Answer: Oki should make 0 bags of her recipe, and Stephen should make 30 bags of his recipe.
For vertex (15,15):
3x + 4y = 120 --> 3(15) + 4(15) = 120 --> x = 15
3x + 2y = 90 --> 3(15) + 2y = 90 -->
Step-by-step explanation: A. To find the maximum number of bags of trail mix that Oki and Stephen can make together, we can use a system of inequalities to represent the constraints:
Let "x" be the number of bags of trail mix that Oki makes and "y" be the number of bags that Stephen makes. Then we have:
3x + 4y ≤ 120 (constraint on the number of cups of nuts)
3x + 2y ≤ 90 (constraint on the number of cups of dried fruit)
x ≥ 0 (non-negative constraint for Oki's bags)
y ≥ 0 (non-negative constraint for Stephen's bags)
B. To graph the feasible region, we can start by graphing the two constraint equations as lines:
3x + 4y = 120 (line A)
3x + 2y = 90 (line B)
We can find the x and y intercepts for each line:
For line A:
When x = 0, 4y = 120, y = 30 (y-intercept)
When y = 0, 3x = 120, x = 40 (x-intercept)
For line B:
When x = 0, 2y = 90, y = 45 (y-intercept)
When y = 0, 3x = 90, x = 30 (x-intercept)
Next, we can shade the region that satisfies all of the constraints. This region is below line A and to the left of line B, and is bounded by the x and y axes.
We can find the vertices of the feasible region by finding the intersection points of the two lines and the axes. These vertices are (0,0), (0,30), (15,15), and (30,0).
C. To find the maximum number of bags of trail mix that Oki and Stephen can make together, we need to evaluate the objective function at each vertex of the feasible region, and choose the vertex that maximizes the objective function.
The objective function is the total number of bags of trail mix:
z = x + y
Evaluating at the vertices:
Vertex (0,0): z = 0 + 0 = 0
Vertex (0,30): z = 0 + 30 = 30
Vertex (15,15): z = 15 + 15 = 30
Vertex (30,0): z = 30 + 0 = 30
The maximum value of the objective function occurs at vertices (0,30) and (15,15), where z = 30 bags of trail mix.
To determine how many of each type of recipe to make, we can substitute each vertex into the two constraint equations to find the corresponding values of x and y.
For vertex (0,30):
3x + 4y = 120 --> 3x + 4(30) = 120 --> 3x = -90 --> x = -30
3x + 2y = 90 --> 3(-30) + 2(30) = 90 --> y = 15
Therefore, Oki should make 0 bags of her recipe, and Stephen should make 30 bags of his recipe.
For vertex (15,15):
3x + 4y = 120 --> 3(15) + 4(15) = 120 --> x = 15
3x + 2y = 90 --> 3(15) + 2y = 90 -->
Can you help me with this please. I will mark brainlist
Answer:
E is \(\frac{1}{2\\}\) F is 6\(\frac{1}{4}\) and G is \(1\frac{1}{2}\)
Step-by-step explanation:
A quadratic equation, y = ax^2 - 6x + 10, has exactly one real root. Calculate the value of a.
Answer:
a = 0.9
Step-by-step explanation:
For the quadratic equation \(\boxed{ax^2 + bx + c = 0}\) to have exactly one real root, the value of its discriminant, \(\boxed{b^2 - 4ac}\), must be zero.
For the given equation:
\(y = ax^2 - 6x + 10\),
• a = a
• b = -6
• c = 10.
Substituting these values into the formula for discriminant, we get:
\((-6)^2 - 4(a)(10) = 0\)
⇒ \(36 - 40a = 0\)
⇒ \(36 = 40a\)
⇒ \(a = \frac{36}{40}\)
⇒ \(a = \bf 0.9\)
Therefore the value of a is 0.9 when the given quadratic has exactly one root.
This container is composed of a right circular cylinder and a right circular cone. The diameter is 20, the height of the cylinder is 9, and the slant height of the cone is 16. Find the surface area
Answer:
Total -CSA= 1068.28Step-by-step explanation:
This problem is on the mensuration of solids, a cylinder and a cone combined (a frustum)
We are required to solve for the total curve surface areas both solids
hence the curve surface area (henceforth CSA) of a cylinder is given as
\(CSA-cylinder=2\pi rh\)
\(CSA-cone= \pi rl\)
\(Total CSA= 2\pi rh+\pi rl\)
Given data
diameter d= 20
radius = d/2= 20/2= 10
height of cylinder h= 9
slant height of cone l= 16
substituting our data into the expression we have
\(Total -CSA= 2*\pi *10*9+\pi *10*16\\\\Total -CSA= 565.56+502.72\\\Total -CSA= 1068.28\)
Let \(f(x)=2(3)^x^+^1\). Evalulate \(f(2)\) without using a calculator. Do not include \(f(2)\) in your answer.
\(f(x)=2(3)^{x+1} \\\\[-0.35em] ~\dotfill\\\\ f(2)=2(3)^{(2)+1}\implies f(2)=2(3)^3\implies f(2)=2(3^3) \\\\\\ f(2)=2(27)\implies f(2)=54\)
What is the solution to the system of equations?
3x + 2y = 15
y - 4x = 2
(a) Use the substitution method to find the solution.
(b) What do you know about the two lines in this system of equations (Hint: Do
parallel? Are they the same line?)
they intersect? Are they
iswer:
Answer:
3x+2y=15 : y=-3/2x+15/2
y-4x=2 : y=4x+2
they are not parallel lines
Step-by-step explanation:
formula:
y=mx+b
Drag the tiles to the correct boxes to complete the pairs. Match each function to its domain and range.
Matching of the functions domain and range are as follows:
f(x) = 4-4x ;
Domain:{0,1,3,5,6}
Range;{-20,-16,-8,0,4}
f(x) = 5x - 3
Domain:{-2,-1,0,3,4}
Range:{-13,-8,-3,12,4}
f(x) = -10x
Domain:{-4,-2,0,2,4}
Range:{-40,-20,0,20,40}
f(x) = (3/x) + 1.5
Domain:{-3,-2,-1,2,6}
Range:{0.5,0,-1.5,3,2}.
How to find the domain and range of the functions?1) The function f(x) = 4 - 4x
Take Domain:{0,1,3,5,6}
If, we take x=0 and put in the function then we get
f(x)=4-0
f(x)=4
put x=1
f(x) = 4 - 4 =0
put x=3 then we get
f(x)=4-12=--8
put x=5 them we get
f(x)=4-20=-16
put x=6 then we get
f(x)=4-24=-20
Therefore ,range:[-20,-16,-8,0,4}
2) The function f(x)=5x-3
Take domain{-2,-1,0,3,4}
Now, put x=-2 in the function then we get
f(x) = -13
now put x=-1 then we get
f(x)=-5-3=-8
Put x=0 then we get
f(x)=0-3=-3
Put x=3 then we get
f(x)=15-3=12
Put x=4 then we get
f(x)=20-3=17
Therefore , range:{-13,-8,-3,12,17}
3) The function f(x)=-10x
Take domain:{-4,-2,0,2,4}
Put x=-4 in the function then we get
f(x)=40
Put x= -2 then we get
f(x)=20
Put x=0 then we get
f(x)=0
Put x=2 then we get
f(x)=-20
Put x=4 then we get
f(x)=-40
Therefore , range :{-40,-20,0,20,40}
4) The function f(x)= (3/x) + 1.5
Take domain:{-3,-2,-1,2,6}
Put x= -3 in the taken function then we get
f(x)=-1+1.5=0.5
put x=-2 then we get
f(x)= -1.5+1.5=0
Put x=-1 then we get
f(x)=-3+1.5=-1.5
Put x= 2 then we get
f(x)=1.5+1.5=3
Put x= 6 then we get
f(x)=0.5+1.5=2
Therefore, range : {0.5,0,-1.5,3,2}.
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Fill in the table 'using this function rule.
y = -5x+2
x
-1
0
1
2
y
0
0
0
X
4
S
Answer:
7, 2, -3, -8
Step-by-step explanation:
y = -5x + 2 Substitute in -1 for x
y = -5(-1) + 2
y = 5 + 2
y = 7
y = -5x + 2 Substitute in 0 for x
y = -5(0) + 2
y = 0 + 2
y = 2
y = -5 + 2 substitutes in 1 for x
y = -5(1) + 2
y = -5 + 2
y = -3
y = -5x + 2 Substitute in 2 for x
y = -5(2) + 2
y = -10 + 2
y = -8
Helping in the name of Jesus.
What is four fifths divided by two thirds?
Answer:6/5 or 1.2
Step-by-step explanation:
4/5 divided by 2/3
=4/5 *3/2
=12/10
=6/5
=1.2
Dot Plots and Histograms-Quiz-Level F
Briana is learning to play the guitar. At the end of each week, she records the number of days
she practiced. Her data is shown below.
2, 6, 4, 3, 0, 3, 4, 6, 5, 0, 4, 5, 7, 5, 6, 4, 5, 6
OFReady
Which dot plot displays the data distribution?
1
2
2
3
4
Number of Days
3
Number of Days
:
5
6
7
567
0
+
0
1
2
3
4
Number of Days
2
5
...
3
4
Number of Days
5 6
..
The dot plot that displays the data distribution is the dot plot on the lower left corner of the options with
Two dots at 0
One dot at 2
Two dots at 3
Four dots each at 4, 5, and 6
One dot at 7
A dot plot is a graphical presentation of data, on a number line, with the number of points of dot representing the frequency of data at each value on the number line.
The data can be presented as follows;
2, 6, 4, 3, 0, 3, 4, 6, 5, 0, 4, 5, 7, 5, 6, 4, 5, 6
The above data can be arranged in increasing order as follows; 0, 0, 2, 3, 3, 4, 4, 4, 4, 5, 5, 5, 5, 6, 6, 6, 6, 7
Therefore, the frequencies of 0s is two, the frequencies of 4s, 5s and 6s are four each, and the frequency of 7 is one, which corresponds to the third graph or the graph in the bottom left corner of the figure.
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Scarlett stopped at a campground along the Appalachian trail. The campground had a 1
2
acre area for tents, divided into 6 equal campsites. Scarlett picked one of the sections to pitch her tent.
Which expression would give you the size of Scarlett’s campsite? Check all that apply.
One-half divided by 6
StartFraction 6 Over 7 EndFraction divided by 6
6 divided by one-half
StartFraction 6 Over 12 EndFraction divided by 6
6 divided by StartFraction 3 Over 6 EndFraction
Answer:
1/2 divided by 6
6/12 divided by 6
Step-by-step explanation:
Answer:
a - d
Step-by-step explanation:
Need help with the provided questions
Probability and Statistics Question
we want to find the number of hours (or rather days) until only 4.25% of the drives fail.
that means for an exponential distribution we have
P(X < x) = 1 - e^(-Lx)
L = 1/mean = 1/12500
and we need to find x, so that P(X <x) = 0.0425 (that is 4.25% converted into a probability).
so, we get
0.0425 = 1 - e^(-x/12500)
0.0425 - 1 = -e^(-x/12500)
-0.9575 = -e^(-x/12500)
0.9575 = e^(‐x/12500)
ln(0.9575) = -x/12500
-x = ln(0.9575)×12500
x = -ln(0.9575)×12500 = - -0.043429558...×12500 =
= 0.043429558...×12500 = 542.8694741... hours
after 542.8694741... hours = 22.61956142... days
it is expected that 4.25% of the hard drives fail.
you left out to what decimal this should be rounded. and if you need hours or days. in case of doubt use hours (as the only other time information is given in hours).
please round yourself as you need.
Consider a tech company that wants to offer free breakfast to its employees if their confidence interval shows it will decrease the
proportion of employees who skip breakfast.
Each interval shows the difference in proportion of p₁ - P2 where p₁ represents the employees who skip breakfast when free
breakfast is offered and p2 represents the employees who skip breakfast when free breakfast is not offered. Determine if there is
enough evidence to suggest that offering free breakfast results in an increase in the proportion of employees who don't skip
breakfast.
(-0.44,-0.16)
Yes, we can be confident that employees will skip breakfast less when free breakfast is offered than when it's not.
Or
No, our confidence interval shows that there could be no difference in the proportion of employees who skip breakfast.
(-0.25, 0.05)
Yes, we can be confident that employees will skip breakfast less when free breakfast is offered than when it's not.
Or
No, our confidence interval shows that there could be no difference in the proportion of employees who skip breakfast.
(-0.23, 0.15)
Yes, we can be confident that employees will skip breakfast less when free breakfast is offered than when it's not.
Or
No, our confidence interval shows that there could be no difference in the proportion of employees who skip breakfast.
Answer:
Step-by-step explanation:
In this scenario, the confidence interval represents the possible range of differences in the proportion of employees who skip breakfast when free breakfast is offered and when it's not. A confidence interval that does not include zero indicates that there is statistically significant evidence to suggest a difference in proportions between these two groups.
Therefore, for the first interval (-0.44,-0.16), since it does not include zero, we can be confident that offering free breakfast results in a decrease in the proportion of employees who skip breakfast.
For the second interval (-0.25, 0.05), since it contains zero, we cannot be confident that there is a difference in the proportion of employees who skip breakfast between the two groups.
Similarly, for the third interval (-0.23, 0.15), since it contains zero, we cannot be confident that there is a difference in the proportion of employees who skip breakfast between the two groups.
So, the correct answer is:
For the interval (-0.44,-0.16), we can be confident that employees will skip breakfast less when free breakfast is offered than when it's not.
For the intervals (-0.25, 0.05) and (-0.23, 0.15), our confidence interval shows that there could be no difference in the proportion of employees who skip breakfast.
A falcon can fly 322 km/hour. How many meters can it fly?
To solve the exercise, we can use a rule of three:
\(\begin{gathered} 1\operatorname{km}\rightarrow1000m \\ 322\operatorname{km}\rightarrow x \end{gathered}\)\(\begin{gathered} x=\frac{322\operatorname{km}\cdot1000m}{1\operatorname{km}} \\ x=\frac{322\cdot1000m}{1} \\ x=322\cdot1000m \\ x=322,000m \end{gathered}\)Therefore, the falcon can fly 322,000m/hour or 322,000 meters per hour.
Which expression is equivalent to 8x - 12y + 32
Answer:
C
-16(0.5x-0.75y+2)
Step-by-step explanation:
I got it right on edge 2022 Hope it helps <3
In the diagram below of triangle BCD, E is the midpoint of BD and F is the midpoint of CD. If EF = 43-4x, and BC = 32-2x, what is the measure of EF?
The measure of the length EF of the triangle is; 21
How to solve similar triangles?We are given the the triangle BCD and we are told that;
E is the midpoint of BD.
F is the midpoint of CD
Now, since we have those midpoints, it means that by the concept of similar triangles, that;
DF/DC = EF/BC
Since F is the midpoint of DC, then it means that;
2DF = DC
We are given;
EF = 43 - 4x, and BC = 32 - 2x
Thus, we now have;
DF/(2DF) = (43 - 4x)/(32 - 2x)
1/2 = (43 - 4x)/(32 - 2x)
Cross multiply to get;
32 - 2x = 43 - 4x
4x - 2x = 43 - 32
2x = 11
x = 11/2
x = 5.5
Thus;
EF = 43 - 4(5.5)
EF = 43 - 22
EF = 21
Thus, we conclude that the side length EF is 21.
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If the sum of a number and eight is doubled the result is five less than the number find the number
Answer: -21
Step-by-step explanation:
Let the number be x.
Then, this means 2(x+8)+5=x.
2x+16+5=x [distributive property]2x+21=x [combine like terms]x+21=0 [subtract x from both sides]x= - 21 [subtract 21 from both sides]Which side lengths form a right triangle?
Choose all answers that apply:
A √2, √3, √4
B √8,3, √17
C 5,6,8
Answer:
B. √8, 3 and √17 form a right triangleExplanation:
√8², 3² and √17² satisfy a²+b²=c²
√8²+3² = √17²
8+9=17
Emma and Lauren read a total of 47 books. Emma reads 17 more books than Lauren. Enter the number of books lauren read
Answer:30
Step-by-step explanation:47-17 = 30
Find the volume of each solid. Round to the nearest tenth if necessary.. PLEASE HELP I WILL MAKE YOU BRAINLIEST IF YOU ANSWER THE CORRECT ANSWER AND GIVE A DESCRIPTION!!!
Answer:
half of 20 is 1010
Step-by-step explanation:
half of 20 is 1010 is your new radius so10^2 = 100100 x 3.14 = 314Now we multiply by the height:314 x 11 = 3,454 cm^3
Find the length of FH.
12
11
F
FH
Answer:
23
Step-by-step explanation:
FH=FG+GH
FH=11+12
FH=23
For the third week of April, Patricia Thomas worked 53 hours. Patricia earns $11.90 an hour. Her employer pays overtime for all hours worked in excess of 40
hours per week and pays 1.5 times the hourly rate for overtime hours.
Calculate the following for the third week of April (round your responses to the nearest cent if necessary):
1. Regular pay amount
2. Overtime pay
3. Gross pay
Given statement solution is :- For the third week of April, Patricia's:
Regular pay amount is $476.
Overtime pay is $231.45.
Gross pay is $707.45.
To calculate Patricia's pay for the third week of April, we'll need to determine her regular pay, overtime pay, and gross pay.
Regular Pay:
Patricia worked 53 hours, but only 40 hours are considered regular hours. Therefore, the regular pay is calculated as follows:
Regular Pay = Regular Hours x Hourly Rate
Regular Pay = 40 hours x $11.90/hour
Regular Pay = $476
Overtime Pay:
Since Patricia worked 53 hours in total and 40 of those are regular hours, the remaining 13 hours are considered overtime hours. Overtime pay is calculated by multiplying the overtime hours by 1.5 times the hourly rate.
Overtime Pay = Overtime Hours x (Hourly Rate x 1.5)
Overtime Pay = 13 hours x ($11.90/hour x 1.5)
Overtime Pay = 13 hours x $17.85/hour
Overtime Pay = $231.45
Gross Pay:
Gross Pay is the sum of Regular Pay and Overtime Pay.
Gross Pay = Regular Pay + Overtime Pay
Gross Pay = $476 + $231.45
Gross Pay = $707.45
Therefore, for the third week of April, Patricia's:
Regular pay amount is $476.
Overtime pay is $231.45.
Gross pay is $707.45.
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Installation of certain hardware takes a random amount of time. The installation times form a normally distributed distribution with a standard deviation 5 minutes and a mean of 45 minutes. A computer technician installs the hardware on 31 different computers. You are interested to find the probability that the mean installation time for the 31 computers is less than 43 minutes.
Select the most appropriate item that pertains to the problem.
a. z=-0.4
b. none of these
c. z=-2.23
d. z=2.23
And,
What is the probability that the mean installation time for 31 computers is less than 43 minutes?
a. 0.400
b. 0.345
c. none of these
d. 0.0129
e. 0.987
The most appropriate values are:
z = - 2.23
The corresponding probability is : 0.01297
Mean, μ = 45
Standard deviation, σ = 5
Sample size, n = 31
The standard score, Z ; Since distribution is normal is obtained thus;
Z= (x - μ) ÷ (σ/√n)
For, x = 43
Z = (43 - 45) ÷ (5/√31)
Z = - 2.227
The probability :
Using the standard normal distribution table:
P(Z < - 2.227)
P = 0.01297
Hence, Z = - 2.23
P(x ≤ 43) = 0.0129
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Is (0, 3) a solution to the equation y=x+3? (1 point)
O yes
Ono
Answer: Yes, it is.
Step-by-step explanation:
given: x is 0 and y is 3. Plug in the equation and solve
y=x+3
3=0+3
3=3
Yes, it is a solution
The velocity function of a car is given by v(t) = -3t2 + 18t + 9 m/s. Find the acceleration of the car three seconds before it comes to a stop.
A.
a = -6.46 m/s²
B.
a = -2.76 m/s²
C.
a = -0.46 m/s²
D.
a = 2.76 m/s²
Answer: In photo below
You're Welcome :)
The acceleration of the car three seconds before it comes to a stop is -2.76 m/s² (Letter B).
Derivative
Derivative indicates the rate of change of a function with respect to a variable. Thus, when you derivate the position function, you find the velocity function. And, when you derivate the velocity function, you find the acceleration function.
In other words, the velocity function represents the first derivative of the position, meanwhile, the acceleration function represents the second derivative of the position.
For derivating an equation, you should apply the rule: \((\frac{d}{dx} ) (x^n ) = nx^{n-1}\). Example: x²= 2x
The car stops when the velocity is equal to zero. Thus, v(t) = -3t² + 18t + 9 =0. Therefore, you should solve this quadratic function:
Δ=b²-4ac=\(18^2-4\left(-3\right)\cdot \:9=324+12*9=324+108=432\)
\(t_{1,\:2}=\frac{-18\pm \sqrt{432}}{2\left(-3\right)}\\ \\ t_{1,\:2}=\frac{-18\pm \sqrt{432}}{-6}\)
\(t_1=\frac{-18+12\sqrt{3}}{-6}=3-2\sqrt{3}\)
\(t_2=\frac{-18-12\sqrt{3}}{-6}=3+2\sqrt{3}\)
Like t is a positive number, you should use \(t_2\). Thus, the value of t that you should apply to find the acceleration of the car three seconds before it comes to a stop is \(2\sqrt{3}\).
The acceleration can be found from the derivative of the velocity function. See below.
a(t)= -6t+18 , for t=\(2\sqrt{3}\)
a(t)= -6*\(2\sqrt{3}\)t+18
a(t)= \(-12\sqrt{3}\)t+18
a(t)=-2.76
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Find the measure of c in the figure below using the side lengths given
Answer:
Step-by-step explanation:
take angle C as reference angle
using tan rule
tan C=oppposite/adjacent
tan C=6/12
tan C=0.5
C=\(tan^{-1}\)0.5
C=26.6 degree
The respiratory rate (in breaths per minute) in newborns varies according to a distribution that is approximately Normal, with a mean of 50 and a standard deviation of 5. Use Excel to answer this question: What is the probability that a randomly chosen newborn has a respiratory rate between 40 and 55 breaths per minute
Answer:
\(P(40<X<55)\)
And since we need to use excel the code in order to find the answer would be:
=NORM.DIST(55,50,5,TRUE)-NORM.DIST(40,50,5,TRUE)
And the answer would be:
\(P(40<X<55)=0.819\)
Step-by-step explanation:
Let X the random variable that represent the respiratory rate of a population, and for this case we know the distribution for X is given by:
\(X \sim N(50,5)\)
Where \(\mu=50\) and \(\sigma=5\)
We are interested on this probability
\(P(40<X<55)\)
And since we need to use excel the code in order to find the answer would be:
=NORM.DIST(55,50,5,TRUE)-NORM.DIST(40,50,5,TRUE)
And the answer would be:
\(P(40<X<55)=0.819\)
Please answer ASAP!
Which graph represents a bike traveling at a constant rate of
12 miles per hour?
Answer:
1st from the left
Step-by-step explanation:
Answer:First one from the left
Step-by-step explanation:
Taxes, lips, & Markups 2. An 18% markup is added to a dresser that was originally $250. How much will the dresser be sold for now?
Therefore, the dresser will now be sold for $295
What's 3/11 x 3 1/4 need help like right now
Answer:
3/11 x 3 1/4
= 3/11 * 7/4
= 12/77
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