3 years ago

Which is equivalent to the expression below? 3p+4+p+12+3q

Mathematics

1 answer:

slega [8]3 years ago

3 0

3p+16+p+3q

because 12+4=16

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A solid object is dropped into a pond with a temperature of 20 degrees Celsius. The function f(t)=Ce(−kt)+20 represents the situ

LenaWriter [7]

Answer:

The initial temperature of the object was 37.6 degrees Celsius

The initial temperature of the object was 37.6 (without units)

Step-by-step explanation:

we have

$f(t)=Ce^{(-kt)} +20$

where

f(t) represent the temperature of the object in degree Celsius

t is the time in minutes

<em>Find the value of the constant C</em>

we have the ordered pair (4,35)

substitute in the equation and solve for C

$35=Ce^{(-0.0399*4)} +20$

$Ce^{(-0.0399*4)}=15$

$C=15/e^{(-0.0399*4)}$

$C=17.6$

Find the initial value of the object

we know that

The initial temperature is the value of f(t) when the value of t is equal to zero

For t=0

$f(0)=(17.6)e^{(-k*0)} +20$

$f(0)=17.6 +20$

$f(0)=37.6\ degrees\ Celsius$

therefore

The initial temperature of the object was 37.6 degrees Celsius

The initial temperature of the object was 37.6 (without units)

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3 years ago

What is the y-intercept of the graph of y = 4^x-2?

mixas84 [53]

Answer: Hope this helps you.

-2

Step-by-step explanation:

y = mx+b (B is y-int)

y = 4^x-2

-2 is clearly replacing the b (y-int) meaning b, the y-int, is -2

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Find the area of each figure. Use 3.14 for x.

Serga [27]

8.10/2 + 2.3 = 46 total area is 46

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The surface area of 10ft 7ft 10ft

Arlecino [84]

What are the answer choices..?

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Pls solve this besties 5^-2

geniusboy [140]

Answer:

0.04

Step-by-step explanation:

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