Answer:
iuhiobh8ubp8
Step-by-step explanation:
Will mark the brainliest for this answer!!! Really struggling!
Answer:
5 gallons of the 10% fructose solution.
15 gallons of 20% fructose solution
Step-by-step explanation:
You basically have an equation
Some amount of 10% solutions and some amount of 20% are to be combined to get to 17.5
So we can label those two amounts x and y, x being 10% and y being 20%.
We know that x + y (in gallons) must be equal to 20 gallons, so we can do this
x+y = 20
y = 20-x.
Then we can multiply x by 10% = 0.1x, 20-x by 20% which makes 4-0.2x
Then we know that the end result must be 20 gallons of 17.5% so we can multiply those two to get 3.5
Then we can add all of our results.
0.1x + 4 - 0.2x = 3.5
Solve for x
-0.1x = -0.5
x = 5
Now we have what x is, so we now know that there was 5 gallons of the 10% fructose solution.
Then we know that y = 20 - x so y is equal to 20 - 5 which is 15.
So that means that 15 gallons of 20% fructose solution was used.
So the answer is
5 gallons of the 10% fructose solution.
15 gallons of 20% fructose solution.
Hope this helped.
what expression correctly uses absolute value to show the distance between -50 and 12?
Answer:
B. -50 + 12 = 38
HELP!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
the correct answer is marked (1/2)
Step-by-step explanation:
The average rate of change is the slope of the line between the two points at the ends of the interval.
m = (g(3) -g(-4))/(3 -(-4))
The values of the function we need are ...
g(3) = 5/(3-1) +2 = 2.5 +2 = 4.5
g(-4) = 5/(-4-1) +2 = -1 +2 = 1
So, the slope is ...
m = (4.5 -1)/7 = 3.5/7 = 1/2
The average rate of change is 1/2.
_____
On the attached graph, that value shows up as the coefficient of x in the equation of the line through the two points.
Use the formula [tex]C=\frac{5}{9}[/tex] ( F − 32 ) to write a formula for the temperature in degrees Fahrenheit F. Then calculate how many degrees Fahrenheit is 25 degrees Celsius.
Answer:
25 degrees Celsius=77 degrees Fahrenheit
Step-by-step explanation:
5 The cost of an adult's ticket into a theme park is $a.
The cost of a child's ticket into the same theme park is $c.
Write an expression for the total cost for each groun.
Answer:
Total Cost (in dollars) = a + c
Step-by-step explanation:
Algebra
When mathematics quantities are generalized into letters or variables, then we are dealing with algebra.
We are said the cost of an adult's ticket into a theme park is $a and a child's ticket costs $c. Since both quantities are unknown, we must treat them as variables and use the same logic procedure to solve the problem as if they were numbers.
The total cost for an adult and a child is the sum of both individual costs, thus
Total Cost (in dollars) = a + c
3/128 as a percentage
Answer:
2.34375%
Step-by-step explanation:
How many different ways can the letters of "barrette" be arranged?
Answer:
5040
Step-by-step explanation:
8!/(2!x2!x2!)
8 letters in the word / 2r's 2e's 2t's
The number of ways in which the letters can be arrange is 5,040 ways.
The given letters include;
BARRETTE
The numbers of the individual letters repeated include;
letter R = 2letter E = 2letter T = 2Total number of all the letters = 8
The number of ways in which the letters can be arrange will be determined using factorial method as shown below;
[tex]number \ of \ ways = \frac{8!}{2! \times 2! \times 2!} = \frac{40320}{8} = 5,040 \ ways[/tex]
Thus, the number of ways in which the letters can be arrange is 5,040 ways.
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Data was collected for 40 randomly selected trees growing in the median strip of a busy freeway. The height of each tree (in inches) was recorded. Data was recorded to the nearest whole inch. The data is summarized in the histogram below.
2 4 6 8 10 height (in) 10 15 20 25 30 35 40 45 50 Frequency
What is the maximum possible tree height for the data recorded for this histogram? Note: Each class contains its lower class boundary, but not its upper class boundary.
Minimum tree height = inches Maximum tree height = inches
answer:
minimum = 20 inches
maximum = 49 inches
Step-by-step explanation:
The height data in the question is
10 15 20 25 30 35 40 45 50.
From above we have the classes as:
10-14, 15-19, 20-24, 25-29, 30-34, 35-39, 40-44, 45-49,
The minimum tree height bus from the first class. While the maximum tree height is from the last class.
The first class is 10-14, so the minimum height = 10 inches
The last class is 45-49 so the maximum height inches = 49 inches.
The maximum tree height from the classes I have grouped is 49 inches since 49 is the upper limit from the last class.
The minimum tree height is 10 inches
find the value of the variable and the measure of each labeled angle.
Answer:
x = 25
Measure of each angle label is 42°
Step-by-step explanation:
(x + 17)° and (3x - 33)° are the expressions of the two vertical angles formed by the intersection of two straight lines. Vertical opposite angles are congruent. Therefore:
x + 17 = 3x - 33
Solve for x. Collect like terms
17 + 33 = 3x - x
50 = 2x
Divide both sides by 2
50/2 = 2x/2
25 = x
Measure of the two angles are:
x + 17 = 25 + 17 = 42° (substitution)
3x - 33 = 3(25) - 33 = 75 - 33 = 42°
What are the solutions of 2x2 + 16x + 50 = 0?
−4 ± i
−4 ± 3i
−2 ± 4i
−3 ± 4i
Answer:
-3 plus or minus 4i (the last one)
Step-by-step explanation:
(7 3 points) Consider a packet stream whereby packets arrive according to a Poisson process with rate 10 packets/s. If the interarrival time between any two successive packets is less than the transmission time of the first, the two packets are said to collide. Find the probability that a packet collides with either its predecessor or its successor assuming that all packets have a transmission time of 20 ms. How will your answer change if the packets have independent, exponentially distributed transmission times
Answer:
The answer is below
Step-by-step explanation:
Let t1 be the arrival times between a packet and its immediate predecessor and t2 be the arrival times between a packet and successor. Let L1 be the lengths of the predecessor packet and L2 the length of the packet itself. Therefore:
P(no collision between packet and predecessor or successor) = [tex]P(t_1>L_1)P(t_2>L_2)[/tex]
If P1 is the probability that there is no collision with preceding packets, hence:
P(no collision with other packets) = [tex]P_1*P(t_2>L_2)[/tex]
λ = 10 packets/s, fixed packet length = 20 ms = 0.02 s. Hence:
[tex]P(t_1>L_1)=P(t_2>L_2)=e^{-\lambda *0.02}=e^{-10*0.02}=e^{-0.2}[/tex]
P(no collision between packet and predecessor or successor) = [tex]P(t_1>L_1)P(t_2>L_2)[/tex] = [tex]e^{-0.2}*e^{-0.2}=e^{-0.4}[/tex]
P(packet collides with either its predecessor or its successor) = 1 - P(no collision between packet and predecessor or successor) = [tex]1-e^{-0.4}=0.33[/tex]
If the transmission times change, the answer would also change.
which statement is true about the diagram shown?
Answer:
I believe A is the correct answer.
Step-by-step explanation:
Please help. How do I figure out the answer to this problem?
Two Angles are supplementary the larger angle is 78 degrees larger than the smaller angle find the measure of both angles.
Answer:
51,129
Step-by-step explanation:
x+x+78=180(supplementary angles are 180)
2x+78=180
2x= 102
x= 51
x+78 = 129
Which of the following properties was used in the expression shown here?
3+ (x - 4) = (3 + x) - 4
A. Commutative Property
B. Distributive Property
C. Associative Property
Answer:
C. Associative Property
Step-by-step explanation:
When attempting to study for her next Science exam, Alma cannot arrange her notes into the correct order. What has Alma forgotten to do? a. Include the name of the guest speakers on each page of notes c. Include the date on each page of notes b. Include the class title on each page of notes d. All of these
Answer:
c. Include the date on each page of notes
Step-by-step explanation:
The main reason for her not being able to do this is because she did not include the date on each page of notes. Failing to do so means that she does not know which notes she took first and which ones she took later, therefore preventing her from correctly organizing the notes based on when they were taken (in the correct order). Neither the class title or the names of the guest speaker prevent her from organizing her notes in order, thus making the answer c.
Answer: It is c
Step-by-step explanation: when arranging notes it is very important to remember what you are doing and how you are doing it.
Determine whether each function is even, odd, or neither.
F(x)=√x^2 -9
g(x) = |x-3|
F(x)=x/x^2 -1
g(x) = x + x²
Answer: even, neither, odd, neither
Step-by-step explanation:
mZLON is a straight angle.
mZLOM = 40 + 30°
mZMON = 83 + 90°
Find mZMON:
what is 3584858568 x 568495938583
Answer:2.0379775363024693e+21
Step-by-step explanation:
Question 7
5 pts
Beth is planning to order some fabric that costs $8.00 per yard,
including tax, and the shipping cost is $4.00 for the entire order. If
her total order cost $100, how many yards of fabric did she order?
A 8.3
B 12.5
C 12
D 23
Answer:
i think it's
A)8.3
Step-by-step explanation:
You add the 4 and the 8 thats12. and than u go 100÷12=8.3
Josiah can jog 3 miles in 20 minutes. Find his average in miles
Answer:
6.666 minutes or 6 minutes and 40 seconds
Step-by-step explanation:
20/ 3 = 6.66...
The total time divided by the number of miles equals the average mile time.
Hope this helps! Have a great day or night (wherever you are)! : )
i'll give brainlest if u can answer this question
1+1=?
Answer:
11
Step-by-step explanation:
LOL
Answer:
2
Step-by-step explanation:
A student was given lines m and n and was asked to construct a line parallel to n through point B. The illustration shows the initial condition and the student’s partially finished construction. All of the arcs in the illustration were constructed with the compass set at the same setting. Which step should the student perform next to complete the construction?
A. Construct an arc with center E crossing the other arc with center B.
B. Construct an arc with center C crossing the arc with center B.
C. Reset the compass to the distance BE.
D. Reset the compass to the distance CD.
Answer:
Reset the compass to CD is the correct anwser
Step-by-step explanation:
Parallel lines are simply lines that do not meet.
The step the student should perform next is (d) Reset the compass to CD
The steps in drawing a parallel line through a point, involves copying an angle from its original position to the parallel line that is to be drawn.
From the given figure, the angle to be copied is [tex]\angle DAC[/tex].
The student must set the compass at the endpoints of arc DC to get the measure of [tex]\angle DAC[/tex].
The endpoints of arc DC are points D and C
Hence, the next step to be taken by the student is option (c).
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For the graph of the equation you wrote in Item 3, what does the y-intercept represent?
A. Hours left to complete
B. Total hours of service
C. Hours completed each day
D. Days it takes to complete 30 hours
Answer:
B
Step-by-step explanation:
Total hours of service not days
The y-intercept refers to the total hours of service
What is the general equation of a Straight line?The general equation of a straight line is -
[y] = [m]x + [c]
where -
[m] is slope of line which tells the unit rate of change of [y] with respect to [x].
[c] is the y - intercept i.e. the point where the graph cuts the [y] axis.
The equation of a straight line can be also written as -
Ax + By + C = 0
By = - Ax - C
y = (- A/B)x - (C/A)
Given is Susan who has to complete 30 hours of community service.
The equation representing the hours of service, Susan has left after [x] days is -
y = 30 - 2x
OR
y = - 2x + 30
Refer to the graph attached.
For the graph of the equation, the y-intercept refers to the total hours of service
Therefore, the y-intercept refers to the total hours of service.
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[Refer to the image for complete question]
The graph h = −16t2 + 25t + 15 models the height and time of a ball that was thrown off a building where h is the height in feet and t is the time in seconds. At what height was the ball initially thrown off the building?
Answer:
15 ftStep-by-step explanation:
Given
The graph h = −16t² + 25t + 15Initial point is the value of h at t= 0
h = -16*0 + 25*0 + 15h = 15 ftThe ball was thrown at 15 ft height
the range of the following relation R {(3, -2), (1,2), (-1,-1), (-1,2)} is
The range is the set of all possible y values. So we just list the y coordinates of each point. We only list each unique one ignoring any duplicates.
Answer:
Range:{ -2, -1,2}
Step-by-step explanation:
The range is the output values
They are normally put in order from smallest to largest
Range:{ -2, -1,2}
Select the correct answer. Ronnie took a survey of eight of his classmates about the number of siblings they have and the number of pets they have. A table of his results is below.
Answer:
B a relation
Step-by-step explanation:
Answer:
D
Step-by-step explanation:
A hot air balloon rose from ground level to 1000 feet in order to pass over a mountain. The balloon then descended 800 feet to a cruising height.
A number line going from negative 1000 to positive 1000 in increments of 100. The line has points negative 1000, blank, A, blank, blank, negative 500, blank, blank, B, blank, 0, blank, C, blank, blank, 500, blank, blank, D, blank, 1000.
Which point is a representation of cruising height in feet?
Point A
Point B
Point C
Point D
Answer:
Point C.
Step-by-step explanation:
Hope this helps!
Answer:
c
Step-by-step explanation:
hope i helped hehe :)
2y - 8y = 12 - 8y I need help plz hurry
awenser is -4 :)))))))))))))))))))))))))))))
Answer:
Y=6
Step-by-step explanation:
2y-8y=12-8y
-6y=12-8y
-6y+8y=12
2y=12
Divide by 2
Y=2
Is the answer right
A lock has a code of 3 numbers between 1 and 25. If no numbers in the code are allowed to repeat, how many different codes could be made?
The number of different codes is 192.
What is a combination?It is an arrangement of a set of numbers from a total set where the order of the set is not relevant.
We have,
The formula for combination is [tex]^nC_r[/tex] = n! / r! (n -r)!
Now,
Total numbers = 25
n = 25
Required numbers of code = 3
Now,
The number of different codes.
= [tex]^{25}C_3[/tex]
= 25! / 3! (25 - 3)!
= 25 x 24 x 23! / 3 x 2 x 23!
= 25 x 24 / 3 x 2
= 24 x 8
= 192
Thus,
The number of different codes is 192.
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Sarah earned $73.50 Babysitting. She charges $3.50 per hour. We many hours did Saran baby-sit
