Need help!!! ASAP!!!!

Answer:

y=-4x+10

Step-by-step explanation:

-2= -4(3)+b

-2=-12+b

-10=b

The correct answer is option D which is the expression is, 11 over 24 times r plus negative 8.

In mathematics, creating equations from word descriptions is referred to as a "word problem."

For example, in the question, equations are expressed in words and then rewritten in figures, which is the preferred way to write equations.

The equation is rewritten in words and solved as below.

How to write and solve the equation

Given expression is,

[tex](\frac{-1}{8}*r-5-\frac{1}{6} *r)-(\frac{-6}{8} *r+3)[/tex]

solving the equation:

= [tex](\frac{-1}{8} *r-5-\frac{1}{6} *r)-(\frac{-6}{8} *r+3)[/tex]

= [tex](\frac{-r}{8} -5-\frac{r}{6} )-(\frac{-6r}{8} +3)[/tex]

opening the parenthesis leads to change of signs as follows

= [tex]\frac{-r}{8} -5-\frac{r}{6} +\frac{6r}{8} -3[/tex]

= [tex]\frac{-r}{8} -\frac{r}{6} +\frac{6r}{8} -5-3[/tex]

= [tex]\frac{-3r-4r}{24}+\frac{6r}{8} -8[/tex]

= [tex]\frac{-7r}{24} +\frac{6r}{8} -8\\[/tex]

= [tex]\frac{-7r+18r}{24} -8[/tex]

= [tex]\frac{11r}{24} -8[/tex]

= [tex]\frac{11}{24} *r+(-8)[/tex]

Therefore the correct answer is option D which is 11 over 24 times r plus negative 8.

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Answer:

56

Step-by-step explanation:

Because w and 124 make a straight line. So you would need to subtract 180 from 124

Answer:

A )56

Step-by-step explanation:

The surface area of the given pyramid is equivalent to 108 square inches.

The surface area of a figure is the sum of the area of the surfaces of such figure.

The given pyramid is made up of 4 triangles and a square base.

Surface area = Area of square + 4(area of triangle)

Surface area = (6 * 6) + 4(1/2 * 6 * 6)

Surface area = 36 + 4(18)

Surface area  = 36 + 72

Surface area = 108 square inches

Hence the surface area of the square based pyramid is 108 square inches

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58

Step-by-step explanation:

sum of angle inside a triangle is equal to 180

plus 90 and 32 you get 122 now subtract 180 and 122 the answer will be 58

Answers-  D) 4.4π  &  Area-44

1. To solve the first equation we must use the equation for find Circumfrence C=2πr. Our r is 2.2 so our equation would look as C= 2π2.2. Since 2 and 2.2 are whole numbers we can multiply them by one another and that gives us 4.4. So our final answer would be C= 4.4π or D)

2. The best way to solve for our area would be to cut the shapes straight down the middle. Now the two shapes will be 7x4 and 4x4. 7x4 is 28 and 4x4 is 16. To get our final answer we would add 28 and 16, which is 44. To show this one your work draw a line going straight down to cut the shapes into a square and a rectangle. (view source)  

HOPE THIS HELPS GOOD LUCK!!

The radius of the given sphere will be 9/π.

So, the formula for the volume of a sphere: V = 4/3πr³

Volume is 972, then the radius will be:

Therefore, the radius of the given sphere will be 9/π.

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The value of angle A when A and B are vertical opposite angles is 96°.

It should be noted that vertical angles are equal. Based on the information illustrated, it should be noted that angle A = 4x - 4 and angle B = 5x - 29.

Then, we will equate the equations and this will be:

Angle A = Angle B

4x - 4 = 5x - 29

Collect like terms

5x - 4x = -4 + 39

x = 25

Since angle A = 4x - 4 = 4(25) - 4 = 100 - 4 = 96°

Angle A is 96°.

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Given:

a.) Each small box of paper weighs 50 pounds.

b.) Each large box of paper weighs 80 pounds.

c.) There were 4 more large boxes shipped than small boxes.

d.) The total weight was 1750 pounds.

Since the scenario is involving two types of boxes, we will be using two variables to represent each of them.

Let,

x = the total number of the small box of paper

y = the total number of the large box of paper

Let's now generate the system of equations that we will be using to able to solve the problem.

1st relationship: There were 4 more large boxes shipped than small boxes.

Putting this into equation, we get:

2nd relationship: The total weight was 1750 pounds.

For us to get the total weight, we will be adding the sum of the number of each box by the weight each box has.

We get,

In summary:

Let x = the total number of the small box of paper

Let y = the total number of the large box of paper

System of equations:

a.) y = x + 4

b.) 50x + 80y = 1750

The values of indicated function are-

For the given question;

For finding the values of the function, see the values for y axis with respect to the given values of x from the graph.

a: f(-4), input value is (-4), output on y axis is 6.

f(-4) = 6.

b: f(0), input value is (0), output on y axis is -6.

f(0) = -6.

c: f(1), input value is (1), output on y axis is -4.

f(1) = -4.

Thus, the range for the state functions are obtained.

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Answer: 25?

Step-by-step explanation:

Answer:456

Step-by-step explanation:

First you grab the crabby patty formula and then you decide that by 3 multiply it by 6 then after all of that you do the equation 64%78+4637=456 so that’s how I got my answer.

UV = 11 and TV = 41

A line segment has two fixed end points in a line. The length of the line segment is the distance between two fixed points. The length can be measured by units such as centimeters, millimeters, feet or inches

The points on a line are matched one to one with the real numbers in ruler postulate.  Coordinate of the point is the real number that corresponds to a point. The distance between points A and B (AB) is equal to the difference of the coordinates of A and B.

As given,

TU = 16, UV = x+4  and TV = 8x -15

TU + UV = TV

16 + x+4 = 8x -15

16 + 4 +1 5 = 8x - x

35 = 7x

x = 35/5

x= 7

We can find UV = x + 4 by substituting the value of x

= 7 +4

= 11

and TV = 8x - 15

= (8*7) - 15

=56 - 15

=41

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The balloon was flying at a height of 176.58 m .

The fundamentals of an object's motion, such as its position, velocity, or acceleration over time, are defined by kinematics equations of motion. An object's motion in one, two, and three dimensions is determined by these three equations of motion. One of three equations of motion can be used to calculate components like displacement (s), velocity (initial and final), time (t), and acceleration (a). The following are the three motion equations:

Initial formula: v = u + at

The second formula is s = ut + 0.5at2.

The third formula is v2 = u2 + 2as.

Let t stand for the duration of the metal bat's flight, s for the height at which the hot air balloon was traveling, and u for the metal bat's initial vertical velocity since it is simply dropped.

Given: The metal bat took 6 seconds to reach the ground.

With t = 12 and u = 0, the second equation of motion gives us s = 0*t + 0.5*9.81*162 = 176.58 m.

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Distributive property, Subtraction property of equality, and Division property of equality had been used respectively according to the blanks provided.

First is distributive property, which states that if the equation is complex it needs to be simplified. The distributive property uses the PEMDAS rule which is the priority sequence in which the equation needs to be solved.

P stands for Parentheses, E stands for Exponents, M stands for Multiplication, D stands for Division, A stands for Addition, and S stands for Subtraction.

Second is the subtraction property of equality, which states the same number could be subtracted from both the side which is left-hand side and the right-hand side to solve an equation.

And the last is the division property of equality, which states the same number could be divided from both the side which is left-hand side and the right-hand side to solve an equation.

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Answer:

One half times the difference of twenty and a variable is two thirds

one half times the quantity y minus 20 equals two thirds

one half times the quantity 20 minus y equals two thirds

one half times y minus 20 equals two thirds

one half times 20 minus y equals two thirds

0.5(20 - y) = 2/3

One half times the difference of twenty and a variable is two thirds :
1/2(20 - y) = 2/3
[this one im not too sure, please confirm it cause i don't think it is clear enough]

One half times the quantity y minus 20 equals two thirds :
1/2(y - 20) = 2/3

One half times the quantity 20 minus y equals two thirds :
1/2(20 - y) = 2/3

One half times y minus 20 equals two thirds :
1/2 x y - 20 = 2/3

One half times 20 minus y equals two thirds :
1/2 x 20 - y = 2/3

[tex](f+g)(x)=f(x)+g(x)\\\\=\frac{x}{2}-2+2x^2 +x-3\\\\=2x^2 +\frac{3}{2}x-5[/tex]

The answer is 1.83

Step-by-step explanation:

Look it up

Answer:

39$

Step-by-step explanation:

if the tax is 6 dollars 6 goes into 21 3 times making 18 add 18 to 21 and that is your answer.

For this problem we use the formula for compund interest and substitute the 5.5% of interest annually and the initial deposit of $300:

Answer: first option.

Answer:

20(7 + 10)

Step-by-step explanation:

The GCF of 200 and 140 are 20

.: by GCF and factoring we have:

20(7 + 10)

Opening the bracket still gives the initial expression.

The average length of time taken to find a full-time job is 16 and the standard deviation is 10.51.

Total Population = N = 18

Data is given below

[tex]x_{i}[/tex]    6  12  21  15  8  4  6  13  16  30  7  24  10  48  15  14  14  25

Mean = μ = ( ∑ [tex]x_{i}[/tex] ) / N

μ =  ( 6 + 12 + 21 + 15 + 8 + 4 + 6 + 13 + 16 + 30 + 7 + 24 + 10 + 48 + 15 + 14 + 14 + 25 )/18

μ = 288/18 = 16

Mean = μ = 16

[tex]x_{i}[/tex]              6     12   21 15  8    4    6    13  16  30   7     24  10    48   15  14 14  25

([tex]x_{i}[/tex] - μ)^2   100  16  25  1  64  144 100  9   0  196  121  64  36  1024  1    4  4   81

∑([tex]x_{i}[/tex] - μ)^2  = 100 + 16 + 25 + 1 + 64 + 144 + 100 + 9 +  0 + 196 + 121 + 64 + 36  + 1024 + 1  +  4 + 4  + 81  = 1990

Standard Deviation =√ (∑([tex]x_{i}[/tex] - μ)^2 / N )

Standard Deviation =[tex]\sqrt{1990/18}[/tex] = 10.5145 = 10.51

Thus, the standard deviation is 10.51 and the average length of time taken to find a full-time job is 16 .

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The shortest possible time is 15 minutes.

It takes 10 minutes to fry one steak - 5 minutes from each side. Two steaks can fit on a pan. What is the shortest possible time to fry 3 steaks?

If I go with the conventional way then I can fry two steaks together taking ten minutes and then I can fry the third one in another ten minutes. So total time 20 minutes.

Assuming that I have only one pan and three steaks to fry. We can even use unitary method .

I will put two steaks in the pan then after 5 minutes I will take out one steak and put the other steak while I will flip the steak which is still in the pan. So in first ten minutes I have only one steak ready. Then I will flip the newly added steak in the pan and put the half side fully cooked steak also in the pan. So in this way in the coming five minutes my other two steaks will also get cooked. Total time taken=5+5+5=15 minutes.

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Davi needs to sell  131 cups to make at least R$500 profit , the inequality for this story is 3.82x ≥ 500 ,

In the question ,

it is given that

Davi makes R$3.82 per cup of coffee sold .

he needs to make at least R$500 profit

let the number of cups of coffee sold = x  ,

the term "at least"  means " ≥ " ,

So , According to the question , the inequality becomes

3.82x ≥ 500

x ≥ 130.89

x ≥ 131      .....as number of cups cannot be in decimal .

so the minimum number of cups to be sold is 131 cups.

When the inequality x ≥ 131   , will be graphed then the limit will be an closed circle as equal to sign is included in the inequality .

as when the numbers increases , it move towards right side

So, When the inequality is graphed, the line will have an arrow pointing towards the right  .

Therefore , Davi needs to sell  131 cups to make at least R$500 profit ,

the inequality for this story is 3.82x ≥ 500 ,

the limit of graph will be closed circle and arrow will be pointing towards right  .

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Answer: Option 4

Step-by-step explanation: