Answer:
-10x+23
Step-by-step explanation:
Answer:
rounded to nearest ten - 3,060
rounded to nearest thousand - 3,000
These should be the answers. Hope this helps!
Opposite reciprocal of each other
So two perpendicular liens would maybe have the slopes:
3 and -1/3
Answer:
y = 1/4x - - 9
General Formulas and Concepts:
<u>Pre-Algebra</u>
<u>Algebra I</u>
Slope-Intercept Form: y = mx + b
- m - slope
- b - y-intercept
Step-by-step explanation:
<u>Step 1: Define</u>
8y - 2x = -72
<u>Step 2: Rewrite</u>
<em>Find slope-intercept form</em>
- Add 2x on both sides: 8y = 2x - 72
- Divide 8 on both sides: y = 1/4x - - 9
Answer:
Length DE= 2√2
Length EF= 2√2
Step-by-step explanation:
The 45-45-90 rule is very special but this question is really simple. You have all the angles and one side.
STEPS:
1) Take 45 from angle D and use its sine to find side EF
2) sin45= x/4 => 2.82 or 2√2
3) Take either cos45 from angle D or use Pythagoras since we now have enough side lengths to use Pythagoras (faster for me to use cosine).
4) cos45=x/4 => 2.82 or 2√2
Further explanation:
If you don't understand the sine and cosines, here's a word play to help.
S O/H
C A/H
T O/A
S=Sine
C=Cosine
T= Tangent
O= Opposite
H= Hypotenuse
A= Adjacent
If you search a video on this word play it will help more since it is visual.
Good luck.
