Answer:
A
Step-by-step explanation:
using the theorem of Pythagoras
<em>x</em><em> </em><em>=</em><em> </em><em>sqrt</em><em>*</em><em> </em><em>1</em><em>9</em><em>.</em><em>6</em><em> </em><em>^</em><em>2</em><em> </em><em>-</em><em> </em><em>1</em><em>5</em><em>.</em><em>4</em><em>^</em><em>2</em><em>*</em>
<em>x</em><em> </em><em>=</em><em> </em><em>7</em><em>×</em><em> </em><em>sqrt</em><em>*</em><em> </em><em>3</em><em>*</em>
<em>x</em><em> </em><em>=</em><em> </em><em>1</em><em>2</em><em>.</em><em>1</em><em> </em><em>units</em><em> </em>
Answer:
B) Rays AB and AE
Step-by-step explanation:
Though A-F, A-D, and A-C all meet at one point on line B-E, point A, they aren't a <em>part</em> of it. Point A on line B-E marks the "midpoint" of it, and therefore, ray A-E and A-B are part of line B-E.
Answer:
C
Step-by-step explanation:
The equation of a line in slope- intercept form is
y = mx + c ( m is the slope and c the y- intercept )
Calculate m using the slope formula
m = (y₂ - y₁ ) / (x₂ - x₁ )
with (x₁, y₁ ) = (0, - 1) and (x₂, y₂ ) = (- 1, 1)
m = 
= 
= - 2
Note the line crosses the y- axis at (0, - 1) ⇒ c = - 1
y = - 2x - 1 → C
12 - 7 is 5. you can count down 7 times from 12 like: 12, 11, 10, 9, 8, 7, 6, 5.
If you want to measure a room you can use area to help you
