The third one
x,y —>-x,-y
Because 2,-1–>-2,1
Since it is 12 dollars per hour, she would multiply the number of hours they were conoeing with the cost... $12. The answer is B... 12h
Sine (28) = opposite / hypotenuse =
0.46947 = opposite / 28
opposite = 0.46947 * 28
<span><span><span>opposite side = 13.14516
</span>
</span>
</span>
cosine (28) = adjacent / hypotenuse =
0.88295 = adjacent / 28
adjacent = 28 * .88295
<span><span><span>adjacent side = 24.7226
</span>
Double Check
</span>
</span>
<span>13.14516^2 + 24.7226^2 = 28^2
</span>
<span>
<span>
<span>
172.7952314256
</span>
</span>
</span>
+
<span>
<span>
<span>
611.20695076
</span>
</span>
</span>
= 784
<span>
<span>
<span>
784.0021821856
</span>
</span>
</span>
= 784
Correct to 5 significant figures
Expanded Notation Form:
7,000
+ 400
+ 20
+ 0
Expanded Factors Form:
7 × 1,000
+ 4 × 100
+ 2 × 10
+ 0 × 1
Expanded Exponential Form:
7 × 103
+ 4 × 102
+ 2 × 101
+ 0 × 100
Word Form:
seven thousand four hundred twenty
