I need help asap!! (Measurement)
Thank you to the people who’ve helped me :)

Value of a and b that completes the mapping diagram will be a=0 and b=1

• Mapping diagram simply means a function that has a special type of relation where the elements of the domain are paired with that of the range.

• Mapping diagram consists of two parallel columns, the first column depicts the domain of the function whereas the second column depicts the range.

• Lines are drawn from first column to second column i.e. from domain to range, to represent the relation between 2 elements.

• Mapping is quite similar to making a flowchart, showing input and output values.

• Point to be noted that every mapping is a relation but every relation is not a mapping.

Value of a and b that completes the mapping diagram will be a=0 and b=1

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Answer: A = 0, and B = 1.

Step-by-step explanation: I put 0, and 1, and it was the perfect answer.

3 full shifts of 3/4 hour and 1 half shift of 3/4 hour

Shift work is an employment strategy intended to utilize or give service during each of the seven days of the week's full 24 hours. The day is often divided into shifts, predetermined times when various groups of workers carry out their tasks.

Total work hours = 2.625 hours

Each shift = 0.75 hr

Number of shifts = Total work hours / Each shift

                            = 2.625 / 0.75

                            = 3.5

Therefore, He worked three full shifts of three hours each and one half-shift of three hours.

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Answer:

x= -6

Step-by-step explanation:

[tex]x-3(\frac{2}{3}x+3)=3(\frac{-3}{2}+1)-\frac{3}{2}\\\\x-2x-9=\frac{-9}{2}+3-\frac{3}{2}\\\\clear fraction\\\\2x-4x-18=-9+6-3\\\\-2x-18=-6\\\\-2x=12\\\\x=-6[/tex]

The new length of the string that Ed have now is  16.25 feet.

Fraction is some part of a total quantity.

Ed has a kite and a string of length[tex]7\frac{3}{4}[/tex] feet which is = [tex]\frac{31}{4}[/tex] feet.

He wants to extend the sting length so he added another 8.5 feet which is

= [tex]\frac{17}{2}[/tex] feet.

∴ The total length of the string will become

(31/4) + (17/2) feet.

= (31 + 34)/4 feet.

= 65/4 feet.

= 16.25 feet.

So, after he extended his string it has a length of 16.25 feet.

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Answer:

To find the new length of the string, we need to add the length of the new piece of string to the existing length.

The current string length is 7 and 3/4 feet. This can be written as a mixed number, 7 + 3/4 = 7 3/4.

The new piece of string measures 8.5 feet.

To add these two lengths, we can convert the mixed number to an improper fraction and then add the fractions together.

7 3/4 can be converted to an improper fraction as (7 * 4 + 3) / 4 = 31/4.

Now we can add the fractions:

31/4 + 8.5 = (31/4) + (8.5 * 4/4) = 31/4 + 34/4 = 65/4

To simplify the fraction, we can divide the numerator (65) by the denominator (4) to get the whole number part and the remainder.

65 ÷ 4 = 16 remainder 1

So the new length of the string is 16 1/4 feet.

Therefore, the new length of the string is 16 and 1/4 feet.

Step-by-step explanation:

45,000 square feet  is the largest area that can be enclosed.

What is rectangle?

The largest area will always be a square.

600/4=150 feet on each side but one side is not needed

put this 150 feet not needed with the opposite 150 feet to get 300 feet

you have a rectangle 150 by 300 by 150 by the river

         = 150 * 300 =  45,000 square feet

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The complete question is -

You have 600 feet of fencing to enclose a rectangular plot that borders on a river. If you do not fence the side along the river, find the length and the width of the plot that will maximize the area. What is the largest area that can be enclosed?

Answer:

[tex]\frac{31}{33}[/tex]

Step-by-step explanation:

You need a common denominator to add.  The smallest number that is divisible by both 11 and 3 is 33.  Rewrite both fractions with a denominator of 33

[tex]\frac{3}{11}[/tex] x [tex]\frac{3}{3}[/tex]         [tex]\frac{3}{3}[/tex] is just another name for 1.  We are making an equivalent fraction.  Multiple 3 x3 for the top and 11 x 3 for the bottom to get:

[tex]\frac{9}{33}[/tex]

Do the same for [tex]\frac{2}{3}[/tex]

[tex]\frac{2}{3}[/tex] x [tex]\frac{11}{11}[/tex]       [tex]\frac{11}{11}[/tex] is just another name for 1.  We are making an equivalent fraction.  Multiple 2 x 11 for the top and 3 x 11 for the bottom to get:

[tex]\frac{22}{33}[/tex]

Now add these two fractions together:

[tex]\frac{9}{33}[/tex] + [tex]\frac{22}{33}[/tex] = [tex]\frac{31}{33}[/tex]

The possibility that experimental results are due to chance, or some factor other than the experimental variable, is measured by the Probability Value.

Probability value, also called P-value, is defined as:

Under the premise that the null hypothesis is true, the p-value is the likelihood that test findings will be at least as extreme as the result actually observed.

Now,

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Answer:

The answer is 47.5 because in my math exam i got 47.5 in 50

By rationalization and algebra properties, the irrational expression 7√3 / (√10 + √3) - 2√5 / (√6 + √5) - 3√2 / (√15 + 3√2) is equivalent to the integer 1.

In this question we find a composite irrational expression formed by a irrational fraction being subtracted by other two irrational fraction. Eliminating the irrational denominators by transforming it into rational numbers is an important step for this question, this can be done by means of rationalization, along with algebra properties.

The complete procedure of this exercise is shown below:

7√3 / (√10 + √3) - 2√5 / (√6 + √5) - 3√2 / (√15 + 3√2)

[7√3 · (√10 - √3)] / [(√10 + √3) · (√10 - √3)] - [2√5 · (√6 - √5)] / [(√6 + √5) · (√6 - √5)] - [3√2 · (√15 - 3√2)] / [(√15 + 3√2) · (√15 - 3√2)]

(7√30 - 21) / 7 - (2√30 - 10) - (3√30 - 18) / (- 3)

(7√30 - 21) / 7 + (10 - 2√30) + (3√30 - 18) / 3

(7√30 - 21 + 70 - 14√30) / 7 + (3√30 - 18) / 3

(49 - 7√30) / 7 + (3√30 - 18) / 3

(147 - 21√30 + 21√30 - 126) / 21

21 / 21

1

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Answer:

yes

Step-by-step explanation:

√225 + √196

15 + 14

29

29 can be written as 29/1 thus 29 is a rational number

An equation to show the relationship between the cost, c, and the gallons of gasoline, g is; c = 4g

The general form of a linear equation in slope intercept form is;

y = mx + c

where;

m is slope

c is y-intercept

We are told that the cost of 5 gallons of gasoline is $20. Thus, the cost of one gallon of gasoline = 20/5 = $4 per gallons

Therefore if he cost is c, and the gallons of gasoline is denoted by g, then the formula to find the cost with these letters is;

c = 4g

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The solution to the system of equation is -7/2 and 1

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 quadratic equation below;

(2x-1)(x+3)=4

Expand

2x^2+6x-x-3 = 4

2x^2+5x-3-4=0

2x^2+5x-7=0

2x^2-2x+7x-7=0

2x(x-1)+7(x-1) = 0

2x+7 = 0 and x - 1 = 0

x = -7/2 and x = 1

Hence the solution to the system of equation is -7/2 and 1

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Answer:

Step-by-step explanation:

because the y points are the same, you'd only have to worry about the x points on the coordinate plane. assuming each unit equals 1 count the distance between  points a and b or 11 to 4, which would be 7.

3230 Kilograms of the soil supplement are required for the entire Vineyard.

Some units that need to be recalled are as follows:

1 km = 1000 m

1 km^2 = 1000000 m^2

1 km^2 = 247 acres

1 kg = 1000 g

Let's tackle the problem now:

A vineyard has 145 acres of Chardonnay grapes.

145 acres = [tex]\frac{145}{247}[/tex]× 1 km^2

145 acres = 145/247 km^2

145 acres ~ 0.587 km^2

A particular soil supplement requires 5.50 grams for every square meter of vineyard

1m^2 → 5.50 gram

1 km^2 = 10^6 →5.50 x 10^6 gram

1 km^2 →5.50 x 10^6 x 10^-3 kg

1 km^2 →5.50 x 10^3 kg

145 acres = 145/247 km^2 →145/247 x 5.50 x 10^3 kg

145 acres → 797500/247 kg

145 acres → 3230 kg

It required 797500/247 kg ~ 3230 kg of the soil supplement for the entire Vineyard.

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Answer: y=3

Step-by-step explanation:

Slope formula: m=(y2-y1)/(x2-x1)

3/4=(y2-y)/(x2-x1)

3/4=(-3-y)/(-1-7)

3/4=(-3-y)/(-8)

(3/4=(-3-y)/(-8))*(-1) ==> Negate the equation to remove the negative denominator

-3/4=(-3-y)/8

8*(-3/4)=(-3-y)/8 * 8

8*(-3/4)=(-3-y)/8 * 8

-24/4=-3-y

-3-y=-6

-3+3-y=-6+3

-y=-3

y=3

The constant percent rate of change is of 4%

Using compound interest, it is found that the constant percent rate of change is of 4%.

The formula for an amount of money invested into compound interest is given by:

[tex]A(t) = A(0)(1+r)^{t}[/tex]

In which:

A(t) is the amount after t years.

A(0) is the initial amount.

r is the constant percent rate of change.

t is the time.

The function is:

[tex]g(x)=300(1.04)^{x}[/tex]

Thus, for the constant percent rate of change:

1+r = 1.04;

r = 0.04;

0.04 × 100% = 4%

The constant percent rate of change is of 4%.

An annual percentage rate is expressed as an hobby charge. It calculates what percentage of the major you will pay every year by using taking things inclusive of month-to-month bills under consideration. APR is also the annual rate of interest paid on investments without accounting for the compounding of interest within that year.

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Answer:

(C)  [300, ∞)

Step-by-step explanation:

Got it right on my quiz.

So, Part A:

By employing the sines law,

So,

Now, Part B:

Area of the mainsail:

Therefore, the answers to both parts are:

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The complete question is given below:

A sailmaker is designing a mainsail for a newly constructed sailboat. The mainsail foot is 13 feet long, the luff is 10 feet long, and the luff makes a 50° angle at the head with the leach.

Part A: Determine the length of the leach.

Part B: Find the area of the mainsail.

PLS HELP :) 50 POINTS!!!

The value of the expressions will be:

1. -13.

2. 4

3. -9

4. 27

5. 0

It should be noted that this is an expression. In this case:

minus × minus = plus

plus × minus = minus

1. (-15) - (-2)

= -15 + 2

= -13

2. (-3( - (-7)

= -3 + 7

= 4

3. 4 - 13

= -9

4. 5 - (-22)

= 5 + 22

= 27

5. (-15) - (-15)

= -15 + 15.

= 0

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Answer:

The answer to your first question would be B. The answer to the second is C.

Step-by-step explanation:

Hope it helps! =D

Raheem's monthly payment given that he paid no additional fees is $78.75

Monthly payment refers to the amount of money paid by a person every month over a period of time.

Amount remaining after down payment = Total cost of HDTV - Down payment

= $880.00 - $250.00

= $630.00

Amount to pay each month = Amount remaining after down payment / Number of months to make equal payment

= $630.00 / 8

= $78.75

In conclusion, the amount Raheem will pay monthly for a period of 8 months if he paid no additional fees is $78.75

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The equation of the parabola that models the situation is given by:

(x - 1)² = -16(y - 5).

The equation of a quadratic function, of vertex (h,k), is given by:

(x - h)² = 4p(y - k).

The focus is located at point (h, k + p).

For this problem, to find the values of the parameters h and k, we have that:

Hence:

h = 1, k = 5.

And:

(x - 1)² = 4p(y - 5).

For the focus, and subsequently to find parameter p, we have that:

Hence:

k + p = 1.

5 + p = 1

p = -4.

Then the equation of the parabola that models this situation is given by:

(x - 1)² = 4p(y - 5).

(x - 1)² = 4(-4)(y - 5).

(x - 1)² = -16(y - 5).

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24 seconds faster time of your personal best after 200 yards.

What in mathematics is a linear equation?

Suppose the number of laps = m

According to the question, each lap of 25 yards is covered 3 seconds faster than the previous one, so the series become

x , x-3 , x-6 , x-9, ............................

25 * m = 200

m = 200/25

m = 8

As m is the number of laps, and each lap is 3 second faster.

So 8 laps will be 8*3 = 24 seconds faster.

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The length of each side of the given tilted square is √41 units.

The formula to find the area of a square is;

Area = x²

Where x is the side length of the square.

Thus;

x = √41

Now, since all sides of a square are always equal, we can easily say that the length of each side of the given tilted square is √41 units.

Thus, our conclusion is that the length of each side of the given tilted square is √41 units.

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Answer:

this doesn't make sense cuz 15 have red 21 have black and that's 36 kids but the title says there is 21 kids in all ?

Step-by-step explanation:

The different answer is 4 and the same answer is 10.

Answer:

Step-by-step explanation:

74 caps

Answer: 4/25

Step-by-step explanation:

[tex](\frac{2}{5}) ^2=\frac{2}{5}\times\frac{2}{5}=\large\boxed{\frac{4}{25} }[/tex]