I need help with plotting these points

Answer:

If she puts 0 in the box she would have a direct variation.

Step-by-step explanation:

 Given : Lydia writes the equation y = 5x - __ with a missing value.

She puts a value in the box and says that the equation represents a direct variation.We have to choose the correct option from the given options that explain that  the equation could represent a direct variation.When two variables are such that one is a constant multiple of other, we said they are in Direct variation.

That is in form of y = ax , here y and x are in direct variation.Consider the given equation y = 5x  - __

For the equation to be in direct variation the value of missing term has to be 0.

then equation becomes,y = 5x

Thus, If she puts 0 in the box she would have a direct variation.

Option (a) is correct.

Answer:

c

Step-by-step explanation:

Answer:

The answer is c look at the picture below

Step-by-step explanation:

Answer:

d

Step-by-step explanation:

Answer:

this is a no solution

Step-by-step explanation:

Given that an object with a mass of 54kg travels at 15m/s^2, determine the kinetic energy of the object.

KE =  0.5 x mv^2

M (mass) = 54kg

V (velocity) = 15m/s^2

Then, we plug the values in.

KE =  0.5 x 54(15^2)

Now, we solve.

KE = 0.5 x 54(225)

KE = 0.5 x 12150

KE = 6075

Now, that we have solved the formula, we can see that the kinetic energy of the object is 6,075J.

Thus, the kinetic energy of the object is 6,075J.

We have been given that a new car, originally worth $35,795, depreciates at a rate of 17% per year. The value of the car can be represented by the equation [tex]y=35795(0.83)^x[/tex], where x represents the number of years since purchase and y represents the value (in dollars) of the car.

To find the value of car of after 5 years, we will substitute [tex]x=5[/tex] in our given equation as:

[tex]y=35795(0.83)^5[/tex]

[tex]y=35795\cdot (0.3939040643)[/tex]

[tex]y=14099.79598[/tex]

Upon rounding to nearest tenth, we will get:

[tex]y\approx 14099.8[/tex]

Therefore, the car will be worth $14,099.8 after 5 years it is first purchased.

Since $14,099.8 is less than original value of car, therefore, we know hat value of car is depreciating and $14,099.8 is correct answer.

We also know that an exponential decay function is in form [tex]y=a(1-r)^x[/tex], where,

y = Final value after t years,

a = Initial value,

r = Decay rate in decimal form,

x= Time.

[tex]17\%=\frac{17}{100}=0.17[/tex]

[tex]y=35795(1-0.17)^x[/tex]

[tex]y=35795(0.83)^x[/tex]

Answer:

80

Step-by-step explanation:

if 1=40

2 = x

1*x=2*40

x=80

Answer:

80 ounces

Step-by-step explanation:

Let x ounces of gas is needed for 3 ounces of oil.

[tex] \therefore \: \frac{40}{1} = \frac{x}{2} \\ \therefore \: x = 40 \times 2 \\ \huge \purple{ \boxed{\therefore \: x = 80 \: ounces}} \: [/tex]

Answer:

4,10

Step-by-step explanation:

We want where they both overlap

X must be greater than 0

We cannot have parts of figures so we must have whole numbers

(6,9) is too large

Answer:

A

Step-by-step explanation:

The solution set is the purple region. The intersection lies at (4,10)

The region is towards left of x=4 so it can't be D

x and y have to be non-negatve integers. So it can't be B or C

Answer:

Well, since we are not given any graphics or additional information, I'll resort to listing four triangle area formulas:

1) triangle area = (1/2) * base * height

2) Heron's Formula  ("s" = semiperimeter, which is the sum of all 3 sides divided by two)

triangle area = square root [s * (s - side a) * (s - side b) * (s - side c)]

3) For 2 sides and the INCLUDED Angle:

Area = side 1 * sine (angle A) * side 2

Step-by-step explanation:

Answer:

I'm pretty sure it's 14 not sure but positive

Answer:

None of them can be a solution

Step-by-step explanation:

Answer:

2-(2*N)=22

Step-by-step explanation:

Answer:

Mark earns 12 dollars an hour, and Steven earns 15 dollars.

Mark earned 6*12=72 dollars, and Steven earned 15*5=75 dollars.

Step-by-step explanation:

Let's set Mark's salary as x.

Steven=x+3

Last Friday, Steven earned 5(x+3) dollars, while Mark earned 6x dollars.

We can write the sum of these salaries as:

5(x+3)+6x=147

5x+15+6x=147

11x+15=147

11x=132

x=12

Then, we can substitute x with 12.

Mark earns 12 dollars an hour, and Steven earns 15 dollars.

Mark earned 6*12=72 dollars, and Steven earned 15*5=75 dollars.

Answer: Mark earns 12 dollars an hour, and Steven earns 15 dollars.

Mark earned 6*12=72 dollars, and Steven earned 15*5=75 dollars

Step-by-step explanation:

Work Shown:

a = first term = 1

r = 0.8 = common ratio

We know the common ratio is 0.8 because we multiply this common ratio by each term to get the next term. The easiest to spot this is going from term1 to term2. Put another way, term2/term1 = 0.8/1 = 0.8 is our common ratio.

The general form of the nth term of a geometric sequence is [tex]a(r)^{n-1}[/tex] and because the last term has an exponent of 19, this means n-1 = 19 solves to n = 20. Therefore, we are summing exactly n = 20 terms here.

Use the formula below to take a shortcut rather than painstakingly find all 20 terms and then summing them.

[tex]S = \frac{a*(1-r^n)}{1-r}\\\\S = \frac{1*(1-0.8^20)}{1-0.8}\\\\S \approx \frac{1*(1-0.01152921504607)}{1-0.8}\\\\S \approx \frac{1*(0.98847078495393)}{0.2}\\\\S \approx \frac{0.98847078495393}{0.2}\\\\S \approx 4.94235392476964\\\\[/tex]

This value is approximate.

------------

To check your answer, you could type the following into your calculator

1+0.8+0.8^2+0.8^3+0.8^4+0.8^5+0.8^6+0.8^7+0.8^8+0.8^9+0.8^10+0.8^11+0.8^12+0.8^13+0.8^14+0.8^15+0.8^16+0.8^17+0.8^18+0.8^19

Though as you can see, this is very tedious to type in. This is why the formula in the previous section above is preferred.

Answer:

€14.22

Step-by-step explanation:

0.79 × 18 = 14.22

Answer:

Choice 2

Step-by-step explanation:

1 dollar: 0.79 euros=

18 dollars:x euros

x=18*0.79 or 14.22 euros. Hope this helps!

Answer:

A. X

The dots follow the red line better than the rest.

Answer: it is x

Step-by-step explanation: The dots are closest to the line instead of being more scattered like the other answers, therefore the answer is x.

Answer:3 7/8

Step-by-step explanation:A. I think you just want the answer not the explanation. :)

Answer:

m

Step-by-step explanation:

Answer:

It would cost $232.32, this answer is rounded.

Step-by-step explanation:

The formula for the volume of a square pyramid is:

[tex]V=a^2\frac{h}{3}[/tex]

So its just:

[tex]8.8^2\frac{12.5}{3} = 322.67 cm^3[/tex]

Then you just multiply the volume by the cost per cubic centimetre:

[tex]322.67cm^3*$0.12=$38.704[/tex]

After just multiply the cost of one by how many you want, which is 6:

[tex]38/704*6=232.32[/tex]

The cost to manufacture 6 paper weight is $232.32

where

b = base

h = height

Therefore,

v =  1 / 3 × 8.8² × 12.5

v = 1 / 3 × 77.44 × 12.5

v = 968 / 3

v = 322.666666667 cm³

1 cm³ = $0.12

322.67 cm³ = ?

cost of a paperweight = 322.67 × 0.12 = $38.72

Therefore,

1 paper weight = $38.72

6 paper weight = ?

cross multiply

cost of 6 paper weight = 6 × 38.72

cost of 6 paper weight = $232.32

learn more on square pyramid here; https://brainly.com/question/16978043?referrer=searchResults

Answer:

Correct answer is c.) [tex]f(x)=(x-2)^2-1[/tex]

Step-by-step explanation:

The vertex form of a parabola can be written as following:

[tex]y = a(x-h)^2 + k ....... (1)[/tex]

[tex](h,k)[/tex] is the co-ordinate of vertex.

[tex]a[/tex] is a constant whose positive or negative value decides where the parabola opens (up or down).

[tex](x,y)[/tex] are the points on parabola.

[tex]y[/tex] and [tex]f(x)[/tex] are interchangeable terms. We can use any of them.

For convenience with the co-ordinates in [tex]xy-[/tex]plane, [tex]y[/tex] is used here.

We are given that vertex is at (2,-1) and there is a point (5,8) on the curve.

i.e. h = 2 and k = -1,

x = 5 and y = 8

Putting the four values in equation (1):

[tex]8 = a(5-2)^2 + (-1)\\\Rightarrow 8 = a(9) -1\\\Rightarrow 9 = 9a \\\Rightarrow a = 1[/tex]

Putting values of [tex]a[/tex] and [tex](h,k)[/tex] in equation (1) to find the equation of parabola:

[tex]y=(x-2)^2-1[/tex]

As told earlier as well, [tex]y[/tex] and [tex]f(x)[/tex] are interchangeable terms.

So, correct equation of parabola is option C) [tex]f(x)=(x-2)^2-1[/tex]

Answer:

Tim's box volume is 27 times greater than Emmy's.

Step-by-step explanation:

The volume of a cube is given by the following expression:

volume = l³

Since Emmy's cube have a 3 centimeters long edge, then it's volume is:

volume1 = 3³ = 27 cm³

On the other hand Tim's cube has an edge that is 3 times as long as Emmy's, so it's 9 centimeters long. Therefore it's volume is:

volume2 = 9³ = 729 cm³

The relation between the volume is given by:

ratio = volume2/volume1 = 729/27 = 27

Tim's box volume is 27 times greater than Emmy's.

Answer:

19.2

Step-by-step explanation:

you just need to add them then you will be just

Answer:

123

Step-by-step explanation:

to find the current value of one share just do this

23/100*100=23 so just add 23 on 100 and you will get 123 which is the current value of one share.

Answer: What are you doing?

Step-by-step explanation:

At the top, it clearly says to do the quiz without help.

Answer:

72 dessert options available

Step-by-step explanation:

3*6*4=72

Answer:

The other two numbers depend on what type of triangle it is.

Step-by-step explanation:

if if it is isosceles and may vary however if it is scalene the measures of the other two angles can vary greatly and it will not likely be 45 degrees to 45 degrees.

Answer: I believe that answer is D.

Step-by-step explanation:

-The angle below it is also 120 degrees.

-It definitely can’t be 35 or 60 degrees because the angle is bigger than a right angle.

Right angle-is 90 degrees exactly

Hope this helps!

Answer:

yeah its most definitly D

Step-by-step explanation:

...

Answer:

x=-9

Step-by-step explanation:

6x=-54

Divide both sides by 6.

-54/6 = -9

x=-9

Look at the attached picture

Hope it will help you

Unimodal means one hump; symmetric means there's a central axis of symmetry, here at x=4.  

Answer: B. Unimodal symmetric

Answer:

It's the last one: One-sixth n minus 2 = negative two-thirds

Step-by-step explanation:

Hope this helps!!

Answer:

(4,-3)

Step-by-step explanation:

This is where the 2 lines meet

Answer:

- 1/2

Step-by-step explanation:

edit (sorry i was wrong)