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DedPeter [7]
3 years ago
14

What is the rule (0,0),(1,4),(2,16),(3,36),(4,64)

Mathematics
2 answers:
Artist 52 [7]3 years ago
8 0
X increases by 1 each time. And y takes the value of x times 2 then squared.  Written as an equation y = 2x^2.
Galina-37 [17]3 years ago
7 0
The rule is: x + 1, and y + 4.
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The period T in seconds of a simple pendulum of length L in feet is given by T=2π√L/32. Determine the length in feet of a simple
ASHA 777 [7]
 In this situation, you have to use the equation
T = 2π√L / 32
 We need to find L so we have:
 T / 2π = √L / 32
 (T / 2π) ^ 2 = L / 32
 L = 32 * (T / 2π) ^ 2

 Substitute the values:
 L = 32 * (8.72 / (2 * (3.14))) ^ 2
 L = 61.69694511 feet
 L = 62 feet
 So the Answer is
 L = 62 feet

5 0
3 years ago
Read 2 more answers
Number 14 please thanks
katrin [286]
Your problem is:
$35.00 is what percentage of $437.50?

If you are given a part and the whole, and you want to know what percent the part is of the whole, divide the part by the whole and multiply by 100.

In this case, the whole is $437.50.
The part is $35.00.

35/437.5 * 100 = 8%

3 0
3 years ago
What are the coordinates of point A?
beks73 [17]

Answer:

(7,-5)

Step-by-step explanation:

you run 7 and go down 5

7 0
3 years ago
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A thermometer is taken from an inside room to the outside, where the air temperature is 20° f. after 1 minute the thermometer re
fomenos

The change in the temperature is proportional to the difference in temperatures. Let's call the initial temperature of the room and the thermometer E_0 and the current temperature E(t) where t is the elapsed time in minutes.  The outside temperature is 20 F.

Newton's Law of Cooling:

E(t) - 20 = (E_0 - 20) e^{- k t}

We're given E(1)=70 \textrm{ and } E(5)=45

70-20 = (E_0 - 20) e^{-k}

45-20 =(E_0 - 20) e^{-5k}

Dividing,

\dfrac{50}{25}=e^{4k}

k = \dfrac 1 4 \ln 2

Now,

E(t) - 20 = (E_0 - 20) e^{- k t}

E_0 = 20 + (E(t) - 20)e^{k t}

E_0 = 20 + (E(1) - 20)e^{k}

E_0 = 20 + (70 - 20)e^{\ln 2/4}

E_0 = 20 + 50 \cdot 2^{1/4} \approx 79.46 \textrm{ degrees F}


3 0
4 years ago
alex sells cars at keith palmer ford. he earns $400 a week plus $150 percar he sells. if he earned $150 last week , how many car
Igoryamba

Alex would have sold one car

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3 years ago
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