Find the exact value

please attached is your answer

Answer:

113 inches^2

Step-by-step explanation:

Answer:

  44.1 cm

Step-by-step explanation:

In order to find the length of side "a", you need to know the measure of angle A. That is found by making use of the fact that the sum of angles in a triangle is 180°.

  102° + 28° + A = 180°

  A = 180° -130° = 50°

Now, you can fill in the given information in the given equation and solve for "a":

  sin(A)/a = sin(B)/b

  sin(50°)/a = sin(28°)/(27 cm)

Multiplying by a(27 cm) gives ...

  sin(50°)(27 cm) = a·sin(28°)

Dividing by the coefficient of "a", we get ...

  a = (27 cm)sin(50°)/sin(28°) ≈ 44.0563 cm

Rounded to the nearest tenth, this is ...

  a ≈ 44.1 cm

_____

Since we're looking for a side length (not an angle), I prefer to write the Law of Sines formula "upside down" from that shown:

  a/sin(A) = b/sin(B) = c/sin(C)

Then it is one step to get to ...

  a = b·sin(A)/sin(B) . . . . . . multiply by sin(A)

Answer:

W = 415

Step-by-step explanation:

Is means equals and of means multiply

W = 125% * 332

Change to decimal form

W = 1.25 *332

W = 415

Answer:

  C(n, 2)a^(n-2)b^2

Step-by-step explanation:

Generally, the expansion is written in decreasing powers of "a", so the first few terms would have variable constellations that look like ...

  a^n, a^(n-1)b, a^(n-2)b^2, ...

The coefficients would be (in order), C(n, k) for k increasing from 0, so the coefficient of the 3rd term would be C(n, 2).

Answer:

• The function is a linear function

• The function changes at a constant rate

Step-by-step explanation:

A graph of the function shows it to be a straight line (linear function). Such a function always changes at a constant rate. The line goes downward to the right, so the function is a decreasing function.

___

"changes at a constant rate" and "linear function" are two different ways of saying the same thing: the graph of the function is a straight line.

Answer:

9936 inch.

Step-by-step explanation:

Note the measurements:

1 Yard = 3 Feet

1 Feet = 12 Inch

1 Yard = 3 Feet = (12)(3) Inches = 36 Inches; 1 Yard = 36 Inches

Multiply 276 with 36

276 x 36 = 9936

9936 inches is your answer.

~

Answer:

B

Hope This Helps!   Have A Nice Day!!

Answer:

b

Step-by-step explanation:

Answer:

  745.5 ft

Step-by-step explanation:

The mnemonic SOH CAH TOA reminds you of the trig function relating the hypotenuse and the side opposite an angle. It tells you ...

  Sin = Opposite/Hypotenuse

The line marked x (the hypotenuse of the triangle) is a transversal crossing the two parallel horizontal lines. That means the interior angle of the triangle at lower right (the angle of elevation) has the measure 28°. That angle is opposite the side marked 350 ft. So, you have ...

  sin(28°) = (350 ft)/x

Multiplying by x/sin(28°), this equation becomes ...

  x = 350 ft/sin(28°)

  x ≈ 745.5 ft

Answer:

  178,334 pens

Step-by-step explanation:

The company makes $0.30 above the variable cost on each pen, so must sell $53,500/$0.30 ≈ 178,334 pens to cover the cost of operation.

_____

Sale of 178,333 pens will result in a total cost of $0.10, so doesn't quite make the company break even. Sale of 178,334 pens will result in profit of $0.20.

Answer:

0.335

Step-by-step explanation:

1. There is a 30 percent chance of a flight being delayed because of icy weather ,then the probability of being delayed is 0.3 and of being not delayed is 0.7.

2. If a flight is delayed because of icy weather, there is a 10 percent chance the flight will also be delayed because of a mechanical problem, then the probability of being delayed is 0.1 and the probabilty of not being delayed is 0.9.

3. If a flight is not delayed because of icy weather, there is a 5 percent chance that it will be delayed because of a mechanical problem (MP), then the probability of being delayed is 0.05 and the probabilty of not being delayed is 0.95. (See attached probability tree)

Delayed of icy weather - 0.3

Delayed of MP when weather is not icy - 0.7·0.05=0.035

Now, if one flight is selected at random from the airport in January, the probability that the flight selected will have at least one of the two types of delays is

0.3+0.035=0.335

The probability that the flight selected will have at least one of the two types of delays is  [tex]0.335[/tex].

1. There is a [tex]30[/tex]% chance of a flight being delayed because of icy weather, [tex]\therefore[/tex] probability of being delayed is  [tex]P(a)=0.3[/tex]  

probability of not being delayed is [tex]P(a')=1-0.3=0.7[/tex].

2. If a flight is delayed because of icy weather, there is [tex]10[/tex]% chance the flight will also be delayed because of a mechanical problem,

[tex]\therefore[/tex] probability of being delayed is [tex]P(b)=0.1[/tex]

probability of not being delayed is [tex]P(b')=1-0.1=0.9[/tex].

3. If a flight is not delayed because of icy weather, there is [tex]5[/tex]% chance that it will be delayed because of a mechanical problem ,

[tex]\therefore[/tex]probability of being delayed is [tex]P(c)=0.05[/tex]

probability of not being delayed is [tex]P(c')=1-0.05=0.95[/tex].

Delayed of mechanical problem when weather is not icy is:

[tex]P(a'\cap c)=P(a').P(c)=0.7\times 0.05=0.035[/tex]

Now, if one flight is selected at random from the airport in January, the probability that the flight selected will have at least one of the two types of delays is

[tex]P(a'\cap c)+P(a)=0.035+0.3=0.335[/tex]

Learn more about Probability.

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E and F

The standard form for a quadratic function is f(x) = ax^2 + bx + c.

E follows this pattern. a = -2; b = -8; c = 3

F also follows this pattern. a = 1/2; b = -2; c = 0

Answer:

a(h) = 1.25h²

Step-by-step explanation:

The formula for the area of a rectangle is ...

A = HW . . . . . where H represents the height and W represents the width

If the image has a height of h, then the width is 1.25 times that, or 1.25h. Putting these values into the formula, we have ...

A = h·(1.25h)

A = 1.25h²

In function form, we can write a(h), area as a function of height, as ...

a(h) = 1.25h²

Answer:

  n = -2

Step-by-step explanation:

Eliminating parentheses, you have ...

  2n +6 -6n = 14

Combining terms and subtracting 6, you get ...

  -4n = 8

Dividing by the coefficient of n gives ...

  n = -2

_____

Check

  2(-2) +3(2 -2(-2)) = 14

  -4 +3(2+4) = 14

  -4 +3(6) = 14

  -4 +18 = 14 . . . . answer checks OK

Answer:

  Factor pairs of 36 are ...

     1×36, 2×18, 3×12, 4×9, 6×6 . . . and the reverse of these

There is nothing in the problem statement limiting the dimensions to integer numbers of feet, so any dimensions x and 36/x will do. (x in feet)

Step-by-step explanation:

Area is the product of length and width. The desired dimensions are the length and width of the floor, so any pair of numbers resulting in a product of 36 will be a possible set of dimensions.

If the dimensions are supposed to be integer numbers of feet, then the possibilities for length×width are ...

  1×36, 2×18, 3×12, 4×9, 6×6, 9×4, 12×3, 18×2, 36×1

_____

As a practical matter, the tree house probably needs to be wider than 2 feet, leaving 3×12, 4×9, and 6×6 as possible dimensions (length×width or width×length). Depending on the flooring material and the difficulty of cutting it, there may be other limitations on the dimensions.

The possible dimensions for the floor of the tree house that Matt and his dad are building are 1 ft x 36 ft, 2 ft x 18 ft, 3 ft x 12 ft, 4 ft x 9 ft, and 6 ft x 6 ft. These pairs are derived by identifying the factors of 36 square feet.

To determine all possible dimensions of the floor that Matt and his dad need to cover, we need to find pairs of whole numbers that multiply to 36 square feet. This is a classic problem in mathematics involving factors.

Here are the pairs of whole numbers that multiply to 36:

Each of these pairs represents a possible dimension for the tree house floor.

Answer:

The measure of angle JKP is 61°

Step-by-step explanation:

we know that

If the measure of angle m<LOI=38°

then

m arc IL=38° -----> by central angle

and

If the measure of angle m<JOP=84°

then

m arc JP=84° -----> by central angle

Remember that

The measure of the interior angle is the semi-sum of the arcs that comprise it and its opposite.

so

m<JKP=(1/2)[arc IL+arc JP]

substitute the values

m<JKP=(1/2)[38°+84°]=61°

Answer:

4 to 13

4:13

Step-by-step explanation:

I finished my test and these were the answers

The ratio of the number of fish to the total number of pets Dalia has is 4 to 13 or 4:13.

The subject of this question is the calculation of a ratio. In this case, the asked ratio is the number of fish to the total number of pets that Dalia has. Dalia has 4 fish and a total of 9 hamsters + 4 fish = 13 pets. Therefore, the correct answer is the ratio of 4 (fish) to 13 (total pets). This ratio can be represented in two ways: B) 4 to 13 or E) 4:13. The other options represent different ratios and do not correctly answer the question.

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Answer:

A. (first choice)

Step-by-step explanation:

Examine all options:

A. The diagram shows the arc (1/4 from a circle). While rotating this arc about the given axis, we get the hemisphere.

B. The diagram shows the semicircle (1/2 from a circle). While rotating this semicircle about the given axis, we get the whole sphere.

C. The diagram shows the segment (perpendicular to the axis). While rotating this segment about the given axis, we get the circle (lying in a plane).

D. The diagram shows the segment. While rotating this segment about the given axis, we get the cone.

Perimeter is the distance around an object, so you would add 5+9+11 to get 25 cm

The range of the function g(x)=6/x is the same as the range of the parent function f(x)=1/x, which is all real numbers except zero, despite the scaling factor '6'. This is because transformations other than shifts do not change the range.

The comparison between the functions g(x)=6/x and f(x)=1/x lies in the understanding of how modifications to a parent function affect its range. The function f(x)=1/x is a parent function and its range is all real numbers except for zero. This is because as x approaches zero, the output of the function approaches infinity, thus, zero is not included in the range.

When we look at the function g(x)=6/x, the multiplier '6' just scales the values of the parent function by a factor of 6. This means the range will still be all real numbers except for zero, just like in the parent function. This is because the function transformations do not affect the range of the function that has a rational form like f(x)=1/x unless there are additional horizontal or vertical shifts.

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Let's call the two numbers x and y.

We know that x+y = 842 and that x-y = 314

Now that we have two equations, we can solve using substitution by solving for one variable in one of the equations, and plugging that in for the same variable in the other equation.

Lets solve for x in the second equation to get:

x = 314 + y

Now plug in 314+y for x in the first equation:

(314 + y) + y = 842

Combine like terms:

314 + 2y = 842

Now solve for y:

2y = 842-314

2y = 528

y = 264

Finally, plug 264 in for y to solve for x:

x + 264 = 842

x = 842-264

x = 578

The two numbers are 578 and 264.

Answer:

Step-by-step explanation:

Let's call the ages D for daughter and S for son.

We know that the son is twice as old as the daughter, so:

S = 2D

We also know that in 15 years, their ages add up to 100, so:

(40+15) + (S+15) + (D+15) = 100

55 + S + 15 + D + 15 = 100

85 + S + D = 100

S + D = 15

Substituting the first equation:

2D + D = 15

3D = 15

D = 5

Therefore:

S = 2D = 10

The son is 10 and the daughter is 5.

Answer:

son = 10

daughter  = 5

Step-by-step explanation:

Let the daughter = d

Let the son =          s

s = 2*d

there ages in 15 years

Mother = 40 + 15 = 55

Son = s + 15

daughter = d + 15

Total: s + 15 + d+15 + 55 = 100    Combine the like terms.

s + d + 85 = 100                            Subtract 85 from both sides.

s + d = 100 - 85

s + d = 15

s = 2*d                                            Substitute for son

2d + d = 15

3d = 15

d = 15/3

d = 5

son = 2*5

son = 10

Check

son = 15 =           25

daughter + 15 =  20

Mother + 15    =   55

Total                   100 just as it should be.

Answer:

see below for explanation

3x +2y = 15

Step-by-step explanation:

The x-coordinate and the y-coordinate are both linear functions of t, so their relationship to each other is linear. A graph of those (x, y) points must be a line.

___

You can find an equation by solving one of the expressions for t, then substituting that into the other.

x = 2t +3

t = (x -3)/2

Substituting into the y expression, we get ...

y = 3 -3(x -3)/2

y = (-3/2)x + 15/2

3x +2y = 15 . . . . . . . add 3/2x and multiply by 2 to put into standard form

_____

The attached graph shows a portion of the line defined parametrically (0 ≤ t ≤ 1). It is dotted so you can see it overlays the line defined by the linear equation in x and y.

Answer:

108°

Step-by-step explanation:

Suppose that circle with center A is a circular arena. Points B, C, D, E and F are 5 lights. These 5 points form regular pentagon (because these 5 lights are equally spaced around the perimeter of the arena).

The sum of all interior angles of pentagon can be calculated using following formula

[tex](n-2)\cdot 180^{\circ},\\ \\(5-2)\cdot 180^{\circ}=3\cdot 180^{\circ}=540^{\circ}[/tex]

All interior angles in regular pentagon are of equal measure, so

[tex]\dfrac{540^{\circ}}{5}=108^{\circ}[/tex]

Thus, the measure of each angle formed by the lights on the perimeter is 108°.

Answer:

D. 108

Step-by-step explanation:

I just did the test yourself

Answer:

400,000,000

Step-by-step explanation:

4000000000000×.0001 is the answer above

Answer:

[tex]4 \times {10}^{8 }m \: or \: 400,000,000m[/tex]

Step-by-step explanation:

Put them both into standard form.

[tex]0.0001 = 1 \times {10}^{ - 4} \: and \: 4 \: trillion \: is \: 4 \times {10}^{12} [/tex]

Multiply them together.

[tex](1 \times {10}^{ - 4} ) \times (4 \times {10}^{12}) = 4 \times 10^{8} [/tex]

Answer:

  462 cm^2

Step-by-step explanation:

The centerline of the cloth area has a radius of (28 cm + 14 cm)/2 = 21 cm, so its length will be 1/4 of the circumference of a circle of that radius:

  cloth centerline length = (1/4)·2πr = (π/2)·21 cm = (22/7)/2 · 21 cm = 33 cm

The width of the cloth portion is ...

  28 cm - 14 cm = 14 cm

so the area of the cloth portion will be the product of centerline length and width:

  (33 cm)(14 cm) = 462 cm^2

ANSWER

[tex]f(0) = g(0)[/tex]

EXPLANATION

From the graph we

[tex]g(0) = - 2[/tex]

because this is where the line x= 0 meets the graph of g(x).

Also

[tex]f(0) = - 2[/tex]

because this is where the line x= 0 meets the graph of f(x).

This implies that,

[tex]f(0) = g(0)[/tex]

The correct choice is A.

Answer:

  42.5 ft by 21.3 ft

Step-by-step explanation:

The largest area is obtained when half the available fence is used parallel to the existing fence, and the other half is used to fence the two ends of the rectangle. Here, that means the dimension parallel to the existing fence is ...

  (85 ft)/2 = 42.5 ft

and the ends of the rectangular garden are ...

  (42.5 ft)/2 = 21.25 ft ≈ 21.3 ft

_____

You can figure this as follows:

Let x represent the length of fence parallel to the existing fence. Then the other dimension of the fenced area is (85 -x)/2 and the fenced area is the product of these dimensions.

  area = x(85-x)/2

This expression describes a downward-opening parabola with zeros at x=0 and at x=85. The vertex (maximum) will be found where x is halfway between these values, at x = (0 +85)/2 = 42.5.

Area is maximized when 42.5 ft of fencing is used parallel to the existing fence, and the other half of the fencing is used for the other two sides of the enclosure.

Answer:

x = ab/c

Step-by-step explanation:

The product of the distances from the point of intersection of the chords (secants) to the circle is the same for both chords (secants). (This is true whether the point of intersection is inside or outside the circle.)

ab = cx

x = ab/c

Answer:

So first, we need to find the area of the whole circle since we already had the radius:

A = πr² = 3.14 . 7.53² = 178.040826 (cm²)

Now our next job is to find the area of the square inside the circle.

Looking at the picture, we can see that the radius of the circle is also half of the diagonal of the square, so the whole diagonal of the square should be: 7.53 . 2 = 15.06 (cm)

*Now this is where things get a little bit more complicated:

Imagine that x is the length of the side of the square.

Using Pythagorean theorem, knowing that d is the diagonal of the square and also the hypotenuse of the right triangle inside the square, we have the equation:

a² + a² = d²

2a²      = d²

a²        = d²/2

a²        = 226.8036/2 = 113.4018

So a², which is also the area of the square, is 113.4018 (cm²)

So the are of the yellow region is: 178.040826 - 113.4018 ≈ 64.6 (cm²)

*I could be wrong though