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vladimir2022 [97]

3 years ago

11

What are various ways you can use information given to you to determine the equation of a line

1 answer:

OLEGan [10]3 years ago

4 0

Y = mx + b
You can use the y intercept to find b.
You can use a slope triangle to find m.
You can list the points of x and y itself to make a table and to plug in the equation for x and y.
pls return favor and answer question in profile 20 points thanks

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11111nata11111 [884]

Answer:

Well first see what the points are

Step-by-step explanation:

5 0

3 years ago

The pressure of a man sitting on a surface with an area of 24 square meters is 15Pa calculate the force exerted by the man

pogonyaev

Answer:

help me and i will help you

Step-by-step explanation:

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3 years ago

How many solutions are there to the following system of equations?<br> 10x+5y=5<br> 4x+2y=2

umka21 [38]

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3 years ago

Now there is a square city of unknown size with a gate at the center of each side. There is a tree 20 b from the north gate. Tha

Brums [2.3K]

Answer:

The length of each side of the city is 250b

Step-by-step explanation:

Given

$a = 20$ --- tree distance from north gate

$b =14$ --- movement from south gate

$c = 1775$ --- movement in west direction from (b)

See attachment for illustration

Required

Find x

To do this, we have:

$\triangle ADE \sim \triangle ACB$ --- similar triangles

So, we have the following equivalent ratios

$AE:DE = AB:CB$

Where:

$AE = 20\\ DE = x/2 \\ AB = 20 + x + 14 \\ CB = 1775$

Substitute these in the above equation

$20:x/2 = 20 + x + 14: 1775$

$20:x/2 = x + 34: 1775$

Express as fraction

$\frac{20}{x/2} = \frac{x + 34}{1775}$

$\frac{40}{x} = \frac{x + 34}{1775}$

Cross multiply

$x *(x + 34) = 1775 * 40$

Open bracket

$x^2 + 34x = 71000$

Rewrite as:

$x^2 + 34x - 71000 = 0$

Expand

$x^2 + 284x -250x - 71000 = 0$

Factorize

$x(x + 284) -250(x + 284)= 0$

Factor out x + 284

$(x - 250)(x + 284)= 0$

Split

$x - 250 = 0 \ or\ x + 284= 0$

Solve for x

$x = 250 \ or\ x =- 284$

x can't be negative;

So:

$x = 250$

6 0

3 years ago

<img src="https://tex.z-dn.net/?f=%5Csqrt%7B8%7D%2B%5Csqrt%7B18%7D-%5Csqrt%7B32%7D" id="TexFormula1" title="\sqrt{8}+\sqrt{18}-\

eduard

√8+√18−√32
√2^2·2+√3^2·2−√2^4·2
√2^ 2·√2+√3^2·√2−√2^4·√2

√2 is the answer

7 0

3 years ago