Solve triangle EFG with the given parts.f = 17.78, F = 27.3°, G = 102.1°

Solve Triangle EFG With The Given Parts.f = 17.78, F = 27.3, G = 102.1

Answers

Answer 1

STEP - BY - STEP EXPLANATION

What to find?

g, E and e

Given:

Step 1

Find the measure of side g using the sine ratio.

[tex]\begin{gathered} \frac{sinF}{f}=\frac{sinG}{g} \\ \\ \frac{sin27.3}{17.78}=\frac{sin102.1}{g} \\ \\ gsin27.3=17.78sin102.1 \\ \\ g=\frac{17.78sin102.1}{sin27.3} \\ \\ g\approx37.9 \end{gathered}[/tex]

Step 2

Find angle E.

[tex]E+F+G=180(sum\text{ of interior angle in a triangle\rparen}[/tex][tex]\begin{gathered} E+27.3+102.1=180 \\ \\ E=180-102.1-27.3 \\ \\ E=50.6° \end{gathered}[/tex]

Step 3

Find side e using the sine ratio.

[tex]\begin{gathered} \frac{sinE}{e}=\frac{sinF}{f} \\ \\ \frac{sin50.6}{e}=\frac{sin27.3}{17.78} \\ \\ esin27.3=17.78sin50.6 \\ \\ e=\frac{17.78sin50.6}{sin27.3} \\ \\ e\approx29.96 \end{gathered}[/tex]

ANSWER

g=37.9

E=50.6°

e = 29.96

Solve Triangle EFG With The Given Parts.f = 17.78, F = 27.3, G = 102.1

Related Questions

Write an equation for the linear function f(x) using the given information. ———————————————Using the points 2,0 & 4,3

Answers

To find the equation in the form

[tex]y=mx+b[/tex]

the slope is defined by:

[tex]\begin{gathered} m=\frac{y2-y1}{x2-x1} \\ m=\frac{3-0}{4-2} \\ m=\frac{3}{2} \end{gathered}[/tex]

To find b you can replace any of the points on the equation an clear for b

(x,y)=(4,3)

[tex]\begin{gathered} y=\frac{3}{2}x+b \\ 3=\frac{3}{2}\cdot4+b \\ 3=6+b \\ 3-6=b \\ b=-3 \end{gathered}[/tex]

to check if the answer is correct replace 2 as x in the equation.

[tex]\begin{gathered} y=\frac{3}{2}\cdot2-3 \\ y=3-3 \\ y=0 \end{gathered}[/tex]

since the answer was 0 and point was 2,0 the equation is correct.

Find sinif cos 0 = is in the first quadrant. 5 OA. OB. OC. 2/20 OD. 25/ M5 Reset Selection

Answers

Answer: B. 3/5

This question can be solved by using trigonometric identities.

- Polynomial Functions -For each function, state the vertex; whether the vertex is a maximum or minimum point; the equation of the axis of symmetry and whether the function's graph is steeper than, flatter than, or the same shape as the graph of f(x)=x²

Answers

EXPLANATION

Given the function f(x) = (x-6)^2 + 1

[tex]\mathrm{The\: vertex\: of\: an\: up-down\: facing\: parabola\: of\: the\: form}\: y=ax^2+bx+c\: \mathrm{is}\: x_v=-\frac{b}{2a}[/tex]

Expanding (x-6)^2 + 1 by applying the Perfect Square Formula:

[tex]=x^2-12x+37[/tex][tex]\mathrm{The\: parabola\: params\: are\colon}[/tex][tex]a=1,\: b=-12,\: c=37[/tex][tex]x_v=-\frac{b}{2a}[/tex][tex]x_v=-\frac{\left(-12\right)}{2\cdot\:1}[/tex][tex]\mathrm{Simplify}[/tex][tex]x_v=6[/tex][tex]y_v=6^2-12\cdot\: 6+37[/tex]

Simplify:

[tex]y_v=1[/tex]

[tex]\mathrm{Therefore\: the\: parabola\: vertex\: is}[/tex][tex]\mleft(6,\: 1\mright)[/tex][tex]\mathrm{If}\: a<0,\: \mathrm{then\: the\: vertex\: is\: a\: maximum\: value}[/tex][tex]\mathrm{If}\: a>0,\: \mathrm{then\: the\: vertex\: is\: a\: minimum\: value}[/tex][tex]a=1[/tex][tex]\mathrm{Minimum}\mleft(6,\: 1\mright)[/tex][tex]\mathrm{For\: a\: parabola\: in\: standard\: form}\: y=ax^2+bx+c\: \mathrm{the\: axis\: of\: symmetry\: is\: the\: vertical\: line\: that\: goes\: through\: the\: vertex}\: x=\frac{-b}{2a}[/tex]

Expanding (x-6)^2 + 1 by applying the Perfect Square Formula:

[tex]y=x^2-12x+37[/tex][tex]\mathrm{Axis\: of\: Symmetry\: for}\: y=ax^2+bx+c\: \mathrm{is}\: x=\frac{-b}{2a}[/tex][tex]a=1,\: b=-12[/tex][tex]x=\frac{-\left(-12\right)}{2\cdot\:1}[/tex][tex]\mathrm{Refine}[/tex]

Axis of simmetry : x=6

The quadratic function has the same shape than the parent function y=x^2 because there is NOT a coefficient within x.

m(x)=-x^2+4x+21. prove the zeros and determine the extreme value algebraically

Answers

[tex]\begin{gathered} m(x)=-x^2+4x+21 \\ \text{Factor:} \\ \text{The factors of -21 that sum to -4 are 3 and -7, thus:} \\ m(x)=-x^2+4x+21=-(x+3)(x-7) \end{gathered}[/tex]

The zeros of the function are:

[tex]\begin{gathered} -(x+3)(x-7)=0 \\ x=-3 \\ or \\ x=7 \end{gathered}[/tex]

The vertex is a point V(h,k) on the function. It's either at the base or the top of the function, depending upon wether it opens, upward or downward respectively.

For a function of the form:

[tex]\begin{gathered} y=ax^2+bx+c \\ \text{The vertex(extreme value) is:} \\ h=\frac{-b}{2a} \\ k=y(h) \end{gathered}[/tex]

Therefore:

[tex]\begin{gathered} m(x)=-x^2+4x+21 \\ a=-1 \\ b=4 \\ c=21 \\ h=\frac{-4}{2(-1)}=\frac{-4}{-2}=2 \\ k=m(h)=-(2)^2+4(2)+21=-4+8+21=25 \end{gathered}[/tex]

Hence, the extreme value is 25 at x = 2

That's it, do you have any question?

57. do not use the answer under the line in the explanation itself, only refer to it to make sure of your work. USE DERIVITIVES NOT GRAPHING

Answers

Explanation

Question 57

[tex]\:f\left(x\right)=2x^3-15x^2+24x[/tex]

To find the extreme values

[tex]\begin{gathered} \mathrm{Suppose\:that\:}x=c\mathrm{\:is\:a\:critical\:point\:of\:}f\left(x\right)\mathrm{\:then,\:} \\ \mathrm{If\:}f\:'\left(x\right)>0\mathrm{\:to\:the\:left\:of\:}x=c\mathrm{\:and\:}f\:'\left(x\right)<0\mathrm{\:to\:the\:right\:of\:}x=c\mathrm{\:then\:}x=c\mathrm{\:is\:a\:local\:maximum.} \\ \mathrm{If\:}f\:'\left(x\right)<0\mathrm{\:to\:the\:left\:of\:}x=c\mathrm{\:and\:}f\:'\left(x\right)>\:0\mathrm{\:to\:the\:right\:of\:}x=c\mathrm{\:then\:}x=c\mathrm{\:is\:a\:local\:minimum.} \\ \mathrm{If\:}f\:'\left(x\right)\mathrm{\:is\:the\:same\:sign\:on\:both\:sides\:of\:}x=c\mathrm{\:then\:}x=c\mathrm{\:is\:neither\:a\:local\:maximum\:nor\:a\:local\:minimum.} \end{gathered}[/tex]

So, we will have the steps below

Step 1:

[tex]\begin{gathered} \mathrm{Plug\:the\:extreme\:point}\:x=0\:\mathrm{into}\:2x^3-15x^2+24x\quad \Rightarrow \quad \:y=0 \\ \mathrm{Minimum}\left(0,\:0\right) \end{gathered}[/tex]

Step2:

[tex]\begin{gathered} \mathrm{Plug\:the\:extreme\:point}\:x=1\:\mathrm{into}\:2x^3-15x^2+24x\quad \Rightarrow \quad \:y=11 \\ \mathrm{Maximum}\left(1,\:11\right) \end{gathered}[/tex]

Step 3:

[tex]\begin{gathered} \mathrm{Plug\:the\:extreme\:point}\:x=4\:\mathrm{into}\:2x^3-15x^2+24x\quad \Rightarrow \quad \:y=-16 \\ \mathrm{Minimum}\left(4,\:-16\right) \end{gathered}[/tex]

Step 4:

[tex]\begin{gathered} \mathrm{Plug\:the\:extreme\:point}\:x=5\:\mathrm{into}\:2x^3-15x^2+24x\quad \Rightarrow \quad \:y=-5 \\ \mathrm{Maximum}\left(5,\:-5\right) \\ \end{gathered}[/tex]

Thus, we will have

[tex]\mathrm{Minimum}\left(0,\:0\right),\:\mathrm{Maximum}\left(1,\:11\right),\:\mathrm{Minimum}\left(4,\:-16\right),\:\mathrm{Maximum}\left(5,\:-5\right)[/tex]

Hence, our answer is

[tex]\begin{gathered} \begin{equation*} \mathrm{Minimum}\left(4,\:-16\right) \end{equation*} \\ \begin{equation*} \mathrm{Maximum}\left(1,\:11\right) \end{equation*} \end{gathered}[/tex]

determine the area of figure round to the nearest tenth if necessary..

Answers

[tex]\begin{gathered} A1=\frac{4ft\cdot3ft}{2} \\ A1=6ft^2 \\ \\ A2=\frac{5ft\cdot6ft}{2} \\ A2=15ft^2 \\ \\ AT=A1+A2 \\ AT=6ft^2+15ft^2 \\ AT=21ft^2 \end{gathered}[/tex]

3(-4+x)<-33 I need to solve for x

Answers

Simplify the inequality.

[tex]\begin{gathered} \frac{3(-4+x)}{3}<-\frac{33}{3} \\ -4+x+4<-11+4 \\ x<-7 \end{gathered}[/tex]

So answer is x<-7.

Find the distance between the following points using the pythagorean theorem (5,10) and (10,12)

Answers

Answer:

\sqrt[29]

Explanation:

Given the coordinate (5,10) and (10, 12). The formula for calculating the distance between two points is expressed as;

[tex]D\text{ =}\sqrt[]{(x_2-x_1)^2+(y_2-y_1)^2}^{}[/tex]

Given that;

x1 = 5

y1 = 10

x2 = 10

y2 = 12

Substitute:

[tex]\begin{gathered} D\text{ = }\sqrt[]{(10-5)^2+(12-10)^2} \\ D=\text{ }\sqrt[]{5^2+2^2} \\ D\text{ =}\sqrt[]{25+4} \\ D\text{ =}\sqrt[]{29} \end{gathered}[/tex]

Hence the distance between the points is \sqrt[29]

The Muffin Shop makes no-fat blueberry muffins that cost $.70 each. The Muffin Shop knows that 15% of the muffins will spoil. If The Muffin Shop wants 40% markup on cost and produces 800 muffins, what should The Muffin Shop price each muffin?

Answers

If The Muffin Shop wants a 40% markup on cost and produces 800 muffins, The Muffin Shop should price each muffin at $1.15.

How is the price determined?

The total expected revenue is divided by the total unspoiled units sold to determine the selling price.

This is illustrated below.

Cost per unit of muffins = $0.70

The spoilage rate = 15%

Expected markup on cost = 40%

The total production units = 800 muffins

The total good units sold = 680 (800 x 1 - 15%)

Total cost for 800 units = $560 (0.70 x 800)

The markup on cost = $224 ($560 x 40%)

The total expected sales revenue = $784 ($560 + $224)

Seling price per unit = $1.15 ($784/680)

Thus, The Muffin Shop should price each muffin at $1.15 to meet its goals.

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Please help, algebra 1, i dont know how to begin to solve it :/ thank you thank you.Simplify:

Answers

Given the expression:

[tex](x^2-4x^3)+(5x^3+3x^2)[/tex]

You can simplify it as follows:

1. Distribute the positive sign. Since the sign between the parentheses is positive, it does not change the signs of the second parentheses:

[tex]=x^2-4x^3+5x^3+3x^2[/tex]

2. Add the like terms.

By definition, like terms have the same variables with the same exponent.

In this case, you need to add the terms with exponent 3 and add the terms with exponent 2. Notice that:

[tex]\begin{gathered} -4x^3+5x^3=x^3 \\ \\ x^2+3x^2=4x^2 \end{gathered}[/tex]

Then, you get:

[tex]=x^3+4x^2[/tex]

Hence, the answer is:

[tex]=x^3+4x^2[/tex]

Find the common difference and the recursive formula. 22,19,16,13

Answers

[tex]22,19,16,13[/tex]

The common difference between each term is -3.

19 - 22 = -3

16 - 19 = -3

13 - 16 = -3

The recursive formula of an arithmetic sequence follows the pattern below:

[tex]a_n=a_{n-1}+d,n\ge2[/tex]

where d = common difference and number of terms "n" must be more than or equal to two.

To be able to get the recursive formula, we will plug in the common difference assuming that first term a₁ = 22. Therefore, the recursive formula is:

[tex]a_n=a_{n-1}-3,for\text{ n}\ge2[/tex]

How4 x 8 sheet ofmanyply wood do you need tocover a 24 x 24 deck?

Answers

Given

Dimensions of deck = 24 by 24

dimensions of ply wood = 4 by 8

Find

Number of sheets of ply wood needed to cover the deck

Explanation

number of sheets = area of deck divided by area of 1 ply wood

so ,

area of deck =

[tex]\begin{gathered} 24\times24 \\ 576 \end{gathered}[/tex]

and

area of ply wood =

[tex]\begin{gathered} 4\times8 \\ 32 \end{gathered}[/tex]

so ,

number of sheets needed =

[tex]\begin{gathered} \frac{576}{32} \\ \\ 18 \end{gathered}[/tex]

Final Answer

Hence , the required number of sheets of ply wood is 18

A small regional carrier accepted 23 reservations for a particular flight with 2o seats. 14 reservations went to regular customers who will arrive for the flight. each of the remaining passengers will arrive for the flight with a 50 % chance ,independently of each other. (answers accurate to 4 decimal places.) Find the probability that overbooking occurs find the probability that the flight has empty seats

Answers

Let's begin by identifying key information given to us:

Number of seats = 20

Number of reservation = 23

14 regular customers show up. So, we have:

[tex]23-14=9RemainingCustomers[/tex]

The number of seats left is:

[tex]20-14=6seats[/tex]

Overbooking means that more than 6 remaining customers show up (that could mean 7 or 8 or 9 of the remaining customers show up)

The probability of more than 6 customers arriving is given by:

For the equation y = -2x + 1 A) complete the Table: X l Y -4 04B) Use the appropriate tool to graph the given equation

Answers

ANSWER:

a)

b)

EXPLANATION:

Given:

[tex]y=-2x+1[/tex]

a) When x = -4, let's go ahead and solve for y;

[tex]\begin{gathered} y=-2(-4)+1 \\ y=8+1 \\ y=9 \end{gathered}[/tex]

When x = 0, let's go ahead and solve for y;

[tex]\begin{gathered} y=-2(0)+1 \\ y=0+1 \\ y=1 \end{gathered}[/tex]

When x = 4, let's go ahead and solve for y;

[tex]\begin{gathered} y=-2(4)+1 \\ y=-8+1 \\ y=-7 \end{gathered}[/tex]

b) Using the above values, we can go ahead and the equation as seen below;

Help I’m stuck ‼️‼️‼️ Hw due in a couple minutes

Answers

The lines AD and BC cross at a point where we have two pairs of vertically opposite angles.

The angles labelled (2x +50) and 100 are vertically opposite angles.

Vertically opposite angles are equal. Therefore;

[tex]\begin{gathered} 2x+50=100 \\ \text{Subtract 50 from both sides} \\ 2x+50-50=100-50 \\ 2x=50 \\ \text{Divide both sides by 2} \\ \frac{2x}{2}=\frac{50}{2} \\ x=25 \end{gathered}[/tex]

ANSWER:

The value of x is 25. The correct answer is option A

Shaq was climbing a cliff. He stopped for a snack. After that, he slipped 20 feet to an earlier foothold and then slipped 4 feet to another foothold. Model the distance Shaq traveled on the cliff after his snack as a sum.

Answers

1) Let's make a sketch to better understand this:

Suppose Shaq was on 40 feet after the snack he slipped 20 feet and then 6 feet.

After the snack, He traveled 20 +4 = 24 feet

From the initial point, He went 24 feet down.

A is the incenter of Triangle FHG Find the length of AT. Explain your thinking.

Answers

we have that

The incenter is the center of the triangle's incircle, the largest circle that will fit

AR=AT=AS -----> radius of the inscribed circle in the triangle

therefore

AT=3 units

Part A: The Sun that produces 3.9 * 10^33ergs of a radiant energy per second. How many eggs of radiant energy does the Sun produce and 3.25 * 10^3 seconds?Part B: Which is more the reasonable measurement of the distance between the tracks on a railroad: 1.435 * 10^3mm or 1.435 * 10^3mm?

Answers

Answer:

Part A

[tex]1.2675\times10^{37}ergs[/tex]Explanations:

The sun can produce 3.9 * 10^33 ergs of radiant energy per second

[tex]\text{Amount of energy in 1 second = 3.9 }\times10^{33}ergs[/tex][tex]\text{Amount of energy produced in 3.25}\times10^3\sec \text{ = (3.9}\times10^{33}\times3.25\times10^3)[/tex][tex]\text{Amount of energy produced in 3.25}\times10^3\text{ seconds = }1.2675\times10^{37}ergs[/tex]

What do you notice about the measures of the sides or the measures of angles that form triangles?

Answers

The angles sum up to give 180°

Only one of the angles can be an obtuse angle, we can;t have two bothuse angle in a triangle. BUT we can have two acute angles and one obtuse angle in a triangle.

We can also have a 90 degree and 2 acute angle in a triangle.

Examples

The angles sum up to give 180°

Only one of the angles can be an obtuse angle, we can;t have two bothuse angle in a triangle. BUT we can have two acute angles and one obtuse angle in a triangle.

We can also have a 90 degree and 2 acute angle in a triangle.

Examples

Paula will make fruit punch for a party she will mix 1 1/2 gallons of orange juice with 5/8 of a gallon of pineapple juice how many 1/8 gallon servings will Paula have

Answers

First let's find the total number of gallons of the fruit punch. To do so, we just need to sum the gallons of orange juice (1 1/2) ith the gallons of pineapple juice (5/8):

[tex]1\frac{1}{2}+\frac{5}{8}=\frac{3}{2}+\frac{5}{8}=\frac{12}{8}+\frac{5}{8}=\frac{17}{8}[/tex]

Now, in order to find how many 1/8 servings can be made, we need to divide the total number of gallons of the fruit punch by the number of gallons of a serving:

[tex]\frac{\frac{17}{8}}{\frac{1}{8}}=\frac{17}{8}\cdot\frac{8}{1}=17[/tex]

So Paula can have 17 servings.

Answer:

17

Step-by-step explanation:

5/8 - 5

1 1/2 - 12

Jane, Chau, and Deshaun have a total of $82 in their wallets. Deshaun has 2 times what Jane has. Chau has $6 less than Jane. How much does each have?

Answers

Jane, Chau, and Deshaun have $22, $16 and $44 respectively in their wallets.

let x represent represent the amount of Jane.

let Y represent represent the amount of chau.

let z represent represent the amount of Deshaun.

Jane, Chau, and Deshaun have a total of $82"  can be represented as

x + y + z = $82 .......(1)

Deshaun has 4 times what Jane has. It  can be represented mathematically as

y = 2x     .......(2)

Chau has $6 less than Jane. It can be represented mathematically as

z= x- 6   .......(3)

we can now solve the equations using the substitution method

substitute equation (2)  and (3)  into equation (1)

x + y + z = $82

x + 2x + x-6 = $82

4x -6 = $82

4x - 6  = $82

4x = $82 + 6

4x = 88

x = $22

from equation 2

y = 2x

y = 2 x 22 = $44

z = x- 6

z = 22 - 6

z=$16

Jane, Chau, and Deshaun have $22, $16 and $44 respectively in their wallets.

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Toni decides to plant a 2-foot wide rectangular flower garden along one side of the pool and patio but outside the fence. She measures the length of the fence to be 44 feet long. What is the area of the flower garden?

Answers

If she decides to plant a 2-foot wide rectangular flower garden along one side of the pool and patio but outside the fence. She measures the length of the fence to be 44 feet long. The area of the flower garden is 88 square feet.

Area of the flower garden

Using this formula to determine the area of the flower garden

Area = Width × Length

Where:

Width = 2 feet

Length = 44 feet

Let plug in the formula

Area = 2 × 44

Area = 88 square feet

Therefore the area is 88 square feet.

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ITS NOT A REAL TEST! MY FRIENDS WANT TO SEE HOW SMART I AM.

Answers

The given triangle is:

From the properties of triangle,

The sum of all angle in a triangle is equal to 180 degree

In triangle ABC,

Angle A + Angle B + Angle C = 180

70 + 50 + x = 180

120 +x = 180

x = 180 -120

x = 60

The missing angle is 60 degree

r is the midpoint of op and qr is perpendicular to op in the diagram below find the the length of qr

Answers

Given:

OP = 20 in

QP = 26 in

Since R is the midpoint of OP, then, OR = RP

Thus

[tex]OR=RP=\frac{OP}{2}=\frac{20}{2}=10\text{ in}[/tex]

To find the length of QR, use pythagoras theorem below:

[tex]\begin{gathered} a^2+b^2=c^2 \\ \\ RP^2+QR^2=PQ^2 \end{gathered}[/tex]

Input values into the formula:

[tex]10^2+QR^2=26^2[/tex]

Subtract 10² from both sides:

[tex]\begin{gathered} 10^2-10^2+QR^2=26^2-10^2 \\ \\ QR^2=26^2-10^2 \end{gathered}[/tex]

Take the square root of both sides:

[tex]\begin{gathered} \sqrt[]{QR^2}=\sqrt[]{26^2-10^2} \\ \\ QR=\sqrt[]{676-100} \\ \\ QR=\sqrt[]{576} \\ \\ QR=24 \end{gathered}[/tex]

Therefore, the length of QR is 24 in

What is the product of 0.976 and 1.2

Answers

The product of 0.976 and 1.2 is 1.1712

All the formation your name is on the picture picture provided

Answers

The range of the data is the difference between the maximum data value and the minimum.

In a box plot, the maximum and the minimum are indicated by the dots at the end of the horizontal line.

Here,

Maximum = 10

Minimum = 4.5

Thus, the range of the data is:

[tex]Range=10-4.5=5.5[/tex]

Find the area of the compound shapes on the coordinate plane below.

Answers

Answer

Part A: 100 square units

Part B: 39 square units

Part C: 48 square units

Explanation

Part A

Scale: 1cm represent 2 units on x-axis and 1cm represents 5 units on y-axis.

Firstly, we convert the figure into two composite plane shapes, that is, a rectangle and a triangle.

Area of composite shapes = area of rectangle + area of triangle

= Length x Width + 1/2(base x height)

= 10 x 8 + 1/2(10 x 4)

= 80 + 20

= 100 square units

Part B

Scale: 1cm represent 3 units on x-axis and 1cm represents 1 unit on y-axis.

Convert the figure into two composite plane shapes, that is, a rectangle and a trapezium.

Area of composite shapes = area of rectangle + area of trapezium

= Length x Width + 1/2(sum of parallel sides)(perpendicular height)

= 3 x 9 + 1/2(3 + 9)(2)

= 27 + 1/2(24)

= 27 + 12

= 39 square units

Part C

Scale: 1cm represent 2 units on x-axis and 1cm represents 2 units on y-axis.

Convert the figure into two composite plane shapes, that is, a trapezium and a triangle.

Area of composite shapes = area of trapezium + area of triangle

= 1/2(sum of parallel sides)(perpendicular height) + 1/2(base x height)

= 1/2(4 + 8)(6) + 1/2(4 x 6)

=1/2(12 x 6) + 1/2(24)

= 36 + 12

= 48 square units

determine whether the equation defines y as function of x

Answers

To answer this question, we need to solve the equation for y in the third case:

[tex]3x+2y=5\Rightarrow2y=5-3x\Rightarrow y=\frac{5}{2}-\frac{3}{2}x\Rightarrow y=-\frac{3}{2}x+\frac{5}{2}[/tex]

We can see from this case that for every value of x, there must be a value in y, and this is the main condition for a relationship to be a function. Then, y is a function of x.

In the fourth case, we have a similar case, for every possible value of x, there must be a value for y. Then, y is a function of x.

As we can see, the red graph is for the linear equation and the black one is for the one with the radical ( y = -sqrt(x+1)).

If we pass a vertical line to either function (alone), we will have only a point that passes through this vertical line, and with this graphical information, we can also say that both are functions of y (for each case).

What is the equation of this graphed line?
Enter your answer in slope-intercept form in the box.
A graph with a line running through coordinates (-4, -6) and coordinates (2, 6)

Answers

Answer:

12/6 or 1/2

Step-by-step explanation:

you just plug the coordinates into demos calculator and then look at rise over run.

Element X decays radioactively with a half life of 14 minutes. If there are 460 grams of Element X, how long, to the nearest tenth of a minute, would it take the element to decay to 35 grams?

Answers

Step 1

Given;

[tex]\begin{gathered} Intially\text{ y}_0=460g \\ Half\text{ life, h=14 minutes} \\ y=\frac{460}{2}=230g,\text{ when t=h=14 min} \\ \end{gathered}[/tex]

Putting these values in, we have;

[tex]\begin{gathered} 230=a(0.5)^1 \\ a=\frac{230}{0.5}=460g \end{gathered}[/tex]

Therefore,

[tex]\begin{gathered} y=460(0.5)^{\frac{t}{14}}---(1) \\ when\text{ y=35} \\ 35=460(0.5)^{\frac{t}{14}} \end{gathered}[/tex][tex]\begin{gathered} 35=460(0.5)^{\frac{t}{14}} \\ \frac{460\cdot \:0.5^{\frac{t}{14}}}{460}=\frac{35}{460} \\ 0.5^{\frac{t}{14}}=\frac{7}{92} \\ \frac{t}{14}\ln \left(0.5\right)=\ln \left(\frac{7}{92}\right) \\ t=\frac{14\ln\left(\frac{7}{92}\right)}{\ln\left(0.5\right)} \\ t=52.02689 \\ t\approx52.0\text{ minutes to the nearest tenth of a minute} \end{gathered}[/tex]

Answer;

[tex]52.0\text{ minutes to the nearest tenth of a minute}[/tex]

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