<span>arctan(2x) = -1 radian
</span>⇒ 2x = tan(-1)
⇒ 2x = -1.5574
⇒ x = -1.5574/2
⇒ x = - 0.7787<span>
</span>
Step-by-step explanation:
sally needs 7 more Apples, but if Sally is doubling the recipe she will need 14 more Apples
You can round $10.95 to $11 so 11x8=88
Emma made about $88
<h3>
Answer: 19</h3>
==========================================
Explanation:
The steps you have so far are correct. You just need to multiply both sides by -3
Doing so will clear out the fractions and you'll be left with 19 = x, which is the same as x = 19
Let's check that answer:

So the answer is confirmed.
Answer:
603.185789 m2
Step-by-step explanation:
603.185789 m2 or 192 π m2
formula is
:
3 x pi x 8^2 = 603.185789489