an airplane flies 3300 miles with the wind in 3 hours 18 minutes. it takes 4 hours and 24 mins to make the return flight against the same wind. find the speed of the airplane and the speed of the wind.

The maximum pounds of celery she can buy is  3.25 pounds.

1.5c = o equation 1

1.50o + 1.80c = 8.10 equation 2

Where:

o = pounds of onions

c = pounds of celery

How many pounds of celery can she buy?
Substitute for o in equation 2 using equation 1

1.50(1.50) + 1.80c = 8.10

2.25 + 1.80c = 8.10

1.80 = 8.10 - 2.25

1.80c = 5.85

c = 5.85 / 1.80

c = 3.25 pounds

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The factorization if the given expression 128 + 2d³ is 2(64 + d³).

128 + 2d³

There are two parameters in the expression;

The common factors between 128 and 2d³ is 2

So,

128 + 2d³

= 2(64 + d³)

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Answer:

35 degrees

Step-by-step explanation:

Given all 3 angles add up 180(Sum of angles in a straight line)

[tex]2x + 30 + 40 + 40 = 180 \\ 2x + 110 = 180 \\ 2x = 180 - 110 \\ 2x = 70 \\ x = 35deg[/tex]

[tex]\Large\maltese\underline{\textsf{A. What is Asked}}[/tex]

Solve for x in the diagram below.

[tex]\Large\maltese\underline{\textsf{B. This problem has been solved!}}[/tex]

Notice that all 3 of those angles together make a linear pair, or a [tex]\bf{180^\circ}[/tex] angle.

This is the key to solving this problem, because the sum of these angles is 180 degrees.

[tex]\bf{2x+30+40+40=180}[/tex] | arrange the like terms

[tex]\bf{2x+30=180-40-40}[/tex] | arrange the like terms

[tex]\bf{2x+30=100}[/tex] | subtract 30

[tex]\bf{2x=70}[/tex] | divide by 2

[tex]\bf{x=35}[/tex]

[tex]\cline{1-2}[/tex]

[tex]\bf{Result:}[/tex]

                    [tex]\bf{=m\angle x=35^\circ}[/tex]

[tex]\LARGE\boxed{\bf{aesthetics \not1\theta l}}[/tex]

The expression for hypotenuse is √4x^4 + y^4.

A theorem stating that the square of the length of the hypotenuse of a right triangle is equal to the sum of the squares of the lengths of the other sides.

Given:

one leg = 2x²- y²

another leg = 2xy

H² = (2x²- y²)² + (2xy)²

H² = 4x^4 + y^4 - 4x²y² + 4x²y²

H²= 4x^4 + y^4

H= √4x^4 + y^4

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Answer:

Step-by-step explanation:

7 = (y+2)/(x-1)

Parallel lines have equal slopes.

You can "massage" the form into any form you need.

Answer:

350

Step-by-step explanation:

Let,

 x = bench

 x + 35 = garden table

EQUATION:

   (x) + (x + 35) = 735

   2x = 735 - 35

   2x = 700

   x = 350

SUBSTITUTE:

  bench costs 350 and garden table costs 385

Hello!

Based on the info we have we can form 2 equations :

(Keep in mind x is the cost of the garden table and y is that of the bench)

Now substitute x in the first equation.

⇒ y + 35 + y = 735

⇒ 2y = 700

⇒ y = 350

∴ The cost of the bench is [tex]\fbox {350}[/tex]

The two expression 2(10x +15) and -5x ( x+6) are equivalent to given expression

Expressions are the mathematical statement consisting of variables , constants and mathematical operators .

The expression given is

-20x -30

-2(10x +15)

-20x -30

-5x ( x+6)

Therefore these two expression 2(10x +15) and -5x ( x+6) are equivalent to given expression.

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An equation is formed of two equal expressions. The number of questions that Lesley answered correctly is 20.

An equation is formed when two equal expressions are equated together with the help of an equal sign '='.

Let the number of correct questions answered be x, while the number of questions incorrectly answered be y.

The total number of questions can be written as,

x + y = 25

Solving the equation for y,

y = 25 - x

The total marks can be written as,

3x - 1y = 55

Substitute the value of y,

3x - 25 + x = 55

4x = 80

x = 20

Hence, the number of questions that Lesley answered correctly is 20.

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If the linear function has the domain (-2, -1, 0, 1, 2). Then the range of the function h(x) = 2x + 3 will be (-1, 1, 3, 5, 7).

The domain means all the possible values of x and the range means all the possible values of y.

The function is given as

h(x) = 2x + 3

The linear function has the domain (-2, -1, 0, 1, 2).

For x = -2

h(-2) = 2 (-2) + 3

h(-2) = -1

For x = -1

h(-1) = 2 (-1) + 3

h(-1) = 1

For x = 0

h(0) = 2 (0) + 3

h(0) = 3

For x = 1

h(1) = 2 (1) + 3

h(1) = 5

For x = 2

h(2) = 2 (2) + 3

h(2) = 7

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Answer:

4.66666666667

Step-by-step explanation:

Answer:

Step-by-step explanation:10 1/2÷ 2 1/4

solution:

=20/2 ÷ 8/4

= 10 ÷

=5

The expression that is equivalent to  Balin's expression is 5/6 x 1/10.

Division is the mathematical operation that is used to determine the quotient of a number.

In order to determine the distance ran by each member, divide the total distance ran by the total number of people.

5/6 ÷ 10

5/6 x 1/10

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The expression is equivalent to Balin’s expression is StartFraction 5 Over 6 EndFraction divided by 10

Distance each member ran = Combined distance ÷ Number of Balin’s soccer team

= 5/6 ÷ 10

= 5/6 × 1/10

= 5/60

= 1/12 mile

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On the number line, -2 is not shaded and moving left to show that x is less than -2 but shaded on -6 moving right to show that x is greater than or equals to -6.

Interval Notation: [ -6, -2 ]

An inequality has an infinitely number of solution, the solution set is easily described using interval notation.

Given the set of inequality { x| -6 ≤ x < - 2}

This can easily be written in the form of interval notation as;

[ -6, -2 ]

On the number line, -2 is not shaded and moving left to show that x is less than -2 but shaded on -6 moving right to show that x is greater than or equals to -6.

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Answer:

Step-by-step explanation:

Givens

x2 = 4

x1 = 3

y2 = 2

y1 = 6

Formula

distance = sqrt(  (x2 - x1)^2 + (y2 - y1)^2)   )

Solution

distance = sqrt(  (4 - 3)^2 + (2 - 6)^2 )

distance = sqrt( 1^2 + 4^2)

distance = sqrt (17)

Answer

D

What is the distance between the points (3, 6) and (4, 2)?

Select the best answer from the choices provided.

Answer is: ∅ D. √17

Formula:

Distance (d) Square roots (sqrt) ( x 2 - x 1 )² + ( y2 - y1 )²

d = sqrt ( 4 - 3 )² + ( 2 - 6 )²

d = sqrt ( 1² + 4² )

d = sqrt ( 17 ) 1^2 + 4^2 = 17

CarryOnLearning <(￣︶￣)>

The exact value of sin θ  and cos θ  is: sinθ =(√105)/19 and cosθ =16/19

The terminal side of an angle is the angle at the standard position. The terminal side of an angle θ drawn in angle standard position is the side which isn't the initial side.

Given that the point of intersection of the terminal side of θ an the unit circle is:

(16/19,y)

The exact value of sin θ  and cos θ  is: sinθ =(√105)/19 and cosθ =16/19

The given parameters is represented by:

(16/19,y)

This means that :

(cosθ ,sinθ )=(16/19,y)

Using the following trigonometric identity:

cos²θ +sinθ =1

We have:

(16/19)²+y²=1

Expand fraction:

(256/361)+y²=1

Collect like terms:

y²=1-(256/361)

Take LCM:

y²=(361-256)/361

y²=105/361

Take square roots

y=(√105)/19

Substitute value for y in

(cosθ ,sinθ )=(16/19,y)

By comparison:

cosθ =16/19

sinθ =(√105)/19

So the exact value of sin θ  and cos θ  is: sinθ =(√105)/19 and cosθ =16/19

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Answer:

6,569 pounds

Step-by-step explanation:

Ton= 2,000 pounds each

Therefore, 3 x 2,000 (pounds) = 6,000(pounds). You can use a shortcut by multiplying 3 x 2 and adding the three zeros at the end. 6,000 pounds + 569 pounds will result in 6, 569 pounds.

Answer:

2x² + 6x + 20

Step-by-step explanation:

See the picture

The best representation for the point I is that Chana's distance from the starting line at a time when she is behind Josiah.

The point I is the distance of Chana at a particular point in time. This distance is the line a.

At point a, the speed is more so below it, it shows a speed that is less than the distance which Josiah has covered.

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The margin of error is ±2%

A margin of error is a statistical measurement that accounts for the difference between actual and projected results in a random survey sample.

Let x be margin of error and y be the percentages of the population.  

So,

y-x =33%

y +x = 37%

Solving above equations

2y= 70

y= 35%

and x= 2%

Hence, the margin of error is ±2%.

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Answer:

It is cosine theorem

Step-by-step explanation:

It is cosine theorem.

Answer:

first H(8)= 2×8+1=16+1=17

and G(17)= 4×17-5=68-5=63

Answer:

y= -2x+2.

Step-by-step explanation:

1) according to the condition interception is '2' (point (0;2));

2) slope is: (2+4)/(0-3)= -2;

3) finally the required equation is: y=-2x+2.

P.S. the suggested option is not the only one.

Answer:

2

Step-by-step explanation:

The first table represents the linear function.

The slope of the line is the ratio of the rise to the run, or rise divided by the run. It describes the steepness of line in the coordinate plane.

The slope intercept form of a line is y=mx+b, where m is slope and b is the y intercept.

The slope of line passing through two points (x₁, y₁) and (x₂, y₂) is

m=y₂-y₁/x₂-x₁

The first table represents a linear function because the slope remains constant through out the function

Hence, the first table represents the linear function.

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Using the Empirical Rule, the interval that contains 68% of the scores is [81.5, 90.5].

It states that, for a normally distributed random variable:

68% of the scores are within 1 standard deviation of the mean, hence the bounds of the interval are:

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A histogram with frequency on the x-axis and ages on the y-axis is shown below. Then the correct option is A.

A diagram is made up of rectangles whose size is related to a variable's frequency and whose width is comparable to the training sample.

A large construction company wants to review the ages of its sales representatives.

A sampling of the ages of 25 sales reps are given:

50, 42, 32, 35, 41, 44, 24, 46, 31, 47, 36, 32, 30, 44, 22, 47, 31, 56, 28, 37, 49, 28, 42, 38, 45.

Then the histogram with frequency table is given as

 Range                Frequency

20 to 24                      2

25 to 29                      2

30 to 34                      5

35 to 39                      4

40 to 44                      5

45 to 49                      5

50 to 54                      1

55 to 59                      1

Then the correct option is A.

The histogram is given below.

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Final answer:

Height of volcano above sea level is 4205m.

Step-by-step explanation:

Step 1

Height of volcano below sea level: 5998m

Step 2

Total height of volcano below and above sea level:

10203m

Step 3

Subtract height of volcano below sea level from total height of volcano to get height of volcano above sea level:

10203 - 5998

Step 4

Subtract the terms:

10203 - 5998 = 4205

Answer:

184 m²

Step-by-step explanation:

lateral area of a prism = perimeter of base × height

A = 2(14 m + 9m) × 4 m

A = 184 m²

Step-by-step explanation:

Well since it cost 6$ and the price was 0.36 you can calculate how many gallons you needed to fill up your tank which is calculated by dividing the price to fill the gas tank by the price per gallon

6/0.36 = 16.667 gallons

Now multiply the amount of gallons you need to fill your gas tank by the price in 2010

16.667 * 2.84 = 47.36

You could also just look at the price as a percentage relative to 1970 prices and see that the price increased by 788.9% and the find what 788.9% is of 6$. Which can be done by dividing 788.9 by 100 to convert it into decimal form which gives you 7.889 and then multiply that by the original price of 6$ to fill your gallon to get 47.33 which is slightly different although this is likely due to rounding.

Answer:

y=⅔m-8 or 3y=2m-8

Step-by-step explanation:

put both equations in the form y=mx+c and solve simultaneously. when done, you will recive values for m and c. replace those values into y=mx+c

Answer: (-∞,∞)

Step-by-step explanation:

f(x)=4x+19

g(x)=12x+14

f + g=  4x +19 + 12x + 14 = 16x + 33

Domain of 16x + 33 = (-∞,∞)