Answer:
x≤−4 or x>7
Step-by-step explanation:
What is the answer please give i really help and no links
Answer:
\(9\frac{57}{63}\)
Step-by-step explanation:
First, we need to turn them into improper fractions:
\(2\frac{4}{7}\) + \(7\frac{3}{9}\)
7 x 2 + 4
7 x 9 + 3
\(\frac{18}{7}\) + \(\frac{66}{9}\)
Next, we need to find a common multiple of both 7 and 9
7, 14, 21, 28, 35, 42, 49, 56, 63
9, 18, 27, 36, 45, 54, 63
So the denomonator turns into 63.
We've multiplied the denomonater 9 times for the first fraction and 7 times for the second fraction, we therefore have to do the same to the numerator.
18 x 9 = 162
66 x 7 = 462
\(\frac{162}{63}\) + \(\frac{462}{63}\) = \(\frac{624}{63}\)
Next, we have to turn it back into a mixed number.
To work it out: 624 / 63 = 9 (1 s.f) <--- Mixed number.
9 x 63 = 567
624 - 567 = 57 (Working out the remainder.)
Combining them, the answer is therefore \(9\frac{57}{63}\)
Hope this helps and have a good day!
I really need help with this and happy thanksgiving
Answer:
C (-2,2)
D (1,-2)
Step-by-step explanation:
happy thanksgiving!
True or False A. Its generally cheaper to remove liquid mechanically than thermally. [............... a Spray drying is applied on a large scale in the dairy industry and for drying of coffee........... c. In simple distillation, the temperature remains constant throughout the process. [................] D. Crystallization is an aspect of evaporation, obtained through variation of solubility condition. ................ Solvent extraction based on separation of materials of different chemical types and solubilities by selective solvent action. [................ E Drying is restricted to pharmaceutical and biological samples. [............…... G. Distillation is a process used to separate the substances composing a mixture, and involves a change of state. .................. The quality of freeze dried products is the lowest quality because of the high temperature used. [...…………….………………….. Drying process can be used to remove only water from a wet solid................. Centrifugation is a chemical method of separating immiscible liquid or solid by application of centrifugal force.....................] x. Filter press especially employed by solid/liquid separation using the principles of temperature drive. .................. L. Different solids have different moisture curve. ........... M. Distillation process is not the same as evaporation. N Boiling point diagram is not affected by pressure. .... o. The disadvantage of spray drying is that during the process high temperature will be needed, that's why natural properties of the product will be lost. ............... The head loss in a fluidized bed amongst others dependent on the filter bed height, the density of the pellet, and the flow velocity.............. o Fenske equation determines the maximum number of ideal plates.......... In batch distillation with constant reflux, overhead product composition decrease with time............ During fluidized bed experiment, a packed bed filled with packing materials and gas not other fluid flow through column............ 1. In pipe flow, heat is transferred from hot wall to the liquid by forced convection only...
The given statements are a) False b) True c) False d) True e) False f) True g) True h) False i) True j) False k) False l) True m) True n) False o) True p) True q) True r) True
A. False. It is generally cheaper to remove liquid thermally than mechanically. This is because mechanical methods require the use of energy to remove the liquid, while thermal methods only require the use of heat.
B. True. Spray drying is a process that uses a stream of hot air to dry a liquid into a fine powder. It is used on a large scale in the dairy industry to dry milk, and for drying coffee and other food products.
C. False. In simple distillation, the temperature does not remain constant throughout the process. The temperature will increase as the liquid boils, and then decrease as the vapor condenses.
D. True. Crystallization is the process of forming crystals from a solution. This process can be achieved by evaporating the solvent, which will cause the solute to crystallize.
E. False. Drying is not restricted to pharmaceutical and biological samples. It is used to dry a wide variety of materials, including food, textiles, and wood.
G. True. Distillation is a process used to separate the substances composing a mixture by boiling the mixture and then condensing the vapor. This process involves a change of state from liquid to vapor and back to liquid.
H. False. The quality of freeze dried products is not the lowest quality because of the high temperature used. In fact, freeze drying is a gentle process that preserves the quality of the product.
I. True. Drying can be used to remove only water from a wet solid. However, it can also be used to remove other solvents from a solid.
J. False. Centrifugation is a physical method of separating immiscible liquid or solid by application of centrifugal force. It is not a chemical method.
K. False. Filter presses are not especially employed by solid/liquid separation using the principles of temperature drive. They are used to separate solids from liquids by applying pressure.
L. True. Different solids have different moisture curves. This is because the moisture content of a solid depends on the properties of the solid, such as its surface area and its affinity for water.
M. True. Distillation and evaporation are two different processes. Distillation is a process used to separate the substances composing a mixture by boiling the mixture and then condensing the vapor. Evaporation is a process used to remove a solvent from a solution by boiling the solvent.
N. False. The boiling point diagram is affected by pressure. As the pressure increases, the boiling point of a liquid increases.
o.True. One of the disadvantages of spray drying is that it requires high temperatures. This can cause the natural properties of the product to be lost.
P. True. The head loss in a fluidized bed depends on the filter bed height, the density of the pellet, and the flow velocity.
Q. True. The Fenske equation is used to determine the maximum number of ideal plates in a distillation column.
R. True. In batch distillation with constant reflux, the overhead product composition will decrease with time. This is because the more volatile components of the mixture will be distilled off first, leaving the less volatile components behind.
To learn more about statements here:
https://brainly.com/question/14469331
#SPJ4
Find the area of the shape
(sorry if im asking too many questions)
Answer:
E. 54
Step-by-step explanation:
To find the area just multiply the base times the height. In this problem it would just be 6x9= 54.
Answer:54 cm ^2
Step-by-step explanation:
9 times 6 is 54
At a restaurant, Asanji and his three friends decided to divide the bill evenly. If each person paid $20, then what was the total?
Answer:
The answer will bee 6.6666666667 well with nine zeros
The negation of the product of five times a number divided by two is ten?
The algebraic expression that can be represented by the statement is -5x/2 = 10
How to make a algebraic expression that can be represented by the statement?From the question, we have the following statement that can be used in our computation:
The negation of the product of five times a number divided by two is ten
Represent the variable with y
So, we have the following representation
The negation of the product of five times x divided by two is ten
Express the product as an actual product
So, we have the following representation
The negation of 5x divided by two is ten
Express the quotient as an actual quotient
So, we have the following representation
The negation of the 5x/2 is ten
Lastly, we have
-5x/2 = 10
Hence, the expression is -5x/2 = 10
Read more about word problems at
brainly.com/question/21405634
#SPJ1
What is the mode of the data represented in this line plot? Enter your answer in the box. A line plot. The number line ranges from 0 to 5. There are 2 marks above the 1. There are 3 marks above the 2. There are 4 marks above the 3. There are 3 marks above the 4.
Answer: The mode of the data in the line plot is the data with the highest number of marks
The mode of the data is 8
How to determine the mode?
From the line plot, we have the following frequency table:
Number Frequency
5 2 marks6 4 marks.
7 3 marks
8 6 marks
9 2 marks
10 4 marks
11 2 marks
The number with the highest mark is 9
Hence, the mode of the data is 8
Step-by-step explanation:
Find the area and perimeter of each shape.
Help please!!! ASAP
The corresponding area and perimeter of the shapes assuming all are unit squares are {5,5) units² and {16,15} units.
What is a square?A square is a geometrical figure in which we have four sides each side must be equal and the angle between two adjacent sides must be 90 degrees.
Let's assume all blocks that exist in shape are square with dimension units or one.
Now the area of the square is given as ;
A = Side² = 1² = 1
Since the number of squares in 20 is 5
So,
A = 5 unit²
The number of squares in 21 is also 5
So,
A = 5 unit²
Now,
The perimeter of the square as given;
P = 4× side
Since side in 20 are 16 so 16 units.
The side in 21 is 15 so 15 units.
Hence "The corresponding area and perimeter of the shapes assuming all are unit squares are {5,5) units² and {16,15} units".
For more about a square,
https://brainly.com/question/2189895
#SPJ1
Use the function values for f and g shown in the table to evaluate each expression. Match them.
Answer:
f(g(8)) = 4
f(g(5)) = 9
g(f(2)) = 8
g(g(6)) = 3
Step-by-step explanation:
g for x = 8 is 4 and f for x = 4 is 4
g for x = 5 is 8 and f for x = 8 is 9
f for x = 2 is 5 and g for x = 5 is 8
g for x = 6 is 7 and g for x = 7 is 3
The matching for the function values are
g(g(6)) = 3
g(f(2)) = 8
f(g(8)) = 4
f(g(5)) = 9
What is Function?In mathematics, a function is an expression, rule, or law that establishes the relationship between an independent variable and a dependent variable. In mathematics, functions exist everywhere, and they are crucial for constructing physical links in the sciences.
We have two function as f and g.
So, the value of function from the table are
1. g(g(6))
= g(7)
= 3
2. g(f(2))
= g(5)
= 8
3. f(g(8))
= f(4)
= 4
4. f(g(5))
= f(8)
= 9
Learn more about Function here:
https://brainly.com/question/12431044
#SPJ2
In math the words transformation means to blank, blank, blank, or blank a figure
Answers:
TranslateReflectRotateDilateThis can be stated in any order
============================================
Explanation:
In geometry, a translation is where you slide a point or figure some distance left, right, up or down.
A reflection will mirror a point over a line, or you could mirror a point over another point.
A rotation turns a point around a fixed center point.
A dilation scales the figure to be larger or smaller.
The first three transformations mentioned (translation, reflection, rotation) are known as rigid transformations. They keep the figure the same size and shape. A dilation will keep the same shape, but the size will be different, so the before and after figures are not congruent when you apply a dilation.
onetta goes to the food court to get a salad and sandwich for lunch. the daily deli has 4 varieties of sandwiches and 6 salads. better bites has 3 varieties of sandwiches and 7 salads. the lunch spot has 5 varieties of sandwiches and 4 salads. determine the number of ways onetta can select a sandwich and a salad.
The number of ways onetta can select a sandwich and a salad is 65.
When Onetta wants to buy a sandwich and a salad from 4 varieties of sandwiches and 6 salads of Daily Deli or 3 varieties of sandwiches and 7 salads of Better Bites or 5 varieties of sandwiches and 4 salads from Lunch Spot, she has 65 ways.
Therefore, the answer is 65.
Choosing a sandwich and a salad is simultaneous activity, so we apply product rule.
Number of ways a sandwich and a salad can be selected from Daily Deli = 4C1×6C1
Number of ways a sandwich and a salad can be selected from Daily Deli = 3C1×7C1
Number of ways a sandwich and a salad can be selected from Lunch Spot = 5C1×4C1
She can go to Daily Deli or Better Bites or Lunch Spot, but not simultaneously, so we apply the addition rule.
Total number of ways = 4C1×6C1 + 3C1×7C1 + 5C1×4C1
= 4×6 + 3×7 + 5×4
= 65
To know more on number
https://brainly.com/question/18236142
#SPJ4
Machine A can label 11 bottles in 1 minute. Machine B can label 14 bottles in 1 minute. How many bottles can both machines label in 15 minutes?
Answer:
Machine 1: 165
Machine 2: 210
Step-by-step explanation:
Machine 1: 11 bottle per minute
11 * 15 = 165 labeled bottles per minute
Machine 2: 14 bottles per minute
14*15 = 210 labeled bottles per minute
a recent survey found that out of a random sample of 150 drivers, 100 of them wear seatbelts. what is the 95onfidence interval for the proportion p of drivers that do not wear seatbelts?
The 95% CI for proportion of driver that do not wear seat belt is 0.255 < p < 0.405.
What is Confidence interval?
A confidence interval (CI) is a range of estimates for an unknown parameter in frequentist statistics. The 95% confidence level is the most popular, however other levels, such 90% or 99%, are occasionally used when computing confidence intervals.
As given,
n = 150 = drivers
x = 100 = wear seat belts.
We have to find 95% confidence interval for proportion P that do not wear seat belt.
From 150 we have 100 wear seat belts
Not wear seat belt = 150 - 100
Not wear seat belt = 50
P = 50/150
P = 0.33
95% confidence interval for P is
CI = (P - zα/2√(P(1 - P)/n), P + zα/2√(P(1 - P)/n))
For 95% CI, zα/2 = 1.96
Substitute values,
CI = (0.33 - 1.96√(0.33(1 - 0.33)/150), 0.33 + 1.96√(0.33(1 - 0.33)/150))
CI = (0.33 - 0.075, 0.33 + 0.075)
CI = (0.255, 0.405)
Therefore 95% CI for proportion of driver that do not wear seat belt is 0.255 < p < 0.405.
To learn more about Confidence interval CI from the given link.
https://brainly.com/question/20309162
#SPJ4
what are the two main parts of the atom
Answer: The nucleus and the cloud of electrons.
Step-by-step explanation:
solve the equation. check your solution n - 6 = 21
Answer:
n=27
Step-by-step explanation:
Answer:
n=27
Step-by-step explanation:
Let's solve your equation step-by-step.
n−6=21
Step 1: Add 6 to both sides.
n−6+6=21+6
n=27
Hope it helped!
There are 120 counters in a bag.
40% of the counters are red.
3/8 of the counters are yellow.
The rest of the counters are green.
Find what fraction of the counters are green.
Answer:
9/40
Step-by-step explanation:
120 × ⅖ = 48
120 × ⅜ = 45
120 - 93 = 27
27/120 = 9/40
Based on the proportions and the counters in the bag, the fraction that is green is 9 / 40.
Number of Green countersYou can find the number of green counters by:
= Number of counters - Red counters - Yellow counters
= 120 - (120 x 40%) - (120 x 3/8)
= 120 - 48 - 45
= 27 green counters
Fraction of green counters= Number of green counters / Total number of counters
= 27 / 120
To take it to the lowest term, divide both numbers by 3:
= 9 / 40
In conclusion, the fraction is 9 / 40.
Find out more about fractions at https://brainly.com/question/17743912.
Tims picture. is 8 feet long. The length of a copy of the picture is 1/2 a foot long. What is the scale factor from the original to the copy?
Answer: The scale factor is a ratio that compares the dimensions of an object to a copy of that object. To find the scale factor from the original picture to the copy, you can divide the length of the copy by the length of the original.
In this case, the length of the original picture is 8 feet and the length of the copy is 1/2 a foot.
So the scale factor is:
1/2 a foot / 8 feet = 1/16
This means that the copy is 1/16 the size of the original. This means that, for each inch or foot on the original, the same length on the copy is 1/16 of that length.
It's also common to express scale factor as a ratio or a fraction of the original, which in this case is 1/16
It's worth mentioning that you could use this same method to find the scale factor for any other dimension of the picture, such as width, height and so on.
Step-by-step explanation:
The number of kids on a field trip is directly proportional
to the number of buses required to transport them. If 2
buses are trequired to transport 66 kids and both buses
are completely full, how many buses are needed to
transport 117 kids?
Answer: 59 buses
Step-by-step explanation:
117/2 = about 59 buses rounded to the nearest whole number because a bus can't be split in half!
What is the interquartile range (IQR) of the data set? 3,4,8,11,14,15,16
Answer:
11
Step-by-step explanation:
all you gotta do is subtract q3 from q1, in this case it's 15-4=11
Estimate the product. Then find the exact product.
7.9(10.1)
1)estimated product = 80, exact product = 7.97
2)estimated product = 80, exact product = 79.79
3)estimated product = 80, exact product = 797
4)estimated product = 80, exact product = 7,979
Answer:
estimated product = 80, exact product = 79.79
Step-by-step explanation:
Trust me
Answer:
its 79.79
Step-by-step explanation:
suppose that m is a proper ideal in a commutative ring r. we proved in class that if r/m is simple, then m is a maximal ideal in r. give a careful direct proof of the converse direction. that is, prove that if m is maximal, the
Here is a careful direct proof of the converse direction of the ideal in a commutative ring.
Suppose that M is a proper ideal in a commutative ring R. We proved in class that if R/M is simple, then M is a maximal ideal in R. Now let's prove the converse, that if M is maximal, then R/M is simple.
To prove this, we must consider the following two facts:
* If M is a maximal ideal in R, then for any ideal N of R, either M is contained in N or N is contained in M.
* If R/M is simple, then for any nonzero ideal N of R/M, N = R/M.
Now, let N be any ideal of R. If M is contained in N, then the image of N in R/M is equal to N. Since R/M is simple, this means that N = R/M.
If M is not contained in N, then N is not contained in M. Since M is maximal, this means that N must be equal to R. The image of N in R/M is therefore also equal to R. Since R/M is simple, this means that N = R/M.
In either case, we have shown that for any ideal N of R, either M is contained in N or N is contained in M. This means that M is a maximal ideal in R.
Therefore, if M is maximal, then R/M is simple.
Thus, it's proved that "If M is a maximal ideal, then R/M is a simple ideal".
To know more about simple ideal, visit:
https://brainly.com/question/29617769
#SPJ11
A presidential candidate plans to begin her campaign by visiting the capitals in 3 of 47 states. What is the probability that she selects the route of three specific capitals? P(she selects the route of three specific capitals) 97290 (Type an integer or a simplified fraction:)
The probability that she selects the route of three specific capitals is 97290/1.
The probability that she selects the route of three specific capitals can be calculated by taking the total number of possible routes and dividing it by the total number of routes that involve the three specific capitals. To calculate the total number of possible routes, multiply the number of states (47) by the number of routes that could be selected from each state (2). This gives 94 total possible routes.
47 x 46 x 45 ways = 97290 ways
= 1/97290
Now, calculate the number of routes that involve the three specific capitals. Since the president is selecting three states, the total number of routes will be 3. Therefore, the probability that she selects the route of three specific capitals is 3/94, which can be simplified to 97290/1.
Learn more about probability here
https://brainly.com/question/11234923
#SPJ4
Calculate the standard deviations of the plant weights in each group. Is the equal population standard deviation met
Answer: How would i know what im calculating?
Step-by-step explanation:
√−100 = ___+ ___i
what is this?? the lesson is called simplifying square roots of negative numbers.
Answer:
√−100 = 0 + 10i
Step-by-step explanation:
i is equal to the square root of -1
change sqrt(-100) to sqrt(-1) * sqrt(100)
i * 10
10i
You roll a number cube. What is the probability you roll a multiple of 2 or a 5?
Answer:
d
Step-by-step explanation:
Trust
At State College last term, a large number of students completed a Spanish course. 67 of the students earned As, 95 earned Bs, 111 got Cs, 87 were issued Ds, and 33 students failed the course. If this grade distribution was graphed on a pie chart, how many degrees would be used to indicate the F region?
Round your answer to the nearest whole degree, but do not include a degree symbol with your response.
Rounded to the nearest whole degree, the F region would be represented by 30 degrees on the pie chart.
The total number of students who completed the Spanish course is:
67 + 95 + 111 + 87 + 33 = 393
To find the number of degrees for the F region on the pie chart, we need to first find the percentage of students who failed the course:
33/393 x 100% = 8.39%
To convert this percentage to degrees, we use the formula:
(degrees in a circle) x (percentage/100) = degrees in the sector
Since a circle has 360 degrees, we can plug in the values to get:
360 x (8.39/100) = 30.24 degrees
Rounded to the nearest whole degree, the answer is 30 degrees. Therefore, 30 degrees would be used to indicate the F region on the pie chart.
Learn more about degrees here:
https://brainly.com/question/364572
#SPJ11
suppose that f(0)=−3 and f′(x)≤8 for all values of x. use the mean value theorem to determine how large f(4) can possibly be. answer: f(4)≤
The largest value that f(4) can possibly be is 29.
The mean value theorem states that for a function f(x) that is continuous on the closed interval [a, b] and differentiable on the open interval (a, b), there exists a number c in the open interval (a, b) such that:
f(b) - f(a) = f'(c)(b - a)
In this case, we are given that f(0) = -3 and that f'(x) ≤ 8 for all values of x. To determine how large f(4) can possibly be, we can use the mean value theorem with a = 0 and b = 4:
f(4) - f(0) = f'(c)(4 - 0)
Substituting the given values:
f(4) - (-3) = f'(c)(4)
f(4) + 3 = 4f'(c)
Since f'(x) ≤ 8 for all values of x, we can say that f'(c) ≤ 8. Therefore:
f(4) + 3 ≤ 4f'(c) ≤ 4(8) = 32
Therefore, we have:
f(4) ≤ 32 - 3 = 29
Learn more about the differentiation here:
brainly.com/question/954654
#SPJ11
An artist has 12 paintings to sell at the ArtiGras Fine Arts Festival in Jupiter, Florida. The artist picks 7 paintings to display on the first day. You randomly select 7 paintings. What is the probability you select the paintings in the same order the artist displays them on the first day? Write your answer as a fraction in simplest form.
The answer as a fraction in simplest form is 1 39916800.
What is the probability?Probability refers to a possibility that deals with the occurrence of random events.
The probability of all the events occurring need to be 1.
The formula of probability is defined as the ratio of a number of favorable outcomes to the total number of outcomes.
P(E) = Number of favorable outcomes / total number of outcomes
We are given that;
n = 12 and r = 7,
so the number of possible outcomes is:
12 P 7 = 12! ( 12 − 7)! = 12! 5! = 39916800
The number of favorable outcomes is only one, since there is only one way to select the paintings in the same order as the artist displays them. Therefore, the probability of selecting the paintings in the same order as the artist displays them on the first day is:
P ( event) = number of favorable outcomes number of possible outcomes = 1 39916800
This fraction cannot be simplified further, so this is the final answer. The probability is very small, which makes sense because it is very unlikely to randomly select 7 paintings in the same order as the artist displays them.
Therefore, by probability the solution will be 1 39916800.
Learn more about probability here;
https://brainly.com/question/9326835
#SPJ2
Write an equation to represent the graph below
Jonathan puts his life savings of $490 in a savings account that has an interest rate of 2.5% per year. If he does not take any money out over the next 7 years, how much will be in his account? Round to the nearest whole dollar.
Answer:
568$
Step-by-step explanation:
a1(b)^n-1
First multiply the initial value (490) into 1.025 (Because it is growing so we add 1 to the rate converted into a decimal.) then n-1 or 7-1 which is 6, simply solve.
Its hard to explain so you should have an equation set up like this:
f(x)=490(1.025)^7-1
that is 568.249 (568)
Hope it helps.