Answer:
2 < 3 ⇒ -2 > -3
Step-by-step explanation:
∵ 2 < 3
If we divide each side by -1
∴ -2 < -3 but it's not true
∴ we must reverse the sign of inequality
∴ -2 > -3
similar:
∵ 25 > 20
If we divide each side by -5
∴ -5 > -4 it's not true
∴ we must reverse the sign of inequality
∴ -5 < -4
Answer:
x = 80
measure of exterior angle = 112°
Step-by-step explanation:
32 + x = 2x - 48 (because the measure of exterior angle is equal to the sum of the two interior angles)
32 + x = 2x - 48
32 = x - 48
x = 80
plug in,
2(80) - 48
160 - 48 = 112
Answer:
Step-by-step explanation:
<h3>Step 3:</h3>
--------------------(1)
<h3>The next step will be:</h3>
- to find the b² for the expression on the left.
<h3>How to find b²:</h3>
Take the expression
<u>We can also write it as:</u>
According to the formula 
, the b of this expression is 
. So,
b² will be:
So, we will add 
to both sides in Eq. (1)
For STEP 4, the equation will become:
![\rule[225]{225}{2}](https://tex.z-dn.net/?f=%5Crule%5B225%5D%7B225%7D%7B2%7D)
X = amount of lawns
y = amount of dog walks
25x + 15y = 1975
25x + 15(50) = 1975
25x + 750 = 1975
25x = 1225
x = 49
so x ≤ 49 (this number depends on how much Sarah walks)
y ≥ 50 (is how much Sarah walks)
hope this helps
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