm²
031.5 cm²
O 124 cm²
16 cm
O248 cm²
The area of the Rhombus is 124 cm².The correct answer is: 124 cm²
To find the area of a rhombus, we can use the formula:
Area = (diagonal1 * diagonal2) / 2
In the given image of the rhombus, we have the following measurements:
Diagonal1 = 15.5 cm
Diagonal2 = 16 cm
Plugging these values into the formula, we can calculate the area:
Area = (15.5 cm * 16 cm) / 2
= (248 cm²) / 2
= 124 cm²
Therefore, the area of the rhombus is 124 cm².
The correct answer is: 124 cm²
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3 more than 7 times a number x is 47
Answer:
x = 44/7
Step-by-step explanation:
7x+3 = 47
Subtract 3 from each side
7x+3-3 = 47-3
7x = 44
Divide by 7
7x/7 = 44/7
x = 44/7
Which point approximates the solution to the
linear system graphed below?
-(0,-1)
-(1.25, 0.25)
-(0,1.5)
-(1.75, 0)
Answer: (1.25,0.25)
Step-by-step explanation:
Because I got it right.
The approximation the solution is (1.25, 0.25) option second (1.25, 0.25) is correct.
What is a straight line?A straight line is a combination of endless points joined on both sides of the point.
The slope 'm' of any straight line is given by:
[tex]\rm m =\dfrac{y_2-y_1}{x_2-x_1}[/tex]
We have given two straight lines shown in the coordinate plane.
As we can see both the lines intersect in the first quadrants.
Both the coordinate will be positive.
The approximation of the solution is (1.25, 0.25)
Thus, the approximation the solution is (1.25, 0.25) option second (1.25, 0.25) is correct.
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Translate the phrase into an algebraic expression.
“The product of c and 6”
Answer:
c x 6 or 6c
Step-by-step explanation:
Angie need to buy 140 candles for a party. Each package has 8 candles. How many packages should Angie buy?
Answer
17 is the answer
Step by step answer
Please help me plz27277
Answer:
The last one, d = 13/2
Step-by-step explanation:
First distribute.
Then add 14 on both sides
then subtract 2d on both sides
then divide 2 from both
then you get d= 13/2
It stays improper because thats what you do when solving these equations.
Please mark brainliest <3 !
A layer of water Ax m thick which lies x m above the bottom of the tank will be rectangular with length 8 m. Using similar triangles, we can see that it will have width x m. | 3 m + 3 i 3 m 3 8 m Step 2 The mass of the layer of water is approximately equal to its density (1000 kg/m3) times its approximate volume. m = Ax(1000) kg
the volume of water in the tank m = 1000 × 8A² = 8000A² kg
The given layer of water is rectangular in shape with a thickness of Ax m and 8m in length. So, the volume of water in the tank can be calculated using the formula;
V = l × w × h
Where; l = 8m, w = x m, and h = Ax m
Therefore; V = 8 × x × Ax = 8A² m³
The mass of water in the tank can be obtained using the formula;
m = density × volume
Therefore; m = 1000 × 8A² = 8000A² kg
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Last month, Ebony had 72 dollars in a checking account. The current balance is 126 dollars. What is the percent change in the account balance from last month to this month?
Answer:
43%
Step-by-step explanation:
Last month, 72.
This month, 126.
Last month, ebony had 72/126 in her account to what she has this month. 72/126 as a percentage.
Ratio:
72:126
X100
7,200:12,600
÷126
57.142:100
Ebony had approximately 57% of her cash in her account last month, compared to this month.
1. A 95% confidence interval for a population mean, µ, is given as (18.985, 21.015). This confidence interval is based on a simple random sample of 36 observations. Calculate the sample mean and standard deviation. Assume that all conditions necessary for inference are satisfied. Use the t-distribution in any calculations.
2. A 90% confidence interval for a population mean is (65, 77). The population distribution is approximately normal and the population standard deviation is unknown. This confidence interval is based on a simple random sample of 25 observations. Calculate the sample mean, the margin of error, and the sample standard deviation.
1. The sample mean is 20 and the sample standard deviation is 0.254. 2. The sample mean is 71, the margin of error is 3.520, and the sample standard deviation is 2.056.
1. The sample mean ([tex]\bar x[/tex]) can be calculated as the midpoint of the confidence interval:
[tex]\bar x[/tex] = (18.985 + 21.015) / 2 = 20
The standard deviation (s) can be estimated using the formula for the margin of error:
Margin of error = (Upper limit - Lower limit) / (2 * t)
Since the confidence interval is based on a t-distribution, we need the critical value of t for a 95% confidence level with 35 degrees of freedom (36 - 1):
t = 2.030
Substituting the values into the formula:
Margin of error = (21.015 - 18.985) / (2 * 2.030) = 0.515
The standard deviation can be estimated by dividing the margin of error by the t-value:
s = Margin of error / t = 0.515 / 2.030 = 0.254
Therefore, the sample mean is 20 and the sample standard deviation is 0.254.
2. The sample mean ([tex]\bar x[/tex]) can be calculated as the midpoint of the confidence interval:
[tex]\bar x[/tex] = (65 + 77) / 2 = 71
To calculate the margin of error, we need to find the critical value of t for a 90% confidence level with 24 degrees of freedom (25 - 1):
t = 1.711
The margin of error can be calculated using the formula:
Margin of error = (Upper limit - Lower limit) / (2 * t) = (77 - 65) / (2 * 1.711) = 3.520
The sample standard deviation (s) can be estimated by dividing the margin of error by the critical value of t:
s = Margin of error / t = 3.520 / 1.711 = 2.056
Therefore, the sample mean is 71, the margin of error is 3.520, and the sample standard deviation is 2.056.
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9. A baseball player hits a baseball into the air
with an initial velocity of 100 feet per second.
The equation h = -16t² + 100t+ 3 gives the
height of the ball after t seconds.
At what time will the baseball reach its
maximum height?
Answer:
3.125 seconds.
Step-by-step explanation:
The equation h = -16t² + 100t+ 3 gives the height of the ball after t seconds.
The maximum height is reached when the velocity is zero.
The velocity is given by v = 100t - 32t².
Setting v = 0,
we get
100t - 32t² = 0.
Factoring out t,
we get
t(100 - 32t) = 0.
Solving for t,
we get
t = 0 or t = 100/32 = 3.125 seconds.
Therefore, the baseball will reach its maximum height after 3.125 seconds.
What is the coefficient of determination for this data set?
Years after 2000 −20 −12 −9 −4 0 6 8 9 12
Federal minimum wage ($) 3.10 3.35 3.80 4.25 5.15 5.15 5.85 6.55 7.25
Data form U.S. Department of Labor 2012
0.02
0.91
0.95
5.1
What is the equation of the least squares regression line?
Table of variable x and variable y
y=16.9x+0.26
y=0.26x+16.9
y=0.92x+16.9
y=0.26x−16.9
Answer:
Step-by-step explanation:
A circular pie with a diameter of 18 inches is cut into 12 equal slices. What is the approximate area of one slice?
Answer:
The approximate area of one slice is 21.21 in².
Step-by-step explanation:
Area = πr²
d = 18 in
r = 18 in/2
r = 9 inches
Solve for the area of the pie
A = π(9in)²
A = 81π in²
OR
A = 254.47 in²
Since the pie is cut into 12 slices, we will divide the area by 12
A = 81π in²/12
A = 6.75π in² ---in terms of pi
OR
A = 254.47 in²
A = 21.21 in²
Directions: Find the coordinate of the midpoint of the segment given its endpoint.
6. A(5,8) and B(-1,-4)
HELP
Question 1 of 6
Read the problem below and find the solution. Draw a diagram on your own
paper to help solve it.
If your teacher tells you to do questions 28 through 41 in your math book for
homework, how many questions is that?
(Do not include units in your answer.)
There are 14 questions in total that need to be done for homework.
If the teacher assigns questions 28 through 41 in the math book for homework, we can find the number of questions by subtracting the starting question number from the ending question number and adding 1.
Number of questions = (ending question number) - (starting question number) + 1
In this case, the starting question number is 28 and the ending question number is 41.
Number of questions = 41 - 28 + 1 = 14
Therefore, there are 14 questions in total that need to be done for homework.
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What is the length of SV?
Answer:
31
Step-by-step explanation:
ST + TU+ UV = SV
13+6+ 2x-18 = 4x-29
Combine like terms
2x+1 = 4x-29
Subtract 2x from each side
2x+1-2x = 4x-29-2x
1 = 2x-29
Add 29 from each side
1+29 = 2x-29+29
30 =2x
Divide each side by 2
30/2 = 2x/2
15 =x
We want to find the length of SV
SV = 4x-29
= 4*15-29
= 60-29
= 31
Which represents the inverse of the function f(x)=4x?
•h(x)=x+4
•h(x)=x-4
•h(x)=3/4x
•h(x)=1/4x
Part D
? Question
Select all the expressions that result in a product that is a rational number.
The expressions that result in a rational number are given as follows:
4/3 x 12/3.32/4 x 15/4.What are rational and irrational numbers?Rational numbers are defined as numbers that can be represented by a ratio of two integers, which is in fact a fraction, and examples are numbers that have no decimal parts, or numbers in which the decimal parts are terminating or repeating. Examples are integers, fractions and mixed numbers.Irrational numbers are defined as numbers that cannot be represented by a ratio of two integers, meaning that they cannot be represented by fractions. They are non-terminating and non-repeating decimals, such as non-exact square roots.The square roots of 3 and of 11 are not exact, hence the expressions with these terms are not rational, and the rational numbers are given as follows:
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Joanna is driving from Orlando, FL to Dallas, TX. The distance between Orlando and Dallas is 1,084 miles. Joanna's average rate of speed is 65 mph. The following function represents how many miles Joanna has left on her trip after t hours, F(t)=1084-65t.
After how many hours of driving will Joanna be 304 miles from Dallas?
_______ hours.
*Hint, the f(t) is given in the word problems as 304 miles. Plug the 304 in place of the f(t) and solve for t using inverse operations.
Answer:
12 hours
Step-by-step explanation:
We are given the function [ F(t) = 1084 - 65t ]
t represents the time so we are going to solve for f(t).
Substitute and solve
304 = 1084 - 65t
~Subtract 1084 to both sides
-780 = -65t
~Divide -65 to both sides
12 = t
Best of Luck!
The expression x+y+10+2y simplifies to x + 2y2 + 10
true or false for 100 points
Answer:
false. hope that helped
Step-by-step explanation:
Answer:
false
Step-by-step explanation:
x+y+10+2y=7000
find two numebrs if their sum is -7 and their difference is 14
Answer: First number = 3.5 , Second number = - 10.5
Step-by-step explanation:
Let two numbers be a and b
According to the question -
Sum = - 7 ...... ( 1 )
Difference = 14 ...... ( 2 )
so :- a + b = - 7 and a - b = 14
Now add both equations
( a + b ) + ( a - b ) = - 7 + 14
2a = 7
a = 7 / 2
a = 3.5
Now put value of a in equation ( 1 ) .........
a + b = - 7
3.5 + b = - 7
b = - 7 - 3.5
b = - 10.5
so first number = 3.5
second number = - 10.5
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