Answer:
27.9 (rounded, actual answer 27.909090, repeating)
3.7 (rounded, actual answer 3.70174672489)
6.7 (rounded, actual answer 6.67408231368)
Step-by-step explanation:
Divide
Answer:
-3
Step-by-step explanation:
This corresponds to a sinusoidal graph, we have:
Radius= 20 feet, that corresponds to the amplitud (A)
One revolution takes 24 seconds, that corresponds to the period
Min= 3 feet
k=360/24=15
D= bottom distance+ amplitud=3+20=23 feet

Then, let x be the time, in seconds:

a) To determine Reid's height after 1 minute= 60 seconds, substitute x=60

b) To determine when Reid's height will first reach 18 feet, we have to substitute y=18 feet, and isolate x:
Answer:
Step 3 is wrong and the answer should be 576
Step-by-step explanation:
Step 1 and step 2 are correct
Step 2: 4 × 12^2
You don't multiply 12 by 4, you first complete the exponent since, in PEMDAS, Exponent is before Multiplying.
Step 3 should be: 4 × (12×12)
= 4 × 144
= 576
Answer:
29: 7
Step-by-step explanation:

<em>Cross</em><em> </em><em>multiply</em><em>:</em>

<em>Expand</em><em> </em><em>bracket</em><em>:</em>

<em>Bring</em><em> </em><em>x</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>1</em><em> </em><em>side</em><em>,</em><em> </em><em>y</em><em> </em><em>terms</em><em> </em><em>to</em><em> </em><em>the</em><em> </em><em>other</em><em>:</em>

<em>Simplify</em><em>:</em>
<em>
</em>
<em>Divide</em><em> </em><em>by</em><em> </em><em>7</em><em> </em><em>on</em><em> </em><em>both</em><em> </em><em>sides</em><em>:</em>

<em>Divide</em><em> </em><em>both</em><em> </em><em>sides</em><em> </em><em>by</em><em> </em><em>y</em><em>:</em>
<em>
</em>
∴ The ratio of x to y is 29:7.