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3 years ago

Help!!!!!!!!!!!!!!!!!?!?!??!!

Mathematics

1 answer:

denpristay [2]3 years ago

7 0

Answer:

Step-by-step explanation:

I learned this a while ago, if you have the < symbol then you shade below the dotted line. You can get the rest.

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1. If you are asked to use elimination to solve for x", what do you need to multiply the bottom equation by to eliminate "y?

hram777 [196]

Answer:

-5

Step-by-step explanation:

There is different ways to solve methods of elimination but if you wanted to cancel y out you would multiply by the opposite sign....for example

7x + 5y = 19

-5 (2x + y = 19) ---> -10x -5y = 95

this would cancel out your y to solve for x so you can plug it back in and solve! hope this helps!!!

6 0

3 years ago

Eddie's dog weighs 31.8 kilograms. How many grams are equivalent to 31.8 kilograms?

Alchen [17]

Answer:

Step-by-step explanation:

to find the value in grams, we just multiply by a 1000

so, 31.8 × 1000 = 31,800 grams

6 0

2 years ago

Prove: The segments joining the midpoints of the opposite sides of a quadrilateral bisect each other.

zhuklara [117]

Answer:

$R=(\dfrac{b}{2},0)$

$S=(\dfrac{b+c}{2},\dfrac{d}{2})$

$T=(\dfrac{c+e}{2},\dfrac{d+f}{2})$

$U=(\dfrac{e}{2},\dfrac{f}{2})$

$M=(\dfrac{b+c+e}{4},\dfrac{d+f}{4})$

$M=(\dfrac{c+b+e}{4},\dfrac{d+f}{4})$

Step-by-step explanation:

We are given coordinates as:

$A(0,0)\ ,\ B=(b,0)\ ,\ C=(c,d)\ ,\ D=(e,f)\\\\R=(\dfrac{b}{2},0)\ ,\ S=(\dfrac{b+c}{2},\dfrac{d}{2})\ ,\ U=(\dfrac{e}{2},\dfrac{f}{2})\ ,\ T=(\dfrac{c+e}{2},\dfrac{d+f}{2})$

Now, it is given that M is the mid-point of the line segment RT and of US.

Hence, the coordinates of M is given as:

By taking the mid-point of side RT.

$M=(\dfrac{\dfrac{b}{2}+\dfrac{c+e}{2}}{2},\dfrac{0+\dfrac{d+f}{2}}{2}})\\\\\\i.e.\\\\\\M=(\dfrac{b+c+e}{4},\dfrac{d+f}{4})$

By taking the mid-point of side US.

$M=(\dfrac{\dfrac{e}{2}+\dfrac{b+c}{2}}{2},\dfrac{\dfrac{f}{2}+\dfrac{d}{2}}{2})\\\\\\i.e.\\\\\\M=(\dfrac{b+c+e}{4},\dfrac{d+f}{4})$

4 0

4 years ago

Read 2 more answers

Find the measure of x.

Vsevolod [243]

Answer:

The answer is 6

Step-by-step explanation:

All you have to do is take 8x-4 and then combine it with 6x+8 like this...

8x-4=6x+8.

Then you have to add 4 to 8 and you will get 12.

Then you subtract 6 from 8 and get 2. So your equation will look like this...

2x=12

Then you divide 12 by 2 and you get 6 because 6 x 2 is 12.

HOPE THIS HELPS!!!!!!

6 0

3 years ago

When graphing the following equation which one will give you a straight line?

Serhud [2]

Answer:

the second one f(x)=2/3x+1

6 0

3 years ago