can't figure this out​

Answer:

In arithmetic, variables look like letters.

Step-by-step explanation:

As we know that Mathematical arithmetic deals with numbers and certain properties with them.

Some of the main properties between numbers are as follows:

Variables do not remain constant, so we basically assign a number to a variable with an equal operator denoted by '='.

For example, let us assume a variable x being equal to 7. so it can written as:

[tex]x = 7[/tex]

Let suppose the value of the variable x=7 changes to x=10, then the new value will be:

[tex]x = 10[/tex]

Therefore, the correct answer is:

In arithmetic, variables look like letters.

Answer:

let me bang you

Step-by-step explanation:

in and out in and out over and over i  shot you with my lotion

Answer:

the answer is y = - ½ ...............

Answer:

[tex] \sf p = \dfrac{i}{rt} [/tex]

Step-by-step explanation:

Solve for p:

[tex] \longrightarrow [/tex] i = prt

i = prt is equivalent to prt = i:

[tex] \longrightarrow [/tex] prt = i

Divide both sides by rt:

[tex] \longrightarrow [/tex] [tex] \sf \dfrac{prt}{rt} = \dfrac{i}{rt} [/tex]

[tex] \sf \dfrac{prt}{rt} = p: [/tex]

[tex] \longrightarrow [/tex] [tex] \sf p = \dfrac{i}{rt} [/tex]

Answer:

Option A is the best answer

Step-by-step explanation:

Let me know if this is wrong, I believe it is correct.

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Actually Welcome to the Concept of the Factors.

1.) x^2-3x-10 = (x-5) (x+2)

2.)x^2-3x-18 = (x-6) (x+3)

Answer:

triangular pyramid

Step-by-step explanation:

its 4 triangular shapes put them together and you get a pyramid not a rectangular, square pyramid or prism and neither a triangular prism

Answer:

x = 18/5

General Formulas and Concepts:

Pre-Alg

Step-by-step explanation:

Step 1: Define equation

-5/6x = -3

Step 2: Solve for x

Step 3: Check

Plug in x to verify it's a solution.

A)The gallons of gas needed to make 320 miles = 24 gallons of gas

Explanation

Step 1: To find the gallons of gas needed to make 1mile

The car uses 15 gallons of gas to make 200 miles.

from this we get,

gallons of gas needed to make 1mile = 15/200 =3/40

Step 2: To find the gallons of gas needed to make 320 miles

Therefore, the gallons of gas needed to make 320 miles = 320 x(3/40) = 24 gallons of gas

Answer: b= 41$

c= 5.333 lb

Step-by-step explanation:

b explanation. $57.40/7=$8.20*5=$41

c explanation.   4 pounds         x pounds

                          ----------- = -------------

                       9 dollars         12 dollars  

Set up a proportion, then cross multiply.

9x = 4(12)

  9x = 48

    x = 48/9

    x = 5.3333 lbs

9514 1404 393

Answer:

Step-by-step explanation:

The difference of these numbers is 6, so the next two terms of an arithmetic sequence would be 8+6 = 14, and 14+6 = 20.

The ratio of these numbers is 4, so the next two terms of a geometric sequence would be 8×4 = 32, and 32×4 = 128.

Any pair of numbers can be used that is not (14, 20) or (32, 128).

The next two terms could be 0 and 1, or they could be 14 and 32.

  2, 8, 0, 1 . . . is a sequence of no particular type

  2, 8, 14, 32 . . . is a sequence of no particular type

Answer:

Step-by-step explanation:

The formula is F(d) = 100+0.10d.

We must find the cost per meter to write the function. We know that the cost to climb a 3000 meter mountain was 400:

400=100+3000(x)

Subtract 100 from each side:

400-100 = 100+3000x-100

300 = 3000x

Divide both sides by 3000:

300/3000 = 3000x/3000

0.10 = x

This is the cost per meter.  Using this, we have the formula

F(d) = 100+0.10(d)

Answer:

Step-by-step explanation:

Considering all the given and the vertical distance of 3000 m we get below equation

Solving, we find the fee for each meter:

So the equation for total fee including climbing x meters is:

We must use slope formula* to solve this.

[tex]\frac{-13 - (-10)}{3 - (-6)}\\\\\frac{-3}{9} = -\frac{1}{3}[/tex]

m** = [tex]-\frac{1}{3}[/tex]

*Slope Formula: [tex]m = \frac{y_2 - y_1}{x_2 - x_1}[/tex]

**m is the symbol for slope.

Answer:

Step-by-step explanation:

Area formula

Then

Answer:

Theres no image but try to use the lines in the thermometer

Step-by-step explanation:

Answer:

26°D.

step-by-step-ansegdkuydfgukfh

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[tex]angle \: 2 \: = angle \: 5[/tex]

[tex]3x - 20 = x + 20[/tex]

Add sides 20

[tex]3x - 20 + 20 = x + 20 + 20[/tex]

[tex]3x = x + 40[/tex]

Subtract sides x

[tex] - x + 3x = - x + x + 40[/tex]

[tex]2x = 40[/tex]

Divide sides by 2

[tex] \frac{2x}{2} = \frac{40}{2} \\ [/tex]

[tex]x = 20[/tex]

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Answer:

(0,-2) and (1,1)

Step-by-step explanation:

The solution points at the intersection of what is above the orange line and belothe blue line.

(-5, 5) is only in the orange zone so X

(0,3) is on the blue line that is doted so X

(0,-2) is on the orange line that is solid so ✅

(1,1) is in the orange and blue so ✅

(3,-4) is in the blue zone only so X

Answer:

hoi

Step-by-step explanation:

Answer:

69.46 km

Step-by-step explanation:

Just did on Edge 2020

The distance of the plane from its original location is 69.46 km

The Pythagoras theorem states that if a triangle is right-angled, then the square of the hypotenuse is equal to the sum of the squares of the other two sides.

Formula of Pythagoras theorem

Hypotenuse² = Perpendicular² + Base²

According to the question

A plane flies 35 km in the direction N 30° W,

and then flies 60 km in the direction N 60° E

i.e

When we plot its figure

we will observe it will form a right angled triangle

with perpendicular = 35 km ,  Base = 60 km

and Hypotenuse = distance form original location to current location

Now,

By using the formula of Pythagoras theorem

Hypotenuse² = Perpendicular² + Base²

Hypotenuse²  = 35² + 60²

Hypotenuse² = 4825

Hypotenuse = 69.46 km

Hence, the distance of the plane from its original location is 69.46 km.

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Answer:

There is no picture shown below.

Step-by-step explanation:

Consider making another question, and actually putting the picture!

Answer:

both are D

Step-by-step explanation:

HOPE IT HELPS

Answer:

Answers to both questions is D

Step-by-step explanation:

Answer:

C. 200 minutes, $260

Step-by-step explanation:

The equations would look like this

Lynn = y = 1.10x + 40

Heather = y = 1.15x + 30

Now just plug in.

Lynn

260 = 1.10(200) + 40

260 = 220 + 40

260 = 260

Heather

260 = 1.15(200) + 30

260 = 230 + 30

260 = 260

Hope this helps ya! Keep smiling!

Answer:

4.1, 4.14, 4 1/5, 17/4, 4.41

Definition:

A line is a one-dimensional figure, characterized by its length but no width (thickness). A line is made of a set of points which is extended in opposite directions infinitely.

A line is determined by two points in a two-dimensional plane such as the x-y plane.

The graph of a function can be represented by a line because all points on the line provide a solution to the function. Such functions are usually linear functions.

Read more;

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Answer:

20 ft

Step-by-step explanation:

30 ft/ 12 inches= 2.5ft/in x 8 in= 20 ft

I hope this helps and good luck!

The line which represents the width of the room equal to 8 inches long on a blueprint, by the architect, has the size of the room 20 foot.

Scale factor is the factor which is used to enlarge or smaller the original figure.

Scale factor is the ratio of representation measurement of the figure to the original figures.

On a blueprint, an architect drew a 12-inch line to represent the length of a 30-foot room.  Thus, the scale factor of foot to inch is,

[tex]k=\dfrac{30}{12}[/tex]

Let suppose the line that represents the width of the room is 8 inches long, has the size of room in foot is x. Thus,

[tex]k=\dfrac{8}{x}\\\dfrac{12}{30}=\dfrac{8}{x}\\x=\dfrac{30\times8}{12}\\x=20[/tex]

Thus, the line which represents the width of the room equal to 8 inches long on a blueprint, by the architect, has the size of the room 20 foot.

Learn more about the scale factor here;

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Answer:

1/3

Step-by-step explanation:

The ratio can be written as a fraction. This would be 28/84. You simplify ratios just like how you simplify a fraction. 28x3 is actually 84, so the answer in simplest form is 1/3.

Hope this helps and have a great day!! []~(^▽^)~*

The ratio of the number of red pens to the number of black pens in simplest form is, 1 : 3.

A ratio indicates how many times one number contain in another number. The ratio of two number is written as x : y, which is equivalent to x/y. Where, x and y are individual amount of two quantities. And, Total quantity gives after combine as x + y.

We have to given that;

There are 28 red pens and 84 black pens in a bag.

Here, Number of red pens = 28

And, Number of black pens = 84

Hence, The ratio of the number of red pens to the number of black pens is,

⇒ Number of red pens : Number of black pens

⇒ 28 : 84

⇒ 28/84

⇒ 14 / 42

⇒ 1 / 3

⇒ 1 : 3

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Answer:

5

Step-by-step explanation: 3x5=15

Answer: y=-9/8x+7

Step-by-step explanation:

Answer:

[tex]y = \frac{ - 9}{8} x + 7[/tex]

Step-by-step explanation:

Slope intercept form is

y=mx+b

(m) is slope

(b) is y intercept

The y intercept is where ethe line crosses the y axis [vertical axis]

The line crosses at (0, 7)so our b=7, now we need slope.

The formula for slope is (y₂-y₁)/(x₂-x₁),

which is the y of the second given point minus the y of the first given point divided by the x of the second given point over the x of the 1st given point.

(-2-7)/(8-0)

-9/8 is our slope

put our (m) and (b) into the formula

y=-9/8x+7

Hope this helps! If you have any questions on how I got my answer feel free to ask. Stay safe!