2 years ago

Area of a polygon ... how do we solve this?

Mathematics

1 answer:

liraira [26]2 years ago

8 0

I dont know but I do know it’s not a

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What is the x coordinate of the solution of the system? 2x+y=15 and x-y=3

Varvara68 [4.7K]

x - y = 3

x = 3 + y

x -3 = y

y = x-3

put it in 1st equation

2x +y = 15

2x + x - 3 = 15

3x - 3 = 15

3x = 15+3 = 18

x = 18/3 = 6

x = 6

6 0

3 years ago

Which statement is true about the equations -3x + 4y = 12 and 1/4x-1/3y= 1?

Contact [7]

Answer:

the third selection is corret

Step-by-step explanation:

Ax + by + c = 0, k = - a/b.

so The slope of the first line = $\frac{4}{3}$ ,

the slope of the second line = $\frac{4}{3}$ ;

So these two lines are parallel and they don't intersect

4 0

2 years ago

The log of x cubed times y squared simplified

tresset_1 [31]

Answer:

$log(x^{3}y^{2}) = 3 log x+2 log y$

Step-by-step explanation:

Step 1:-

using logarithmic formula $log(ab)=log a+log b$

so given $log(x^{3} y^{2} ) = log (x^{3} )+log(y^{2} )$

now simplify

= $3 log x+2 log y$

<u>Answer:</u>-

$log(x^{3}y^{2})= [tex]3 log x+2 log y$

4 0

3 years ago

In an auditorium,10,200 people were seated in 12 rows. Find number of people in each row. ____________

dalvyx [7]

Answer:

850 people

Step-by-step explanation:

10,200 people in 12 rows

÷ 12 on both sides:

$\frac{10200}{12}$ people in $\frac{12}{12}$ rows

$850$ people in $1$ row.

4 0

2 years ago

Factor x^3-4x^2+7x-28

puteri [66]

Answer:

(x−4)(x^2+7)

There you GO!

3 0

3 years ago