2 years ago

I’m lost could some one please help

1 answer:

7 0

You know one angle is 72°. They all equal 180. Subtract 72 from 180. Take the remaning answer and subtract 2 from the *x +2* so you have 2 x's. Devide the remaing number by two and thats the x value.

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64-144a+108a^2-27a^3

Nataly [62]

Answer:

= -27a^3+108a^2-144a+64

Step-by-step explanation:

Simplify:

=64-144a+108a^2-27a^3

=64+-144a+108a^2+-27a^3

Answer

= -27a^3+108a^2-144a+64

5 0

3 years ago

Use the distributive property to remove the parentheses. -9(-3y-w+6)

max2010maxim [7]

Answer:

27y +9w -54

Step-by-step explanation:

-9(-3y-w+6)

Distribute

-9*-3y -9*-w -9 *6

27y +9w -54

4 0

3 years ago

Find the value of -(-2x+1)=9-14x

Elodia [21]

2x - 1 = 9 - 14x

16x - 1= 9

16x = 10

x = 10/16
x= 5/8 is the answer

7 0

2 years ago

Dose someone know hope to do this can someone help

Art [367]

The point where they intersect

5 0

2 years ago

Read 2 more answers

A line has a slope of -4 and passes through the point (2,-5) <br> which is the equation of the line

dimulka [17.4K]

We will be using the Point Slope formula which is $y-y_{1} =m(x-x_{1} )$

The information we are given is that m = -4 and the point is (2,-5), so we can input it into the equation.

$y- (-5) = -4(x-2)$

This simplifies into $y+5 = -4x +8$

Then we can subtract 5 from each side to get the answer:

$y = 4x+3$

6 0

3 years ago