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strojnjashka [21]
3 years ago
5

Need help solving these 3 equations, please help.

Mathematics
1 answer:
pantera1 [17]3 years ago
3 0
1.) r=-1/3
2.) x=-33/29
3.) x=-4/5 x=2/5
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Just this question I've tried but don't understand it
ANEK [815]
I plugged it in to a truncated square pyramid calculator and got v=76
the formula for this shape is V=1/3(A squared+AB+B squared)H.
3 0
3 years ago
HELP NEEDED PLEASE!!!! This math question confuses me. I thought the line didn't pass through any other point but I cant figure
Vanyuwa [196]

Answer:

B

Step-by-step explanation:

So wiggly, remember that slope is change in y/change in x, or in simpler terms, y/x. Thinking of this, y/x must simplyfy to -3. Or, you can think of it as -3/1.

So know that we have rewrote this as a slope of -3/1, lets use it. Where do we start? Well, we must start at point A, which is at 2 x and 7 y.

Now, going to the  RIGHT(+1x) and going DOWN(-3y) we will go from 2x and 7y to 3x and 4y.

Are we on a point yet? Nope, lets do this again.

Now going to RIGHT again(+1x) and going DOWN again(-3y) we will go from 13x and 4y to 4x and 1y.

Are we on a point yet? Still no, lets try this one more time.

Now going to RIGHT again(+1x) and going DOWN again(-3y) we will go from 4x and 1y to 5x and -2y.

Are we on a point? YUP. We cna see that point B is at 5x and -2y.

Hope you get it right ;)

4 0
3 years ago
Find the solution to the system of equations: x + 3y = 7 and 2x + 4y = 8 1. Isolate x in the first equation: 2. Substitute the v
klemol [59]
X + 3y = 7
x = -3y + 7

2x + 4y = 8
2(-3y + 7) + 4y = 8
-6y + 14 + 4y = 8
-2y = 8 - 14
-2y = - 6
y = -6/-2
y = 3

x + 3y = 7
x + 3(3) = 7
x + 9 = 7
x = 7 - 9
x = -2

solution is (-2,3)
6 0
3 years ago
Read 2 more answers
PLEASE HELP! ASAP! WILL MARK BRAINLIEST IF CORRECT!!!!!
Volgvan

Answer:

D.............................................

Step-by-step explanation:

im sorry if im wrong

6 0
3 years ago
How many centimeters are in 1.3 meters
Fiesta28 [93]
There are 130 centimeters in 1.3 meters
4 0
3 years ago
Read 2 more answers
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