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Misha Larkins [42]
3 years ago
15

Rita owed her brother $15. After her birthday, she was able to pay him back and still have $45. How much money did Rita receive

for her birthday?
Mathematics
1 answer:
kipiarov [429]3 years ago
6 0

I’m stuck in the same one!!

Step-by-step explanation:

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<img src="https://tex.z-dn.net/?f=%5Cfrac%7B1-%28-5%29%7D%7B7-2%7D" id="TexFormula1" title="\frac{1-(-5)}{7-2}" alt="\frac{1-(-5
Eduardwww [97]

Answer:

2

Step-by-step explanation:

3 0
3 years ago
Write a word phrase that can be represented by b-6
Bess [88]
Six less than "b"
i think this would be the answer
good luck!!
7 0
2 years ago
Which of the following equations is represented by the graph?
Greeley [361]

Answer:

••••••••••••••••••••The answer is Y=2/3x

6 0
2 years ago
Read 2 more answers
Help please question in the picture
Delvig [45]

Answer:

A. 361 meters squared

Step-by-step explanation:

hope it helps:)

6 0
2 years ago
Read 2 more answers
A population of bacteria begins with 1500 bacteria and grows to 4500 in one hour.
dezoksy [38]

The function that represents the growth of this culture of bacteria as a function of time is; P = 1500e^(1.0986t)

<h3>How to calculate Exponential Growth?</h3>

The formula for exponential growth is;

P = P₀e^(rt)

where;

P = current population at time t

P₀ = starting population

r = rate of exponential growth/decay

t = time after start

Thus, from our question we have;

4500 = 1500 * e^(r * 1)

4500/1500 = e^r

e^r = 3

In 3 = r

r = 1.0986

Thus, the function that represents the growth of this culture of bacteria as a function of time is;

P = 1500e^(1.0986t)

For the culture to double, then;

P/P₀ = 2. Thus;

e^(1.0986t) = 2

In 2 = 1.0986t

t = 0.6931/1.0986

t = 0.631 hours

Read more about Exponential Growth at; brainly.com/question/27161222

#SPJ1

4 0
1 year ago
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