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2 years ago

How to Graph y = x - 3?

Mathematics

2 answers:

Nadusha1986 [10]2 years ago

8 0

$\huge\boxed{Hi\;there!}$

We are given the equation of the line, and asked to graph it.

First of all, the slope of our line is 1.

Which means we will move up 1, over 1 and so on.

-3 is our y-intercept. That's the point where the graph touches the y-axis.

The coordinates of the point are

(0, -3)

$\huge\boxed{\sf{Answer:\;the\;slope\;is\;1; \;the\;y-intercept\;is\;-3.}}$

$\huge\bold{\underline{\underline{I\;really\;hope\;you\;find\;my\;answer\;helpful.}}}$

$\sf{Answered\;by$

$\rm{StillEnjoyingLife :)$

Sholpan [36]2 years ago

7 0

Answer of Graph attached as picture. Check.

Answered by Benjemin

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raj and his sister zia are both at secondary school. Raj is three years older than zia. the sum of the squares of their ages is

steposvetlana [31]

Let's assume

Raj's age is x years

Zia's age is y years

we are given

Raj is three years older than zia

so, we get

$x=y+3$

now, we can solve for y

$y=x-3$

the sum of the squares of their ages is 369

so, we get

$x^2+y^2=369$

now, we can plug back y

$x^2+(x-3)^2=369$

now, we can solve for x

$2x^2-6x+9=369$

$2x^2-6x-360=0$

$x^2-3x-180=0$

$(x+12)(x-15)=0$

$x=-12 , x=15$

Since, age can not be negative

so, we will only consider positive

$x=15$

now, we can find y-value

$y=15-3$

$y=12$

So,

Raj's age is 15 years

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8 0

3 years ago

What’s the value of x ?

ioda

Answer:

x=70

Step-by-step explanation:

Because these angles are on the opposite sides of each other, they have to add up to 180. This will make the equation 2x-5+45=180. Simplify this to get 2x+40=180. Subtract 40 from both sides to get 2x=140. Divide each side by 2 to isolate x. x=140/2. Simplify this to get x=70.

If this helps please mark as brainliest

3 0

3 years ago

Read 2 more answers

A box contains a collection of triangular and square tiles. There are 25 tiles in the box and 84 edges . How many square tiles a

NikAS [45]

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x + y = 25 and 4x + 3y = 84

The first one would refer to the number of tiles and the second one to number of edges.

We will be using the first equation to the second equation and solve for one. So if we will be looking for y for instance, then x in the second equation would be substituted with x = 25 - y which would look like this:

4 (25 - y) + 3y = 84

Solve.

100 - 4y + 3y = 84
-4y +3y = 84 - 100
-y = -16
-y/-1 = -16/-1
y = 16

Then:
x = 25 -y
x = 25 - 16
x = 9

So the answer is that there are 9 square tiles and 16 triangular tiles.

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3 years ago

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tankabanditka [31]

If the triangle has an obtuse angle (>90 degrees), it can be classified as an obtuse triangle Not sure where the 42 inches is used Hope this helps

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Grace [21]

Answer:

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