5f+2h=100
Solve for F

The k has interval notation(7,13).

Given that 5< k-2<11

Remove all of the teams from the inequality's center that don't contain k.

Inequality, A declaration of an order relationship between two numbers or algebraic expressions, such as greater than, greater than or equal to, less than, or less than or equal to.

So, 5+2<k<11+2

7<k<13

Therefore, The interval notation for k is (7,13).

Equations in mathematics are not always balanced on both sides using a 'equal to' symbol. Sometimes it's a 'not equal to' relationship, as though something is more than or less than the other. In mathematics, an inequality is a relationship that results from a non-equal comparison of two numbers or other mathematical expressions. Inequalities are mathematical expressions that fall within the category of algebra.

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Answer:

1.  x^-3

2. b^7

Step-by-step explanation:

I am pretty sure those are the answers. I'm not 100%

Answer:

false

Step-by-step explanation:

Answer:

True

Step-by-step explanation:

to determine if (9, 10 ) is a solution, substitute x = 9 into the equation and if y = 10 then it is a solution.

y = 2(9) - 8 = 18 - 8 = 10

then (9, 10 ) is a solution of the equation

Answer:

22 - 4x

Step-by-step explanation:

4(3-x) + 10  Distribute the 4

4(3) - 4x +10

12 - 4x +10

22 - 4x

Answer:

The slope is 4

Step-by-step explanation:

This equation is in slope intercept form

y = mx+b

where m is the slope and b is the y intercept

y = 4x-7

The slope is 4 and the y intercept is -7

Lisa bowling score is 100.

John bowling score is 282.

What is linear expression?

A linear expression is an algebraic statement where each term is either a constant or a variable raised to the first power.

Given that;

Lisa and John are bowling.

Johns score is three times the difference of Lisa's score and 6.

The sum of their scores is 382.

Now, Let Lisa bowling score = x

Then, John bowling score = 3 (x - 6)

Since, The sum of their scores is 382.

Hence,

x + 3 ( x - 6 ) = 382

After solving,

x + 3x - 18 = 382

4x = 382 + 18

4x = 400

x = 100

Hence, Lisa bowling score = x = 100

And, John bowling score = 3 (x - 6)

                                       = 3 (100 - 6)

                                       = 3 × 94

                                       = 282

Therefore, Lisa bowling score is 100.

And, John bowling score is 282.

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Based on the number of movies that each of the 8 students saw in the past year, the mean number of movies is 12.875 movies

To find the mean of a distribution of numbers such as the number of movies seen in the past year, sum up the number of movies watched and then divide it by the number of students.

The mean number of movies watched by the students is therefore:

= Sum of movies watched / Number of students

= (6 + 14 + 14 + 16 + 14 + 18 + 15 + 6) / 8 students

= 103 / 8

= 12.875 movies

Rest of the question is:

Find the mean number of movies that the students saw.

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Answer:

AC = 15

AB = 3

BC = 12

Step-by-step explanation:

AB + BC = AC

3x + (4x + 8) = 5x + 10

3x + 4x - 5x = 10 - 8

2x = 2

x = 1

AC = 5x + 10 = 5(1) + 10 = 15

AB = 3x = 3

Bc = 4x + 8 = 12

The slope of the line passing through the given points is 0.4 or 2/5.

From the table given below, we have (2, 23) and (5, 24.3).

Use the slope formula to find the slope of a line given the coordinates of two points on the line. The slope formula is m=(y2-y1)/(x2-x1), or the change in the y-values over the change in the x-values.

Put the points (2, 23) and (5, 24.3) in the slope formula and find the slope.

That is, m=(24.3-23)/(5-2)

=1.3/3

=0.4

=4/10 = 2/5

Put m=2/5 and the coordinate points (2, 23) in y=mx+c.

That is, 23=2/5 (2)+c

⇒23 - 4/5 =c

⇒111/5 = c

⇒ c=22.2

Now, equation is y=0.4m+22.2

Therefore, the slope of the line passing through the given points is 0.4 or 2/5.

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The computation shows that the time will be 11:05 am.

The friends entered the amusement park at 10:05 AM, the wait time it took 35 minutes to ride the FLIP-A-Trip and it took 23 minutes to ride the Slippery Slope.

Therefore, the time will be:

= 10.05 + 35 + 25

= 10:05 + 60 minutes

= 10:05 + 1

= 11:05

.It should be noted that 60 minutes= 1 hour. Therefore, you'll add 1 hour to the original time.

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The relative frequency of adults who are engaging in less than the minimum amount of recommended moderate-intensity physical activity weekly is 92.16%.

The term 'relative' refers to an event that is being thought of in relation to or in proportion to another event.

As, per the given question.

The minimum standard for moderate-intensity aerobic activity weekly is 150 min.

All the values which are less than 150 min will be considered as the below specified standard for moderate-intensity aerobic activity.

The relative frequency for 0 - 49 min is 47.54%.

The relative frequency for 50 - 99 min is 32.77%.

The relative frequency for 99 - 149 min is 11.85%.

Thus, the cumulative of all relative frequencies will be;

= 47.54% + 32.77% + 11.85%

= 92.17%

Therefore, the percentage of adults who get less than the recommended amount of moderate-intensity physical activity per week is 92.16%.

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The complete question is -

The center for disease control and prevention (cdc) states that adults should engage in at least 75 min of vigorous-intensity aerobic activity or 150 min of moderate-intensity aerobic activity weekly. researchers gathered data from a random sample of adults who participated in the 2011–2012 national health and nutrition examination survey (nhanes).

What is the relative frequency of adults who are engaging in less than the minimum amount of recommended moderate-intensity physical activity weekly (less than 150 min)? Give your answer to two decimal places.

If we share $60 in the ratio 3:1, then each person will get is $45 and $15 respectively

Given,

The total amount = $60

The ratio = 3:1

Then the amount given to first person = 3x

The amount given to the second person = x

Given that the total amount is 60

Then  the equation will become

x+3x=60

4x=60

x=[tex]\frac{60}{4}[/tex]

x=15

The amount given to the first person = 3x

Substitute the value of x in the equation

The amount given to the first person =3x

=3×15

= $45

The amount given to the second person =x

= $15

Hence, if we share $60 in the ratio 3:1, then each person will get is $45 and $15 respectively

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Answer:

Step-by-step explanation:

Convert 576 from base 10 to following bases:

first of all  convert 576 from base 10 to base 2 we got this

1001000000_2

now  then convert  576 from base 10 to base 3 we got this

210100_3

now then convert 576 from base 10 to base 4 we got this

21000_4

now then convert 576 from base 10 to base 5 we got this

4301_5

now then convert 576 from base 10 to base 6 we got this

2400_6

now then convert  576 from base 10 to base 7 we got this

1452_7

now then convert 576 from base 10 to base 8 we got this

1100_8

now then convert 576 from base 10 to base 9

710_9

Only in base 5 does it end in 1.

referred by  www.web2.0calc.com

So only in base 5 does it end in final digit of 1.

A Binary operation can be considered as a function whose input is two elements of the same set S and whose output also is an element of S. S . Two elements a and b of S can be written as a pair (a, b) of elements in S.

So first of all convert 576 from base 10 to following bases:

first of all  convert 576 from base 10 to base 2 we will get this 1001000000_2

Then convert  576 from base 10 to base 3 we will get this 210100_3

Then convert 576 from base 10 to base 4 we will get this 21000_4

Then convert 576 from base 10 to base 5 we will get this 4301_5

Then convert 576 from base 10 to base 6 we will get this 2400_6

Then convert  576 from base 10 to base 7 we will get this 1452_7

Then convert 576 from base 10 to base 8 we will get this 1100_8

Then convert 576 from base 10 to base 9 we will get this 710_9

Therefore only in base 5 does it end in final digit of 1.

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Answer: 1

Step-by-step explanation:

Answer:

1

Step-by-step explanation:

it's the fourth number in the sequence

Answer: x=1

Step-by-step explanation:

2(8x-4y=7)

  3x+6y=12

16x-6y=7

3x+6y=12

19x/19 = 19/19

x=1

Step-by-step explanation:

8x-4y=7 3x+6y=12

8x-3x=7 4y+6y=12

5x=7 10y=12.

Answer:

(M U C) ∩ V = {3, 5}

Subsets: { }, {3}, {5}, {3, 5}

Step-by-step explanation:

M = {2, 3, 4, 5}

C = {4, 6, 8, 10}

V = {3, 5, 7, 9}

(M U C) ∩ V =

= ( {2, 3, 4, 5} U {4, 6, 8, 10} ) ∩ {3, 5, 7, 9}

= {2, 3, 4, 5, 6, 8, 10} ∩ {3, 5, 7, 9}

= {3, 5}

Subsets: { }, {3}, {5}, {3, 5}

Answer:

U = 4

Step-by-step explanation:

We take 3/9 and simplify it, making 1/3.

We multiply both by 12 to eliminate denominators, so the new numbers are 4 and U.

U = 4

The area of the shaded region based on the information will be 201cm².

It should be noted that the radius of the outer circle will be:

= Diameter / 2

= (8 + 8 + 4 + 4)/2

= 24 / 2

= 12cm

The area of the circle = πr²

= 3.14 × 12²

= 3.14 × 144

= 452.16 cm²

The area of the circle with radius 8cm = 200.96 cm²

The area of the circle with radius 4cm =50.24cm².

The area of the shaded region:

= 452.16 - 200.96 - 50.24

= 200.96 cm²

Therefore, the area of the shaded region based on the information will be 201cm².

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Answer:

A) The percentage of the bacteria increasing each hour is 15% per hour

B) When t=0 the population of bacteria is 3000 bacteria

C) After 24 hours the a sensible degree of accuracy in population is about 85875 (since only whole numbers count)

Step-by-step explanation:

A) To find the percentage of the bacteria increasing each hour the growth rate needs to be determined. To find it you need to subtract 1.15 by since the formula for exponential growth is a(1+r)^t one is added to the rate so to inverse it 1.15 needs to be subtractied by one to get 0.15. At this point you found the decimal rate to find the percentage you multiply 0.15 by 100 to make it a whole number and it results in 15%

B) To determine the size if the population when t=0 you substitute the variables t for 0 to get 3000×1.15^0 to get 3000 (remember anything times 0 is 0). Another way is to keep in mind that 3000 is the initial amount because that's the number with no variable with it.

C) To find the population after 24 hours substitute t for 24. After substituting t and multiplying 3000×1.15^24 the exact answer is 85875.52857. To find the answer in a sensible degree of accuracy you would round it to the nearest whole number which is 85876 since the dight in the tenths place is 5 or greater than the answer is rounded up by one.

Answer: 1.75 minutes

Step-by-step explanation:

6 gallons per minute.

14.5-4=10.5

10.5/6=1.75 minutes

Answer: 117in^3

Step-by-step explanation:

Answer:

2

Step-by-step explanation:

2 ^ 9 is already way more than 82 so yea it has to be 2

Answer:

√15, -14, 20.151155111555...

Step-by-step explanation:

it's a square root (not perfect), negative, and never ending decimal

Answer:

It would have to be [tex]\sqrt{15}[/tex].

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Hope this helps!

Have a great day and God bless! :)

(a) Using the distributive property ( x + 7 )² is equal to x² + 14x + 49.

(b) When x = 3, the expressions  ( x + 7 )² and x² + 14x + 49 are equal.

Consider the expression ( x + 7 ),

Now when we square the expression we get,

( x + 7 )²  = ( x + 7 ) ( x + 7 )

Using the distributive property,

( x + 7 )²  = x( x + 7 ) + 7( x + 7 )

Again by using distributive property,

( x + 7 )²  = x² + 7x + 7x + 49

( x + 7 )²  = x² + 14x + 49

(b) For the expressions ( x + 7 )² and x² + 14x + 49,

When x = 3,

( x + 7 )² = ( 3 + 7 )²

( x + 7 )² = 10²

(x + 7 )² = 100

When x = 3,

x² + 14x + 49 = 3² + 14 × 3 + 49

x² + 14x + 49 = 9 + 42 + 49

x² + 14x + 49 = 100

Hence, the expressions (x+7)² and  x² + 14x + 49 are equal when x = 3.

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Step-by-step explanation:

once we know what the domain and the range of a function is, this is very simple.

the domain is the interval or set of all valid x (input) values.

the game is the interval or set of all valid y (function result) values.

so, what are all the valid x values ? that means for how many months of collection can we use this function to see how many figurines he has ?

well, we can stay with 0 (what he currently has) and go up to 5 (because after 5 months he does not want to continue this behavior).

so, the domain is

0 <= x <= 5 if we allow also fractions of months as input (if this makes sense)

or

x € {0, 1, 2, 3, 4, 5} if we allow only whole numbers.

and the range ? what are the possible result values of the function ?

for x = 0 it starts with y (or f(x)) = 100.

x = 1 gives us 100 + 3×1 = 103

x = 2 gives us 100 + 3×2 = 106

x = 3, 100 + 3×3 = 109

x = 4, 100 + 3×4 = 112

x = 5, 100 + 3×5 = 115

so, the range is

100 <= y <= 115 if we allow fractions of months

or

y = f(x) € {100, 103, 106, 109, 112, 115} if we allow only whole months as values of x.

The solution of the given equations is x=-7 and x=3.

The given equation is x² + 5x - 12 = | x + 3| + 7.

A solution is an assignment of values to the unknown variables that makes the equality in the equation true. In other words, a solution is a value or a collection of values such that, when substituted for the unknowns, the equation becomes an equality.

Now, x² + 5x - 12 = | x + 3| + 7 can be rewritten as

x² + 5x - 12 = x + 3 + 7

⇒x² + 5x - 12 = x+10

⇒x² + 5x - 12 -x - 10=0

⇒x² +4x -22 =0

From the obtained graph, the solution of equations is x=-7 and x=3.

Therefore, the solution of the given equations is x=-7 and x=3.

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The simplified form of the expression is equivalent to 3c - 19

An algebraic expression is an expression which is made up of variables and constants, along with algebraic operations such as the addition, subtraction, division and multiplication.

Given the expression below;

2 (1.5c - 2.5) + 7 + 17

Expand

2(1.5c) - 2(2.5) + 7+ 17

3.0c - 5.0 + 24

3c - 19

Hence the simplified form of the expression is equivalent to 3c - 19

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The first, second, and third numbers are 11, 80, and 20 respectively.

Determine the known quantities and designate the unknown quantity as a variable while trying to set up or construct a linear equation to fit a real-world application.

In other words, an equation is a set of variables that are constrained through a situation or case.

Let's say the first number is a second is b and the third one is c

Now,

The sum of the three numbers is 111

So,

a + b + c = 111

The first number is 9 less than the third

So.

a = c - 9

And the second number is 4 times third

So,

b = 4c

By substitution,

c - 9 + 4c + c = 111

c = 20

b = 4(20) = 80

a = 20 - 9 = 11

Hence "The first, second, and third numbers are 11, 80, and 20 respectively".

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The given question are incomplete , complete question is ;

The sum of the three numbers is 111. the first number is 9 less than the third. the second number is 4 times the third. what are the numbers?

The length of the new garage will be approximately 8.83 meters.

The length is referred as the side of a rectangle or a square. Ideally we use length to measure the larger side of a rectangle, but for a square all sides are equal and so can be called length.

The are of a square is given by the square of any side .

Given the area of the square is 52 square meters.

The new are of the square is 50% more.

Increased amount =  50% of 52 = 26 meters²

New area of square = 52 + 26 meters² = 78 meters²

Now we know that the area of a square is given by (side)² .

Therefore  (side)²= 78

or, side = √78

or, side = 8.8317...

or, side ≈ 8.83 meters

Therefore the length of the new garage is approximately 8.83 meters.

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