3 years ago

Stacy has 3 collector’s cards. She receives 2 more cards each week that she volunteers

Mathematics

2 answers:

hram777 [196]3 years ago

7 0

Answer:

y=2x+3

Step-by-step explanation:

Salsk061 [2.6K]3 years ago

5 0

Y=2x+3 or
y=3x+2

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Help 123456 please help please

uysha [10]

Number 3 is 7

Number 4 is 3

And number 6 is 9

Im sorry I dont know the rest.

I hope this helps.

4 0

3 years ago

Heellllllllllllllpppppp!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!

iogann1982 [59]

34.76

, nearly.

Explanation:

Angle of elevation = arc tan( (vertical height)/(length os the shadow)).

Here, this angle is

arc tan (12.5

18) =

34.78

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3 years ago

I think of a number and on adding 13 to it ,I get 40.Write the equation for it ?

Alekssandra [29.7K]

Answer:

x+13=40 and the answer to that is 27

6 0

3 years ago

Read 2 more answers

If you can explain your answer that’d be great!! Thank you!

Rasek [7]

Answer:

$A(t)=A_{0}e^{\frac{ln(\frac{1}{2})}{22}t}$

Step-by-step explanation:

This half life exponential decay equation goes by the formula:

$A(t)=A_{0}e^{kt}$

Where

$k=\frac{ln(\frac{1}{2})}{Half-Life}$

Since half life is given as 22, we plug that into "Half-Life" in the formula for k and then plug in the formula for k into the exponential decay formula:

So,

$k=\frac{ln(\frac{1}{2})}{Half-Life}\\k=\frac{ln(\frac{1}{2})}{22}$

Now

$A(t)=A_{0}e^{\frac{ln(\frac{1}{2})}{22}t}$

third choice is correct.

8 0

3 years ago

Give one verbal expression (VE) and its equivalent algebraic expression (AE).

emmasim [6.3K]

Answer:

A few examples:

VE: Three more than two times the temperature.

AE: 2x+3

VE: The money I have decreased by two thirds of the money you have.

AE: x - (2/3)y

VE: The number of friends I have increased by four times the amount of friends you have.

AE: x + 4y

Let me know if this helps!

7 0

3 years ago