How do fractions 1/4 and 1/8 compare

Answer: C its C

Step-by-step explanation:

GOT DANG JUST READ THE ANSWER ITS CCCCCCCCCCCCCCCCCCCCCCCCCCCCC

Answer:

Step-by-step explanation:

Look at the original value of the gallons of water =12568 this is in July

Look at the value of the gallons of water in August =11,562

Find the difference between the two values=12568-11562=1006

Place the larger value of gallons of water first, as you are going from a large number to a small number you are decreasing by 1006

We put this value of the difference over the original gallons of water and then multiply by 100%

1006/12568 x100%=

This can be done on your calculator

1006÷12568 x100=8.004455761

Rounding to the nearest whole percent gives 8% decrease

The probability that the student is

(a) enrolled in mathematics is equal to [tex]\frac{3}{10}[/tex]

(b) enrolled in English is equal to [tex]\frac{11}{20}[/tex].

(c) enrolled in both is equal to [tex]\frac{11}{80}[/tex].

(d) enrolled in mathematics or English is equal to [tex]\frac{57}{80}[/tex].

(e) enrolled in English but not in mathematics is equal to [tex]\frac{33}{10}[/tex].

(f) not enrolled in English or is enrolled in mathematics is equal to [tex]\frac{23}{80}[/tex].

What is probability?

A probability is a numerical representation of the likelihood or chance that a specific event will take place. Both proportions ranging from 0 to 1 and percentages ranging from 0% to 100% can be used to describe probabilities.

The total number of students in college is 400.

Students enrolled in Mathematics = 120.

Students enrolled in English = 220.

Students enrolled in both Mathematics and English = 55.

(a) The probability that the student is enrolled in mathematics is the Number of students enrolled in mathematics divided by the total number of students which is equal to [tex]\frac{120}{400} =\frac{3}{10}[/tex].

(b) The probability that the student is enrolled in English is the Number of students enrolled in English divided by the total number of students which is equal to [tex]\frac{220}{400} =\frac{11}{20}[/tex].

(c) The probability that the student is enrolled in Both is equal to the number of students enrolled in Both divided by the total number of students which is equal to [tex]\frac{55}{400} =\frac{11}{80}[/tex].

(d)  The probability that the student is enrolled in mathematics or English is the Number of students enrolled in mathematics or English that is the Number of students in (Maths+English - Both) divided by the total number of students which is equal to [tex]\frac{120+220-55}{400} =\frac{285}{400}=\frac{57}{80}[/tex].

(e) The probability that the student is enrolled in English but not in mathematics is the Number of students enrolled in (English- enrolled in both) divided by the total number of students which is equal to [tex]\frac{220-55}{400} =\frac{165}{400}=\frac{33}{80}[/tex].

(f) The probability that the student is neither enrolled in mathematics nor English is the Total Students - (Maths+English-both) divided by the total number of students which is equal to [tex]\frac{400-(120+220-55)}{400} =\frac{115}{400}=\frac{23}{80}[/tex].

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When 6 times a number is equal to the number increased by 10. The number is 5.

An equation is the statement that illustrates the variables given. In this case, two or more components are taken into consideration to describe the scenario.

Let the number be represented as x.

Six times a number is equal to the number increased by 10. This will be:

(6 × x) = x + 10

6x + x = 10

Collect the like terms

6x - x = 10

5x = 10

Divide.

x = 10 / 2

x = 5.

The number is 5

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Answer:

A) -3

Step-by-step explanation:

To evaluate this mathematical expression, we must follow the following steps:

Perform the operation between parentheses: (0-1) = -1

Multiply the previous result by 2: -1 * 2 = -2

Add 1.5 to the previous result: -2 + 1.5 = -0.5

Therefore, the correct answer to the mathematical expression is A) -3.

The missing parts of the table for the compound interest problem are;

2)  $487.91

3) 435(1.039)^(t) and  $487.91

4) 435(e)^(0.039t) and $499

1) In this account, we are given the formula for the compound interest as;

P(1 + rt)

The balance after t years is expressed as;

435(1 + 0.039t)

Balance after 3 years is;

435(1 + 0.039(3)) = $485.90

2) In this account, we are given the formula for the compound interest as;

P(1 + (r/n))^(nt)

The balance after t years is expressed as;

435(1.039)^(t)

Balance after 3 years is;

435(1.039)^(3) = $487.91

3) Same as 2 above

4) In this account, we are given the formula for the compound interest as;

P₀e^(rt)

The balance after t years is expressed as;

435(e)^(0.039t)

Balance after 3 years is;

435(e)^(0.039 * 3) = $499

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The value of x in the parallelogram is zero.

A parallelogram is a two-dimensional geometrical shape(quadrilateral) whose sides are parallel to each other.

Therefore, the properties of a parallelogram are as follows:

Therefore, let's find the value of x using the properties of a parallelogram.

Hence,

ST = RU

2x + 15 = x + 15

2x - x = 15 - 15

Therefore,

x = 0

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Applying the net operating income ratio, the rent per unit needs to be $8,354.22 to generate an NOI of $100,000.

The net operating income (NOI) is the result of the subtraction of the operating expenses from the gross operating income.

The net operating income ratio can be computed by subtracting the given operating expenses ratio from the operating gross income, which represents 100%.

                                                                                            Total

Rent per unit (per month) = $696.19 ($8,354.22/12)   $150,376

Vacancy Rate (5% of Potential Gross Income)                   7,519

Effective Gross Income                                                $142,857

Operating Expenses (30% of Effective Gross Income) 42,857

Net Operating Income (NOI)                                      $100,000

Number of Units 18

Gross operating income = net operating income + operating expenses

Operating expenses = 30% of effective gross income

Net operating income = 70% of effective gross income (100 - 30%)

= $100,000

Effective Gross Income (100%) = $142,857 ($100,000 ÷ 70%)

Vacancy rate = 5% of potential gross income

Effective Gross Income = 95% (100 - 5)

Potential gross income = $150,376 ($142,857 ÷ 95%)

Number of units = 18

Rent per unit = $8,354.22 ($150,376/18)

Rent per month = $696.19 ($8,354.22 ÷ 12)

Thus, a rent of $8,354.22 per unit can generate a Net operating income of $100,000.

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From 2018 to 2019:

From 2019 to 2020:

Compare the percent increase we obtained:

Period 2018 to 2019 had a higher percent increase.

Penny currently budgeted for her trip, in US dollars is $993.95.

What is  Penny currently?

Pennies are constructed of copper-coated zinc. Only nickels—that identical alloy of 75% copper and 25% nickel—are one solid substance.

Given: Exchange rate of the US dollar to Egyptian pound is 1:5.3841

Item Cost Currency Plane ticket =

[tex]3,241.77 £=\frac{3,241.77}{5.3841}=\$ 602.100629632 \approx \$ 602.10[/tex]

Passport =  $65.00

Tour guide [tex]$=494.25 £=\$ 91.7980721012 \approx \$ 91.80$[/tex]

International phone card [tex]$=\$ 41.38$[/tex]

Hotel reservation [tex]$=398.26 £=\frac{398.26}{5.3841}=\$ 73.9696513809 \approx \$ 73.97$[/tex]

Car rental [tex]$=644.48 £=\frac{644.48}{5.3841}=\$ 119.700599915=\$ 119.70$[/tex]

Therefore, the total budgeted for her trip, in US dollars= [tex]602.10+91.80+41.38+73.97+119.70+65$ $=\$ 993.95$[/tex]

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0.4166667 is the difference between 2/ 3 and 1 /4.

A fraction is a symbol used in mathematics to represent a part or element of the whole. It represents the proportional components of the whole. A fraction is made up of the denominator and the numerator. The top number is the numerator, and the lower number is the denominator.

More manageable pieces of a whole are represented by fractions. The components could be combined to make one thing or several things. In any instance, they come together to create the concept of a whole. As parts of wholes or sets, as the result of dividing two numbers, as the ratio of two quantities, as operators, and as measures are only a few examples of how to use fractions, they are all examples of fractions.

= 2/3 - 1/4

= 512

= 0.4166667

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Answer: x=-3

Step-by-step explanation:

-4=3x+5

isolate x by moving all other variables  to the right

-4-5=3x+5-5

-9=3x

x=-3

Answer:

-7

Step-by-step explanation:

To find the solution you'd have to plug in the -4 for every x you see but in this solution there is only one x so then you'd plug it in for that x. So then you'd have f(-4= 3(-4) + 5 and then you'd solve it. To solve it you would first multiply the 3 with the -4 because when something is in a parenthesis and there is a number beside with no sign that means you multiply. When you multiply you should get -12. After you get -12 you add 5 and your answer is -7.

When they give you an equation with an f(x) they sometimes give you inputs which you plug in to get your output. -4 was an input and -7 (your answer) is an output.
(hopefully you understood how i solved..)

Answer:

Step-by-step explanation:

[tex]s=ut+\frac{1}{2}gt^2\\if ~the~body~falls~freely,~then~at~t=0,d=0\\s_{n}=d_n=\frac{1}{2}gn^2\\S_{n-1}=\frac{1}{2}g(n-1)^2\\distance~covered ~in~nth~second\\S(n)=d(n)-d(n-1)=\frac{1}{2}gn^2-\frac{1}{2}g(n-1)^2=\fracg[n^2-(n-1)^2]\\=\frac{1}{2}g{(n+n-1)(n-n+1)]\\=\frac{1}{2}g(2n-1)[/tex]

The correct option is (b) i.e. f(0) > f(2).

What is Domain?

The entire range of independent variable values is the domain of a function. In straightforward terms, this definition means The collection of all x-values that can cause the function to "work" and produce actual y-values is known as the domain.

We have,

f(x) =         (x+2)^2 - 1        ,  -4 ≤ x ≤ 0

                      -x + 1          ,  0 ≤ x ≤ 2

        5/2 log ( -x +5) - 1    , 2 < x < 5

Now, f(0) =   (x+2)^2 - 1  

               =   (0+2)^2 - 1

               = 4 - 1 = 3

Similarly, f(2) =  - x +1

                     = - 2 + 1

                     = - 1.

Hence, f(0) > f(2)  because 3 > -1.

∴ The correct option is (b).  

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The correct answer is: mean = 10.44/30 = 0.348, standard error (9.2/30)^2 = 0.094

When you take random samples of 30 pennies and find the mean age in each sample, the distribution of the sample means will have a mean that is equal to the mean of the population (10.44 years in this case) divided by the sample size (30 in this case). This is known as the sampling distribution of the mean.

The standard error is a measure of the spread or dispersion of the sampling distribution. It is calculated as the standard deviation of the population divided by the square root of the sample size. In this case, the standard error would be (9.2/30)^2 = 0.094.

The other options do not correctly describe the center and spread of the sampling distribution of the means. Option A gives the mean and standard deviation of the population, not the sampling distribution. Option B gives the correct standard error, but the mean is incorrect. Option D gives the correct mean, but the standard error is incorrect.

∴ The correct answer is: mean = 0.348, standard error = 0.094.

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The probability of not drawing a 5 from the deck is 48/52.

What is probability?

Simply put, probability measures how probable something is to occur. We can discuss the probabilities of various outcomes, or how likely they are, whenever we are unsure of how an event will turn out. Statistics is the study of events subject to probability.

There are 4 number 5's in the deck of 52 cards.

They are as follows:

The 5 of clubs, the 5 of spades, the 5 of hearts, and the 5 of diamonds.

Using the formula,

Probability = (Number of possible outcomes)/(Total number of outcomes)

The probability of drawing a 5 from the deck is 4/52.

The probability of not drawing a 5 from the deck is 48/52.

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The complete statement is "After 80 years, the town will have more than 96 people."

Generally,  A population is the whole set of people in a group, whether that group is a country or a collection of people who share a certain trait. A population is the group of people from whom a statistical sample is taken in statistics.

Here is the pattern:

After 80 years, the town will have more than 96 people.

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Answer:

Step-by-step explanation:

You have ages in the ratio 3:5:7, with the average age being 25, and you want to know the age of the youngest. You have 45 L of a solution in the ratio sugar : salt = 1 : 2, and you want to know how much sugar solution to add to make the ratio 2 : 1.

The age ratios are an arithmetic progression with an odd number of terms, so the middle one is the average. That is, the average age of 25 years corresponds to 5 ratio units. Then the youngest boy is ...

  3/5 × 25 = 15 . . . . years old

The ratio 1 : 2 of sugar solution to salt solution tells you that the fraction that is sugar is 1/(1+2) = 1/3 of the whole amount, or ...

  sugar solution = 1/3 · 45 L = 15 L

Then the salt solution is ...

  salt solution = 45 L -15 L = 30 L . . . . . . . or (2/3·45 L)

To make the solution have twice as much sugar solution as salt solution, we need a total of 2·(30 L) = 60 L of sugar solution. We already have 15 L, so we need to add ...

  added sugar solution = 60 L -15 L = 45 L

45 L of sugar solution must be added to make the sugar : salt ratio be 2 : 1.

__

Additional comment

The "solution" problem can also be worked by considering "ratio units." The original sugar:salt ratio is 1:2. To make it be 2:1 while keeping the salt constant, we need to increase the ratio from 1:2 to 4:2. That is, we need to add 4-1 = 3 units of sugar solution. The 45 L amount is the amount of 1+2=3 units of solution, so we need to add 45 L of sugar solution.

Answer:

C. Translation [tex](x,y) \longrightarrow (x-7, y+0)[/tex], Reflection in the [tex]y[/tex]-axis

Answer:

Using the inclusion and exclusion principle, we can calculate the percentage of members who play all three sports as follows:

60% of members play Tennis, 50% of members play Cricket, and 70% of members play Football.

Therefore, 60% + 50% + 70% = 180% of members play at least one of the sports.

However, this count includes members who play more than one sport, so we need to subtract out the members who play two sports and add back in the members who play all three sports.

20% of members play Tennis and Cricket, 40% of members play Cricket and Football, and 30% of members play Football and Tennis.

Therefore, 20% + 40% + 30% = 90% of members play at least two sports.

Subtracting this number from the total number of members who play at least one sport gives us 180% - 90% = 90% of members who play at least one sport but not all three sports.

To find the number of members who play all three sports, we need to subtract this number from the total number of members who play at least one sport:

180% - 90% = 90% of members who play at least one sport but not all three sports

180% - 90% = 90% of members who play all three sports

Therefore, according to the inclusion and exclusion principle, 90% of members play all three sports.

If someone claimed that 20% of members play all three sports, this would be incorrect based on the calculations using the inclusion and exclusion principle. The correct number of members who play all three sports is 90%, not 20%. This can be verified by using the given information about the percentage of members who play each individual sport and the percentage of members who play two sports in combination.

To clarify, the inclusion and exclusion principle states that to find the number of elements in a union of sets (in this case, the number of members who play at least one sport), we can add the number of elements in each set (the percentage of members who play each individual sport) and then subtract the number of elements that are counted multiple times (the percentage of members who play two sports in combination). We then add back in the elements that were subtracted out in the previous step (the percentage of members who play all three sports).

Using this principle, we were able to calculate that 90% of members play all three sports, rather than the 20% claimed by someone.

Step-by-step explanation:

Answer:

Only X = X - ( (X∩Y - X∩Y∩Z) + X∩Y∩Z + (Z∩X - X∩Y∩Z) )

Only X = 600 - ( (200-200) + 200 + ( 300-200) )

Only X = 600 - (0 + 200 + 100)

Only X = 600 - (300)

Only X = 300

Only Y = Y - ( (Y∩Z - X∩Y∩Z) + X∩Y∩Z + (X∩Y - X∩Y∩Z) )

Only Y = 500 - ( (400-200) + 200 + ( 200-200) )

Only Y = 500 - (200 + 200 + 0)

Only Y = 500 - (400)

Only Y = 100

Only Z = Y - ( (Y∩Z - X∩Y∩Z) + X∩Y∩Z + (Z∩X - X∩Y∩Z) )

Only Z = 500 - ( (400-200) + 200 + ( 300-200) )

Only Z = 500 - (200 + 200 + 100)

Only Z = 500 - (500)

Only Z = 200

Step-by-step explanation:

The upper control limit(UCL) is 160

sample mean X =35

sample size n   =25

sample size n=25, average sample standard deviation is 5

Upper control limit is shown by the top dashed line (UCL). The data that is plotted on the control chart is used to calculate the upper control limit. It is positioned 3 sigma off the average line (of the data being plotted).

A control chart is made up of various components. It has an average line and two control limits. The lower control limit is represented by the dashed bottom line (LCL). The statistic's average is represented by the solid center line. The higher control limit appears as the top dashed line (UCL).

a)

Upper control limit(UCL) =X+A2R =160

Control line (CL) = X=35

Lower control limit (LCL)=X-A2R =90

Hence, The upper control limit (UCL) is 160

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In the given equation, Y = 3x is at (0, 3) and a line passes through (-3, 0).

A mathematical statement known as equation is given by joining two expressions with the equal sign. For instance, 3x - 5 = 16 is an equation. This equation can be solved, and the result shows that the value of the variable x is 7.

A mathematical equation links the two phrases on either side of the sign. It typically only contains an equal sign and one variable. similar to 2x - 4 = 2.

Either identities or conditional equations can be used to classify equations. Each value of the variables corresponds to a specific identity. A conditional equation can only be true for a certain range of variable values. An equation is represented by two expressions being separated by the equals sign ("=").

A line goes through (- 3, 0) and (0, 3)

The equation is

y - y1 = y2 - y1/ x2- x1

y - 0 = 3 - 0 / 0 - (-3) (x - (-3)

y = x + 3

y = 3x

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Therefore, number of pages of study guide Gloria have=9

In mathematics, an equation is a formula that uses the equals symbol (=) to represent how two expressions are equivalent. the act of comparing two things or "the equation of science with objectivity."

given

no. of  study guides for language art= 3

no. of  pages in each study guides=3

so no. of pages of study guides= no. of  study guides for language art*

no. of  pages in each study guides

3*3=9

therefore, number of pages of study guide Gloria have=9

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Answer:

D 13 [tex]\frac{3}{5}[/tex]

Step-by-step explanation:

I’m ur math man

Using the principle of proportional relationship, the time taken by the turtle to walk one mile is 2.1667 hours

What is proportional relationship?

Proportional relationships are relationships between two variables where their ratios are equivalent. Another way to think about them is that, in a proportional relationship, one variable is always a constant value times the other. That constant is know as the "constant of proportionality".

Creating a system of proportional expression :

Cross multiply :

1.5t = (3.25 × 1)

1.5t = 3.25

Divide both sides by 1.5

t = (3.25 ÷ 1.5)

t = 2.1667 hours

Therefore, the time taken per mile is 2.1667 hours

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The turtle needs 2.16 hours to move a mile using the proportional relationship principle.

What does the word "proportional" mean?

Proportional relationships form when the ratios of two variables are equal. The fact that one variable is consistently equal to the constant value of the other in a proportionate connection is another way to think of them. The "constant of proportionality" is the name of this constant.

For instance, the time it takes a train to travel 50 kilometers per hour is equal to the time it needs to travel 250 kilometers in 5 hours. e.g., 250km/5 hours at 50 km/h.

Establishing a proportional expression system

Cross multiply :

1.5t = (3.25 × 1)

1.5t = 3.25

t = (3.25 ÷ 1.5)

t equals 2.16 hours

Consequently, the time required for each mile is 2.16 hours.

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Statements must be true concerning event A and event B are that event A and B are independent and not mutually exclusive.

Events that do not take place at the same time are said to be mutually exclusive. For instance, if a coin is tossed, the outcome will either be head or tail; we cannot obtain both outcomes. Since they do not occur at the same time, such occurrences are also known as disjunct events. Two events are mutually exclusive or disjoint in logic and probability theory if they cannot both occur at the same time. The results of a single coin flip, which can result in either heads or tails but not both, serve as an obvious illustration.

Given

The owner of the company believes that: the probability of being awarded the first job (event A) is 0.17.

The probability of being awarded the second job (event B) is 0.5; the probability of being awarded both jobs (A and B) is 0.375.

Statements must be true concerning event A and event B:

Event A and B are independent and not mutually exclusive.

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Passive solar heating systems use solar collectors. This is false.

An apparatus that gathers and/or concentrates solar radiation from the Sun is called a solar collector. These gadgets enable the heating of water for personal use and are primarily used for active solar heating.

Through the absorption of sunlight, a solar thermal collector gathers heat. Commonly, a solar hot water heater is referred to as a "solar collector," but the term can also refer to large power generation facilities like solar parabolic troughs and solar towers or non-water heating equipment like solar air heaters.

In conclusion, it's false.

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This is a case of Compound Interest.

It takes around 3.22 years for investment to grow to 1500$ from 1000$.

The interest charged on a loan or deposit is known as compound interest. It is the idea that we employ the most frequently on a daily basis. Compound interest is calculated for an amount based on both the principal and cumulative interest. The major distinction between compound and simple interest is this.

The interest that is calculated using both the principal and the interest that has accrued during the previous period is called compound interest. It differs from simple interest in that the principal is not taken into account when determining the interest for the subsequent period with simple interest. Compound interest is commonly abbreviated C.I. in mathematics.

Annual amount, A=P(1+[tex]\frac{r}{n}[/tex])∧nt

Given,

P=1000$

A=1500$

r=13%=0.13

A=P(1+[tex]\frac{r}{n}[/tex])∧nt

n=2(Compounded semi-annually)

⇒1500=1000(1+[tex]\frac{0.13}{2}[/tex])^2t

⇒[tex]\frac{1500}{1000}[/tex]=(1.065)^2t

⇒1.5=(1.065)^2t

Taking log on both sides

㏒(1.5)=2t㏒(0.625)

⇒t=[tex]\frac{log(1.5)}{2log(0.625)}[/tex]

⇒t=3.219years≈3.22years

This is a case of Compound Interest.

It takes around 3.22 years for investment to grow to 1500$ from 1000$.

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Answer:

-----------------------

Initial number of sports team:

Number after new members joined:

60% of 150 members are men, number  of men is:

Number of women:

Number of newly joined women:

Perimeter of the rectangle:

Area of rectangle:

New dimensions:

New perimeter:

New area:

New perimeter is same as previous one but new area is smaller.