3 years ago

7. Solve 3(a+3)-6=21. Write a reason for each step.

1 answer:

4 0

Answer:

j i a few u can call you in bright mode of switch ij you can see it on GoDaddy to u all happy with it and k bol raha h ki jay ram ram ram

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If 60% of the students in your class like Burger King, how many students are in your class if 15 students like Burger King?

zloy xaker [14]

Answer:

Step-by-step explanation:

Let x be the number of students in the class

15 is 60% of x

60% of x can be written as 0.6x

15 = 0.6x

Divide by 0.6 on both sides

25 = x

There are 25 students in the class

Hope this helps :)

8 0

2 years ago

Please me answer this question

Alex73 [517]

Answer:

x=11, y=13

Step-by-step explanation:

3x-2y=7

3x-2(x+2)=7 . - x + = - -2*+2=-4

3x-2x-4=7

1x-4=7

x=7+4

x=11

y=x+2

y=11+2

y=13

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2 years ago

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Elisa bought 5 bracelets for a total of $25.95. If the bracelets were the same cost, about how much did each bracelet cost?

Ad libitum [116K]

Answer:

$5.19

Step-by-step explanation:

All you do is divide $25.95 BY 5

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3 years ago

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What is the inverse of the function below?<br> f(x) = 3^x

lilavasa [31]

Answer:

log ^3 (x)

Step-by-step explanation:

See the image below:)

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3 years ago

Ginny is studying a population of frogs. She determines that the population is decreasing at an average rate of 3% per year. Whe

svp [43]

Answer:

Step-by-step explanation:

This is exponential, of the form

$y=a(b)^x$ where a is the initial amount and b is the growth/decay rate. If Ginny begins the study with 1200 frogs in the population, our a value is 1200.

If the population is decreasing 3% per year, it is decreasing 100% - 3% = 97% which, as a decimal, is .97. Our exponential function, then, is

$y=1200(.97)^x$

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2 years ago