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3 years ago

What's slope Line pass through( 14, 4)( 21, 6 )

Mathematics

1 answer:

GarryVolchara [31]3 years ago

6 0

Answer:

$\displaystyle m=\frac{2}{7}$

General Formulas and Concepts:

Pre-Algebra

Order of Operations: BPEMDAS

Brackets
Parenthesis
Exponents
Multiplication
Division
Addition
Subtraction

Left to Right

Algebra I

Coordinates (x, y)
Slope Formula: $\displaystyle m=\frac{y_2-y_1}{x_2-x_1}$

Step-by-step explanation:

Step 1: Define

Point (14, 4)

Point (21, 6)

Step 2: Find slope m

Simply plug in the 2 coordinates into the slope formula to find slope m

Substitute in points [Slope Formula]: $\displaystyle m=\frac{6-4}{21-14}$
[Fraction] Subtract: $\displaystyle m=\frac{2}{7}$

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The length of one side of the poster is _in

navik [9.2K]

Note that the area of a square is: A = s² (s being side). Also note that all the sides of the square are congruent and have the same measurement.

Plug in 37 for A

37 = s²

Isolate the s. Note the equal sign. What you do to one side, you do to the other. Root both sides

√37 = √s²

s = √37

Change the root to a decimal

s = √37 = ~6.1 (rounded to the nearest tenth)

6.1 in is your answer

hope this helps

4 0

3 years ago

How would I solve -x^2 = -36?

MrRissso [65]

Let's solve your equation step-by-step.
-x^2 = -36

Step 1: Divide both sides by -1.
-x^2/-1 = -36/-1
x^2 = 36

Step 2: Take square root.
x=±√36
x=6 or x=−6

Answer: x=6 or x=−6

I hope this helps you! :)

5 0

3 years ago

Read 2 more answers

How would you find an interquartile range with just numbers?

Stolb23 [73]

Answer:

IQR is 3.5

Step-by-step explanation:

Step 1: Organize the numbers in numerical order

0,0,2,2,3,4,6,8

Step 2: Break the set up into quartiles (4 parts)

0 0 | 2 2 | 3 4 | 6 8

Step 3: Find the average of each quartile

0 | 2 | 3.5 | 7

Step 4: Find the IQR (Q3-Q1)

3.5-0=3.5

Therefore, the IQR is 3.5

8 0

3 years ago

What are the solutions of the equation x4 – 5x2 - 36 = 0? Use factoring to solve.

balandron [24]

Answer:

x = -2i and x = 2i

x = 3 and x = - 3

Step-by-step explanation:

x^4 - 5x^2 - 36 = 0

let u = x^2 and substitute

we have:

u^2 - 5u - 36 = 0

(u - 9)(u + 4) = 0

u = 9 and u = - 4

substitute back for u

x^2 = 9

x = 3 and x = - 3

x^2 = -4 -- i am going to assume you've learned imaginary numbers; otherwise, you cannot take the square root of a negative number.

x = -2i and x = 2i

5 0

3 years ago

A=2(l+w) solve for w

Maru [420]

Solving an equation means finding a value of a variable that make the equation true. This value is called the solution of the equation. A mathematical equation is just like a balanced equation. Both sides of the equation should be equal at all times. Whatever we do to one side, has to be done on the opposite side.

$A=2(l+w)$

$\dfrac{a}{2}=l+w

$ $Divide \ both \ sides \ by \ 2$

$\dfrac{a}{2}-l=w

 
$ $Subtract \ l \ from \ both \ sides$

$w= \dfrac{a}{2}-l$

8 0

3 years ago